From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 06:40:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 06:40:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1rje-0000HH-Q0; Tue, 01 Jul 2014 06:40:10 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1rjd-0000HC-Bi for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 06:40:09 +0000 Received: from [85.158.143.35:46068] by server-3.bemta-4.messagelabs.com id A7/27-16194-8C752B35; Tue, 01 Jul 2014 06:40:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-21.messagelabs.com!1404196804!14959625!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26373 invoked from network); 1 Jul 2014 06:40:04 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-21.messagelabs.com with SMTP; 1 Jul 2014 06:40:04 -0000 Received: (qmail 24207 invoked by uid 634); 1 Jul 2014 06:40:04 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 07:40:00 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <87k37ymd6r.fsf@gmail.com> Date: Tue, 1 Jul 2014 09:39:42 +0300 Message-Id: References: <87zjgumhg7.fsf@gmail.com> <87k37ymd6r.fsf@gmail.com> To: Malcolm Matalka X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Small typo in hello-world doc X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org There is definitely a slight inconsistency around the way we give inputs to the `mirage` tool though: - a builtin mechanism of selecting the OS backend (--xen, --unix) - the config.ml script can detect environment variables depending on the app (FS, DHCP, NET) I did play with extending the cmdliner parsing to include application-specific things (such as --dhcp instead of setting the environment variable DHCP=1), but decided it wasn't worth the trouble until we have a few more bigger applications. -anil On 30 Jun 2014, at 22:04, Malcolm Matalka wrote: > Whoops, brain fart. You're completely right. My brain was just working > the wrong way today. > > Ignore me! > > Jyotsna Prakash writes: > >> Hi Malcolm, >> >> According to the manpage for env this syntax should be correct. It seems >> env only sets the environment variable temporarily--so mirage configure >> will not have FS set and will default to crunch in the newline case. >> >> However I believe that you can do >> >> $ export FS=fat >> $ mirage configure >> >> to get the same results. >> - Jyotsna >> >> >> On Mon, Jun 30, 2014 at 10:32 AM, Malcolm Matalka >> wrote: >> >>> Hey, just noticed what I believe to me a tiny typo in the hello-world >>> doc. >>> >>> http://openmirage.org/wiki/hello-world >>> >>> Search for: >>> >>> env FS=fat mirage configure >>> >>> I believe there is a missing new line between 'fat' and 'mirage'. >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >>> > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 06:40:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 06:40:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1rje-0000HH-Q0; Tue, 01 Jul 2014 06:40:10 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1rjd-0000HC-Bi for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 06:40:09 +0000 Received: from [85.158.143.35:46068] by server-3.bemta-4.messagelabs.com id A7/27-16194-8C752B35; Tue, 01 Jul 2014 06:40:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-21.messagelabs.com!1404196804!14959625!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26373 invoked from network); 1 Jul 2014 06:40:04 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-21.messagelabs.com with SMTP; 1 Jul 2014 06:40:04 -0000 Received: (qmail 24207 invoked by uid 634); 1 Jul 2014 06:40:04 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 07:40:00 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <87k37ymd6r.fsf@gmail.com> Date: Tue, 1 Jul 2014 09:39:42 +0300 Message-Id: References: <87zjgumhg7.fsf@gmail.com> <87k37ymd6r.fsf@gmail.com> To: Malcolm Matalka X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Small typo in hello-world doc X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org There is definitely a slight inconsistency around the way we give inputs to the `mirage` tool though: - a builtin mechanism of selecting the OS backend (--xen, --unix) - the config.ml script can detect environment variables depending on the app (FS, DHCP, NET) I did play with extending the cmdliner parsing to include application-specific things (such as --dhcp instead of setting the environment variable DHCP=1), but decided it wasn't worth the trouble until we have a few more bigger applications. -anil On 30 Jun 2014, at 22:04, Malcolm Matalka wrote: > Whoops, brain fart. You're completely right. My brain was just working > the wrong way today. > > Ignore me! > > Jyotsna Prakash writes: > >> Hi Malcolm, >> >> According to the manpage for env this syntax should be correct. It seems >> env only sets the environment variable temporarily--so mirage configure >> will not have FS set and will default to crunch in the newline case. >> >> However I believe that you can do >> >> $ export FS=fat >> $ mirage configure >> >> to get the same results. >> - Jyotsna >> >> >> On Mon, Jun 30, 2014 at 10:32 AM, Malcolm Matalka >> wrote: >> >>> Hey, just noticed what I believe to me a tiny typo in the hello-world >>> doc. >>> >>> http://openmirage.org/wiki/hello-world >>> >>> Search for: >>> >>> env FS=fat mirage configure >>> >>> I believe there is a missing new line between 'fat' and 'mirage'. >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >>> > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 07:02:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 07:02:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1s5Z-0003Qs-Ky; Tue, 01 Jul 2014 07:02:49 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1s5Y-0003Qh-1R for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 07:02:48 +0000 Received: from [193.109.254.147:64106] by server-7.bemta-14.messagelabs.com id 67/ED-17726-71D52B35; Tue, 01 Jul 2014 07:02:47 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-27.messagelabs.com!1404198166!14664940!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12258 invoked from network); 1 Jul 2014 07:02:46 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-27.messagelabs.com with SMTP; 1 Jul 2014 07:02:46 -0000 Received: (qmail 7306 invoked by uid 634); 1 Jul 2014 07:02:46 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4467727.home.otenet.gr (HELO [10.100.22.69]) (94.71.107.255) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 08:02:45 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 10:02:20 +0300 Message-Id: <29B7D10F-6B2B-498E-ACDB-799D9CBA8F60@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Jon Ludlam , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios and stub_hypervisor_suspend X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 Jun 2014, at 17:55, Thomas Leonard wrote: > I've started tidying up my arm-preview branch of mirage-platform. The > only obvious thing missing in the new version is > stub_hypervisor_suspend, which tries to call the missing > arch_rebuild_p2m. Is this a Mirage-only thing? CCing Jon Ludlam and Dave Scott; they added this particular code into our fork. commit b8aff537f66dcb04e958d889eba529f16ec536bf Author: David Scott Date: Fri Oct 4 15:31:09 2013 +0100 xen: re-enable event delivery on resume The resume codepath is quite similar to the start codepath. commit f8d2bf8fa02cf8aaaddbc0b109125a25bac3178b Author: Jon Ludlam Date: Thu Sep 27 16:17:47 2012 +0100 Fix suspend/resume such that it doesn't spin after resuming. Turns out the event channels were masked. commit 55d7f0acaa92ffb8a36b9528db4df63ed8dd87c3 Author: Jon Ludlam Date: Wed Sep 12 14:50:55 2012 +0100 Add the C level pieces needed for suspend/resume It's best to retire this from the Mirage-specific fork and move to a more canonical MiniOS solution, unless there are objections from Dave or Jon. > > Apart from that, stub_gnttab_init and stub_gnttab_fini both now do > nothing, as Mini-OS deals with mapping the grant tables. I've left > them in for now - hopefully they're not needed at other times. > > The new-minios branch has the changes so far to upgrade to using the > new libminios (without ARM support): > > https://github.com/talex5/mirage-platform/commits/new-minios > > Github won't display the diff because it's too big: > > 779 files changed, 1395 insertions(+), 59697 deletions(-) > > However, if you ignore deletions and renaming there aren't many changes. > > The ARM changes build on this in the arm-preview branch. Both branches > need more cleanups - this is just a preview. cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 07:02:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 07:02:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1s5Z-0003Qs-Ky; Tue, 01 Jul 2014 07:02:49 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1s5Y-0003Qh-1R for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 07:02:48 +0000 Received: from [193.109.254.147:64106] by server-7.bemta-14.messagelabs.com id 67/ED-17726-71D52B35; Tue, 01 Jul 2014 07:02:47 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-27.messagelabs.com!1404198166!14664940!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12258 invoked from network); 1 Jul 2014 07:02:46 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-27.messagelabs.com with SMTP; 1 Jul 2014 07:02:46 -0000 Received: (qmail 7306 invoked by uid 634); 1 Jul 2014 07:02:46 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4467727.home.otenet.gr (HELO [10.100.22.69]) (94.71.107.255) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 08:02:45 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 10:02:20 +0300 Message-Id: <29B7D10F-6B2B-498E-ACDB-799D9CBA8F60@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Jon Ludlam , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios and stub_hypervisor_suspend X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 Jun 2014, at 17:55, Thomas Leonard wrote: > I've started tidying up my arm-preview branch of mirage-platform. The > only obvious thing missing in the new version is > stub_hypervisor_suspend, which tries to call the missing > arch_rebuild_p2m. Is this a Mirage-only thing? CCing Jon Ludlam and Dave Scott; they added this particular code into our fork. commit b8aff537f66dcb04e958d889eba529f16ec536bf Author: David Scott Date: Fri Oct 4 15:31:09 2013 +0100 xen: re-enable event delivery on resume The resume codepath is quite similar to the start codepath. commit f8d2bf8fa02cf8aaaddbc0b109125a25bac3178b Author: Jon Ludlam Date: Thu Sep 27 16:17:47 2012 +0100 Fix suspend/resume such that it doesn't spin after resuming. Turns out the event channels were masked. commit 55d7f0acaa92ffb8a36b9528db4df63ed8dd87c3 Author: Jon Ludlam Date: Wed Sep 12 14:50:55 2012 +0100 Add the C level pieces needed for suspend/resume It's best to retire this from the Mirage-specific fork and move to a more canonical MiniOS solution, unless there are objections from Dave or Jon. > > Apart from that, stub_gnttab_init and stub_gnttab_fini both now do > nothing, as Mini-OS deals with mapping the grant tables. I've left > them in for now - hopefully they're not needed at other times. > > The new-minios branch has the changes so far to upgrade to using the > new libminios (without ARM support): > > https://github.com/talex5/mirage-platform/commits/new-minios > > Github won't display the diff because it's too big: > > 779 files changed, 1395 insertions(+), 59697 deletions(-) > > However, if you ignore deletions and renaming there aren't many changes. > > The ARM changes build on this in the arm-preview branch. Both branches > need more cleanups - this is just a preview. cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 08:15:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 08:15:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tDU-0008Lv-Dm; Tue, 01 Jul 2014 08:15:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tDR-0008LW-05 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 08:15:01 +0000 Received: from [193.109.254.147:19265] by server-1.bemta-14.messagelabs.com id DE/86-14887-40E62B35; Tue, 01 Jul 2014 08:15:00 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1404202499!9305921!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4669 invoked from network); 1 Jul 2014 08:14:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 1 Jul 2014 08:14:59 -0000 Received: (qmail 11100 invoked by uid 634); 1 Jul 2014 08:14:59 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 09:14:54 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <87fvimpzpf.fsf@gmail.com> Date: Tue, 1 Jul 2014 11:14:38 +0300 Message-Id: References: <87fvimpzpf.fsf@gmail.com> To: Malcolm Matalka X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Whole Program Optimization in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 Jun 2014, at 11:29, Malcolm Matalka wrote: > I've seen it mentioned a few times that Mirage does WPO. Is there > documentation on what exactly this means? I am under the impression > that the ocaml compiler does not do whole program optimisation. > I tend not to call it WPO when speaking, but 'whole OS optimisation' instead (although slips of the tongue have no doubt happened). There are a few different forms this optimisation could take in Mirage: - cross-module inlining: as Goswin points out, the compiler already does this optimisation and it's helpful that a lot of configuration code is also just OCaml code, thus allowing the compiler to propagate constants into library code. We haven't done a comprehensive analysis of the effectiveness of this for larger applications (e.g. mirage-www). Pierre Chambart has an -flambda branch that is aimed at OCaml 4.03 which significantly improves the amount of inlining the compiler does. Mirage should be an excellent way of stress-testing it and also looking at detailed CMM dumps to check that the optimisation is effective. - staged programming: the Mirage tool evaluates a config.ml, and outputs an OCaml main.ml which performs the functor applications into a concrete module. This gives the compiler more static knowledge than if we used first-class modules. Again, we don't have much defunctorisation in the compiler right now, but Pierre's -flambda branch will help a lot (no pressure, Pierre :-) - data representation: the gold standard for WPO is MLTon's transformations on the representation layout of data structures by monomorphising all types, eliminating separate compilation and doing optimizations on the resulting graphs. Thomas and I experimented with this approach with a poor man's WPO in OCaml -- do a source transform by concatenating the entire unikernel source into a single ML file, and compile that. We never extended it to actually change memory layout of values, so that's still an open (and interesting) problem to anyone interested. We've considered exposing the compile-time representation of every type as a Ctypes GADT, as a first step in this direction. - Syntax transformations: something that doesn't really count as WPO -- but is still applied across all modules -- are camlp4 extensions that do local transformations on the AST. The main two used are cstruct and lwt in Mirage libraries. A combination of a macro system and staged programming in OCaml would make it much easier to evaluate static knowledge at build-time (particularly for configuration directives). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 08:15:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 08:15:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tDU-0008Lv-Dm; Tue, 01 Jul 2014 08:15:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tDR-0008LW-05 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 08:15:01 +0000 Received: from [193.109.254.147:19265] by server-1.bemta-14.messagelabs.com id DE/86-14887-40E62B35; Tue, 01 Jul 2014 08:15:00 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1404202499!9305921!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4669 invoked from network); 1 Jul 2014 08:14:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 1 Jul 2014 08:14:59 -0000 Received: (qmail 11100 invoked by uid 634); 1 Jul 2014 08:14:59 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 09:14:54 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <87fvimpzpf.fsf@gmail.com> Date: Tue, 1 Jul 2014 11:14:38 +0300 Message-Id: References: <87fvimpzpf.fsf@gmail.com> To: Malcolm Matalka X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Whole Program Optimization in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 Jun 2014, at 11:29, Malcolm Matalka wrote: > I've seen it mentioned a few times that Mirage does WPO. Is there > documentation on what exactly this means? I am under the impression > that the ocaml compiler does not do whole program optimisation. > I tend not to call it WPO when speaking, but 'whole OS optimisation' instead (although slips of the tongue have no doubt happened). There are a few different forms this optimisation could take in Mirage: - cross-module inlining: as Goswin points out, the compiler already does this optimisation and it's helpful that a lot of configuration code is also just OCaml code, thus allowing the compiler to propagate constants into library code. We haven't done a comprehensive analysis of the effectiveness of this for larger applications (e.g. mirage-www). Pierre Chambart has an -flambda branch that is aimed at OCaml 4.03 which significantly improves the amount of inlining the compiler does. Mirage should be an excellent way of stress-testing it and also looking at detailed CMM dumps to check that the optimisation is effective. - staged programming: the Mirage tool evaluates a config.ml, and outputs an OCaml main.ml which performs the functor applications into a concrete module. This gives the compiler more static knowledge than if we used first-class modules. Again, we don't have much defunctorisation in the compiler right now, but Pierre's -flambda branch will help a lot (no pressure, Pierre :-) - data representation: the gold standard for WPO is MLTon's transformations on the representation layout of data structures by monomorphising all types, eliminating separate compilation and doing optimizations on the resulting graphs. Thomas and I experimented with this approach with a poor man's WPO in OCaml -- do a source transform by concatenating the entire unikernel source into a single ML file, and compile that. We never extended it to actually change memory layout of values, so that's still an open (and interesting) problem to anyone interested. We've considered exposing the compile-time representation of every type as a Ctypes GADT, as a first step in this direction. - Syntax transformations: something that doesn't really count as WPO -- but is still applied across all modules -- are camlp4 extensions that do local transformations on the AST. The main two used are cstruct and lwt in Mirage libraries. A combination of a macro system and staged programming in OCaml would make it much easier to evaluate static knowledge at build-time (particularly for configuration directives). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 08:21:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 08:21:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tJF-0000Hg-1n; Tue, 01 Jul 2014 08:21:01 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tJD-0000Hb-3m for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 08:20:59 +0000 Received: from [193.109.254.147:7616] by server-1.bemta-14.messagelabs.com id F1/C0-14887-A6F62B35; Tue, 01 Jul 2014 08:20:58 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1404202857!9308030!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28766 invoked from network); 1 Jul 2014 08:20:57 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 1 Jul 2014 08:20:57 -0000 Received: (qmail 16105 invoked by uid 634); 1 Jul 2014 08:20:57 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 09:20:56 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 11:20:52 +0300 Message-Id: <0560DAA5-5713-49D1-8973-531F3833B855@recoil.org> References: <87fvimpzpf.fsf@gmail.com> To: Malcolm Matalka X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Whole Program Optimization in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 11:14, Anil Madhavapeddy wrote: > - staged programming: the Mirage tool evaluates a config.ml, and outputs > an OCaml main.ml which performs the functor applications into a concrete > module. This gives the compiler more static knowledge than if we used > first-class modules. Again, we don't have much defunctorisation in the > compiler right now, but Pierre's -flambda branch will help a lot (no > pressure, Pierre :-) As an aside, we submitted a talk proposal to the ML workshop that just got accepted, and I noticed this misinterpretation of the config.ml combinators from one of the anonymous reviewers: Reviewer #2 wrote: > MirageOS is a very interesting project and it is nice to see an example of ML module system features being put to use. At the same time, the need for a customized configuration language with new functor combinators suggests that the authors ran into limitations in the expressiveness of the OCaml module system. Taken together, these points suggest this work should lead to interesting discussions. Our extended abstract was written in the early hours of the morning and was no doubt slightly incoherent, but we should definitely emphasise that the functor combinators are in fact just normal OCaml functions, with the resulting values being GADTs that output code that is guaranteed (due to the GADT witnesses) to not result in a type error. This is something that will eventually disappear behind a MetaCaml-like model, instead of concrete source code being output between stages... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 08:21:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 08:21:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tJF-0000Hg-1n; Tue, 01 Jul 2014 08:21:01 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1tJD-0000Hb-3m for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 08:20:59 +0000 Received: from [193.109.254.147:7616] by server-1.bemta-14.messagelabs.com id F1/C0-14887-A6F62B35; Tue, 01 Jul 2014 08:20:58 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1404202857!9308030!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28766 invoked from network); 1 Jul 2014 08:20:57 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 1 Jul 2014 08:20:57 -0000 Received: (qmail 16105 invoked by uid 634); 1 Jul 2014 08:20:57 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 09:20:56 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 11:20:52 +0300 Message-Id: <0560DAA5-5713-49D1-8973-531F3833B855@recoil.org> References: <87fvimpzpf.fsf@gmail.com> To: Malcolm Matalka X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Whole Program Optimization in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 11:14, Anil Madhavapeddy wrote: > - staged programming: the Mirage tool evaluates a config.ml, and outputs > an OCaml main.ml which performs the functor applications into a concrete > module. This gives the compiler more static knowledge than if we used > first-class modules. Again, we don't have much defunctorisation in the > compiler right now, but Pierre's -flambda branch will help a lot (no > pressure, Pierre :-) As an aside, we submitted a talk proposal to the ML workshop that just got accepted, and I noticed this misinterpretation of the config.ml combinators from one of the anonymous reviewers: Reviewer #2 wrote: > MirageOS is a very interesting project and it is nice to see an example of ML module system features being put to use. At the same time, the need for a customized configuration language with new functor combinators suggests that the authors ran into limitations in the expressiveness of the OCaml module system. Taken together, these points suggest this work should lead to interesting discussions. Our extended abstract was written in the early hours of the morning and was no doubt slightly incoherent, but we should definitely emphasise that the functor combinators are in fact just normal OCaml functions, with the resulting values being GADTs that output code that is guaranteed (due to the GADT witnesses) to not result in a type error. This is something that will eventually disappear behind a MetaCaml-like model, instead of concrete source code being output between stages... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 09:33:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 09:33:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1uRe-0005XS-VA; Tue, 01 Jul 2014 09:33:46 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1uRd-0005XG-9q for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 09:33:45 +0000 Received: from [85.158.143.35:23049] by server-2.bemta-4.messagelabs.com id 05/3C-06539-87082B35; Tue, 01 Jul 2014 09:33:44 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-21.messagelabs.com!1404207223!14967953!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32450 invoked from network); 1 Jul 2014 09:33:43 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-21.messagelabs.com with SMTP; 1 Jul 2014 09:33:43 -0000 Received: (qmail 16272 invoked by uid 634); 1 Jul 2014 09:33:42 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4467727.home.otenet.gr (HELO [10.100.22.69]) (94.71.107.255) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 10:33:41 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 12:33:39 +0300 Message-Id: <354BA218-E4A0-4AD6-8B33-CFCEA87CADA3@recoil.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> To: David Sheets X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 27 Jun 2014, at 16:38, David Sheets wrote: > On Tue, Jun 24, 2014 at 4:00 PM, Anil Madhavapeddy wrote: >> Thanks to Balraj for assembling this. Are we missing any? Please reply to this thread with corrections and we can assemble: > > profuse depends on ocaml-unix-errno, ocaml-unix-dirent, > ocaml-unix-sys-stat, ocaml-unix-unistd, and ocaml-unix-fcntl for > host-specific libc macro codecs. They will soon undergo fairly major > refactoring to make them cleaner and more Mirage-friendly. Neither > they nor profuse has been released but will likely be cut later this > summer. I don't know if you count these libraries as Mirage libraries > but they do offer a way to achieve compatibility with UNIX-like > systems that expect client and server to share a common set of CPP > macro definitions. Do as you will. I think those definitely count as Mirage libraries, but I was hesitant to include them until the interfaces had settled down. If you're reasonably confident that the repositories will continue to exist in the eventual summer release, I'm happy to include them as essential abstractions between Unix and unikernels. -anil > > David > >> Core OS / Build Framework >> ------------------------- >> mirage/mirage - Command-line frontend >> mirage/mirage-platform - Core framework and runtime >> mirage/mirage-clock - clock for Unix and Xen >> mirage/mirage-types - type signatures for all Mirage modules >> ocaml/opam - package manager library >> ocaml/opamfu - functions over package sets >> samoht/ocaml-tools - tools to manage project configuration >> >> Persistence >> ----------- >> >> mirage/irmin - Distributed database with Git-like properties >> samoht/ocaml-git - OCaml low level git bindings >> mirage/ocaml-lazy-trie - Lazy trie data structure >> samoht/ocaml-bloom-filter - Bloom filters in OCaml >> mirage/orm - ORM-style relational mapper >> samoht/mqueue - Distributed, persistent queues >> >> >> Filesystems and Block Storage >> ------------- >> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >> mirage/ocaml-fat - FAT format file system >> mirage/xen-disk - Example userspace blkback in >> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >> mirage/mirage-fs-unix - Unix filesystem passthrough >> dsheets/profuse - FUSE protocol implementation >> >> Network Stack >> ------------- >> mirage/mirage-tcpip - OCaml TCP/IP stack >> mirage/mirage-net-xen - Xen Netfront ethernet device driver >> mirage/mirage-net-unix - Ethernet interface using tuntap >> mirage/ocaml-tuntap - bindings to UNIX tuntap >> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >> mirage/ocaml-conduit - Establish connections via multiple mechanisms >> mirage/ocaml-dns - DNS protocol >> >> Security >> -------- >> >> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >> mirleft/ocaml-nocrypto - libc-free crypto implementations >> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >> dsheets/ocaml-sodium - bindings to NaCL crypto >> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >> >> Foreign Language Interface >> -------------------------- >> >> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >> samoht/mstruct - mutable cstruct interface >> ocamllabs/ocaml-ctypes - >> >> Xen support >> ----------- >> >> mirage/shared-memory-ring - Xen style shared memory ring >> mirage/io-page - IO memory page library >> mirage/ocaml-xenstore - Client, server and Xenstore protocol >> djs55/ocaml-xenstore-clients - >> mirage/mirage-block-xen - Xen blkfront driver for Mirage >> mirage/ocaml-vchan - Inter-VM shared memory communication >> >> HTTP Utilities >> ------------- >> mirage/ocaml-cohttp - Light weight HTTP server >> mirage/cowabloga - Zurb Foundation templates for blog/wiki >> mirage/ocaml-uri - URI and URL handling >> mirage/mirage-http - Mirage HTTP client and server >> mirage/ocaml-cow - Caml on the Web >> ocaml/omd - Markdown implementation in OCaml >> >> Misc Utilities >> -------------- >> mirage/mirage-console - Portable application console >> mirage/ocaml-pcap - Capture and analyse pcap files >> avsm/ocaml-github - GitHub API bindings >> mirage/dyntype - Dynamic types for OCaml >> >> >> Reference Applications >> ---------------------- >> mirage/mirage-www - complete openmirage.org site and server >> mirage/mirage-decks - Presentations written using Mirage about Mirage >> mirage/mirage-skeleton - Build skeleton, tests and examples >> >> Docker and Vagrant >> ------------------ >> >> mirage/mirage-vagrant-vms - Build Vagrant images >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 09:33:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 09:33:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1uRe-0005XS-VA; Tue, 01 Jul 2014 09:33:46 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1uRd-0005XG-9q for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 09:33:45 +0000 Received: from [85.158.143.35:23049] by server-2.bemta-4.messagelabs.com id 05/3C-06539-87082B35; Tue, 01 Jul 2014 09:33:44 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-21.messagelabs.com!1404207223!14967953!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32450 invoked from network); 1 Jul 2014 09:33:43 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-21.messagelabs.com with SMTP; 1 Jul 2014 09:33:43 -0000 Received: (qmail 16272 invoked by uid 634); 1 Jul 2014 09:33:42 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4467727.home.otenet.gr (HELO [10.100.22.69]) (94.71.107.255) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 10:33:41 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 12:33:39 +0300 Message-Id: <354BA218-E4A0-4AD6-8B33-CFCEA87CADA3@recoil.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> To: David Sheets X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 27 Jun 2014, at 16:38, David Sheets wrote: > On Tue, Jun 24, 2014 at 4:00 PM, Anil Madhavapeddy wrote: >> Thanks to Balraj for assembling this. Are we missing any? Please reply to this thread with corrections and we can assemble: > > profuse depends on ocaml-unix-errno, ocaml-unix-dirent, > ocaml-unix-sys-stat, ocaml-unix-unistd, and ocaml-unix-fcntl for > host-specific libc macro codecs. They will soon undergo fairly major > refactoring to make them cleaner and more Mirage-friendly. Neither > they nor profuse has been released but will likely be cut later this > summer. I don't know if you count these libraries as Mirage libraries > but they do offer a way to achieve compatibility with UNIX-like > systems that expect client and server to share a common set of CPP > macro definitions. Do as you will. I think those definitely count as Mirage libraries, but I was hesitant to include them until the interfaces had settled down. If you're reasonably confident that the repositories will continue to exist in the eventual summer release, I'm happy to include them as essential abstractions between Unix and unikernels. -anil > > David > >> Core OS / Build Framework >> ------------------------- >> mirage/mirage - Command-line frontend >> mirage/mirage-platform - Core framework and runtime >> mirage/mirage-clock - clock for Unix and Xen >> mirage/mirage-types - type signatures for all Mirage modules >> ocaml/opam - package manager library >> ocaml/opamfu - functions over package sets >> samoht/ocaml-tools - tools to manage project configuration >> >> Persistence >> ----------- >> >> mirage/irmin - Distributed database with Git-like properties >> samoht/ocaml-git - OCaml low level git bindings >> mirage/ocaml-lazy-trie - Lazy trie data structure >> samoht/ocaml-bloom-filter - Bloom filters in OCaml >> mirage/orm - ORM-style relational mapper >> samoht/mqueue - Distributed, persistent queues >> >> >> Filesystems and Block Storage >> ------------- >> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >> mirage/ocaml-fat - FAT format file system >> mirage/xen-disk - Example userspace blkback in >> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >> mirage/mirage-fs-unix - Unix filesystem passthrough >> dsheets/profuse - FUSE protocol implementation >> >> Network Stack >> ------------- >> mirage/mirage-tcpip - OCaml TCP/IP stack >> mirage/mirage-net-xen - Xen Netfront ethernet device driver >> mirage/mirage-net-unix - Ethernet interface using tuntap >> mirage/ocaml-tuntap - bindings to UNIX tuntap >> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >> mirage/ocaml-conduit - Establish connections via multiple mechanisms >> mirage/ocaml-dns - DNS protocol >> >> Security >> -------- >> >> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >> mirleft/ocaml-nocrypto - libc-free crypto implementations >> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >> dsheets/ocaml-sodium - bindings to NaCL crypto >> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >> >> Foreign Language Interface >> -------------------------- >> >> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >> samoht/mstruct - mutable cstruct interface >> ocamllabs/ocaml-ctypes - >> >> Xen support >> ----------- >> >> mirage/shared-memory-ring - Xen style shared memory ring >> mirage/io-page - IO memory page library >> mirage/ocaml-xenstore - Client, server and Xenstore protocol >> djs55/ocaml-xenstore-clients - >> mirage/mirage-block-xen - Xen blkfront driver for Mirage >> mirage/ocaml-vchan - Inter-VM shared memory communication >> >> HTTP Utilities >> ------------- >> mirage/ocaml-cohttp - Light weight HTTP server >> mirage/cowabloga - Zurb Foundation templates for blog/wiki >> mirage/ocaml-uri - URI and URL handling >> mirage/mirage-http - Mirage HTTP client and server >> mirage/ocaml-cow - Caml on the Web >> ocaml/omd - Markdown implementation in OCaml >> >> Misc Utilities >> -------------- >> mirage/mirage-console - Portable application console >> mirage/ocaml-pcap - Capture and analyse pcap files >> avsm/ocaml-github - GitHub API bindings >> mirage/dyntype - Dynamic types for OCaml >> >> >> Reference Applications >> ---------------------- >> mirage/mirage-www - complete openmirage.org site and server >> mirage/mirage-decks - Presentations written using Mirage about Mirage >> mirage/mirage-skeleton - Build skeleton, tests and examples >> >> Docker and Vagrant >> ------------------ >> >> mirage/mirage-vagrant-vms - Build Vagrant images >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 09:53:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 09:53:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1uko-00070w-8g; 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[151.229.165.205]) by mx.google.com with ESMTPSA id d12sm13549256wjx.0.2014.07.01.02.53.28 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 01 Jul 2014 02:53:30 -0700 (PDT) Message-ID: <53B28517.9020807@xen.org> Date: Tue, 01 Jul 2014 10:53:27 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Artem Mygaiev Subject: [MirageOS-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) is now open for community review. Please provide feedback by replying to this thread or using the Comment feature (see http://wiki.xenproject.org/wiki/Template:Comment) using "{{comment|~~~~}} My comment" on the relevant section of the wiki page. I extended the deadline by a few days, to account for the 4th of July holidays/vacation in the USA Best Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 09:53:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 09:53:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1uko-00070w-8g; Tue, 01 Jul 2014 09:53:34 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1ukm-00070e-L3 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 09:53:32 +0000 Received: from [85.158.143.35:3925] by server-1.bemta-4.messagelabs.com id 8D/C8-09496-B1582B35; Tue, 01 Jul 2014 09:53:31 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1404208411!15045368!1 X-Originating-IP: [74.125.82.179] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6230 invoked from network); 1 Jul 2014 09:53:31 -0000 Received: from mail-we0-f179.google.com (HELO mail-we0-f179.google.com) (74.125.82.179) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 09:53:31 -0000 Received: by mail-we0-f179.google.com with SMTP id w62so9429184wes.10 for ; Tue, 01 Jul 2014 02:53:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to :subject:content-type:content-transfer-encoding; bh=wvxthEZHCC7qwYjAoi/vOC6owbXT/mi8i/fiyzoSUzc=; b=GlgbDoM3SRHMPQAscVykqDO7zXU6qxaOZSzNNLLzR9FUfSTW7f7bKqaprmq75r8U0Z vGRUOIYv07HzA0WeRzfQQNswXMRsOsBMd4QkNT0Ii2dCP/wGasu6zvfbQaQWrNYdz+Kk wNnJkJMHVqGxP3T+rHD8FPoOWIw5CK0ruKnxpZiIvSjDrxyTWhQUV6AjI3PM4GyDwzrc YdQkbQO98uk9F1JhfoqvJ50mEuRVbgXAk5XI86TBn2xEpQgPyU+rdDkO40Nwr8I/D6I5 ZRfWME6TcnBn9P+LZC1Clk8ugyEa8E0dOSdIgf6Z0cSxVrna08ozWVutcXalAlChb+OQ Cmhw== X-Received: by 10.180.96.97 with SMTP id dr1mr35726113wib.19.1404208410804; Tue, 01 Jul 2014 02:53:30 -0700 (PDT) Received: from [172.16.25.10] (97e5a5cd.skybroadband.com. [151.229.165.205]) by mx.google.com with ESMTPSA id d12sm13549256wjx.0.2014.07.01.02.53.28 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 01 Jul 2014 02:53:30 -0700 (PDT) Message-ID: <53B28517.9020807@xen.org> Date: Tue, 01 Jul 2014 10:53:27 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Artem Mygaiev Subject: [MirageOS-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) is now open for community review. Please provide feedback by replying to this thread or using the Comment feature (see http://wiki.xenproject.org/wiki/Template:Comment) using "{{comment|~~~~}} My comment" on the relevant section of the wiki page. I extended the deadline by a few days, to account for the 4th of July holidays/vacation in the USA Best Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 11:08:24 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 11:08:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1vvB-0002Cg-Jt; Tue, 01 Jul 2014 11:08:21 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1vvA-0002CU-2o for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 11:08:20 +0000 Received: from [85.158.139.211:35005] by server-1.bemta-5.messagelabs.com id 7B/02-30932-3A692B35; Tue, 01 Jul 2014 11:08:19 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-9.tower-206.messagelabs.com!1404212898!12952955!1 X-Originating-IP: [131.111.8.152] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MiA9PiA4MDU1Mw==\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26803 invoked from network); 1 Jul 2014 11:08:18 -0000 Received: from ppsw-52.csi.cam.ac.uk (HELO ppsw-52.csi.cam.ac.uk) (131.111.8.152) by server-9.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Jul 2014 11:08:18 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from m.cb1.com ([217.155.139.150]:65182 helo=[192.168.1.187]) by ppsw-52.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X1vv7-0008As-EV (Exim 4.82_3-c0e5623) (return-path ); Tue, 01 Jul 2014 12:08:17 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: <5396D482.6000706@eu.citrix.com> Date: Tue, 1 Jul 2014 12:08:17 +0100 Message-Id: <0CF8E334-9DB6-44A8-B327-3644C14D92EA@cam.ac.uk> References: <5396D482.6000706@eu.citrix.com> To: Jon Ludlam , xen-api@lists.xen.org, David Scott , "mirageos-devel@lists.xenproject.org" , Lars Kurth X-Mailer: Apple Mail (2.1510) Subject: Re: [MirageOS-devel] Xapi project repositories X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi folks, Since the Mirage release is fast approaching, I'd like to get the repo transfers in order. Extracting from Jon's email below, here is where things stand with respect to the Mirage libs. *ocaml-xenstore* xapi-project is the current root An admin must initiate transfer to the Mirage org https://github.com/xapi-project/ocaml-xenstore/settings *ocaml-xenstore-xen* xapi-project is the current root An admin must initiate transfer to the Mirage org https://github.com/xapi-project/ocaml-xenstore-xen/settings *ocaml-xenstore-clients* djs55 is the current root Dave to transfer his personal repo to the Mirage org https://github.com/djs55/ocaml-xenstore-clients/settings *ocaml-gnt* Already transferred *ocaml-evtchn* Already transferred Dave, could we please move the three remaining libraries to the Mirage org as soon as possible please? It's a fairly trivial process and is transparent to end users. I've even included links that should take you to the exact page where you can click the transfer button. :) If there's some blocker to this, please let me know. Best wishes, Amir On 10 Jun 2014, at 10:48, Jon Ludlam wrote: > Hi all, > > In preparing for the 2.0 release, it's become increasingly obvious that > we really need to tidy up the xapi-project org on github. There are many > repositories that are in the org that aren't a part of the Xapi Project. > I started making a list, and realised that there are a few other > inconsistencies that we ought to clean up at the same time, for example, > many repositories are marked as forks of personal repos where that > relationship ought to be reversed. > > > > First, there are some repositories that should just be deleted: > > - opam > A fork of github.com/ocaml/opam. I don't know why we have this, it > doesn't appear to have any commits from us. > > - opam-repository > Same as opam. > > - xcp-fhs > This is unused by anyone, as far as I know. > > - xen-unstable-mirror > Just a mirror of the xen project repository. > > - xcp-storage-managers > An old fork. sm.git should be used instead. > > - ocaml-sha > A fork of upstream, no additional changesets from us. > > - ocaml-tar > A fork of upstream, no additional changesets from us > > - ocaml-vhd > A fork of upstream, no additional changesets from us > > > > Secondly, I believe some of the repositories should be transferred to > the 'xenserver' organisation, which I think probably needs approval, as > the xenserver org is not a part of the Linux Foundation. These are: > > - filesystem-summarise > A tool to check for filesystem changes. Useful on XenServer for > detecting when changes have been made to configuration files and so on. > Not useful for general installations of the xapi project. > > - jiralib > An old python library for talking to jira. Superseded by jira-python > package. > > - mirrortest > A test repository for checking Citrix's internal mirrors of the github > repositories. > > - PRDup > 'Pull Request Duplicator', a tool for helping to backport pull requests > to different branches. > > - pull-request-manager > Uses Citrix's internal build system to test pull requests - no longer used. > > - xs-pull-request-build-scripts > Replacement for pull-request-manager - uses Citrix's internal build > system to test pull requests, this time using jenkins. > > - xen-api-libs-specs > Spec files used for building a lot of the xapi-project components for > XenServer. There is large overlap with github.com/xenserver/buildroot - > these should probably merge (or become more closely related). > > - xen-api-backports > Similar to xen-api-libs-specs, but for Citrix's internal 'old > buildsystem' as opposed to Citrix's internal 'newer buildsystem'. > > I don't think any of these is actually contentious - they probably > should never have been part of the Linux Foundation, and have been there > since we only had the one place on github to put things! > > > > Third, we have some libraries that are actually mirage core libraries. > These should transfer over to the mirage organisation (remaining in LF, > as mirage is a Xen Project subproject like xapi): > > - ocaml-gnt > OCaml grant table manipulation. This code originated in the mirage > project and was put here when it was split out of mirage-platform (see > here: > https://github.com/mirage/mirage-platform/commit/f532fc79af41e0e39b624a8e63dffc900bf1b7e4). > > - ocaml-xenstore > This is the mirage implementation of a xenstore client library. Required > for running mirage kernels on xen. We use the unix-flavour of this > library. It also contains a WIP new version of the guts of a xenstore > daemon, which will be a mirage-style unix process _or_ unikernel > (xenstore stub-domain!) that should eventually be upstreamed into xen. > > - ocaml-xenstore-clients > Slightly oddly named library that defines the unix transport mechanisms > (unix-domain sockets) for using the ocaml-xenstore library. This is the > unix counterpart to the internal shared-page mechanism used by mirage > unikernels. > > - ocaml-evtchn > Similar to ocaml-gnt - split from the main mirage code at around the > same time as ocaml-gnt. > > - ocaml-xenstore-xen > Unused by xapi-project. I believe in here lives the code that turns the > xenstore daemon library from ocaml-xenstore into the actual xenstored > stubdomain or process. > > > > We have a few repositories that are forks of upstream repos with some of > our own changes in. We should get these changes upstreamed at some > point, but for now we should leave them there, but recognise that these > aren't necessarily part of the official Xapi Project (excepting where > they are, e.g. ocaml-xen-lowlevel-libs, which is a staging area for > upstreaming back into xen.git!) > - oclock > - ocamltest > - ocaml-xen-lowlevel-libs > - python-github2 > > > > Then there are generic ocaml libraries which could be used by other > ocaml programs. I think these can live on in the xapi project > organisation for now, but I wouldn't class them as 'core' xapi-project > repos. > > - cdrom > - netdev > - ocamldoc-json > - ocaml-encodings > - ocaml-crc > - ocaml-fd-send-recv > - ocaml-netlink > - ocaml-opasswd > - ocaml-pci-db > - ocaml-qmp > - stdext > - stunnel > - nbd > > > > > Which leaves us with the 'core' xapi project repositories: > > - blktap > - blktap-dkms > - example-ocaml-daemon > - ffs > - forkexecd > - libvhd > - message-switch > - ocaml-rrdd-plugins > - opam-repo-dev > - rrd-transport > - rrdd-plugin-legacy > - rrddump > - sm > - sm-cli > - squeezed > - tapctl > - vhd-tool > - vncproxy > - vncterm > - vxs > - wsproxy > - xapi-codegen > - xapi-libvirt-storage > - xapi-project > - xcp-eliloader > - xcp-guest-templates > - xcp-idl > - xcp-inventory > - xcp-networkd > - xcp-rrd > - xcp-rrdd > - xen-api > - xen-api-client > - xen-api-libs > - xen-api-libs-transitional > - xen-api-sdk > - xenops > - xenops-cli > - xenopsd > > Of the above lists that will remain in the xapi project, these > repositories have incorrect forking status (they are marked as forks of > someone here at Citrix, but shouldn't be): > > Forked from me (jonludlam on github): > xen-api-libs-transitional > xen-api-client > xcp-guest-templates > xcp-eliloader > wsproxy > tapctl > libvhd > blktap-dkms > netdev > nbd > cdrom > > Forked from Dave Scott (djs55) > xcp-idl > vhd-tool > ffs > ocaml-vhd > ocaml-tar > ocaml-fd-send-recv > > Forked from Simon Beaumont (simonjbeaumont): > ocaml-pci-db > > Forked from Mike McClurg (mcclurmc): > ocaml-opasswd > > These forking relationship problems need to be fixed by the people who > own the upstream repo. I don't think it's quite as simple as clicking > the 'transfer repository' button. If anyone knows the exact procedure > for doing this, could they please reply? > > > In summary, I believe we need to: > 1) delete some repositories > 2) move some repositories to xenserver > 3) move some repositories to mirage-project > 4) transfer ownership of some repositories (just flip around the > direction of the fork). > 5) document all of this on the wiki! > > Any comments? > > Jon > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 11:08:24 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 11:08:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1vvB-0002Cg-Jt; Tue, 01 Jul 2014 11:08:21 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1vvA-0002CU-2o for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 11:08:20 +0000 Received: from [85.158.139.211:35005] by server-1.bemta-5.messagelabs.com id 7B/02-30932-3A692B35; Tue, 01 Jul 2014 11:08:19 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-9.tower-206.messagelabs.com!1404212898!12952955!1 X-Originating-IP: [131.111.8.152] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MiA9PiA4MDU1Mw==\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26803 invoked from network); 1 Jul 2014 11:08:18 -0000 Received: from ppsw-52.csi.cam.ac.uk (HELO ppsw-52.csi.cam.ac.uk) (131.111.8.152) by server-9.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Jul 2014 11:08:18 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from m.cb1.com ([217.155.139.150]:65182 helo=[192.168.1.187]) by ppsw-52.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X1vv7-0008As-EV (Exim 4.82_3-c0e5623) (return-path ); Tue, 01 Jul 2014 12:08:17 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: <5396D482.6000706@eu.citrix.com> Date: Tue, 1 Jul 2014 12:08:17 +0100 Message-Id: <0CF8E334-9DB6-44A8-B327-3644C14D92EA@cam.ac.uk> References: <5396D482.6000706@eu.citrix.com> To: Jon Ludlam , xen-api@lists.xen.org, David Scott , "mirageos-devel@lists.xenproject.org" , Lars Kurth X-Mailer: Apple Mail (2.1510) Subject: Re: [MirageOS-devel] Xapi project repositories X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi folks, Since the Mirage release is fast approaching, I'd like to get the repo transfers in order. Extracting from Jon's email below, here is where things stand with respect to the Mirage libs. *ocaml-xenstore* xapi-project is the current root An admin must initiate transfer to the Mirage org https://github.com/xapi-project/ocaml-xenstore/settings *ocaml-xenstore-xen* xapi-project is the current root An admin must initiate transfer to the Mirage org https://github.com/xapi-project/ocaml-xenstore-xen/settings *ocaml-xenstore-clients* djs55 is the current root Dave to transfer his personal repo to the Mirage org https://github.com/djs55/ocaml-xenstore-clients/settings *ocaml-gnt* Already transferred *ocaml-evtchn* Already transferred Dave, could we please move the three remaining libraries to the Mirage org as soon as possible please? It's a fairly trivial process and is transparent to end users. I've even included links that should take you to the exact page where you can click the transfer button. :) If there's some blocker to this, please let me know. Best wishes, Amir On 10 Jun 2014, at 10:48, Jon Ludlam wrote: > Hi all, > > In preparing for the 2.0 release, it's become increasingly obvious that > we really need to tidy up the xapi-project org on github. There are many > repositories that are in the org that aren't a part of the Xapi Project. > I started making a list, and realised that there are a few other > inconsistencies that we ought to clean up at the same time, for example, > many repositories are marked as forks of personal repos where that > relationship ought to be reversed. > > > > First, there are some repositories that should just be deleted: > > - opam > A fork of github.com/ocaml/opam. I don't know why we have this, it > doesn't appear to have any commits from us. > > - opam-repository > Same as opam. > > - xcp-fhs > This is unused by anyone, as far as I know. > > - xen-unstable-mirror > Just a mirror of the xen project repository. > > - xcp-storage-managers > An old fork. sm.git should be used instead. > > - ocaml-sha > A fork of upstream, no additional changesets from us. > > - ocaml-tar > A fork of upstream, no additional changesets from us > > - ocaml-vhd > A fork of upstream, no additional changesets from us > > > > Secondly, I believe some of the repositories should be transferred to > the 'xenserver' organisation, which I think probably needs approval, as > the xenserver org is not a part of the Linux Foundation. These are: > > - filesystem-summarise > A tool to check for filesystem changes. Useful on XenServer for > detecting when changes have been made to configuration files and so on. > Not useful for general installations of the xapi project. > > - jiralib > An old python library for talking to jira. Superseded by jira-python > package. > > - mirrortest > A test repository for checking Citrix's internal mirrors of the github > repositories. > > - PRDup > 'Pull Request Duplicator', a tool for helping to backport pull requests > to different branches. > > - pull-request-manager > Uses Citrix's internal build system to test pull requests - no longer used. > > - xs-pull-request-build-scripts > Replacement for pull-request-manager - uses Citrix's internal build > system to test pull requests, this time using jenkins. > > - xen-api-libs-specs > Spec files used for building a lot of the xapi-project components for > XenServer. There is large overlap with github.com/xenserver/buildroot - > these should probably merge (or become more closely related). > > - xen-api-backports > Similar to xen-api-libs-specs, but for Citrix's internal 'old > buildsystem' as opposed to Citrix's internal 'newer buildsystem'. > > I don't think any of these is actually contentious - they probably > should never have been part of the Linux Foundation, and have been there > since we only had the one place on github to put things! > > > > Third, we have some libraries that are actually mirage core libraries. > These should transfer over to the mirage organisation (remaining in LF, > as mirage is a Xen Project subproject like xapi): > > - ocaml-gnt > OCaml grant table manipulation. This code originated in the mirage > project and was put here when it was split out of mirage-platform (see > here: > https://github.com/mirage/mirage-platform/commit/f532fc79af41e0e39b624a8e63dffc900bf1b7e4). > > - ocaml-xenstore > This is the mirage implementation of a xenstore client library. Required > for running mirage kernels on xen. We use the unix-flavour of this > library. It also contains a WIP new version of the guts of a xenstore > daemon, which will be a mirage-style unix process _or_ unikernel > (xenstore stub-domain!) that should eventually be upstreamed into xen. > > - ocaml-xenstore-clients > Slightly oddly named library that defines the unix transport mechanisms > (unix-domain sockets) for using the ocaml-xenstore library. This is the > unix counterpart to the internal shared-page mechanism used by mirage > unikernels. > > - ocaml-evtchn > Similar to ocaml-gnt - split from the main mirage code at around the > same time as ocaml-gnt. > > - ocaml-xenstore-xen > Unused by xapi-project. I believe in here lives the code that turns the > xenstore daemon library from ocaml-xenstore into the actual xenstored > stubdomain or process. > > > > We have a few repositories that are forks of upstream repos with some of > our own changes in. We should get these changes upstreamed at some > point, but for now we should leave them there, but recognise that these > aren't necessarily part of the official Xapi Project (excepting where > they are, e.g. ocaml-xen-lowlevel-libs, which is a staging area for > upstreaming back into xen.git!) > - oclock > - ocamltest > - ocaml-xen-lowlevel-libs > - python-github2 > > > > Then there are generic ocaml libraries which could be used by other > ocaml programs. I think these can live on in the xapi project > organisation for now, but I wouldn't class them as 'core' xapi-project > repos. > > - cdrom > - netdev > - ocamldoc-json > - ocaml-encodings > - ocaml-crc > - ocaml-fd-send-recv > - ocaml-netlink > - ocaml-opasswd > - ocaml-pci-db > - ocaml-qmp > - stdext > - stunnel > - nbd > > > > > Which leaves us with the 'core' xapi project repositories: > > - blktap > - blktap-dkms > - example-ocaml-daemon > - ffs > - forkexecd > - libvhd > - message-switch > - ocaml-rrdd-plugins > - opam-repo-dev > - rrd-transport > - rrdd-plugin-legacy > - rrddump > - sm > - sm-cli > - squeezed > - tapctl > - vhd-tool > - vncproxy > - vncterm > - vxs > - wsproxy > - xapi-codegen > - xapi-libvirt-storage > - xapi-project > - xcp-eliloader > - xcp-guest-templates > - xcp-idl > - xcp-inventory > - xcp-networkd > - xcp-rrd > - xcp-rrdd > - xen-api > - xen-api-client > - xen-api-libs > - xen-api-libs-transitional > - xen-api-sdk > - xenops > - xenops-cli > - xenopsd > > Of the above lists that will remain in the xapi project, these > repositories have incorrect forking status (they are marked as forks of > someone here at Citrix, but shouldn't be): > > Forked from me (jonludlam on github): > xen-api-libs-transitional > xen-api-client > xcp-guest-templates > xcp-eliloader > wsproxy > tapctl > libvhd > blktap-dkms > netdev > nbd > cdrom > > Forked from Dave Scott (djs55) > xcp-idl > vhd-tool > ffs > ocaml-vhd > ocaml-tar > ocaml-fd-send-recv > > Forked from Simon Beaumont (simonjbeaumont): > ocaml-pci-db > > Forked from Mike McClurg (mcclurmc): > ocaml-opasswd > > These forking relationship problems need to be fixed by the people who > own the upstream repo. I don't think it's quite as simple as clicking > the 'transfer repository' button. If anyone knows the exact procedure > for doing this, could they please reply? > > > In summary, I believe we need to: > 1) delete some repositories > 2) move some repositories to xenserver > 3) move some repositories to mirage-project > 4) transfer ownership of some repositories (just flip around the > direction of the fork). > 5) document all of this on the wiki! > > Any comments? > > Jon > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 11:35:39 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 11:35:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1wLa-0003iy-MU; Tue, 01 Jul 2014 11:35:38 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1wLZ-0003iq-O7 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 11:35:37 +0000 Received: from [85.158.143.35:64572] by server-2.bemta-4.messagelabs.com id C4/34-06539-90D92B35; Tue, 01 Jul 2014 11:35:37 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-14.tower-21.messagelabs.com!1404214536!15088372!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25983 invoked from network); 1 Jul 2014 11:35:36 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-14.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Jul 2014 11:35:36 -0000 Received: from [128.232.110.146] (c146.al.cl.cam.ac.uk [128.232.110.146]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id 3F38814DF for ; Tue, 1 Jul 2014 13:35:35 +0200 (CEST) Message-ID: <53B29CBC.7070700@mehnert.org> Date: Tue, 01 Jul 2014 12:34:20 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> In-Reply-To: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 On 06/24/2014 16:00, Anil Madhavapeddy wrote: > Core OS / Build Framework ------------------------- mirage/mirage > - Command-line frontend mirage/mirage-platform - Core framework > and runtime mirage/mirage-clock - clock for Unix and Xen > mirage/mirage-types - type signatures for all Mirage > modules ocaml/opam - package manager library > ocaml/opamfu - functions over package sets > samoht/ocaml-tools - tools to manage project configuration There is now also an entropy device (repo mirage/mirage-entropy ; mirage/mirage-types pull request https://github.com/mirage/mirage/pull/256) Hannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTspy8AAoJELyJZYjffCjuvqsP/RWNDTy4h56hVlDxyUaDTiMi /lYMqN/d2PDj6TYbQ69pV9OK79uAOBDSe2nWNPWXm04oN2WaBB6FMjG8svImbr0/ aq8aBmJlkqZ47hcHN9JiNW3YSVsqnmJdWHQeX4xOKYHG5AzhtLYrBIgR8ei+fKLE cqss04fUDZoqcbO5JCcvQbIaZdcmwScUcEUPd8RPjoF2PCyNjsmz2+4Vlc3hPrC7 9EyNSBsYEedVT47VSzl7eEiQD5oIStXLl1K8og25JagePmhTNK7baK1XAe2AIWAM k3wsXIIV2D0FIXFoxeJPYwvftdtrHTF7/ZLtPav1CcudGR9vOhpUVZfAjLX/JZzb +eK44b5NST1awg3d/sm+ufqqIcYCMYlXBl+qD9PgHlQ3tMK77gzY1cpqZqaRqKer Gm32tt1K6/VZUs74OuLBz9WURCAfksACsosvImqukUPbgo/RsXxIH4HsZvrpOo+R zbyK+on+mDFmzNGGj8UNKID3vZZ6b09A+aUrdJUkQBKJOe1iLc0PBeH/ZuiygwSf dOXRu6yXnqx28HXYiNFbp1XwNTz3NFUguaNxlYWLYN5gWDGIYqcot5aDLHjpeHcj BsSas0lwediSaL9NkZDK6DZG0KQ9pAAiYO+v0IBoSs+GDZBrCET1lX8h8wzW1VoY CXvic8f5OOD4gBt2Uabv =2jwg -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 11:35:39 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 11:35:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1wLa-0003iy-MU; Tue, 01 Jul 2014 11:35:38 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1wLZ-0003iq-O7 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 11:35:37 +0000 Received: from [85.158.143.35:64572] by server-2.bemta-4.messagelabs.com id C4/34-06539-90D92B35; Tue, 01 Jul 2014 11:35:37 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-14.tower-21.messagelabs.com!1404214536!15088372!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25983 invoked from network); 1 Jul 2014 11:35:36 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-14.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Jul 2014 11:35:36 -0000 Received: from [128.232.110.146] (c146.al.cl.cam.ac.uk [128.232.110.146]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id 3F38814DF for ; Tue, 1 Jul 2014 13:35:35 +0200 (CEST) Message-ID: <53B29CBC.7070700@mehnert.org> Date: Tue, 01 Jul 2014 12:34:20 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> In-Reply-To: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 On 06/24/2014 16:00, Anil Madhavapeddy wrote: > Core OS / Build Framework ------------------------- mirage/mirage > - Command-line frontend mirage/mirage-platform - Core framework > and runtime mirage/mirage-clock - clock for Unix and Xen > mirage/mirage-types - type signatures for all Mirage > modules ocaml/opam - package manager library > ocaml/opamfu - functions over package sets > samoht/ocaml-tools - tools to manage project configuration There is now also an entropy device (repo mirage/mirage-entropy ; mirage/mirage-types pull request https://github.com/mirage/mirage/pull/256) Hannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTspy8AAoJELyJZYjffCjuvqsP/RWNDTy4h56hVlDxyUaDTiMi /lYMqN/d2PDj6TYbQ69pV9OK79uAOBDSe2nWNPWXm04oN2WaBB6FMjG8svImbr0/ aq8aBmJlkqZ47hcHN9JiNW3YSVsqnmJdWHQeX4xOKYHG5AzhtLYrBIgR8ei+fKLE cqss04fUDZoqcbO5JCcvQbIaZdcmwScUcEUPd8RPjoF2PCyNjsmz2+4Vlc3hPrC7 9EyNSBsYEedVT47VSzl7eEiQD5oIStXLl1K8og25JagePmhTNK7baK1XAe2AIWAM k3wsXIIV2D0FIXFoxeJPYwvftdtrHTF7/ZLtPav1CcudGR9vOhpUVZfAjLX/JZzb +eK44b5NST1awg3d/sm+ufqqIcYCMYlXBl+qD9PgHlQ3tMK77gzY1cpqZqaRqKer Gm32tt1K6/VZUs74OuLBz9WURCAfksACsosvImqukUPbgo/RsXxIH4HsZvrpOo+R zbyK+on+mDFmzNGGj8UNKID3vZZ6b09A+aUrdJUkQBKJOe1iLc0PBeH/ZuiygwSf dOXRu6yXnqx28HXYiNFbp1XwNTz3NFUguaNxlYWLYN5gWDGIYqcot5aDLHjpeHcj BsSas0lwediSaL9NkZDK6DZG0KQ9pAAiYO+v0IBoSs+GDZBrCET1lX8h8wzW1VoY CXvic8f5OOD4gBt2Uabv =2jwg -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 12:37:41 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 12:37:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1xJY-00079m-9I; Tue, 01 Jul 2014 12:37:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1xJW-00079Z-Pl for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 12:37:34 +0000 Received: from [193.109.254.147:17238] by server-15.bemta-14.messagelabs.com id 4D/A3-15813-E8BA2B35; Tue, 01 Jul 2014 12:37:34 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1404218253!14778689!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32632 invoked from network); 1 Jul 2014 12:37:33 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 1 Jul 2014 12:37:33 -0000 Received: (qmail 15523 invoked by uid 634); 1 Jul 2014 12:37:32 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 13:37:32 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <53987CB5.7020105@somerandomidiot.com> Date: Tue, 1 Jul 2014 15:37:21 +0300 Message-Id: <3AB4A456-955C-44B0-AFA3-D1CA960FFEA2@recoil.org> References: <537A1EAD.5090906@somerandomidiot.com> <538C9FB9.7070001@somerandomidiot.com> <912BC56B-F927-4CDE-9C1E-D40BBD8A79CE@recoil.org> <53987CB5.7020105@somerandomidiot.com> To: Mindy X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Balraj Singh , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] OPW intern checking in! X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 11 Jun 2014, at 18:58, Mindy wrote: > Doubling as my update for this morning, here are some inline responses: >>> Mainly, as you say, this points to a lack of good regression tests and test infrastructure. I have tried to make some unit tests but for TCP there are many balls that have to be kept in the air and I could not quite do it in an automated way. The most successful of this kind of test was one in which a single VM would bring up 2 virtual interfaces and send specific patterns of data in both directions. It knew what to expect and it could, if necessary, even examine the state machines of the two TCPs. This was quite fragile - it would often stumble on something simple like bringing up two VIFs. >> The other option here is not to use Xen for testing the net stack at all, but just use Linux with two tap interfaces. That gives us the ability to use tcpdump to inspect the traces as well... >> >>> On 2 Jun 2014, at 17:00, Mindy wrote: >>> My first thought is that I don't know how to get the workflow I've been using (start up a unikernel in Xen and throw a bunch of stuff at it from scapy) set up in Travis, but if that doesn't seem like obviously the wrong thing to do, I can look into it. I would still like to look at Quickcheck as well. >> Similar to answer to Balraj above -- instead of spinning up a Xen VM, spin up a user-level stack on Linux instead (using `NET=direct mirage configure --unix` in the various skeleton examples). >> >> However, one downside to Travis is that it uses LXC (containers) for its isolation, and so doesn't support tuntap. >> >> This does leave Balraj's suggestion as the best one: create two network stacks in one Mirage program and get them talking to each other! > Playing around with this uncovered a logic problem in how DHCP setup works in the context of unikernels that don't want to run listeners; I've submitted an issue (mirage/mirage-tcpip #53) with more details. >>> Also, an update - Last w I've released TCPIP 1.1.5 with this DHCP logic fix, the FIN leak, and the examples all merged! https://github.com/ocaml/opam-repository/pull/2301 -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 12:37:41 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 12:37:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1xJY-00079m-9I; Tue, 01 Jul 2014 12:37:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1xJW-00079Z-Pl for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 12:37:34 +0000 Received: from [193.109.254.147:17238] by server-15.bemta-14.messagelabs.com id 4D/A3-15813-E8BA2B35; Tue, 01 Jul 2014 12:37:34 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1404218253!14778689!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32632 invoked from network); 1 Jul 2014 12:37:33 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 1 Jul 2014 12:37:33 -0000 Received: (qmail 15523 invoked by uid 634); 1 Jul 2014 12:37:32 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4465920.home.otenet.gr (HELO [10.100.22.69]) (94.71.100.240) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 13:37:32 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <53987CB5.7020105@somerandomidiot.com> Date: Tue, 1 Jul 2014 15:37:21 +0300 Message-Id: <3AB4A456-955C-44B0-AFA3-D1CA960FFEA2@recoil.org> References: <537A1EAD.5090906@somerandomidiot.com> <538C9FB9.7070001@somerandomidiot.com> <912BC56B-F927-4CDE-9C1E-D40BBD8A79CE@recoil.org> <53987CB5.7020105@somerandomidiot.com> To: Mindy X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Balraj Singh , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] OPW intern checking in! X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 11 Jun 2014, at 18:58, Mindy wrote: > Doubling as my update for this morning, here are some inline responses: >>> Mainly, as you say, this points to a lack of good regression tests and test infrastructure. I have tried to make some unit tests but for TCP there are many balls that have to be kept in the air and I could not quite do it in an automated way. The most successful of this kind of test was one in which a single VM would bring up 2 virtual interfaces and send specific patterns of data in both directions. It knew what to expect and it could, if necessary, even examine the state machines of the two TCPs. This was quite fragile - it would often stumble on something simple like bringing up two VIFs. >> The other option here is not to use Xen for testing the net stack at all, but just use Linux with two tap interfaces. That gives us the ability to use tcpdump to inspect the traces as well... >> >>> On 2 Jun 2014, at 17:00, Mindy wrote: >>> My first thought is that I don't know how to get the workflow I've been using (start up a unikernel in Xen and throw a bunch of stuff at it from scapy) set up in Travis, but if that doesn't seem like obviously the wrong thing to do, I can look into it. I would still like to look at Quickcheck as well. >> Similar to answer to Balraj above -- instead of spinning up a Xen VM, spin up a user-level stack on Linux instead (using `NET=direct mirage configure --unix` in the various skeleton examples). >> >> However, one downside to Travis is that it uses LXC (containers) for its isolation, and so doesn't support tuntap. >> >> This does leave Balraj's suggestion as the best one: create two network stacks in one Mirage program and get them talking to each other! > Playing around with this uncovered a logic problem in how DHCP setup works in the context of unikernels that don't want to run listeners; I've submitted an issue (mirage/mirage-tcpip #53) with more details. >>> Also, an update - Last w I've released TCPIP 1.1.5 with this DHCP logic fix, the FIN leak, and the examples all merged! https://github.com/ocaml/opam-repository/pull/2301 -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 13:57:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 13:57:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1yYV-00036Z-DW; Tue, 01 Jul 2014 13:57:07 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1yYO-00035y-9N for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 13:57:00 +0000 Received: from [85.158.139.211:38242] by server-8.bemta-5.messagelabs.com id D9/02-17254-B2EB2B35; Tue, 01 Jul 2014 13:56:59 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-206.messagelabs.com!1404223018!9655669!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29698 invoked from network); 1 Jul 2014 13:56:58 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-15.tower-206.messagelabs.com with SMTP; 1 Jul 2014 13:56:58 -0000 Received: (qmail 5180 invoked by uid 634); 1 Jul 2014 13:56:57 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297430.home.otenet.gr (HELO [10.100.22.69]) (85.73.209.116) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 14:56:57 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <53B28517.9020807@xen.org> Date: Tue, 1 Jul 2014 16:56:40 +0300 Message-Id: <75D6B875-6AF4-4176-B530-447D47B2A18A@recoil.org> References: <53B28517.9020807@xen.org> To: lars.kurth@xen.org X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "xen-api@lists.xen.org" , Artem Mygaiev , Alex Agizim , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 12:53, Lars Kurth wrote: > Hi all, > > the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) is now open for community review. Please provide feedback by replying to this thread or using the Comment feature (see http://wiki.xenproject.org/wiki/Template:Comment) using "{{comment|~~~~}} My comment" on the relevant section of the wiki page. Looks great! A few comments: - "pv_fb driver provide audio driver back- " => audio should be "framebuffer" - Several of the drivers overlap with existing front/back drivers (for example, the pv_usb one). Is there a plan to merge these, or at least document the differences between QNX and the Linux/BSD versions of the relevant ring protocols? - Not sure why the pv_gpu drivers has a "lnx-alsa-be/" entry in the drivers. Might be a c&p error. cheers, ANil > > I extended the deadline by a few days, to account for the 4th of July holidays/vacation in the USA > > Best Regards > Lars > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 13:57:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 13:57:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1yYV-00036Z-DW; Tue, 01 Jul 2014 13:57:07 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1yYO-00035y-9N for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 13:57:00 +0000 Received: from [85.158.139.211:38242] by server-8.bemta-5.messagelabs.com id D9/02-17254-B2EB2B35; Tue, 01 Jul 2014 13:56:59 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-206.messagelabs.com!1404223018!9655669!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29698 invoked from network); 1 Jul 2014 13:56:58 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-15.tower-206.messagelabs.com with SMTP; 1 Jul 2014 13:56:58 -0000 Received: (qmail 5180 invoked by uid 634); 1 Jul 2014 13:56:57 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297430.home.otenet.gr (HELO [10.100.22.69]) (85.73.209.116) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 14:56:57 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <53B28517.9020807@xen.org> Date: Tue, 1 Jul 2014 16:56:40 +0300 Message-Id: <75D6B875-6AF4-4176-B530-447D47B2A18A@recoil.org> References: <53B28517.9020807@xen.org> To: lars.kurth@xen.org X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "xen-api@lists.xen.org" , Artem Mygaiev , Alex Agizim , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 12:53, Lars Kurth wrote: > Hi all, > > the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) is now open for community review. Please provide feedback by replying to this thread or using the Comment feature (see http://wiki.xenproject.org/wiki/Template:Comment) using "{{comment|~~~~}} My comment" on the relevant section of the wiki page. Looks great! A few comments: - "pv_fb driver provide audio driver back- " => audio should be "framebuffer" - Several of the drivers overlap with existing front/back drivers (for example, the pv_usb one). Is there a plan to merge these, or at least document the differences between QNX and the Linux/BSD versions of the relevant ring protocols? - Not sure why the pv_gpu drivers has a "lnx-alsa-be/" entry in the drivers. Might be a c&p error. cheers, ANil > > I extended the deadline by a few days, to account for the 4th of July holidays/vacation in the USA > > Best Regards > Lars > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 14:13:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 14:13:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1yoS-0004aY-Jj; Tue, 01 Jul 2014 14:13:36 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1yoR-0004aD-P4 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 14:13:35 +0000 Received: from [85.158.143.35:32122] by server-1.bemta-4.messagelabs.com id 57/9E-09496-F02C2B35; Tue, 01 Jul 2014 14:13:35 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-12.tower-21.messagelabs.com!1404224014!15098113!1 X-Originating-IP: [74.125.82.170] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20657 invoked from network); 1 Jul 2014 14:13:34 -0000 Received: from mail-we0-f170.google.com (HELO mail-we0-f170.google.com) (74.125.82.170) by server-12.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 14:13:34 -0000 Received: by mail-we0-f170.google.com with SMTP id w61so9620104wes.1 for ; Tue, 01 Jul 2014 07:13:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=S1uOX65P14AfyZIKkjyT8Ptbsnr+QBL/1RsyKzfYrPQ=; b=azc2EwUYnUjkQy6tjc5xFOoCjvflGIunTVQqK0gTKYIxmntYivH4KHYqQddHDn0aEn rqBRjUAb/ZKqZFSu7lK09GhQvX5aDsj4TSxrP9+ny4ezIiXfEfJIsEk7PIQoRXfeYKZa cs0Y0BGiIRG+SRWf9Zgx4lHGxCkhqz4luGw1b86BcDLHL4W1GmtyuKsRJQgT3ioxCnJA 79lVoWjNfeyvw9A2zz7GQg0zAf4jh1r63ZR3vjH/rfYl3adu7eyFPiUe4/nz1zLq7Ikd ZEzWss/KTAcIrXS0KDdrieGbKRAun6KvAg+put4GvkXqSsgTHTwrbHOme/+D/FHUSW7S Azrw== X-Received: by 10.180.221.162 with SMTP id qf2mr36032188wic.75.1404224010851; Tue, 01 Jul 2014 07:13:30 -0700 (PDT) Received: from piana.mac.cl.cam.ac.uk (piana.mac.cl.cam.ac.uk. [128.232.56.38]) by mx.google.com with ESMTPSA id w9sm19169679wif.12.2014.07.01.07.13.28 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 01 Jul 2014 07:13:28 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> Date: Tue, 1 Jul 2014 15:13:26 +0100 Message-Id: <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.1878.2) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Persistence > ----------- > > mirage/irmin - Distributed database with Git-like properties > samoht/ocaml-git - OCaml low level git bindings > mirage/ocaml-lazy-trie - Lazy trie data structure > samoht/ocaml-bloom-filter - Bloom filters in OCaml > mirage/orm - ORM-style relational mapper > samoht/mqueue - Distributed, persistent queues There's also https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml > > > Filesystems and Block Storage > ------------- > mirage/mirage-block-volume - Implementation of Linux LVM in OCaml > mirage/mirage-block-unix - Unix mmap-based block driver for Mirage > mirage/ocaml-fat - FAT format file system > mirage/xen-disk - Example userspace blkback in > mirage/ocaml-crunch - Convert a filesystem into a static Oaml module > mirage/mirage-fs-unix - Unix filesystem passthrough > dsheets/profuse - FUSE protocol implementation > > Network Stack > ------------- > mirage/mirage-tcpip - OCaml TCP/IP stack > mirage/mirage-net-xen - Xen Netfront ethernet device driver > mirage/mirage-net-unix - Ethernet interface using tuntap > mirage/ocaml-tuntap - bindings to UNIX tuntap > mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation > mirage/ocaml-conduit - Establish connections via multiple mechanisms > mirage/ocaml-dns - DNS protocol > > Security > -------- > > mirleft/ocaml-asn1-combinators - parse ASN.1 formats > mirleft/ocaml-x509 - X509 (RFC5280) certificate handling > mirleft/ocaml-nocrypto - libc-free crypto implementations > mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml > dsheets/ocaml-sodium - bindings to NaCL crypto > dsheets/ocaml-dnscurve - implementation of DNSCurve protocol > > Foreign Language Interface > -------------------------- > > mirage/ocaml-cstruct - Map OCaml arrays to C-like structs > samoht/mstruct - mutable cstruct interface > ocamllabs/ocaml-ctypes - > > Xen support > ----------- > > mirage/shared-memory-ring - Xen style shared memory ring > mirage/io-page - IO memory page library > mirage/ocaml-xenstore - Client, server and Xenstore protocol > djs55/ocaml-xenstore-clients - > mirage/mirage-block-xen - Xen blkfront driver for Mirage > mirage/ocaml-vchan - Inter-VM shared memory communication > > HTTP Utilities > ------------- > mirage/ocaml-cohttp - Light weight HTTP server > mirage/cowabloga - Zurb Foundation templates for blog/wiki > mirage/ocaml-uri - URI and URL handling > mirage/mirage-http - Mirage HTTP client and server > mirage/ocaml-cow - Caml on the Web > ocaml/omd - Markdown implementation in OCaml > > Misc Utilities > -------------- > mirage/mirage-console - Portable application console > mirage/ocaml-pcap - Capture and analyse pcap files > avsm/ocaml-github - GitHub API bindings > mirage/dyntype - Dynamic types for OCaml > > > Reference Applications > ---------------------- > mirage/mirage-www - complete openmirage.org site and server > mirage/mirage-decks - Presentations written using Mirage about Mirage > mirage/mirage-skeleton - Build skeleton, tests and examples > > Docker and Vagrant > ------------------ > > mirage/mirage-vagrant-vms - Build Vagrant images > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 14:13:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 14:13:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1yoS-0004aY-Jj; 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[128.232.56.38]) by mx.google.com with ESMTPSA id w9sm19169679wif.12.2014.07.01.07.13.28 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 01 Jul 2014 07:13:28 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> Date: Tue, 1 Jul 2014 15:13:26 +0100 Message-Id: <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.1878.2) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Persistence > ----------- > > mirage/irmin - Distributed database with Git-like properties > samoht/ocaml-git - OCaml low level git bindings > mirage/ocaml-lazy-trie - Lazy trie data structure > samoht/ocaml-bloom-filter - Bloom filters in OCaml > mirage/orm - ORM-style relational mapper > samoht/mqueue - Distributed, persistent queues There's also https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml > > > Filesystems and Block Storage > ------------- > mirage/mirage-block-volume - Implementation of Linux LVM in OCaml > mirage/mirage-block-unix - Unix mmap-based block driver for Mirage > mirage/ocaml-fat - FAT format file system > mirage/xen-disk - Example userspace blkback in > mirage/ocaml-crunch - Convert a filesystem into a static Oaml module > mirage/mirage-fs-unix - Unix filesystem passthrough > dsheets/profuse - FUSE protocol implementation > > Network Stack > ------------- > mirage/mirage-tcpip - OCaml TCP/IP stack > mirage/mirage-net-xen - Xen Netfront ethernet device driver > mirage/mirage-net-unix - Ethernet interface using tuntap > mirage/ocaml-tuntap - bindings to UNIX tuntap > mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation > mirage/ocaml-conduit - Establish connections via multiple mechanisms > mirage/ocaml-dns - DNS protocol > > Security > -------- > > mirleft/ocaml-asn1-combinators - parse ASN.1 formats > mirleft/ocaml-x509 - X509 (RFC5280) certificate handling > mirleft/ocaml-nocrypto - libc-free crypto implementations > mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml > dsheets/ocaml-sodium - bindings to NaCL crypto > dsheets/ocaml-dnscurve - implementation of DNSCurve protocol > > Foreign Language Interface > -------------------------- > > mirage/ocaml-cstruct - Map OCaml arrays to C-like structs > samoht/mstruct - mutable cstruct interface > ocamllabs/ocaml-ctypes - > > Xen support > ----------- > > mirage/shared-memory-ring - Xen style shared memory ring > mirage/io-page - IO memory page library > mirage/ocaml-xenstore - Client, server and Xenstore protocol > djs55/ocaml-xenstore-clients - > mirage/mirage-block-xen - Xen blkfront driver for Mirage > mirage/ocaml-vchan - Inter-VM shared memory communication > > HTTP Utilities > ------------- > mirage/ocaml-cohttp - Light weight HTTP server > mirage/cowabloga - Zurb Foundation templates for blog/wiki > mirage/ocaml-uri - URI and URL handling > mirage/mirage-http - Mirage HTTP client and server > mirage/ocaml-cow - Caml on the Web > ocaml/omd - Markdown implementation in OCaml > > Misc Utilities > -------------- > mirage/mirage-console - Portable application console > mirage/ocaml-pcap - Capture and analyse pcap files > avsm/ocaml-github - GitHub API bindings > mirage/dyntype - Dynamic types for OCaml > > > Reference Applications > ---------------------- > mirage/mirage-www - complete openmirage.org site and server > mirage/mirage-decks - Presentations written using Mirage about Mirage > mirage/mirage-skeleton - Build skeleton, tests and examples > > Docker and Vagrant > ------------------ > > mirage/mirage-vagrant-vms - Build Vagrant images > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 14:26:39 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 14:26:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1z14-00059X-2H; 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Tue, 01 Jul 2014 15:26:29 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> Date: Tue, 1 Jul 2014 15:26:29 +0100 Message-Id: References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.1510) Cc: mirageos-devel@lists.xenproject.org, Anil Madhavapeddy Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org It would be really nice to be able to tag a repository somehow and periodically auto-generate this list (by tag). Manually curating it is going to be painful. GitHub doesn't offer this feature but maybe the following would be useful? - Add a TAGS file to the mirage repos. Just a string per line. - Use the github api to go look at all the repos, parse the TAGS file and output a structured text file. - Use some of the upcoming platform tools to aid the creation of new repos with such meta files. (Though I guess this is what the trove stuff is trying/going to solve) AC On 1 Jul 2014, at 15:13, Thomas Gazagnaire wrote: >> Persistence >> ----------- >> >> mirage/irmin - Distributed database with Git-like properties >> samoht/ocaml-git - OCaml low level git bindings >> mirage/ocaml-lazy-trie - Lazy trie data structure >> samoht/ocaml-bloom-filter - Bloom filters in OCaml >> mirage/orm - ORM-style relational mapper >> samoht/mqueue - Distributed, persistent queues > > There's also > https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml > > >> >> >> Filesystems and Block Storage >> ------------- >> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >> mirage/ocaml-fat - FAT format file system >> mirage/xen-disk - Example userspace blkback in >> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >> mirage/mirage-fs-unix - Unix filesystem passthrough >> dsheets/profuse - FUSE protocol implementation >> >> Network Stack >> ------------- >> mirage/mirage-tcpip - OCaml TCP/IP stack >> mirage/mirage-net-xen - Xen Netfront ethernet device driver >> mirage/mirage-net-unix - Ethernet interface using tuntap >> mirage/ocaml-tuntap - bindings to UNIX tuntap >> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >> mirage/ocaml-conduit - Establish connections via multiple mechanisms >> mirage/ocaml-dns - DNS protocol >> >> Security >> -------- >> >> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >> mirleft/ocaml-nocrypto - libc-free crypto implementations >> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >> dsheets/ocaml-sodium - bindings to NaCL crypto >> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >> >> Foreign Language Interface >> -------------------------- >> >> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >> samoht/mstruct - mutable cstruct interface >> ocamllabs/ocaml-ctypes - >> >> Xen support >> ----------- >> >> mirage/shared-memory-ring - Xen style shared memory ring >> mirage/io-page - IO memory page library >> mirage/ocaml-xenstore - Client, server and Xenstore protocol >> djs55/ocaml-xenstore-clients - >> mirage/mirage-block-xen - Xen blkfront driver for Mirage >> mirage/ocaml-vchan - Inter-VM shared memory communication >> >> HTTP Utilities >> ------------- >> mirage/ocaml-cohttp - Light weight HTTP server >> mirage/cowabloga - Zurb Foundation templates for blog/wiki >> mirage/ocaml-uri - URI and URL handling >> mirage/mirage-http - Mirage HTTP client and server >> mirage/ocaml-cow - Caml on the Web >> ocaml/omd - Markdown implementation in OCaml >> >> Misc Utilities >> -------------- >> mirage/mirage-console - Portable application console >> mirage/ocaml-pcap - Capture and analyse pcap files >> avsm/ocaml-github - GitHub API bindings >> mirage/dyntype - Dynamic types for OCaml >> >> >> Reference Applications >> ---------------------- >> mirage/mirage-www - complete openmirage.org site and server >> mirage/mirage-decks - Presentations written using Mirage about Mirage >> mirage/mirage-skeleton - Build skeleton, tests and examples >> >> Docker and Vagrant >> ------------------ >> >> mirage/mirage-vagrant-vms - Build Vagrant images >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 14:26:39 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 14:26:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1z14-00059X-2H; 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Tue, 01 Jul 2014 15:26:29 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> Date: Tue, 1 Jul 2014 15:26:29 +0100 Message-Id: References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.1510) Cc: mirageos-devel@lists.xenproject.org, Anil Madhavapeddy Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org It would be really nice to be able to tag a repository somehow and periodically auto-generate this list (by tag). Manually curating it is going to be painful. GitHub doesn't offer this feature but maybe the following would be useful? - Add a TAGS file to the mirage repos. Just a string per line. - Use the github api to go look at all the repos, parse the TAGS file and output a structured text file. - Use some of the upcoming platform tools to aid the creation of new repos with such meta files. (Though I guess this is what the trove stuff is trying/going to solve) AC On 1 Jul 2014, at 15:13, Thomas Gazagnaire wrote: >> Persistence >> ----------- >> >> mirage/irmin - Distributed database with Git-like properties >> samoht/ocaml-git - OCaml low level git bindings >> mirage/ocaml-lazy-trie - Lazy trie data structure >> samoht/ocaml-bloom-filter - Bloom filters in OCaml >> mirage/orm - ORM-style relational mapper >> samoht/mqueue - Distributed, persistent queues > > There's also > https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml > > >> >> >> Filesystems and Block Storage >> ------------- >> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >> mirage/ocaml-fat - FAT format file system >> mirage/xen-disk - Example userspace blkback in >> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >> mirage/mirage-fs-unix - Unix filesystem passthrough >> dsheets/profuse - FUSE protocol implementation >> >> Network Stack >> ------------- >> mirage/mirage-tcpip - OCaml TCP/IP stack >> mirage/mirage-net-xen - Xen Netfront ethernet device driver >> mirage/mirage-net-unix - Ethernet interface using tuntap >> mirage/ocaml-tuntap - bindings to UNIX tuntap >> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >> mirage/ocaml-conduit - Establish connections via multiple mechanisms >> mirage/ocaml-dns - DNS protocol >> >> Security >> -------- >> >> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >> mirleft/ocaml-nocrypto - libc-free crypto implementations >> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >> dsheets/ocaml-sodium - bindings to NaCL crypto >> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >> >> Foreign Language Interface >> -------------------------- >> >> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >> samoht/mstruct - mutable cstruct interface >> ocamllabs/ocaml-ctypes - >> >> Xen support >> ----------- >> >> mirage/shared-memory-ring - Xen style shared memory ring >> mirage/io-page - IO memory page library >> mirage/ocaml-xenstore - Client, server and Xenstore protocol >> djs55/ocaml-xenstore-clients - >> mirage/mirage-block-xen - Xen blkfront driver for Mirage >> mirage/ocaml-vchan - Inter-VM shared memory communication >> >> HTTP Utilities >> ------------- >> mirage/ocaml-cohttp - Light weight HTTP server >> mirage/cowabloga - Zurb Foundation templates for blog/wiki >> mirage/ocaml-uri - URI and URL handling >> mirage/mirage-http - Mirage HTTP client and server >> mirage/ocaml-cow - Caml on the Web >> ocaml/omd - Markdown implementation in OCaml >> >> Misc Utilities >> -------------- >> mirage/mirage-console - Portable application console >> mirage/ocaml-pcap - Capture and analyse pcap files >> avsm/ocaml-github - GitHub API bindings >> mirage/dyntype - Dynamic types for OCaml >> >> >> Reference Applications >> ---------------------- >> mirage/mirage-www - complete openmirage.org site and server >> mirage/mirage-decks - Presentations written using Mirage about Mirage >> mirage/mirage-skeleton - Build skeleton, tests and examples >> >> Docker and Vagrant >> ------------------ >> >> mirage/mirage-vagrant-vms - Build Vagrant images >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 14:40:26 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 14:40:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zEN-0006La-Ib; Tue, 01 Jul 2014 14:40:23 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zEM-0006LV-Cp for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 14:40:22 +0000 Received: from [85.158.143.35:43153] by server-2.bemta-4.messagelabs.com id FA/2B-06539-558C2B35; Tue, 01 Jul 2014 14:40:21 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-21.messagelabs.com!1404225619!11665703!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30941 invoked from network); 1 Jul 2014 14:40:19 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-21.messagelabs.com with SMTP; 1 Jul 2014 14:40:19 -0000 Received: (qmail 32716 invoked by uid 634); 1 Jul 2014 14:40:18 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4467727.home.otenet.gr (HELO [10.100.22.69]) (94.71.107.255) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 15:40:17 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 17:39:47 +0300 Message-Id: <501C0E61-C02F-43F7-8406-51A6CADAA492@recoil.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> To: Amir M Chaudhry X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Thomas Gazagnaire , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I believe it should be possible to do this by ensuring that the 'org:mirage' tag is present in OPAM metadata. Try "opam search mirage" to see what I mean. -anil On 1 Jul 2014, at 17:26, Amir Chaudhry wrote: > It would be really nice to be able to tag a repository somehow and periodically auto-generate this list (by tag). > Manually curating it is going to be painful. > > > GitHub doesn't offer this feature but maybe the following would be useful? > - Add a TAGS file to the mirage repos. Just a string per line. > - Use the github api to go look at all the repos, parse the TAGS file and output a structured text file. > - Use some of the upcoming platform tools to aid the creation of new repos with such meta files. > > (Though I guess this is what the trove stuff is trying/going to solve) > > AC > > > On 1 Jul 2014, at 15:13, Thomas Gazagnaire wrote: > >>> Persistence >>> ----------- >>> >>> mirage/irmin - Distributed database with Git-like properties >>> samoht/ocaml-git - OCaml low level git bindings >>> mirage/ocaml-lazy-trie - Lazy trie data structure >>> samoht/ocaml-bloom-filter - Bloom filters in OCaml >>> mirage/orm - ORM-style relational mapper >>> samoht/mqueue - Distributed, persistent queues >> >> There's also >> https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml >> >> >>> >>> >>> Filesystems and Block Storage >>> ------------- >>> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >>> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >>> mirage/ocaml-fat - FAT format file system >>> mirage/xen-disk - Example userspace blkback in >>> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >>> mirage/mirage-fs-unix - Unix filesystem passthrough >>> dsheets/profuse - FUSE protocol implementation >>> >>> Network Stack >>> ------------- >>> mirage/mirage-tcpip - OCaml TCP/IP stack >>> mirage/mirage-net-xen - Xen Netfront ethernet device driver >>> mirage/mirage-net-unix - Ethernet interface using tuntap >>> mirage/ocaml-tuntap - bindings to UNIX tuntap >>> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >>> mirage/ocaml-conduit - Establish connections via multiple mechanisms >>> mirage/ocaml-dns - DNS protocol >>> >>> Security >>> -------- >>> >>> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >>> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >>> mirleft/ocaml-nocrypto - libc-free crypto implementations >>> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >>> dsheets/ocaml-sodium - bindings to NaCL crypto >>> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >>> >>> Foreign Language Interface >>> -------------------------- >>> >>> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >>> samoht/mstruct - mutable cstruct interface >>> ocamllabs/ocaml-ctypes - >>> >>> Xen support >>> ----------- >>> >>> mirage/shared-memory-ring - Xen style shared memory ring >>> mirage/io-page - IO memory page library >>> mirage/ocaml-xenstore - Client, server and Xenstore protocol >>> djs55/ocaml-xenstore-clients - >>> mirage/mirage-block-xen - Xen blkfront driver for Mirage >>> mirage/ocaml-vchan - Inter-VM shared memory communication >>> >>> HTTP Utilities >>> ------------- >>> mirage/ocaml-cohttp - Light weight HTTP server >>> mirage/cowabloga - Zurb Foundation templates for blog/wiki >>> mirage/ocaml-uri - URI and URL handling >>> mirage/mirage-http - Mirage HTTP client and server >>> mirage/ocaml-cow - Caml on the Web >>> ocaml/omd - Markdown implementation in OCaml >>> >>> Misc Utilities >>> -------------- >>> mirage/mirage-console - Portable application console >>> mirage/ocaml-pcap - Capture and analyse pcap files >>> avsm/ocaml-github - GitHub API bindings >>> mirage/dyntype - Dynamic types for OCaml >>> >>> >>> Reference Applications >>> ---------------------- >>> mirage/mirage-www - complete openmirage.org site and server >>> mirage/mirage-decks - Presentations written using Mirage about Mirage >>> mirage/mirage-skeleton - Build skeleton, tests and examples >>> >>> Docker and Vagrant >>> ------------------ >>> >>> mirage/mirage-vagrant-vms - Build Vagrant images >>> >>> >>> >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 14:40:26 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 14:40:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zEN-0006La-Ib; Tue, 01 Jul 2014 14:40:23 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zEM-0006LV-Cp for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 14:40:22 +0000 Received: from [85.158.143.35:43153] by server-2.bemta-4.messagelabs.com id FA/2B-06539-558C2B35; Tue, 01 Jul 2014 14:40:21 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-21.messagelabs.com!1404225619!11665703!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30941 invoked from network); 1 Jul 2014 14:40:19 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-21.messagelabs.com with SMTP; 1 Jul 2014 14:40:19 -0000 Received: (qmail 32716 invoked by uid 634); 1 Jul 2014 14:40:18 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-4467727.home.otenet.gr (HELO [10.100.22.69]) (94.71.107.255) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 15:40:17 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 1 Jul 2014 17:39:47 +0300 Message-Id: <501C0E61-C02F-43F7-8406-51A6CADAA492@recoil.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> To: Amir M Chaudhry X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Thomas Gazagnaire , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I believe it should be possible to do this by ensuring that the 'org:mirage' tag is present in OPAM metadata. Try "opam search mirage" to see what I mean. -anil On 1 Jul 2014, at 17:26, Amir Chaudhry wrote: > It would be really nice to be able to tag a repository somehow and periodically auto-generate this list (by tag). > Manually curating it is going to be painful. > > > GitHub doesn't offer this feature but maybe the following would be useful? > - Add a TAGS file to the mirage repos. Just a string per line. > - Use the github api to go look at all the repos, parse the TAGS file and output a structured text file. > - Use some of the upcoming platform tools to aid the creation of new repos with such meta files. > > (Though I guess this is what the trove stuff is trying/going to solve) > > AC > > > On 1 Jul 2014, at 15:13, Thomas Gazagnaire wrote: > >>> Persistence >>> ----------- >>> >>> mirage/irmin - Distributed database with Git-like properties >>> samoht/ocaml-git - OCaml low level git bindings >>> mirage/ocaml-lazy-trie - Lazy trie data structure >>> samoht/ocaml-bloom-filter - Bloom filters in OCaml >>> mirage/orm - ORM-style relational mapper >>> samoht/mqueue - Distributed, persistent queues >> >> There's also >> https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml >> >> >>> >>> >>> Filesystems and Block Storage >>> ------------- >>> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >>> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >>> mirage/ocaml-fat - FAT format file system >>> mirage/xen-disk - Example userspace blkback in >>> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >>> mirage/mirage-fs-unix - Unix filesystem passthrough >>> dsheets/profuse - FUSE protocol implementation >>> >>> Network Stack >>> ------------- >>> mirage/mirage-tcpip - OCaml TCP/IP stack >>> mirage/mirage-net-xen - Xen Netfront ethernet device driver >>> mirage/mirage-net-unix - Ethernet interface using tuntap >>> mirage/ocaml-tuntap - bindings to UNIX tuntap >>> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >>> mirage/ocaml-conduit - Establish connections via multiple mechanisms >>> mirage/ocaml-dns - DNS protocol >>> >>> Security >>> -------- >>> >>> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >>> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >>> mirleft/ocaml-nocrypto - libc-free crypto implementations >>> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >>> dsheets/ocaml-sodium - bindings to NaCL crypto >>> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >>> >>> Foreign Language Interface >>> -------------------------- >>> >>> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >>> samoht/mstruct - mutable cstruct interface >>> ocamllabs/ocaml-ctypes - >>> >>> Xen support >>> ----------- >>> >>> mirage/shared-memory-ring - Xen style shared memory ring >>> mirage/io-page - IO memory page library >>> mirage/ocaml-xenstore - Client, server and Xenstore protocol >>> djs55/ocaml-xenstore-clients - >>> mirage/mirage-block-xen - Xen blkfront driver for Mirage >>> mirage/ocaml-vchan - Inter-VM shared memory communication >>> >>> HTTP Utilities >>> ------------- >>> mirage/ocaml-cohttp - Light weight HTTP server >>> mirage/cowabloga - Zurb Foundation templates for blog/wiki >>> mirage/ocaml-uri - URI and URL handling >>> mirage/mirage-http - Mirage HTTP client and server >>> mirage/ocaml-cow - Caml on the Web >>> ocaml/omd - Markdown implementation in OCaml >>> >>> Misc Utilities >>> -------------- >>> mirage/mirage-console - Portable application console >>> mirage/ocaml-pcap - Capture and analyse pcap files >>> avsm/ocaml-github - GitHub API bindings >>> mirage/dyntype - Dynamic types for OCaml >>> >>> >>> Reference Applications >>> ---------------------- >>> mirage/mirage-www - complete openmirage.org site and server >>> mirage/mirage-decks - Presentations written using Mirage about Mirage >>> mirage/mirage-skeleton - Build skeleton, tests and examples >>> >>> Docker and Vagrant >>> ------------------ >>> >>> mirage/mirage-vagrant-vms - Build Vagrant images >>> >>> >>> >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 15:21:06 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 15:21:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zrk-0002yN-DZ; Tue, 01 Jul 2014 15:21:04 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zrg-0002y3-K7 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 15:21:00 +0000 Received: from [85.158.137.68:24134] by server-3.bemta-3.messagelabs.com id 6E/F8-25808-BD1D2B35; Tue, 01 Jul 2014 15:20:59 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1404228058!13385856!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20500 invoked from network); 1 Jul 2014 15:20:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-31.messagelabs.com with SMTP; 1 Jul 2014 15:20:59 -0000 Received: (qmail 1842 invoked by uid 634); 1 Jul 2014 15:20:58 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297430.home.otenet.gr (HELO [10.100.22.69]) (85.73.209.116) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 16:20:58 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <0CF8E334-9DB6-44A8-B327-3644C14D92EA@cam.ac.uk> Date: Tue, 1 Jul 2014 18:20:51 +0300 Message-Id: <0521ACDC-1E09-4506-B054-588DD4E17D70@recoil.org> References: <5396D482.6000706@eu.citrix.com> <0CF8E334-9DB6-44A8-B327-3644C14D92EA@cam.ac.uk> To: Amir M Chaudhry X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Lars Kurth , David Scott , Jon Ludlam , "mirageos-devel@lists.xenproject.org" , xen-api@lists.xen.org Subject: Re: [MirageOS-devel] Xapi project repositories X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 14:08, Amir Chaudhry wrote: > Dave, could we please move the three remaining libraries to the Mirage org as soon as possible please? > It's a fairly trivial process and is transparent to end users. I've even included links that should take you to the exact page where you can click the transfer button. :) > If there's some blocker to this, please let me know. I believe what's blocking the xenstore transfer is a refactoring to separate out the bits intended for xen upstream to the core libraries used by Mirage/xapi/etc. From the Mirage perspective, I'm happy for this split to be done 'in-tree', but Dave has the final call on this since he's actually doing the hard work :-) -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 15:21:06 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 15:21:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zrk-0002yN-DZ; Tue, 01 Jul 2014 15:21:04 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X1zrg-0002y3-K7 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 15:21:00 +0000 Received: from [85.158.137.68:24134] by server-3.bemta-3.messagelabs.com id 6E/F8-25808-BD1D2B35; Tue, 01 Jul 2014 15:20:59 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1404228058!13385856!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20500 invoked from network); 1 Jul 2014 15:20:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-31.messagelabs.com with SMTP; 1 Jul 2014 15:20:59 -0000 Received: (qmail 1842 invoked by uid 634); 1 Jul 2014 15:20:58 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297430.home.otenet.gr (HELO [10.100.22.69]) (85.73.209.116) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 01 Jul 2014 16:20:58 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <0CF8E334-9DB6-44A8-B327-3644C14D92EA@cam.ac.uk> Date: Tue, 1 Jul 2014 18:20:51 +0300 Message-Id: <0521ACDC-1E09-4506-B054-588DD4E17D70@recoil.org> References: <5396D482.6000706@eu.citrix.com> <0CF8E334-9DB6-44A8-B327-3644C14D92EA@cam.ac.uk> To: Amir M Chaudhry X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Lars Kurth , David Scott , Jon Ludlam , "mirageos-devel@lists.xenproject.org" , xen-api@lists.xen.org Subject: Re: [MirageOS-devel] Xapi project repositories X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 14:08, Amir Chaudhry wrote: > Dave, could we please move the three remaining libraries to the Mirage org as soon as possible please? > It's a fairly trivial process and is transparent to end users. I've even included links that should take you to the exact page where you can click the transfer button. :) > If there's some blocker to this, please let me know. I believe what's blocking the xenstore transfer is a refactoring to separate out the bits intended for xen upstream to the core libraries used by Mirage/xapi/etc. From the Mirage perspective, I'm happy for this split to be done 'in-tree', but Dave has the final call on this since he's actually doing the hard work :-) -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 17:29:04 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 17:29:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21rW-0003nh-KT; Tue, 01 Jul 2014 17:28:58 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21rW-0003nb-1k for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 17:28:58 +0000 Received: from [85.158.139.211:64250] by server-1.bemta-5.messagelabs.com id C0/10-30932-9DFE2B35; Tue, 01 Jul 2014 17:28:57 +0000 X-Env-Sender: Masoud.Koleini@nottingham.ac.uk X-Msg-Ref: server-13.tower-206.messagelabs.com!1404235736!13065789!1 X-Originating-IP: [93.95.15.171] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogOTMuOTUuMTUuMTcxID0+IDQyMTM=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26378 invoked from network); 1 Jul 2014 17:28:57 -0000 Received: from engine05-20433-5.icritical.com (HELO engine05-20433-5.icritical.com) (93.95.15.171) by server-13.tower-206.messagelabs.com with SMTP; 1 Jul 2014 17:28:57 -0000 Received: (qmail 15057 invoked from network); 1 Jul 2014 17:28:58 -0000 Received: from localhost (127.0.0.1) by engine05-20433-5.icritical.com with SMTP; 1 Jul 2014 17:28:58 -0000 Received: from engine05-20433-5.icritical.com ([127.0.0.1]) by localhost (engine05-20433-5.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 14932-03 for ; Tue, 1 Jul 2014 18:28:51 +0100 (BST) Received: (qmail 14967 invoked by uid 599); 1 Jul 2014 17:28:47 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine05-20433-5.icritical.com (qpsmtpd/0.28) with ESMTP; Tue, 01 Jul 2014 18:28:47 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X21rI-0007Vo-OU for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 18:28:44 +0100 From: Masoud Koleini To: "mirageos-devel@lists.xenproject.org" Date: Tue, 1 Jul 2014 18:28:43 +0100 Thread-Topic: Lwt is deprecated - Async? Thread-Index: AQHPlVHojnaWXZ6jXEeo03lBtpng7A== Message-ID: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine05-20433-5.icritical.com Subject: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi All, I am working on porting Frenetic OpenFlow to Mirage. Recently, Frenetic has replaced Lwt library with Async, since Lwt is now deprecated and not actively maintained. Is there any plan to support Async in future Mirage developments? Do you have any suggestion to make Frenetic, or any Async based code, to interact with Mirage Lwt-based libraries? Thanks, MasoudThis message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 17:29:04 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 17:29:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21rW-0003nh-KT; Tue, 01 Jul 2014 17:28:58 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21rW-0003nb-1k for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 17:28:58 +0000 Received: from [85.158.139.211:64250] by server-1.bemta-5.messagelabs.com id C0/10-30932-9DFE2B35; Tue, 01 Jul 2014 17:28:57 +0000 X-Env-Sender: Masoud.Koleini@nottingham.ac.uk X-Msg-Ref: server-13.tower-206.messagelabs.com!1404235736!13065789!1 X-Originating-IP: [93.95.15.171] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogOTMuOTUuMTUuMTcxID0+IDQyMTM=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26378 invoked from network); 1 Jul 2014 17:28:57 -0000 Received: from engine05-20433-5.icritical.com (HELO engine05-20433-5.icritical.com) (93.95.15.171) by server-13.tower-206.messagelabs.com with SMTP; 1 Jul 2014 17:28:57 -0000 Received: (qmail 15057 invoked from network); 1 Jul 2014 17:28:58 -0000 Received: from localhost (127.0.0.1) by engine05-20433-5.icritical.com with SMTP; 1 Jul 2014 17:28:58 -0000 Received: from engine05-20433-5.icritical.com ([127.0.0.1]) by localhost (engine05-20433-5.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 14932-03 for ; Tue, 1 Jul 2014 18:28:51 +0100 (BST) Received: (qmail 14967 invoked by uid 599); 1 Jul 2014 17:28:47 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine05-20433-5.icritical.com (qpsmtpd/0.28) with ESMTP; Tue, 01 Jul 2014 18:28:47 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X21rI-0007Vo-OU for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 18:28:44 +0100 From: Masoud Koleini To: "mirageos-devel@lists.xenproject.org" Date: Tue, 1 Jul 2014 18:28:43 +0100 Thread-Topic: Lwt is deprecated - Async? Thread-Index: AQHPlVHojnaWXZ6jXEeo03lBtpng7A== Message-ID: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine05-20433-5.icritical.com Subject: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi All, I am working on porting Frenetic OpenFlow to Mirage. Recently, Frenetic has replaced Lwt library with Async, since Lwt is now deprecated and not actively maintained. Is there any plan to support Async in future Mirage developments? Do you have any suggestion to make Frenetic, or any Async based code, to interact with Mirage Lwt-based libraries? Thanks, MasoudThis message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 17:36:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 17:36:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21yO-0004Cy-7g; Tue, 01 Jul 2014 17:36:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21yM-0004Cs-9w for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 17:36:03 +0000 Received: from [193.109.254.147:37640] by server-1.bemta-14.messagelabs.com id A7/60-14887-181F2B35; Tue, 01 Jul 2014 17:36:01 +0000 X-Env-Sender: rudi.grinberg@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1404236159!14842285!1 X-Originating-IP: [209.85.213.181] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7880 invoked from network); 1 Jul 2014 17:36:01 -0000 Received: from mail-ig0-f181.google.com (HELO mail-ig0-f181.google.com) (209.85.213.181) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 17:36:01 -0000 Received: by mail-ig0-f181.google.com with SMTP id h15so5696309igd.14 for ; Tue, 01 Jul 2014 10:35:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:to:subject:references:date:mime-version :content-transfer-encoding:from:message-id:in-reply-to:user-agent; bh=3LRPqr0PefOpO8hbGVLCwwqZUMPRYG9v6hukinYv61k=; b=ArV70uLA792oOV7HYbrCKLCPPsZsMe4LbhU0kSnfsEqnnDP6HIg0oVZa73uZerXtD7 /7j0SVWcSI51i60qKP7p0/qtaihNpZnWORv3WAs/mbc+LL+HuWgDQv8uXmpxHyt9TZ2B T4Ma3R1mhQqW19VbJ83guyoqHzeQ6vN32DNWQ+CcIjYsMOXBoYYNxaf0H1eqmfoJnlzA CJOPbXmzguRfibNPAFrkqmGxyzT0qLum8O4/ck3+pnMM9m3oBdHe8mEbGSP7iR2SEy9P zKqfiwTvCMH0Ey2IcmES3zBIWNgp5f17KZI/WlFKNMWfAGc7o8wfUsZOSAG43ZeH6cY8 ccCw== X-Received: by 10.50.25.71 with SMTP id a7mr42142259igg.17.1404236159644; Tue, 01 Jul 2014 10:35:59 -0700 (PDT) Received: from rudis-macbook-pro.local (dsl-69-172-72-116.acanac.net. [69.172.72.116]) by mx.google.com with ESMTPSA id t1sm35841800igh.9.2014.07.01.10.35.58 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 01 Jul 2014 10:35:58 -0700 (PDT) To: "mirageos-devel@lists.xenproject.org" , "Masoud Koleini" References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> Date: Tue, 01 Jul 2014 13:35:57 -0400 MIME-Version: 1.0 From: "Rudi Grinberg" Message-ID: In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> User-Agent: Opera Mail/1.0 (MacIntel) Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed"; DelSp="yes" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini wrote: > since Lwt is now deprecated and not actively maintained. This is news to me. Was there an announcement for this? Last time I looked Lwt repo was fairly active. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 17:36:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 17:36:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21yO-0004Cy-7g; Tue, 01 Jul 2014 17:36:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X21yM-0004Cs-9w for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 17:36:03 +0000 Received: from [193.109.254.147:37640] by server-1.bemta-14.messagelabs.com id A7/60-14887-181F2B35; Tue, 01 Jul 2014 17:36:01 +0000 X-Env-Sender: rudi.grinberg@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1404236159!14842285!1 X-Originating-IP: [209.85.213.181] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7880 invoked from network); 1 Jul 2014 17:36:01 -0000 Received: from mail-ig0-f181.google.com (HELO mail-ig0-f181.google.com) (209.85.213.181) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 17:36:01 -0000 Received: by mail-ig0-f181.google.com with SMTP id h15so5696309igd.14 for ; Tue, 01 Jul 2014 10:35:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:to:subject:references:date:mime-version :content-transfer-encoding:from:message-id:in-reply-to:user-agent; bh=3LRPqr0PefOpO8hbGVLCwwqZUMPRYG9v6hukinYv61k=; b=ArV70uLA792oOV7HYbrCKLCPPsZsMe4LbhU0kSnfsEqnnDP6HIg0oVZa73uZerXtD7 /7j0SVWcSI51i60qKP7p0/qtaihNpZnWORv3WAs/mbc+LL+HuWgDQv8uXmpxHyt9TZ2B T4Ma3R1mhQqW19VbJ83guyoqHzeQ6vN32DNWQ+CcIjYsMOXBoYYNxaf0H1eqmfoJnlzA CJOPbXmzguRfibNPAFrkqmGxyzT0qLum8O4/ck3+pnMM9m3oBdHe8mEbGSP7iR2SEy9P zKqfiwTvCMH0Ey2IcmES3zBIWNgp5f17KZI/WlFKNMWfAGc7o8wfUsZOSAG43ZeH6cY8 ccCw== X-Received: by 10.50.25.71 with SMTP id a7mr42142259igg.17.1404236159644; Tue, 01 Jul 2014 10:35:59 -0700 (PDT) Received: from rudis-macbook-pro.local (dsl-69-172-72-116.acanac.net. [69.172.72.116]) by mx.google.com with ESMTPSA id t1sm35841800igh.9.2014.07.01.10.35.58 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 01 Jul 2014 10:35:58 -0700 (PDT) To: "mirageos-devel@lists.xenproject.org" , "Masoud Koleini" References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> Date: Tue, 01 Jul 2014 13:35:57 -0400 MIME-Version: 1.0 From: "Rudi Grinberg" Message-ID: In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> User-Agent: Opera Mail/1.0 (MacIntel) Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed"; DelSp="yes" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini wrote: > since Lwt is now deprecated and not actively maintained. This is news to me. Was there an announcement for this? Last time I looked Lwt repo was fairly active. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:42:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:42:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X23wl-0003Nc-Ir; Tue, 01 Jul 2014 19:42:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X23wj-0003NX-MZ for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:42:29 +0000 Received: from [193.109.254.147:29904] by server-16.bemta-14.messagelabs.com id B6/CC-16986-42F03B35; Tue, 01 Jul 2014 19:42:28 +0000 X-Env-Sender: Masoud.Koleini@nottingham.ac.uk X-Msg-Ref: server-16.tower-27.messagelabs.com!1404243748!9484722!1 X-Originating-IP: [93.95.15.170] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1725 invoked from network); 1 Jul 2014 19:42:28 -0000 Received: from engine03-20433-3.icritical.com (HELO engine03-20433-3.icritical.com) (93.95.15.170) by server-16.tower-27.messagelabs.com with SMTP; 1 Jul 2014 19:42:28 -0000 Received: (qmail 5441 invoked from network); 1 Jul 2014 19:43:10 -0000 Received: from localhost (127.0.0.1) by engine03-20433-3.icritical.com with SMTP; 1 Jul 2014 19:43:10 -0000 Received: from engine03-20433-3.icritical.com ([127.0.0.1]) by localhost (engine03-20433-3.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 04724-04 for ; Tue, 1 Jul 2014 20:43:03 +0100 (BST) Received: (qmail 5414 invoked by uid 599); 1 Jul 2014 19:43:03 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine03-20433-3.icritical.com (qpsmtpd/0.28) with ESMTP; Tue, 01 Jul 2014 20:43:03 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X23wZ-0002Eu-Fp; Tue, 01 Jul 2014 20:42:19 +0100 From: Masoud Koleini To: Rudi Grinberg , "mirageos-devel@lists.xenproject.org" , Masoud Koleini Date: Tue, 1 Jul 2014 20:42:18 +0100 Thread-Topic: [MirageOS-devel] Lwt is deprecated - Async? Thread-Index: Ac+VUvHtqLHMDd/OSWKnyxpSaoD7KgAEKjJX Message-ID: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk>, In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-3.icritical.com Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I didn't see any announcement, but here is the discussion on why Lwt is removed from Frenetic: https://github.com/frenetic-lang/ocaml-openflow/pull/87 ________________________________________ From: Rudi Grinberg [rudi.grinberg@gmail.com] Sent: 01 July 2014 18:35 To: mirageos-devel@lists.xenproject.org; Masoud Koleini Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini wrote: > since Lwt is now deprecated and not actively maintained. This is news to me. Was there an announcement for this? Last time I looked Lwt repo was fairly active. This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:42:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:42:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X23wl-0003Nc-Ir; Tue, 01 Jul 2014 19:42:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X23wj-0003NX-MZ for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:42:29 +0000 Received: from [193.109.254.147:29904] by server-16.bemta-14.messagelabs.com id B6/CC-16986-42F03B35; Tue, 01 Jul 2014 19:42:28 +0000 X-Env-Sender: Masoud.Koleini@nottingham.ac.uk X-Msg-Ref: server-16.tower-27.messagelabs.com!1404243748!9484722!1 X-Originating-IP: [93.95.15.170] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1725 invoked from network); 1 Jul 2014 19:42:28 -0000 Received: from engine03-20433-3.icritical.com (HELO engine03-20433-3.icritical.com) (93.95.15.170) by server-16.tower-27.messagelabs.com with SMTP; 1 Jul 2014 19:42:28 -0000 Received: (qmail 5441 invoked from network); 1 Jul 2014 19:43:10 -0000 Received: from localhost (127.0.0.1) by engine03-20433-3.icritical.com with SMTP; 1 Jul 2014 19:43:10 -0000 Received: from engine03-20433-3.icritical.com ([127.0.0.1]) by localhost (engine03-20433-3.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 04724-04 for ; Tue, 1 Jul 2014 20:43:03 +0100 (BST) Received: (qmail 5414 invoked by uid 599); 1 Jul 2014 19:43:03 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine03-20433-3.icritical.com (qpsmtpd/0.28) with ESMTP; Tue, 01 Jul 2014 20:43:03 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X23wZ-0002Eu-Fp; Tue, 01 Jul 2014 20:42:19 +0100 From: Masoud Koleini To: Rudi Grinberg , "mirageos-devel@lists.xenproject.org" , Masoud Koleini Date: Tue, 1 Jul 2014 20:42:18 +0100 Thread-Topic: [MirageOS-devel] Lwt is deprecated - Async? Thread-Index: Ac+VUvHtqLHMDd/OSWKnyxpSaoD7KgAEKjJX Message-ID: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk>, In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-3.icritical.com Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I didn't see any announcement, but here is the discussion on why Lwt is removed from Frenetic: https://github.com/frenetic-lang/ocaml-openflow/pull/87 ________________________________________ From: Rudi Grinberg [rudi.grinberg@gmail.com] Sent: 01 July 2014 18:35 To: mirageos-devel@lists.xenproject.org; Masoud Koleini Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini wrote: > since Lwt is now deprecated and not actively maintained. This is news to me. Was there an announcement for this? Last time I looked Lwt repo was fairly active. This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:53:53 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:53:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X247j-0003mF-OL; Tue, 01 Jul 2014 19:53:51 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X247h-0003mA-Va for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:53:50 +0000 Received: from [85.158.143.35:33114] by server-3.bemta-4.messagelabs.com id 5C/D3-16194-DC113B35; Tue, 01 Jul 2014 19:53:49 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1404244427!15162747!1 X-Originating-IP: [209.85.219.53] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26174 invoked from network); 1 Jul 2014 19:53:48 -0000 Received: from mail-oa0-f53.google.com (HELO mail-oa0-f53.google.com) (209.85.219.53) by server-15.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 19:53:48 -0000 Received: by mail-oa0-f53.google.com with SMTP id l6so11119648oag.40 for ; Tue, 01 Jul 2014 12:53:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=KblTIVbfEjnKxy/vnc38u4MswJ1Amb3MAVEo7dCEx7I=; b=frnzOTGqheaq0GHsp7CyWdIdHIYAs9grteiHc9FkPa9fqTwyywrUHCFQUKdu9essVv OFyMQAsArRRUDpEIE+NNU8rMoFGOHLGrVZQt/xG4ieRKk7L2ZMbznl4GrXJE25hRI5zG 6ePqh/ZTbVZDhCvJe4llMbYYjuoWfO1CIvdbY+UTxVYQ+EAFWbcZHudwn6BplZmQkQ7k egMLPQZwt0KvKpBDBIkqe2DECl5Xcznuns9ZOg0au0NN7tbap3ToYiD3pYUhtROY6XFS Da3jG0nB0Mt+eF+yplyZmHZKfQF54LaPibRFnLmpEKvJi+mQe9KeidMuqFj1rVHvXPVp udVg== MIME-Version: 1.0 X-Received: by 10.182.98.194 with SMTP id ek2mr51050483obb.5.1404244426896; Tue, 01 Jul 2014 12:53:46 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 1 Jul 2014 12:53:46 -0700 (PDT) Date: Tue, 1 Jul 2014 20:53:46 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've got printing of floating point values working now on ARM, but while testing I discovered it crashes on x86. This turned out to be unrelated to OCaml or Mirage. It seems that passing a double argument to any varargs function causes a crash on x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some light on what might cause that? x86 is a mystery to me. My test case is: static void foo(char *fmt, ...) { } static void float_tester(void *p) { printk("Running tests...\n"); foo("%d", 3); printk("Pass int.\n"); foo("%f", 3.1); printk("Pass float.\n"); } I run it twice, once in the main thread and once in a Mini-OS thread: printk("Test main: start_info=%p\n", si); float_tester(NULL); printk("Starting float_thread...\n"); create_thread("float", float_tester, NULL); The output is: (d114) Test main: start_info=00000000000416c0 (d114) Running tests... (d114) Pass int. (d114) Pass float. (d114) Starting float_thread... (d114) Thread "float": pointer: 0x1ef190, stack: 0x230000 (d114) Running tests... (d114) Pass int. (d114) GPF rip: 0000000000006b0c, error_code=0 (d114) Thread: float (d114) RIP: e030:[<0000000000006b0c>] (d114) RSP: e02b:000000000023ff08 EFLAGS: 00010202 (d114) RAX: 0000000000000001 RBX: 0000000000006b35 RCX: 00000000deadbeef (d114) RDX: 00000000deadbeef RSI: 00000000deadbeef RDI: 0000000000011d59 (d114) RBP: 000000000023ffc8 R08: 000000000000000b R09: 0000000000000000 (d114) R10: 000000000000000b R11: 0000000000000000 R12: 0000000000000000 (d114) R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 (d114) base is 0x23ffc8 caller is 0x6b95 (d114) base is 0x23ffe8 caller is 0x343b (d114) (d114) 23fef0: 08 ff 23 00 00 00 00 00 2b e0 00 00 00 00 00 00 (d114) 23ff00: 08 00 00 00 30 00 00 00 d8 ff 23 00 00 00 00 00 (d114) 23ff10: 18 ff 23 00 00 00 00 00 c2 c2 c2 c2 c2 c2 c2 c2 (d114) 23ff20: ef be ad de 00 00 00 00 ef be ad de 00 00 00 00 (d114) (d114) 23ffb0: c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 (d114) 23ffc0: c2 c2 c2 c2 c2 c2 c2 c2 e8 ff 23 00 00 00 00 00 (d114) 23ffd0: 95 6b 00 00 00 00 00 00 cd cc cc cc cc cc 08 40 (d114) 23ffe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 (d114) (d114) 6af0: ff ff ff 48 89 8d 68 ff ff ff 4c 89 85 70 ff ff (d114) 6b00: ff 4c 89 8d 78 ff ff ff 84 c0 74 20 0f 29 45 80 (d114) 6b10: 0f 29 4d 90 0f 29 55 a0 0f 29 5d b0 0f 29 65 c0 (d114) 6b20: 0f 29 6d d0 0f 29 75 e0 0f 29 7d f0 48 89 bd 48 Any ideas? The test case is on the "crash" branch here if you want to try it: https://github.com/talex5/xen/commits/crash -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:53:53 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:53:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X247j-0003mF-OL; Tue, 01 Jul 2014 19:53:51 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X247h-0003mA-Va for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:53:50 +0000 Received: from [85.158.143.35:33114] by server-3.bemta-4.messagelabs.com id 5C/D3-16194-DC113B35; Tue, 01 Jul 2014 19:53:49 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1404244427!15162747!1 X-Originating-IP: [209.85.219.53] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26174 invoked from network); 1 Jul 2014 19:53:48 -0000 Received: from mail-oa0-f53.google.com (HELO mail-oa0-f53.google.com) (209.85.219.53) by server-15.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 19:53:48 -0000 Received: by mail-oa0-f53.google.com with SMTP id l6so11119648oag.40 for ; Tue, 01 Jul 2014 12:53:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=KblTIVbfEjnKxy/vnc38u4MswJ1Amb3MAVEo7dCEx7I=; b=frnzOTGqheaq0GHsp7CyWdIdHIYAs9grteiHc9FkPa9fqTwyywrUHCFQUKdu9essVv OFyMQAsArRRUDpEIE+NNU8rMoFGOHLGrVZQt/xG4ieRKk7L2ZMbznl4GrXJE25hRI5zG 6ePqh/ZTbVZDhCvJe4llMbYYjuoWfO1CIvdbY+UTxVYQ+EAFWbcZHudwn6BplZmQkQ7k egMLPQZwt0KvKpBDBIkqe2DECl5Xcznuns9ZOg0au0NN7tbap3ToYiD3pYUhtROY6XFS Da3jG0nB0Mt+eF+yplyZmHZKfQF54LaPibRFnLmpEKvJi+mQe9KeidMuqFj1rVHvXPVp udVg== MIME-Version: 1.0 X-Received: by 10.182.98.194 with SMTP id ek2mr51050483obb.5.1404244426896; Tue, 01 Jul 2014 12:53:46 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 1 Jul 2014 12:53:46 -0700 (PDT) Date: Tue, 1 Jul 2014 20:53:46 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've got printing of floating point values working now on ARM, but while testing I discovered it crashes on x86. This turned out to be unrelated to OCaml or Mirage. It seems that passing a double argument to any varargs function causes a crash on x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some light on what might cause that? x86 is a mystery to me. My test case is: static void foo(char *fmt, ...) { } static void float_tester(void *p) { printk("Running tests...\n"); foo("%d", 3); printk("Pass int.\n"); foo("%f", 3.1); printk("Pass float.\n"); } I run it twice, once in the main thread and once in a Mini-OS thread: printk("Test main: start_info=%p\n", si); float_tester(NULL); printk("Starting float_thread...\n"); create_thread("float", float_tester, NULL); The output is: (d114) Test main: start_info=00000000000416c0 (d114) Running tests... (d114) Pass int. (d114) Pass float. (d114) Starting float_thread... (d114) Thread "float": pointer: 0x1ef190, stack: 0x230000 (d114) Running tests... (d114) Pass int. (d114) GPF rip: 0000000000006b0c, error_code=0 (d114) Thread: float (d114) RIP: e030:[<0000000000006b0c>] (d114) RSP: e02b:000000000023ff08 EFLAGS: 00010202 (d114) RAX: 0000000000000001 RBX: 0000000000006b35 RCX: 00000000deadbeef (d114) RDX: 00000000deadbeef RSI: 00000000deadbeef RDI: 0000000000011d59 (d114) RBP: 000000000023ffc8 R08: 000000000000000b R09: 0000000000000000 (d114) R10: 000000000000000b R11: 0000000000000000 R12: 0000000000000000 (d114) R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 (d114) base is 0x23ffc8 caller is 0x6b95 (d114) base is 0x23ffe8 caller is 0x343b (d114) (d114) 23fef0: 08 ff 23 00 00 00 00 00 2b e0 00 00 00 00 00 00 (d114) 23ff00: 08 00 00 00 30 00 00 00 d8 ff 23 00 00 00 00 00 (d114) 23ff10: 18 ff 23 00 00 00 00 00 c2 c2 c2 c2 c2 c2 c2 c2 (d114) 23ff20: ef be ad de 00 00 00 00 ef be ad de 00 00 00 00 (d114) (d114) 23ffb0: c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 c2 (d114) 23ffc0: c2 c2 c2 c2 c2 c2 c2 c2 e8 ff 23 00 00 00 00 00 (d114) 23ffd0: 95 6b 00 00 00 00 00 00 cd cc cc cc cc cc 08 40 (d114) 23ffe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 (d114) (d114) 6af0: ff ff ff 48 89 8d 68 ff ff ff 4c 89 85 70 ff ff (d114) 6b00: ff 4c 89 8d 78 ff ff ff 84 c0 74 20 0f 29 45 80 (d114) 6b10: 0f 29 4d 90 0f 29 55 a0 0f 29 5d b0 0f 29 65 c0 (d114) 6b20: 0f 29 6d d0 0f 29 75 e0 0f 29 7d f0 48 89 bd 48 Any ideas? The test case is on the "crash" branch here if you want to try it: https://github.com/talex5/xen/commits/crash -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:58:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:58:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Bp-0003os-IR; Tue, 01 Jul 2014 19:58:05 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Bo-0003ol-OH for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:58:04 +0000 Received: from [193.109.254.147:55338] by server-8.bemta-14.messagelabs.com id 8D/FF-01877-BC213B35; Tue, 01 Jul 2014 19:58:03 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1404244681!14912163!1 X-Originating-IP: [209.85.214.172] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10384 invoked from network); 1 Jul 2014 19:58:02 -0000 Received: from mail-ob0-f172.google.com (HELO mail-ob0-f172.google.com) (209.85.214.172) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 19:58:02 -0000 Received: by mail-ob0-f172.google.com with SMTP id uy5so11111352obc.17 for ; Tue, 01 Jul 2014 12:58:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=drEGUvVRngR4EAhue8Lis2FdZlDNrRfAFrkAC+6f7Cs=; b=JpQ7fTATq7BBromODrljWT+9VVOB8MO+ls0ekZRYfqnGO0XtWu+SSBvIplq79tdZYb jvse0mXpCX2Xlkp/+eFGSXUOS5rxEzjCoMh2mPzteJRiTFHZsZeEK5ezEzH4edmhRJm2 imEXFQa1VxqupwYftuavB4w2jcXItm89rn8l7bkx6EoLT062UtfyUINraQ3XXEePUIDe jyMcI3VWkLNt6L9x7hFttTH+x+hdEZ3qSUb/5uEodMAGYQx+jiTkBoqSJHyxyeZyGx1m s0QtJNRz5AdDqPy6SOHmMwZrbXpgKcZE2kuzJ7BtXhNpEUVW5KbQ1srMsJccUcDt5eu2 wsmQ== MIME-Version: 1.0 X-Received: by 10.60.133.203 with SMTP id pe11mr52301089oeb.24.1404244681370; Tue, 01 Jul 2014 12:58:01 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 1 Jul 2014 12:58:01 -0700 (PDT) In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> Date: Tue, 1 Jul 2014 20:58:01 +0100 Message-ID: From: Thomas Leonard To: Masoud Koleini Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 July 2014 20:42, Masoud Koleini wrote: > I didn't see any announcement, but here is the discussion on why Lwt is removed from Frenetic: > > https://github.com/frenetic-lang/ocaml-openflow/pull/87 > > ________________________________________ > From: Rudi Grinberg [rudi.grinberg@gmail.com] > Sent: 01 July 2014 18:35 > To: mirageos-devel@lists.xenproject.org; Masoud Koleini > Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? > > On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini > wrote: > >> since Lwt is now deprecated and not actively maintained. > > This is news to me. Was there an announcement for this? Last time I looked > Lwt repo was fairly active. >From a quick read of the above link, it appears to be Frenetic's Lwt support that is not maintained, not Lwt itself. > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:58:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:58:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Bp-0003os-IR; Tue, 01 Jul 2014 19:58:05 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Bo-0003ol-OH for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:58:04 +0000 Received: from [193.109.254.147:55338] by server-8.bemta-14.messagelabs.com id 8D/FF-01877-BC213B35; Tue, 01 Jul 2014 19:58:03 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1404244681!14912163!1 X-Originating-IP: [209.85.214.172] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10384 invoked from network); 1 Jul 2014 19:58:02 -0000 Received: from mail-ob0-f172.google.com (HELO mail-ob0-f172.google.com) (209.85.214.172) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 19:58:02 -0000 Received: by mail-ob0-f172.google.com with SMTP id uy5so11111352obc.17 for ; Tue, 01 Jul 2014 12:58:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=drEGUvVRngR4EAhue8Lis2FdZlDNrRfAFrkAC+6f7Cs=; b=JpQ7fTATq7BBromODrljWT+9VVOB8MO+ls0ekZRYfqnGO0XtWu+SSBvIplq79tdZYb jvse0mXpCX2Xlkp/+eFGSXUOS5rxEzjCoMh2mPzteJRiTFHZsZeEK5ezEzH4edmhRJm2 imEXFQa1VxqupwYftuavB4w2jcXItm89rn8l7bkx6EoLT062UtfyUINraQ3XXEePUIDe jyMcI3VWkLNt6L9x7hFttTH+x+hdEZ3qSUb/5uEodMAGYQx+jiTkBoqSJHyxyeZyGx1m s0QtJNRz5AdDqPy6SOHmMwZrbXpgKcZE2kuzJ7BtXhNpEUVW5KbQ1srMsJccUcDt5eu2 wsmQ== MIME-Version: 1.0 X-Received: by 10.60.133.203 with SMTP id pe11mr52301089oeb.24.1404244681370; Tue, 01 Jul 2014 12:58:01 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 1 Jul 2014 12:58:01 -0700 (PDT) In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> Date: Tue, 1 Jul 2014 20:58:01 +0100 Message-ID: From: Thomas Leonard To: Masoud Koleini Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 July 2014 20:42, Masoud Koleini wrote: > I didn't see any announcement, but here is the discussion on why Lwt is removed from Frenetic: > > https://github.com/frenetic-lang/ocaml-openflow/pull/87 > > ________________________________________ > From: Rudi Grinberg [rudi.grinberg@gmail.com] > Sent: 01 July 2014 18:35 > To: mirageos-devel@lists.xenproject.org; Masoud Koleini > Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? > > On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini > wrote: > >> since Lwt is now deprecated and not actively maintained. > > This is news to me. Was there an announcement for this? Last time I looked > Lwt repo was fairly active. >From a quick read of the above link, it appears to be Frenetic's Lwt support that is not maintained, not Lwt itself. > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:58:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:58:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Cc-0003w9-NT; Tue, 01 Jul 2014 19:58:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Cb-0003w0-Fy for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:58:53 +0000 Received: from [85.158.139.211:57050] by server-6.bemta-5.messagelabs.com id 67/88-25531-CF213B35; Tue, 01 Jul 2014 19:58:52 +0000 X-Env-Sender: sebastien.mondet@gmail.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1404244730!13067406!1 X-Originating-IP: [74.125.82.42] X-SpamReason: No, hits=0.9 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11047 invoked from network); 1 Jul 2014 19:58:50 -0000 Received: from mail-wg0-f42.google.com (HELO mail-wg0-f42.google.com) (74.125.82.42) by server-6.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 19:58:50 -0000 Received: by mail-wg0-f42.google.com with SMTP id z12so10181383wgg.25 for ; Tue, 01 Jul 2014 12:58:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=JbVEdOQnBK16zuzQG3cIEyrA8zZWmSpeH/PpZZMlw8o=; b=dDtEysB6dWopuboe0JMMddcpXHoPG3Iib0NTQcupW3NntrQ19Io5KJ4aGLaoZERa3Y AW+/wxDwLWJ6iIDx6yGD79jlyU7YfyLN+UBA7PpBU2VpiPMrC5GjvsUW5kDXQzVpFOFi FQnkKJJxa8QlmojiWGbfPmGcV55LJkUtbjbjsJNd0hKKHwkMzGfyh1xIcBd3aea60Lhi +67lF+/uEjmehL8krkJgTELKaPlokooBiZS8UhCT5mcE7VwtHOOhis82zZ4qRcfoe0yV NAKKhQhhEhknHMCcPJO00GcoyQyoGx0MQ8jv+Eh0haJK2MUVvj26JHv6Uh6QxjsijH5Y xVwg== X-Received: by 10.194.243.10 with SMTP id wu10mr54922179wjc.44.1404244729848; Tue, 01 Jul 2014 12:58:49 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.12.195 with HTTP; Tue, 1 Jul 2014 12:58:29 -0700 (PDT) In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> From: Sebastien Mondet Date: Tue, 1 Jul 2014 15:58:29 -0400 Message-ID: To: Masoud Koleini Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1218064234079647710==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1218064234079647710== Content-Type: multipart/alternative; boundary=089e0141a2024ce8f004fd27340e --089e0141a2024ce8f004fd27340e Content-Type: text/plain; charset=UTF-8 That discussion does not say at all "why", it just says "we're doing it, we don't want to maintain the old code, so fork the project if you're not happy" :) On Tue, Jul 1, 2014 at 3:42 PM, Masoud Koleini < Masoud.Koleini@nottingham.ac.uk> wrote: > I didn't see any announcement, but here is the discussion on why Lwt is > removed from Frenetic: > > https://github.com/frenetic-lang/ocaml-openflow/pull/87 > > ________________________________________ > From: Rudi Grinberg [rudi.grinberg@gmail.com] > Sent: 01 July 2014 18:35 > To: mirageos-devel@lists.xenproject.org; Masoud Koleini > Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? > > On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini > wrote: > > > since Lwt is now deprecated and not actively maintained. > > This is news to me. Was there an announcement for this? Last time I looked > Lwt repo was fairly active. > > > This message and any attachment are intended solely for the addressee and > may contain confidential information. If you have received this message in > error, please send it back to me, and immediately delete it. Please do > not use, copy or disclose the information contained in this message or in > any attachment. Any views or opinions expressed by the author of this > email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer > system, you are advised to perform your own checks. Email communications > with the University of Nottingham may be monitored as permitted by UK > legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --089e0141a2024ce8f004fd27340e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


That discussion does not say at all &qu= ot;why", it just says "we're doing it, we don't want to m= aintain the old code, so fork the project if you're not happy" :)<= br>

On Tue, Jul 1= , 2014 at 3:42 PM, Masoud Koleini <Masoud.Koleini@nottingham= .ac.uk> wrote:
I didn't see any announcement, but here = is the discussion on why Lwt is removed from Frenetic:

https://github.com/frenetic-lang/ocaml-openflow/pull/87

________________________________________
From: Rudi Grinberg [rudi.grinbe= rg@gmail.com]
Sent: 01 July 2014 18:35
To: mirageos-devel@l= ists.xenproject.org; Masoud Koleini
Subject: Re: [MirageOS-devel] Lwt is deprecated - Async?

On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini
<Masoud.Koleini@notti= ngham.ac.uk> wrote:

> since Lwt is now deprecated and not actively maintained.

This is news to me. Was there an announcement for this? Last time I looked<= br> Lwt repo was fairly active.


This message and any attachment are intended= solely for the addressee and may contain confidential information. If you = have received this message in error, please send it back to me, and immedia= tely delete it. =C2=A0 Please do not use, copy or disclose the information = contained in this message or in any attachment. =C2=A0Any views or opinions= expressed by the author of this email do not necessarily reflect the views= of the University of Nottingham.

This message has been checked for viruses but the contents of an attachment=
may still contain software viruses which could damage your computer system,= you are advised to perform your own checks. Email communications with the = University of Nottingham may be monitored as permitted by UK legislation.




_____________________________= __________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel

--089e0141a2024ce8f004fd27340e-- --===============1218064234079647710== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1218064234079647710==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 19:58:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 19:58:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Cc-0003w9-NT; Tue, 01 Jul 2014 19:58:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Cb-0003w0-Fy for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 19:58:53 +0000 Received: from [85.158.139.211:57050] by server-6.bemta-5.messagelabs.com id 67/88-25531-CF213B35; Tue, 01 Jul 2014 19:58:52 +0000 X-Env-Sender: sebastien.mondet@gmail.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1404244730!13067406!1 X-Originating-IP: [74.125.82.42] X-SpamReason: No, hits=0.9 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11047 invoked from network); 1 Jul 2014 19:58:50 -0000 Received: from mail-wg0-f42.google.com (HELO mail-wg0-f42.google.com) (74.125.82.42) by server-6.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 19:58:50 -0000 Received: by mail-wg0-f42.google.com with SMTP id z12so10181383wgg.25 for ; Tue, 01 Jul 2014 12:58:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=JbVEdOQnBK16zuzQG3cIEyrA8zZWmSpeH/PpZZMlw8o=; b=dDtEysB6dWopuboe0JMMddcpXHoPG3Iib0NTQcupW3NntrQ19Io5KJ4aGLaoZERa3Y AW+/wxDwLWJ6iIDx6yGD79jlyU7YfyLN+UBA7PpBU2VpiPMrC5GjvsUW5kDXQzVpFOFi FQnkKJJxa8QlmojiWGbfPmGcV55LJkUtbjbjsJNd0hKKHwkMzGfyh1xIcBd3aea60Lhi +67lF+/uEjmehL8krkJgTELKaPlokooBiZS8UhCT5mcE7VwtHOOhis82zZ4qRcfoe0yV NAKKhQhhEhknHMCcPJO00GcoyQyoGx0MQ8jv+Eh0haJK2MUVvj26JHv6Uh6QxjsijH5Y xVwg== X-Received: by 10.194.243.10 with SMTP id wu10mr54922179wjc.44.1404244729848; Tue, 01 Jul 2014 12:58:49 -0700 (PDT) MIME-Version: 1.0 Received: by 10.216.12.195 with HTTP; Tue, 1 Jul 2014 12:58:29 -0700 (PDT) In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> From: Sebastien Mondet Date: Tue, 1 Jul 2014 15:58:29 -0400 Message-ID: To: Masoud Koleini Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1218064234079647710==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1218064234079647710== Content-Type: multipart/alternative; boundary=089e0141a2024ce8f004fd27340e --089e0141a2024ce8f004fd27340e Content-Type: text/plain; charset=UTF-8 That discussion does not say at all "why", it just says "we're doing it, we don't want to maintain the old code, so fork the project if you're not happy" :) On Tue, Jul 1, 2014 at 3:42 PM, Masoud Koleini < Masoud.Koleini@nottingham.ac.uk> wrote: > I didn't see any announcement, but here is the discussion on why Lwt is > removed from Frenetic: > > https://github.com/frenetic-lang/ocaml-openflow/pull/87 > > ________________________________________ > From: Rudi Grinberg [rudi.grinberg@gmail.com] > Sent: 01 July 2014 18:35 > To: mirageos-devel@lists.xenproject.org; Masoud Koleini > Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? > > On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini > wrote: > > > since Lwt is now deprecated and not actively maintained. > > This is news to me. Was there an announcement for this? Last time I looked > Lwt repo was fairly active. > > > This message and any attachment are intended solely for the addressee and > may contain confidential information. If you have received this message in > error, please send it back to me, and immediately delete it. Please do > not use, copy or disclose the information contained in this message or in > any attachment. Any views or opinions expressed by the author of this > email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer > system, you are advised to perform your own checks. Email communications > with the University of Nottingham may be monitored as permitted by UK > legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --089e0141a2024ce8f004fd27340e Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


That discussion does not say at all &qu= ot;why", it just says "we're doing it, we don't want to m= aintain the old code, so fork the project if you're not happy" :)<= br>

On Tue, Jul 1= , 2014 at 3:42 PM, Masoud Koleini <Masoud.Koleini@nottingham= .ac.uk> wrote:
I didn't see any announcement, but here = is the discussion on why Lwt is removed from Frenetic:

https://github.com/frenetic-lang/ocaml-openflow/pull/87

________________________________________
From: Rudi Grinberg [rudi.grinbe= rg@gmail.com]
Sent: 01 July 2014 18:35
To: mirageos-devel@l= ists.xenproject.org; Masoud Koleini
Subject: Re: [MirageOS-devel] Lwt is deprecated - Async?

On Tue, 01 Jul 2014 13:28:43 -0400, Masoud Koleini
<Masoud.Koleini@notti= ngham.ac.uk> wrote:

> since Lwt is now deprecated and not actively maintained.

This is news to me. Was there an announcement for this? Last time I looked<= br> Lwt repo was fairly active.


This message and any attachment are intended= solely for the addressee and may contain confidential information. If you = have received this message in error, please send it back to me, and immedia= tely delete it. =C2=A0 Please do not use, copy or disclose the information = contained in this message or in any attachment. =C2=A0Any views or opinions= expressed by the author of this email do not necessarily reflect the views= of the University of Nottingham.

This message has been checked for viruses but the contents of an attachment=
may still contain software viruses which could damage your computer system,= you are advised to perform your own checks. Email communications with the = University of Nottingham may be monitored as permitted by UK legislation.




_____________________________= __________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel

--089e0141a2024ce8f004fd27340e-- --===============1218064234079647710== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1218064234079647710==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 20:04:25 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 20:04:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Hv-0004RG-J6; Tue, 01 Jul 2014 20:04:23 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Hu-0004RB-Mb for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 20:04:22 +0000 Received: from [193.109.254.147:2301] by server-10.bemta-14.messagelabs.com id B2/DC-01431-54413B35; Tue, 01 Jul 2014 20:04:21 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-15.tower-27.messagelabs.com!1404245061!14902256!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14978 invoked from network); 1 Jul 2014 20:04:21 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-15.tower-27.messagelabs.com with SMTP; 1 Jul 2014 20:04:21 -0000 Received: from [172.20.10.2] (188.29.165.31.threembb.co.uk [188.29.165.31]) by smtp.webfaction.com (Postfix) with ESMTP id 2C5A42223E4C; Tue, 1 Jul 2014 20:04:18 +0000 (UTC) Date: Tue, 1 Jul 2014 21:04:15 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Masoud Koleini Message-ID: In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <,> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgbWFyZGksIDEganVpbGxldCAyMDE0IMOgIDIwOjQyLCBNYXNvdWQgS29sZWluaSBhIMOpY3Jp dCA6Cj4gSSBkaWRuJ3Qgc2VlIGFueSBhbm5vdW5jZW1lbnQsIGJ1dCBoZXJlIGlzIHRoZSBkaXNj dXNzaW9uIG9uIHdoeSBMd3QgaXMgcmVtb3ZlZCBmcm9tIEZyZW5ldGljOgo+ICAKPiBodHRwczov L2dpdGh1Yi5jb20vZnJlbmV0aWMtbGFuZy9vY2FtbC1vcGVuZmxvdy9wdWxsLzg3CgpTbyBiYXNp Y2FsbHkgYSBwcm9qZWN0IGRyb3BzIEx3dCBzbyBpdCBtZWFucyB0aGF0IMKrIEx3dCBpcyBub3cg ZGVwcmVjYXRlZCBhbmQgbm90IGFjdGl2ZWx5IG1haW50YWluZWQuIMK7ICAKCllvdSBtYXkgd2Fu dCB0byByZXZpZXcgeW91ciBpbmZlcmVuY2UgZW5naW5lLiAgCgpCZXN0LAoKRGFuaWVsCiAgCgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1Mt ZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdl b3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 20:04:25 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 20:04:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Hv-0004RG-J6; Tue, 01 Jul 2014 20:04:23 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Hu-0004RB-Mb for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 20:04:22 +0000 Received: from [193.109.254.147:2301] by server-10.bemta-14.messagelabs.com id B2/DC-01431-54413B35; Tue, 01 Jul 2014 20:04:21 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-15.tower-27.messagelabs.com!1404245061!14902256!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14978 invoked from network); 1 Jul 2014 20:04:21 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-15.tower-27.messagelabs.com with SMTP; 1 Jul 2014 20:04:21 -0000 Received: from [172.20.10.2] (188.29.165.31.threembb.co.uk [188.29.165.31]) by smtp.webfaction.com (Postfix) with ESMTP id 2C5A42223E4C; Tue, 1 Jul 2014 20:04:18 +0000 (UTC) Date: Tue, 1 Jul 2014 21:04:15 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Masoud Koleini Message-ID: In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <,> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgbWFyZGksIDEganVpbGxldCAyMDE0IMOgIDIwOjQyLCBNYXNvdWQgS29sZWluaSBhIMOpY3Jp dCA6Cj4gSSBkaWRuJ3Qgc2VlIGFueSBhbm5vdW5jZW1lbnQsIGJ1dCBoZXJlIGlzIHRoZSBkaXNj dXNzaW9uIG9uIHdoeSBMd3QgaXMgcmVtb3ZlZCBmcm9tIEZyZW5ldGljOgo+ICAKPiBodHRwczov L2dpdGh1Yi5jb20vZnJlbmV0aWMtbGFuZy9vY2FtbC1vcGVuZmxvdy9wdWxsLzg3CgpTbyBiYXNp Y2FsbHkgYSBwcm9qZWN0IGRyb3BzIEx3dCBzbyBpdCBtZWFucyB0aGF0IMKrIEx3dCBpcyBub3cg ZGVwcmVjYXRlZCBhbmQgbm90IGFjdGl2ZWx5IG1haW50YWluZWQuIMK7ICAKCllvdSBtYXkgd2Fu dCB0byByZXZpZXcgeW91ciBpbmZlcmVuY2UgZW5naW5lLiAgCgpCZXN0LAoKRGFuaWVsCiAgCgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1Mt ZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdl b3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 20:15:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 20:15:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24T0-0005g9-2L; Tue, 01 Jul 2014 20:15:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Sz-0005g3-57 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 20:15:49 +0000 Received: from [193.109.254.147:39590] by server-7.bemta-14.messagelabs.com id 2D/0E-17726-4F613B35; Tue, 01 Jul 2014 20:15:48 +0000 X-Env-Sender: Masoud.Koleini@nottingham.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1404245747!14912379!1 X-Originating-IP: [93.159.202.117] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6568 invoked from network); 1 Jul 2014 20:15:47 -0000 Received: from engine03-20433-11.icritical.com (HELO engine03-20433-11.icritical.com) (93.159.202.117) by server-10.tower-27.messagelabs.com with SMTP; 1 Jul 2014 20:15:47 -0000 Received: (qmail 20942 invoked from network); 1 Jul 2014 20:15:43 -0000 Received: from localhost (127.0.0.1) by engine03-20433-11.icritical.com with SMTP; 1 Jul 2014 20:15:43 -0000 Received: from engine03-20433-11.icritical.com ([127.0.0.1]) by localhost (engine03-20433-11.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 20220-06 for ; Tue, 1 Jul 2014 21:15:35 +0100 (BST) Received: (qmail 20886 invoked by uid 599); 1 Jul 2014 20:15:35 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-11.icritical.com (qpsmtpd/0.28) with ESMTP; Tue, 01 Jul 2014 21:15:35 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X24Sn-0002e3-1h; Tue, 01 Jul 2014 21:15:37 +0100 From: Masoud Koleini To: =?iso-8859-1?Q?Daniel_B=FCnzli?= , Masoud Koleini Date: Tue, 1 Jul 2014 21:13:02 +0100 Thread-Topic: [MirageOS-devel] Lwt is deprecated - Async? Thread-Index: Ac+VZ6nqQsAmmz9AQ/q7IV3r9Sxm9gAATIt7 Message-ID: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE93@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <,> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk>, In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-11.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Yes, that looks right. Any suggestion for making Frenetic, or any Async based code, to interact wi= th Mirage Lwt-based libraries? ________________________________________ From: Daniel B=FCnzli [daniel.buenzli@erratique.ch] Sent: 01 July 2014 21:04 To: Masoud Koleini Cc: Rudi Grinberg; mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? Le mardi, 1 juillet 2014 =E0 20:42, Masoud Koleini a =E9crit : > I didn't see any announcement, but here is the discussion on why Lwt is r= emoved from Frenetic: > > https://github.com/frenetic-lang/ocaml-openflow/pull/87 So basically a project drops Lwt so it means that =AB Lwt is now deprecated= and not actively maintained. =BB You may want to review your inference engine. Best, Daniel This message and any attachment are intended solely for the addressee and m= ay contain confidential information. If you have received this message in e= rror, please send it back to me, and immediately delete it. Please do not= use, copy or disclose the information contained in this message or in any = attachment. Any views or opinions expressed by the author of this email do= not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system,= you are advised to perform your own checks. Email communications with the = University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 20:15:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 20:15:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24T0-0005g9-2L; Tue, 01 Jul 2014 20:15:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24Sz-0005g3-57 for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 20:15:49 +0000 Received: from [193.109.254.147:39590] by server-7.bemta-14.messagelabs.com id 2D/0E-17726-4F613B35; Tue, 01 Jul 2014 20:15:48 +0000 X-Env-Sender: Masoud.Koleini@nottingham.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1404245747!14912379!1 X-Originating-IP: [93.159.202.117] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6568 invoked from network); 1 Jul 2014 20:15:47 -0000 Received: from engine03-20433-11.icritical.com (HELO engine03-20433-11.icritical.com) (93.159.202.117) by server-10.tower-27.messagelabs.com with SMTP; 1 Jul 2014 20:15:47 -0000 Received: (qmail 20942 invoked from network); 1 Jul 2014 20:15:43 -0000 Received: from localhost (127.0.0.1) by engine03-20433-11.icritical.com with SMTP; 1 Jul 2014 20:15:43 -0000 Received: from engine03-20433-11.icritical.com ([127.0.0.1]) by localhost (engine03-20433-11.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 20220-06 for ; Tue, 1 Jul 2014 21:15:35 +0100 (BST) Received: (qmail 20886 invoked by uid 599); 1 Jul 2014 20:15:35 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-11.icritical.com (qpsmtpd/0.28) with ESMTP; Tue, 01 Jul 2014 21:15:35 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X24Sn-0002e3-1h; Tue, 01 Jul 2014 21:15:37 +0100 From: Masoud Koleini To: =?iso-8859-1?Q?Daniel_B=FCnzli?= , Masoud Koleini Date: Tue, 1 Jul 2014 21:13:02 +0100 Thread-Topic: [MirageOS-devel] Lwt is deprecated - Async? Thread-Index: Ac+VZ6nqQsAmmz9AQ/q7IV3r9Sxm9gAATIt7 Message-ID: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE93@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <,> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk>, In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-11.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Yes, that looks right. Any suggestion for making Frenetic, or any Async based code, to interact wi= th Mirage Lwt-based libraries? ________________________________________ From: Daniel B=FCnzli [daniel.buenzli@erratique.ch] Sent: 01 July 2014 21:04 To: Masoud Koleini Cc: Rudi Grinberg; mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? Le mardi, 1 juillet 2014 =E0 20:42, Masoud Koleini a =E9crit : > I didn't see any announcement, but here is the discussion on why Lwt is r= emoved from Frenetic: > > https://github.com/frenetic-lang/ocaml-openflow/pull/87 So basically a project drops Lwt so it means that =AB Lwt is now deprecated= and not actively maintained. =BB You may want to review your inference engine. Best, Daniel This message and any attachment are intended solely for the addressee and m= ay contain confidential information. If you have received this message in e= rror, please send it back to me, and immediately delete it. Please do not= use, copy or disclose the information contained in this message or in any = attachment. Any views or opinions expressed by the author of this email do= not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system,= you are advised to perform your own checks. Email communications with the = University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 20:38:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 20:38:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24p9-0006bT-Jh; Tue, 01 Jul 2014 20:38:43 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24p8-0006bO-JE for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 20:38:42 +0000 Received: from [85.158.143.35:10126] by server-3.bemta-4.messagelabs.com id 78/4A-16194-15C13B35; Tue, 01 Jul 2014 20:38:41 +0000 X-Env-Sender: agarwal1975@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1404247119!14850241!1 X-Originating-IP: [209.85.192.41] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17269 invoked from network); 1 Jul 2014 20:38:40 -0000 Received: from mail-qg0-f41.google.com (HELO mail-qg0-f41.google.com) (209.85.192.41) by server-3.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 20:38:40 -0000 Received: by mail-qg0-f41.google.com with SMTP id i50so3948722qgf.0 for ; Tue, 01 Jul 2014 13:38:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=Ch1lLL5w9wWcxvWTjj0By1Km0pmxLzp6v79HBbX4Nb8=; b=FSbDeC9fJ/L9txFkFaDnfQLTCVt+MKzQDBzMgF8FwH6t2MUJephR2Oim53BQpHUYap 7ZAa9jBKsqyTNP+qU0V6CKrA6VQXHB7Dsww2+KV3pecK6atsCoERw1gGmJOKz9Qi8pU0 oTgfCVr7cGeNMsfP72H66Yg7LUinO0o0lAVOPgyGxM0EBFneYbMy7/gNIE1+RwCtti0q qVaR6IzOsmJa0geyyMTkvLRvM5yjXYqia7EoKWW3w3zLtuEb+ebTxzmFFSANIu5UAYfN BOI9S34K8TLDmj4+VwSFD7O/NypqaxGjAaD58i3gi2/lqNLuEXHu22S1FblMPYhNreFT 7rMw== X-Received: by 10.224.72.13 with SMTP id k13mr77126848qaj.54.1404247119556; Tue, 01 Jul 2014 13:38:39 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.133.78 with HTTP; Tue, 1 Jul 2014 13:38:19 -0700 (PDT) In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE93@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE93@EXCHANGE1.ad.nottingham.ac.uk> From: Ashish Agarwal Date: Tue, 1 Jul 2014 16:38:19 -0400 Message-ID: To: Masoud Koleini Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0592494039593904584==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0592494039593904584== Content-Type: multipart/alternative; boundary=047d7bf160e4bcf8d404fd27c244 --047d7bf160e4bcf8d404fd27c244 Content-Type: text/plain; charset=UTF-8 On Tue, Jul 1, 2014 at 4:13 PM, Masoud Koleini < Masoud.Koleini@nottingham.ac.uk> wrote: Any suggestion for making Frenetic, or any Async based code, to interact > with Mirage Lwt-based libraries? > There is the lwt-async library [1], but I don't know how it is supposed to be used nor whether it is actively being worked on (the last commit was in January). [1] https://github.com/janestreet/lwt-async There is also my Future library [2], but this probably not helpful to you. It doesn't let you use lwt and async together, only lets you abstract over the two. Eventually, you still have to pick one. Also, it has only a tiny bit of features. [2] https://github.com/agarwal/future --047d7bf160e4bcf8d404fd27c244 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On T= ue, Jul 1, 2014 at 4:13 PM, Masoud Koleini <Masoud.Koleini@n= ottingham.ac.uk> wrote:

Any suggestion for making Frenetic, or any Async based code, to interact wi= th Mirage Lwt-based libraries?

There is= the lwt-async library [1], but I don't know how it is supposed to be u= sed nor whether it is actively being worked on (the last commit was in Janu= ary).

There is also my= Future library [2], but this probably not helpful to you. It doesn't l= et you use lwt and async together, only lets you abstract over the two. Eve= ntually, you still have to pick one. Also, it has only a tiny bit of featur= es.

--047d7bf160e4bcf8d404fd27c244-- --===============0592494039593904584== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0592494039593904584==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 01 20:38:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 01 Jul 2014 20:38:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24p9-0006bT-Jh; Tue, 01 Jul 2014 20:38:43 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X24p8-0006bO-JE for mirageos-devel@lists.xenproject.org; Tue, 01 Jul 2014 20:38:42 +0000 Received: from [85.158.143.35:10126] by server-3.bemta-4.messagelabs.com id 78/4A-16194-15C13B35; Tue, 01 Jul 2014 20:38:41 +0000 X-Env-Sender: agarwal1975@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1404247119!14850241!1 X-Originating-IP: [209.85.192.41] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17269 invoked from network); 1 Jul 2014 20:38:40 -0000 Received: from mail-qg0-f41.google.com (HELO mail-qg0-f41.google.com) (209.85.192.41) by server-3.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 1 Jul 2014 20:38:40 -0000 Received: by mail-qg0-f41.google.com with SMTP id i50so3948722qgf.0 for ; Tue, 01 Jul 2014 13:38:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=Ch1lLL5w9wWcxvWTjj0By1Km0pmxLzp6v79HBbX4Nb8=; b=FSbDeC9fJ/L9txFkFaDnfQLTCVt+MKzQDBzMgF8FwH6t2MUJephR2Oim53BQpHUYap 7ZAa9jBKsqyTNP+qU0V6CKrA6VQXHB7Dsww2+KV3pecK6atsCoERw1gGmJOKz9Qi8pU0 oTgfCVr7cGeNMsfP72H66Yg7LUinO0o0lAVOPgyGxM0EBFneYbMy7/gNIE1+RwCtti0q qVaR6IzOsmJa0geyyMTkvLRvM5yjXYqia7EoKWW3w3zLtuEb+ebTxzmFFSANIu5UAYfN BOI9S34K8TLDmj4+VwSFD7O/NypqaxGjAaD58i3gi2/lqNLuEXHu22S1FblMPYhNreFT 7rMw== X-Received: by 10.224.72.13 with SMTP id k13mr77126848qaj.54.1404247119556; Tue, 01 Jul 2014 13:38:39 -0700 (PDT) MIME-Version: 1.0 Received: by 10.229.133.78 with HTTP; Tue, 1 Jul 2014 13:38:19 -0700 (PDT) In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE93@EXCHANGE1.ad.nottingham.ac.uk> References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE92@EXCHANGE1.ad.nottingham.ac.uk> <12C67A1EEC419342AF5E59DA31562C3F0D9039AE93@EXCHANGE1.ad.nottingham.ac.uk> From: Ashish Agarwal Date: Tue, 1 Jul 2014 16:38:19 -0400 Message-ID: To: Masoud Koleini Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0592494039593904584==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0592494039593904584== Content-Type: multipart/alternative; boundary=047d7bf160e4bcf8d404fd27c244 --047d7bf160e4bcf8d404fd27c244 Content-Type: text/plain; charset=UTF-8 On Tue, Jul 1, 2014 at 4:13 PM, Masoud Koleini < Masoud.Koleini@nottingham.ac.uk> wrote: Any suggestion for making Frenetic, or any Async based code, to interact > with Mirage Lwt-based libraries? > There is the lwt-async library [1], but I don't know how it is supposed to be used nor whether it is actively being worked on (the last commit was in January). [1] https://github.com/janestreet/lwt-async There is also my Future library [2], but this probably not helpful to you. It doesn't let you use lwt and async together, only lets you abstract over the two. Eventually, you still have to pick one. Also, it has only a tiny bit of features. [2] https://github.com/agarwal/future --047d7bf160e4bcf8d404fd27c244 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On T= ue, Jul 1, 2014 at 4:13 PM, Masoud Koleini <Masoud.Koleini@n= ottingham.ac.uk> wrote:

Any suggestion for making Frenetic, or any Async based code, to interact wi= th Mirage Lwt-based libraries?

There is= the lwt-async library [1], but I don't know how it is supposed to be u= sed nor whether it is actively being worked on (the last commit was in Janu= ary).

There is also my= Future library [2], but this probably not helpful to you. It doesn't l= et you use lwt and async together, only lets you abstract over the two. Eve= ntually, you still have to pick one. Also, it has only a tiny bit of featur= es.

--047d7bf160e4bcf8d404fd27c244-- --===============0592494039593904584== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0592494039593904584==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 08:04:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 08:04:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FWM-00066E-NY; Wed, 02 Jul 2014 08:04:02 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FWL-000668-RP for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 08:04:02 +0000 Received: from [85.158.143.35:62992] by server-2.bemta-4.messagelabs.com id C0/6F-06539-1FCB3B35; Wed, 02 Jul 2014 08:04:01 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-21.messagelabs.com!1404288240!15281341!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29960 invoked from network); 2 Jul 2014 08:04:00 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-8.tower-21.messagelabs.com with SMTP; 2 Jul 2014 08:04:00 -0000 Received: (qmail 11517 invoked by uid 634); 2 Jul 2014 08:03:59 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297639.home.otenet.gr (HELO [10.100.22.69]) (85.73.210.69) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 02 Jul 2014 09:03:59 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> Date: Wed, 2 Jul 2014 10:46:43 +0300 Message-Id: References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> To: Masoud Koleini X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 20:28, Masoud Koleini wrote: > Hi All, > > I am working on porting Frenetic OpenFlow to Mirage. Recently, Frenetic has replaced Lwt library with Async, since Lwt is now deprecated and not actively maintained. > > Is there any plan to support Async in future Mirage developments? Do you have any suggestion to make Frenetic, or any Async based code, to interact with Mirage Lwt-based libraries? Hi Masoud, Great to hear that you're porting Frenetic to Mirage! We've been making steady progress on porting Async to the Xen backend, but it's still going to take some time to complete. Here's the steps: - Lwt splits out the logical threading core (the Lwt module) and the Unix-specific execution portions (Lwt_unix). Async needs to be restructured along similar lines, which has already begun: there is a Core_kernel that is Unix-independent and is used by our Irmin db. There is also an Async_kernel. - An Async_xen needs to be written which implements the subset of Async_unix functionality necessary to drive traffic. Async_unix is much bigger than Lwt_unix, so finding a viable subset is important (for instance, Async_unix.Reader and Async_xen.Reader need to have a similar module type, but cannot be exactly the same). - Frenetic needs to use Async_kernel in the OS-independent portions, instead of using Async (which packs in both Async_kernel and Async_unix). In the short term, it's worth porting the low-level protocol portions first, for instance the Openflow switch logic. Haris did some of this last year, so it's worth figuring out the differences between that Openflow switch and the Frenetic interfaces, and ensuring that they are compatible. A Mirage OpenFlow switch, with a controller running in a Unix VM (perhaps connected via vchan) is something that wouldn't take too long to build, and doesn't require the full Async port to be completed since the controller could run under Unix for now. Let me know if this e-mail made any sense, Masoud :-) Happy to clarify further. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 08:04:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 08:04:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FWM-00066E-NY; Wed, 02 Jul 2014 08:04:02 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FWL-000668-RP for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 08:04:02 +0000 Received: from [85.158.143.35:62992] by server-2.bemta-4.messagelabs.com id C0/6F-06539-1FCB3B35; Wed, 02 Jul 2014 08:04:01 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-21.messagelabs.com!1404288240!15281341!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29960 invoked from network); 2 Jul 2014 08:04:00 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-8.tower-21.messagelabs.com with SMTP; 2 Jul 2014 08:04:00 -0000 Received: (qmail 11517 invoked by uid 634); 2 Jul 2014 08:03:59 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297639.home.otenet.gr (HELO [10.100.22.69]) (85.73.210.69) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 02 Jul 2014 09:03:59 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> Date: Wed, 2 Jul 2014 10:46:43 +0300 Message-Id: References: <12C67A1EEC419342AF5E59DA31562C3F0D9039AE90@EXCHANGE1.ad.nottingham.ac.uk> To: Masoud Koleini X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt is deprecated - Async? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 20:28, Masoud Koleini wrote: > Hi All, > > I am working on porting Frenetic OpenFlow to Mirage. Recently, Frenetic has replaced Lwt library with Async, since Lwt is now deprecated and not actively maintained. > > Is there any plan to support Async in future Mirage developments? Do you have any suggestion to make Frenetic, or any Async based code, to interact with Mirage Lwt-based libraries? Hi Masoud, Great to hear that you're porting Frenetic to Mirage! We've been making steady progress on porting Async to the Xen backend, but it's still going to take some time to complete. Here's the steps: - Lwt splits out the logical threading core (the Lwt module) and the Unix-specific execution portions (Lwt_unix). Async needs to be restructured along similar lines, which has already begun: there is a Core_kernel that is Unix-independent and is used by our Irmin db. There is also an Async_kernel. - An Async_xen needs to be written which implements the subset of Async_unix functionality necessary to drive traffic. Async_unix is much bigger than Lwt_unix, so finding a viable subset is important (for instance, Async_unix.Reader and Async_xen.Reader need to have a similar module type, but cannot be exactly the same). - Frenetic needs to use Async_kernel in the OS-independent portions, instead of using Async (which packs in both Async_kernel and Async_unix). In the short term, it's worth porting the low-level protocol portions first, for instance the Openflow switch logic. Haris did some of this last year, so it's worth figuring out the differences between that Openflow switch and the Frenetic interfaces, and ensuring that they are compatible. A Mirage OpenFlow switch, with a controller running in a Unix VM (perhaps connected via vchan) is something that wouldn't take too long to build, and doesn't require the full Async port to be completed since the controller could run under Unix for now. Let me know if this e-mail made any sense, Masoud :-) Happy to clarify further. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 08:05:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 08:05:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FXQ-00067q-Ur; Wed, 02 Jul 2014 08:05:08 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FXP-00067l-Rc for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 08:05:08 +0000 Received: from [85.158.143.35:60365] by server-2.bemta-4.messagelabs.com id 4C/42-06539-33DB3B35; Wed, 02 Jul 2014 08:05:07 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-12.tower-21.messagelabs.com!1404288306!15270169!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29748 invoked from network); 2 Jul 2014 08:05:06 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-12.tower-21.messagelabs.com with SMTP; 2 Jul 2014 08:05:06 -0000 Received: (qmail 2239 invoked by uid 634); 2 Jul 2014 08:05:06 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297639.home.otenet.gr (HELO [10.100.22.69]) (85.73.210.69) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 02 Jul 2014 09:05:06 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 2 Jul 2014 11:02:43 +0300 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 22:53, Thomas Leonard wrote: > I've got printing of floating point values working now on ARM, but > while testing I discovered it crashes on x86. > > This turned out to be unrelated to OCaml or Mirage. It seems that > passing a double argument to any varargs function causes a crash on > x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some > light on what might cause that? x86 is a mystery to me. First thing to check is that %rsp stack alignment is valid when you enter the function, as it's required to be 16-byte aligned by the x86_64 ABI if you're using the XMM registers. An ancient diff in our local MiniOS that fixed one instance of this is below. (I can't reproduce this instantly to give you a more precise diagnosis as I'm travelling at the moment, apologies!) -anil commit c185b18d3e1809257d6b5dcba1bd258ec77565e1 Author: Anil Madhavapeddy Date: Wed Jul 21 16:59:24 2010 +0100 fix a nasty stack misalignment problem when executing code inside an event handler. The irq stack xen injects is only 8 byte aligned instead of 16, and so eventually any varargs call Just adjust %esp directly in the callback to deal with this case. diff --git a/runtime/kernel/hypervisor.c b/runtime/kernel/hypervisor.c index 9f628c4..19c2134 100644 --- a/runtime/kernel/hypervisor.c +++ b/runtime/kernel/hypervisor.c @@ -46,6 +46,11 @@ void do_hypervisor_callback(struct pt_regs *regs) in_callback = 1; + /* Adjust the stack to be 16-byte aligned, so that functions + called from an event callback will respect the x86_64 ABI. + The Xen IRQ injection is only 8-bytes */ + asm("andl $0xfffffff0, %esp"); + vcpu_info->evtchn_upcall_pending = 0; /* NB x86. No need for a barrier here -- XCHG is a barrier on x86. */ l1 = xchg(&vcpu_info->evtchn_pending_sel, 0); @@ -60,7 +65,7 @@ void do_hypervisor_callback(struct pt_regs *regs) l2 &= ~(1UL << l2i); port = (l1i * (sizeof(unsigned long) * 8)) + l2i; - do_event(port, regs); + do_event(port, regs); } } _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 08:05:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 08:05:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FXQ-00067q-Ur; Wed, 02 Jul 2014 08:05:08 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2FXP-00067l-Rc for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 08:05:08 +0000 Received: from [85.158.143.35:60365] by server-2.bemta-4.messagelabs.com id 4C/42-06539-33DB3B35; Wed, 02 Jul 2014 08:05:07 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-12.tower-21.messagelabs.com!1404288306!15270169!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29748 invoked from network); 2 Jul 2014 08:05:06 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-12.tower-21.messagelabs.com with SMTP; 2 Jul 2014 08:05:06 -0000 Received: (qmail 2239 invoked by uid 634); 2 Jul 2014 08:05:06 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297639.home.otenet.gr (HELO [10.100.22.69]) (85.73.210.69) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 02 Jul 2014 09:05:06 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 2 Jul 2014 11:02:43 +0300 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 1 Jul 2014, at 22:53, Thomas Leonard wrote: > I've got printing of floating point values working now on ARM, but > while testing I discovered it crashes on x86. > > This turned out to be unrelated to OCaml or Mirage. It seems that > passing a double argument to any varargs function causes a crash on > x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some > light on what might cause that? x86 is a mystery to me. First thing to check is that %rsp stack alignment is valid when you enter the function, as it's required to be 16-byte aligned by the x86_64 ABI if you're using the XMM registers. An ancient diff in our local MiniOS that fixed one instance of this is below. (I can't reproduce this instantly to give you a more precise diagnosis as I'm travelling at the moment, apologies!) -anil commit c185b18d3e1809257d6b5dcba1bd258ec77565e1 Author: Anil Madhavapeddy Date: Wed Jul 21 16:59:24 2010 +0100 fix a nasty stack misalignment problem when executing code inside an event handler. The irq stack xen injects is only 8 byte aligned instead of 16, and so eventually any varargs call Just adjust %esp directly in the callback to deal with this case. diff --git a/runtime/kernel/hypervisor.c b/runtime/kernel/hypervisor.c index 9f628c4..19c2134 100644 --- a/runtime/kernel/hypervisor.c +++ b/runtime/kernel/hypervisor.c @@ -46,6 +46,11 @@ void do_hypervisor_callback(struct pt_regs *regs) in_callback = 1; + /* Adjust the stack to be 16-byte aligned, so that functions + called from an event callback will respect the x86_64 ABI. + The Xen IRQ injection is only 8-bytes */ + asm("andl $0xfffffff0, %esp"); + vcpu_info->evtchn_upcall_pending = 0; /* NB x86. No need for a barrier here -- XCHG is a barrier on x86. */ l1 = xchg(&vcpu_info->evtchn_pending_sel, 0); @@ -60,7 +65,7 @@ void do_hypervisor_callback(struct pt_regs *regs) l2 &= ~(1UL << l2i); port = (l1i * (sizeof(unsigned long) * 8)) + l2i; - do_event(port, regs); + do_event(port, regs); } } _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 10:04:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 10:04:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2HP2-00055N-7p; Wed, 02 Jul 2014 10:04:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2HP1-00054z-3a for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 10:04:35 +0000 Received: from [193.109.254.147:26089] by server-15.bemta-14.messagelabs.com id A0/C3-15813-239D3B35; Wed, 02 Jul 2014 10:04:34 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1404295472!15015890!1 X-Originating-IP: [209.85.219.45] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10268 invoked from network); 2 Jul 2014 10:04:33 -0000 Received: from mail-oa0-f45.google.com (HELO mail-oa0-f45.google.com) (209.85.219.45) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 2 Jul 2014 10:04:33 -0000 Received: by mail-oa0-f45.google.com with SMTP id o6so11921448oag.4 for ; Wed, 02 Jul 2014 03:04:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=CysavAuYqv7yTgxoRaX0VNlYpxUiL98yhWd8/0DJ7Ew=; b=L5BXkmsMTc+VSr30V/S9pHoZG+f+M20Owys4tph48/WIUpjmVON0IPjpbII6t1Cek6 Dd0zQsDT3TZTqxfNfDMtD+KyeWTVY+RW1gt2X3UWaTNaByDouELNjX7FCahGXtn+pk1p eL39MDvxULWfKmjI+QVjyx2giSMF8za8VX9BTU1zfqyQMjwKEC0kfzH8RFO8XgH30ZvO scRuMKI3hm+uZhOmdgAiDCB0Lr7GzxeNcb060cir7yulnl4r4G8vC31MpgPygWx/8f6z IwMpRe34RAbyxZvnBJJFT8LeQvooqJusBThevDqpKUAxUqsW9nsCXdn13I8S+GFw0FPe JtUw== MIME-Version: 1.0 X-Received: by 10.182.138.65 with SMTP id qo1mr56753190obb.9.1404295471713; Wed, 02 Jul 2014 03:04:31 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 2 Jul 2014 03:04:31 -0700 (PDT) In-Reply-To: References: Date: Wed, 2 Jul 2014 11:04:31 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 July 2014 09:02, Anil Madhavapeddy wrote: > On 1 Jul 2014, at 22:53, Thomas Leonard wrote: > >> I've got printing of floating point values working now on ARM, but >> while testing I discovered it crashes on x86. >> >> This turned out to be unrelated to OCaml or Mirage. It seems that >> passing a double argument to any varargs function causes a crash on >> x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some >> light on what might cause that? x86 is a mystery to me. > > First thing to check is that %rsp stack alignment is valid when you > enter the function, as it's required to be 16-byte aligned by the > x86_64 ABI if you're using the XMM registers. > > An ancient diff in our local MiniOS that fixed one instance of this > is below. (I can't reproduce this instantly to give you a more precise > diagnosis as I'm travelling at the moment, apologies!) Ah, that was indeed the problem. I changed the x86 arch_create_thread to skip 8 bytes and now it works! Though, it seemed that it *was* 16-byte aligned before, and is now off by 8 bytes, which I don't understand. I'll send the patch to xen-devel and they can decide if it's the right fix. Thanks! > -anil > > > commit c185b18d3e1809257d6b5dcba1bd258ec77565e1 > Author: Anil Madhavapeddy > Date: Wed Jul 21 16:59:24 2010 +0100 > > fix a nasty stack misalignment problem when executing code inside an event handler. > The irq stack xen injects is only 8 byte aligned instead of 16, and so eventually any varargs call > Just adjust %esp directly in the callback to deal with this case. > > diff --git a/runtime/kernel/hypervisor.c b/runtime/kernel/hypervisor.c > index 9f628c4..19c2134 100644 > --- a/runtime/kernel/hypervisor.c > +++ b/runtime/kernel/hypervisor.c > @@ -46,6 +46,11 @@ void do_hypervisor_callback(struct pt_regs *regs) > > in_callback = 1; > > + /* Adjust the stack to be 16-byte aligned, so that functions > + called from an event callback will respect the x86_64 ABI. > + The Xen IRQ injection is only 8-bytes */ > + asm("andl $0xfffffff0, %esp"); > + > vcpu_info->evtchn_upcall_pending = 0; > /* NB x86. No need for a barrier here -- XCHG is a barrier on x86. */ > l1 = xchg(&vcpu_info->evtchn_pending_sel, 0); > @@ -60,7 +65,7 @@ void do_hypervisor_callback(struct pt_regs *regs) > l2 &= ~(1UL << l2i); > > port = (l1i * (sizeof(unsigned long) * 8)) + l2i; > - do_event(port, regs); > + do_event(port, regs); > } > } > > > -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 10:04:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 10:04:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2HP2-00055N-7p; Wed, 02 Jul 2014 10:04:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2HP1-00054z-3a for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 10:04:35 +0000 Received: from [193.109.254.147:26089] by server-15.bemta-14.messagelabs.com id A0/C3-15813-239D3B35; Wed, 02 Jul 2014 10:04:34 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1404295472!15015890!1 X-Originating-IP: [209.85.219.45] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10268 invoked from network); 2 Jul 2014 10:04:33 -0000 Received: from mail-oa0-f45.google.com (HELO mail-oa0-f45.google.com) (209.85.219.45) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 2 Jul 2014 10:04:33 -0000 Received: by mail-oa0-f45.google.com with SMTP id o6so11921448oag.4 for ; Wed, 02 Jul 2014 03:04:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=CysavAuYqv7yTgxoRaX0VNlYpxUiL98yhWd8/0DJ7Ew=; b=L5BXkmsMTc+VSr30V/S9pHoZG+f+M20Owys4tph48/WIUpjmVON0IPjpbII6t1Cek6 Dd0zQsDT3TZTqxfNfDMtD+KyeWTVY+RW1gt2X3UWaTNaByDouELNjX7FCahGXtn+pk1p eL39MDvxULWfKmjI+QVjyx2giSMF8za8VX9BTU1zfqyQMjwKEC0kfzH8RFO8XgH30ZvO scRuMKI3hm+uZhOmdgAiDCB0Lr7GzxeNcb060cir7yulnl4r4G8vC31MpgPygWx/8f6z IwMpRe34RAbyxZvnBJJFT8LeQvooqJusBThevDqpKUAxUqsW9nsCXdn13I8S+GFw0FPe JtUw== MIME-Version: 1.0 X-Received: by 10.182.138.65 with SMTP id qo1mr56753190obb.9.1404295471713; Wed, 02 Jul 2014 03:04:31 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 2 Jul 2014 03:04:31 -0700 (PDT) In-Reply-To: References: Date: Wed, 2 Jul 2014 11:04:31 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 July 2014 09:02, Anil Madhavapeddy wrote: > On 1 Jul 2014, at 22:53, Thomas Leonard wrote: > >> I've got printing of floating point values working now on ARM, but >> while testing I discovered it crashes on x86. >> >> This turned out to be unrelated to OCaml or Mirage. It seems that >> passing a double argument to any varargs function causes a crash on >> x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some >> light on what might cause that? x86 is a mystery to me. > > First thing to check is that %rsp stack alignment is valid when you > enter the function, as it's required to be 16-byte aligned by the > x86_64 ABI if you're using the XMM registers. > > An ancient diff in our local MiniOS that fixed one instance of this > is below. (I can't reproduce this instantly to give you a more precise > diagnosis as I'm travelling at the moment, apologies!) Ah, that was indeed the problem. I changed the x86 arch_create_thread to skip 8 bytes and now it works! Though, it seemed that it *was* 16-byte aligned before, and is now off by 8 bytes, which I don't understand. I'll send the patch to xen-devel and they can decide if it's the right fix. Thanks! > -anil > > > commit c185b18d3e1809257d6b5dcba1bd258ec77565e1 > Author: Anil Madhavapeddy > Date: Wed Jul 21 16:59:24 2010 +0100 > > fix a nasty stack misalignment problem when executing code inside an event handler. > The irq stack xen injects is only 8 byte aligned instead of 16, and so eventually any varargs call > Just adjust %esp directly in the callback to deal with this case. > > diff --git a/runtime/kernel/hypervisor.c b/runtime/kernel/hypervisor.c > index 9f628c4..19c2134 100644 > --- a/runtime/kernel/hypervisor.c > +++ b/runtime/kernel/hypervisor.c > @@ -46,6 +46,11 @@ void do_hypervisor_callback(struct pt_regs *regs) > > in_callback = 1; > > + /* Adjust the stack to be 16-byte aligned, so that functions > + called from an event callback will respect the x86_64 ABI. > + The Xen IRQ injection is only 8-bytes */ > + asm("andl $0xfffffff0, %esp"); > + > vcpu_info->evtchn_upcall_pending = 0; > /* NB x86. No need for a barrier here -- XCHG is a barrier on x86. */ > l1 = xchg(&vcpu_info->evtchn_pending_sel, 0); > @@ -60,7 +65,7 @@ void do_hypervisor_callback(struct pt_regs *regs) > l2 &= ~(1UL << l2i); > > port = (l1i * (sizeof(unsigned long) * 8)) + l2i; > - do_event(port, regs); > + do_event(port, regs); > } > } > > > -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 11:45:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 11:45:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2Iyv-0001ow-GU; Wed, 02 Jul 2014 11:45:45 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2Iyt-0001on-Cg for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 11:45:43 +0000 Received: from [85.158.139.211:35927] by server-17.bemta-5.messagelabs.com id 66/60-08711-6E0F3B35; Wed, 02 Jul 2014 11:45:42 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-206.messagelabs.com!1404301541!5644702!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21569 invoked from network); 2 Jul 2014 11:45:41 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-3.tower-206.messagelabs.com with SMTP; 2 Jul 2014 11:45:41 -0000 Received: (qmail 27937 invoked by uid 634); 2 Jul 2014 11:45:41 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297293.home.otenet.gr (HELO [10.100.22.69]) (85.73.208.235) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 02 Jul 2014 12:45:40 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 2 Jul 2014 14:45:23 +0300 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 Jul 2014, at 13:04, Thomas Leonard wrote: > On 2 July 2014 09:02, Anil Madhavapeddy wrote: >> On 1 Jul 2014, at 22:53, Thomas Leonard wrote: >> >>> I've got printing of floating point values working now on ARM, but >>> while testing I discovered it crashes on x86. >>> >>> This turned out to be unrelated to OCaml or Mirage. It seems that >>> passing a double argument to any varargs function causes a crash on >>> x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some >>> light on what might cause that? x86 is a mystery to me. >> >> First thing to check is that %rsp stack alignment is valid when you >> enter the function, as it's required to be 16-byte aligned by the >> x86_64 ABI if you're using the XMM registers. >> >> An ancient diff in our local MiniOS that fixed one instance of this >> is below. (I can't reproduce this instantly to give you a more precise >> diagnosis as I'm travelling at the moment, apologies!) > > Ah, that was indeed the problem. I changed the x86 arch_create_thread > to skip 8 bytes and now it works! > > Though, it seemed that it *was* 16-byte aligned before, and is now off > by 8 bytes, which I don't understand. I'll send the patch to xen-devel > and they can decide if it's the right fix. Stack misalignment is the bug that keeps on giving. It's really easy for an unrelated change to misalign the stack under some conditions, and to not notice until a future 16-byte alignment operation happens. Found several of these in OCaml as well... http://caml.inria.fr/mantis/view.php?id=5700 http://caml.inria.fr/mantis/view.php?id=6038 Incidentally, I notice that the thread machinery in MiniOS is now active again. I removed it from our MiniOS on the basis that it wasn't used (but there's no harm in leaving it there now). But that might explain why the issue cropped up again, as I never tested that code path in upstream MiniOS. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 11:45:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 11:45:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2Iyv-0001ow-GU; Wed, 02 Jul 2014 11:45:45 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2Iyt-0001on-Cg for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 11:45:43 +0000 Received: from [85.158.139.211:35927] by server-17.bemta-5.messagelabs.com id 66/60-08711-6E0F3B35; Wed, 02 Jul 2014 11:45:42 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-206.messagelabs.com!1404301541!5644702!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21569 invoked from network); 2 Jul 2014 11:45:41 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-3.tower-206.messagelabs.com with SMTP; 2 Jul 2014 11:45:41 -0000 Received: (qmail 27937 invoked by uid 634); 2 Jul 2014 11:45:41 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from athedsl-297293.home.otenet.gr (HELO [10.100.22.69]) (85.73.208.235) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 02 Jul 2014 12:45:40 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 2 Jul 2014 14:45:23 +0300 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 Jul 2014, at 13:04, Thomas Leonard wrote: > On 2 July 2014 09:02, Anil Madhavapeddy wrote: >> On 1 Jul 2014, at 22:53, Thomas Leonard wrote: >> >>> I've got printing of floating point values working now on ARM, but >>> while testing I discovered it crashes on x86. >>> >>> This turned out to be unrelated to OCaml or Mirage. It seems that >>> passing a double argument to any varargs function causes a crash on >>> x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some >>> light on what might cause that? x86 is a mystery to me. >> >> First thing to check is that %rsp stack alignment is valid when you >> enter the function, as it's required to be 16-byte aligned by the >> x86_64 ABI if you're using the XMM registers. >> >> An ancient diff in our local MiniOS that fixed one instance of this >> is below. (I can't reproduce this instantly to give you a more precise >> diagnosis as I'm travelling at the moment, apologies!) > > Ah, that was indeed the problem. I changed the x86 arch_create_thread > to skip 8 bytes and now it works! > > Though, it seemed that it *was* 16-byte aligned before, and is now off > by 8 bytes, which I don't understand. I'll send the patch to xen-devel > and they can decide if it's the right fix. Stack misalignment is the bug that keeps on giving. It's really easy for an unrelated change to misalign the stack under some conditions, and to not notice until a future 16-byte alignment operation happens. Found several of these in OCaml as well... http://caml.inria.fr/mantis/view.php?id=5700 http://caml.inria.fr/mantis/view.php?id=6038 Incidentally, I notice that the thread machinery in MiniOS is now active again. I removed it from our MiniOS on the basis that it wasn't used (but there's no harm in leaving it there now). But that might explain why the issue cropped up again, as I never tested that code path in upstream MiniOS. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 12:53:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 12:53:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2K2r-0006BG-45; Wed, 02 Jul 2014 12:53:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2K1T-0006Al-C3 for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 12:52:27 +0000 Received: from [85.158.137.68:60760] by server-13.bemta-3.messagelabs.com id 4C/58-20015-A8004B35; Wed, 02 Jul 2014 12:52:26 +0000 X-Env-Sender: pierre.chambart@ocamlpro.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1404305545!13530733!1 X-Originating-IP: [138.231.136.39] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26712 invoked from network); 2 Jul 2014 12:52:26 -0000 Received: from redisdead.crans.org (HELO redisdead.crans.org) (138.231.136.39) by server-2.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 2 Jul 2014 12:52:26 -0000 Received: from [192.168.1.132] (perens.inria.fr [128.93.60.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by redisdead.crans.org (Postfix) with ESMTPSA id D1EBD94F; Wed, 2 Jul 2014 14:52:24 +0200 (CEST) Message-ID: <53B40088.40303@ocamlpro.com> Date: Wed, 02 Jul 2014 14:52:24 +0200 From: Pierre Chambart Organization: OcamlPro User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.0 MIME-Version: 1.0 To: Anil Madhavapeddy , Malcolm Matalka References: <87fvimpzpf.fsf@gmail.com> In-Reply-To: X-Mailman-Approved-At: Wed, 02 Jul 2014 12:53:51 +0000 Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Whole Program Optimization in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 01/07/2014 10:14, Anil Madhavapeddy wrote: > (no pressure, Pierre :-) None taken ;) By the way, I can't help to remind that I enjoy a lot receiving segfaults reports. If any of you have some spare time to prove that my branch fail miserably: opam repository add -k git chambart https://github.com/chambart/opam-compilers-repository.git opam switch install 4.01.0+flambda opam install ... ./your_project ... segfault ... In fact this is not that unstable (as long as you don't 'export EXPERIMENTS=true') anymore. Thank you for your time ! -- Pierre _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 12:53:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 12:53:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2K2r-0006BG-45; Wed, 02 Jul 2014 12:53:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2K1T-0006Al-C3 for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 12:52:27 +0000 Received: from [85.158.137.68:60760] by server-13.bemta-3.messagelabs.com id 4C/58-20015-A8004B35; Wed, 02 Jul 2014 12:52:26 +0000 X-Env-Sender: pierre.chambart@ocamlpro.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1404305545!13530733!1 X-Originating-IP: [138.231.136.39] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26712 invoked from network); 2 Jul 2014 12:52:26 -0000 Received: from redisdead.crans.org (HELO redisdead.crans.org) (138.231.136.39) by server-2.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 2 Jul 2014 12:52:26 -0000 Received: from [192.168.1.132] (perens.inria.fr [128.93.60.79]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by redisdead.crans.org (Postfix) with ESMTPSA id D1EBD94F; Wed, 2 Jul 2014 14:52:24 +0200 (CEST) Message-ID: <53B40088.40303@ocamlpro.com> Date: Wed, 02 Jul 2014 14:52:24 +0200 From: Pierre Chambart Organization: OcamlPro User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.0 MIME-Version: 1.0 To: Anil Madhavapeddy , Malcolm Matalka References: <87fvimpzpf.fsf@gmail.com> In-Reply-To: X-Mailman-Approved-At: Wed, 02 Jul 2014 12:53:51 +0000 Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Whole Program Optimization in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 01/07/2014 10:14, Anil Madhavapeddy wrote: > (no pressure, Pierre :-) None taken ;) By the way, I can't help to remind that I enjoy a lot receiving segfaults reports. If any of you have some spare time to prove that my branch fail miserably: opam repository add -k git chambart https://github.com/chambart/opam-compilers-repository.git opam switch install 4.01.0+flambda opam install ... ./your_project ... segfault ... In fact this is not that unstable (as long as you don't 'export EXPERIMENTS=true') anymore. Thank you for your time ! -- Pierre _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 14:22:29 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 14:22:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LQW-00076O-61; Wed, 02 Jul 2014 14:22:24 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LQU-000766-8m for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 14:22:22 +0000 Received: from [85.158.143.35:7902] by server-3.bemta-4.messagelabs.com id EC/07-16194-D9514B35; Wed, 02 Jul 2014 14:22:21 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1404310939!15390372!1 X-Originating-IP: [209.85.214.177] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28223 invoked from network); 2 Jul 2014 14:22:20 -0000 Received: from mail-ob0-f177.google.com (HELO mail-ob0-f177.google.com) (209.85.214.177) by server-15.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 2 Jul 2014 14:22:20 -0000 Received: by mail-ob0-f177.google.com with SMTP id uy5so11917281obc.36 for ; Wed, 02 Jul 2014 07:22:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ar50ublzBE7SH17OJQi48MQG8rwEtJhcqtVDtCPI4H0=; b=OFrCGhvWXWt3BaLejaYBVuMfrpmEvXRkf6gERV40pUqDfjtjWET0vaEWYstxnm8gtd liX53zGzgaBbnw7SVKszvzHNwxglFOUvjsxcnnvxHSFDH8pDZXmfGv6SpoT9HZMjk6J+ DCQ3vbYTHZGcAJvk63PJvL6cQQvYevX83SQNYei1zJx8AE60gUEV/VIjt5s5FKxFO7DK peQBiczFN+S1PXU1FAy7JbrNKg3RgpC1lrx0lyHoqY14ZZRUZoL3WZDtedPJtyoMAbTl RC8aMutq6coKtzRizrygD1Og79uQ+YFyN6SuHYH/zGpVElN6NshmwKQP3MN5HD0oOMg6 DqAg== MIME-Version: 1.0 X-Received: by 10.182.81.99 with SMTP id z3mr18521103obx.79.1404310939262; Wed, 02 Jul 2014 07:22:19 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 2 Jul 2014 07:22:19 -0700 (PDT) In-Reply-To: References: Date: Wed, 2 Jul 2014 15:22:19 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 July 2014 12:45, Anil Madhavapeddy wrote: > On 2 Jul 2014, at 13:04, Thomas Leonard wrote: > >> On 2 July 2014 09:02, Anil Madhavapeddy wrote: >>> On 1 Jul 2014, at 22:53, Thomas Leonard wrote: >>> >>>> I've got printing of floating point values working now on ARM, but >>>> while testing I discovered it crashes on x86. >>>> >>>> This turned out to be unrelated to OCaml or Mirage. It seems that >>>> passing a double argument to any varargs function causes a crash on >>>> x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some >>>> light on what might cause that? x86 is a mystery to me. >>> >>> First thing to check is that %rsp stack alignment is valid when you >>> enter the function, as it's required to be 16-byte aligned by the >>> x86_64 ABI if you're using the XMM registers. >>> >>> An ancient diff in our local MiniOS that fixed one instance of this >>> is below. (I can't reproduce this instantly to give you a more precise >>> diagnosis as I'm travelling at the moment, apologies!) >> >> Ah, that was indeed the problem. I changed the x86 arch_create_thread >> to skip 8 bytes and now it works! >> >> Though, it seemed that it *was* 16-byte aligned before, and is now off >> by 8 bytes, which I don't understand. I'll send the patch to xen-devel >> and they can decide if it's the right fix. > > Stack misalignment is the bug that keeps on giving. It's really easy > for an unrelated change to misalign the stack under some conditions, and > to not notice until a future 16-byte alignment operation happens. > > Found several of these in OCaml as well... > http://caml.inria.fr/mantis/view.php?id=5700 > http://caml.inria.fr/mantis/view.php?id=6038 > > Incidentally, I notice that the thread machinery in MiniOS is now active > again. I removed it from our MiniOS on the basis that it wasn't used > (but there's no harm in leaving it there now). But that might explain > why the issue cropped up again, as I never tested that code path in > upstream MiniOS. I've removed it again now (mirage-platform now overrides Mini-OS's start_kernel). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 14:22:29 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 14:22:29 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LQW-00076O-61; Wed, 02 Jul 2014 14:22:24 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LQU-000766-8m for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 14:22:22 +0000 Received: from [85.158.143.35:7902] by server-3.bemta-4.messagelabs.com id EC/07-16194-D9514B35; Wed, 02 Jul 2014 14:22:21 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1404310939!15390372!1 X-Originating-IP: [209.85.214.177] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28223 invoked from network); 2 Jul 2014 14:22:20 -0000 Received: from mail-ob0-f177.google.com (HELO mail-ob0-f177.google.com) (209.85.214.177) by server-15.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 2 Jul 2014 14:22:20 -0000 Received: by mail-ob0-f177.google.com with SMTP id uy5so11917281obc.36 for ; Wed, 02 Jul 2014 07:22:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=ar50ublzBE7SH17OJQi48MQG8rwEtJhcqtVDtCPI4H0=; b=OFrCGhvWXWt3BaLejaYBVuMfrpmEvXRkf6gERV40pUqDfjtjWET0vaEWYstxnm8gtd liX53zGzgaBbnw7SVKszvzHNwxglFOUvjsxcnnvxHSFDH8pDZXmfGv6SpoT9HZMjk6J+ DCQ3vbYTHZGcAJvk63PJvL6cQQvYevX83SQNYei1zJx8AE60gUEV/VIjt5s5FKxFO7DK peQBiczFN+S1PXU1FAy7JbrNKg3RgpC1lrx0lyHoqY14ZZRUZoL3WZDtedPJtyoMAbTl RC8aMutq6coKtzRizrygD1Og79uQ+YFyN6SuHYH/zGpVElN6NshmwKQP3MN5HD0oOMg6 DqAg== MIME-Version: 1.0 X-Received: by 10.182.81.99 with SMTP id z3mr18521103obx.79.1404310939262; Wed, 02 Jul 2014 07:22:19 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 2 Jul 2014 07:22:19 -0700 (PDT) In-Reply-To: References: Date: Wed, 2 Jul 2014 15:22:19 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Crash on x86 with doubles X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 July 2014 12:45, Anil Madhavapeddy wrote: > On 2 Jul 2014, at 13:04, Thomas Leonard wrote: > >> On 2 July 2014 09:02, Anil Madhavapeddy wrote: >>> On 1 Jul 2014, at 22:53, Thomas Leonard wrote: >>> >>>> I've got printing of floating point values working now on ARM, but >>>> while testing I discovered it crashes on x86. >>>> >>>> This turned out to be unrelated to OCaml or Mirage. It seems that >>>> passing a double argument to any varargs function causes a crash on >>>> x86_64 if done from a Mini-OS thread. Can any x86 gurus here shed some >>>> light on what might cause that? x86 is a mystery to me. >>> >>> First thing to check is that %rsp stack alignment is valid when you >>> enter the function, as it's required to be 16-byte aligned by the >>> x86_64 ABI if you're using the XMM registers. >>> >>> An ancient diff in our local MiniOS that fixed one instance of this >>> is below. (I can't reproduce this instantly to give you a more precise >>> diagnosis as I'm travelling at the moment, apologies!) >> >> Ah, that was indeed the problem. I changed the x86 arch_create_thread >> to skip 8 bytes and now it works! >> >> Though, it seemed that it *was* 16-byte aligned before, and is now off >> by 8 bytes, which I don't understand. I'll send the patch to xen-devel >> and they can decide if it's the right fix. > > Stack misalignment is the bug that keeps on giving. It's really easy > for an unrelated change to misalign the stack under some conditions, and > to not notice until a future 16-byte alignment operation happens. > > Found several of these in OCaml as well... > http://caml.inria.fr/mantis/view.php?id=5700 > http://caml.inria.fr/mantis/view.php?id=6038 > > Incidentally, I notice that the thread machinery in MiniOS is now active > again. I removed it from our MiniOS on the basis that it wasn't used > (but there's no harm in leaving it there now). But that might explain > why the issue cropped up again, as I never tested that code path in > upstream MiniOS. I've removed it again now (mirage-platform now overrides Mini-OS's start_kernel). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 14:28:24 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 14:28:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LWK-0007XB-77; Wed, 02 Jul 2014 14:28:24 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LQA-00074v-4U for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 14:22:02 +0000 Received: from [193.109.254.147:60964] by server-15.bemta-14.messagelabs.com id FA/43-15813-98514B35; Wed, 02 Jul 2014 14:22:01 +0000 X-Env-Sender: vincent.balat@univ-paris-diderot.fr X-Msg-Ref: server-15.tower-27.messagelabs.com!1404310920!15080986!1 X-Originating-IP: [194.254.61.138] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2507 invoked from network); 2 Jul 2014 14:22:01 -0000 Received: from korolev.univ-paris7.fr (HELO korolev.univ-paris7.fr) (194.254.61.138) by server-15.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 2 Jul 2014 14:22:01 -0000 Received: from mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [81.194.30.253]) by korolev.univ-paris7.fr (8.14.4/8.14.4/relay1/46573) with ESMTP id s62EM02D030020 for ; Wed, 2 Jul 2014 16:22:00 +0200 Received: from mailhub.math.univ-paris-diderot.fr (localhost [127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTP id 7FCA32C0940 for ; Wed, 2 Jul 2014 16:22:00 +0200 (CEST) X-Virus-Scanned: amavisd-new at math.univ-paris-diderot.fr Received: from mailhub.math.univ-paris-diderot.fr ([127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 2vkSIoJC8xIp for ; Wed, 2 Jul 2014 16:21:59 +0200 (CEST) Received: from cox.localnet (cox.inria.fr [128.93.60.62]) (Authenticated sender: balat) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTPSA id 7FC1D2C093C for ; Wed, 2 Jul 2014 16:21:58 +0200 (CEST) From: Vincent Balat To: mirageos-devel@lists.xenproject.org Date: Wed, 02 Jul 2014 16:21:56 +0200 Message-ID: <13150844.H8T2jEmesc@cox> Organization: PPS =?UTF-8?B?VW5pdmVyc2l0w6k=?= Paris Diderot User-Agent: KMail/4.12.4 (Linux/3.14-1-amd64; KDE/4.13.1; x86_64; ; ) MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (korolev.univ-paris7.fr [194.254.61.138]); Wed, 02 Jul 2014 16:22:00 +0200 (CEST) X-Miltered: at korolev with ID 53B41588.002 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)! X-j-chkmail-Enveloppe: 53B41588.002 from mailhub.math.univ-paris-diderot.fr/mailhub.math.univ-paris-diderot.fr/null/mailhub.math.univ-paris-diderot.fr/ X-j-chkmail-Score: MSGID : 53B41588.002 on korolev.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000 X-j-chkmail-Status: Ham X-Mailman-Approved-At: Wed, 02 Jul 2014 14:28:22 +0000 Subject: [MirageOS-devel] Lwt NOT deprecated X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, I'm sending this quick e-mail to deny the rumours that have been heard on this list: Lwt is NOT deprecated and will still be maintained. In particular, the Ocsigen project and all the Web apps written with Eliom/Js_of_ocaml are using Lwt and there is no plan to stop nor switch to Async. Best, Vincent Balat [for the Ocsigen team] _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 14:28:24 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 14:28:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LWK-0007XB-77; Wed, 02 Jul 2014 14:28:24 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2LQA-00074v-4U for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 14:22:02 +0000 Received: from [193.109.254.147:60964] by server-15.bemta-14.messagelabs.com id FA/43-15813-98514B35; Wed, 02 Jul 2014 14:22:01 +0000 X-Env-Sender: vincent.balat@univ-paris-diderot.fr X-Msg-Ref: server-15.tower-27.messagelabs.com!1404310920!15080986!1 X-Originating-IP: [194.254.61.138] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2507 invoked from network); 2 Jul 2014 14:22:01 -0000 Received: from korolev.univ-paris7.fr (HELO korolev.univ-paris7.fr) (194.254.61.138) by server-15.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 2 Jul 2014 14:22:01 -0000 Received: from mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [81.194.30.253]) by korolev.univ-paris7.fr (8.14.4/8.14.4/relay1/46573) with ESMTP id s62EM02D030020 for ; Wed, 2 Jul 2014 16:22:00 +0200 Received: from mailhub.math.univ-paris-diderot.fr (localhost [127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTP id 7FCA32C0940 for ; Wed, 2 Jul 2014 16:22:00 +0200 (CEST) X-Virus-Scanned: amavisd-new at math.univ-paris-diderot.fr Received: from mailhub.math.univ-paris-diderot.fr ([127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id 2vkSIoJC8xIp for ; Wed, 2 Jul 2014 16:21:59 +0200 (CEST) Received: from cox.localnet (cox.inria.fr [128.93.60.62]) (Authenticated sender: balat) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTPSA id 7FC1D2C093C for ; Wed, 2 Jul 2014 16:21:58 +0200 (CEST) From: Vincent Balat To: mirageos-devel@lists.xenproject.org Date: Wed, 02 Jul 2014 16:21:56 +0200 Message-ID: <13150844.H8T2jEmesc@cox> Organization: PPS =?UTF-8?B?VW5pdmVyc2l0w6k=?= Paris Diderot User-Agent: KMail/4.12.4 (Linux/3.14-1-amd64; KDE/4.13.1; x86_64; ; ) MIME-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (korolev.univ-paris7.fr [194.254.61.138]); Wed, 02 Jul 2014 16:22:00 +0200 (CEST) X-Miltered: at korolev with ID 53B41588.002 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)! X-j-chkmail-Enveloppe: 53B41588.002 from mailhub.math.univ-paris-diderot.fr/mailhub.math.univ-paris-diderot.fr/null/mailhub.math.univ-paris-diderot.fr/ X-j-chkmail-Score: MSGID : 53B41588.002 on korolev.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000 X-j-chkmail-Status: Ham X-Mailman-Approved-At: Wed, 02 Jul 2014 14:28:22 +0000 Subject: [MirageOS-devel] Lwt NOT deprecated X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, I'm sending this quick e-mail to deny the rumours that have been heard on this list: Lwt is NOT deprecated and will still be maintained. In particular, the Ocsigen project and all the Web apps written with Eliom/Js_of_ocaml are using Lwt and there is no plan to stop nor switch to Async. Best, Vincent Balat [for the Ocsigen team] _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 15:25:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 15:25:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2MPq-0006eF-9z; Wed, 02 Jul 2014 15:25:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2MPo-0006e9-Lr for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 15:25:44 +0000 Received: from [85.158.139.211:42481] by server-4.bemta-5.messagelabs.com id FC/68-07250-87424B35; Wed, 02 Jul 2014 15:25:44 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-2.tower-206.messagelabs.com!1404314743!13272430!1 X-Originating-IP: [195.62.217.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTk1LjYyLjIxNy4xNTEgPT4gMTE1MjA=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4929 invoked from network); 2 Jul 2014 15:25:43 -0000 Received: from engine02-20433-2.icritical.com (HELO engine02-20433-2.icritical.com) (195.62.217.151) by server-2.tower-206.messagelabs.com with SMTP; 2 Jul 2014 15:25:43 -0000 Received: (qmail 19132 invoked from network); 2 Jul 2014 15:25:39 -0000 Received: from localhost (127.0.0.1) by engine02-20433-2.icritical.com with SMTP; 2 Jul 2014 15:25:39 -0000 Received: from engine02-20433-2.icritical.com ([127.0.0.1]) by localhost (engine02-20433-2.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 18758-08 for ; Wed, 2 Jul 2014 16:25:32 +0100 (BST) Received: (qmail 19091 invoked by uid 599); 2 Jul 2014 15:25:32 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine02-20433-2.icritical.com (qpsmtpd/0.28) with ESMTP; Wed, 02 Jul 2014 16:25:32 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X2MPe-0006H8-MR; Wed, 02 Jul 2014 16:25:34 +0100 From: Richard Mortier To: Vincent Balat Date: Wed, 2 Jul 2014 16:21:18 +0100 Thread-Topic: [MirageOS-devel] Lwt NOT deprecated Thread-Index: Ac+WCd4+Bl6aR5/MTZedT7flBNKn7g== Message-ID: References: <13150844.H8T2jEmesc@cox> In-Reply-To: <13150844.H8T2jEmesc@cox> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine02-20433-2.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt NOT deprecated X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7955421933580672165==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7955421933580672165== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 2 Jul 2014, at 15:21, Vincent Balat = wrote: > I'm sending this quick e-mail to deny the rumours that have been heard = on this=20 > list: given how pervasively Lwt is currently used in mirage, i think there'd = have been far more general panic^H^H^H^H^Hinterest if we'd thought Lwt = was suddenly going away :) i think the "rumour" (one email, pretty quickly quashed by several = responses :) was triggered by simple misinterpretation of a discussion = connected with a decision taken by the Frenetic team to discontinue = their support for Lwt in favour of Async. (i am unaware of their = reasons-- if anyone from Frenetic is on the list, it would be great if = they could comment!) having said all that, given the current situation (Mirage mostly using = Lwt and Frenetic using Async), any further suggestions for/experiences = of trying to integrate between libraries using a mixture of Lwt and = Async would be welcome.=20 eg., better to port to one or the other? is it relatively easy to = abstract across them both? thoughts on how big is the minimal subset of = Mirage that would need to be ported/abstracted to use Async? pointers = to any documentation discussing the tradeoffs between Async and Lwt = would also be useful. i've come across the wg-parallel list which = appeared to be briefly active last year, as well as = which appears likely to be = related to the discussion. thanks! --=20 Cheers, R. --Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTtCNvAAoJEOLF27JWwSg3wBwP/3djmMyx67MXxWn4JZRfNYMp FX4Q/cv2DmfA7BedWLLvQYwBQy9G997Da0T02ijxZzgUXEI8kdwhPfFKyR+kd9wl 0ZdZyCFx76WJZ+idOKNJh/EMVFDRmvjUifm4f0qhlfdqT8WXUhV3Bb5zdRL8u2Iu BNhkDqNWUhBgXbvIsTw8qWZo7/+TPgmxOwFPgLXslln8LdMsKtlQFPMyLza1pRMh A1/hr9tP0rz3G0G5b2AzzLVSjYIYBa86cNLtl9dBjw9jCfw01jbf6LAhQ1IxpBm1 P6PJqDZW3sFX3uja8l90O0k5KDEKf6lJQ/rUTbiomb3hLbGU8etOehICAI9Do5U9 X5ArNU9ya4EtH8BuBtyWnZUm3C9zuL3WHBAB3MgwoH+wd3Ofnv+kvhZnGwfUJb9i wPEpv9Krj/G6dGnX+kkq2aoy+WAlR/b9RPzZUCBrU/cBxqiGZ2ZHdeKvgseOVKaj qnPAxQz/Uil2DcClXXiIjYo1mQDEWJdmVYCBGpuTtu8PUl9ZppTUJX13fiwuyHAz wOEnPtHDkW+EkzPn30KEnlRO+rEs/bQwephkk+rR/cbejUEBO5v7xEyf3vlZjE6P htsG38eyKM9n3LNnN9toZ70sjrsasuqwHeGy9nGN76ljHm2/6kmM3oEEqizd4Y6p 5EF/uURVr5EybrCAYrtO =TgxX -----END PGP SIGNATURE----- --Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693-- --===============7955421933580672165== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7955421933580672165==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 15:25:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 15:25:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2MPq-0006eF-9z; Wed, 02 Jul 2014 15:25:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2MPo-0006e9-Lr for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 15:25:44 +0000 Received: from [85.158.139.211:42481] by server-4.bemta-5.messagelabs.com id FC/68-07250-87424B35; Wed, 02 Jul 2014 15:25:44 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-2.tower-206.messagelabs.com!1404314743!13272430!1 X-Originating-IP: [195.62.217.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTk1LjYyLjIxNy4xNTEgPT4gMTE1MjA=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4929 invoked from network); 2 Jul 2014 15:25:43 -0000 Received: from engine02-20433-2.icritical.com (HELO engine02-20433-2.icritical.com) (195.62.217.151) by server-2.tower-206.messagelabs.com with SMTP; 2 Jul 2014 15:25:43 -0000 Received: (qmail 19132 invoked from network); 2 Jul 2014 15:25:39 -0000 Received: from localhost (127.0.0.1) by engine02-20433-2.icritical.com with SMTP; 2 Jul 2014 15:25:39 -0000 Received: from engine02-20433-2.icritical.com ([127.0.0.1]) by localhost (engine02-20433-2.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 18758-08 for ; Wed, 2 Jul 2014 16:25:32 +0100 (BST) Received: (qmail 19091 invoked by uid 599); 2 Jul 2014 15:25:32 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine02-20433-2.icritical.com (qpsmtpd/0.28) with ESMTP; Wed, 02 Jul 2014 16:25:32 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X2MPe-0006H8-MR; Wed, 02 Jul 2014 16:25:34 +0100 From: Richard Mortier To: Vincent Balat Date: Wed, 2 Jul 2014 16:21:18 +0100 Thread-Topic: [MirageOS-devel] Lwt NOT deprecated Thread-Index: Ac+WCd4+Bl6aR5/MTZedT7flBNKn7g== Message-ID: References: <13150844.H8T2jEmesc@cox> In-Reply-To: <13150844.H8T2jEmesc@cox> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine02-20433-2.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Lwt NOT deprecated X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7955421933580672165==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7955421933580672165== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 2 Jul 2014, at 15:21, Vincent Balat = wrote: > I'm sending this quick e-mail to deny the rumours that have been heard = on this=20 > list: given how pervasively Lwt is currently used in mirage, i think there'd = have been far more general panic^H^H^H^H^Hinterest if we'd thought Lwt = was suddenly going away :) i think the "rumour" (one email, pretty quickly quashed by several = responses :) was triggered by simple misinterpretation of a discussion = connected with a decision taken by the Frenetic team to discontinue = their support for Lwt in favour of Async. (i am unaware of their = reasons-- if anyone from Frenetic is on the list, it would be great if = they could comment!) having said all that, given the current situation (Mirage mostly using = Lwt and Frenetic using Async), any further suggestions for/experiences = of trying to integrate between libraries using a mixture of Lwt and = Async would be welcome.=20 eg., better to port to one or the other? is it relatively easy to = abstract across them both? thoughts on how big is the minimal subset of = Mirage that would need to be ported/abstracted to use Async? pointers = to any documentation discussing the tradeoffs between Async and Lwt = would also be useful. i've come across the wg-parallel list which = appeared to be briefly active last year, as well as = which appears likely to be = related to the discussion. thanks! --=20 Cheers, R. --Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTtCNvAAoJEOLF27JWwSg3wBwP/3djmMyx67MXxWn4JZRfNYMp FX4Q/cv2DmfA7BedWLLvQYwBQy9G997Da0T02ijxZzgUXEI8kdwhPfFKyR+kd9wl 0ZdZyCFx76WJZ+idOKNJh/EMVFDRmvjUifm4f0qhlfdqT8WXUhV3Bb5zdRL8u2Iu BNhkDqNWUhBgXbvIsTw8qWZo7/+TPgmxOwFPgLXslln8LdMsKtlQFPMyLza1pRMh A1/hr9tP0rz3G0G5b2AzzLVSjYIYBa86cNLtl9dBjw9jCfw01jbf6LAhQ1IxpBm1 P6PJqDZW3sFX3uja8l90O0k5KDEKf6lJQ/rUTbiomb3hLbGU8etOehICAI9Do5U9 X5ArNU9ya4EtH8BuBtyWnZUm3C9zuL3WHBAB3MgwoH+wd3Ofnv+kvhZnGwfUJb9i wPEpv9Krj/G6dGnX+kkq2aoy+WAlR/b9RPzZUCBrU/cBxqiGZ2ZHdeKvgseOVKaj qnPAxQz/Uil2DcClXXiIjYo1mQDEWJdmVYCBGpuTtu8PUl9ZppTUJX13fiwuyHAz wOEnPtHDkW+EkzPn30KEnlRO+rEs/bQwephkk+rR/cbejUEBO5v7xEyf3vlZjE6P htsG38eyKM9n3LNnN9toZ70sjrsasuqwHeGy9nGN76ljHm2/6kmM3oEEqizd4Y6p 5EF/uURVr5EybrCAYrtO =TgxX -----END PGP SIGNATURE----- --Apple-Mail=_29A30CD8-065D-4C78-A246-BC342F894693-- --===============7955421933580672165== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7955421933580672165==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 16:03:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 16:03:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2N0O-0004Ew-B0; Wed, 02 Jul 2014 16:03:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2N0N-0004Ej-2q for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 16:03:31 +0000 Received: from [85.158.139.211:35752] by server-14.bemta-5.messagelabs.com id 79/64-27057-25D24B35; Wed, 02 Jul 2014 16:03:30 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1404317008!13265432!1 X-Originating-IP: [209.85.214.181] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2224 invoked from network); 2 Jul 2014 16:03:29 -0000 Received: from mail-ob0-f181.google.com (HELO mail-ob0-f181.google.com) (209.85.214.181) by server-5.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 2 Jul 2014 16:03:29 -0000 Received: by mail-ob0-f181.google.com with SMTP id wp4so12642779obc.12 for ; Wed, 02 Jul 2014 09:03:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=9FKUaVOtdcWMdONl521Wk/s/LSaP6j7BnSvwhtdW1n4=; b=vnbbY7tdVCelhFA3Gw4c36JXfW7Y9qmKayl2zUlpPaDw1d2Omo1sxsENhCbeiiLF6e ErHl7FE6lXB4V256C9el9HVsj3CsmwubgKLKtCQ19jXQzujFFI48PtV9rQkQT2ReNuL5 le0BSEp+LWaJ7aFII/PLqj4gdes+KEjVZ4bh3H+9k09vzH5y5jbC0rThgAnabxAXMkR8 DaI95ENc0GmYoHklFWCANTjz1ilWsDXq7XeYLRYNOa7Zusfmo02Oo/OrPx0CwdTnknO6 HqjBoT5D6ce4olPwWsrIKpNGpRm/GSO6ulNF5GJA0OdhmUCPmLtwLX449asr6V+Usv7Z /Ipw== MIME-Version: 1.0 X-Received: by 10.182.104.66 with SMTP id gc2mr56136910obb.17.1404317008050; Wed, 02 Jul 2014 09:03:28 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 2 Jul 2014 09:03:28 -0700 (PDT) Date: Wed, 2 Jul 2014 17:03:28 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org https://github.com/mirage/mirage-platform/pull/93 This pull request removes dietlibc, libm and most of the header files from mirage-platform, replacing them with external dependencies on Mini-OS and openlibm. These changes do not themselves add support for ARM, but they do make it very easy to add, since the new Mini-OS and openlibm both support ARM, unlike the old code. There is no replacement libc. It turned out that the only thing we needed was support for formatting floating point values. I took the code for that from musl (the FreeBSD code was large and difficult to separate out). To test: 1. Download and install libminios from https://github.com/talex5/xen/releases/tag/minios-v0.1 2. Download and install openlibm from https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 3. Use with mirage from https://github.com/talex5/mirage/commits/master The openlibm release is from upstream master (while we're waiting for an official release). The ARM support on the minios branch is currently under review on xen-devel, while the changes to make it a library have not been submitted for review at all. If someone could test this on x86_64 and let me know if it works, that would be great! -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 02 16:03:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 02 Jul 2014 16:03:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2N0O-0004Ew-B0; Wed, 02 Jul 2014 16:03:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2N0N-0004Ej-2q for mirageos-devel@lists.xenproject.org; Wed, 02 Jul 2014 16:03:31 +0000 Received: from [85.158.139.211:35752] by server-14.bemta-5.messagelabs.com id 79/64-27057-25D24B35; Wed, 02 Jul 2014 16:03:30 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1404317008!13265432!1 X-Originating-IP: [209.85.214.181] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2224 invoked from network); 2 Jul 2014 16:03:29 -0000 Received: from mail-ob0-f181.google.com (HELO mail-ob0-f181.google.com) (209.85.214.181) by server-5.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 2 Jul 2014 16:03:29 -0000 Received: by mail-ob0-f181.google.com with SMTP id wp4so12642779obc.12 for ; Wed, 02 Jul 2014 09:03:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=9FKUaVOtdcWMdONl521Wk/s/LSaP6j7BnSvwhtdW1n4=; b=vnbbY7tdVCelhFA3Gw4c36JXfW7Y9qmKayl2zUlpPaDw1d2Omo1sxsENhCbeiiLF6e ErHl7FE6lXB4V256C9el9HVsj3CsmwubgKLKtCQ19jXQzujFFI48PtV9rQkQT2ReNuL5 le0BSEp+LWaJ7aFII/PLqj4gdes+KEjVZ4bh3H+9k09vzH5y5jbC0rThgAnabxAXMkR8 DaI95ENc0GmYoHklFWCANTjz1ilWsDXq7XeYLRYNOa7Zusfmo02Oo/OrPx0CwdTnknO6 HqjBoT5D6ce4olPwWsrIKpNGpRm/GSO6ulNF5GJA0OdhmUCPmLtwLX449asr6V+Usv7Z /Ipw== MIME-Version: 1.0 X-Received: by 10.182.104.66 with SMTP id gc2mr56136910obb.17.1404317008050; Wed, 02 Jul 2014 09:03:28 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 2 Jul 2014 09:03:28 -0700 (PDT) Date: Wed, 2 Jul 2014 17:03:28 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org https://github.com/mirage/mirage-platform/pull/93 This pull request removes dietlibc, libm and most of the header files from mirage-platform, replacing them with external dependencies on Mini-OS and openlibm. These changes do not themselves add support for ARM, but they do make it very easy to add, since the new Mini-OS and openlibm both support ARM, unlike the old code. There is no replacement libc. It turned out that the only thing we needed was support for formatting floating point values. I took the code for that from musl (the FreeBSD code was large and difficult to separate out). To test: 1. Download and install libminios from https://github.com/talex5/xen/releases/tag/minios-v0.1 2. Download and install openlibm from https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 3. Use with mirage from https://github.com/talex5/mirage/commits/master The openlibm release is from upstream master (while we're waiting for an official release). The ARM support on the minios branch is currently under review on xen-devel, while the changes to make it a library have not been submitted for review at all. If someone could test this on x86_64 and let me know if it works, that would be great! -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 03 16:04:19 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 03 Jul 2014 16:04:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2jUa-0003Wg-Cl; Thu, 03 Jul 2014 16:04:12 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2jUY-0003WY-Ms for mirageos-devel@lists.xenproject.org; Thu, 03 Jul 2014 16:04:10 +0000 Received: from [193.109.254.147:11033] by server-9.bemta-14.messagelabs.com id 49/5F-14237-AFE75B35; Thu, 03 Jul 2014 16:04:10 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1404403446!15342231!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13853 invoked from network); 3 Jul 2014 16:04:06 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-14.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 3 Jul 2014 16:04:06 -0000 Received: from [128.232.110.146] (c146.al.cl.cam.ac.uk [128.232.110.146]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id 9DBE81761 for ; Thu, 3 Jul 2014 18:04:04 +0200 (CEST) Message-ID: <53B57EAA.3030805@mehnert.org> Date: Thu, 03 Jul 2014 17:02:50 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 Hi, for our upcoming release of ocaml-tls, we need to seed our random number generator (which is fortuna, implemented here https://github.com/mirleft/ocaml-nocrypto/blob/master/src/rng.ml ). To achieve that, I implemented an ENTROPY device in mirage and mirage-types (https://github.com/mirage/mirage/pull/256) - which API is only a single function: val entropy : t -> int -> [ `Ok of buffer | `Error of error ] io (** [entropy t count] returns a [buffer] of [count] bytes from the entropy pool [t]. *) The buffer is a Cstruct.t in the V1_LWT interface. The purpose is to get (in a non-blocking manner) some entropy bytes. If no entropy device is available, an error is thrown (type error = [ | `No_entropy_device of string ]). Furthermore, I implemented a unix version (https://github.com/mirage/mirage-entropy) which reads the bytes from /dev/random (any ideas whether there is a POSIX way to get entropy, not random?). On XEN the stub implementation currently errors out - the idea is that the host system provides an entropy device for the virtual machine guests (this code needs to be written, any volunteers?). Hannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTtX6pAAoJELyJZYjffCju3C8P/13aSxNgNxdBjBt6GaDmfxcM e7oOQHJHAqVNbOPq2bPDNdQMCPbhraNLjpmxsYomap6hJtiOqd6xX8iuXs4Jq/uY zL+epR5L9kOjKa9XJxPp5dZT201I59gnAfwP8padbpKLhvZDaF+sn6/LrhYgOhtu refuWGtn1yqySlR9R2lMspJ2a9Nov2a+F84nQkPCDXt87kyBJPW5mPpZpSu4RCqK ApW8bCq3PZPLGOzjiK4G5zD5Yqdaxxr0FswFF+O/jb3hxWrgnFL1fcPqv/aGsbZs iyXYntwyWVAQ/X9gDuHGamdWpBJGxj0Hjs70yEOk/qULan4AcDmg9pnbvM6S0Wwy Tu5Ri41Bxl9Bfh33zZOM2sbJxbczk4B02wm4MUIZd0qewQWB4Cez/S2b3xLZKPQX KewZomYuW3H33X3VcmebLQ/BplRtr5yjtoq1kShDRMXznYoAYOaF2bx7bh+U/CvK xxiP2wB+OwAU/GtT/C3gEtvZBqrU6cJS12HB0v0TrU95zLVBP7Et3J44LZhgx+2r iA07FAam/yJ+orRi7bjTGyl1EzuSZtLS7nTeQ0eME1O8fy88JPmAXOLebhaoSBm+ fe19kVlZ05iiY7ffKcXgX8Uw1fRdgJxFEdAZj2uiAxBglmKuMsVLfgctGyXgeYFE C5QQZlnD3b5by/p/Tl9X =DR0P -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 03 16:04:19 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 03 Jul 2014 16:04:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2jUa-0003Wg-Cl; Thu, 03 Jul 2014 16:04:12 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2jUY-0003WY-Ms for mirageos-devel@lists.xenproject.org; Thu, 03 Jul 2014 16:04:10 +0000 Received: from [193.109.254.147:11033] by server-9.bemta-14.messagelabs.com id 49/5F-14237-AFE75B35; Thu, 03 Jul 2014 16:04:10 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1404403446!15342231!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13853 invoked from network); 3 Jul 2014 16:04:06 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-14.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 3 Jul 2014 16:04:06 -0000 Received: from [128.232.110.146] (c146.al.cl.cam.ac.uk [128.232.110.146]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id 9DBE81761 for ; Thu, 3 Jul 2014 18:04:04 +0200 (CEST) Message-ID: <53B57EAA.3030805@mehnert.org> Date: Thu, 03 Jul 2014 17:02:50 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 Hi, for our upcoming release of ocaml-tls, we need to seed our random number generator (which is fortuna, implemented here https://github.com/mirleft/ocaml-nocrypto/blob/master/src/rng.ml ). To achieve that, I implemented an ENTROPY device in mirage and mirage-types (https://github.com/mirage/mirage/pull/256) - which API is only a single function: val entropy : t -> int -> [ `Ok of buffer | `Error of error ] io (** [entropy t count] returns a [buffer] of [count] bytes from the entropy pool [t]. *) The buffer is a Cstruct.t in the V1_LWT interface. The purpose is to get (in a non-blocking manner) some entropy bytes. If no entropy device is available, an error is thrown (type error = [ | `No_entropy_device of string ]). Furthermore, I implemented a unix version (https://github.com/mirage/mirage-entropy) which reads the bytes from /dev/random (any ideas whether there is a POSIX way to get entropy, not random?). On XEN the stub implementation currently errors out - the idea is that the host system provides an entropy device for the virtual machine guests (this code needs to be written, any volunteers?). Hannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTtX6pAAoJELyJZYjffCju3C8P/13aSxNgNxdBjBt6GaDmfxcM e7oOQHJHAqVNbOPq2bPDNdQMCPbhraNLjpmxsYomap6hJtiOqd6xX8iuXs4Jq/uY zL+epR5L9kOjKa9XJxPp5dZT201I59gnAfwP8padbpKLhvZDaF+sn6/LrhYgOhtu refuWGtn1yqySlR9R2lMspJ2a9Nov2a+F84nQkPCDXt87kyBJPW5mPpZpSu4RCqK ApW8bCq3PZPLGOzjiK4G5zD5Yqdaxxr0FswFF+O/jb3hxWrgnFL1fcPqv/aGsbZs iyXYntwyWVAQ/X9gDuHGamdWpBJGxj0Hjs70yEOk/qULan4AcDmg9pnbvM6S0Wwy Tu5Ri41Bxl9Bfh33zZOM2sbJxbczk4B02wm4MUIZd0qewQWB4Cez/S2b3xLZKPQX KewZomYuW3H33X3VcmebLQ/BplRtr5yjtoq1kShDRMXznYoAYOaF2bx7bh+U/CvK xxiP2wB+OwAU/GtT/C3gEtvZBqrU6cJS12HB0v0TrU95zLVBP7Et3J44LZhgx+2r iA07FAam/yJ+orRi7bjTGyl1EzuSZtLS7nTeQ0eME1O8fy88JPmAXOLebhaoSBm+ fe19kVlZ05iiY7ffKcXgX8Uw1fRdgJxFEdAZj2uiAxBglmKuMsVLfgctGyXgeYFE C5QQZlnD3b5by/p/Tl9X =DR0P -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 03 22:08:46 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 03 Jul 2014 22:08:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2pBG-0004nK-OO; Thu, 03 Jul 2014 22:08:38 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2pBE-0004nF-Sr for mirageos-devel@lists.xenproject.org; Thu, 03 Jul 2014 22:08:37 +0000 Received: from [85.158.143.35:24640] by server-3.bemta-4.messagelabs.com id C8/57-16194-464D5B35; Thu, 03 Jul 2014 22:08:36 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-21.messagelabs.com!1404425315!8430512!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24282 invoked from network); 3 Jul 2014 22:08:35 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-21.messagelabs.com with SMTP; 3 Jul 2014 22:08:35 -0000 Received: (qmail 23306 invoked by uid 634); 3 Jul 2014 22:08:34 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.62]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 03 Jul 2014 23:08:31 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 3 Jul 2014 23:08:30 +0100 Message-Id: <38ED71BD-667D-40A1-BEAC-760A7CC2107C@recoil.org> References: <13150844.H8T2jEmesc@cox> To: Richard Mortier X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" , Vincent Balat Subject: Re: [MirageOS-devel] Lwt NOT deprecated X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 Jul 2014, at 16:21, Richard Mortier wrote: > > On 2 Jul 2014, at 15:21, Vincent Balat wrote: > >> I'm sending this quick e-mail to deny the rumours that have been heard on this >> list: > > given how pervasively Lwt is currently used in mirage, i think there'd have been far more general panic^H^H^H^H^Hinterest if we'd thought Lwt was suddenly going away :) Yes indeed. We're going to be using Lwt more in the future with the incoming JavaScript/IOCaml port as well. > > i think the "rumour" (one email, pretty quickly quashed by several responses :) was triggered by simple misinterpretation of a discussion connected with a decision taken by the Frenetic team to discontinue their support for Lwt in favour of Async. (i am unaware of their reasons-- if anyone from Frenetic is on the list, it would be great if they could comment!) I'm not speaking on their behalf, but they do use Real World OCaml in Cornell in the CS course, so I imagine it's just easier in terms of a documentation base. Async is a 'more complete' library if you don't mind being tied to Unix, and it does make stronger guarantees in terms of not context switching between binds (although I believe Lwt has also improved in this regard). Lwt is a clear win on portability and especially JavaScript compilation. > having said all that, given the current situation (Mirage mostly using Lwt and Frenetic using Async), any further suggestions for/experiences of trying to integrate between libraries using a mixture of Lwt and Async would be welcome. > > eg., better to port to one or the other? is it relatively easy to abstract across them both? thoughts on how big is the minimal subset of Mirage that would need to be ported/abstracted to use Async? pointers to any documentation discussing the tradeoffs between Async and Lwt would also be useful. i've come across the wg-parallel list which appeared to be briefly active last year, as well as which appears likely to be related to the discussion. > The only embedding that works is Lwt in Async, whereas the Async on Lwt doesn't exist (which is what Mirage Xen needs). It's possible to abstract between Lwt/Async for simple uses (where you're just doing a few binds), but is trickier when you want to use the full capabilities of one of the libraries (particularly Async). There are also fundamental differences in some of the design choices (Async favours Pipe, Lwt favours Lwt_stream). Overall, I'd start with the openflow protocol parsing and switch, as I mentioned in the other thread. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 03 22:08:46 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 03 Jul 2014 22:08:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2pBG-0004nK-OO; Thu, 03 Jul 2014 22:08:38 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2pBE-0004nF-Sr for mirageos-devel@lists.xenproject.org; Thu, 03 Jul 2014 22:08:37 +0000 Received: from [85.158.143.35:24640] by server-3.bemta-4.messagelabs.com id C8/57-16194-464D5B35; Thu, 03 Jul 2014 22:08:36 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-21.messagelabs.com!1404425315!8430512!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24282 invoked from network); 3 Jul 2014 22:08:35 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-21.messagelabs.com with SMTP; 3 Jul 2014 22:08:35 -0000 Received: (qmail 23306 invoked by uid 634); 3 Jul 2014 22:08:34 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.62]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 03 Jul 2014 23:08:31 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 3 Jul 2014 23:08:30 +0100 Message-Id: <38ED71BD-667D-40A1-BEAC-760A7CC2107C@recoil.org> References: <13150844.H8T2jEmesc@cox> To: Richard Mortier X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" , Vincent Balat Subject: Re: [MirageOS-devel] Lwt NOT deprecated X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 Jul 2014, at 16:21, Richard Mortier wrote: > > On 2 Jul 2014, at 15:21, Vincent Balat wrote: > >> I'm sending this quick e-mail to deny the rumours that have been heard on this >> list: > > given how pervasively Lwt is currently used in mirage, i think there'd have been far more general panic^H^H^H^H^Hinterest if we'd thought Lwt was suddenly going away :) Yes indeed. We're going to be using Lwt more in the future with the incoming JavaScript/IOCaml port as well. > > i think the "rumour" (one email, pretty quickly quashed by several responses :) was triggered by simple misinterpretation of a discussion connected with a decision taken by the Frenetic team to discontinue their support for Lwt in favour of Async. (i am unaware of their reasons-- if anyone from Frenetic is on the list, it would be great if they could comment!) I'm not speaking on their behalf, but they do use Real World OCaml in Cornell in the CS course, so I imagine it's just easier in terms of a documentation base. Async is a 'more complete' library if you don't mind being tied to Unix, and it does make stronger guarantees in terms of not context switching between binds (although I believe Lwt has also improved in this regard). Lwt is a clear win on portability and especially JavaScript compilation. > having said all that, given the current situation (Mirage mostly using Lwt and Frenetic using Async), any further suggestions for/experiences of trying to integrate between libraries using a mixture of Lwt and Async would be welcome. > > eg., better to port to one or the other? is it relatively easy to abstract across them both? thoughts on how big is the minimal subset of Mirage that would need to be ported/abstracted to use Async? pointers to any documentation discussing the tradeoffs between Async and Lwt would also be useful. i've come across the wg-parallel list which appeared to be briefly active last year, as well as which appears likely to be related to the discussion. > The only embedding that works is Lwt in Async, whereas the Async on Lwt doesn't exist (which is what Mirage Xen needs). It's possible to abstract between Lwt/Async for simple uses (where you're just doing a few binds), but is trickier when you want to use the full capabilities of one of the libraries (particularly Async). There are also fundamental differences in some of the design choices (Async favours Pipe, Lwt favours Lwt_stream). Overall, I'd start with the openflow protocol parsing and switch, as I mentioned in the other thread. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 03 23:43:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 03 Jul 2014 23:43:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2qfK-0005KU-Bi; Thu, 03 Jul 2014 23:43:46 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2qfJ-0005JZ-1V for mirageos-devel@lists.xenproject.org; Thu, 03 Jul 2014 23:43:45 +0000 Received: from [85.158.143.35:63239] by server-3.bemta-4.messagelabs.com id 47/65-16194-FAAE5B35; Thu, 03 Jul 2014 23:43:43 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-21.messagelabs.com!1404431022!15722300!1 X-Originating-IP: [209.85.212.177] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5781 invoked from network); 3 Jul 2014 23:43:42 -0000 Received: from mail-wi0-f177.google.com (HELO mail-wi0-f177.google.com) (209.85.212.177) by server-5.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 3 Jul 2014 23:43:42 -0000 Received: by mail-wi0-f177.google.com with SMTP id r20so3096948wiv.16 for ; Thu, 03 Jul 2014 16:43:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=lcLihrl4KKBy+eeNf5QGKAGAkw7B+kG1+PZMKI099ys=; b=Pq1EhVhel9awg3Cy3bGCGJnu+C9Fp9JfA+jepnpsFjXkLa7MrcL4woMrZP7euMJYto jCO9WHpjmClEcX5QAdkGWik8w+Ak5cA2nNk43gRromKReJfkEWkNljTGXGzVGsPL4OJB tN30Cs57A9D3zI+B/vfpUsmf9WIetcrpFiwOFM1j/Kx+rJZg6W6wqQrw+u2eTzaDiufJ r4DebmHw5TpY/TWFA9Xc+mZ3k9C92jkMvVZduNTqFL+okXBAFro5F/JmCzJ/4RITkKof awm6yWgOu37pN6p0TUPAJQdqEW6uafkR2AxUUeQud7taKCHVycmNxpFqosLWRVUQiXzr Cl/w== X-Received: by 10.180.212.73 with SMTP id ni9mr52293565wic.59.1404431022050; Thu, 03 Jul 2014 16:43:42 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id gc5sm72409824wic.6.2014.07.03.16.43.40 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 03 Jul 2014 16:43:41 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <53B57EAA.3030805@mehnert.org> Date: Fri, 4 Jul 2014 00:43:39 +0100 Message-Id: References: <53B57EAA.3030805@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.1878.2) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > for our upcoming release of ocaml-tls, we need to seed our random > number generator (which is fortuna, implemented here > https://github.com/mirleft/ocaml-nocrypto/blob/master/src/rng.ml ). > > To achieve that, I implemented an ENTROPY device in mirage and > mirage-types (https://github.com/mirage/mirage/pull/256) - which API > is only a single function: > val entropy : t -> int -> [ `Ok of buffer | `Error of error ] io > (** [entropy t count] returns a [buffer] of [count] bytes from the > entropy pool [t]. *) > > The buffer is a Cstruct.t in the V1_LWT interface. > > The purpose is to get (in a non-blocking manner) some entropy bytes. > If no entropy device is available, an error is thrown (type error = [ > | `No_entropy_device of string ]). > > Furthermore, I implemented a unix version > (https://github.com/mirage/mirage-entropy) which reads the bytes from > /dev/random (any ideas whether there is a POSIX way to get entropy, > not random?). On XEN the stub implementation currently errors out - > the idea is that the host system provides an entropy device for the > virtual machine guests (this code needs to be written, any volunteers?). As I've seen a discussion on the bug tracker about having to release two separate packages (one for xen, one for unix) or only one, and as I had a similar discussion with Daniel on this about the design of his useri[1] library, I'll try to explain a bit more the rational we try to follow in general for mirage libraries in such cases. Long time ago, when we started the development of mirage, we had no functors. The xen and unix backends where both implementing modules with the same name -- the libraries using these modules were just including/opening the given module signature and the magic of which implementation were actually picked was configured at link time (this is not totally correct, but that's the general idea). We called that the "linking trick": if you give to the compiler the right include paths when needed, you don't need functors, but you need a pretty clever build system (so that you can choose against which backend you want to link) -- and we wrote a pretty sophisticated myocamlbuild.ml to handle this[2]. All was fine and we were pretty happy: the added complexity of the build system let users develop simple code without the need to use functors at all. However, as we started working on the network stack, it appeared quickly that we wanted to have, in the same program, two different implementations of the same signature (killer example: having two full TCP/IP stacks, one fully in OCaml the other using the usual kernel stack for unit testing purposes). As OCaml does not allow to link two modules with the same name together, it means that all the network stack implementations needed to have different names. So the linking trick couldn't work anymore. Same issue with the storage backends. So we ended up simplifying the build system (no needs for complex build rules anymore) but putting back the complexity in the functor language. And functors slowly started to contaminate our code base 'cause now, every library using a functor should also expose a functor. To tackle the difficulty of using functors, we had two strategies. The first one was to develop, during last december, an EDSL to describe the composition of functors[3], which was what we finally released in mirage 1.0. The second one was to be a bit more structured about how we design new libraries. We continue to use the linking trick for modules where there is clearly no way to have two concurrent implementation running at the same time in the same module. In the same time, we try to provide to the user, when possible, default functor instantiation in separate ocamlfind package to make easier to use the libraries. So most of the mirage libraries[4,5,...] are structured as follows: - a core ocamlfind package, which consumes and provides a functor, which is independent of the backend - a .lwt (should be called .unix really) ocamlfind subpackage, which applies the functors to work with Lwt_unix functions - a .xen ocamlfind subpackage, which applies the functors to work with mirage/xen And we use OPAM %{xxx:enable}% variables to enable or disable the compilation of sub-packages. Hope it helps clarifying things a little bit, Thomas [1] https://github.com/dbuenzli/useri/blob/master/src/useri.ml#L7 [2] https://github.com/mirage/mirage/blob/old-master/lib/myocamlbuild.ml [3] https://github.com/mirage/mirage/blob/master/lib/mirage.mli [4] https://github.com/mirage/shared-memory-ring/blob/master/lib/META [5] https://github.com/mirage/ocaml-git/blob/master/lib/META > > > Hannes > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 03 23:43:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 03 Jul 2014 23:43:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2qfK-0005KU-Bi; Thu, 03 Jul 2014 23:43:46 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2qfJ-0005JZ-1V for mirageos-devel@lists.xenproject.org; Thu, 03 Jul 2014 23:43:45 +0000 Received: from [85.158.143.35:63239] by server-3.bemta-4.messagelabs.com id 47/65-16194-FAAE5B35; Thu, 03 Jul 2014 23:43:43 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-21.messagelabs.com!1404431022!15722300!1 X-Originating-IP: [209.85.212.177] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5781 invoked from network); 3 Jul 2014 23:43:42 -0000 Received: from mail-wi0-f177.google.com (HELO mail-wi0-f177.google.com) (209.85.212.177) by server-5.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 3 Jul 2014 23:43:42 -0000 Received: by mail-wi0-f177.google.com with SMTP id r20so3096948wiv.16 for ; Thu, 03 Jul 2014 16:43:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=lcLihrl4KKBy+eeNf5QGKAGAkw7B+kG1+PZMKI099ys=; b=Pq1EhVhel9awg3Cy3bGCGJnu+C9Fp9JfA+jepnpsFjXkLa7MrcL4woMrZP7euMJYto jCO9WHpjmClEcX5QAdkGWik8w+Ak5cA2nNk43gRromKReJfkEWkNljTGXGzVGsPL4OJB tN30Cs57A9D3zI+B/vfpUsmf9WIetcrpFiwOFM1j/Kx+rJZg6W6wqQrw+u2eTzaDiufJ r4DebmHw5TpY/TWFA9Xc+mZ3k9C92jkMvVZduNTqFL+okXBAFro5F/JmCzJ/4RITkKof awm6yWgOu37pN6p0TUPAJQdqEW6uafkR2AxUUeQud7taKCHVycmNxpFqosLWRVUQiXzr Cl/w== X-Received: by 10.180.212.73 with SMTP id ni9mr52293565wic.59.1404431022050; Thu, 03 Jul 2014 16:43:42 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id gc5sm72409824wic.6.2014.07.03.16.43.40 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 03 Jul 2014 16:43:41 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <53B57EAA.3030805@mehnert.org> Date: Fri, 4 Jul 2014 00:43:39 +0100 Message-Id: References: <53B57EAA.3030805@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.1878.2) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > for our upcoming release of ocaml-tls, we need to seed our random > number generator (which is fortuna, implemented here > https://github.com/mirleft/ocaml-nocrypto/blob/master/src/rng.ml ). > > To achieve that, I implemented an ENTROPY device in mirage and > mirage-types (https://github.com/mirage/mirage/pull/256) - which API > is only a single function: > val entropy : t -> int -> [ `Ok of buffer | `Error of error ] io > (** [entropy t count] returns a [buffer] of [count] bytes from the > entropy pool [t]. *) > > The buffer is a Cstruct.t in the V1_LWT interface. > > The purpose is to get (in a non-blocking manner) some entropy bytes. > If no entropy device is available, an error is thrown (type error = [ > | `No_entropy_device of string ]). > > Furthermore, I implemented a unix version > (https://github.com/mirage/mirage-entropy) which reads the bytes from > /dev/random (any ideas whether there is a POSIX way to get entropy, > not random?). On XEN the stub implementation currently errors out - > the idea is that the host system provides an entropy device for the > virtual machine guests (this code needs to be written, any volunteers?). As I've seen a discussion on the bug tracker about having to release two separate packages (one for xen, one for unix) or only one, and as I had a similar discussion with Daniel on this about the design of his useri[1] library, I'll try to explain a bit more the rational we try to follow in general for mirage libraries in such cases. Long time ago, when we started the development of mirage, we had no functors. The xen and unix backends where both implementing modules with the same name -- the libraries using these modules were just including/opening the given module signature and the magic of which implementation were actually picked was configured at link time (this is not totally correct, but that's the general idea). We called that the "linking trick": if you give to the compiler the right include paths when needed, you don't need functors, but you need a pretty clever build system (so that you can choose against which backend you want to link) -- and we wrote a pretty sophisticated myocamlbuild.ml to handle this[2]. All was fine and we were pretty happy: the added complexity of the build system let users develop simple code without the need to use functors at all. However, as we started working on the network stack, it appeared quickly that we wanted to have, in the same program, two different implementations of the same signature (killer example: having two full TCP/IP stacks, one fully in OCaml the other using the usual kernel stack for unit testing purposes). As OCaml does not allow to link two modules with the same name together, it means that all the network stack implementations needed to have different names. So the linking trick couldn't work anymore. Same issue with the storage backends. So we ended up simplifying the build system (no needs for complex build rules anymore) but putting back the complexity in the functor language. And functors slowly started to contaminate our code base 'cause now, every library using a functor should also expose a functor. To tackle the difficulty of using functors, we had two strategies. The first one was to develop, during last december, an EDSL to describe the composition of functors[3], which was what we finally released in mirage 1.0. The second one was to be a bit more structured about how we design new libraries. We continue to use the linking trick for modules where there is clearly no way to have two concurrent implementation running at the same time in the same module. In the same time, we try to provide to the user, when possible, default functor instantiation in separate ocamlfind package to make easier to use the libraries. So most of the mirage libraries[4,5,...] are structured as follows: - a core ocamlfind package, which consumes and provides a functor, which is independent of the backend - a .lwt (should be called .unix really) ocamlfind subpackage, which applies the functors to work with Lwt_unix functions - a .xen ocamlfind subpackage, which applies the functors to work with mirage/xen And we use OPAM %{xxx:enable}% variables to enable or disable the compilation of sub-packages. Hope it helps clarifying things a little bit, Thomas [1] https://github.com/dbuenzli/useri/blob/master/src/useri.ml#L7 [2] https://github.com/mirage/mirage/blob/old-master/lib/myocamlbuild.ml [3] https://github.com/mirage/mirage/blob/master/lib/mirage.mli [4] https://github.com/mirage/shared-memory-ring/blob/master/lib/META [5] https://github.com/mirage/ocaml-git/blob/master/lib/META > > > Hannes > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 00:22:10 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 00:22:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2rGS-00066Y-10; Fri, 04 Jul 2014 00:22:08 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2rGQ-00066Q-0b for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 00:22:06 +0000 Received: from [85.158.137.68:39623] by server-7.bemta-3.messagelabs.com id 55/69-19423-DA3F5B35; Fri, 04 Jul 2014 00:22:05 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-15.tower-31.messagelabs.com!1404433324!13834311!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2898 invoked from network); 4 Jul 2014 00:22:04 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-15.tower-31.messagelabs.com with SMTP; 4 Jul 2014 00:22:04 -0000 Received: from [172.20.10.2] (188.29.165.137.threembb.co.uk [188.29.165.137]) by smtp.webfaction.com (Postfix) with ESMTP id 0694C212A8E1; Fri, 4 Jul 2014 00:22:02 +0000 (UTC) Date: Fri, 4 Jul 2014 01:21:58 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Gazagnaire Message-ID: In-Reply-To: References: <53B57EAA.3030805@mehnert.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgdmVuZHJlZGksIDQganVpbGxldCAyMDE0IMOgIDAwOjQzLCBUaG9tYXMgR2F6YWduYWlyZSBh IMOpY3JpdCA6Cj4gSG9wZSBpdCBoZWxwcyBjbGFyaWZ5aW5nIHRoaW5ncyBhIGxpdHRsZSBiaXQs CgpKdXN0IHdhbnQgdG8gYWRkIHRoYXQgdGhpcyBJQ0ZQIDIwMDAgcHJlc2VudGF0aW9uIGJ5IEJl bmphbWluIFBpZXJjZSBbMV0gcHJldHR5IG11Y2ggc3VtcyB1cCB0aGUgcG9pbnQgeW91IHJhaXNl IGluIHlvdXIgcG9zdCBhbmQgaGFzIGEgZmV3IGZ1cnRoZXIgaW50ZXJlc3Rpbmcgb2JzZXJ2YXRp b25zIG9uIHNjYWxhYmlsaXR5LgoKQmVzdCwKCkRhbmllbAoKWzFdIGh0dHA6Ly93d3cuY2lzLnVw ZW5uLmVkdS9+YmNwaWVyY2UvcGFwZXJzL21vZHVsZXMtaWNmcC5wcwoKCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5n IGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhl bnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 00:22:10 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 00:22:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2rGS-00066Y-10; 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Fri, 4 Jul 2014 00:22:02 +0000 (UTC) Date: Fri, 4 Jul 2014 01:21:58 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Gazagnaire Message-ID: In-Reply-To: References: <53B57EAA.3030805@mehnert.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgdmVuZHJlZGksIDQganVpbGxldCAyMDE0IMOgIDAwOjQzLCBUaG9tYXMgR2F6YWduYWlyZSBh IMOpY3JpdCA6Cj4gSG9wZSBpdCBoZWxwcyBjbGFyaWZ5aW5nIHRoaW5ncyBhIGxpdHRsZSBiaXQs CgpKdXN0IHdhbnQgdG8gYWRkIHRoYXQgdGhpcyBJQ0ZQIDIwMDAgcHJlc2VudGF0aW9uIGJ5IEJl bmphbWluIFBpZXJjZSBbMV0gcHJldHR5IG11Y2ggc3VtcyB1cCB0aGUgcG9pbnQgeW91IHJhaXNl IGluIHlvdXIgcG9zdCBhbmQgaGFzIGEgZmV3IGZ1cnRoZXIgaW50ZXJlc3Rpbmcgb2JzZXJ2YXRp b25zIG9uIHNjYWxhYmlsaXR5LgoKQmVzdCwKCkRhbmllbAoKWzFdIGh0dHA6Ly93d3cuY2lzLnVw ZW5uLmVkdS9+YmNwaWVyY2UvcGFwZXJzL21vZHVsZXMtaWNmcC5wcwoKCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5n IGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhl bnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 08:55:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 08:55:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zGy-0000cm-7I; Fri, 04 Jul 2014 08:55:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zGw-0000cf-HE for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 08:55:10 +0000 Received: from [85.158.137.68:3689] by server-4.bemta-3.messagelabs.com id 9C/66-23732-DEB66B35; Fri, 04 Jul 2014 08:55:09 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-10.tower-31.messagelabs.com!1404464108!13992560!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14145 invoked from network); 4 Jul 2014 08:55:09 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-10.tower-31.messagelabs.com with SMTP; 4 Jul 2014 08:55:09 -0000 Received: (qmail 15390 invoked from network); 4 Jul 2014 08:55:26 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 4 Jul 2014 08:55:26 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 14939-09 for ; Fri, 4 Jul 2014 09:55:19 +0100 (BST) Received: (qmail 15310 invoked by uid 599); 4 Jul 2014 08:55:18 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Fri, 04 Jul 2014 09:55:18 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X2zGk-0002x3-67; Fri, 04 Jul 2014 09:54:58 +0100 From: Richard Mortier To: Thomas Gazagnaire Date: Fri, 4 Jul 2014 09:54:55 +0100 Thread-Topic: [MirageOS-devel] mirage-entropy Thread-Index: Ac+XZaGml6AJOgCsTnOhDM6k7kHvKw== Message-ID: <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> References: <53B57EAA.3030805@mehnert.org> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8875178508243952408==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8875178508243952408== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 4 Jul 2014, at 00:43, Thomas Gazagnaire = wrote: > ...So we ended up simplifying the build system (no needs for complex = build rules anymore) but putting back the complexity in the functor = language. And functors slowly started to contaminate our code base = 'cause now, every library using a functor should also expose a functor. to check: the "contamination" you refer to is simply the (moderate) = extra syntactic complexity of making the developer have to deal with = functors, or are there other implications? > To tackle the difficulty of using functors, we had two strategies. The = first one was to develop, during last december, an EDSL to describe the = composition of functors[3], which was what we finally released in mirage = 1.0. The second one was to be a bit more structured about how we design = new libraries. We continue to use the linking trick for modules where = there is clearly no way to have two concurrent implementation running at = the same time in the same module. In the same time, we try to provide to = the user, when possible, default functor instantiation in separate = ocamlfind package to make easier to use the libraries. So most of the = mirage libraries[4,5,...] are structured as follows: > - a core ocamlfind package, which consumes and provides a functor, = which is independent of the backend > - a .lwt (should be called .unix really) ocamlfind subpackage, which = applies the functors to work with Lwt_unix functions > - a .xen ocamlfind subpackage, which applies the functors to work with = mirage/xen how does this fly with functorising across Lwt vs Async as done with = cohttp iirc? would that just mean that the .unix subpackage would have = an extra module parameter supplying one or the other? > ... > Hope it helps clarifying things a little bit, yes actually :) this would make a useful blog post i think... (and = perhaps content for a full-monty journal paper about mirage.) --=20 Cheers, R. --Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTtmvfAAoJEOLF27JWwSg3b4oQAMa3Jg0hdNxduFqibB5rhPrq h+D9SDO2d3SixUAg9FP0geW/J0pdfQioweT6tb+SD413sxaBxg2CuTCuN3CImtl5 UZAOi366YK2nUqsSqJn2Eaj3+/MRP+FyuyCX8LQvVKNDTQIzMFiGpfVaorPs/gcr 9qenfz9xHLAz3Ogsgu/2+3zcuXwO07Np1eMatmh71brK9bMx6eULWf7xf1r2PAlZ v9RJuNFvAKY+wsNuen2wEB/aSGEw/cnWLPQ7rYiIwJSnNnTjXbuYJ4nY1i7sWFUs EbB+/PMFyXRTlemr3WZK9EpKzaNRhH3YyK5v90GuF1hftP4E8qmWqJFQR/wodoFg 5Do42qS+bKRhx8+wIMCzmAEX5HmqYPXHZjSXCFEAnTSJFK/h5lY7KmDgfOooBkD/ /w9IBfXOdzJgRj7NSGTqqVkxs+mMuvEnHI9LdQ980TvyJL2iZyG0C5RxjMbsV67t sZIrlVFcDrX8VOXU0a3Fk8FQ6JGwVAaCV5iI2gG1zg3y0lqKdOuIQEpdeARUh5qb gtk6rw0SqaGisp8KVUcP0QyzR3TeWQkUc8eXFi+5LEcKJKyQbvI+k3ewkVAd9EUf nhTUoC5hNTZSDUGYxrLaVZaMI8USII2wiHiYph16ddBll98nfMfkoWmj/mYi5x5u EyFaYuVTNP+AOEKZX+eU =PAny -----END PGP SIGNATURE----- --Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC-- --===============8875178508243952408== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8875178508243952408==-- From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 08:55:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 08:55:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zGy-0000cm-7I; Fri, 04 Jul 2014 08:55:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zGw-0000cf-HE for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 08:55:10 +0000 Received: from [85.158.137.68:3689] by server-4.bemta-3.messagelabs.com id 9C/66-23732-DEB66B35; Fri, 04 Jul 2014 08:55:09 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-10.tower-31.messagelabs.com!1404464108!13992560!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14145 invoked from network); 4 Jul 2014 08:55:09 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-10.tower-31.messagelabs.com with SMTP; 4 Jul 2014 08:55:09 -0000 Received: (qmail 15390 invoked from network); 4 Jul 2014 08:55:26 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 4 Jul 2014 08:55:26 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 14939-09 for ; Fri, 4 Jul 2014 09:55:19 +0100 (BST) Received: (qmail 15310 invoked by uid 599); 4 Jul 2014 08:55:18 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Fri, 04 Jul 2014 09:55:18 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X2zGk-0002x3-67; Fri, 04 Jul 2014 09:54:58 +0100 From: Richard Mortier To: Thomas Gazagnaire Date: Fri, 4 Jul 2014 09:54:55 +0100 Thread-Topic: [MirageOS-devel] mirage-entropy Thread-Index: Ac+XZaGml6AJOgCsTnOhDM6k7kHvKw== Message-ID: <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> References: <53B57EAA.3030805@mehnert.org> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8875178508243952408==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8875178508243952408== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 4 Jul 2014, at 00:43, Thomas Gazagnaire = wrote: > ...So we ended up simplifying the build system (no needs for complex = build rules anymore) but putting back the complexity in the functor = language. And functors slowly started to contaminate our code base = 'cause now, every library using a functor should also expose a functor. to check: the "contamination" you refer to is simply the (moderate) = extra syntactic complexity of making the developer have to deal with = functors, or are there other implications? > To tackle the difficulty of using functors, we had two strategies. The = first one was to develop, during last december, an EDSL to describe the = composition of functors[3], which was what we finally released in mirage = 1.0. The second one was to be a bit more structured about how we design = new libraries. We continue to use the linking trick for modules where = there is clearly no way to have two concurrent implementation running at = the same time in the same module. In the same time, we try to provide to = the user, when possible, default functor instantiation in separate = ocamlfind package to make easier to use the libraries. So most of the = mirage libraries[4,5,...] are structured as follows: > - a core ocamlfind package, which consumes and provides a functor, = which is independent of the backend > - a .lwt (should be called .unix really) ocamlfind subpackage, which = applies the functors to work with Lwt_unix functions > - a .xen ocamlfind subpackage, which applies the functors to work with = mirage/xen how does this fly with functorising across Lwt vs Async as done with = cohttp iirc? would that just mean that the .unix subpackage would have = an extra module parameter supplying one or the other? > ... > Hope it helps clarifying things a little bit, yes actually :) this would make a useful blog post i think... (and = perhaps content for a full-monty journal paper about mirage.) --=20 Cheers, R. --Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTtmvfAAoJEOLF27JWwSg3b4oQAMa3Jg0hdNxduFqibB5rhPrq h+D9SDO2d3SixUAg9FP0geW/J0pdfQioweT6tb+SD413sxaBxg2CuTCuN3CImtl5 UZAOi366YK2nUqsSqJn2Eaj3+/MRP+FyuyCX8LQvVKNDTQIzMFiGpfVaorPs/gcr 9qenfz9xHLAz3Ogsgu/2+3zcuXwO07Np1eMatmh71brK9bMx6eULWf7xf1r2PAlZ v9RJuNFvAKY+wsNuen2wEB/aSGEw/cnWLPQ7rYiIwJSnNnTjXbuYJ4nY1i7sWFUs EbB+/PMFyXRTlemr3WZK9EpKzaNRhH3YyK5v90GuF1hftP4E8qmWqJFQR/wodoFg 5Do42qS+bKRhx8+wIMCzmAEX5HmqYPXHZjSXCFEAnTSJFK/h5lY7KmDgfOooBkD/ /w9IBfXOdzJgRj7NSGTqqVkxs+mMuvEnHI9LdQ980TvyJL2iZyG0C5RxjMbsV67t sZIrlVFcDrX8VOXU0a3Fk8FQ6JGwVAaCV5iI2gG1zg3y0lqKdOuIQEpdeARUh5qb gtk6rw0SqaGisp8KVUcP0QyzR3TeWQkUc8eXFi+5LEcKJKyQbvI+k3ewkVAd9EUf nhTUoC5hNTZSDUGYxrLaVZaMI8USII2wiHiYph16ddBll98nfMfkoWmj/mYi5x5u EyFaYuVTNP+AOEKZX+eU =PAny -----END PGP SIGNATURE----- --Apple-Mail=_B856C3B9-7735-44DA-A24A-CE22E44154DC-- --===============8875178508243952408== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8875178508243952408==-- From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 09:31:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 09:31:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zqX-0002GJ-7T; Fri, 04 Jul 2014 09:31:57 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zqV-0002GE-OM for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 09:31:55 +0000 Received: from [85.158.139.211:39862] by server-6.bemta-5.messagelabs.com id B0/58-25531-B8476B35; Fri, 04 Jul 2014 09:31:55 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-9.tower-206.messagelabs.com!1404466314!13640491!1 X-Originating-IP: [74.125.82.180] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26952 invoked from network); 4 Jul 2014 09:31:54 -0000 Received: from mail-we0-f180.google.com (HELO mail-we0-f180.google.com) (74.125.82.180) by server-9.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 4 Jul 2014 09:31:54 -0000 Received: by mail-we0-f180.google.com with SMTP id x48so1398738wes.25 for ; Fri, 04 Jul 2014 02:31:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=KUtXV3QilYkEYEUnKWdrHVm2yna1DDmNlOpBLRLbilQ=; b=BZpHsCGVBdSdxBSb622rVfWHbRqjR1TCnN3q9ecrQRTgOkMNrIWCkSTElJVZhkJojo J6Rw7WG14TInLtJI45L+raGL4phKQtBKs8OaKtuVuBP3hkjLeCyqZFtpLc7t0PD7eNMr 43XupqW6FbZtAtpVDIlsbbrEkMU6yECawTeOa2NpzHTKoUPUtbn5pQnNfUb1ara8teaR 1VOBp6ogcbi5kNYyOcqtXiPsTFgXtUqPdxl8lG5lR2cxPmku6/KJaKC27c/jAYOxV+X+ heRwFlZXnhAey4bCTDv6niDn0e/NPsyk23/R5E7ymAuX/KcaKnBZKqK4xQuh8dcvJFm0 wT7w== X-Received: by 10.180.39.33 with SMTP id m1mr16828316wik.82.1404466312955; Fri, 04 Jul 2014 02:31:52 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id i6sm77157720wiy.17.2014.07.04.02.31.51 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 04 Jul 2014 02:31:51 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> Date: Fri, 4 Jul 2014 10:31:49 +0100 Message-Id: <01E92DFF-DFA4-400C-99F2-12BC89001D6E@gazagnaire.org> References: <53B57EAA.3030805@mehnert.org> <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> To: Richard Mortier X-Mailer: Apple Mail (2.1878.2) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> ...So we ended up simplifying the build system (no needs for complex build rules anymore) but putting back the complexity in the functor language. And functors slowly started to contaminate our code base 'cause now, every library using a functor should also expose a functor. > > to check: the "contamination" you refer to is simply the (moderate) extra syntactic complexity of making the developer have to deal with functors, or are there other implications? This also means that when you are developing a new library which use an already functorised library, that new library also needs to be functorized over (at least) the same signatures. So if you are very far in the functor chain, the number of parametrised signature you should depend on might grow quite large. See [1] for instance ... but at least you fully track the dependencies and it is easier to switch, inside the langage instead of passing flags to the linker (as B. Pierce explained nicely in the slides that Daniel sent). [1] https://github.com/mirage/mirage-tcpip/blob/master/lib/tcpip_stack_direct.mli#L24 >> To tackle the difficulty of using functors, we had two strategies. The first one was to develop, during last december, an EDSL to describe the composition of functors[3], which was what we finally released in mirage 1.0. The second one was to be a bit more structured about how we design new libraries. We continue to use the linking trick for modules where there is clearly no way to have two concurrent implementation running at the same time in the same module. In the same time, we try to provide to the user, when possible, default functor instantiation in separate ocamlfind package to make easier to use the libraries. So most of the mirage libraries[4,5,...] are structured as follows: >> - a core ocamlfind package, which consumes and provides a functor, which is independent of the backend >> - a .lwt (should be called .unix really) ocamlfind subpackage, which applies the functors to work with Lwt_unix functions >> - a .xen ocamlfind subpackage, which applies the functors to work with mirage/xen > > how does this fly with functorising across Lwt vs Async as done with cohttp iirc? would that just mean that the .unix subpackage would have an extra module parameter supplying one or the other? I should have written .lwt_unix (instead of .unix). Yup, in cohttp we have a an other .async sub-package which instantiate the core functor with Async. The downside of that approach is the number of sub-packages might grow exponentially if we really want to have all of them -- so having partially instantiated functors for lwt-unix/async/xen makes usually is enough. >> Hope it helps clarifying things a little bit, > > yes actually :) this would make a useful blog post i think... (and perhaps content for a full-monty journal paper about mirage.) I really need to write the Irmin blog post first but yea, why not ... Thomas > > > -- > Cheers, > > R. > > > > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 09:31:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 09:31:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zqX-0002GJ-7T; Fri, 04 Jul 2014 09:31:57 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X2zqV-0002GE-OM for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 09:31:55 +0000 Received: from [85.158.139.211:39862] by server-6.bemta-5.messagelabs.com id B0/58-25531-B8476B35; Fri, 04 Jul 2014 09:31:55 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-9.tower-206.messagelabs.com!1404466314!13640491!1 X-Originating-IP: [74.125.82.180] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26952 invoked from network); 4 Jul 2014 09:31:54 -0000 Received: from mail-we0-f180.google.com (HELO mail-we0-f180.google.com) (74.125.82.180) by server-9.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 4 Jul 2014 09:31:54 -0000 Received: by mail-we0-f180.google.com with SMTP id x48so1398738wes.25 for ; Fri, 04 Jul 2014 02:31:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=KUtXV3QilYkEYEUnKWdrHVm2yna1DDmNlOpBLRLbilQ=; b=BZpHsCGVBdSdxBSb622rVfWHbRqjR1TCnN3q9ecrQRTgOkMNrIWCkSTElJVZhkJojo J6Rw7WG14TInLtJI45L+raGL4phKQtBKs8OaKtuVuBP3hkjLeCyqZFtpLc7t0PD7eNMr 43XupqW6FbZtAtpVDIlsbbrEkMU6yECawTeOa2NpzHTKoUPUtbn5pQnNfUb1ara8teaR 1VOBp6ogcbi5kNYyOcqtXiPsTFgXtUqPdxl8lG5lR2cxPmku6/KJaKC27c/jAYOxV+X+ heRwFlZXnhAey4bCTDv6niDn0e/NPsyk23/R5E7ymAuX/KcaKnBZKqK4xQuh8dcvJFm0 wT7w== X-Received: by 10.180.39.33 with SMTP id m1mr16828316wik.82.1404466312955; Fri, 04 Jul 2014 02:31:52 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id i6sm77157720wiy.17.2014.07.04.02.31.51 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 04 Jul 2014 02:31:51 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> Date: Fri, 4 Jul 2014 10:31:49 +0100 Message-Id: <01E92DFF-DFA4-400C-99F2-12BC89001D6E@gazagnaire.org> References: <53B57EAA.3030805@mehnert.org> <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> To: Richard Mortier X-Mailer: Apple Mail (2.1878.2) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> ...So we ended up simplifying the build system (no needs for complex build rules anymore) but putting back the complexity in the functor language. And functors slowly started to contaminate our code base 'cause now, every library using a functor should also expose a functor. > > to check: the "contamination" you refer to is simply the (moderate) extra syntactic complexity of making the developer have to deal with functors, or are there other implications? This also means that when you are developing a new library which use an already functorised library, that new library also needs to be functorized over (at least) the same signatures. So if you are very far in the functor chain, the number of parametrised signature you should depend on might grow quite large. See [1] for instance ... but at least you fully track the dependencies and it is easier to switch, inside the langage instead of passing flags to the linker (as B. Pierce explained nicely in the slides that Daniel sent). [1] https://github.com/mirage/mirage-tcpip/blob/master/lib/tcpip_stack_direct.mli#L24 >> To tackle the difficulty of using functors, we had two strategies. The first one was to develop, during last december, an EDSL to describe the composition of functors[3], which was what we finally released in mirage 1.0. The second one was to be a bit more structured about how we design new libraries. We continue to use the linking trick for modules where there is clearly no way to have two concurrent implementation running at the same time in the same module. In the same time, we try to provide to the user, when possible, default functor instantiation in separate ocamlfind package to make easier to use the libraries. So most of the mirage libraries[4,5,...] are structured as follows: >> - a core ocamlfind package, which consumes and provides a functor, which is independent of the backend >> - a .lwt (should be called .unix really) ocamlfind subpackage, which applies the functors to work with Lwt_unix functions >> - a .xen ocamlfind subpackage, which applies the functors to work with mirage/xen > > how does this fly with functorising across Lwt vs Async as done with cohttp iirc? would that just mean that the .unix subpackage would have an extra module parameter supplying one or the other? I should have written .lwt_unix (instead of .unix). Yup, in cohttp we have a an other .async sub-package which instantiate the core functor with Async. The downside of that approach is the number of sub-packages might grow exponentially if we really want to have all of them -- so having partially instantiated functors for lwt-unix/async/xen makes usually is enough. >> Hope it helps clarifying things a little bit, > > yes actually :) this would make a useful blog post i think... (and perhaps content for a full-monty journal paper about mirage.) I really need to write the Irmin blog post first but yea, why not ... Thomas > > > -- > Cheers, > > R. > > > > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 09:52:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 09:52:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X309z-0002pR-HO; Fri, 04 Jul 2014 09:52:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X309x-0002pM-0H for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 09:52:01 +0000 Received: from [85.158.137.68:45564] by server-7.bemta-3.messagelabs.com id D8/07-05389-04976B35; Fri, 04 Jul 2014 09:52:00 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-16.tower-31.messagelabs.com!1404467519!14033390!1 X-Originating-IP: [195.62.217.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTk1LjYyLjIxNy4xNTAgPT4gNzU3Mg==\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9579 invoked from network); 4 Jul 2014 09:51:59 -0000 Received: from engine06-20433-6.icritical.com (HELO engine06-20433-6.icritical.com) (195.62.217.150) by server-16.tower-31.messagelabs.com with SMTP; 4 Jul 2014 09:51:59 -0000 Received: (qmail 21692 invoked from network); 4 Jul 2014 09:51:15 -0000 Received: from localhost (127.0.0.1) by engine06-20433-6.icritical.com with SMTP; 4 Jul 2014 09:51:15 -0000 Received: from engine06-20433-6.icritical.com ([127.0.0.1]) by localhost (engine06-20433-6.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 19912-09 for ; Fri, 4 Jul 2014 10:51:04 +0100 (BST) Received: (qmail 17311 invoked by uid 599); 4 Jul 2014 09:43:14 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine06-20433-6.icritical.com (qpsmtpd/0.28) with ESMTP; Fri, 04 Jul 2014 10:43:14 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X301Y-0000WA-BA; Fri, 04 Jul 2014 10:43:20 +0100 From: Richard Mortier To: Thomas Gazagnaire Date: Fri, 4 Jul 2014 10:43:18 +0100 Thread-Topic: [MirageOS-devel] mirage-entropy Thread-Index: Ac+XbGOf2b0XwgSiSZaYxjlEMRSVbA== Message-ID: <1DE67EE7-D452-46E8-94F2-B15DEA908053@nottingham.ac.uk> References: <53B57EAA.3030805@mehnert.org> <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> <01E92DFF-DFA4-400C-99F2-12BC89001D6E@gazagnaire.org> In-Reply-To: <01E92DFF-DFA4-400C-99F2-12BC89001D6E@gazagnaire.org> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine06-20433-6.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0899578907019310693==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0899578907019310693== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 4 Jul 2014, at 10:31, Thomas Gazagnaire = wrote: > ...This also means that when you are developing a new library which = use an already functorised library, that new library also needs to be = functorized over (at least) the same signatures. So if you are very far = in the functor chain, the number of parametrised signature you should = depend on might grow quite large. See [1] for instance ... but at least = you fully track the dependencies and it is easier to switch, inside the = langage instead of passing flags to the linker (as B. Pierce explained = nicely in the slides that Daniel sent). >=20 > [1] = https://github.com/mirage/mirage-tcpip/blob/master/lib/tcpip_stack_direct.= mli#L24 ok, understood. yes, those slides were interesting/useful. > ...I should have written .lwt_unix (instead of .unix). Yup, in cohttp = we have a an other .async sub-package which instantiate the core functor = with Async. The downside of that approach is the number of sub-packages = might grow exponentially if we really want to have all of them -- so = having partially instantiated functors for lwt-unix/async/xen makes = usually is enough. ok cool. i wonder in practice how big the N feeding into that = exponential will ever really be. also, just to be clear, the .xen = package is always really .lwt_xen and will always be so (or is there = prospect of xen using async?) >>> Hope it helps clarifying things a little bit, >>=20 >> yes actually :) this would make a useful blog post i think... (and = perhaps content for a full-monty journal paper about mirage.) >=20 > I really need to write the Irmin blog post first but yea, why not ... ofc-- irmin first :) this is more for background interest i guess... --=20 Cheers, R. --Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTtnc3AAoJEOLF27JWwSg3Wv0QAL0mcByglh3mG8nifwcoHpY0 9JiukNDp/dAHaAsgZuyotwrwnu9gcBbd/lUXDvIs/crV6wyHe3nI+Kv+4gnM7zqr wKFmASVr+0rsAc/M66QQHzyllS2oS1CZrdxMl4kRC2ZmbRvIosI8EtbHRIqKPxJn UC7lZN+Wdu3Jo6pLEutKxEXMusLf0cF7mhgaQ5gqY+KemRV7o8XwnvAFoe4XTS0R 7+rdQdMhVenpGC5NDEnsifoVQ5uKYH4VfLpo+ZRQD1wdBLsHKIuvXdULYva5o70R KbGY/yNrpqTU+jnqqwT6WkWJ+zT3zr5DTesLs9i2UEspWuGkzlxBZMA3MvtSg2mj ufJiJnqq3Pz3rluC6Ki9pmIBtMRo6jTXrZ2On7LT2HiaX8N14+eoC9hNceB4Jgkx JVXrh/w2qEqUscLULjYFjNjF9rhgP2U+uLdDXMU+Y4kEOfn2aSs4Ur227Oi6bOxY e9U8GxO1vWoWh2wOwG/RLDqTIoO8eYuh0gF3G5PMgOqovF/lPEIbaj4fyeVt999Y RKw1dzewGe+2LfZtydqIuV7MmmQI168LR9J7+a7MCB4vqAeHMaYBEenmCL4MraFu SZRODjhZ3RqBdaQcSiU+atUKWsDIYLdOgo2slr7HlVFaXkLd8491mb0qjKTS4Vyn lCrWjsKdf3slDFO1m4uH =QAxW -----END PGP SIGNATURE----- --Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5-- --===============0899578907019310693== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0899578907019310693==-- From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 09:52:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 09:52:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X309z-0002pR-HO; Fri, 04 Jul 2014 09:52:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X309x-0002pM-0H for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 09:52:01 +0000 Received: from [85.158.137.68:45564] by server-7.bemta-3.messagelabs.com id D8/07-05389-04976B35; Fri, 04 Jul 2014 09:52:00 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-16.tower-31.messagelabs.com!1404467519!14033390!1 X-Originating-IP: [195.62.217.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTk1LjYyLjIxNy4xNTAgPT4gNzU3Mg==\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9579 invoked from network); 4 Jul 2014 09:51:59 -0000 Received: from engine06-20433-6.icritical.com (HELO engine06-20433-6.icritical.com) (195.62.217.150) by server-16.tower-31.messagelabs.com with SMTP; 4 Jul 2014 09:51:59 -0000 Received: (qmail 21692 invoked from network); 4 Jul 2014 09:51:15 -0000 Received: from localhost (127.0.0.1) by engine06-20433-6.icritical.com with SMTP; 4 Jul 2014 09:51:15 -0000 Received: from engine06-20433-6.icritical.com ([127.0.0.1]) by localhost (engine06-20433-6.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 19912-09 for ; Fri, 4 Jul 2014 10:51:04 +0100 (BST) Received: (qmail 17311 invoked by uid 599); 4 Jul 2014 09:43:14 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine06-20433-6.icritical.com (qpsmtpd/0.28) with ESMTP; Fri, 04 Jul 2014 10:43:14 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X301Y-0000WA-BA; Fri, 04 Jul 2014 10:43:20 +0100 From: Richard Mortier To: Thomas Gazagnaire Date: Fri, 4 Jul 2014 10:43:18 +0100 Thread-Topic: [MirageOS-devel] mirage-entropy Thread-Index: Ac+XbGOf2b0XwgSiSZaYxjlEMRSVbA== Message-ID: <1DE67EE7-D452-46E8-94F2-B15DEA908053@nottingham.ac.uk> References: <53B57EAA.3030805@mehnert.org> <259434AD-480E-4EB4-A47D-FFE76DA5C8B0@nottingham.ac.uk> <01E92DFF-DFA4-400C-99F2-12BC89001D6E@gazagnaire.org> In-Reply-To: <01E92DFF-DFA4-400C-99F2-12BC89001D6E@gazagnaire.org> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine06-20433-6.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] mirage-entropy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0899578907019310693==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0899578907019310693== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 4 Jul 2014, at 10:31, Thomas Gazagnaire = wrote: > ...This also means that when you are developing a new library which = use an already functorised library, that new library also needs to be = functorized over (at least) the same signatures. So if you are very far = in the functor chain, the number of parametrised signature you should = depend on might grow quite large. See [1] for instance ... but at least = you fully track the dependencies and it is easier to switch, inside the = langage instead of passing flags to the linker (as B. Pierce explained = nicely in the slides that Daniel sent). >=20 > [1] = https://github.com/mirage/mirage-tcpip/blob/master/lib/tcpip_stack_direct.= mli#L24 ok, understood. yes, those slides were interesting/useful. > ...I should have written .lwt_unix (instead of .unix). Yup, in cohttp = we have a an other .async sub-package which instantiate the core functor = with Async. The downside of that approach is the number of sub-packages = might grow exponentially if we really want to have all of them -- so = having partially instantiated functors for lwt-unix/async/xen makes = usually is enough. ok cool. i wonder in practice how big the N feeding into that = exponential will ever really be. also, just to be clear, the .xen = package is always really .lwt_xen and will always be so (or is there = prospect of xen using async?) >>> Hope it helps clarifying things a little bit, >>=20 >> yes actually :) this would make a useful blog post i think... (and = perhaps content for a full-monty journal paper about mirage.) >=20 > I really need to write the Irmin blog post first but yea, why not ... ofc-- irmin first :) this is more for background interest i guess... --=20 Cheers, R. --Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTtnc3AAoJEOLF27JWwSg3Wv0QAL0mcByglh3mG8nifwcoHpY0 9JiukNDp/dAHaAsgZuyotwrwnu9gcBbd/lUXDvIs/crV6wyHe3nI+Kv+4gnM7zqr wKFmASVr+0rsAc/M66QQHzyllS2oS1CZrdxMl4kRC2ZmbRvIosI8EtbHRIqKPxJn UC7lZN+Wdu3Jo6pLEutKxEXMusLf0cF7mhgaQ5gqY+KemRV7o8XwnvAFoe4XTS0R 7+rdQdMhVenpGC5NDEnsifoVQ5uKYH4VfLpo+ZRQD1wdBLsHKIuvXdULYva5o70R KbGY/yNrpqTU+jnqqwT6WkWJ+zT3zr5DTesLs9i2UEspWuGkzlxBZMA3MvtSg2mj ufJiJnqq3Pz3rluC6Ki9pmIBtMRo6jTXrZ2On7LT2HiaX8N14+eoC9hNceB4Jgkx JVXrh/w2qEqUscLULjYFjNjF9rhgP2U+uLdDXMU+Y4kEOfn2aSs4Ur227Oi6bOxY e9U8GxO1vWoWh2wOwG/RLDqTIoO8eYuh0gF3G5PMgOqovF/lPEIbaj4fyeVt999Y RKw1dzewGe+2LfZtydqIuV7MmmQI168LR9J7+a7MCB4vqAeHMaYBEenmCL4MraFu SZRODjhZ3RqBdaQcSiU+atUKWsDIYLdOgo2slr7HlVFaXkLd8491mb0qjKTS4Vyn lCrWjsKdf3slDFO1m4uH =QAxW -----END PGP SIGNATURE----- --Apple-Mail=_3FFE27D9-1C9C-4FE1-8254-FAF9EEF078A5-- --===============0899578907019310693== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0899578907019310693==-- From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 11:58:11 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 11:58:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X327z-00009y-JJ; Fri, 04 Jul 2014 11:58:07 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X327y-00009k-09 for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 11:58:06 +0000 Received: from [85.158.137.68:13800] by server-7.bemta-3.messagelabs.com id AA/BA-05389-DC696B35; Fri, 04 Jul 2014 11:58:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-31.messagelabs.com!1404475084!13947957!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16620 invoked from network); 4 Jul 2014 11:58:04 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-15.tower-31.messagelabs.com with SMTP; 4 Jul 2014 11:58:04 -0000 Received: (qmail 25526 invoked by uid 634); 4 Jul 2014 11:58:04 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Fri, 04 Jul 2014 12:58:03 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 4 Jul 2014 12:58:02 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 Jul 2014, at 17:03, Thomas Leonard wrote: > https://github.com/mirage/mirage-platform/pull/93 > > This pull request removes dietlibc, libm and most of the header files > from mirage-platform, replacing them with external dependencies on > Mini-OS and openlibm. > > These changes do not themselves add support for ARM, but they do make > it very easy to add, since the new Mini-OS and openlibm both support > ARM, unlike the old code. > > There is no replacement libc. It turned out that the only thing we > needed was support for formatting floating point values. I took the > code for that from musl (the FreeBSD code was large and difficult to > separate out). > > To test: > > 1. Download and install libminios from > https://github.com/talex5/xen/releases/tag/minios-v0.1 > 2. Download and install openlibm from > https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 A minor inconsistency I notice here: libminios installs into /usr/lib by default (following the Xen convention), and openlibm installs into /usr/local/lib by default. It would actually be really convenient to install these into the ~/.opam space via an OPAM package, rather than an external installation. Any thoughts on that? I imagine one difficulty is ensuring that pkg-config can still pick up the installed packages in the ~/.opam namespace. I'm still testing the rest of the patch on x86_64 (hopefully this afternoon). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 11:58:11 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 11:58:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X327z-00009y-JJ; Fri, 04 Jul 2014 11:58:07 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X327y-00009k-09 for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 11:58:06 +0000 Received: from [85.158.137.68:13800] by server-7.bemta-3.messagelabs.com id AA/BA-05389-DC696B35; Fri, 04 Jul 2014 11:58:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-31.messagelabs.com!1404475084!13947957!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16620 invoked from network); 4 Jul 2014 11:58:04 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-15.tower-31.messagelabs.com with SMTP; 4 Jul 2014 11:58:04 -0000 Received: (qmail 25526 invoked by uid 634); 4 Jul 2014 11:58:04 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Fri, 04 Jul 2014 12:58:03 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 4 Jul 2014 12:58:02 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 2 Jul 2014, at 17:03, Thomas Leonard wrote: > https://github.com/mirage/mirage-platform/pull/93 > > This pull request removes dietlibc, libm and most of the header files > from mirage-platform, replacing them with external dependencies on > Mini-OS and openlibm. > > These changes do not themselves add support for ARM, but they do make > it very easy to add, since the new Mini-OS and openlibm both support > ARM, unlike the old code. > > There is no replacement libc. It turned out that the only thing we > needed was support for formatting floating point values. I took the > code for that from musl (the FreeBSD code was large and difficult to > separate out). > > To test: > > 1. Download and install libminios from > https://github.com/talex5/xen/releases/tag/minios-v0.1 > 2. Download and install openlibm from > https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 A minor inconsistency I notice here: libminios installs into /usr/lib by default (following the Xen convention), and openlibm installs into /usr/local/lib by default. It would actually be really convenient to install these into the ~/.opam space via an OPAM package, rather than an external installation. Any thoughts on that? I imagine one difficulty is ensuring that pkg-config can still pick up the installed packages in the ~/.opam namespace. I'm still testing the rest of the patch on x86_64 (hopefully this afternoon). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 12:03:27 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 12:03:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32D8-0000e7-Jc; Fri, 04 Jul 2014 12:03:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32D7-0000dy-4O for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 12:03:25 +0000 Received: from [85.158.139.211:47470] by server-1.bemta-5.messagelabs.com id F8/5B-30932-C0896B35; Fri, 04 Jul 2014 12:03:24 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-206.messagelabs.com!1404475403!13660272!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29166 invoked from network); 4 Jul 2014 12:03:23 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-206.messagelabs.com with SMTP; 4 Jul 2014 12:03:23 -0000 Received: (qmail 25781 invoked by uid 634); 4 Jul 2014 12:03:23 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Fri, 04 Jul 2014 13:03:22 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 4 Jul 2014 13:03:21 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 4 Jul 2014, at 12:58, Anil Madhavapeddy wrote: > On 2 Jul 2014, at 17:03, Thomas Leonard wrote: > >> https://github.com/mirage/mirage-platform/pull/93 >> >> This pull request removes dietlibc, libm and most of the header files >> from mirage-platform, replacing them with external dependencies on >> Mini-OS and openlibm. >> >> These changes do not themselves add support for ARM, but they do make >> it very easy to add, since the new Mini-OS and openlibm both support >> ARM, unlike the old code. >> >> There is no replacement libc. It turned out that the only thing we >> needed was support for formatting floating point values. I took the >> code for that from musl (the FreeBSD code was large and difficult to >> separate out). >> >> To test: >> >> 1. Download and install libminios from >> https://github.com/talex5/xen/releases/tag/minios-v0.1 >> 2. Download and install openlibm from >> https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 > > A minor inconsistency I notice here: > > libminios installs into /usr/lib by default (following the Xen convention), and openlibm installs into /usr/local/lib by default. It would actually be really convenient to install these into the ~/.opam space via an OPAM package, rather than an external installation. Also, shouldn't libminios be something more descriptive like 'libxenminios'? This will help upstream packaging later on. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 12:03:27 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 12:03:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32D8-0000e7-Jc; Fri, 04 Jul 2014 12:03:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32D7-0000dy-4O for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 12:03:25 +0000 Received: from [85.158.139.211:47470] by server-1.bemta-5.messagelabs.com id F8/5B-30932-C0896B35; Fri, 04 Jul 2014 12:03:24 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-206.messagelabs.com!1404475403!13660272!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29166 invoked from network); 4 Jul 2014 12:03:23 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-206.messagelabs.com with SMTP; 4 Jul 2014 12:03:23 -0000 Received: (qmail 25781 invoked by uid 634); 4 Jul 2014 12:03:23 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Fri, 04 Jul 2014 13:03:22 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 4 Jul 2014 13:03:21 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 4 Jul 2014, at 12:58, Anil Madhavapeddy wrote: > On 2 Jul 2014, at 17:03, Thomas Leonard wrote: > >> https://github.com/mirage/mirage-platform/pull/93 >> >> This pull request removes dietlibc, libm and most of the header files >> from mirage-platform, replacing them with external dependencies on >> Mini-OS and openlibm. >> >> These changes do not themselves add support for ARM, but they do make >> it very easy to add, since the new Mini-OS and openlibm both support >> ARM, unlike the old code. >> >> There is no replacement libc. It turned out that the only thing we >> needed was support for formatting floating point values. I took the >> code for that from musl (the FreeBSD code was large and difficult to >> separate out). >> >> To test: >> >> 1. Download and install libminios from >> https://github.com/talex5/xen/releases/tag/minios-v0.1 >> 2. Download and install openlibm from >> https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 > > A minor inconsistency I notice here: > > libminios installs into /usr/lib by default (following the Xen convention), and openlibm installs into /usr/local/lib by default. It would actually be really convenient to install these into the ~/.opam space via an OPAM package, rather than an external installation. Also, shouldn't libminios be something more descriptive like 'libxenminios'? This will help upstream packaging later on. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 12:50:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 12:50:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32x5-0002dB-Sv; Fri, 04 Jul 2014 12:50:55 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32x4-0002d6-Hb for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 12:50:54 +0000 Received: from [193.109.254.147:33622] by server-10.bemta-14.messagelabs.com id 8A/2F-01431-D23A6B35; Fri, 04 Jul 2014 12:50:53 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1404478251!10876652!1 X-Originating-IP: [209.85.214.180] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22667 invoked from network); 4 Jul 2014 12:50:52 -0000 Received: from mail-ob0-f180.google.com (HELO mail-ob0-f180.google.com) (209.85.214.180) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 4 Jul 2014 12:50:52 -0000 Received: by mail-ob0-f180.google.com with SMTP id vb8so1774971obc.25 for ; Fri, 04 Jul 2014 05:50:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=pkAFgPEShH71b21zDjciIn6zoXMXxt31h7/aDCicjfo=; b=kOYkZlk4pYwRvDs+R8aXBvskL6j08GLWxK6JKjt3N81NOA4KgeEn8dnVskHkfgqtDZ +uACe5+3I8EhIBKNUCO2CyQOVu6N89K9tRbt2XY1q0sDgkDNhcQfh/fhKvjieTAZPdP6 6T5zSh9XkurCZ2AXeRuHFaz+ZEa61+fYjpvTRB76vqRk+YyLJBm1IwgvTrz8u5AjNWnj jKwJ37gAAEZ6aGDzvvq7ohu/H1SGkG5tMDOyIbttJHddg1F74Vn7QKuUmeG/tWNSeL6f 9sZ2BCtPAGJd+BdMlXoTcXSpEd+iVv4juCo/lPL7g2pCfAnrTmhXkyIz3zUOC8gtEuJN gtmw== MIME-Version: 1.0 X-Received: by 10.182.104.66 with SMTP id gc2mr11945181obb.17.1404478251464; Fri, 04 Jul 2014 05:50:51 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Fri, 4 Jul 2014 05:50:51 -0700 (PDT) In-Reply-To: References: Date: Fri, 4 Jul 2014 13:50:51 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 4 July 2014 13:03, Anil Madhavapeddy wrote: > On 4 Jul 2014, at 12:58, Anil Madhavapeddy wrote: > >> On 2 Jul 2014, at 17:03, Thomas Leonard wrote: >> >>> https://github.com/mirage/mirage-platform/pull/93 >>> >>> This pull request removes dietlibc, libm and most of the header files >>> from mirage-platform, replacing them with external dependencies on >>> Mini-OS and openlibm. >>> >>> These changes do not themselves add support for ARM, but they do make >>> it very easy to add, since the new Mini-OS and openlibm both support >>> ARM, unlike the old code. >>> >>> There is no replacement libc. It turned out that the only thing we >>> needed was support for formatting floating point values. I took the >>> code for that from musl (the FreeBSD code was large and difficult to >>> separate out). >>> >>> To test: >>> >>> 1. Download and install libminios from >>> https://github.com/talex5/xen/releases/tag/minios-v0.1 >>> 2. Download and install openlibm from >>> https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 >> >> A minor inconsistency I notice here: >> >> libminios installs into /usr/lib by default (following the Xen convention), and openlibm installs into /usr/local/lib by default. It would actually be really convenient to install these into the ~/.opam space via an OPAM package, rather than an external installation. You can install libminios elsewhere with e.g. $ make install LIBDIR=/tmp/foo/lib INCLUDEDIR=/tmp/foo/include Just remember to set PKG_CONFIG_PATH to find it again: $ PKG_CONFIG_PATH=/tmp/foo/lib/pkgconfig pkg-config --libs libminios -L/tmp/foo/usr/lib/pkgconfig/../../lib/mini-os -lminios -T /tmp/foo/usr/lib/pkgconfig/../../lib/mini-os/libminios.lds -m elf_x86_64 -lx86_64 (note: it does assume that LIBDIR and INCLUDEDIR have a common parent) For openlibm, use: $ make install prefix=/tmp/foo I guess someone with OPAM skills could do this pretty easily... > Also, shouldn't libminios be something more descriptive like 'libxenminios'? This will help upstream packaging later on. Yes, probably. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 04 12:50:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 04 Jul 2014 12:50:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32x5-0002dB-Sv; Fri, 04 Jul 2014 12:50:55 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X32x4-0002d6-Hb for mirageos-devel@lists.xenproject.org; Fri, 04 Jul 2014 12:50:54 +0000 Received: from [193.109.254.147:33622] by server-10.bemta-14.messagelabs.com id 8A/2F-01431-D23A6B35; Fri, 04 Jul 2014 12:50:53 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1404478251!10876652!1 X-Originating-IP: [209.85.214.180] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22667 invoked from network); 4 Jul 2014 12:50:52 -0000 Received: from mail-ob0-f180.google.com (HELO mail-ob0-f180.google.com) (209.85.214.180) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 4 Jul 2014 12:50:52 -0000 Received: by mail-ob0-f180.google.com with SMTP id vb8so1774971obc.25 for ; Fri, 04 Jul 2014 05:50:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=pkAFgPEShH71b21zDjciIn6zoXMXxt31h7/aDCicjfo=; b=kOYkZlk4pYwRvDs+R8aXBvskL6j08GLWxK6JKjt3N81NOA4KgeEn8dnVskHkfgqtDZ +uACe5+3I8EhIBKNUCO2CyQOVu6N89K9tRbt2XY1q0sDgkDNhcQfh/fhKvjieTAZPdP6 6T5zSh9XkurCZ2AXeRuHFaz+ZEa61+fYjpvTRB76vqRk+YyLJBm1IwgvTrz8u5AjNWnj jKwJ37gAAEZ6aGDzvvq7ohu/H1SGkG5tMDOyIbttJHddg1F74Vn7QKuUmeG/tWNSeL6f 9sZ2BCtPAGJd+BdMlXoTcXSpEd+iVv4juCo/lPL7g2pCfAnrTmhXkyIz3zUOC8gtEuJN gtmw== MIME-Version: 1.0 X-Received: by 10.182.104.66 with SMTP id gc2mr11945181obb.17.1404478251464; Fri, 04 Jul 2014 05:50:51 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Fri, 4 Jul 2014 05:50:51 -0700 (PDT) In-Reply-To: References: Date: Fri, 4 Jul 2014 13:50:51 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 4 July 2014 13:03, Anil Madhavapeddy wrote: > On 4 Jul 2014, at 12:58, Anil Madhavapeddy wrote: > >> On 2 Jul 2014, at 17:03, Thomas Leonard wrote: >> >>> https://github.com/mirage/mirage-platform/pull/93 >>> >>> This pull request removes dietlibc, libm and most of the header files >>> from mirage-platform, replacing them with external dependencies on >>> Mini-OS and openlibm. >>> >>> These changes do not themselves add support for ARM, but they do make >>> it very easy to add, since the new Mini-OS and openlibm both support >>> ARM, unlike the old code. >>> >>> There is no replacement libc. It turned out that the only thing we >>> needed was support for formatting floating point values. I took the >>> code for that from musl (the FreeBSD code was large and difficult to >>> separate out). >>> >>> To test: >>> >>> 1. Download and install libminios from >>> https://github.com/talex5/xen/releases/tag/minios-v0.1 >>> 2. Download and install openlibm from >>> https://github.com/talex5/openlibm/releases/tag/v0.3.1-tal1 >> >> A minor inconsistency I notice here: >> >> libminios installs into /usr/lib by default (following the Xen convention), and openlibm installs into /usr/local/lib by default. It would actually be really convenient to install these into the ~/.opam space via an OPAM package, rather than an external installation. You can install libminios elsewhere with e.g. $ make install LIBDIR=/tmp/foo/lib INCLUDEDIR=/tmp/foo/include Just remember to set PKG_CONFIG_PATH to find it again: $ PKG_CONFIG_PATH=/tmp/foo/lib/pkgconfig pkg-config --libs libminios -L/tmp/foo/usr/lib/pkgconfig/../../lib/mini-os -lminios -T /tmp/foo/usr/lib/pkgconfig/../../lib/mini-os/libminios.lds -m elf_x86_64 -lx86_64 (note: it does assume that LIBDIR and INCLUDEDIR have a common parent) For openlibm, use: $ make install prefix=/tmp/foo I guess someone with OPAM skills could do this pretty easily... > Also, shouldn't libminios be something more descriptive like 'libxenminios'? This will help upstream packaging later on. Yes, probably. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 17:51:57 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 17:51:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qbO-0005ve-UO; Sun, 06 Jul 2014 17:51:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qbN-0005vZ-Q9 for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 17:51:49 +0000 Received: from [193.109.254.147:18097] by server-1.bemta-14.messagelabs.com id B3/83-14887-5BC89B35; Sun, 06 Jul 2014 17:51:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-27.messagelabs.com!1404669108!15693896!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21415 invoked from network); 6 Jul 2014 17:51:48 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-3.tower-27.messagelabs.com with SMTP; 6 Jul 2014 17:51:48 -0000 Received: (qmail 17048 invoked by uid 634); 6 Jul 2014 17:51:47 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 18:51:46 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sun, 6 Jul 2014 18:51:45 +0100 Message-Id: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 4 Jul 2014, at 13:50, Thomas Leonard wrote: > > You can install libminios elsewhere with e.g. > > $ make install LIBDIR=/tmp/foo/lib INCLUDEDIR=/tmp/foo/include > > Just remember to set PKG_CONFIG_PATH to find it again: > > $ PKG_CONFIG_PATH=/tmp/foo/lib/pkgconfig pkg-config --libs libminios > -L/tmp/foo/usr/lib/pkgconfig/../../lib/mini-os -lminios -T > /tmp/foo/usr/lib/pkgconfig/../../lib/mini-os/libminios.lds -m > elf_x86_64 -lx86_64 > > (note: it does assume that LIBDIR and INCLUDEDIR have a common parent) > > For openlibm, use: > > $ make install prefix=/tmp/foo > > I guess someone with OPAM skills could do this pretty easily... Done. I put a small package called 'xen-minios' into: https://github.com/mirage/opam-repository in the external-minios branch. It just runs the `install.sh` in this repository: https://github.com/mirage/mirage-xen-libs which downloads and installs our openlibm/minios forks into the ~/.opam dirspace (or optionally into some other PREFIX if specified). I think it might be a good idea to maintain this library (perhaps with a better name, like mirage-xen-minios) in the future, since it's a convenient place to apply distribution-specific patches to MiniOS (like cleaning up the startup text to be prettier), and also to control which versions of libm go in. How about I rename the repository to mirage-xen-minios, and cut a release tarball that bundles the upstream .tar.gz files (so `make install` can run without any external downloads)? Once that's done, I just needed a few minor patches to your mirage-platform pull request: - The symlink handling in OPAM is annoying right now, since it destroys them from the source repository. On the other hand, the only reason we have symlinks in mirage-platform is to support two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think it's time to retire 4.00.1 (especially with the ARM code gen fixes in 4.01.0), so I've removed it entirely and made the only supported runtime 4.01.0. - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I had a quick chat about how best to support this from OPAM, but the easiest way right now is to run `opam config var prefix` to determine the active compiler switch, and set the variable based off that. I've put these patches into: https://github.com/mirage/mirage-platform/pull/94 And it boots on x86_64! A little more verbose as expected: Mapping memory range 0x400000 - 0x10000000 setting 0000000000000000-00000000000de000 readonly skipped 0000000000001000 MM: Initialise page allocator for 28e000(28e000)-10000000(10000000) MM: done Demand map pfns at 10001000-2010001000. Initialising timer interface Initialising console ... done. gnttab_table mapped at 0000000010001000. xencaml: app_main_thread getenv(OCAMLRUNPARAM) -> null getenv(CAMLRUNPARAM) -> null Unsupported function lseek called in Mini-OS kernel Unsupported function lseek called in Mini-OS kernel Unsupported function lseek called in Mini-OS kernel getenv(OCAMLRUNPARAM) -> null getenv(CAMLRUNPARAM) -> null getenv(TMPDIR) -> null getenv(TEMP) -> null hello world hello world hello world hello world hello world main returned 0 And static_website worked too, so networking is fine too: $ curl -v 10.11.12.76 * Rebuilt URL to: 10.11.12.76/ * Hostname was NOT found in DNS cache * Trying 10.11.12.76... * Connected to 10.11.12.76 (10.11.12.76) port 80 (#0) > GET / HTTP/1.1 > User-Agent: curl/7.37.0 > Host: 10.11.12.76 > Accept: */* > < HTTP/1.1 200 OK < content-length: 59 <

Hello Mirage World!

* Connection #0 to host 10.11.12.76 left intact Now resurrecting a Cubieboard2 to try it on ARM :-) -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 17:51:57 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 17:51:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qbO-0005ve-UO; Sun, 06 Jul 2014 17:51:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qbN-0005vZ-Q9 for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 17:51:49 +0000 Received: from [193.109.254.147:18097] by server-1.bemta-14.messagelabs.com id B3/83-14887-5BC89B35; Sun, 06 Jul 2014 17:51:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-27.messagelabs.com!1404669108!15693896!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21415 invoked from network); 6 Jul 2014 17:51:48 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-3.tower-27.messagelabs.com with SMTP; 6 Jul 2014 17:51:48 -0000 Received: (qmail 17048 invoked by uid 634); 6 Jul 2014 17:51:47 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 18:51:46 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sun, 6 Jul 2014 18:51:45 +0100 Message-Id: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 4 Jul 2014, at 13:50, Thomas Leonard wrote: > > You can install libminios elsewhere with e.g. > > $ make install LIBDIR=/tmp/foo/lib INCLUDEDIR=/tmp/foo/include > > Just remember to set PKG_CONFIG_PATH to find it again: > > $ PKG_CONFIG_PATH=/tmp/foo/lib/pkgconfig pkg-config --libs libminios > -L/tmp/foo/usr/lib/pkgconfig/../../lib/mini-os -lminios -T > /tmp/foo/usr/lib/pkgconfig/../../lib/mini-os/libminios.lds -m > elf_x86_64 -lx86_64 > > (note: it does assume that LIBDIR and INCLUDEDIR have a common parent) > > For openlibm, use: > > $ make install prefix=/tmp/foo > > I guess someone with OPAM skills could do this pretty easily... Done. I put a small package called 'xen-minios' into: https://github.com/mirage/opam-repository in the external-minios branch. It just runs the `install.sh` in this repository: https://github.com/mirage/mirage-xen-libs which downloads and installs our openlibm/minios forks into the ~/.opam dirspace (or optionally into some other PREFIX if specified). I think it might be a good idea to maintain this library (perhaps with a better name, like mirage-xen-minios) in the future, since it's a convenient place to apply distribution-specific patches to MiniOS (like cleaning up the startup text to be prettier), and also to control which versions of libm go in. How about I rename the repository to mirage-xen-minios, and cut a release tarball that bundles the upstream .tar.gz files (so `make install` can run without any external downloads)? Once that's done, I just needed a few minor patches to your mirage-platform pull request: - The symlink handling in OPAM is annoying right now, since it destroys them from the source repository. On the other hand, the only reason we have symlinks in mirage-platform is to support two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think it's time to retire 4.00.1 (especially with the ARM code gen fixes in 4.01.0), so I've removed it entirely and made the only supported runtime 4.01.0. - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I had a quick chat about how best to support this from OPAM, but the easiest way right now is to run `opam config var prefix` to determine the active compiler switch, and set the variable based off that. I've put these patches into: https://github.com/mirage/mirage-platform/pull/94 And it boots on x86_64! A little more verbose as expected: Mapping memory range 0x400000 - 0x10000000 setting 0000000000000000-00000000000de000 readonly skipped 0000000000001000 MM: Initialise page allocator for 28e000(28e000)-10000000(10000000) MM: done Demand map pfns at 10001000-2010001000. Initialising timer interface Initialising console ... done. gnttab_table mapped at 0000000010001000. xencaml: app_main_thread getenv(OCAMLRUNPARAM) -> null getenv(CAMLRUNPARAM) -> null Unsupported function lseek called in Mini-OS kernel Unsupported function lseek called in Mini-OS kernel Unsupported function lseek called in Mini-OS kernel getenv(OCAMLRUNPARAM) -> null getenv(CAMLRUNPARAM) -> null getenv(TMPDIR) -> null getenv(TEMP) -> null hello world hello world hello world hello world hello world main returned 0 And static_website worked too, so networking is fine too: $ curl -v 10.11.12.76 * Rebuilt URL to: 10.11.12.76/ * Hostname was NOT found in DNS cache * Trying 10.11.12.76... * Connected to 10.11.12.76 (10.11.12.76) port 80 (#0) > GET / HTTP/1.1 > User-Agent: curl/7.37.0 > Host: 10.11.12.76 > Accept: */* > < HTTP/1.1 200 OK < content-length: 59 <

Hello Mirage World!

* Connection #0 to host 10.11.12.76 left intact Now resurrecting a Cubieboard2 to try it on ARM :-) -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 17:55:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 17:55:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qf4-0005z6-Ay; Sun, 06 Jul 2014 17:55:38 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qf2-0005yz-W0 for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 17:55:37 +0000 Received: from [193.109.254.147:61471] by server-3.bemta-14.messagelabs.com id 3C/A3-13460-89D89B35; Sun, 06 Jul 2014 17:55:36 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-27.messagelabs.com!1404669335!15786298!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30683 invoked from network); 6 Jul 2014 17:55:35 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-27.messagelabs.com with SMTP; 6 Jul 2014 17:55:35 -0000 Received: (qmail 32438 invoked by uid 634); 6 Jul 2014 17:55:35 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 18:55:31 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Sun, 6 Jul 2014 18:55:30 +0100 Message-Id: <5F729334-96DE-4050-A172-E84AF8B1866E@recoil.org> References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 Jul 2014, at 18:51, Anil Madhavapeddy wrote: > I think it might be a good idea to maintain this library (perhaps with > a better name, like mirage-xen-minios) in the future, since it's a > convenient place to apply distribution-specific patches to MiniOS > (like cleaning up the startup text to be prettier), and also to > control which versions of libm go in. How about I rename the > repository to mirage-xen-minios, and cut a release tarball that bundles > the upstream .tar.gz files (so `make install` can run without any > external downloads)? We could alternatively use git submodules too, but that interacts badly with OPAM 1.1.x; https://github.com/ocaml/opam/issues/1422 -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 17:55:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 17:55:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qf4-0005z6-Ay; Sun, 06 Jul 2014 17:55:38 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qf2-0005yz-W0 for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 17:55:37 +0000 Received: from [193.109.254.147:61471] by server-3.bemta-14.messagelabs.com id 3C/A3-13460-89D89B35; Sun, 06 Jul 2014 17:55:36 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-27.messagelabs.com!1404669335!15786298!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30683 invoked from network); 6 Jul 2014 17:55:35 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-27.messagelabs.com with SMTP; 6 Jul 2014 17:55:35 -0000 Received: (qmail 32438 invoked by uid 634); 6 Jul 2014 17:55:35 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 18:55:31 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Sun, 6 Jul 2014 18:55:30 +0100 Message-Id: <5F729334-96DE-4050-A172-E84AF8B1866E@recoil.org> References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 Jul 2014, at 18:51, Anil Madhavapeddy wrote: > I think it might be a good idea to maintain this library (perhaps with > a better name, like mirage-xen-minios) in the future, since it's a > convenient place to apply distribution-specific patches to MiniOS > (like cleaning up the startup text to be prettier), and also to > control which versions of libm go in. How about I rename the > repository to mirage-xen-minios, and cut a release tarball that bundles > the upstream .tar.gz files (so `make install` can run without any > external downloads)? We could alternatively use git submodules too, but that interacts badly with OPAM 1.1.x; https://github.com/ocaml/opam/issues/1422 -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 18:03:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 18:03:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qmm-0006Cn-1I; Sun, 06 Jul 2014 18:03:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qmk-0006Ci-Fc for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 18:03:34 +0000 Received: from [193.109.254.147:32971] by server-3.bemta-14.messagelabs.com id FC/C5-13460-27F89B35; Sun, 06 Jul 2014 18:03:30 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-27.messagelabs.com!1404669809!15786797!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23005 invoked from network); 6 Jul 2014 18:03:29 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-27.messagelabs.com with SMTP; 6 Jul 2014 18:03:29 -0000 Received: (qmail 30677 invoked by uid 634); 6 Jul 2014 18:03:29 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 19:03:29 +0100 From: Anil Madhavapeddy Message-Id: <97EAC64E-CCB9-4A93-A828-05E2B14D664D@recoil.org> Date: Sun, 6 Jul 2014 19:03:27 +0100 To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Subject: [MirageOS-devel] ANN: Cstruct 1.3.0 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org By popular request, Cstruct 1.3.0 is now in OPAM [1], and supports Sexplib by default! It also includes extra bounds checks within Cstruct sub-views, thanks to Mindy discovering this while attacking our TCP stack with dodgy packets (interesting discussion in [2]). # #require "cstruct";; # #require "sexplib.top";; # Cstruct.sexp_of_t (Cstruct.create 5);; - : Sexplib.Type.t = ((buffer \y886%m.) (off 0) (len 5)) The sexplib addition makes it much easier to decorate upstream libraries (like TCP/IP) with a `sexp` serializer to obtain a stable serialisation. * Add bounds checks for Cstruct.BE/LE functions that violate a view. Previously, only bounds errors on the underlying buffers would raise. Bug #25, reported by Mindy Preston inmirage/mirage-tcpip#56. * Add 'Lwt_cstruct.complete' to ensure that read/write operations run to completion. * Add Sexplib conversion functions to Cstruct.t values (#27 #22). [1] https://github.com/mirage/ocaml-cstruct/releases/tag/v1.3.0 [2] https://github.com/mirage/mirage-tcpip/issues/56 -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 18:03:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 18:03:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qmm-0006Cn-1I; Sun, 06 Jul 2014 18:03:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3qmk-0006Ci-Fc for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 18:03:34 +0000 Received: from [193.109.254.147:32971] by server-3.bemta-14.messagelabs.com id FC/C5-13460-27F89B35; Sun, 06 Jul 2014 18:03:30 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-27.messagelabs.com!1404669809!15786797!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23005 invoked from network); 6 Jul 2014 18:03:29 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-27.messagelabs.com with SMTP; 6 Jul 2014 18:03:29 -0000 Received: (qmail 30677 invoked by uid 634); 6 Jul 2014 18:03:29 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 19:03:29 +0100 From: Anil Madhavapeddy Message-Id: <97EAC64E-CCB9-4A93-A828-05E2B14D664D@recoil.org> Date: Sun, 6 Jul 2014 19:03:27 +0100 To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Subject: [MirageOS-devel] ANN: Cstruct 1.3.0 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org By popular request, Cstruct 1.3.0 is now in OPAM [1], and supports Sexplib by default! It also includes extra bounds checks within Cstruct sub-views, thanks to Mindy discovering this while attacking our TCP stack with dodgy packets (interesting discussion in [2]). # #require "cstruct";; # #require "sexplib.top";; # Cstruct.sexp_of_t (Cstruct.create 5);; - : Sexplib.Type.t = ((buffer \y886%m.) (off 0) (len 5)) The sexplib addition makes it much easier to decorate upstream libraries (like TCP/IP) with a `sexp` serializer to obtain a stable serialisation. * Add bounds checks for Cstruct.BE/LE functions that violate a view. Previously, only bounds errors on the underlying buffers would raise. Bug #25, reported by Mindy Preston inmirage/mirage-tcpip#56. * Add 'Lwt_cstruct.complete' to ensure that read/write operations run to completion. * Add Sexplib conversion functions to Cstruct.t values (#27 #22). [1] https://github.com/mirage/ocaml-cstruct/releases/tag/v1.3.0 [2] https://github.com/mirage/mirage-tcpip/issues/56 -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 19:30:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 19:30:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3s8W-0007Od-O1; Sun, 06 Jul 2014 19:30:08 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3s8U-0007OV-Ks for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 19:30:06 +0000 Received: from [85.158.139.211:20428] by server-12.bemta-5.messagelabs.com id 41/B6-27841-DB3A9B35; Sun, 06 Jul 2014 19:30:05 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1404675005!13966597!1 X-Originating-IP: [74.125.82.47] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31870 invoked from network); 6 Jul 2014 19:30:05 -0000 Received: from mail-wg0-f47.google.com (HELO mail-wg0-f47.google.com) (74.125.82.47) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 6 Jul 2014 19:30:05 -0000 Received: by mail-wg0-f47.google.com with SMTP id l18so802444wgh.30 for ; Sun, 06 Jul 2014 12:30:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=I6bJ/uWed6+4z0UJS8hd6WAD0zZlyjIrwjT3kFezaVY=; b=qGBrYlbMKRHxVG8aUm0o5oHfoSOzVUktA4p+O/ry1tmq/2M/F7Td2s9MiMXZxNfbVL JQMmC9XN2m5osDPdk8LOl9qipyXmhO7fdYlQbHR+utzCvTGRCvl0UIGC/JqvKmR5p8Rd JcXzfRYndsg/mckSiFCdlSKNcK7Nnq0cdgUkhq7Mpe+0Jj7ZN63kREUO6J1TjfuYEfls ncIKBnXw9/qSi/+ItbG03Eq0gIsRmgNi2YQaFM0inQBenDzX/1FDzhqJi7JidJh2lqxO //qi8FmM8rSZX24+FXqQeNTfz1qNtWsh6Qs9kc3h6f3Qudyx1eS7V+wFIRGdxzw4qh/J WIBA== X-Received: by 10.194.158.164 with SMTP id wv4mr1241397wjb.124.1404675005067; Sun, 06 Jul 2014 12:30:05 -0700 (PDT) Received: from piana.home (ARennes-654-1-89-101.w2-10.abo.wanadoo.fr. [2.10.184.101]) by mx.google.com with ESMTPSA id fb15sm106198285wid.23.2014.07.06.12.30.03 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 06 Jul 2014 12:30:04 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> Date: Sun, 6 Jul 2014 20:30:02 +0100 Message-Id: <971F59E0-7FB9-474C-A4BE-5F41AC4EC3B9@gazagnaire.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.1878.2) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> Persistence >> ----------- >> >> mirage/irmin - Distributed database with Git-like properties >> samoht/ocaml-git - OCaml low level git bindings >> mirage/ocaml-lazy-trie - Lazy trie data structure >> samoht/ocaml-bloom-filter - Bloom filters in OCaml >> mirage/orm - ORM-style relational mapper >> samoht/mqueue - Distributed, persistent queues > > There's also > https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml I've also just moved mstruct: https://github.com/mirage/ocaml-mstruct to have mutable cstruct (where every operations move the window bounds). Thomas > > >> >> >> Filesystems and Block Storage >> ------------- >> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >> mirage/ocaml-fat - FAT format file system >> mirage/xen-disk - Example userspace blkback in >> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >> mirage/mirage-fs-unix - Unix filesystem passthrough >> dsheets/profuse - FUSE protocol implementation >> >> Network Stack >> ------------- >> mirage/mirage-tcpip - OCaml TCP/IP stack >> mirage/mirage-net-xen - Xen Netfront ethernet device driver >> mirage/mirage-net-unix - Ethernet interface using tuntap >> mirage/ocaml-tuntap - bindings to UNIX tuntap >> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >> mirage/ocaml-conduit - Establish connections via multiple mechanisms >> mirage/ocaml-dns - DNS protocol >> >> Security >> -------- >> >> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >> mirleft/ocaml-nocrypto - libc-free crypto implementations >> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >> dsheets/ocaml-sodium - bindings to NaCL crypto >> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >> >> Foreign Language Interface >> -------------------------- >> >> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >> samoht/mstruct - mutable cstruct interface >> ocamllabs/ocaml-ctypes - >> >> Xen support >> ----------- >> >> mirage/shared-memory-ring - Xen style shared memory ring >> mirage/io-page - IO memory page library >> mirage/ocaml-xenstore - Client, server and Xenstore protocol >> djs55/ocaml-xenstore-clients - >> mirage/mirage-block-xen - Xen blkfront driver for Mirage >> mirage/ocaml-vchan - Inter-VM shared memory communication >> >> HTTP Utilities >> ------------- >> mirage/ocaml-cohttp - Light weight HTTP server >> mirage/cowabloga - Zurb Foundation templates for blog/wiki >> mirage/ocaml-uri - URI and URL handling >> mirage/mirage-http - Mirage HTTP client and server >> mirage/ocaml-cow - Caml on the Web >> ocaml/omd - Markdown implementation in OCaml >> >> Misc Utilities >> -------------- >> mirage/mirage-console - Portable application console >> mirage/ocaml-pcap - Capture and analyse pcap files >> avsm/ocaml-github - GitHub API bindings >> mirage/dyntype - Dynamic types for OCaml >> >> >> Reference Applications >> ---------------------- >> mirage/mirage-www - complete openmirage.org site and server >> mirage/mirage-decks - Presentations written using Mirage about Mirage >> mirage/mirage-skeleton - Build skeleton, tests and examples >> >> Docker and Vagrant >> ------------------ >> >> mirage/mirage-vagrant-vms - Build Vagrant images >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 19:30:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 19:30:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3s8W-0007Od-O1; Sun, 06 Jul 2014 19:30:08 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3s8U-0007OV-Ks for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 19:30:06 +0000 Received: from [85.158.139.211:20428] by server-12.bemta-5.messagelabs.com id 41/B6-27841-DB3A9B35; Sun, 06 Jul 2014 19:30:05 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1404675005!13966597!1 X-Originating-IP: [74.125.82.47] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31870 invoked from network); 6 Jul 2014 19:30:05 -0000 Received: from mail-wg0-f47.google.com (HELO mail-wg0-f47.google.com) (74.125.82.47) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 6 Jul 2014 19:30:05 -0000 Received: by mail-wg0-f47.google.com with SMTP id l18so802444wgh.30 for ; Sun, 06 Jul 2014 12:30:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=I6bJ/uWed6+4z0UJS8hd6WAD0zZlyjIrwjT3kFezaVY=; b=qGBrYlbMKRHxVG8aUm0o5oHfoSOzVUktA4p+O/ry1tmq/2M/F7Td2s9MiMXZxNfbVL JQMmC9XN2m5osDPdk8LOl9qipyXmhO7fdYlQbHR+utzCvTGRCvl0UIGC/JqvKmR5p8Rd JcXzfRYndsg/mckSiFCdlSKNcK7Nnq0cdgUkhq7Mpe+0Jj7ZN63kREUO6J1TjfuYEfls ncIKBnXw9/qSi/+ItbG03Eq0gIsRmgNi2YQaFM0inQBenDzX/1FDzhqJi7JidJh2lqxO //qi8FmM8rSZX24+FXqQeNTfz1qNtWsh6Qs9kc3h6f3Qudyx1eS7V+wFIRGdxzw4qh/J WIBA== X-Received: by 10.194.158.164 with SMTP id wv4mr1241397wjb.124.1404675005067; Sun, 06 Jul 2014 12:30:05 -0700 (PDT) Received: from piana.home (ARennes-654-1-89-101.w2-10.abo.wanadoo.fr. [2.10.184.101]) by mx.google.com with ESMTPSA id fb15sm106198285wid.23.2014.07.06.12.30.03 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 06 Jul 2014 12:30:04 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> Date: Sun, 6 Jul 2014 20:30:02 +0100 Message-Id: <971F59E0-7FB9-474C-A4BE-5F41AC4EC3B9@gazagnaire.org> References: <310551E9-D116-4544-A705-2C9844F101A5@recoil.org> <1A663DA9-5717-4BBD-94D0-A8AE09B8C2F8@gazagnaire.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.1878.2) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Snapshot of all mirageos repos X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> Persistence >> ----------- >> >> mirage/irmin - Distributed database with Git-like properties >> samoht/ocaml-git - OCaml low level git bindings >> mirage/ocaml-lazy-trie - Lazy trie data structure >> samoht/ocaml-bloom-filter - Bloom filters in OCaml >> mirage/orm - ORM-style relational mapper >> samoht/mqueue - Distributed, persistent queues > > There's also > https://github.com/mirage/ocaml-bloom-filters - Bloom Filters Library in OCaml I've also just moved mstruct: https://github.com/mirage/ocaml-mstruct to have mutable cstruct (where every operations move the window bounds). Thomas > > >> >> >> Filesystems and Block Storage >> ------------- >> mirage/mirage-block-volume - Implementation of Linux LVM in OCaml >> mirage/mirage-block-unix - Unix mmap-based block driver for Mirage >> mirage/ocaml-fat - FAT format file system >> mirage/xen-disk - Example userspace blkback in >> mirage/ocaml-crunch - Convert a filesystem into a static Oaml module >> mirage/mirage-fs-unix - Unix filesystem passthrough >> dsheets/profuse - FUSE protocol implementation >> >> Network Stack >> ------------- >> mirage/mirage-tcpip - OCaml TCP/IP stack >> mirage/mirage-net-xen - Xen Netfront ethernet device driver >> mirage/mirage-net-unix - Ethernet interface using tuntap >> mirage/ocaml-tuntap - bindings to UNIX tuntap >> mirage/ocaml-ipaddr - IPv4 and IPv6 parsing and manipulation >> mirage/ocaml-conduit - Establish connections via multiple mechanisms >> mirage/ocaml-dns - DNS protocol >> >> Security >> -------- >> >> mirleft/ocaml-asn1-combinators - parse ASN.1 formats >> mirleft/ocaml-x509 - X509 (RFC5280) certificate handling >> mirleft/ocaml-nocrypto - libc-free crypto implementations >> mirleft/ocaml-tls - TLS 1.x implementation in pure OCaml >> dsheets/ocaml-sodium - bindings to NaCL crypto >> dsheets/ocaml-dnscurve - implementation of DNSCurve protocol >> >> Foreign Language Interface >> -------------------------- >> >> mirage/ocaml-cstruct - Map OCaml arrays to C-like structs >> samoht/mstruct - mutable cstruct interface >> ocamllabs/ocaml-ctypes - >> >> Xen support >> ----------- >> >> mirage/shared-memory-ring - Xen style shared memory ring >> mirage/io-page - IO memory page library >> mirage/ocaml-xenstore - Client, server and Xenstore protocol >> djs55/ocaml-xenstore-clients - >> mirage/mirage-block-xen - Xen blkfront driver for Mirage >> mirage/ocaml-vchan - Inter-VM shared memory communication >> >> HTTP Utilities >> ------------- >> mirage/ocaml-cohttp - Light weight HTTP server >> mirage/cowabloga - Zurb Foundation templates for blog/wiki >> mirage/ocaml-uri - URI and URL handling >> mirage/mirage-http - Mirage HTTP client and server >> mirage/ocaml-cow - Caml on the Web >> ocaml/omd - Markdown implementation in OCaml >> >> Misc Utilities >> -------------- >> mirage/mirage-console - Portable application console >> mirage/ocaml-pcap - Capture and analyse pcap files >> avsm/ocaml-github - GitHub API bindings >> mirage/dyntype - Dynamic types for OCaml >> >> >> Reference Applications >> ---------------------- >> mirage/mirage-www - complete openmirage.org site and server >> mirage/mirage-decks - Presentations written using Mirage about Mirage >> mirage/mirage-skeleton - Build skeleton, tests and examples >> >> Docker and Vagrant >> ------------------ >> >> mirage/mirage-vagrant-vms - Build Vagrant images >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 20:02:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 20:02:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3se5-0007pY-6s; Sun, 06 Jul 2014 20:02:45 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3se4-0007pR-6x for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 20:02:44 +0000 Received: from [85.158.137.68:32586] by server-4.bemta-3.messagelabs.com id 8F/D2-23732-36BA9B35; Sun, 06 Jul 2014 20:02:43 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1404676960!14336132!1 X-Originating-IP: [209.85.214.179] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21993 invoked from network); 6 Jul 2014 20:02:42 -0000 Received: from mail-ob0-f179.google.com (HELO mail-ob0-f179.google.com) (209.85.214.179) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Jul 2014 20:02:42 -0000 Received: by mail-ob0-f179.google.com with SMTP id uz6so3716866obc.10 for ; Sun, 06 Jul 2014 13:02:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=KNO+aBx2mAATahR74PxqfFB6mqD3LTSYJQmsntQWlVo=; b=wZxqC90z5yvSzDiHzmc7DlkmpXCId/lDa5qKWbAyswbHsbXlYJLh78ZnzXWu8WYlIP uO3Pp4XBtTSOZx3p09MuFCRlDu0zd1PRlVQEh2n4V95wRQ0MUxGI7u9A3lEu0D5tq+u+ mbqYCRN97wQJE+MyE4QdjqH4mk5T5CKA2p7eYQRJ5LmQvETkBF3uEQ+blVHGRM4vLHDt /kJYIVj8+wxkmp5m2j+AmKlXT7B2wVPcavwhK1oMj42bvPiDLZlyAEMthvyD38kEUtSX 4V0D0lcVV4r6HGDcN23T+Iq7gynx5jUO174aLDm+igH+e1Vbxgpym5QwzERJNoujB/GE LVWg== MIME-Version: 1.0 X-Received: by 10.182.81.99 with SMTP id z3mr3932627obx.79.1404676960361; Sun, 06 Jul 2014 13:02:40 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Sun, 6 Jul 2014 13:02:40 -0700 (PDT) In-Reply-To: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Sun, 6 Jul 2014 21:02:40 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 July 2014 18:51, Anil Madhavapeddy wrote: > On 4 Jul 2014, at 13:50, Thomas Leonard wrote: >> >> You can install libminios elsewhere with e.g. >> >> $ make install LIBDIR=/tmp/foo/lib INCLUDEDIR=/tmp/foo/include >> >> Just remember to set PKG_CONFIG_PATH to find it again: >> >> $ PKG_CONFIG_PATH=/tmp/foo/lib/pkgconfig pkg-config --libs libminios >> -L/tmp/foo/usr/lib/pkgconfig/../../lib/mini-os -lminios -T >> /tmp/foo/usr/lib/pkgconfig/../../lib/mini-os/libminios.lds -m >> elf_x86_64 -lx86_64 >> >> (note: it does assume that LIBDIR and INCLUDEDIR have a common parent) >> >> For openlibm, use: >> >> $ make install prefix=/tmp/foo >> >> I guess someone with OPAM skills could do this pretty easily... > > Done. I put a small package called 'xen-minios' into: > > https://github.com/mirage/opam-repository in the external-minios branch. > > It just runs the `install.sh` in this repository: > > https://github.com/mirage/mirage-xen-libs > > which downloads and installs our openlibm/minios forks into the > ~/.opam dirspace (or optionally into some other PREFIX if specified). > > I think it might be a good idea to maintain this library (perhaps with > a better name, like mirage-xen-minios) in the future, since it's a > convenient place to apply distribution-specific patches to MiniOS > (like cleaning up the startup text to be prettier), and also to > control which versions of libm go in. How about I rename the > repository to mirage-xen-minios, and cut a release tarball that bundles > the upstream .tar.gz files (so `make install` can run without any > external downloads)? That would be great! > Once that's done, I just needed a few minor patches to your > mirage-platform pull request: > > - The symlink handling in OPAM is annoying right now, since it > destroys them from the source repository. On the other hand, > the only reason we have symlinks in mirage-platform is to support > two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think > it's time to retire 4.00.1 (especially with the ARM code gen > fixes in 4.01.0), so I've removed it entirely and made the only > supported runtime 4.01.0. > > - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I > had a quick chat about how best to support this from OPAM, but the > easiest way right now is to run `opam config var prefix` to > determine the active compiler switch, and set the variable based > off that. Seems fine. I guess it's OK to override the user's $PKG_CONFIG_PATH here (rather than prepending to it), since all dependencies should be in OPAM anyway. > I've put these patches into: > https://github.com/mirage/mirage-platform/pull/94 > > And it boots on x86_64! A little more verbose as expected: > > Mapping memory range 0x400000 - 0x10000000 > setting 0000000000000000-00000000000de000 readonly > skipped 0000000000001000 > MM: Initialise page allocator for 28e000(28e000)-10000000(10000000) > MM: done > Demand map pfns at 10001000-2010001000. > Initialising timer interface > Initialising console ... done. > gnttab_table mapped at 0000000010001000. > xencaml: app_main_thread > getenv(OCAMLRUNPARAM) -> null > getenv(CAMLRUNPARAM) -> null > Unsupported function lseek called in Mini-OS kernel > Unsupported function lseek called in Mini-OS kernel > Unsupported function lseek called in Mini-OS kernel > getenv(OCAMLRUNPARAM) -> null > getenv(CAMLRUNPARAM) -> null > getenv(TMPDIR) -> null > getenv(TEMP) -> null > hello > world > hello > world > hello > world > hello > world > hello > world > main returned 0 > > And static_website worked too, so networking is fine too: > > $ curl -v 10.11.12.76 > * Rebuilt URL to: 10.11.12.76/ > * Hostname was NOT found in DNS cache > * Trying 10.11.12.76... > * Connected to 10.11.12.76 (10.11.12.76) port 80 (#0) >> GET / HTTP/1.1 >> User-Agent: curl/7.37.0 >> Host: 10.11.12.76 >> Accept: */* >> > < HTTP/1.1 200 OK > < content-length: 59 > < > > >

Hello Mirage World!

> > > * Connection #0 to host 10.11.12.76 left intact > > Now resurrecting a Cubieboard2 to try it on ARM :-) Cool :-) Don't forget you'll need the arm-preview branch of mirage-platform for that (it works, but isn't ready for merging). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 20:02:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 20:02:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3se5-0007pY-6s; Sun, 06 Jul 2014 20:02:45 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3se4-0007pR-6x for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 20:02:44 +0000 Received: from [85.158.137.68:32586] by server-4.bemta-3.messagelabs.com id 8F/D2-23732-36BA9B35; Sun, 06 Jul 2014 20:02:43 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1404676960!14336132!1 X-Originating-IP: [209.85.214.179] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21993 invoked from network); 6 Jul 2014 20:02:42 -0000 Received: from mail-ob0-f179.google.com (HELO mail-ob0-f179.google.com) (209.85.214.179) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Jul 2014 20:02:42 -0000 Received: by mail-ob0-f179.google.com with SMTP id uz6so3716866obc.10 for ; Sun, 06 Jul 2014 13:02:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=KNO+aBx2mAATahR74PxqfFB6mqD3LTSYJQmsntQWlVo=; b=wZxqC90z5yvSzDiHzmc7DlkmpXCId/lDa5qKWbAyswbHsbXlYJLh78ZnzXWu8WYlIP uO3Pp4XBtTSOZx3p09MuFCRlDu0zd1PRlVQEh2n4V95wRQ0MUxGI7u9A3lEu0D5tq+u+ mbqYCRN97wQJE+MyE4QdjqH4mk5T5CKA2p7eYQRJ5LmQvETkBF3uEQ+blVHGRM4vLHDt /kJYIVj8+wxkmp5m2j+AmKlXT7B2wVPcavwhK1oMj42bvPiDLZlyAEMthvyD38kEUtSX 4V0D0lcVV4r6HGDcN23T+Iq7gynx5jUO174aLDm+igH+e1Vbxgpym5QwzERJNoujB/GE LVWg== MIME-Version: 1.0 X-Received: by 10.182.81.99 with SMTP id z3mr3932627obx.79.1404676960361; Sun, 06 Jul 2014 13:02:40 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Sun, 6 Jul 2014 13:02:40 -0700 (PDT) In-Reply-To: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Sun, 6 Jul 2014 21:02:40 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 July 2014 18:51, Anil Madhavapeddy wrote: > On 4 Jul 2014, at 13:50, Thomas Leonard wrote: >> >> You can install libminios elsewhere with e.g. >> >> $ make install LIBDIR=/tmp/foo/lib INCLUDEDIR=/tmp/foo/include >> >> Just remember to set PKG_CONFIG_PATH to find it again: >> >> $ PKG_CONFIG_PATH=/tmp/foo/lib/pkgconfig pkg-config --libs libminios >> -L/tmp/foo/usr/lib/pkgconfig/../../lib/mini-os -lminios -T >> /tmp/foo/usr/lib/pkgconfig/../../lib/mini-os/libminios.lds -m >> elf_x86_64 -lx86_64 >> >> (note: it does assume that LIBDIR and INCLUDEDIR have a common parent) >> >> For openlibm, use: >> >> $ make install prefix=/tmp/foo >> >> I guess someone with OPAM skills could do this pretty easily... > > Done. I put a small package called 'xen-minios' into: > > https://github.com/mirage/opam-repository in the external-minios branch. > > It just runs the `install.sh` in this repository: > > https://github.com/mirage/mirage-xen-libs > > which downloads and installs our openlibm/minios forks into the > ~/.opam dirspace (or optionally into some other PREFIX if specified). > > I think it might be a good idea to maintain this library (perhaps with > a better name, like mirage-xen-minios) in the future, since it's a > convenient place to apply distribution-specific patches to MiniOS > (like cleaning up the startup text to be prettier), and also to > control which versions of libm go in. How about I rename the > repository to mirage-xen-minios, and cut a release tarball that bundles > the upstream .tar.gz files (so `make install` can run without any > external downloads)? That would be great! > Once that's done, I just needed a few minor patches to your > mirage-platform pull request: > > - The symlink handling in OPAM is annoying right now, since it > destroys them from the source repository. On the other hand, > the only reason we have symlinks in mirage-platform is to support > two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think > it's time to retire 4.00.1 (especially with the ARM code gen > fixes in 4.01.0), so I've removed it entirely and made the only > supported runtime 4.01.0. > > - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I > had a quick chat about how best to support this from OPAM, but the > easiest way right now is to run `opam config var prefix` to > determine the active compiler switch, and set the variable based > off that. Seems fine. I guess it's OK to override the user's $PKG_CONFIG_PATH here (rather than prepending to it), since all dependencies should be in OPAM anyway. > I've put these patches into: > https://github.com/mirage/mirage-platform/pull/94 > > And it boots on x86_64! A little more verbose as expected: > > Mapping memory range 0x400000 - 0x10000000 > setting 0000000000000000-00000000000de000 readonly > skipped 0000000000001000 > MM: Initialise page allocator for 28e000(28e000)-10000000(10000000) > MM: done > Demand map pfns at 10001000-2010001000. > Initialising timer interface > Initialising console ... done. > gnttab_table mapped at 0000000010001000. > xencaml: app_main_thread > getenv(OCAMLRUNPARAM) -> null > getenv(CAMLRUNPARAM) -> null > Unsupported function lseek called in Mini-OS kernel > Unsupported function lseek called in Mini-OS kernel > Unsupported function lseek called in Mini-OS kernel > getenv(OCAMLRUNPARAM) -> null > getenv(CAMLRUNPARAM) -> null > getenv(TMPDIR) -> null > getenv(TEMP) -> null > hello > world > hello > world > hello > world > hello > world > hello > world > main returned 0 > > And static_website worked too, so networking is fine too: > > $ curl -v 10.11.12.76 > * Rebuilt URL to: 10.11.12.76/ > * Hostname was NOT found in DNS cache > * Trying 10.11.12.76... > * Connected to 10.11.12.76 (10.11.12.76) port 80 (#0) >> GET / HTTP/1.1 >> User-Agent: curl/7.37.0 >> Host: 10.11.12.76 >> Accept: */* >> > < HTTP/1.1 200 OK > < content-length: 59 > < > > >

Hello Mirage World!

> > > * Connection #0 to host 10.11.12.76 left intact > > Now resurrecting a Cubieboard2 to try it on ARM :-) Cool :-) Don't forget you'll need the arm-preview branch of mirage-platform for that (it works, but isn't ready for merging). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 20:28:34 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 20:28:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3t32-00084u-5a; Sun, 06 Jul 2014 20:28:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3t30-00084p-TS for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 20:28:31 +0000 Received: from [85.158.139.211:27481] by server-16.bemta-5.messagelabs.com id B1/92-18862-E61B9B35; Sun, 06 Jul 2014 20:28:30 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-206.messagelabs.com!1404678509!8552561!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15032 invoked from network); 6 Jul 2014 20:28:29 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-14.tower-206.messagelabs.com with SMTP; 6 Jul 2014 20:28:29 -0000 Received: (qmail 32599 invoked by uid 634); 6 Jul 2014 20:28:28 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 21:28:25 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sun, 6 Jul 2014 21:28:23 +0100 Message-Id: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 Jul 2014, at 21:02, Thomas Leonard wrote: > On 6 July 2014 18:51, Anil Madhavapeddy wrote: >> >> I think it might be a good idea to maintain this library (perhaps with >> a better name, like mirage-xen-minios) in the future, since it's a >> convenient place to apply distribution-specific patches to MiniOS >> (like cleaning up the startup text to be prettier), and also to >> control which versions of libm go in. How about I rename the >> repository to mirage-xen-minios, and cut a release tarball that bundles >> the upstream .tar.gz files (so `make install` can run without any >> external downloads)? > > That would be great! Alright, I'll do that tomorrow. Can switch to submodules later if necessary. > >> Once that's done, I just needed a few minor patches to your >> mirage-platform pull request: >> >> - The symlink handling in OPAM is annoying right now, since it >> destroys them from the source repository. On the other hand, >> the only reason we have symlinks in mirage-platform is to support >> two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think >> it's time to retire 4.00.1 (especially with the ARM code gen >> fixes in 4.01.0), so I've removed it entirely and made the only >> supported runtime 4.01.0. >> >> - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I >> had a quick chat about how best to support this from OPAM, but the >> easiest way right now is to run `opam config var prefix` to >> determine the active compiler switch, and set the variable based >> off that. > > Seems fine. I guess it's OK to override the user's $PKG_CONFIG_PATH > here (rather than prepending to it), since all dependencies should be > in OPAM anyway. Yeah, my thinking too. Any lurking package configs from outside that get pulled in would be a bug. >> >> Now resurrecting a Cubieboard2 to try it on ARM :-) > > Cool :-) Don't forget you'll need the arm-preview branch of > mirage-platform for that (it works, but isn't ready for merging). Darn, that conflicts with https://github.com/mirage/mirage-platform/pull/94 I think that #94 is actually ready to merge (at the same time as xen-minios) into OPAM. If I do that tomorrow and release it along with Mirage 1.2.0, we can play hunt-the-regression in the runup to the 2.0 release. Anything outstanding on your plate before I do that? Only other thing that would be nice to have is having the checksum stubs compiled as an external library so that they can be moved to tcpip where they belong. cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 06 20:28:34 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 06 Jul 2014 20:28:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3t32-00084u-5a; Sun, 06 Jul 2014 20:28:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X3t30-00084p-TS for mirageos-devel@lists.xenproject.org; Sun, 06 Jul 2014 20:28:31 +0000 Received: from [85.158.139.211:27481] by server-16.bemta-5.messagelabs.com id B1/92-18862-E61B9B35; Sun, 06 Jul 2014 20:28:30 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-206.messagelabs.com!1404678509!8552561!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15032 invoked from network); 6 Jul 2014 20:28:29 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-14.tower-206.messagelabs.com with SMTP; 6 Jul 2014 20:28:29 -0000 Received: (qmail 32599 invoked by uid 634); 6 Jul 2014 20:28:28 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 06 Jul 2014 21:28:25 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sun, 6 Jul 2014 21:28:23 +0100 Message-Id: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 Jul 2014, at 21:02, Thomas Leonard wrote: > On 6 July 2014 18:51, Anil Madhavapeddy wrote: >> >> I think it might be a good idea to maintain this library (perhaps with >> a better name, like mirage-xen-minios) in the future, since it's a >> convenient place to apply distribution-specific patches to MiniOS >> (like cleaning up the startup text to be prettier), and also to >> control which versions of libm go in. How about I rename the >> repository to mirage-xen-minios, and cut a release tarball that bundles >> the upstream .tar.gz files (so `make install` can run without any >> external downloads)? > > That would be great! Alright, I'll do that tomorrow. Can switch to submodules later if necessary. > >> Once that's done, I just needed a few minor patches to your >> mirage-platform pull request: >> >> - The symlink handling in OPAM is annoying right now, since it >> destroys them from the source repository. On the other hand, >> the only reason we have symlinks in mirage-platform is to support >> two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think >> it's time to retire 4.00.1 (especially with the ARM code gen >> fixes in 4.01.0), so I've removed it entirely and made the only >> supported runtime 4.01.0. >> >> - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I >> had a quick chat about how best to support this from OPAM, but the >> easiest way right now is to run `opam config var prefix` to >> determine the active compiler switch, and set the variable based >> off that. > > Seems fine. I guess it's OK to override the user's $PKG_CONFIG_PATH > here (rather than prepending to it), since all dependencies should be > in OPAM anyway. Yeah, my thinking too. Any lurking package configs from outside that get pulled in would be a bug. >> >> Now resurrecting a Cubieboard2 to try it on ARM :-) > > Cool :-) Don't forget you'll need the arm-preview branch of > mirage-platform for that (it works, but isn't ready for merging). Darn, that conflicts with https://github.com/mirage/mirage-platform/pull/94 I think that #94 is actually ready to merge (at the same time as xen-minios) into OPAM. If I do that tomorrow and release it along with Mirage 1.2.0, we can play hunt-the-regression in the runup to the 2.0 release. Anything outstanding on your plate before I do that? Only other thing that would be nice to have is having the checksum stubs compiled as an external library so that they can be moved to tcpip where they belong. cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 07 09:08:21 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 07 Jul 2014 09:08:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X44uE-0003L4-Mf; Mon, 07 Jul 2014 09:08:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X44uD-0003Kz-BL for mirageos-devel@lists.xenproject.org; Mon, 07 Jul 2014 09:08:13 +0000 Received: from [193.109.254.147:8418] by server-15.bemta-14.messagelabs.com id BA/03-11012-C736AB35; Mon, 07 Jul 2014 09:08:12 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-27.messagelabs.com!1404724090!15863782!1 X-Originating-IP: [209.85.219.54] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11192 invoked from network); 7 Jul 2014 09:08:11 -0000 Received: from mail-oa0-f54.google.com (HELO mail-oa0-f54.google.com) (209.85.219.54) by server-12.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 7 Jul 2014 09:08:11 -0000 Received: by mail-oa0-f54.google.com with SMTP id eb12so4306743oac.27 for ; Mon, 07 Jul 2014 02:08:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=banpWR5OwPb31mUfzHEGSliHrmg2d/BFdjOim19Fqmk=; b=FEJ/oEnkoClOy7x2GonsL1pO7KS8mtAJO7RV8roCjEY6m+uAp5iw5zACtBjCqHtqZY n5BIxFk80YNoLFfstb3Nuup/BRRTaCjowM7TAjWy28mw5XYyrYMFEsXmGwOF6bvCe4IX P2tv66nAbX/pnDtnA6686/bDKaZDQP1N1JTF2ZnsJ/eF/1rFjm4nPxqONVSrq8KPn8+4 FyxublBeLc9TLBIcp2Yn2RcD/mQIuxiBtuB9bqlp+LE5Yg9HPH2JIBga8Dxw/62OzWfc dtq8Ta40wO8OWZcgofk5bMq3Z9w8H5iRnZUFV6D+OyS56keHsbFofZNKpVRb4Pj74ItB zCbg== MIME-Version: 1.0 X-Received: by 10.182.104.66 with SMTP id gc2mr28858053obb.17.1404724089968; Mon, 07 Jul 2014 02:08:09 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 7 Jul 2014 02:08:09 -0700 (PDT) Date: Mon, 7 Jul 2014 10:08:09 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I'm writing a test Mirage service for queuing files. It's not using ThomasG's merge-queues - I'm just trying the low-level FS stuff first. Some problems I found: 1. Running as a --unix process, I initially got a download speed of 230 KB/s. Increasing the size of the chunks I was reading from the Fat filesystem (a disk.img file) from 512 bytes to 1MB, I was able to increase this to 3 MB/s. Both seem rather low. Apache on the same machine gets 615 MB/s! I tried reproducing it with mirage-skeleton/static_website, but it didn't want to know: $ git clone https://github.com/mirage/mirage-skeleton.git $ cd mirage-skeleton/static_website $ FS=fat NET=socket mirage configure --unix [ note: my actual test file is not all zeros, but for this email... ] $ dd if=/dev/zero of=htdocs/data bs=1024 count=2 $ ./make-fat1-image.sh $ make $ ./mir-www Manager: connect Manager: configuring Manager: socket config currently ignored (TODO) Fatal error: exception Failure("fat2") 2. To be able to use the FS inferface, I had to specialise it like this: module type FS = V1_LWT.FS with type page_aligned_buffer = Cstruct.t and type block_device_error = Fat.Fs.block_error This means my unikernel only works with Fat. If I don't do this, I can't report or log error messages. I guess this is also why the test above gave such a useless error. Are there any plans to make error handling easier? 3. In my tags file, I use: not : warn(A) Would be nice if the generated main.ml compiled without warnings (this might be related to the previous point, as it's the error details that it is ignoring). 4. Can I get mirage to generate a Makefile that builds and runs my unit-tests? I guess I can't run the unit-tests when in --xen mode, because some modules have conflicting names, but it would be nice in --unix mode at least. Thanks, -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 07 09:08:21 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 07 Jul 2014 09:08:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X44uE-0003L4-Mf; Mon, 07 Jul 2014 09:08:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X44uD-0003Kz-BL for mirageos-devel@lists.xenproject.org; Mon, 07 Jul 2014 09:08:13 +0000 Received: from [193.109.254.147:8418] by server-15.bemta-14.messagelabs.com id BA/03-11012-C736AB35; Mon, 07 Jul 2014 09:08:12 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-27.messagelabs.com!1404724090!15863782!1 X-Originating-IP: [209.85.219.54] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11192 invoked from network); 7 Jul 2014 09:08:11 -0000 Received: from mail-oa0-f54.google.com (HELO mail-oa0-f54.google.com) (209.85.219.54) by server-12.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 7 Jul 2014 09:08:11 -0000 Received: by mail-oa0-f54.google.com with SMTP id eb12so4306743oac.27 for ; Mon, 07 Jul 2014 02:08:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=banpWR5OwPb31mUfzHEGSliHrmg2d/BFdjOim19Fqmk=; b=FEJ/oEnkoClOy7x2GonsL1pO7KS8mtAJO7RV8roCjEY6m+uAp5iw5zACtBjCqHtqZY n5BIxFk80YNoLFfstb3Nuup/BRRTaCjowM7TAjWy28mw5XYyrYMFEsXmGwOF6bvCe4IX P2tv66nAbX/pnDtnA6686/bDKaZDQP1N1JTF2ZnsJ/eF/1rFjm4nPxqONVSrq8KPn8+4 FyxublBeLc9TLBIcp2Yn2RcD/mQIuxiBtuB9bqlp+LE5Yg9HPH2JIBga8Dxw/62OzWfc dtq8Ta40wO8OWZcgofk5bMq3Z9w8H5iRnZUFV6D+OyS56keHsbFofZNKpVRb4Pj74ItB zCbg== MIME-Version: 1.0 X-Received: by 10.182.104.66 with SMTP id gc2mr28858053obb.17.1404724089968; Mon, 07 Jul 2014 02:08:09 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 7 Jul 2014 02:08:09 -0700 (PDT) Date: Mon, 7 Jul 2014 10:08:09 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I'm writing a test Mirage service for queuing files. It's not using ThomasG's merge-queues - I'm just trying the low-level FS stuff first. Some problems I found: 1. Running as a --unix process, I initially got a download speed of 230 KB/s. Increasing the size of the chunks I was reading from the Fat filesystem (a disk.img file) from 512 bytes to 1MB, I was able to increase this to 3 MB/s. Both seem rather low. Apache on the same machine gets 615 MB/s! I tried reproducing it with mirage-skeleton/static_website, but it didn't want to know: $ git clone https://github.com/mirage/mirage-skeleton.git $ cd mirage-skeleton/static_website $ FS=fat NET=socket mirage configure --unix [ note: my actual test file is not all zeros, but for this email... ] $ dd if=/dev/zero of=htdocs/data bs=1024 count=2 $ ./make-fat1-image.sh $ make $ ./mir-www Manager: connect Manager: configuring Manager: socket config currently ignored (TODO) Fatal error: exception Failure("fat2") 2. To be able to use the FS inferface, I had to specialise it like this: module type FS = V1_LWT.FS with type page_aligned_buffer = Cstruct.t and type block_device_error = Fat.Fs.block_error This means my unikernel only works with Fat. If I don't do this, I can't report or log error messages. I guess this is also why the test above gave such a useless error. Are there any plans to make error handling easier? 3. In my tags file, I use: not : warn(A) Would be nice if the generated main.ml compiled without warnings (this might be related to the previous point, as it's the error details that it is ignoring). 4. Can I get mirage to generate a Makefile that builds and runs my unit-tests? I guess I can't run the unit-tests when in --xen mode, because some modules have conflicting names, but it would be nice in --unix mode at least. Thanks, -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 07 18:09:12 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 07 Jul 2014 18:09:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4DLe-00087a-3n; Mon, 07 Jul 2014 18:09:06 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4DLa-00087D-JP for mirageos-devel@lists.xenproject.org; Mon, 07 Jul 2014 18:09:04 +0000 Received: from [85.158.137.68:30924] by server-5.bemta-3.messagelabs.com id 5D/3C-11574-D32EAB35; Mon, 07 Jul 2014 18:09:01 +0000 X-Env-Sender: amirmc@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1404756541!14467810!1 X-Originating-IP: [74.125.82.174] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 442 invoked from network); 7 Jul 2014 18:09:01 -0000 Received: from mail-we0-f174.google.com (HELO mail-we0-f174.google.com) (74.125.82.174) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 7 Jul 2014 18:09:01 -0000 Received: by mail-we0-f174.google.com with SMTP id u57so4795588wes.5 for ; Mon, 07 Jul 2014 11:09:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=qtqqnguOKz8Xxwru8HtiSmh13/GP7TPbYnSJzqH5zqE=; b=plwlHCth6TRTUc1OW+Pn23OJtQVKqqhwqzN+i2ytMTW5ZzWUX79lSlpuLxeojATIYm PGGB0JBR1nxwaZ/C6WzzQdqXNNyLW0cBFwQJP6OyHmONwST6Q82Q/XCUzvmiujBu3bw8 ZyPxMCjdYTqscQHhW+Uvn+OGDwlhWfZxwSNUBVwsCQIJD2A31bZEGMQ98TsBkgCLWyF0 wxCfXwNi8XO8i0zOkAe209DOcM5oD6q00OhIJ0MS9pPzyRpVkrWQWlveDWm0lUlSl55/ FWllbX1HrEfNE24NjzUk9q1WHeQBYWFPR+bxtIYrv/mJCcCjrPCOl3oI9lADYOxDCfsk 7Nuw== X-Received: by 10.194.76.99 with SMTP id j3mr34937853wjw.85.1404756540666; Mon, 07 Jul 2014 11:09:00 -0700 (PDT) Received: from [192.168.99.27] (gw-eduroam.dar.cam.ac.uk. [131.111.194.10]) by mx.google.com with ESMTPSA id ft17sm90888257wjc.14.2014.07.07.11.08.59 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 07 Jul 2014 11:09:00 -0700 (PDT) From: Amir Chaudhry Message-Id: <278A7E08-1666-4C71-8275-9AC9D1D30F8F@gmail.com> Date: Mon, 7 Jul 2014 19:08:59 +0100 To: "mirageos-devel@lists.xenproject.org" Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) X-Mailer: Apple Mail (2.1510) Subject: [MirageOS-devel] Mirage fortnightly call, Tuesday 8th at 4pm BST (== GMT + 1) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Dear all, The Mirage call will take place tomorrow at 4pm BST (== GMT + 1). If you have points you'd like to discuss, please add them to the agenda at https://github.com/mirage/mirage-www/wiki/Call-Agenda - I'll structure them shortly before the call. 1. Please join my meeting. https://www1.gotomeeting.com/join/591890401 Note the dial-in numbers seem to have changed. The new ones are visible if you join the meeting online but I believe the US one is: +1 (213) 493-0008 Thanks, Amir PS If any non-British people are confused about what 'fortnightly' means, you can read it as 'biweekly'. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 07 18:09:12 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 07 Jul 2014 18:09:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4DLe-00087a-3n; Mon, 07 Jul 2014 18:09:06 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4DLa-00087D-JP for mirageos-devel@lists.xenproject.org; Mon, 07 Jul 2014 18:09:04 +0000 Received: from [85.158.137.68:30924] by server-5.bemta-3.messagelabs.com id 5D/3C-11574-D32EAB35; Mon, 07 Jul 2014 18:09:01 +0000 X-Env-Sender: amirmc@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1404756541!14467810!1 X-Originating-IP: [74.125.82.174] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 442 invoked from network); 7 Jul 2014 18:09:01 -0000 Received: from mail-we0-f174.google.com (HELO mail-we0-f174.google.com) (74.125.82.174) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 7 Jul 2014 18:09:01 -0000 Received: by mail-we0-f174.google.com with SMTP id u57so4795588wes.5 for ; Mon, 07 Jul 2014 11:09:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:content-transfer-encoding:subject:message-id:date :to:mime-version; bh=qtqqnguOKz8Xxwru8HtiSmh13/GP7TPbYnSJzqH5zqE=; b=plwlHCth6TRTUc1OW+Pn23OJtQVKqqhwqzN+i2ytMTW5ZzWUX79lSlpuLxeojATIYm PGGB0JBR1nxwaZ/C6WzzQdqXNNyLW0cBFwQJP6OyHmONwST6Q82Q/XCUzvmiujBu3bw8 ZyPxMCjdYTqscQHhW+Uvn+OGDwlhWfZxwSNUBVwsCQIJD2A31bZEGMQ98TsBkgCLWyF0 wxCfXwNi8XO8i0zOkAe209DOcM5oD6q00OhIJ0MS9pPzyRpVkrWQWlveDWm0lUlSl55/ FWllbX1HrEfNE24NjzUk9q1WHeQBYWFPR+bxtIYrv/mJCcCjrPCOl3oI9lADYOxDCfsk 7Nuw== X-Received: by 10.194.76.99 with SMTP id j3mr34937853wjw.85.1404756540666; Mon, 07 Jul 2014 11:09:00 -0700 (PDT) Received: from [192.168.99.27] (gw-eduroam.dar.cam.ac.uk. [131.111.194.10]) by mx.google.com with ESMTPSA id ft17sm90888257wjc.14.2014.07.07.11.08.59 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 07 Jul 2014 11:09:00 -0700 (PDT) From: Amir Chaudhry Message-Id: <278A7E08-1666-4C71-8275-9AC9D1D30F8F@gmail.com> Date: Mon, 7 Jul 2014 19:08:59 +0100 To: "mirageos-devel@lists.xenproject.org" Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) X-Mailer: Apple Mail (2.1510) Subject: [MirageOS-devel] Mirage fortnightly call, Tuesday 8th at 4pm BST (== GMT + 1) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Dear all, The Mirage call will take place tomorrow at 4pm BST (== GMT + 1). If you have points you'd like to discuss, please add them to the agenda at https://github.com/mirage/mirage-www/wiki/Call-Agenda - I'll structure them shortly before the call. 1. Please join my meeting. https://www1.gotomeeting.com/join/591890401 Note the dial-in numbers seem to have changed. The new ones are visible if you join the meeting online but I believe the US one is: +1 (213) 493-0008 Thanks, Amir PS If any non-British people are confused about what 'fortnightly' means, you can read it as 'biweekly'. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 09:28:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 09:28:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rgt-0001Y7-N5; Tue, 08 Jul 2014 09:27:59 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rgs-0001Xw-C6 for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 09:27:58 +0000 Received: from [85.158.143.35:29788] by server-2.bemta-4.messagelabs.com id 6F/EB-18579-D99BBB35; Tue, 08 Jul 2014 09:27:57 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-21.messagelabs.com!1404811675!16503375!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14008 invoked from network); 8 Jul 2014 09:27:56 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-8.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 8 Jul 2014 09:27:56 -0000 Received: by mail-oa0-f50.google.com with SMTP id n16so6107717oag.9 for ; Tue, 08 Jul 2014 02:27:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Ph4+1ij2VuAPlefBFZE/xA7JixkmV3t/V5unrGJDC48=; b=rZlOFyjivC9jTojVzIWn2Fdg/gHeDixGwWXYqjHpcoVdb0MHFtKpdbv9zp0GCS141A qhQK929GgIANSrMhGlVS+CLmeHAqZd0SfCib5eb4CFJFCWlqIT+AILMtNVbq4rq+HuJm Ima5ejD/IYkzEd9a3ucndSzJ+j6rYiyopOAbNdodBl8sZGPTGnOw61v0pvmLvxZBDo+j xIw7xKXcK9pysSRXrtP7wtZhDKi/8WHVZ9aQpWgrafzYbKxhpp9dSbD8ok1Sr7Gz6I/5 3dfZuC/qEGXF33geMt2BpmL2dzNUgJ2S65A+bfseQv8247vY0vd9tuljvW6A4kT/Kf63 UaUg== MIME-Version: 1.0 X-Received: by 10.182.97.234 with SMTP id ed10mr36542793obb.31.1404811675401; Tue, 08 Jul 2014 02:27:55 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 8 Jul 2014 02:27:55 -0700 (PDT) In-Reply-To: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Tue, 8 Jul 2014 10:27:55 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 July 2014 21:28, Anil Madhavapeddy wrote: > On 6 Jul 2014, at 21:02, Thomas Leonard wrote: > >> On 6 July 2014 18:51, Anil Madhavapeddy wrote: >>> >>> I think it might be a good idea to maintain this library (perhaps with >>> a better name, like mirage-xen-minios) in the future, since it's a >>> convenient place to apply distribution-specific patches to MiniOS >>> (like cleaning up the startup text to be prettier), and also to >>> control which versions of libm go in. How about I rename the >>> repository to mirage-xen-minios, and cut a release tarball that bundles >>> the upstream .tar.gz files (so `make install` can run without any >>> external downloads)? >> >> That would be great! > > Alright, I'll do that tomorrow. Can switch to submodules later if > necessary. > >> >>> Once that's done, I just needed a few minor patches to your >>> mirage-platform pull request: >>> >>> - The symlink handling in OPAM is annoying right now, since it >>> destroys them from the source repository. On the other hand, >>> the only reason we have symlinks in mirage-platform is to support >>> two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think >>> it's time to retire 4.00.1 (especially with the ARM code gen >>> fixes in 4.01.0), so I've removed it entirely and made the only >>> supported runtime 4.01.0. >>> >>> - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I >>> had a quick chat about how best to support this from OPAM, but the >>> easiest way right now is to run `opam config var prefix` to >>> determine the active compiler switch, and set the variable based >>> off that. >> >> Seems fine. I guess it's OK to override the user's $PKG_CONFIG_PATH >> here (rather than prepending to it), since all dependencies should be >> in OPAM anyway. > > Yeah, my thinking too. Any lurking package configs from outside that > get pulled in would be a bug. > >>> >>> Now resurrecting a Cubieboard2 to try it on ARM :-) >> >> Cool :-) Don't forget you'll need the arm-preview branch of >> mirage-platform for that (it works, but isn't ready for merging). > > Darn, that conflicts with > https://github.com/mirage/mirage-platform/pull/94 > > I think that #94 is actually ready to merge (at the same time as > xen-minios) into OPAM. If I do that tomorrow and release it along > with Mirage 1.2.0, we can play hunt-the-regression in the runup to > the 2.0 release. Anything outstanding on your plate before I do that? > > Only other thing that would be nice to have is having the checksum > stubs compiled as an external library so that they can be moved to > tcpip where they belong. Moving the checksums code to tcpip is easy enough: https://github.com/talex5/mirage-tcpip/commits/checksum But how do I get the list of C libraries to add to the linker command when building on Xen? Looks like just using -output-obj doesn't do this. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 09:28:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 09:28:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rgt-0001Y7-N5; Tue, 08 Jul 2014 09:27:59 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rgs-0001Xw-C6 for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 09:27:58 +0000 Received: from [85.158.143.35:29788] by server-2.bemta-4.messagelabs.com id 6F/EB-18579-D99BBB35; Tue, 08 Jul 2014 09:27:57 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-21.messagelabs.com!1404811675!16503375!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14008 invoked from network); 8 Jul 2014 09:27:56 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-8.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 8 Jul 2014 09:27:56 -0000 Received: by mail-oa0-f50.google.com with SMTP id n16so6107717oag.9 for ; Tue, 08 Jul 2014 02:27:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Ph4+1ij2VuAPlefBFZE/xA7JixkmV3t/V5unrGJDC48=; b=rZlOFyjivC9jTojVzIWn2Fdg/gHeDixGwWXYqjHpcoVdb0MHFtKpdbv9zp0GCS141A qhQK929GgIANSrMhGlVS+CLmeHAqZd0SfCib5eb4CFJFCWlqIT+AILMtNVbq4rq+HuJm Ima5ejD/IYkzEd9a3ucndSzJ+j6rYiyopOAbNdodBl8sZGPTGnOw61v0pvmLvxZBDo+j xIw7xKXcK9pysSRXrtP7wtZhDKi/8WHVZ9aQpWgrafzYbKxhpp9dSbD8ok1Sr7Gz6I/5 3dfZuC/qEGXF33geMt2BpmL2dzNUgJ2S65A+bfseQv8247vY0vd9tuljvW6A4kT/Kf63 UaUg== MIME-Version: 1.0 X-Received: by 10.182.97.234 with SMTP id ed10mr36542793obb.31.1404811675401; Tue, 08 Jul 2014 02:27:55 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 8 Jul 2014 02:27:55 -0700 (PDT) In-Reply-To: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Tue, 8 Jul 2014 10:27:55 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 6 July 2014 21:28, Anil Madhavapeddy wrote: > On 6 Jul 2014, at 21:02, Thomas Leonard wrote: > >> On 6 July 2014 18:51, Anil Madhavapeddy wrote: >>> >>> I think it might be a good idea to maintain this library (perhaps with >>> a better name, like mirage-xen-minios) in the future, since it's a >>> convenient place to apply distribution-specific patches to MiniOS >>> (like cleaning up the startup text to be prettier), and also to >>> control which versions of libm go in. How about I rename the >>> repository to mirage-xen-minios, and cut a release tarball that bundles >>> the upstream .tar.gz files (so `make install` can run without any >>> external downloads)? >> >> That would be great! > > Alright, I'll do that tomorrow. Can switch to submodules later if > necessary. > >> >>> Once that's done, I just needed a few minor patches to your >>> mirage-platform pull request: >>> >>> - The symlink handling in OPAM is annoying right now, since it >>> destroys them from the source repository. On the other hand, >>> the only reason we have symlinks in mirage-platform is to support >>> two concurrent revisions of OCaml (4.00.1 and 4.01.0). I think >>> it's time to retire 4.00.1 (especially with the ARM code gen >>> fixes in 4.01.0), so I've removed it entirely and made the only >>> supported runtime 4.01.0. >>> >>> - I exported PKG_CONFIG_PATH from the xen/Makefile. ThomasG and I >>> had a quick chat about how best to support this from OPAM, but the >>> easiest way right now is to run `opam config var prefix` to >>> determine the active compiler switch, and set the variable based >>> off that. >> >> Seems fine. I guess it's OK to override the user's $PKG_CONFIG_PATH >> here (rather than prepending to it), since all dependencies should be >> in OPAM anyway. > > Yeah, my thinking too. Any lurking package configs from outside that > get pulled in would be a bug. > >>> >>> Now resurrecting a Cubieboard2 to try it on ARM :-) >> >> Cool :-) Don't forget you'll need the arm-preview branch of >> mirage-platform for that (it works, but isn't ready for merging). > > Darn, that conflicts with > https://github.com/mirage/mirage-platform/pull/94 > > I think that #94 is actually ready to merge (at the same time as > xen-minios) into OPAM. If I do that tomorrow and release it along > with Mirage 1.2.0, we can play hunt-the-regression in the runup to > the 2.0 release. Anything outstanding on your plate before I do that? > > Only other thing that would be nice to have is having the checksum > stubs compiled as an external library so that they can be moved to > tcpip where they belong. Moving the checksums code to tcpip is easy enough: https://github.com/talex5/mirage-tcpip/commits/checksum But how do I get the list of C libraries to add to the linker command when building on Xen? Looks like just using -output-obj doesn't do this. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 09:34:27 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 09:34:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rn9-0001yR-20; Tue, 08 Jul 2014 09:34:27 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rn7-0001yI-Kq for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 09:34:25 +0000 Received: from [193.109.254.147:35561] by server-14.bemta-14.messagelabs.com id 72/8A-11800-12BBBB35; Tue, 08 Jul 2014 09:34:25 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1404812064!10692127!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4143 invoked from network); 8 Jul 2014 09:34:24 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 8 Jul 2014 09:34:24 -0000 Received: (qmail 31376 invoked by uid 634); 8 Jul 2014 09:34:23 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-102-120.in-addr.btopenworld.com (HELO [10.0.0.108]) (81.149.102.120) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 08 Jul 2014 10:34:23 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 8 Jul 2014 10:34:06 +0100 Message-Id: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > On 6 Jul 2014, at 21:02, Thomas Leonard wrote: >> On 6 July 2014 21:28, Anil Madhavapeddy wrote: >> Darn, that conflicts with >> https://github.com/mirage/mirage-platform/pull/94 >> >> I think that #94 is actually ready to merge (at the same time as >> xen-minios) into OPAM. If I do that tomorrow and release it along >> with Mirage 1.2.0, we can play hunt-the-regression in the runup to >> the 2.0 release. Anything outstanding on your plate before I do that? >> >> Only other thing that would be nice to have is having the checksum >> stubs compiled as an external library so that they can be moved to >> tcpip where they belong. > > Moving the checksums code to tcpip is easy enough: > > https://github.com/talex5/mirage-tcpip/commits/checksum > > But how do I get the list of C libraries to add to the linker command > when building on Xen? Looks like just using -output-obj doesn't do > this. Good question. `ocamlobjinfo` may help: $ ocamlobjinfo ~/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma File /Users/avsm/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma Force custom: no Extra C object files: -lnocrypto_stubs Extra C options: Extra dynamically-loaded libraries: -lnocrypto_stubs Unit name: Algo_types ... Could write a custom compiler-libs command to extract just the C object files, but a sed extraction of the relevant lines should work for now. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 09:34:27 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 09:34:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rn9-0001yR-20; Tue, 08 Jul 2014 09:34:27 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4Rn7-0001yI-Kq for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 09:34:25 +0000 Received: from [193.109.254.147:35561] by server-14.bemta-14.messagelabs.com id 72/8A-11800-12BBBB35; Tue, 08 Jul 2014 09:34:25 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1404812064!10692127!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4143 invoked from network); 8 Jul 2014 09:34:24 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 8 Jul 2014 09:34:24 -0000 Received: (qmail 31376 invoked by uid 634); 8 Jul 2014 09:34:23 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-102-120.in-addr.btopenworld.com (HELO [10.0.0.108]) (81.149.102.120) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 08 Jul 2014 10:34:23 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 8 Jul 2014 10:34:06 +0100 Message-Id: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > On 6 Jul 2014, at 21:02, Thomas Leonard wrote: >> On 6 July 2014 21:28, Anil Madhavapeddy wrote: >> Darn, that conflicts with >> https://github.com/mirage/mirage-platform/pull/94 >> >> I think that #94 is actually ready to merge (at the same time as >> xen-minios) into OPAM. If I do that tomorrow and release it along >> with Mirage 1.2.0, we can play hunt-the-regression in the runup to >> the 2.0 release. Anything outstanding on your plate before I do that? >> >> Only other thing that would be nice to have is having the checksum >> stubs compiled as an external library so that they can be moved to >> tcpip where they belong. > > Moving the checksums code to tcpip is easy enough: > > https://github.com/talex5/mirage-tcpip/commits/checksum > > But how do I get the list of C libraries to add to the linker command > when building on Xen? Looks like just using -output-obj doesn't do > this. Good question. `ocamlobjinfo` may help: $ ocamlobjinfo ~/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma File /Users/avsm/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma Force custom: no Extra C object files: -lnocrypto_stubs Extra C options: Extra dynamically-loaded libraries: -lnocrypto_stubs Unit name: Algo_types ... Could write a custom compiler-libs command to extract just the C object files, but a sed extraction of the relevant lines should work for now. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 09:39:40 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 09:39:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4RsB-0002Iz-D6; Tue, 08 Jul 2014 09:39:39 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4RsA-0002Ir-9P for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 09:39:38 +0000 Received: from [193.109.254.147:8267] by server-10.bemta-14.messagelabs.com id 5F/3A-01431-95CBBB35; Tue, 08 Jul 2014 09:39:37 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-27.messagelabs.com!1404812376!16100175!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16966 invoked from network); 8 Jul 2014 09:39:36 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-27.messagelabs.com with SMTP; 8 Jul 2014 09:39:36 -0000 Received: (qmail 7095 invoked by uid 634); 8 Jul 2014 09:39:36 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-102-120.in-addr.btopenworld.com (HELO [10.0.0.108]) (81.149.102.120) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 08 Jul 2014 10:39:32 +0100 From: Anil Madhavapeddy Date: Tue, 8 Jul 2014 10:39:30 +0100 Message-Id: To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Felipe Huici , Joao Martins Subject: [MirageOS-devel] suspend/resume in MiniOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org We're just about ready to merge in Thomas Leonard's external MiniOS patches into Mirage: https://github.com/mirage/mirage-platform/pull/93 The only known regression from our local MiniOS to the external one is x86 suspend/resume support, so I wanted to find out what the latest state of upstream support is. CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are these available against xen-unstable for us to merge? Jon Ludlam did the original MirageOS support; any comments on the arch_rebuild_p2m query from Thomas? cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 09:39:40 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 09:39:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4RsB-0002Iz-D6; Tue, 08 Jul 2014 09:39:39 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4RsA-0002Ir-9P for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 09:39:38 +0000 Received: from [193.109.254.147:8267] by server-10.bemta-14.messagelabs.com id 5F/3A-01431-95CBBB35; Tue, 08 Jul 2014 09:39:37 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-27.messagelabs.com!1404812376!16100175!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16966 invoked from network); 8 Jul 2014 09:39:36 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-27.messagelabs.com with SMTP; 8 Jul 2014 09:39:36 -0000 Received: (qmail 7095 invoked by uid 634); 8 Jul 2014 09:39:36 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-102-120.in-addr.btopenworld.com (HELO [10.0.0.108]) (81.149.102.120) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 08 Jul 2014 10:39:32 +0100 From: Anil Madhavapeddy Date: Tue, 8 Jul 2014 10:39:30 +0100 Message-Id: To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Felipe Huici , Joao Martins Subject: [MirageOS-devel] suspend/resume in MiniOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org We're just about ready to merge in Thomas Leonard's external MiniOS patches into Mirage: https://github.com/mirage/mirage-platform/pull/93 The only known regression from our local MiniOS to the external one is x86 suspend/resume support, so I wanted to find out what the latest state of upstream support is. CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are these available against xen-unstable for us to merge? Jon Ludlam did the original MirageOS support; any comments on the arch_rebuild_p2m query from Thomas? cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 20:30:39 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 20:30:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4c23-0006mW-I9; Tue, 08 Jul 2014 20:30:31 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4c21-0006mR-RS for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 20:30:30 +0000 Received: from [85.158.137.68:56751] by server-7.bemta-3.messagelabs.com id C4/5A-22775-5E45CB35; Tue, 08 Jul 2014 20:30:29 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1404851425!14813406!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_10,ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1630 invoked from network); 8 Jul 2014 20:30:26 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 8 Jul 2014 20:30:26 -0000 Received: from [192.168.1.44] (unknown [86.14.232.58]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id A8060213A for ; Tue, 8 Jul 2014 22:30:24 +0200 (CEST) Message-ID: <53BC5495.9080204@mehnert.org> Date: Tue, 08 Jul 2014 21:29:09 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] ocaml-tls released - https://tls.openmirage.org X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 Hey, just wanted to keep this mailing list in the loop.. we released, and got some feedback on hacker news and twitter: https://news.ycombinator.com/item?id=8005130 demo server: https://tls.openmirage.org Here's the actual announcement: We announce a **beta** release of `ocaml-tls`, a clean-slate implementation of [Transport Layer Security](https://en.wikipedia.org/wiki/Transport_Layer_Security) (TLS) in OCaml. ### What is TLS? Transport Layer Security (TLS) is probably the most widely deployed security protocol on the Internet. It provides communication privacy to prevent eavesdropping, tampering, and message forgery. Furthermore, it optionally provides authentication of the involved endpoints. TLS is commonly deployed for securing web services ([HTTPS](http://tools.ietf.org/html/rfc2818)), emails, virtual private networks, and wireless networks. TLS uses asymmetric cryptography to exchange a symmetric key, and optionally authenticate (using X.509) either or both endpoints. It provides algorithmic agility, which means that the key exchange method, symmetric encryption algorithm, and hash algorithm are negotiated. ### TLS in OCaml Our implementation [ocaml-tls](https://github.com/mirleft/ocaml-tls) is already able to interoperate with existing TLS implementations, and supports several important TLS extensions such as server name indication ([RFC4366][], enabling virtual hosting) and secure renegotiation ([RFC5746][]). Our [demonstration server][^7] runs `ocaml-tls` and renders exchanged TLS messages in nearly real time by receiving a trace of the TLS session setup. If you encounter any problems, please give us [feedback][^14]. `ocaml-tls` and all dependent libraries are available via [OPAM][^18] (`opam install tls`). The [source is available][^1] under a BSD license. We are primarily working towards completeness of protocol features, such as client authentication, session resumption, elliptic curve and GCM cipher suites, and have not yet optimised for performance. `ocaml-tls` depends on the following independent libraries: [ocaml-nocrypto][^6] implements the cryptographic primitives, [ocaml-asn1-combinators][^5] provides ASN.1 parsers/unparsers, and [ocaml-x509][^8] implements the X509 grammar and certificate validation ([RFC5280][]). [ocaml-tls][^1] implements TLS (1.0, 1.1 and 1.2; [RFC2246][], [RFC4346][], [RFC5246][]). We invite the community to audit and run our code, and we are particularly interested in discussion of our APIs. Please use the [mirage-devel mailing list][^9] for discussions. **Please be aware that this release is a *beta* and is missing external code audits. It is not yet intended for use in any security critical applications.** In our [issue tracker][^14] we transparently document known attacks against TLS and our mitigations ([checked][^4] and [unchecked][^11]). We have not yet implemented mitigations against either the [Lucky13][^12] timing attack or traffic analysis (e.g. [length-hiding padding][^13]). ### Trusted code base Designed to run on Mirage, the trusted code base of `ocaml-tls` is small. It includes the libraries already mentioned, [`ocaml-tls`][^1], [`ocaml-asn-combinators`][^5], [`ocaml-x509`][^8], and [`ocaml-nocrypto`][^6] (which uses C implementations of block ciphers and hash algorithms). For arbitrary precision integers needed in asymmetric cryptography, we rely on [`zarith`][^15], which wraps [`libgmp`][^16]. As underlying byte array structure we use [`cstruct`][^17] (which uses OCaml `Bigarray` as storage). We should also mention the OCaml runtime, the OCaml compiler, the operating system on which the source is compiled and the binary is executed, as well as the underlying hardware. Two effectful frontends for the pure TLS core are implemented, dealing with side-effects such as reading and writing from the network: [Lwt_unix](http://ocsigen.org/lwt/api/Lwt_unix) and Mirage, so applications can run directly as a Xen unikernel. ### Why a new TLS implementation? **Update:** Thanks to [Frama-C][frama-c] guys for [pointing][twitter-1] [out][twitter-2] that [CVE-2014-1266][] and [CVE-2014-0224][] are *not* memory safety issues, but logic errors. This article previously stated otherwise. [frama-c]: http://frama-c.com/ [twitter-1]: https://twitter.com/spun_off/status/486535304426188800 [twitter-2]: https://twitter.com/spun_off/status/486536572792090626 There are only a few TLS implementations publicly available and most programming languages bind to OpenSSL, an open source implementation written in C. There are valid reasons to interface with an existing TLS library, rather than developing one from scratch, including protocol complexity and compatibility with different TLS versions and implementations. But from our perspective the disadvantage of most existing libraries is that they are written in C, leading to: * Memory safety issues, as recently observed by [Heartbleed][] and GnuTLS session identifier memory corruption ([CVE-2014-3466][]) bugs; * Control flow complexity (Apple's goto fail, [CVE-2014-1266][]); * And difficulty in encoding state machines (OpenSSL change cipher suite attack, [CVE-2014-0224][]). Our main reasons for `ocaml-tls` are that OCaml is a modern functional language, which allows concise and declarative descriptions of the complex protocol logic and provides type safety and memory safety to help guard against programming errors. Its functional nature is extensively employed in our code: the core of the protocol is written in purely functional style, without any side effects. Subsequent blog posts [over the coming days](https://github.com/mirage/mirage/issues/257) will examine in more detail the design and implementation of the four libraries, as well as the security trade-offs and some TLS attacks and our mitigations against them. For now though, we invite you to try out our **[demonstration server][^7]** running our stack over HTTPS. We're particularly interested in feedback on our [issue tracker](https://github.com/mirleft/ocaml-tls) about clients that fail to connect, and any queries from anyone reviewing the [source code](https://github.com/mirleft/) of the constituent libraries. [^1]: https://github.com/mirleft/ocaml-tls [^3]: http://www.openbsd.org/papers/bsdcan14-libressl/mgp00026.html) [^4]: https://github.com/mirleft/ocaml-tls/issues?labels=security+concern&page=1&state=open [^5]: https://github.com/mirleft/ocaml-asn1-combinators [^6]: https://github.com/mirleft/ocaml-nocrypto [^7]: https://tls.openmirage.org/ [^8]: https://github.com/mirleft/ocaml-x509 [^9]: http://lists.xenproject.org/archives/html/mirageos-devel/ [^10]: https://github.com/mirage/mirage-entropy [^11]: https://github.com/mirleft/ocaml-tls/issues?labels=security+concern&page=1&state=closed [^12]: http://www.isg.rhul.ac.uk/tls/Lucky13.html [^13]: http://tools.ietf.org/html/draft-pironti-tls-length-hiding-02 [^14]: https://github.com/mirleft/ocaml-tls/issues [^15]: https://forge.ocamlcore.org/projects/zarith [^16]: https://gmplib.org/ [^17]: https://github.com/mirage/ocaml-cstruct [^18]: https://opam.ocaml.org/packages/tls/tls.0.1.0/ [attacks]: http://eprint.iacr.org/2013/049 [Heartbleed]: https://en.wikipedia.org/wiki/Heartbleed [mostdangerous]: https://crypto.stanford.edu/~dabo/pubs/abstracts/ssl-client-bugs.html [frankencert]: https://www.cs.utexas.edu/~shmat/shmat_oak14.pdf [mitls]: http://www.mitls.org [Fortuna]: https://www.schneier.com/fortuna.html [HOL]: http://www.infsec.ethz.ch/people/andreloc/publications/lochbihler14iw.pdf [cheap]: http://people.cs.missouri.edu/~harrisonwl/drafts/CheapThreads.pdf [RFC4366]: https://tools.ietf.org/html/rfc4366 [RFC5746]: https://tools.ietf.org/html/rfc5746 [RFC5280]: https://tools.ietf.org/html/rfc5280 [RFC2246]: https://tools.ietf.org/html/rfc2246 [RFC4346]: https://tools.ietf.org/html/rfc4346 [RFC5246]: https://tools.ietf.org/html/rfc5246 [CVE-2014-1266]: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1266 [CVE-2014-3466]: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3466 [CVE-2014-0224]: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0224 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTvFSVAAoJELyJZYjffCjuaDsP/03f4Eo1LklD3KZIEp5UWQva h+7wlYo8rN/lE0Pc9Qakoi8bKd9oEvQs2X4Pajpgf9Wq85nYSo5MbKQ6qklLNFlv mGz3ghuUvtNfVIPALVPBms9hPhrSwfSdIZJqLUuPnE2kNn2zlzI6DnpXraFa6e4x LsCFmTH2DwR/WjWjnz1+jpmZDdE1XH2jCxsEcKLWWDidxBjNff/UWdhDNLs2tdSe 3rDxsGjgfNDlFFrGjupwI+DdSYt9x1XjHTKHccmBsoBZK4WsPHn3hbyc7S5zn9GI eLEgK3dv5U1+LXBY/e8CfoMFENPiJL5FdEXMkFKc94WGJpwQ874MySxGfUbWJNyc JAConWOWCMOSjhNt4wDwvKr+oJvXWx22ItxfNb2xMIRv33PRLyEPMcy6et6Hac5F 5w/DWnpJkpBNTA7OVEiGicGoyx692dl1pmOxetlAahSVx1XUxmucZXwQuux6vBB2 9oe+nxk32gk4WH02JN80kI0aeI3nM7ymUG2uBq8CfhFEwUigsLc5LM+IFQgqi9Kv 9vxbaej0+XHokNw4dl9RU0/DLdhf/i9+aRkwDOdt/mDguXvYBVTCaGTxeLD7tvsK KOoRtx97G7ffiR0GXijDFNC9M6wrNovQzZaW/Hi/oninxcL6QHWkstZnDlJhxX5s 9G4/VE11WDn0+TZus5wt =ucrO -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 20:30:39 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 20:30:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4c23-0006mW-I9; Tue, 08 Jul 2014 20:30:31 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4c21-0006mR-RS for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 20:30:30 +0000 Received: from [85.158.137.68:56751] by server-7.bemta-3.messagelabs.com id C4/5A-22775-5E45CB35; Tue, 08 Jul 2014 20:30:29 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1404851425!14813406!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_10,ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1630 invoked from network); 8 Jul 2014 20:30:26 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 8 Jul 2014 20:30:26 -0000 Received: from [192.168.1.44] (unknown [86.14.232.58]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id A8060213A for ; Tue, 8 Jul 2014 22:30:24 +0200 (CEST) Message-ID: <53BC5495.9080204@mehnert.org> Date: Tue, 08 Jul 2014 21:29:09 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] ocaml-tls released - https://tls.openmirage.org X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 Hey, just wanted to keep this mailing list in the loop.. we released, and got some feedback on hacker news and twitter: https://news.ycombinator.com/item?id=8005130 demo server: https://tls.openmirage.org Here's the actual announcement: We announce a **beta** release of `ocaml-tls`, a clean-slate implementation of [Transport Layer Security](https://en.wikipedia.org/wiki/Transport_Layer_Security) (TLS) in OCaml. ### What is TLS? Transport Layer Security (TLS) is probably the most widely deployed security protocol on the Internet. It provides communication privacy to prevent eavesdropping, tampering, and message forgery. Furthermore, it optionally provides authentication of the involved endpoints. TLS is commonly deployed for securing web services ([HTTPS](http://tools.ietf.org/html/rfc2818)), emails, virtual private networks, and wireless networks. TLS uses asymmetric cryptography to exchange a symmetric key, and optionally authenticate (using X.509) either or both endpoints. It provides algorithmic agility, which means that the key exchange method, symmetric encryption algorithm, and hash algorithm are negotiated. ### TLS in OCaml Our implementation [ocaml-tls](https://github.com/mirleft/ocaml-tls) is already able to interoperate with existing TLS implementations, and supports several important TLS extensions such as server name indication ([RFC4366][], enabling virtual hosting) and secure renegotiation ([RFC5746][]). Our [demonstration server][^7] runs `ocaml-tls` and renders exchanged TLS messages in nearly real time by receiving a trace of the TLS session setup. If you encounter any problems, please give us [feedback][^14]. `ocaml-tls` and all dependent libraries are available via [OPAM][^18] (`opam install tls`). The [source is available][^1] under a BSD license. We are primarily working towards completeness of protocol features, such as client authentication, session resumption, elliptic curve and GCM cipher suites, and have not yet optimised for performance. `ocaml-tls` depends on the following independent libraries: [ocaml-nocrypto][^6] implements the cryptographic primitives, [ocaml-asn1-combinators][^5] provides ASN.1 parsers/unparsers, and [ocaml-x509][^8] implements the X509 grammar and certificate validation ([RFC5280][]). [ocaml-tls][^1] implements TLS (1.0, 1.1 and 1.2; [RFC2246][], [RFC4346][], [RFC5246][]). We invite the community to audit and run our code, and we are particularly interested in discussion of our APIs. Please use the [mirage-devel mailing list][^9] for discussions. **Please be aware that this release is a *beta* and is missing external code audits. It is not yet intended for use in any security critical applications.** In our [issue tracker][^14] we transparently document known attacks against TLS and our mitigations ([checked][^4] and [unchecked][^11]). We have not yet implemented mitigations against either the [Lucky13][^12] timing attack or traffic analysis (e.g. [length-hiding padding][^13]). ### Trusted code base Designed to run on Mirage, the trusted code base of `ocaml-tls` is small. It includes the libraries already mentioned, [`ocaml-tls`][^1], [`ocaml-asn-combinators`][^5], [`ocaml-x509`][^8], and [`ocaml-nocrypto`][^6] (which uses C implementations of block ciphers and hash algorithms). For arbitrary precision integers needed in asymmetric cryptography, we rely on [`zarith`][^15], which wraps [`libgmp`][^16]. As underlying byte array structure we use [`cstruct`][^17] (which uses OCaml `Bigarray` as storage). We should also mention the OCaml runtime, the OCaml compiler, the operating system on which the source is compiled and the binary is executed, as well as the underlying hardware. Two effectful frontends for the pure TLS core are implemented, dealing with side-effects such as reading and writing from the network: [Lwt_unix](http://ocsigen.org/lwt/api/Lwt_unix) and Mirage, so applications can run directly as a Xen unikernel. ### Why a new TLS implementation? **Update:** Thanks to [Frama-C][frama-c] guys for [pointing][twitter-1] [out][twitter-2] that [CVE-2014-1266][] and [CVE-2014-0224][] are *not* memory safety issues, but logic errors. This article previously stated otherwise. [frama-c]: http://frama-c.com/ [twitter-1]: https://twitter.com/spun_off/status/486535304426188800 [twitter-2]: https://twitter.com/spun_off/status/486536572792090626 There are only a few TLS implementations publicly available and most programming languages bind to OpenSSL, an open source implementation written in C. There are valid reasons to interface with an existing TLS library, rather than developing one from scratch, including protocol complexity and compatibility with different TLS versions and implementations. But from our perspective the disadvantage of most existing libraries is that they are written in C, leading to: * Memory safety issues, as recently observed by [Heartbleed][] and GnuTLS session identifier memory corruption ([CVE-2014-3466][]) bugs; * Control flow complexity (Apple's goto fail, [CVE-2014-1266][]); * And difficulty in encoding state machines (OpenSSL change cipher suite attack, [CVE-2014-0224][]). Our main reasons for `ocaml-tls` are that OCaml is a modern functional language, which allows concise and declarative descriptions of the complex protocol logic and provides type safety and memory safety to help guard against programming errors. Its functional nature is extensively employed in our code: the core of the protocol is written in purely functional style, without any side effects. Subsequent blog posts [over the coming days](https://github.com/mirage/mirage/issues/257) will examine in more detail the design and implementation of the four libraries, as well as the security trade-offs and some TLS attacks and our mitigations against them. For now though, we invite you to try out our **[demonstration server][^7]** running our stack over HTTPS. We're particularly interested in feedback on our [issue tracker](https://github.com/mirleft/ocaml-tls) about clients that fail to connect, and any queries from anyone reviewing the [source code](https://github.com/mirleft/) of the constituent libraries. [^1]: https://github.com/mirleft/ocaml-tls [^3]: http://www.openbsd.org/papers/bsdcan14-libressl/mgp00026.html) [^4]: https://github.com/mirleft/ocaml-tls/issues?labels=security+concern&page=1&state=open [^5]: https://github.com/mirleft/ocaml-asn1-combinators [^6]: https://github.com/mirleft/ocaml-nocrypto [^7]: https://tls.openmirage.org/ [^8]: https://github.com/mirleft/ocaml-x509 [^9]: http://lists.xenproject.org/archives/html/mirageos-devel/ [^10]: https://github.com/mirage/mirage-entropy [^11]: https://github.com/mirleft/ocaml-tls/issues?labels=security+concern&page=1&state=closed [^12]: http://www.isg.rhul.ac.uk/tls/Lucky13.html [^13]: http://tools.ietf.org/html/draft-pironti-tls-length-hiding-02 [^14]: https://github.com/mirleft/ocaml-tls/issues [^15]: https://forge.ocamlcore.org/projects/zarith [^16]: https://gmplib.org/ [^17]: https://github.com/mirage/ocaml-cstruct [^18]: https://opam.ocaml.org/packages/tls/tls.0.1.0/ [attacks]: http://eprint.iacr.org/2013/049 [Heartbleed]: https://en.wikipedia.org/wiki/Heartbleed [mostdangerous]: https://crypto.stanford.edu/~dabo/pubs/abstracts/ssl-client-bugs.html [frankencert]: https://www.cs.utexas.edu/~shmat/shmat_oak14.pdf [mitls]: http://www.mitls.org [Fortuna]: https://www.schneier.com/fortuna.html [HOL]: http://www.infsec.ethz.ch/people/andreloc/publications/lochbihler14iw.pdf [cheap]: http://people.cs.missouri.edu/~harrisonwl/drafts/CheapThreads.pdf [RFC4366]: https://tools.ietf.org/html/rfc4366 [RFC5746]: https://tools.ietf.org/html/rfc5746 [RFC5280]: https://tools.ietf.org/html/rfc5280 [RFC2246]: https://tools.ietf.org/html/rfc2246 [RFC4346]: https://tools.ietf.org/html/rfc4346 [RFC5246]: https://tools.ietf.org/html/rfc5246 [CVE-2014-1266]: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-1266 [CVE-2014-3466]: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3466 [CVE-2014-0224]: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0224 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTvFSVAAoJELyJZYjffCjuaDsP/03f4Eo1LklD3KZIEp5UWQva h+7wlYo8rN/lE0Pc9Qakoi8bKd9oEvQs2X4Pajpgf9Wq85nYSo5MbKQ6qklLNFlv mGz3ghuUvtNfVIPALVPBms9hPhrSwfSdIZJqLUuPnE2kNn2zlzI6DnpXraFa6e4x LsCFmTH2DwR/WjWjnz1+jpmZDdE1XH2jCxsEcKLWWDidxBjNff/UWdhDNLs2tdSe 3rDxsGjgfNDlFFrGjupwI+DdSYt9x1XjHTKHccmBsoBZK4WsPHn3hbyc7S5zn9GI eLEgK3dv5U1+LXBY/e8CfoMFENPiJL5FdEXMkFKc94WGJpwQ874MySxGfUbWJNyc JAConWOWCMOSjhNt4wDwvKr+oJvXWx22ItxfNb2xMIRv33PRLyEPMcy6et6Hac5F 5w/DWnpJkpBNTA7OVEiGicGoyx692dl1pmOxetlAahSVx1XUxmucZXwQuux6vBB2 9oe+nxk32gk4WH02JN80kI0aeI3nM7ymUG2uBq8CfhFEwUigsLc5LM+IFQgqi9Kv 9vxbaej0+XHokNw4dl9RU0/DLdhf/i9+aRkwDOdt/mDguXvYBVTCaGTxeLD7tvsK KOoRtx97G7ffiR0GXijDFNC9M6wrNovQzZaW/Hi/oninxcL6QHWkstZnDlJhxX5s 9G4/VE11WDn0+TZus5wt =ucrO -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 22:46:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 22:46:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4e9b-0008Di-12; Tue, 08 Jul 2014 22:46:27 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4e9a-0008Dd-A8 for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 22:46:26 +0000 Received: from [193.109.254.147:53271] by server-14.bemta-14.messagelabs.com id 06/56-11800-1C47CB35; Tue, 08 Jul 2014 22:46:25 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1404859582!16250617!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25299 invoked from network); 8 Jul 2014 22:46:22 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 8 Jul 2014 22:46:22 -0000 Received: (qmail 27824 invoked by uid 634); 8 Jul 2014 22:46:20 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.62]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 08 Jul 2014 23:46:19 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 8 Jul 2014 23:46:18 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > I'm writing a test Mirage service for queuing files. It's not using > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > > Some problems I found: > > 1. Running as a --unix process, I initially got a download speed of > 230 KB/s. Increasing the size of the chunks I was reading from the Fat > filesystem (a disk.img file) from 512 bytes to 1MB, I was able to > increase this to 3 MB/s. Both seem rather low. Apache on the same > machine gets 615 MB/s! Yep, this is expected, since we explicitly don't have a buffer cache in the way and so everything you're doing is hitting the disk (and going through a not-very-optimized FAT implementation into the bargain). The plan here is to define a buffer cache that's a functor over FS, and then apply it in config.ml (perhaps through a helper library function). > I tried reproducing it with mirage-skeleton/static_website, but it > didn't want to know: > > $ git clone https://github.com/mirage/mirage-skeleton.git > $ cd mirage-skeleton/static_website > $ FS=fat NET=socket mirage configure --unix > > [ note: my actual test file is not all zeros, but for this email... ] > > $ dd if=/dev/zero of=htdocs/data bs=1024 count=2 > $ ./make-fat1-image.sh > $ make > $ ./mir-www > Manager: connect > Manager: configuring > Manager: socket config currently ignored (TODO) > Fatal error: exception Failure("fat2") That's not a helpful error... any ideas ThomasG/Dave? > 2. To be able to use the FS inferface, I had to specialise it like this: > > module type FS = V1_LWT.FS with > type page_aligned_buffer = Cstruct.t and > type block_device_error = Fat.Fs.block_error Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitely a bug: (** FS *) module type FS = FS with type 'a io = 'a Lwt.t (all the other definitions override it). Could you file a bug about this? Best fixed in the 2.x branch. > This means my unikernel only works with Fat. If I don't do this, I > can't report or log error messages. I guess this is also why the test > above gave such a useless error. Are there any plans to make error > handling easier? Dave, what are your thoughts on this? That is indeed a distinctly abstract-looking block device error :-) > 3. In my tags file, I use: > > not : warn(A) > > Would be nice if the generated main.ml compiled without warnings (this > might be related to the previous point, as it's the error details that > it is ignoring). Worth filing a bug for this too. > 4. Can I get mirage to generate a Makefile that builds and runs my > unit-tests? I guess I can't run the unit-tests when in --xen mode, > because some modules have conflicting names, but it would be nice in > --unix mode at least. Need some more details on the nature of these unit tests, as I don't understand what you mean by 'conflicting names'. Can each unit test be compiled as a separate unikernel (so it'll work on Xen) via some config.ml code? -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 08 22:46:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 08 Jul 2014 22:46:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4e9b-0008Di-12; Tue, 08 Jul 2014 22:46:27 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4e9a-0008Dd-A8 for mirageos-devel@lists.xenproject.org; Tue, 08 Jul 2014 22:46:26 +0000 Received: from [193.109.254.147:53271] by server-14.bemta-14.messagelabs.com id 06/56-11800-1C47CB35; Tue, 08 Jul 2014 22:46:25 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1404859582!16250617!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25299 invoked from network); 8 Jul 2014 22:46:22 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 8 Jul 2014 22:46:22 -0000 Received: (qmail 27824 invoked by uid 634); 8 Jul 2014 22:46:20 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.62]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 08 Jul 2014 23:46:19 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 8 Jul 2014 23:46:18 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > I'm writing a test Mirage service for queuing files. It's not using > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > > Some problems I found: > > 1. Running as a --unix process, I initially got a download speed of > 230 KB/s. Increasing the size of the chunks I was reading from the Fat > filesystem (a disk.img file) from 512 bytes to 1MB, I was able to > increase this to 3 MB/s. Both seem rather low. Apache on the same > machine gets 615 MB/s! Yep, this is expected, since we explicitly don't have a buffer cache in the way and so everything you're doing is hitting the disk (and going through a not-very-optimized FAT implementation into the bargain). The plan here is to define a buffer cache that's a functor over FS, and then apply it in config.ml (perhaps through a helper library function). > I tried reproducing it with mirage-skeleton/static_website, but it > didn't want to know: > > $ git clone https://github.com/mirage/mirage-skeleton.git > $ cd mirage-skeleton/static_website > $ FS=fat NET=socket mirage configure --unix > > [ note: my actual test file is not all zeros, but for this email... ] > > $ dd if=/dev/zero of=htdocs/data bs=1024 count=2 > $ ./make-fat1-image.sh > $ make > $ ./mir-www > Manager: connect > Manager: configuring > Manager: socket config currently ignored (TODO) > Fatal error: exception Failure("fat2") That's not a helpful error... any ideas ThomasG/Dave? > 2. To be able to use the FS inferface, I had to specialise it like this: > > module type FS = V1_LWT.FS with > type page_aligned_buffer = Cstruct.t and > type block_device_error = Fat.Fs.block_error Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitely a bug: (** FS *) module type FS = FS with type 'a io = 'a Lwt.t (all the other definitions override it). Could you file a bug about this? Best fixed in the 2.x branch. > This means my unikernel only works with Fat. If I don't do this, I > can't report or log error messages. I guess this is also why the test > above gave such a useless error. Are there any plans to make error > handling easier? Dave, what are your thoughts on this? That is indeed a distinctly abstract-looking block device error :-) > 3. In my tags file, I use: > > not : warn(A) > > Would be nice if the generated main.ml compiled without warnings (this > might be related to the previous point, as it's the error details that > it is ignoring). Worth filing a bug for this too. > 4. Can I get mirage to generate a Makefile that builds and runs my > unit-tests? I guess I can't run the unit-tests when in --xen mode, > because some modules have conflicting names, but it would be nice in > --unix mode at least. Need some more details on the nature of these unit tests, as I don't understand what you mean by 'conflicting names'. Can each unit test be compiled as a separate unikernel (so it'll work on Xen) via some config.ml code? -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 08:32:42 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 08:32:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4nIq-0005hV-M0; Wed, 09 Jul 2014 08:32:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4nIp-0005hQ-61 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 08:32:35 +0000 Received: from [193.109.254.147:34941] by server-4.bemta-14.messagelabs.com id 8E/0C-20586-22EFCB35; Wed, 09 Jul 2014 08:32:34 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1404894753!16349733!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27724 invoked from network); 9 Jul 2014 08:32:33 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-10.tower-27.messagelabs.com with SMTP; 9 Jul 2014 08:32:33 -0000 X-IronPort-AV: E=Sophos;i="5.01,630,1400025600"; d="scan'208";a="22943123" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 09 Jul 2014 08:32:34 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Wed, 9 Jul 2014 10:32:33 +0200 From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] Mirage questions from writing a REST service Thread-Index: AQHPmcMHIQ9vb5PIQEiHGLooKzh/KJuWp88AgACjyYA= Date: Wed, 9 Jul 2014 08:32:32 +0000 Message-ID: <25D27A07-7C84-499A-9FEA-5959888693B2@citrix.com> References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: <7A161CE516B3D843AB95B25F23B1B733@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 8 Jul 2014, at 23:46, Anil Madhavapeddy wrote: > On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > = >> I'm writing a test Mirage service for queuing files. It's not using >> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >> = >> Some problems I found: >> = >> 1. Running as a --unix process, I initially got a download speed of >> 230 KB/s. Increasing the size of the chunks I was reading from the Fat >> filesystem (a disk.img file) from 512 bytes to 1MB, I was able to >> increase this to 3 MB/s. Both seem rather low. Apache on the same >> machine gets 615 MB/s! > = > Yep, this is expected, since we explicitly don't have a buffer cache > in the way and so everything you're doing is hitting the disk (and > going through a not-very-optimized FAT implementation into the bargain). > = > The plan here is to define a buffer cache that's a functor over FS, > and then apply it in config.ml (perhaps through a helper library function= ). A functor over FS or over BLOCK should work. >> I tried reproducing it with mirage-skeleton/static_website, but it >> didn't want to know: >> = >> $ git clone https://github.com/mirage/mirage-skeleton.git >> $ cd mirage-skeleton/static_website >> $ FS=3Dfat NET=3Dsocket mirage configure --unix >> = >> [ note: my actual test file is not all zeros, but for this email... ] >> = >> $ dd if=3D/dev/zero of=3Dhtdocs/data bs=3D1024 count=3D2 >> $ ./make-fat1-image.sh >> $ make >> $ ./mir-www >> Manager: connect >> Manager: configuring >> Manager: socket config currently ignored (TODO) >> Fatal error: exception Failure("fat2") > = > That's not a helpful error... any ideas ThomasG/Dave? Unfortunately we don=92t have pretty-printing of our mirage-types errors. T= his failure comes from the mirage autogen code: ``` (* Generated by Mirage (Wed, 9 Jul 2014 08:27:05 GMT). *) =85 module Fat2 =3D Fat.Fs.Make(Block)(Io_page) let fat2 () =3D block1 () >>=3D function | `Error _ -> fail (Failure "fat2") | `Ok dev -> Fat2.connect dev ``` Perhaps we should add =93with sexp=94 to all our mirage-types errors, and t= hen mirage could autogen calls to the right printer? The failure might be that the disk is too small (2048 bytes?) I never imple= mented FAT12 so it=92s good to go for larger disk sizes (16MiB+) > = >> 2. To be able to use the FS inferface, I had to specialise it like this: >> = >> module type FS =3D V1_LWT.FS with >> type page_aligned_buffer =3D Cstruct.t and >> type block_device_error =3D Fat.Fs.block_error > = > Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitely > a bug: > = > (** FS *) > module type FS =3D FS > with type 'a io =3D 'a Lwt.t > = > (all the other definitions override it). Could you file a bug about > this? Best fixed in the 2.x branch. > = >> This means my unikernel only works with Fat. If I don't do this, I >> can't report or log error messages. I guess this is also why the test >> above gave such a useless error. Are there any plans to make error >> handling easier? > = > Dave, what are your thoughts on this? That is indeed a distinctly > abstract-looking block device error :-) I still find the error handling a bit awkward, particularly when you have l= ayered devices and have wrapped errors. I think pretty-printing will defini= tely help though! Cheers, Dave > = >> 3. In my tags file, I use: >> = >> not : warn(A) >> = >> Would be nice if the generated main.ml compiled without warnings (this >> might be related to the previous point, as it's the error details that >> it is ignoring). > = > Worth filing a bug for this too. > = >> 4. Can I get mirage to generate a Makefile that builds and runs my >> unit-tests? I guess I can't run the unit-tests when in --xen mode, >> because some modules have conflicting names, but it would be nice in >> --unix mode at least. > = > Need some more details on the nature of these unit tests, as I don't > understand what you mean by 'conflicting names'. Can each unit test > be compiled as a separate unikernel (so it'll work on Xen) via some > config.ml code? > = > -anil > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 08:32:42 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 08:32:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4nIq-0005hV-M0; Wed, 09 Jul 2014 08:32:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4nIp-0005hQ-61 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 08:32:35 +0000 Received: from [193.109.254.147:34941] by server-4.bemta-14.messagelabs.com id 8E/0C-20586-22EFCB35; Wed, 09 Jul 2014 08:32:34 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1404894753!16349733!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27724 invoked from network); 9 Jul 2014 08:32:33 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-10.tower-27.messagelabs.com with SMTP; 9 Jul 2014 08:32:33 -0000 X-IronPort-AV: E=Sophos;i="5.01,630,1400025600"; d="scan'208";a="22943123" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 09 Jul 2014 08:32:34 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Wed, 9 Jul 2014 10:32:33 +0200 From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] Mirage questions from writing a REST service Thread-Index: AQHPmcMHIQ9vb5PIQEiHGLooKzh/KJuWp88AgACjyYA= Date: Wed, 9 Jul 2014 08:32:32 +0000 Message-ID: <25D27A07-7C84-499A-9FEA-5959888693B2@citrix.com> References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: <7A161CE516B3D843AB95B25F23B1B733@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 8 Jul 2014, at 23:46, Anil Madhavapeddy wrote: > On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > = >> I'm writing a test Mirage service for queuing files. It's not using >> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >> = >> Some problems I found: >> = >> 1. Running as a --unix process, I initially got a download speed of >> 230 KB/s. Increasing the size of the chunks I was reading from the Fat >> filesystem (a disk.img file) from 512 bytes to 1MB, I was able to >> increase this to 3 MB/s. Both seem rather low. Apache on the same >> machine gets 615 MB/s! > = > Yep, this is expected, since we explicitly don't have a buffer cache > in the way and so everything you're doing is hitting the disk (and > going through a not-very-optimized FAT implementation into the bargain). > = > The plan here is to define a buffer cache that's a functor over FS, > and then apply it in config.ml (perhaps through a helper library function= ). A functor over FS or over BLOCK should work. >> I tried reproducing it with mirage-skeleton/static_website, but it >> didn't want to know: >> = >> $ git clone https://github.com/mirage/mirage-skeleton.git >> $ cd mirage-skeleton/static_website >> $ FS=3Dfat NET=3Dsocket mirage configure --unix >> = >> [ note: my actual test file is not all zeros, but for this email... ] >> = >> $ dd if=3D/dev/zero of=3Dhtdocs/data bs=3D1024 count=3D2 >> $ ./make-fat1-image.sh >> $ make >> $ ./mir-www >> Manager: connect >> Manager: configuring >> Manager: socket config currently ignored (TODO) >> Fatal error: exception Failure("fat2") > = > That's not a helpful error... any ideas ThomasG/Dave? Unfortunately we don=92t have pretty-printing of our mirage-types errors. T= his failure comes from the mirage autogen code: ``` (* Generated by Mirage (Wed, 9 Jul 2014 08:27:05 GMT). *) =85 module Fat2 =3D Fat.Fs.Make(Block)(Io_page) let fat2 () =3D block1 () >>=3D function | `Error _ -> fail (Failure "fat2") | `Ok dev -> Fat2.connect dev ``` Perhaps we should add =93with sexp=94 to all our mirage-types errors, and t= hen mirage could autogen calls to the right printer? The failure might be that the disk is too small (2048 bytes?) I never imple= mented FAT12 so it=92s good to go for larger disk sizes (16MiB+) > = >> 2. To be able to use the FS inferface, I had to specialise it like this: >> = >> module type FS =3D V1_LWT.FS with >> type page_aligned_buffer =3D Cstruct.t and >> type block_device_error =3D Fat.Fs.block_error > = > Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitely > a bug: > = > (** FS *) > module type FS =3D FS > with type 'a io =3D 'a Lwt.t > = > (all the other definitions override it). Could you file a bug about > this? Best fixed in the 2.x branch. > = >> This means my unikernel only works with Fat. If I don't do this, I >> can't report or log error messages. I guess this is also why the test >> above gave such a useless error. Are there any plans to make error >> handling easier? > = > Dave, what are your thoughts on this? That is indeed a distinctly > abstract-looking block device error :-) I still find the error handling a bit awkward, particularly when you have l= ayered devices and have wrapped errors. I think pretty-printing will defini= tely help though! Cheers, Dave > = >> 3. In my tags file, I use: >> = >> not : warn(A) >> = >> Would be nice if the generated main.ml compiled without warnings (this >> might be related to the previous point, as it's the error details that >> it is ignoring). > = > Worth filing a bug for this too. > = >> 4. Can I get mirage to generate a Makefile that builds and runs my >> unit-tests? I guess I can't run the unit-tests when in --xen mode, >> because some modules have conflicting names, but it would be nice in >> --unix mode at least. > = > Need some more details on the nature of these unit tests, as I don't > understand what you mean by 'conflicting names'. Can each unit test > be compiled as a separate unikernel (so it'll work on Xen) via some > config.ml code? > = > -anil > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:00:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:00:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4og4-000224-FV; Wed, 09 Jul 2014 10:00:40 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4og3-00021z-15 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:00:39 +0000 Received: from [85.158.143.35:40251] by server-3.bemta-4.messagelabs.com id EB/0C-16194-6C21DB35; Wed, 09 Jul 2014 10:00:38 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1404900034!16785911!1 X-Originating-IP: [209.85.192.172] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15624 invoked from network); 9 Jul 2014 10:00:36 -0000 Received: from mail-pd0-f172.google.com (HELO mail-pd0-f172.google.com) (209.85.192.172) by server-15.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:00:36 -0000 Received: by mail-pd0-f172.google.com with SMTP id w10so8811654pde.3 for ; Wed, 09 Jul 2014 03:00:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=UcNhElUThHuJC7DlNBCybz0oaBSFwb82evrjtSvOq+M=; b=dkvajug0pF/eGahI8dtMkmw5i5LlAH15JqLqk5Tk17Q4Uwt44YASXbWPPjs1SUJxYm FG12TEH+zXJ4foodLLQ0oKGM+9WG32QIaOnaowGAlqlAfO72FwKZDz5LXOkC3sNUeuan /bGuD88MaffcIHwcqVLOwootja8Gzioj9FlfU/8J2zlkQBYW1yUoywV76byq1g7qfHWe m4hcokKPWl7YW5lR/oFQKfUSi1fNIGqzWWy7cN5iS+wW3rKjXC+XCJ5JeR6TCAthb/ll cyLUHQqMB8SBzIHyjfLfj1GVrdMmOPeVZGjg1b9srFNsIX+MtzBmA0CMcQat+LtfY2Iy a6FA== MIME-Version: 1.0 X-Received: by 10.70.33.2 with SMTP id n2mr10186267pdi.37.1404900034204; Wed, 09 Jul 2014 03:00:34 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Wed, 9 Jul 2014 03:00:34 -0700 (PDT) In-Reply-To: <25D27A07-7C84-499A-9FEA-5959888693B2@citrix.com> References: <25D27A07-7C84-499A-9FEA-5959888693B2@citrix.com> Date: Wed, 9 Jul 2014 11:00:34 +0100 Message-ID: From: David Scott To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6632867947961040683==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6632867947961040683== Content-Type: multipart/alternative; boundary=047d7bfd0b947bdb9104fdbfc7c3 --047d7bfd0b947bdb9104fdbfc7c3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Wed, Jul 9, 2014 at 9:32 AM, Dave Scott wrote: > > On 8 Jul 2014, at 23:46, Anil Madhavapeddy wrote: > > > On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > > > >> I'm writing a test Mirage service for queuing files. It's not using > >> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > >> > >> Some problems I found: > >> > >> 1. Running as a --unix process, I initially got a download speed of > >> 230 KB/s. Increasing the size of the chunks I was reading from the Fat > >> filesystem (a disk.img file) from 512 bytes to 1MB, I was able to > >> increase this to 3 MB/s. Both seem rather low. Apache on the same > >> machine gets 615 MB/s! > > > > Yep, this is expected, since we explicitly don't have a buffer cache > > in the way and so everything you're doing is hitting the disk (and > > going through a not-very-optimized FAT implementation into the bargain)= . > > > > The plan here is to define a buffer cache that's a functor over FS, > > and then apply it in config.ml (perhaps through a helper library > function). > > A functor over FS or over BLOCK should work. > > > >> I tried reproducing it with mirage-skeleton/static_website, but it > >> didn't want to know: > >> > >> $ git clone https://github.com/mirage/mirage-skeleton.git > >> $ cd mirage-skeleton/static_website > >> $ FS=3Dfat NET=3Dsocket mirage configure --unix > >> > >> [ note: my actual test file is not all zeros, but for this email... ] > >> > >> $ dd if=3D/dev/zero of=3Dhtdocs/data bs=3D1024 count=3D2 > >> $ ./make-fat1-image.sh > >> $ make > >> $ ./mir-www > >> Manager: connect > >> Manager: configuring > >> Manager: socket config currently ignored (TODO) > >> Fatal error: exception Failure("fat2") > > > > That's not a helpful error... any ideas ThomasG/Dave? > > Unfortunately we don=E2=80=99t have pretty-printing of our mirage-types e= rrors. > This failure comes from the mirage autogen code: > > ``` > (* Generated by Mirage (Wed, 9 Jul 2014 08:27:05 GMT). *) > =E2=80=A6 > > module Fat2 =3D Fat.Fs.Make(Block)(Io_page) > > let fat2 () =3D > block1 () >>=3D function > | `Error _ -> fail (Failure "fat2") > | `Ok dev -> Fat2.connect dev > ``` > > Perhaps we should add =E2=80=9Cwith sexp=E2=80=9D to all our mirage-types= errors, and then > mirage could autogen calls to the right printer? > I've added this to the list on https://github.com/mirage/mirage/issues/203 It's a shame the error types are defined in the module signatures rather than in modules, because it means we can't add 'with sexp' immediately without requiring the implementations to all say 'with sexp' too. Now is probably a good time to fork the V1 signatures and create the V2 versions and start applying the changes. Since we've cunningly named our existing module types V1 and V1_LWT we should be able to create V2 and V2_LWT in parallel. Perhaps we should add version suffixes to the implementation modules too (Fat_V1; Fat_V2) so we could install in parallel? For things like FAT and BLOCK it would be relatively easy to share most of the implementation code and support both interfaces via small shims. Dave > The failure might be that the disk is too small (2048 bytes?) I never > implemented FAT12 so it=E2=80=99s good to go for larger disk sizes (16MiB= +) > > > > >> 2. To be able to use the FS inferface, I had to specialise it like thi= s: > >> > >> module type FS =3D V1_LWT.FS with > >> type page_aligned_buffer =3D Cstruct.t and > >> type block_device_error =3D Fat.Fs.block_error > > > > Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitely > > a bug: > > > > (** FS *) > > module type FS =3D FS > > with type 'a io =3D 'a Lwt.t > > > > (all the other definitions override it). Could you file a bug about > > this? Best fixed in the 2.x branch. > > > >> This means my unikernel only works with Fat. If I don't do this, I > >> can't report or log error messages. I guess this is also why the test > >> above gave such a useless error. Are there any plans to make error > >> handling easier? > > > > Dave, what are your thoughts on this? That is indeed a distinctly > > abstract-looking block device error :-) > > I still find the error handling a bit awkward, particularly when you have > layered devices and have wrapped errors. I think pretty-printing will > definitely help though! > > Cheers, > Dave > > > > >> 3. In my tags file, I use: > >> > >> not : warn(A) > >> > >> Would be nice if the generated main.ml compiled without warnings (this > >> might be related to the previous point, as it's the error details that > >> it is ignoring). > > > > Worth filing a bug for this too. > > > >> 4. Can I get mirage to generate a Makefile that builds and runs my > >> unit-tests? I guess I can't run the unit-tests when in --xen mode, > >> because some modules have conflicting names, but it would be nice in > >> --unix mode at least. > > > > Need some more details on the nature of these unit tests, as I don't > > understand what you mean by 'conflicting names'. Can each unit test > > be compiled as a separate unikernel (so it'll work on Xen) via some > > config.ml code? > > > > -anil > > > > _______________________________________________ > > MirageOS-devel mailing list > > MirageOS-devel@lists.xenproject.org > > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --=20 Dave Scott --047d7bfd0b947bdb9104fdbfc7c3 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable



On Wed, Jul 9, 2014 at 9:32 AM, Dave Scott <Dave.Scott@citrix.= com> wrote:

On 8 Jul 2014, at 23:46, Anil Madhavapeddy <anil@recoil.org> wrote:

> On 7 Jul 2014, at 10:08, Thomas Leonard <talex5@gmail.com> wrote:
>
>> I'm writing a test Mirage service for queuing files. It's = not using
>> ThomasG's merge-queues - I'm just trying the low-level FS = stuff first.
>>
>> Some problems I found:
>>
>> 1. Running as a --unix process, I initially got a download speed o= f
>> 230 KB/s. Increasing the size of the chunks I was reading from the= Fat
>> filesystem (a disk.img file) from 512 bytes to 1MB, I was able to<= br> >> increase this to 3 MB/s. Both seem rather low. Apache on the same<= br> >> machine gets 615 MB/s!
>
> Yep, this is expected, since we explicitly don't have a buffer cac= he
> in the way and so everything you're doing is hitting the disk (and=
> going through a not-very-optimized FAT implementation into the bargain= ).
>
> The plan here is to define a buffer cache that's a functor over FS= ,
> and then apply it in co= nfig.ml (perhaps through a helper library function).

A functor over FS or over BLOCK should work.


>> I tried reproducing it with mirage-skeleton/static_website, but it=
>> didn't want to know:
>>
>> $ git clone https://github.com/mirage/mirage-skeleton.git
>> $ cd mirage-skeleton/static_website
>> $ FS=3Dfat NET=3Dsocket mirage configure --unix
>>
>> [ note: my actual test file is not all zeros, but for this email..= . ]
>>
>> $ dd if=3D/dev/zero of=3Dhtdocs/data bs=3D1024 count=3D2
>> $ ./make-fat1-image.sh
>> $ make
>> $ ./mir-www
>> Manager: connect
>> Manager: configuring
>> Manager: socket config currently ignored (TODO)
>> Fatal error: exception Failure("fat2")
>
> That's not a helpful error... any ideas ThomasG/Dave?

Unfortunately we don=E2=80=99t have pretty-printing of our mirage-typ= es errors. This failure comes from the mirage autogen code:

```
(* Generated by Mirage (Wed, 9 Jul 2014 08:27:05 GMT). *)
=E2=80=A6

module Fat2 =3D Fat.Fs.Make(Block)(Io_page)

let fat2 () =3D
=C2=A0 block1 () >>=3D function
=C2=A0 | `Error _ -> fail (Failure "fat2")
=C2=A0 | `Ok dev =C2=A0-> Fat2.connect dev
```

Perhaps we should add =E2=80=9Cwith sexp=E2=80=9D to all our mirage-types e= rrors, and then mirage could autogen calls to the right printer?

I've added this to the list on https://github.com/mirage/mirage/= issues/203

It's a shame the error types are defined in the mod= ule signatures rather than in modules, because it means we can't add &#= 39;with sexp' immediately without requiring the implementations to all = say 'with sexp' too.

Now is probably a good time to fork the V1 signatures a= nd create the V2 versions and start applying the changes. Since we've c= unningly named our existing module types V1 and V1_LWT we should be able to= create V2 and V2_LWT in parallel.

Perhaps we should add version suffixes to the implement= ation modules too (Fat_V1; Fat_V2) so we could install in parallel? For thi= ngs like FAT and BLOCK it would be relatively easy to share most of the imp= lementation code and support both interfaces via small shims.

Dave


The failure might be that the disk is too small (2048 bytes?) I never imple= mented FAT12 so it=E2=80=99s good to go for larger disk sizes (16MiB+)

>
>> 2. To be able to use the FS inferface, I had to specialise it like= this:
>>
>> module type FS =3D V1_LWT.FS with
>> type page_aligned_buffer =3D Cstruct.t and
>> type block_device_error =3D Fat.Fs.block_error
>
> Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitel= y
> a bug:
>
> (** FS *)
> module type FS =3D FS
> =C2=A0with type 'a io =3D 'a Lwt.t
>
> (all the other definitions override it). =C2=A0Could you file a bug ab= out
> this? =C2=A0Best fixed in the 2.x branch.
>
>> This means my unikernel only works with Fat. If I don't do thi= s, I
>> can't report or log error messages. I guess this is also why t= he test
>> above gave such a useless error. Are there any plans to make error=
>> handling easier?
>
> Dave, what are your thoughts on this? =C2=A0That is indeed a distinctl= y
> abstract-looking block device error :-)

I still find the error handling a bit awkward, particularly when you = have layered devices and have wrapped errors. I think pretty-printing will = definitely help though!

Cheers,
Dave

>
>> 3. In my tags file, I use:
>>
>> not <main.*>: warn(A)
>>
>> Would be nice if the generated main.ml compiled without warnings (this
>> might be related to the previous point, as it's the error deta= ils that
>> it is ignoring).
>
> Worth filing a bug for this too.
>
>> 4. Can I get mirage to generate a Makefile that builds and runs my=
>> unit-tests? I guess I can't run the unit-tests when in --xen m= ode,
>> because some modules have conflicting names, but it would be nice = in
>> --unix mode at least.
>
> Need some more details on the nature of these unit tests, as I don'= ;t
> understand what you mean by 'conflicting names'. =C2=A0Can eac= h unit test
> be compiled as a separate unikernel (so it'll work on Xen) via som= e
> config.ml code?
>
> -anil
>
> _______________________________________________
> MirageOS-devel mailing list
> MirageOS-devel@= lists.xenproject.org
> http://lists.xenproject.org/cgi-bin/mailman/lis= tinfo/mirageos-devel


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--047d7bfd0b947bdb9104fdbfc7c3-- --===============6632867947961040683== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6632867947961040683==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:00:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:00:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4og4-000224-FV; Wed, 09 Jul 2014 10:00:40 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4og3-00021z-15 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:00:39 +0000 Received: from [85.158.143.35:40251] by server-3.bemta-4.messagelabs.com id EB/0C-16194-6C21DB35; Wed, 09 Jul 2014 10:00:38 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1404900034!16785911!1 X-Originating-IP: [209.85.192.172] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15624 invoked from network); 9 Jul 2014 10:00:36 -0000 Received: from mail-pd0-f172.google.com (HELO mail-pd0-f172.google.com) (209.85.192.172) by server-15.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:00:36 -0000 Received: by mail-pd0-f172.google.com with SMTP id w10so8811654pde.3 for ; Wed, 09 Jul 2014 03:00:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=UcNhElUThHuJC7DlNBCybz0oaBSFwb82evrjtSvOq+M=; b=dkvajug0pF/eGahI8dtMkmw5i5LlAH15JqLqk5Tk17Q4Uwt44YASXbWPPjs1SUJxYm FG12TEH+zXJ4foodLLQ0oKGM+9WG32QIaOnaowGAlqlAfO72FwKZDz5LXOkC3sNUeuan /bGuD88MaffcIHwcqVLOwootja8Gzioj9FlfU/8J2zlkQBYW1yUoywV76byq1g7qfHWe m4hcokKPWl7YW5lR/oFQKfUSi1fNIGqzWWy7cN5iS+wW3rKjXC+XCJ5JeR6TCAthb/ll cyLUHQqMB8SBzIHyjfLfj1GVrdMmOPeVZGjg1b9srFNsIX+MtzBmA0CMcQat+LtfY2Iy a6FA== MIME-Version: 1.0 X-Received: by 10.70.33.2 with SMTP id n2mr10186267pdi.37.1404900034204; Wed, 09 Jul 2014 03:00:34 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Wed, 9 Jul 2014 03:00:34 -0700 (PDT) In-Reply-To: <25D27A07-7C84-499A-9FEA-5959888693B2@citrix.com> References: <25D27A07-7C84-499A-9FEA-5959888693B2@citrix.com> Date: Wed, 9 Jul 2014 11:00:34 +0100 Message-ID: From: David Scott To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6632867947961040683==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6632867947961040683== Content-Type: multipart/alternative; boundary=047d7bfd0b947bdb9104fdbfc7c3 --047d7bfd0b947bdb9104fdbfc7c3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Wed, Jul 9, 2014 at 9:32 AM, Dave Scott wrote: > > On 8 Jul 2014, at 23:46, Anil Madhavapeddy wrote: > > > On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > > > >> I'm writing a test Mirage service for queuing files. It's not using > >> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > >> > >> Some problems I found: > >> > >> 1. Running as a --unix process, I initially got a download speed of > >> 230 KB/s. Increasing the size of the chunks I was reading from the Fat > >> filesystem (a disk.img file) from 512 bytes to 1MB, I was able to > >> increase this to 3 MB/s. Both seem rather low. Apache on the same > >> machine gets 615 MB/s! > > > > Yep, this is expected, since we explicitly don't have a buffer cache > > in the way and so everything you're doing is hitting the disk (and > > going through a not-very-optimized FAT implementation into the bargain)= . > > > > The plan here is to define a buffer cache that's a functor over FS, > > and then apply it in config.ml (perhaps through a helper library > function). > > A functor over FS or over BLOCK should work. > > > >> I tried reproducing it with mirage-skeleton/static_website, but it > >> didn't want to know: > >> > >> $ git clone https://github.com/mirage/mirage-skeleton.git > >> $ cd mirage-skeleton/static_website > >> $ FS=3Dfat NET=3Dsocket mirage configure --unix > >> > >> [ note: my actual test file is not all zeros, but for this email... ] > >> > >> $ dd if=3D/dev/zero of=3Dhtdocs/data bs=3D1024 count=3D2 > >> $ ./make-fat1-image.sh > >> $ make > >> $ ./mir-www > >> Manager: connect > >> Manager: configuring > >> Manager: socket config currently ignored (TODO) > >> Fatal error: exception Failure("fat2") > > > > That's not a helpful error... any ideas ThomasG/Dave? > > Unfortunately we don=E2=80=99t have pretty-printing of our mirage-types e= rrors. > This failure comes from the mirage autogen code: > > ``` > (* Generated by Mirage (Wed, 9 Jul 2014 08:27:05 GMT). *) > =E2=80=A6 > > module Fat2 =3D Fat.Fs.Make(Block)(Io_page) > > let fat2 () =3D > block1 () >>=3D function > | `Error _ -> fail (Failure "fat2") > | `Ok dev -> Fat2.connect dev > ``` > > Perhaps we should add =E2=80=9Cwith sexp=E2=80=9D to all our mirage-types= errors, and then > mirage could autogen calls to the right printer? > I've added this to the list on https://github.com/mirage/mirage/issues/203 It's a shame the error types are defined in the module signatures rather than in modules, because it means we can't add 'with sexp' immediately without requiring the implementations to all say 'with sexp' too. Now is probably a good time to fork the V1 signatures and create the V2 versions and start applying the changes. Since we've cunningly named our existing module types V1 and V1_LWT we should be able to create V2 and V2_LWT in parallel. Perhaps we should add version suffixes to the implementation modules too (Fat_V1; Fat_V2) so we could install in parallel? For things like FAT and BLOCK it would be relatively easy to share most of the implementation code and support both interfaces via small shims. Dave > The failure might be that the disk is too small (2048 bytes?) I never > implemented FAT12 so it=E2=80=99s good to go for larger disk sizes (16MiB= +) > > > > >> 2. To be able to use the FS inferface, I had to specialise it like thi= s: > >> > >> module type FS =3D V1_LWT.FS with > >> type page_aligned_buffer =3D Cstruct.t and > >> type block_device_error =3D Fat.Fs.block_error > > > > Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitely > > a bug: > > > > (** FS *) > > module type FS =3D FS > > with type 'a io =3D 'a Lwt.t > > > > (all the other definitions override it). Could you file a bug about > > this? Best fixed in the 2.x branch. > > > >> This means my unikernel only works with Fat. If I don't do this, I > >> can't report or log error messages. I guess this is also why the test > >> above gave such a useless error. Are there any plans to make error > >> handling easier? > > > > Dave, what are your thoughts on this? That is indeed a distinctly > > abstract-looking block device error :-) > > I still find the error handling a bit awkward, particularly when you have > layered devices and have wrapped errors. I think pretty-printing will > definitely help though! > > Cheers, > Dave > > > > >> 3. In my tags file, I use: > >> > >> not : warn(A) > >> > >> Would be nice if the generated main.ml compiled without warnings (this > >> might be related to the previous point, as it's the error details that > >> it is ignoring). > > > > Worth filing a bug for this too. > > > >> 4. Can I get mirage to generate a Makefile that builds and runs my > >> unit-tests? I guess I can't run the unit-tests when in --xen mode, > >> because some modules have conflicting names, but it would be nice in > >> --unix mode at least. > > > > Need some more details on the nature of these unit tests, as I don't > > understand what you mean by 'conflicting names'. Can each unit test > > be compiled as a separate unikernel (so it'll work on Xen) via some > > config.ml code? > > > > -anil > > > > _______________________________________________ > > MirageOS-devel mailing list > > MirageOS-devel@lists.xenproject.org > > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --=20 Dave Scott --047d7bfd0b947bdb9104fdbfc7c3 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable



On Wed, Jul 9, 2014 at 9:32 AM, Dave Scott <Dave.Scott@citrix.= com> wrote:

On 8 Jul 2014, at 23:46, Anil Madhavapeddy <anil@recoil.org> wrote:

> On 7 Jul 2014, at 10:08, Thomas Leonard <talex5@gmail.com> wrote:
>
>> I'm writing a test Mirage service for queuing files. It's = not using
>> ThomasG's merge-queues - I'm just trying the low-level FS = stuff first.
>>
>> Some problems I found:
>>
>> 1. Running as a --unix process, I initially got a download speed o= f
>> 230 KB/s. Increasing the size of the chunks I was reading from the= Fat
>> filesystem (a disk.img file) from 512 bytes to 1MB, I was able to<= br> >> increase this to 3 MB/s. Both seem rather low. Apache on the same<= br> >> machine gets 615 MB/s!
>
> Yep, this is expected, since we explicitly don't have a buffer cac= he
> in the way and so everything you're doing is hitting the disk (and=
> going through a not-very-optimized FAT implementation into the bargain= ).
>
> The plan here is to define a buffer cache that's a functor over FS= ,
> and then apply it in co= nfig.ml (perhaps through a helper library function).

A functor over FS or over BLOCK should work.


>> I tried reproducing it with mirage-skeleton/static_website, but it=
>> didn't want to know:
>>
>> $ git clone https://github.com/mirage/mirage-skeleton.git
>> $ cd mirage-skeleton/static_website
>> $ FS=3Dfat NET=3Dsocket mirage configure --unix
>>
>> [ note: my actual test file is not all zeros, but for this email..= . ]
>>
>> $ dd if=3D/dev/zero of=3Dhtdocs/data bs=3D1024 count=3D2
>> $ ./make-fat1-image.sh
>> $ make
>> $ ./mir-www
>> Manager: connect
>> Manager: configuring
>> Manager: socket config currently ignored (TODO)
>> Fatal error: exception Failure("fat2")
>
> That's not a helpful error... any ideas ThomasG/Dave?

Unfortunately we don=E2=80=99t have pretty-printing of our mirage-typ= es errors. This failure comes from the mirage autogen code:

```
(* Generated by Mirage (Wed, 9 Jul 2014 08:27:05 GMT). *)
=E2=80=A6

module Fat2 =3D Fat.Fs.Make(Block)(Io_page)

let fat2 () =3D
=C2=A0 block1 () >>=3D function
=C2=A0 | `Error _ -> fail (Failure "fat2")
=C2=A0 | `Ok dev =C2=A0-> Fat2.connect dev
```

Perhaps we should add =E2=80=9Cwith sexp=E2=80=9D to all our mirage-types e= rrors, and then mirage could autogen calls to the right printer?

I've added this to the list on https://github.com/mirage/mirage/= issues/203

It's a shame the error types are defined in the mod= ule signatures rather than in modules, because it means we can't add &#= 39;with sexp' immediately without requiring the implementations to all = say 'with sexp' too.

Now is probably a good time to fork the V1 signatures a= nd create the V2 versions and start applying the changes. Since we've c= unningly named our existing module types V1 and V1_LWT we should be able to= create V2 and V2_LWT in parallel.

Perhaps we should add version suffixes to the implement= ation modules too (Fat_V1; Fat_V2) so we could install in parallel? For thi= ngs like FAT and BLOCK it would be relatively easy to share most of the imp= lementation code and support both interfaces via small shims.

Dave


The failure might be that the disk is too small (2048 bytes?) I never imple= mented FAT12 so it=E2=80=99s good to go for larger disk sizes (16MiB+)

>
>> 2. To be able to use the FS inferface, I had to specialise it like= this:
>>
>> module type FS =3D V1_LWT.FS with
>> type page_aligned_buffer =3D Cstruct.t and
>> type block_device_error =3D Fat.Fs.block_error
>
> Ugh, the page_aligned_buffer remaining abstract in V1_LWT is definitel= y
> a bug:
>
> (** FS *)
> module type FS =3D FS
> =C2=A0with type 'a io =3D 'a Lwt.t
>
> (all the other definitions override it). =C2=A0Could you file a bug ab= out
> this? =C2=A0Best fixed in the 2.x branch.
>
>> This means my unikernel only works with Fat. If I don't do thi= s, I
>> can't report or log error messages. I guess this is also why t= he test
>> above gave such a useless error. Are there any plans to make error=
>> handling easier?
>
> Dave, what are your thoughts on this? =C2=A0That is indeed a distinctl= y
> abstract-looking block device error :-)

I still find the error handling a bit awkward, particularly when you = have layered devices and have wrapped errors. I think pretty-printing will = definitely help though!

Cheers,
Dave

>
>> 3. In my tags file, I use:
>>
>> not <main.*>: warn(A)
>>
>> Would be nice if the generated main.ml compiled without warnings (this
>> might be related to the previous point, as it's the error deta= ils that
>> it is ignoring).
>
> Worth filing a bug for this too.
>
>> 4. Can I get mirage to generate a Makefile that builds and runs my=
>> unit-tests? I guess I can't run the unit-tests when in --xen m= ode,
>> because some modules have conflicting names, but it would be nice = in
>> --unix mode at least.
>
> Need some more details on the nature of these unit tests, as I don'= ;t
> understand what you mean by 'conflicting names'. =C2=A0Can eac= h unit test
> be compiled as a separate unikernel (so it'll work on Xen) via som= e
> config.ml code?
>
> -anil
>
> _______________________________________________
> MirageOS-devel mailing list
> MirageOS-devel@= lists.xenproject.org
> http://lists.xenproject.org/cgi-bin/mailman/lis= tinfo/mirageos-devel


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--047d7bfd0b947bdb9104fdbfc7c3-- --===============6632867947961040683== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6632867947961040683==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:35:14 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:35:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pDU-00030w-Uc; Wed, 09 Jul 2014 10:35:12 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pDT-00030e-1N for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:35:11 +0000 Received: from [85.158.143.35:17175] by server-2.bemta-4.messagelabs.com id D2/80-18579-EDA1DB35; Wed, 09 Jul 2014 10:35:10 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1404902109!16471974!1 X-Originating-IP: [209.85.212.181] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14618 invoked from network); 9 Jul 2014 10:35:09 -0000 Received: from mail-wi0-f181.google.com (HELO mail-wi0-f181.google.com) (209.85.212.181) by server-3.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:35:09 -0000 Received: by mail-wi0-f181.google.com with SMTP id n3so2479969wiv.14 for ; Wed, 09 Jul 2014 03:35:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=cqhJstBFcMkeoWtdA1LrmHLl+/dVUqK75f1Ddy+Er7k=; b=JMOiyD6tgYeQAGTXLL/6xRGglAXJhPtcFrB5g9Hz3M7evnopesa+fYP7u1BurGa6DE erahD4qBtVPzQdy/7ziJLYluc6hWpAvR+n3Ss7TEU4mnMewk2nuLYw0xyv9snARqLxBz Tt/DkMo1xobikL3fSO4evAmLwbIGMiFggsgiQlh/QOxBsmUBuYgaKKsY6zOTY5D6rc6r PlTKO8QQhUjfH/LHNYgYU3iB8KHzh29y5XQwVhVJp16F7ByDvnvVTvN4NN32W9KOqY9Q 10/4WgtbV9+0DzxjISvoH/9a0qNPgkrwmfjf27PjtwPK6IxIaocOorLG+pGCffuqwucZ NWZA== X-Received: by 10.194.110.161 with SMTP id ib1mr2346731wjb.129.1404902109057; Wed, 09 Jul 2014 03:35:09 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id o9sm17799978wib.22.2014.07.09.03.35.07 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 03:35:08 -0700 (PDT) Message-ID: <53BD1AD8.9040802@xen.org> Date: Wed, 09 Jul 2014 11:35:04 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Anil Madhavapeddy References: <53B28517.9020807@xen.org> <75D6B875-6AF4-4176-B530-447D47B2A18A@recoil.org> In-Reply-To: <75D6B875-6AF4-4176-B530-447D47B2A18A@recoil.org> Cc: "xen-api@lists.xen.org" , Artem Mygaiev , Alex Agizim , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Anil, thank you for the feedback. I will need to let Artem and Alex answer your questions. I merely copied and pasted these from a document Regards Lars On 01/07/2014 14:56, Anil Madhavapeddy wrote: > On 1 Jul 2014, at 12:53, Lars Kurth wrote: >> Hi all, >> >> the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) is now open for community review. Please provide feedback by replying to this thread or using the Comment feature (see http://wiki.xenproject.org/wiki/Template:Comment) using "{{comment|~~~~}} My comment" on the relevant section of the wiki page. > Looks great! A few comments: > > - "pv_fb driver provide audio driver back- " => audio should be "framebuffer" > > - Several of the drivers overlap with existing front/back drivers (for example, the pv_usb one). Is there a plan to merge these, or at least document the differences between QNX and the Linux/BSD versions of the relevant ring protocols? > > - Not sure why the pv_gpu drivers has a "lnx-alsa-be/" entry in the drivers. Might be a c&p error. > > cheers, > ANil > >> I extended the deadline by a few days, to account for the 4th of July holidays/vacation in the USA >> >> Best Regards >> Lars >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xen.org >> http://lists.xen.org/xen-devel >> _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:35:14 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:35:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pDU-00030w-Uc; Wed, 09 Jul 2014 10:35:12 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pDT-00030e-1N for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:35:11 +0000 Received: from [85.158.143.35:17175] by server-2.bemta-4.messagelabs.com id D2/80-18579-EDA1DB35; Wed, 09 Jul 2014 10:35:10 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1404902109!16471974!1 X-Originating-IP: [209.85.212.181] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14618 invoked from network); 9 Jul 2014 10:35:09 -0000 Received: from mail-wi0-f181.google.com (HELO mail-wi0-f181.google.com) (209.85.212.181) by server-3.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:35:09 -0000 Received: by mail-wi0-f181.google.com with SMTP id n3so2479969wiv.14 for ; Wed, 09 Jul 2014 03:35:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=cqhJstBFcMkeoWtdA1LrmHLl+/dVUqK75f1Ddy+Er7k=; b=JMOiyD6tgYeQAGTXLL/6xRGglAXJhPtcFrB5g9Hz3M7evnopesa+fYP7u1BurGa6DE erahD4qBtVPzQdy/7ziJLYluc6hWpAvR+n3Ss7TEU4mnMewk2nuLYw0xyv9snARqLxBz Tt/DkMo1xobikL3fSO4evAmLwbIGMiFggsgiQlh/QOxBsmUBuYgaKKsY6zOTY5D6rc6r PlTKO8QQhUjfH/LHNYgYU3iB8KHzh29y5XQwVhVJp16F7ByDvnvVTvN4NN32W9KOqY9Q 10/4WgtbV9+0DzxjISvoH/9a0qNPgkrwmfjf27PjtwPK6IxIaocOorLG+pGCffuqwucZ NWZA== X-Received: by 10.194.110.161 with SMTP id ib1mr2346731wjb.129.1404902109057; Wed, 09 Jul 2014 03:35:09 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id o9sm17799978wib.22.2014.07.09.03.35.07 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 03:35:08 -0700 (PDT) Message-ID: <53BD1AD8.9040802@xen.org> Date: Wed, 09 Jul 2014 11:35:04 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Anil Madhavapeddy References: <53B28517.9020807@xen.org> <75D6B875-6AF4-4176-B530-447D47B2A18A@recoil.org> In-Reply-To: <75D6B875-6AF4-4176-B530-447D47B2A18A@recoil.org> Cc: "xen-api@lists.xen.org" , Artem Mygaiev , Alex Agizim , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Anil, thank you for the feedback. I will need to let Artem and Alex answer your questions. I merely copied and pasted these from a document Regards Lars On 01/07/2014 14:56, Anil Madhavapeddy wrote: > On 1 Jul 2014, at 12:53, Lars Kurth wrote: >> Hi all, >> >> the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) is now open for community review. Please provide feedback by replying to this thread or using the Comment feature (see http://wiki.xenproject.org/wiki/Template:Comment) using "{{comment|~~~~}} My comment" on the relevant section of the wiki page. > Looks great! A few comments: > > - "pv_fb driver provide audio driver back- " => audio should be "framebuffer" > > - Several of the drivers overlap with existing front/back drivers (for example, the pv_usb one). Is there a plan to merge these, or at least document the differences between QNX and the Linux/BSD versions of the relevant ring protocols? > > - Not sure why the pv_gpu drivers has a "lnx-alsa-be/" entry in the drivers. Might be a c&p error. > > cheers, > ANil > >> I extended the deadline by a few days, to account for the 4th of July holidays/vacation in the USA >> >> Best Regards >> Lars >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xen.org >> http://lists.xen.org/xen-devel >> _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:42:36 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:42:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKd-0003ML-2m; Wed, 09 Jul 2014 10:42:35 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKb-0003MG-UN for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:42:34 +0000 Received: from [193.109.254.147:10393] by server-15.bemta-14.messagelabs.com id 43/1C-11012-99C1DB35; Wed, 09 Jul 2014 10:42:33 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-9.tower-27.messagelabs.com!1404902550!16354481!1 X-Originating-IP: [209.85.220.51] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_20_30, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2354 invoked from network); 9 Jul 2014 10:42:32 -0000 Received: from mail-pa0-f51.google.com (HELO mail-pa0-f51.google.com) (209.85.220.51) by server-9.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:42:32 -0000 Received: by mail-pa0-f51.google.com with SMTP id hz1so9041375pad.38 for ; Wed, 09 Jul 2014 03:42:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=GJDP5vyL0gqUeHFfoYtV6TPVYfKB7EiIX3dlBo7iFwI=; b=U2toJrxfrbnNxXABEmq44ZVmZOXVesbwcOeIikNL818UP80KNrgEiwbv7QpNAgjtg8 +KLuSVGo91EyWeTl57GgPlP861z143li8Kkqq4jHGIeVmoDG5Gpy8j/UEowai8q3ysvG 4LThs5ETTfbXFW4MjuSknFgphTclBBGlA/+9GNf0EVlzD1OeBA7lo8p+nnb9x5M6Se08 CGbnGlZbe/l+yqI+KhTznlVwwkK2epklvTvh6gQ/d0JH30rMXRsSaGcrSB4ofcq6gwG7 Ki9hEPoWgqFVS8RPrIGE9aiFuom3fLx51Ou28x6mSJh6nWRY0NCloUdkDxto66i2lpWU 8qeA== MIME-Version: 1.0 X-Received: by 10.68.229.68 with SMTP id so4mr14988339pbc.110.1404902550441; Wed, 09 Jul 2014 03:42:30 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Wed, 9 Jul 2014 03:42:30 -0700 (PDT) Date: Wed, 9 Jul 2014 11:42:30 +0100 Message-ID: From: David Scott To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] V2 interface updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3222064091322931734==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3222064091322931734== Content-Type: multipart/alternative; boundary=047d7b162fd57695da04fdc05de1 --047d7b162fd57695da04fdc05de1 Content-Type: text/plain; charset=UTF-8 Hi all, Since we want to release soon it's time we made some of the backwards incompatible interface changes. This will affect you! Here's a rough outline of a plan: 1. I'll update and tag mirage/opam-repository so we have a set of known working V1 things. If we need to jump back in time to that for any reason (say to test something or build a quick app) we can use that during the transitionary period. 2. I'll fork mirage/types/V1.mli to mirage/types/V2.mli. If you want to propose a new interface, add it to V2.mli. V1 will be considered deprecated and will be removed later. We can work on each V2 improvement item in parallel: https://github.com/mirage/mirage/issues/203 If you intend to work on an item, edit the issue and add your name. Add a link to the resulting pull requests -- this will help people understand exactly what repos they'll need to 'opam pin' to make a working system. For example, I plan to work on making the CONSOLE signature satisfy FLOW. When I make these changes you'll need to 'opam pin' mirage/mirage and mirage/mirage-console-{unix,xen} together. 3. When we've made enough changes we can make a simultaneous release of the affected components, add the releases in opam *and* add the version constraints on the previous releases all at once. We'll probably need to do a few rounds of this before we're happy with the changes. Does this sound like a reasonable plan? I'll not start pushing changes until later today, so shout if there's a problem of if there's a better way :-) Also: if you know of other potentially beneficial interface changes, now is the time to send an email to the list so we can think about them and discuss. Cheers, -- Dave Scott --047d7b162fd57695da04fdc05de1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi all,

Since we want to release soon i= t's time we made some of the backwards incompatible interface changes. = This will affect you!

Here's a rough outline o= f a plan:

1. I'll update and tag mirage/opam-repository so we= have a set of known working V1 things. If we need to jump back in time to = that for any reason (say to test something or build a quick app) we can use= that during the transitionary period.

2. I'll fork mirage/types/V1.mli to mirage/types/V2= .mli. If you want to propose a new interface, add it to V2.mli. V1 will be = considered deprecated and will be removed later.

We can work on each V2 improvement item in parallel:

https://github.c= om/mirage/mirage/issues/203

If you intend to w= ork on an item, edit the issue and add your name. Add a link to the resulti= ng pull requests -- this will help people understand exactly what repos the= y'll need to 'opam pin' to make a working system. For example, = I plan to work on making the CONSOLE signature satisfy FLOW. When I make th= ese changes you'll need to 'opam pin' mirage/mirage and mirage/= mirage-console-{unix,xen} together.

3. When we've made enough changes we can make a sim= ultaneous release of the affected components, add the releases in opam *and= * add the version constraints on the previous releases all at once.

We'll probably need to do a few rounds of this= before we're happy with the changes.

Does thi= s sound like a reasonable plan? I'll not start pushing changes until la= ter today, so shout if there's a problem of if there's a better way= :-)

Also: if you know of other potentially beneficial inter= face changes, now is the time to send an email to the list so we can think = about them and discuss.

Cheers,
--
Dave S= cott
--047d7b162fd57695da04fdc05de1-- --===============3222064091322931734== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3222064091322931734==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:42:36 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:42:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKd-0003ML-2m; Wed, 09 Jul 2014 10:42:35 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKb-0003MG-UN for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:42:34 +0000 Received: from [193.109.254.147:10393] by server-15.bemta-14.messagelabs.com id 43/1C-11012-99C1DB35; Wed, 09 Jul 2014 10:42:33 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-9.tower-27.messagelabs.com!1404902550!16354481!1 X-Originating-IP: [209.85.220.51] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_20_30, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2354 invoked from network); 9 Jul 2014 10:42:32 -0000 Received: from mail-pa0-f51.google.com (HELO mail-pa0-f51.google.com) (209.85.220.51) by server-9.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:42:32 -0000 Received: by mail-pa0-f51.google.com with SMTP id hz1so9041375pad.38 for ; Wed, 09 Jul 2014 03:42:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=GJDP5vyL0gqUeHFfoYtV6TPVYfKB7EiIX3dlBo7iFwI=; b=U2toJrxfrbnNxXABEmq44ZVmZOXVesbwcOeIikNL818UP80KNrgEiwbv7QpNAgjtg8 +KLuSVGo91EyWeTl57GgPlP861z143li8Kkqq4jHGIeVmoDG5Gpy8j/UEowai8q3ysvG 4LThs5ETTfbXFW4MjuSknFgphTclBBGlA/+9GNf0EVlzD1OeBA7lo8p+nnb9x5M6Se08 CGbnGlZbe/l+yqI+KhTznlVwwkK2epklvTvh6gQ/d0JH30rMXRsSaGcrSB4ofcq6gwG7 Ki9hEPoWgqFVS8RPrIGE9aiFuom3fLx51Ou28x6mSJh6nWRY0NCloUdkDxto66i2lpWU 8qeA== MIME-Version: 1.0 X-Received: by 10.68.229.68 with SMTP id so4mr14988339pbc.110.1404902550441; Wed, 09 Jul 2014 03:42:30 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Wed, 9 Jul 2014 03:42:30 -0700 (PDT) Date: Wed, 9 Jul 2014 11:42:30 +0100 Message-ID: From: David Scott To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] V2 interface updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3222064091322931734==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3222064091322931734== Content-Type: multipart/alternative; boundary=047d7b162fd57695da04fdc05de1 --047d7b162fd57695da04fdc05de1 Content-Type: text/plain; charset=UTF-8 Hi all, Since we want to release soon it's time we made some of the backwards incompatible interface changes. This will affect you! Here's a rough outline of a plan: 1. I'll update and tag mirage/opam-repository so we have a set of known working V1 things. If we need to jump back in time to that for any reason (say to test something or build a quick app) we can use that during the transitionary period. 2. I'll fork mirage/types/V1.mli to mirage/types/V2.mli. If you want to propose a new interface, add it to V2.mli. V1 will be considered deprecated and will be removed later. We can work on each V2 improvement item in parallel: https://github.com/mirage/mirage/issues/203 If you intend to work on an item, edit the issue and add your name. Add a link to the resulting pull requests -- this will help people understand exactly what repos they'll need to 'opam pin' to make a working system. For example, I plan to work on making the CONSOLE signature satisfy FLOW. When I make these changes you'll need to 'opam pin' mirage/mirage and mirage/mirage-console-{unix,xen} together. 3. When we've made enough changes we can make a simultaneous release of the affected components, add the releases in opam *and* add the version constraints on the previous releases all at once. We'll probably need to do a few rounds of this before we're happy with the changes. Does this sound like a reasonable plan? I'll not start pushing changes until later today, so shout if there's a problem of if there's a better way :-) Also: if you know of other potentially beneficial interface changes, now is the time to send an email to the list so we can think about them and discuss. Cheers, -- Dave Scott --047d7b162fd57695da04fdc05de1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi all,

Since we want to release soon i= t's time we made some of the backwards incompatible interface changes. = This will affect you!

Here's a rough outline o= f a plan:

1. I'll update and tag mirage/opam-repository so we= have a set of known working V1 things. If we need to jump back in time to = that for any reason (say to test something or build a quick app) we can use= that during the transitionary period.

2. I'll fork mirage/types/V1.mli to mirage/types/V2= .mli. If you want to propose a new interface, add it to V2.mli. V1 will be = considered deprecated and will be removed later.

We can work on each V2 improvement item in parallel:

https://github.c= om/mirage/mirage/issues/203

If you intend to w= ork on an item, edit the issue and add your name. Add a link to the resulti= ng pull requests -- this will help people understand exactly what repos the= y'll need to 'opam pin' to make a working system. For example, = I plan to work on making the CONSOLE signature satisfy FLOW. When I make th= ese changes you'll need to 'opam pin' mirage/mirage and mirage/= mirage-console-{unix,xen} together.

3. When we've made enough changes we can make a sim= ultaneous release of the affected components, add the releases in opam *and= * add the version constraints on the previous releases all at once.

We'll probably need to do a few rounds of this= before we're happy with the changes.

Does thi= s sound like a reasonable plan? I'll not start pushing changes until la= ter today, so shout if there's a problem of if there's a better way= :-)

Also: if you know of other potentially beneficial inter= face changes, now is the time to send an email to the list so we can think = about them and discuss.

Cheers,
--
Dave S= cott
--047d7b162fd57695da04fdc05de1-- --===============3222064091322931734== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3222064091322931734==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:42:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:42:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKy-0003Na-63; Wed, 09 Jul 2014 10:42:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKx-0003NT-I4 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:42:55 +0000 Received: from [193.109.254.147:18273] by server-3.bemta-14.messagelabs.com id 64/0E-13460-EAC1DB35; Wed, 09 Jul 2014 10:42:54 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1404902573!16360031!1 X-Originating-IP: [66.165.176.63] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni42MyA9PiAzMDYwNDg=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25521 invoked from network); 9 Jul 2014 10:42:54 -0000 Received: from smtp02.citrix.com (HELO SMTP02.CITRIX.COM) (66.165.176.63) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:42:54 -0000 X-IronPort-AV: E=Sophos;i="5.01,630,1400025600"; d="scan'208";a="151184332" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP; 09 Jul 2014 10:42:52 +0000 Received: from kazak.uk.xensource.com (10.80.2.80) by FTLPEX01CL01.citrite.net (10.13.107.78) with Microsoft SMTP Server id 14.3.181.6; Wed, 9 Jul 2014 06:42:52 -0400 Message-ID: <1404902570.16789.3.camel@kazak.uk.xensource.com> From: Ian Campbell To: Date: Wed, 9 Jul 2014 11:42:50 +0100 In-Reply-To: <53B28517.9020807@xen.org> References: <53B28517.9020807@xen.org> Organization: Citrix Systems, Inc. X-Mailer: Evolution 3.12.2-1 MIME-Version: 1.0 X-Originating-IP: [10.80.2.80] X-DLP: MIA2 Cc: "xen-api@lists.xen.org" , Artem Mygaiev , Alex Agizim , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, 2014-07-01 at 10:53 +0100, Lars Kurth wrote: > Hi all, > > the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see > http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) > is now open for community review. Please provide feedback by replying to > this thread I think you should avoid the word "staging" entirely in this document. A staging tree in Xen terminology is something completely different to how you use it here: it's the tree where the committers push things which serves as the input to our automated test. How about "development" tree? Or just avoid them altogether by using the individual developer's own trees and the lists. WRT xen-devel being busy and the subproject's own lists, it might be wise to have upstream exposure from early on, which would imply ccing xen-devel/lkml etc in addition to the subproject list. Otherwise you get into the issue where the subproject has accepted something (perhaps into a "staging" tree) but when it gets sent upstream it requires major reworking (and the developer is long gone, etc etc). Whether that needs to be part of the charter though I don't know. More minor thoughts: "it is likely and desirable that the project may be useful for other" I'm not sure if this sentence has the end missing or if you intended other to be "others". "Part of the reason for this is that some of the hardware to test is also not yet available to open source communities." This is not (and should not be) a barrier to sending patches to the right place. We have reviewed and accepted plenty of patches for which we have no access to the h/w. "To build these drivers, the QNX GNU libc variant is used (licensed under GPL)." Not LGPL? QNX using GPL for it's libc seems like an odd choice for them, since it requires anything linking against it to be GPL compatible. I suspect this a typo. "Must have OSI approved licenses that are required to link with and usage the drivers within the native OS." I can't parse this sentence. I think s/usage/use might be what was meant but I'm not sure. "upstreamns" Typo WRT graduation -- can we include a requirement that any "staging" trees have been retired (e.g. merged upstream or otherwise obsolete). Ian. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 10:42:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 10:42:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKy-0003Na-63; Wed, 09 Jul 2014 10:42:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4pKx-0003NT-I4 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 10:42:55 +0000 Received: from [193.109.254.147:18273] by server-3.bemta-14.messagelabs.com id 64/0E-13460-EAC1DB35; Wed, 09 Jul 2014 10:42:54 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1404902573!16360031!1 X-Originating-IP: [66.165.176.63] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni42MyA9PiAzMDYwNDg=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25521 invoked from network); 9 Jul 2014 10:42:54 -0000 Received: from smtp02.citrix.com (HELO SMTP02.CITRIX.COM) (66.165.176.63) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 10:42:54 -0000 X-IronPort-AV: E=Sophos;i="5.01,630,1400025600"; d="scan'208";a="151184332" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP; 09 Jul 2014 10:42:52 +0000 Received: from kazak.uk.xensource.com (10.80.2.80) by FTLPEX01CL01.citrite.net (10.13.107.78) with Microsoft SMTP Server id 14.3.181.6; Wed, 9 Jul 2014 06:42:52 -0400 Message-ID: <1404902570.16789.3.camel@kazak.uk.xensource.com> From: Ian Campbell To: Date: Wed, 9 Jul 2014 11:42:50 +0100 In-Reply-To: <53B28517.9020807@xen.org> References: <53B28517.9020807@xen.org> Organization: Citrix Systems, Inc. X-Mailer: Evolution 3.12.2-1 MIME-Version: 1.0 X-Originating-IP: [10.80.2.80] X-DLP: MIA2 Cc: "xen-api@lists.xen.org" , Artem Mygaiev , Alex Agizim , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, 2014-07-01 at 10:53 +0100, Lars Kurth wrote: > Hi all, > > the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see > http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) > is now open for community review. Please provide feedback by replying to > this thread I think you should avoid the word "staging" entirely in this document. A staging tree in Xen terminology is something completely different to how you use it here: it's the tree where the committers push things which serves as the input to our automated test. How about "development" tree? Or just avoid them altogether by using the individual developer's own trees and the lists. WRT xen-devel being busy and the subproject's own lists, it might be wise to have upstream exposure from early on, which would imply ccing xen-devel/lkml etc in addition to the subproject list. Otherwise you get into the issue where the subproject has accepted something (perhaps into a "staging" tree) but when it gets sent upstream it requires major reworking (and the developer is long gone, etc etc). Whether that needs to be part of the charter though I don't know. More minor thoughts: "it is likely and desirable that the project may be useful for other" I'm not sure if this sentence has the end missing or if you intended other to be "others". "Part of the reason for this is that some of the hardware to test is also not yet available to open source communities." This is not (and should not be) a barrier to sending patches to the right place. We have reviewed and accepted plenty of patches for which we have no access to the h/w. "To build these drivers, the QNX GNU libc variant is used (licensed under GPL)." Not LGPL? QNX using GPL for it's libc seems like an odd choice for them, since it requires anything linking against it to be GPL compatible. I suspect this a typo. "Must have OSI approved licenses that are required to link with and usage the drivers within the native OS." I can't parse this sentence. I think s/usage/use might be what was meant but I'm not sure. "upstreamns" Typo WRT graduation -- can we include a requirement that any "staging" trees have been retired (e.g. merged upstream or otherwise obsolete). Ian. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 11:28:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 11:28:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4q34-0004Zd-RG; Wed, 09 Jul 2014 11:28:30 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4q33-0004Yd-E7 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 11:28:29 +0000 Received: from [85.158.139.211:42289] by server-12.bemta-5.messagelabs.com id D3/BC-27841-C572DB35; Wed, 09 Jul 2014 11:28:28 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1404905305!14494363!1 X-Originating-IP: [74.125.82.46] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11824 invoked from network); 9 Jul 2014 11:28:25 -0000 Received: from mail-wg0-f46.google.com (HELO mail-wg0-f46.google.com) (74.125.82.46) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 11:28:25 -0000 Received: by mail-wg0-f46.google.com with SMTP id m15so1939755wgh.5 for ; Wed, 09 Jul 2014 04:28:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type; bh=CfwbrO7QZ/LyanoguzONsY35npUBFO05s/qFPwP2M5M=; b=muzoqpWLZ9XVjxI6piw0/CeajfL+T/iLjfifqzOoBvnatuk+//BrPLoa9Ad4o0oLg4 kHiXwU7liPGiGjt//qInNhOEInCf9rWGIfzHmloB0VOqGT+gpwx5ZposuakHtRsY5q/Q UfItx2XSr8dICs0ugCygEvIlThBU4+Gf4D/QkET+Zq877QabdOQhx0a2LhlNcHwHzA2h dxruHOmtT6aHs0mO7LsC2cMIrlpqz3LCRgvDcjqfEzJnYLgFh+rRvdneaiumZ4SXJ9OC bZad8p6wee+UrQCV0bnhL7X9kXJTF6zI9KtZ4sNR85T1ETv1DGhJtF1Keg07k9xs7g9B Zi7w== X-Received: by 10.180.210.165 with SMTP id mv5mr10824733wic.70.1404905305207; Wed, 09 Jul 2014 04:28:25 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id i12sm102770733wjr.32.2014.07.09.04.28.23 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 04:28:24 -0700 (PDT) Message-ID: <53BD2756.2070602@xen.org> Date: Wed, 09 Jul 2014 12:28:22 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Ian Campbell References: <53B28517.9020807@xen.org> <1404902570.16789.3.camel@kazak.uk.xensource.com> In-Reply-To: <1404902570.16789.3.camel@kazak.uk.xensource.com> Cc: Artem Mygaiev , "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Andrii Tseglytskyi Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6637943948796247754==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============6637943948796247754== Content-Type: multipart/alternative; boundary="------------050007070204090703070908" This is a multi-part message in MIME format. --------------050007070204090703070908 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 09/07/2014 11:42, Ian Campbell wrote: > On Tue, 2014-07-01 at 10:53 +0100, Lars Kurth wrote: >> Hi all, >> >> the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see >> http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) >> is now open for community review. Please provide feedback by replying to >> this thread > I think you should avoid the word "staging" entirely in this document. > > A staging tree in Xen terminology is something completely different to > how you use it here: it's the tree where the committers push things which > serves as the input to our automated test. How about "development" tree? > Or just avoid them altogether by using the individual developer's own > trees and the lists. Either approach works for me. I replaced "staging" with "development" for now and made it optional. We can leave a final decision open. It shouldn't block the proposal Andrii requested a personal repo, which has not been created yet, but Ian Jackson is doing this as we speak > > WRT xen-devel being busy and the subproject's own lists, it might be > wise to have upstream exposure from early on, which would imply ccing > xen-devel/lkml etc in addition to the subproject list. Otherwise you get > into the issue where the subproject has accepted something (perhaps into > a "staging" tree) but when it gets sent upstream it requires major > reworking (and the developer is long gone, etc etc). Whether that needs > to be part of the charter though I don't know. Agreed. CCing other relevant lists (aka xen-devel/lkml) is common practice and we should just continue doing this. I can stated this in the proposal. > > More minor thoughts: > > "it is likely and desirable that the project may be useful for other" > > I'm not sure if this sentence has the end missing or if you > intended other to be "others". Should read "other use-cases". (fixed) > > "Part of the reason for this is that some of the hardware to test is > also not yet available to open source communities." > > This is not (and should not be) a barrier to sending patches to > the right place. We have reviewed and accepted plenty of patches > for which we have no access to the h/w. You are correct. I deleted this sentence as it doesn't add anything > > "To build these drivers, the QNX GNU libc variant is used (licensed > under GPL)." > > Not LGPL? QNX using GPL for it's libc seems like an odd choice > for them, since it requires anything linking against it to be > GPL compatible. I suspect this a typo. Corrected > > "Must have OSI approved licenses that are required to link with and > usage the drivers within the native OS." > > I can't parse this sentence. I think s/usage/use might be what > was meant but I'm not sure. Fixed. Meant "use" > > "upstreamns" > > Typo Fixed > > WRT graduation -- can we include a requirement that any "staging" trees > have been retired (e.g. merged upstream or otherwise obsolete). Done > > Ian. > --------------050007070204090703070908 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit
On 09/07/2014 11:42, Ian Campbell wrote:
On Tue, 2014-07-01 at 10:53 +0100, Lars Kurth wrote:

Hi all,

the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see 
http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) 
is now open for community review. Please provide feedback by replying to 
this thread

I think you should avoid the word "staging" entirely in this document.

A staging tree in Xen terminology is something completely different to
how you use it here: it's the tree where the committers push things which
serves as the input to our automated test. How about "development" tree?
Or just avoid them altogether by using the individual developer's own
trees and the lists.
Either approach works for me.
I replaced "staging" with "development" for now and made it optional. We can leave a final decision open. It shouldn't block the proposal

Andrii requested a personal repo, which has not been created yet, but Ian Jackson is doing this as we speak


WRT xen-devel being busy and the subproject's own lists, it might be
wise to have upstream exposure from early on, which would imply ccing
xen-devel/lkml etc in addition to the subproject list. Otherwise you get
into the issue where the subproject has accepted something (perhaps into
a "staging" tree) but when it gets sent upstream it requires major
reworking (and the developer is long gone, etc etc). Whether that needs
to be part of the charter though I don't know.
Agreed. CCing other relevant lists (aka xen-devel/lkml) is common practice and we should just continue doing this. I can stated this in the proposal.


More minor thoughts:

"it is likely and desirable that the project may be useful for other"
        
        I'm not sure if this sentence has the end missing or if you
        intended other to be "others".
Should read "other use-cases". (fixed)
 

"Part of the reason for this is that some of the hardware to test is
also not yet available to open source communities."

        This is not (and should not be) a barrier to sending patches to
        the right place. We have reviewed and accepted plenty of patches
        for which we have no access to the h/w.
You are correct. I deleted this sentence as it doesn't add anything 

"To build these drivers, the QNX GNU libc variant is used (licensed
under GPL)."

        Not LGPL? QNX using GPL for it's libc seems like an odd choice
        for them, since it requires anything linking against it to be
        GPL compatible. I suspect this a typo.
Corrected
        
"Must have OSI approved licenses that are required to link with and
usage the drivers within the native OS."

        I can't parse this sentence. I think s/usage/use might be what
        was meant but I'm not sure.
Fixed. Meant "use"

"upstreamns"

        Typo
Fixed

WRT graduation -- can we include a requirement that any "staging" trees
have been retired (e.g. merged upstream or otherwise obsolete).
Done

Ian.

--------------050007070204090703070908-- --===============6637943948796247754== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6637943948796247754==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 11:28:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 11:28:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4q34-0004Zd-RG; Wed, 09 Jul 2014 11:28:30 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4q33-0004Yd-E7 for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 11:28:29 +0000 Received: from [85.158.139.211:42289] by server-12.bemta-5.messagelabs.com id D3/BC-27841-C572DB35; Wed, 09 Jul 2014 11:28:28 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1404905305!14494363!1 X-Originating-IP: [74.125.82.46] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11824 invoked from network); 9 Jul 2014 11:28:25 -0000 Received: from mail-wg0-f46.google.com (HELO mail-wg0-f46.google.com) (74.125.82.46) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 11:28:25 -0000 Received: by mail-wg0-f46.google.com with SMTP id m15so1939755wgh.5 for ; Wed, 09 Jul 2014 04:28:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type; bh=CfwbrO7QZ/LyanoguzONsY35npUBFO05s/qFPwP2M5M=; b=muzoqpWLZ9XVjxI6piw0/CeajfL+T/iLjfifqzOoBvnatuk+//BrPLoa9Ad4o0oLg4 kHiXwU7liPGiGjt//qInNhOEInCf9rWGIfzHmloB0VOqGT+gpwx5ZposuakHtRsY5q/Q UfItx2XSr8dICs0ugCygEvIlThBU4+Gf4D/QkET+Zq877QabdOQhx0a2LhlNcHwHzA2h dxruHOmtT6aHs0mO7LsC2cMIrlpqz3LCRgvDcjqfEzJnYLgFh+rRvdneaiumZ4SXJ9OC bZad8p6wee+UrQCV0bnhL7X9kXJTF6zI9KtZ4sNR85T1ETv1DGhJtF1Keg07k9xs7g9B Zi7w== X-Received: by 10.180.210.165 with SMTP id mv5mr10824733wic.70.1404905305207; Wed, 09 Jul 2014 04:28:25 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id i12sm102770733wjr.32.2014.07.09.04.28.23 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 04:28:24 -0700 (PDT) Message-ID: <53BD2756.2070602@xen.org> Date: Wed, 09 Jul 2014 12:28:22 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Ian Campbell References: <53B28517.9020807@xen.org> <1404902570.16789.3.camel@kazak.uk.xensource.com> In-Reply-To: <1404902570.16789.3.camel@kazak.uk.xensource.com> Cc: Artem Mygaiev , "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Andrii Tseglytskyi Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6637943948796247754==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============6637943948796247754== Content-Type: multipart/alternative; boundary="------------050007070204090703070908" This is a multi-part message in MIME format. --------------050007070204090703070908 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 09/07/2014 11:42, Ian Campbell wrote: > On Tue, 2014-07-01 at 10:53 +0100, Lars Kurth wrote: >> Hi all, >> >> the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see >> http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) >> is now open for community review. Please provide feedback by replying to >> this thread > I think you should avoid the word "staging" entirely in this document. > > A staging tree in Xen terminology is something completely different to > how you use it here: it's the tree where the committers push things which > serves as the input to our automated test. How about "development" tree? > Or just avoid them altogether by using the individual developer's own > trees and the lists. Either approach works for me. I replaced "staging" with "development" for now and made it optional. We can leave a final decision open. It shouldn't block the proposal Andrii requested a personal repo, which has not been created yet, but Ian Jackson is doing this as we speak > > WRT xen-devel being busy and the subproject's own lists, it might be > wise to have upstream exposure from early on, which would imply ccing > xen-devel/lkml etc in addition to the subproject list. Otherwise you get > into the issue where the subproject has accepted something (perhaps into > a "staging" tree) but when it gets sent upstream it requires major > reworking (and the developer is long gone, etc etc). Whether that needs > to be part of the charter though I don't know. Agreed. CCing other relevant lists (aka xen-devel/lkml) is common practice and we should just continue doing this. I can stated this in the proposal. > > More minor thoughts: > > "it is likely and desirable that the project may be useful for other" > > I'm not sure if this sentence has the end missing or if you > intended other to be "others". Should read "other use-cases". (fixed) > > "Part of the reason for this is that some of the hardware to test is > also not yet available to open source communities." > > This is not (and should not be) a barrier to sending patches to > the right place. We have reviewed and accepted plenty of patches > for which we have no access to the h/w. You are correct. I deleted this sentence as it doesn't add anything > > "To build these drivers, the QNX GNU libc variant is used (licensed > under GPL)." > > Not LGPL? QNX using GPL for it's libc seems like an odd choice > for them, since it requires anything linking against it to be > GPL compatible. I suspect this a typo. Corrected > > "Must have OSI approved licenses that are required to link with and > usage the drivers within the native OS." > > I can't parse this sentence. I think s/usage/use might be what > was meant but I'm not sure. Fixed. Meant "use" > > "upstreamns" > > Typo Fixed > > WRT graduation -- can we include a requirement that any "staging" trees > have been retired (e.g. merged upstream or otherwise obsolete). Done > > Ian. > --------------050007070204090703070908 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit
On 09/07/2014 11:42, Ian Campbell wrote:
On Tue, 2014-07-01 at 10:53 +0100, Lars Kurth wrote:

Hi all,

the "Embedded and Automotive PV Drivers Sub-Project Proposal" (see 
http://wiki.xenproject.org/wiki/Embedded_and_Automotive_PV_Drivers_Project_Proposal) 
is now open for community review. Please provide feedback by replying to 
this thread

I think you should avoid the word "staging" entirely in this document.

A staging tree in Xen terminology is something completely different to
how you use it here: it's the tree where the committers push things which
serves as the input to our automated test. How about "development" tree?
Or just avoid them altogether by using the individual developer's own
trees and the lists.
Either approach works for me.
I replaced "staging" with "development" for now and made it optional. We can leave a final decision open. It shouldn't block the proposal

Andrii requested a personal repo, which has not been created yet, but Ian Jackson is doing this as we speak


WRT xen-devel being busy and the subproject's own lists, it might be
wise to have upstream exposure from early on, which would imply ccing
xen-devel/lkml etc in addition to the subproject list. Otherwise you get
into the issue where the subproject has accepted something (perhaps into
a "staging" tree) but when it gets sent upstream it requires major
reworking (and the developer is long gone, etc etc). Whether that needs
to be part of the charter though I don't know.
Agreed. CCing other relevant lists (aka xen-devel/lkml) is common practice and we should just continue doing this. I can stated this in the proposal.


More minor thoughts:

"it is likely and desirable that the project may be useful for other"
        
        I'm not sure if this sentence has the end missing or if you
        intended other to be "others".
Should read "other use-cases". (fixed)
 

"Part of the reason for this is that some of the hardware to test is
also not yet available to open source communities."

        This is not (and should not be) a barrier to sending patches to
        the right place. We have reviewed and accepted plenty of patches
        for which we have no access to the h/w.
You are correct. I deleted this sentence as it doesn't add anything 

"To build these drivers, the QNX GNU libc variant is used (licensed
under GPL)."

        Not LGPL? QNX using GPL for it's libc seems like an odd choice
        for them, since it requires anything linking against it to be
        GPL compatible. I suspect this a typo.
Corrected
        
"Must have OSI approved licenses that are required to link with and
usage the drivers within the native OS."

        I can't parse this sentence. I think s/usage/use might be what
        was meant but I'm not sure.
Fixed. Meant "use"

"upstreamns"

        Typo
Fixed

WRT graduation -- can we include a requirement that any "staging" trees
have been retired (e.g. merged upstream or otherwise obsolete).
Done

Ian.

--------------050007070204090703070908-- --===============6637943948796247754== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6637943948796247754==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 11:46:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 11:46:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4qKt-0005IE-6v; Wed, 09 Jul 2014 11:46:55 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4qKs-0005Hx-DI for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 11:46:54 +0000 Received: from [85.158.137.68:26057] by server-16.bemta-3.messagelabs.com id 3D/5E-28986-DAB2DB35; Wed, 09 Jul 2014 11:46:53 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1404906411!14937987!1 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8884 invoked from network); 9 Jul 2014 11:46:52 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 11:46:52 -0000 X-IronPort-AV: E=Sophos;i="5.01,630,1400025600"; d="scan'208";a="150924619" Received: from accessns.citrite.net (HELO FTLPEX01CL02.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP; 09 Jul 2014 11:46:51 +0000 Received: from kazak.uk.xensource.com (10.80.2.80) by FTLPEX01CL02.citrite.net (10.13.107.79) with Microsoft SMTP Server id 14.3.181.6; Wed, 9 Jul 2014 07:46:49 -0400 Message-ID: <1404906408.16789.14.camel@kazak.uk.xensource.com> From: Ian Campbell To: Date: Wed, 9 Jul 2014 12:46:48 +0100 In-Reply-To: <53BD2756.2070602@xen.org> References: <53B28517.9020807@xen.org> <1404902570.16789.3.camel@kazak.uk.xensource.com> <53BD2756.2070602@xen.org> Organization: Citrix Systems, Inc. X-Mailer: Evolution 3.12.2-1 MIME-Version: 1.0 X-Originating-IP: [10.80.2.80] X-DLP: MIA2 Cc: Artem Mygaiev , "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Andrii Tseglytskyi Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Wed, 2014-07-09 at 12:28 +0100, Lars Kurth wrote: > > > > "To build these drivers, the QNX GNU libc variant is used (licensed > > under GPL)." > > > > Not LGPL? QNX using GPL for it's libc seems like an odd choice > > for them, since it requires anything linking against it to be > > GPL compatible. I suspect this a typo. > Corrected Just to be clear; I've no idea what license the QNX libc is under, it could be GPL for all I know, I was just querying it because it surprised me. (Just want to be sure you didn't assume I know it was LGPL or something) Ian. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 11:46:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 11:46:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4qKt-0005IE-6v; Wed, 09 Jul 2014 11:46:55 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4qKs-0005Hx-DI for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 11:46:54 +0000 Received: from [85.158.137.68:26057] by server-16.bemta-3.messagelabs.com id 3D/5E-28986-DAB2DB35; Wed, 09 Jul 2014 11:46:53 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1404906411!14937987!1 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8884 invoked from network); 9 Jul 2014 11:46:52 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 11:46:52 -0000 X-IronPort-AV: E=Sophos;i="5.01,630,1400025600"; d="scan'208";a="150924619" Received: from accessns.citrite.net (HELO FTLPEX01CL02.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP; 09 Jul 2014 11:46:51 +0000 Received: from kazak.uk.xensource.com (10.80.2.80) by FTLPEX01CL02.citrite.net (10.13.107.79) with Microsoft SMTP Server id 14.3.181.6; Wed, 9 Jul 2014 07:46:49 -0400 Message-ID: <1404906408.16789.14.camel@kazak.uk.xensource.com> From: Ian Campbell To: Date: Wed, 9 Jul 2014 12:46:48 +0100 In-Reply-To: <53BD2756.2070602@xen.org> References: <53B28517.9020807@xen.org> <1404902570.16789.3.camel@kazak.uk.xensource.com> <53BD2756.2070602@xen.org> Organization: Citrix Systems, Inc. X-Mailer: Evolution 3.12.2-1 MIME-Version: 1.0 X-Originating-IP: [10.80.2.80] X-DLP: MIA2 Cc: Artem Mygaiev , "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Andrii Tseglytskyi Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Wed, 2014-07-09 at 12:28 +0100, Lars Kurth wrote: > > > > "To build these drivers, the QNX GNU libc variant is used (licensed > > under GPL)." > > > > Not LGPL? QNX using GPL for it's libc seems like an odd choice > > for them, since it requires anything linking against it to be > > GPL compatible. I suspect this a typo. > Corrected Just to be clear; I've no idea what license the QNX libc is under, it could be GPL for all I know, I was just querying it because it surprised me. (Just want to be sure you didn't assume I know it was LGPL or something) Ian. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 14:24:20 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 14:24:20 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4sn1-0007bS-P2; Wed, 09 Jul 2014 14:24:07 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4sn0-0007bF-FJ for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 14:24:06 +0000 Received: from [193.109.254.147:64194] by server-15.bemta-14.messagelabs.com id 86/18-11012-5805DB35; Wed, 09 Jul 2014 14:24:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1404915845!16441453!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2860 invoked from network); 9 Jul 2014 14:24:05 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-8.tower-27.messagelabs.com with SMTP; 9 Jul 2014 14:24:05 -0000 Received: (qmail 32608 invoked by uid 634); 9 Jul 2014 14:24:04 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from no-dns-yet.demon.co.uk (HELO [192.168.14.150]) (62.49.66.12) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 09 Jul 2014 15:24:04 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <53BD2451.2070207@nottingham.ac.uk> Date: Wed, 9 Jul 2014 15:23:53 +0100 Message-Id: <5F36B3CC-7493-46D4-9A26-918EDE9DD77B@recoil.org> References: <53BD2451.2070207@nottingham.ac.uk> To: Masoud Koleini X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] mirage-net-socket build problem X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi Masoud, You shouldn't be using this library at all -- I suspect your packages are out of date for some reason. Could you tell us what your OCaml version is (`ocamlc -version`), OPAM version is (`opam --version`) and what you're trying to install? Note that `mirage-net` is now called `tcpip` in OPAM in the Mirage 1.1+, so this might just be a case of typing in `opam install tcpip` instead. cheers, Anil On 9 Jul 2014, at 12:15, Masoud Koleini wrote: > Hi Anil, > > I tried to install mirage-net using Opam and also from source, but mirage-net-socket doesn't build properly. I receive the following error: > > File "lib/flow.ml", line 35, characters 11-12: > Parse error: [semi] expected after [str_item] (in [implem]) > Preprocessing error on file lib/flow.ml > Error while running external preprocessor > Command line: camlp4o -I /usr/lib/ocaml -I /usr/lib/ocaml -I /home/pc/.opam/system/lib/sexplib -I /home/pc/.opam/system/lib/ipaddr -I /usr/lib/ocaml -I /home/pc/.opam/system/lib/lwt -I /home/pc/.opam/system/lib/mirage-types -I /home/pc/.opam/system/lib/mirage-types -I /home/pc/.opam/system/lib/mirage -I /usr/lib/ocaml str.cma 'lib/flow.ml' > /tmp/ocamlppaa207d > > Do you know how I can fix this issue? > > Thanks, > Masoud > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 14:24:20 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 14:24:20 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4sn1-0007bS-P2; Wed, 09 Jul 2014 14:24:07 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4sn0-0007bF-FJ for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 14:24:06 +0000 Received: from [193.109.254.147:64194] by server-15.bemta-14.messagelabs.com id 86/18-11012-5805DB35; Wed, 09 Jul 2014 14:24:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1404915845!16441453!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2860 invoked from network); 9 Jul 2014 14:24:05 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-8.tower-27.messagelabs.com with SMTP; 9 Jul 2014 14:24:05 -0000 Received: (qmail 32608 invoked by uid 634); 9 Jul 2014 14:24:04 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from no-dns-yet.demon.co.uk (HELO [192.168.14.150]) (62.49.66.12) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 09 Jul 2014 15:24:04 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <53BD2451.2070207@nottingham.ac.uk> Date: Wed, 9 Jul 2014 15:23:53 +0100 Message-Id: <5F36B3CC-7493-46D4-9A26-918EDE9DD77B@recoil.org> References: <53BD2451.2070207@nottingham.ac.uk> To: Masoud Koleini X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] mirage-net-socket build problem X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi Masoud, You shouldn't be using this library at all -- I suspect your packages are out of date for some reason. Could you tell us what your OCaml version is (`ocamlc -version`), OPAM version is (`opam --version`) and what you're trying to install? Note that `mirage-net` is now called `tcpip` in OPAM in the Mirage 1.1+, so this might just be a case of typing in `opam install tcpip` instead. cheers, Anil On 9 Jul 2014, at 12:15, Masoud Koleini wrote: > Hi Anil, > > I tried to install mirage-net using Opam and also from source, but mirage-net-socket doesn't build properly. I receive the following error: > > File "lib/flow.ml", line 35, characters 11-12: > Parse error: [semi] expected after [str_item] (in [implem]) > Preprocessing error on file lib/flow.ml > Error while running external preprocessor > Command line: camlp4o -I /usr/lib/ocaml -I /usr/lib/ocaml -I /home/pc/.opam/system/lib/sexplib -I /home/pc/.opam/system/lib/ipaddr -I /usr/lib/ocaml -I /home/pc/.opam/system/lib/lwt -I /home/pc/.opam/system/lib/mirage-types -I /home/pc/.opam/system/lib/mirage-types -I /home/pc/.opam/system/lib/mirage -I /usr/lib/ocaml str.cma 'lib/flow.ml' > /tmp/ocamlppaa207d > > Do you know how I can fix this issue? > > Thanks, > Masoud > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 14:25:10 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 14:25:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4so2-0007gT-1y; Wed, 09 Jul 2014 14:25:10 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4so1-0007gJ-9y for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 14:25:09 +0000 Received: from [85.158.139.211:26245] by server-1.bemta-5.messagelabs.com id AD/CF-30932-4C05DB35; Wed, 09 Jul 2014 14:25:08 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1404915906!10416765!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21799 invoked from network); 9 Jul 2014 14:25:07 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 14:25:07 -0000 Received: by mail-oa0-f50.google.com with SMTP id g18so1119363oah.23 for ; Wed, 09 Jul 2014 07:25:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=l2OrVnprEZi8rvlayiCi7JnjiP/EJhsk99y0Uj0ekeU=; b=JoXiCgUOYYnWPuJ1gtMsWkEy7HKeX/mWvLmGAZ8x5Vdi+knxxUsbkjfatiEsIHjetk ljlokfkvgLN5v8Dr6MGjZoZ4HtK6UVe8dpZZ8j6Hsm5kw90ODP1otVgJSQVAJaDYZylt COSirWBjQARgMRm89nRQouwu/gW/D5hs5crT8TEfKLBEQr8oqY8/Oe/cQyVn81CxNGFF A/bYEJzInjbztfHOS+83RHiFFeCMgOgVOUxiijfSOCh8Ne0RGduLiJWaQgBoMmXK1Jju x2RxWdAnHX+uJ2dcXdPxSFs1/d7dILW+uHd5OC4Z0QSAPsE/00Fguv/IJtkX+1vz2Iv4 1NLw== MIME-Version: 1.0 X-Received: by 10.60.133.203 with SMTP id pe11mr47535389oeb.24.1404915906064; Wed, 09 Jul 2014 07:25:06 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 9 Jul 2014 07:25:05 -0700 (PDT) In-Reply-To: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Wed, 9 Jul 2014 15:25:05 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 8 July 2014 10:34, Anil Madhavapeddy wrote: >> On 6 Jul 2014, at 21:02, Thomas Leonard wrote: >>> On 6 July 2014 21:28, Anil Madhavapeddy wrote: >>> Darn, that conflicts with >>> https://github.com/mirage/mirage-platform/pull/94 >>> >>> I think that #94 is actually ready to merge (at the same time as >>> xen-minios) into OPAM. If I do that tomorrow and release it along >>> with Mirage 1.2.0, we can play hunt-the-regression in the runup to >>> the 2.0 release. Anything outstanding on your plate before I do that? >>> >>> Only other thing that would be nice to have is having the checksum >>> stubs compiled as an external library so that they can be moved to >>> tcpip where they belong. >> >> Moving the checksums code to tcpip is easy enough: >> >> https://github.com/talex5/mirage-tcpip/commits/checksum >> >> But how do I get the list of C libraries to add to the linker command >> when building on Xen? Looks like just using -output-obj doesn't do >> this. > > Good question. `ocamlobjinfo` may help: > > $ ocamlobjinfo ~/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma > File /Users/avsm/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma > Force custom: no > Extra C object files: -lnocrypto_stubs > Extra C options: > Extra dynamically-loaded libraries: -lnocrypto_stubs > Unit name: Algo_types > ... > > Could write a custom compiler-libs command to extract just the C object > files, but a sed extraction of the relevant lines should work for now. I've added some code to mirage to do it: https://github.com/mirage/mirage/pull/265 The compiler-libs thing didn't work out, because it too defines a module called Config. With this, it's possible to get the checksum code from the tcpip module after applying this patch: https://github.com/talex5/mirage-tcpip/commits/checksum That works on x86. On ARM, you also need the latest libminios from Git, because the current version accidentally zeroes out any ELF sections it wasn't expecting, such as the .got section you get with relocatable code (I had fun tracking that one down, as you can imagine). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 14:25:10 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 14:25:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4so2-0007gT-1y; Wed, 09 Jul 2014 14:25:10 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4so1-0007gJ-9y for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 14:25:09 +0000 Received: from [85.158.139.211:26245] by server-1.bemta-5.messagelabs.com id AD/CF-30932-4C05DB35; Wed, 09 Jul 2014 14:25:08 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1404915906!10416765!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21799 invoked from network); 9 Jul 2014 14:25:07 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 14:25:07 -0000 Received: by mail-oa0-f50.google.com with SMTP id g18so1119363oah.23 for ; Wed, 09 Jul 2014 07:25:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=l2OrVnprEZi8rvlayiCi7JnjiP/EJhsk99y0Uj0ekeU=; b=JoXiCgUOYYnWPuJ1gtMsWkEy7HKeX/mWvLmGAZ8x5Vdi+knxxUsbkjfatiEsIHjetk ljlokfkvgLN5v8Dr6MGjZoZ4HtK6UVe8dpZZ8j6Hsm5kw90ODP1otVgJSQVAJaDYZylt COSirWBjQARgMRm89nRQouwu/gW/D5hs5crT8TEfKLBEQr8oqY8/Oe/cQyVn81CxNGFF A/bYEJzInjbztfHOS+83RHiFFeCMgOgVOUxiijfSOCh8Ne0RGduLiJWaQgBoMmXK1Jju x2RxWdAnHX+uJ2dcXdPxSFs1/d7dILW+uHd5OC4Z0QSAPsE/00Fguv/IJtkX+1vz2Iv4 1NLw== MIME-Version: 1.0 X-Received: by 10.60.133.203 with SMTP id pe11mr47535389oeb.24.1404915906064; Wed, 09 Jul 2014 07:25:06 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 9 Jul 2014 07:25:05 -0700 (PDT) In-Reply-To: References: <3ED7184A-D3D7-41A3-A07E-3E6E188A4F07@recoil.org> Date: Wed, 9 Jul 2014 15:25:05 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libminios/openlibm support ready for testing X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 8 July 2014 10:34, Anil Madhavapeddy wrote: >> On 6 Jul 2014, at 21:02, Thomas Leonard wrote: >>> On 6 July 2014 21:28, Anil Madhavapeddy wrote: >>> Darn, that conflicts with >>> https://github.com/mirage/mirage-platform/pull/94 >>> >>> I think that #94 is actually ready to merge (at the same time as >>> xen-minios) into OPAM. If I do that tomorrow and release it along >>> with Mirage 1.2.0, we can play hunt-the-regression in the runup to >>> the 2.0 release. Anything outstanding on your plate before I do that? >>> >>> Only other thing that would be nice to have is having the checksum >>> stubs compiled as an external library so that they can be moved to >>> tcpip where they belong. >> >> Moving the checksums code to tcpip is easy enough: >> >> https://github.com/talex5/mirage-tcpip/commits/checksum >> >> But how do I get the list of C libraries to add to the linker command >> when building on Xen? Looks like just using -output-obj doesn't do >> this. > > Good question. `ocamlobjinfo` may help: > > $ ocamlobjinfo ~/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma > File /Users/avsm/src/git/avsm/ocaml-nocrypto/_build/src/nocrypto.cma > Force custom: no > Extra C object files: -lnocrypto_stubs > Extra C options: > Extra dynamically-loaded libraries: -lnocrypto_stubs > Unit name: Algo_types > ... > > Could write a custom compiler-libs command to extract just the C object > files, but a sed extraction of the relevant lines should work for now. I've added some code to mirage to do it: https://github.com/mirage/mirage/pull/265 The compiler-libs thing didn't work out, because it too defines a module called Config. With this, it's possible to get the checksum code from the tcpip module after applying this patch: https://github.com/talex5/mirage-tcpip/commits/checksum That works on x86. On ARM, you also need the latest libminios from Git, because the current version accidentally zeroes out any ELF sections it wasn't expecting, such as the .got section you get with relocatable code (I had fun tracking that one down, as you can imagine). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 15:14:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 15:14:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tZZ-0002Ad-No; Wed, 09 Jul 2014 15:14:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tZY-0002AJ-DC for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 15:14:16 +0000 Received: from [85.158.139.211:47826] by server-17.bemta-5.messagelabs.com id 90/DF-08711-74C5DB35; Wed, 09 Jul 2014 15:14:15 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-14.tower-206.messagelabs.com!1404918855!9187728!1 X-Originating-IP: [74.125.82.41] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20482 invoked from network); 9 Jul 2014 15:14:15 -0000 Received: from mail-wg0-f41.google.com (HELO mail-wg0-f41.google.com) (74.125.82.41) by server-14.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 15:14:15 -0000 Received: by mail-wg0-f41.google.com with SMTP id k14so4969185wgh.24 for ; Wed, 09 Jul 2014 08:14:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to :subject:content-type:content-transfer-encoding; bh=3ey3LshR9w1GjjEJDmQb9uUhMk4xQCEKuW3AQhnQsAg=; b=WcwIZ4LijDDywlxNwksR3H91aKYXCoa+eUkxdDqp4FcGMDozdJLlZown80Kat8G3UU Eoq7Ou9Rhee4N7OiTbo8jYiCKbH6eqx5164xYQAIYzD1nUsVnecTygchaA414En5CCu4 ao73XkofFphEhdgVr0776LovIYDidwioN1CNEvNHV+3MRBFwhULo9rvlMHnTNoArVb53 uOuZUG+LjlnbQFVmdzlhqdkBkP42nWCA32960caKC3hYp7ptpVnnI1KZdAYwQonNE46s e5ek0TKDlpM8Pvzfw0J/7OhRAj8BAxdQ1fzJgF0QSOfvNeZsFryBTZhia7J8qTBWzhzx tT0g== X-Received: by 10.194.158.101 with SMTP id wt5mr3969815wjb.136.1404918854916; Wed, 09 Jul 2014 08:14:14 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id d4sm11782883wiy.13.2014.07.09.08.14.13 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 08:14:14 -0700 (PDT) Message-ID: <53BD5C45.807@xen.org> Date: Wed, 09 Jul 2014 16:14:13 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "xen-devel@lists.xen.org" , "xen-api@lists.xen.org" , "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] [Input Needed] GitDM Config files & privacy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, I was in the process of publishing GitDM including config files in my personal xenbits repository, such that other community members can run contribution stats. However the config files contain email addresses and thus there may be a potential privacy issue. Config files contain * e-mail domain to employer mappings * some e-mail address to employer mappings * email address aliases mappings * email address to name mappings (for acknowledgements) Most of the information in them are public in the first place (i.e. they are available from git logs and mailing lists). I know that open source foundations such as OpenStack publish their GitDM config files and I also found some other ones flying around. But before I publish anything I did want to check whether there are objections. Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 15:14:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 15:14:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tZZ-0002Ad-No; Wed, 09 Jul 2014 15:14:17 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tZY-0002AJ-DC for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 15:14:16 +0000 Received: from [85.158.139.211:47826] by server-17.bemta-5.messagelabs.com id 90/DF-08711-74C5DB35; Wed, 09 Jul 2014 15:14:15 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-14.tower-206.messagelabs.com!1404918855!9187728!1 X-Originating-IP: [74.125.82.41] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20482 invoked from network); 9 Jul 2014 15:14:15 -0000 Received: from mail-wg0-f41.google.com (HELO mail-wg0-f41.google.com) (74.125.82.41) by server-14.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 15:14:15 -0000 Received: by mail-wg0-f41.google.com with SMTP id k14so4969185wgh.24 for ; Wed, 09 Jul 2014 08:14:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to :subject:content-type:content-transfer-encoding; bh=3ey3LshR9w1GjjEJDmQb9uUhMk4xQCEKuW3AQhnQsAg=; b=WcwIZ4LijDDywlxNwksR3H91aKYXCoa+eUkxdDqp4FcGMDozdJLlZown80Kat8G3UU Eoq7Ou9Rhee4N7OiTbo8jYiCKbH6eqx5164xYQAIYzD1nUsVnecTygchaA414En5CCu4 ao73XkofFphEhdgVr0776LovIYDidwioN1CNEvNHV+3MRBFwhULo9rvlMHnTNoArVb53 uOuZUG+LjlnbQFVmdzlhqdkBkP42nWCA32960caKC3hYp7ptpVnnI1KZdAYwQonNE46s e5ek0TKDlpM8Pvzfw0J/7OhRAj8BAxdQ1fzJgF0QSOfvNeZsFryBTZhia7J8qTBWzhzx tT0g== X-Received: by 10.194.158.101 with SMTP id wt5mr3969815wjb.136.1404918854916; Wed, 09 Jul 2014 08:14:14 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id d4sm11782883wiy.13.2014.07.09.08.14.13 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 08:14:14 -0700 (PDT) Message-ID: <53BD5C45.807@xen.org> Date: Wed, 09 Jul 2014 16:14:13 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "xen-devel@lists.xen.org" , "xen-api@lists.xen.org" , "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] [Input Needed] GitDM Config files & privacy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, I was in the process of publishing GitDM including config files in my personal xenbits repository, such that other community members can run contribution stats. However the config files contain email addresses and thus there may be a potential privacy issue. Config files contain * e-mail domain to employer mappings * some e-mail address to employer mappings * email address aliases mappings * email address to name mappings (for acknowledgements) Most of the information in them are public in the first place (i.e. they are available from git logs and mailing lists). I know that open source foundations such as OpenStack publish their GitDM config files and I also found some other ones flying around. But before I publish anything I did want to check whether there are objections. Regards Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 15:21:21 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 15:21:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tgP-0002ls-75; Wed, 09 Jul 2014 15:21:21 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tgO-0002le-5Y for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 15:21:20 +0000 Received: from [193.109.254.147:63586] by server-4.bemta-14.messagelabs.com id A4/63-20586-FED5DB35; Wed, 09 Jul 2014 15:21:19 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-27.messagelabs.com!1404919277!13104140!1 X-Originating-IP: [209.85.214.170] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24709 invoked from network); 9 Jul 2014 15:21:18 -0000 Received: from mail-ob0-f170.google.com (HELO mail-ob0-f170.google.com) (209.85.214.170) by server-11.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 15:21:18 -0000 Received: by mail-ob0-f170.google.com with SMTP id uz6so8312425obc.29 for ; Wed, 09 Jul 2014 08:21:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=gDJWgzn4J4/af0uQs0oif1j/t2f0YyLIvz7uucyHvrI=; b=cYqXB1xqNequPWrV7jAUw7ah19g5dBZ1YegxjdYcE1RfK62VLP+MV4X/frjPXYIr3u 0xJAIYMFsx3otDOm+VjpJIz38/JKk4I0L6d68c9B+10GQdfLE019A8EEcl5Abq703/08 2EgRWgCT/PA7P0kWUQBGfWMVF9nAZn76mfiXBsFN2Zxqxmwaa0dXf4F9Saga/aH5ezEA REolDVwN40+dKYnyywUDZsZrZT9rZFstGddU18OStwwHY/XevpzuQp/X2IDP7PN98rpP 0IImusaHw3Uy6cZtt/avmi8SHQ/zmfkrCugnNivRFwRovH3TKrOwYBvFwC4zQSjBnj3V uVZg== MIME-Version: 1.0 X-Received: by 10.182.200.169 with SMTP id jt9mr48680279obc.0.1404919277212; Wed, 09 Jul 2014 08:21:17 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 9 Jul 2014 08:21:17 -0700 (PDT) In-Reply-To: References: Date: Wed, 9 Jul 2014 16:21:17 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 8 July 2014 23:46, Anil Madhavapeddy wrote: > On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > >> I'm writing a test Mirage service for queuing files. It's not using >> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >> >> Some problems I found: [...] >> 4. Can I get mirage to generate a Makefile that builds and runs my >> unit-tests? I guess I can't run the unit-tests when in --xen mode, >> because some modules have conflicting names, but it would be nice in >> --unix mode at least. > > Need some more details on the nature of these unit tests, as I don't > understand what you mean by 'conflicting names'. Can each unit test > be compiled as a separate unikernel (so it'll work on Xen) via some > config.ml code? I hadn't thought of running the tests on Xen, though that does make sense. I'd need some way for OUnit to run tests that return a unit Lwt.t. Also, it appears that calling register more than once overwrites the previous job, rather than configuring the project to build both (the unikernel and the tests). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 15:21:21 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 15:21:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tgP-0002ls-75; Wed, 09 Jul 2014 15:21:21 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tgO-0002le-5Y for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 15:21:20 +0000 Received: from [193.109.254.147:63586] by server-4.bemta-14.messagelabs.com id A4/63-20586-FED5DB35; Wed, 09 Jul 2014 15:21:19 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-11.tower-27.messagelabs.com!1404919277!13104140!1 X-Originating-IP: [209.85.214.170] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24709 invoked from network); 9 Jul 2014 15:21:18 -0000 Received: from mail-ob0-f170.google.com (HELO mail-ob0-f170.google.com) (209.85.214.170) by server-11.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 15:21:18 -0000 Received: by mail-ob0-f170.google.com with SMTP id uz6so8312425obc.29 for ; Wed, 09 Jul 2014 08:21:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=gDJWgzn4J4/af0uQs0oif1j/t2f0YyLIvz7uucyHvrI=; b=cYqXB1xqNequPWrV7jAUw7ah19g5dBZ1YegxjdYcE1RfK62VLP+MV4X/frjPXYIr3u 0xJAIYMFsx3otDOm+VjpJIz38/JKk4I0L6d68c9B+10GQdfLE019A8EEcl5Abq703/08 2EgRWgCT/PA7P0kWUQBGfWMVF9nAZn76mfiXBsFN2Zxqxmwaa0dXf4F9Saga/aH5ezEA REolDVwN40+dKYnyywUDZsZrZT9rZFstGddU18OStwwHY/XevpzuQp/X2IDP7PN98rpP 0IImusaHw3Uy6cZtt/avmi8SHQ/zmfkrCugnNivRFwRovH3TKrOwYBvFwC4zQSjBnj3V uVZg== MIME-Version: 1.0 X-Received: by 10.182.200.169 with SMTP id jt9mr48680279obc.0.1404919277212; Wed, 09 Jul 2014 08:21:17 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 9 Jul 2014 08:21:17 -0700 (PDT) In-Reply-To: References: Date: Wed, 9 Jul 2014 16:21:17 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 8 July 2014 23:46, Anil Madhavapeddy wrote: > On 7 Jul 2014, at 10:08, Thomas Leonard wrote: > >> I'm writing a test Mirage service for queuing files. It's not using >> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >> >> Some problems I found: [...] >> 4. Can I get mirage to generate a Makefile that builds and runs my >> unit-tests? I guess I can't run the unit-tests when in --xen mode, >> because some modules have conflicting names, but it would be nice in >> --unix mode at least. > > Need some more details on the nature of these unit tests, as I don't > understand what you mean by 'conflicting names'. Can each unit test > be compiled as a separate unikernel (so it'll work on Xen) via some > config.ml code? I hadn't thought of running the tests on Xen, though that does make sense. I'd need some way for OUnit to run tests that return a unit Lwt.t. Also, it appears that calling register more than once overwrites the previous job, rather than configuring the project to build both (the unikernel and the tests). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 15:35:44 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 15:35:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tuI-0003Ra-HW; Wed, 09 Jul 2014 15:35:42 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tuH-0003RV-NW for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 15:35:41 +0000 Received: from [85.158.143.35:33993] by server-3.bemta-4.messagelabs.com id 99/94-16194-D416DB35; Wed, 09 Jul 2014 15:35:41 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-21.messagelabs.com!1404920139!16873661!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26779 invoked from network); 9 Jul 2014 15:35:39 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-5.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 15:35:39 -0000 Received: by mail-wi0-f171.google.com with SMTP id f8so2501779wiw.10 for ; Wed, 09 Jul 2014 08:35:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/NfKkkJeB1Se8xSC7+FV2MqEqL/GLallky5SHKkSutc=; b=LZ4ohEGx99alGPRFJkwzmURlZ6q4dsXXJYJdyiJvFIbYLymUE/7/noXOhTujTEk2+y Znqv7TAAybP3o7TtLe5Xh8VtaWIjL3HSNBRdfIUiXOCLwzPghoGBe4EDFyFElR8MISyq nQkVaD+YtvdSg5oknMjmw30M6bg+pSo2EYuqvKEx0Km1juWdpIONaz8Ov73uk1zT/XDi YRix/S84YqwG0W//FvG1OUET4LKQl5Km3vgm/w5wS4MF1p+U3oCBR3RGfaa/EkGUjHa+ Dm0mNoPVVVWzCLobW7GCfzq9v8F4Y+3sVGwVmk6F0iDmnlCmBQalcISN9Xk9tE3Qnvyu mvLg== X-Received: by 10.194.87.134 with SMTP id ay6mr47380444wjb.84.1404920139112; Wed, 09 Jul 2014 08:35:39 -0700 (PDT) Received: from piana.home (ARennes-654-1-47-31.w81-53.abo.wanadoo.fr. [81.53.174.31]) by mx.google.com with ESMTPSA id ed15sm20640903wic.9.2014.07.09.08.35.37 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 08:35:38 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: Date: Wed, 9 Jul 2014 17:35:36 +0200 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Also, it appears that calling register more than once overwrites the > previous job, rather than configuring the project to build both (the > unikernel and the tests). That's definitely a bug! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 15:35:44 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 15:35:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tuI-0003Ra-HW; Wed, 09 Jul 2014 15:35:42 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4tuH-0003RV-NW for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 15:35:41 +0000 Received: from [85.158.143.35:33993] by server-3.bemta-4.messagelabs.com id 99/94-16194-D416DB35; Wed, 09 Jul 2014 15:35:41 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-21.messagelabs.com!1404920139!16873661!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26779 invoked from network); 9 Jul 2014 15:35:39 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-5.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 9 Jul 2014 15:35:39 -0000 Received: by mail-wi0-f171.google.com with SMTP id f8so2501779wiw.10 for ; Wed, 09 Jul 2014 08:35:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=/NfKkkJeB1Se8xSC7+FV2MqEqL/GLallky5SHKkSutc=; b=LZ4ohEGx99alGPRFJkwzmURlZ6q4dsXXJYJdyiJvFIbYLymUE/7/noXOhTujTEk2+y Znqv7TAAybP3o7TtLe5Xh8VtaWIjL3HSNBRdfIUiXOCLwzPghoGBe4EDFyFElR8MISyq nQkVaD+YtvdSg5oknMjmw30M6bg+pSo2EYuqvKEx0Km1juWdpIONaz8Ov73uk1zT/XDi YRix/S84YqwG0W//FvG1OUET4LKQl5Km3vgm/w5wS4MF1p+U3oCBR3RGfaa/EkGUjHa+ Dm0mNoPVVVWzCLobW7GCfzq9v8F4Y+3sVGwVmk6F0iDmnlCmBQalcISN9Xk9tE3Qnvyu mvLg== X-Received: by 10.194.87.134 with SMTP id ay6mr47380444wjb.84.1404920139112; Wed, 09 Jul 2014 08:35:39 -0700 (PDT) Received: from piana.home (ARennes-654-1-47-31.w81-53.abo.wanadoo.fr. [81.53.174.31]) by mx.google.com with ESMTPSA id ed15sm20640903wic.9.2014.07.09.08.35.37 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 09 Jul 2014 08:35:38 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Thomas Gazagnaire In-Reply-To: Date: Wed, 9 Jul 2014 17:35:36 +0200 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org > Also, it appears that calling register more than once overwrites the > previous job, rather than configuring the project to build both (the > unikernel and the tests). That's definitely a bug! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 16:27:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 16:27:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uiM-0006GE-Ja; Wed, 09 Jul 2014 16:27:26 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uiL-0006G0-Bz for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 16:27:25 +0000 Received: from [85.158.143.35:42845] by server-1.bemta-4.messagelabs.com id 60/C8-09496-C6D6DB35; Wed, 09 Jul 2014 16:27:24 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-11.tower-21.messagelabs.com!1404923242!16878290!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_23, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12991 invoked from network); 9 Jul 2014 16:27:22 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-11.tower-21.messagelabs.com with SMTP; 9 Jul 2014 16:27:22 -0000 X-IronPort-AV: E=Sophos;i="5.01,632,1400025600"; d="scan'208";a="22960064" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 09 Jul 2014 16:27:21 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Wed, 9 Jul 2014 18:27:21 +0200 From: Dave Scott To: Thomas Leonard Thread-Topic: [MirageOS-devel] Mirage questions from writing a REST service Thread-Index: AQHPmcMHIQ9vb5PIQEiHGLooKzh/KJuWp88AgAEV/4CAABJ0AA== Date: Wed, 9 Jul 2014 16:27:20 +0000 Message-ID: <584C25ED-E436-4CF6-8D2E-1A67A31D6CAF@citrix.com> References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.14] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 9 Jul 2014, at 16:21, Thomas Leonard wrote: > On 8 July 2014 23:46, Anil Madhavapeddy wrote: >> On 7 Jul 2014, at 10:08, Thomas Leonard wrote: >> = >>> I'm writing a test Mirage service for queuing files. It's not using >>> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >>> = >>> Some problems I found: > [...] >>> 4. Can I get mirage to generate a Makefile that builds and runs my >>> unit-tests? I guess I can't run the unit-tests when in --xen mode, >>> because some modules have conflicting names, but it would be nice in >>> --unix mode at least. >> = >> Need some more details on the nature of these unit tests, as I don't >> understand what you mean by 'conflicting names'. Can each unit test >> be compiled as a separate unikernel (so it'll work on Xen) via some >> config.ml code? > = > I hadn't thought of running the tests on Xen, though that does make sense. > = > I'd need some way for OUnit to run tests that return a unit Lwt.t. In OUnit test cases I normally use =91Lwt_main.run=92 to convert =91unit Lw= t.t=92 into =91unit=92. HTH, Dave > = > Also, it appears that calling register more than once overwrites the > previous job, rather than configuring the project to build both (the > unikernel and the tests). > = > = > -- = > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 16:27:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 16:27:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uiM-0006GE-Ja; Wed, 09 Jul 2014 16:27:26 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uiL-0006G0-Bz for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 16:27:25 +0000 Received: from [85.158.143.35:42845] by server-1.bemta-4.messagelabs.com id 60/C8-09496-C6D6DB35; Wed, 09 Jul 2014 16:27:24 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-11.tower-21.messagelabs.com!1404923242!16878290!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_23, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12991 invoked from network); 9 Jul 2014 16:27:22 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-11.tower-21.messagelabs.com with SMTP; 9 Jul 2014 16:27:22 -0000 X-IronPort-AV: E=Sophos;i="5.01,632,1400025600"; d="scan'208";a="22960064" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 09 Jul 2014 16:27:21 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Wed, 9 Jul 2014 18:27:21 +0200 From: Dave Scott To: Thomas Leonard Thread-Topic: [MirageOS-devel] Mirage questions from writing a REST service Thread-Index: AQHPmcMHIQ9vb5PIQEiHGLooKzh/KJuWp88AgAEV/4CAABJ0AA== Date: Wed, 9 Jul 2014 16:27:20 +0000 Message-ID: <584C25ED-E436-4CF6-8D2E-1A67A31D6CAF@citrix.com> References: In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.14] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 9 Jul 2014, at 16:21, Thomas Leonard wrote: > On 8 July 2014 23:46, Anil Madhavapeddy wrote: >> On 7 Jul 2014, at 10:08, Thomas Leonard wrote: >> = >>> I'm writing a test Mirage service for queuing files. It's not using >>> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >>> = >>> Some problems I found: > [...] >>> 4. Can I get mirage to generate a Makefile that builds and runs my >>> unit-tests? I guess I can't run the unit-tests when in --xen mode, >>> because some modules have conflicting names, but it would be nice in >>> --unix mode at least. >> = >> Need some more details on the nature of these unit tests, as I don't >> understand what you mean by 'conflicting names'. Can each unit test >> be compiled as a separate unikernel (so it'll work on Xen) via some >> config.ml code? > = > I hadn't thought of running the tests on Xen, though that does make sense. > = > I'd need some way for OUnit to run tests that return a unit Lwt.t. In OUnit test cases I normally use =91Lwt_main.run=92 to convert =91unit Lw= t.t=92 into =91unit=92. HTH, Dave > = > Also, it appears that calling register more than once overwrites the > previous job, rather than configuring the project to build both (the > unikernel and the tests). > = > = > -- = > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 16:35:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 16:35:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uqa-0006ca-SC; Wed, 09 Jul 2014 16:35:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uqZ-0006cV-By for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 16:35:55 +0000 Received: from [193.109.254.147:7960] by server-2.bemta-14.messagelabs.com id 58/E3-30377-A6F6DB35; Wed, 09 Jul 2014 16:35:54 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-27.messagelabs.com!1404923754!11811643!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 827 invoked from network); 9 Jul 2014 16:35:54 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-27.messagelabs.com with SMTP; 9 Jul 2014 16:35:54 -0000 Received: (qmail 10087 invoked by uid 634); 9 Jul 2014 16:35:53 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 09 Jul 2014 17:35:53 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <584C25ED-E436-4CF6-8D2E-1A67A31D6CAF@citrix.com> Date: Wed, 9 Jul 2014 17:35:52 +0100 Message-Id: <6AD8B9F3-AE39-418D-BF50-1D4049FC2229@recoil.org> References: <584C25ED-E436-4CF6-8D2E-1A67A31D6CAF@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 9 Jul 2014, at 17:27, Dave Scott wrote: > = > On 9 Jul 2014, at 16:21, Thomas Leonard wrote: > = >> On 8 July 2014 23:46, Anil Madhavapeddy wrote: >>> On 7 Jul 2014, at 10:08, Thomas Leonard wrote: >>> = >>>> I'm writing a test Mirage service for queuing files. It's not using >>>> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >>>> = >>>> Some problems I found: >> [...] >>>> 4. Can I get mirage to generate a Makefile that builds and runs my >>>> unit-tests? I guess I can't run the unit-tests when in --xen mode, >>>> because some modules have conflicting names, but it would be nice in >>>> --unix mode at least. >>> = >>> Need some more details on the nature of these unit tests, as I don't >>> understand what you mean by 'conflicting names'. Can each unit test >>> be compiled as a separate unikernel (so it'll work on Xen) via some >>> config.ml code? >> = >> I hadn't thought of running the tests on Xen, though that does make sens= e. >> = >> I'd need some way for OUnit to run tests that return a unit Lwt.t. > = > In OUnit test cases I normally use =91Lwt_main.run=92 to convert =91unit = Lwt.t=92 into =91unit=92. But it's a little tricker in Mirage since we don't have that run function until the Job functor is applied. It's probably easier to modify oUnit to pass in a run function that parameterises tests; it's a very simple library. We need to get rid of the Unix-specific bits anyway (unless it uses channels for everything). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 09 16:35:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 09 Jul 2014 16:35:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uqa-0006ca-SC; Wed, 09 Jul 2014 16:35:56 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X4uqZ-0006cV-By for mirageos-devel@lists.xenproject.org; Wed, 09 Jul 2014 16:35:55 +0000 Received: from [193.109.254.147:7960] by server-2.bemta-14.messagelabs.com id 58/E3-30377-A6F6DB35; Wed, 09 Jul 2014 16:35:54 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-27.messagelabs.com!1404923754!11811643!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 827 invoked from network); 9 Jul 2014 16:35:54 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-27.messagelabs.com with SMTP; 9 Jul 2014 16:35:54 -0000 Received: (qmail 10087 invoked by uid 634); 9 Jul 2014 16:35:53 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 09 Jul 2014 17:35:53 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <584C25ED-E436-4CF6-8D2E-1A67A31D6CAF@citrix.com> Date: Wed, 9 Jul 2014 17:35:52 +0100 Message-Id: <6AD8B9F3-AE39-418D-BF50-1D4049FC2229@recoil.org> References: <584C25ED-E436-4CF6-8D2E-1A67A31D6CAF@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 9 Jul 2014, at 17:27, Dave Scott wrote: > = > On 9 Jul 2014, at 16:21, Thomas Leonard wrote: > = >> On 8 July 2014 23:46, Anil Madhavapeddy wrote: >>> On 7 Jul 2014, at 10:08, Thomas Leonard wrote: >>> = >>>> I'm writing a test Mirage service for queuing files. It's not using >>>> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >>>> = >>>> Some problems I found: >> [...] >>>> 4. Can I get mirage to generate a Makefile that builds and runs my >>>> unit-tests? I guess I can't run the unit-tests when in --xen mode, >>>> because some modules have conflicting names, but it would be nice in >>>> --unix mode at least. >>> = >>> Need some more details on the nature of these unit tests, as I don't >>> understand what you mean by 'conflicting names'. Can each unit test >>> be compiled as a separate unikernel (so it'll work on Xen) via some >>> config.ml code? >> = >> I hadn't thought of running the tests on Xen, though that does make sens= e. >> = >> I'd need some way for OUnit to run tests that return a unit Lwt.t. > = > In OUnit test cases I normally use =91Lwt_main.run=92 to convert =91unit = Lwt.t=92 into =91unit=92. But it's a little tricker in Mirage since we don't have that run function until the Job functor is applied. It's probably easier to modify oUnit to pass in a run function that parameterises tests; it's a very simple library. We need to get rid of the Unix-specific bits anyway (unless it uses channels for everything). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 09:01:52 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 09:01:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5AEe-0006yl-Lw; Thu, 10 Jul 2014 09:01:48 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5AEd-0006ye-Bt for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 09:01:47 +0000 Received: from [85.158.139.211:65378] by server-5.bemta-5.messagelabs.com id 5E/E8-29625-A765EB35; Thu, 10 Jul 2014 09:01:46 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1404982904!14737906!1 X-Originating-IP: [209.85.214.172] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23365 invoked from network); 10 Jul 2014 09:01:45 -0000 Received: from mail-ob0-f172.google.com (HELO mail-ob0-f172.google.com) (209.85.214.172) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Jul 2014 09:01:45 -0000 Received: by mail-ob0-f172.google.com with SMTP id wn1so660107obc.31 for ; Thu, 10 Jul 2014 02:01:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type; bh=mWqhR+Nl+TdEUHXzuNsyARVKBBYqdAdT7B3u9aQTFV8=; b=H5UqnHrRnhSwzDBdFeblzHKheKBlZMHV7DIRFGCkEvYT+mgv7FPCFvL5vIhvl+rZFE y17YcO9JQV7Bt1gzgwN1IGS2qbUVPW104gYF0jSW1phzkBUYVY0e3LdwKtzjV9DWWqNl VtWtTFvxATiabnWenOz13jfCIkPMe18ZZCBPP2hHMJN4xtJyJz03HbUwhNZfnBdnjTP4 16gF907wMrnUxPPWi4gDtxslNScF5GMSJprD8930xzUUKVA1HyIWP8hkZL/7HrwD2//C xfYb1jxNsSco1e5XXg2cLC8ygz7NVjMTCuiDxP8I5EKj4VkB+buhs/604AQX9TbGdc5+ WUTg== MIME-Version: 1.0 X-Received: by 10.60.133.203 with SMTP id pe11mr53048889oeb.24.1404982904173; Thu, 10 Jul 2014 02:01:44 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 10 Jul 2014 02:01:44 -0700 (PDT) Date: Thu, 10 Jul 2014 10:01:44 +0100 Message-ID: From: Thomas Leonard To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 9 July 2014 09:32, Dave Scott wrote: > > On 8 Jul 2014, at 23:46, Anil Madhavapeddy wrote: > >> On 7 Jul 2014, at 10:08, Thomas Leonard wrote: >> >>> I'm writing a test Mirage service for queuing files. It's not using >>> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >>> >>> Some problems I found: [...] >>> This means my unikernel only works with Fat. If I don't do this, I >>> can't report or log error messages. I guess this is also why the test >>> above gave such a useless error. Are there any plans to make error >>> handling easier? >> >> Dave, what are your thoughts on this? That is indeed a distinctly >> abstract-looking block device error :-) > > I still find the error handling a bit awkward, particularly when you have layered devices and have wrapped errors. I think pretty-printing will definitely help though! I found it awkward too. What's the rationale behind Mirage's current error handling? Using polymorphic variants can be useful as it forces the user to handle each possible error case. But that only works if you keep false positives low. Otherwise, people invent various operators (I've seen >>|= and >>== so far) to ignore/propagate all errors and any benefits are lost. For example, in BLOCK we have: type error = [ | `Unknown of string (** an undiagnosed error *) | `Unimplemented (** operation not yet implemented in the code *) | `Is_read_only (** you cannot write to a read/only instance *) | `Disconnected (** the device has been previously disconnected *) ] val read: t -> int64 -> page_aligned_buffer list -> [ `Error of error | `Ok of unit ] io None of these cases makes sense to me. An `Unknown can only be logged or displayed, so it would be best to handle it once in a catch block at the top level, not for every read. Making the payload be of type exn rather than string would allow code to handle individual cases if needed (e.g. a remote block device might return Network_error, indicating that the client should reconnect and try again). `Unimplemented and `Disconnected presumably indicate bugs. For most programs, it would only make sense to report them at the top level. `Is_read_only is irrelevant for read operations. I think it would be simpler if exceptions were used and the type signature for read was just: val read: t -> int64 -> page_aligned_buffer list -> unit io For write, handling `Is_read_only might make sense, but it still seems better to me to use an exception. After all, if the device is read-only then you can't get it into a bad state, nor perform any recovery on it. In summary, I propose: - We should separate errors the caller should usually check for vs bugs/internal errors. - Probably exceptions should be thrown in the second case. OCaml programs already have to handle exceptions anyway. If not, `Unknown should at least take an exn payload, not a string (print handlers should be registered for any exceptions, of course). - For cases the caller should check, each function should declare its own set of errors. DEVICE.read should not return `Is_read_only, FS.format should not return `File_already_exists, etc. Thoughts? Apologies if this has all been discussed to death before. I've did find https://lists.cam.ac.uk/pipermail/cl-mirage/2012-March/msg00003.html, which notes that Async doesn't cope with exceptions. Presumably that could be wrapped away, though. It also suggests that there is some problem with Lwt and backtraces, but I'm not sure what the issue is there. These days, OCaml seems to keep track of when exceptions are reraised and indicates this in the backtrace. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 09:01:52 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 09:01:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5AEe-0006yl-Lw; Thu, 10 Jul 2014 09:01:48 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5AEd-0006ye-Bt for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 09:01:47 +0000 Received: from [85.158.139.211:65378] by server-5.bemta-5.messagelabs.com id 5E/E8-29625-A765EB35; Thu, 10 Jul 2014 09:01:46 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1404982904!14737906!1 X-Originating-IP: [209.85.214.172] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23365 invoked from network); 10 Jul 2014 09:01:45 -0000 Received: from mail-ob0-f172.google.com (HELO mail-ob0-f172.google.com) (209.85.214.172) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Jul 2014 09:01:45 -0000 Received: by mail-ob0-f172.google.com with SMTP id wn1so660107obc.31 for ; Thu, 10 Jul 2014 02:01:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type; bh=mWqhR+Nl+TdEUHXzuNsyARVKBBYqdAdT7B3u9aQTFV8=; b=H5UqnHrRnhSwzDBdFeblzHKheKBlZMHV7DIRFGCkEvYT+mgv7FPCFvL5vIhvl+rZFE y17YcO9JQV7Bt1gzgwN1IGS2qbUVPW104gYF0jSW1phzkBUYVY0e3LdwKtzjV9DWWqNl VtWtTFvxATiabnWenOz13jfCIkPMe18ZZCBPP2hHMJN4xtJyJz03HbUwhNZfnBdnjTP4 16gF907wMrnUxPPWi4gDtxslNScF5GMSJprD8930xzUUKVA1HyIWP8hkZL/7HrwD2//C xfYb1jxNsSco1e5XXg2cLC8ygz7NVjMTCuiDxP8I5EKj4VkB+buhs/604AQX9TbGdc5+ WUTg== MIME-Version: 1.0 X-Received: by 10.60.133.203 with SMTP id pe11mr53048889oeb.24.1404982904173; Thu, 10 Jul 2014 02:01:44 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 10 Jul 2014 02:01:44 -0700 (PDT) Date: Thu, 10 Jul 2014 10:01:44 +0100 Message-ID: From: Thomas Leonard To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 9 July 2014 09:32, Dave Scott wrote: > > On 8 Jul 2014, at 23:46, Anil Madhavapeddy wrote: > >> On 7 Jul 2014, at 10:08, Thomas Leonard wrote: >> >>> I'm writing a test Mirage service for queuing files. It's not using >>> ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >>> >>> Some problems I found: [...] >>> This means my unikernel only works with Fat. If I don't do this, I >>> can't report or log error messages. I guess this is also why the test >>> above gave such a useless error. Are there any plans to make error >>> handling easier? >> >> Dave, what are your thoughts on this? That is indeed a distinctly >> abstract-looking block device error :-) > > I still find the error handling a bit awkward, particularly when you have layered devices and have wrapped errors. I think pretty-printing will definitely help though! I found it awkward too. What's the rationale behind Mirage's current error handling? Using polymorphic variants can be useful as it forces the user to handle each possible error case. But that only works if you keep false positives low. Otherwise, people invent various operators (I've seen >>|= and >>== so far) to ignore/propagate all errors and any benefits are lost. For example, in BLOCK we have: type error = [ | `Unknown of string (** an undiagnosed error *) | `Unimplemented (** operation not yet implemented in the code *) | `Is_read_only (** you cannot write to a read/only instance *) | `Disconnected (** the device has been previously disconnected *) ] val read: t -> int64 -> page_aligned_buffer list -> [ `Error of error | `Ok of unit ] io None of these cases makes sense to me. An `Unknown can only be logged or displayed, so it would be best to handle it once in a catch block at the top level, not for every read. Making the payload be of type exn rather than string would allow code to handle individual cases if needed (e.g. a remote block device might return Network_error, indicating that the client should reconnect and try again). `Unimplemented and `Disconnected presumably indicate bugs. For most programs, it would only make sense to report them at the top level. `Is_read_only is irrelevant for read operations. I think it would be simpler if exceptions were used and the type signature for read was just: val read: t -> int64 -> page_aligned_buffer list -> unit io For write, handling `Is_read_only might make sense, but it still seems better to me to use an exception. After all, if the device is read-only then you can't get it into a bad state, nor perform any recovery on it. In summary, I propose: - We should separate errors the caller should usually check for vs bugs/internal errors. - Probably exceptions should be thrown in the second case. OCaml programs already have to handle exceptions anyway. If not, `Unknown should at least take an exn payload, not a string (print handlers should be registered for any exceptions, of course). - For cases the caller should check, each function should declare its own set of errors. DEVICE.read should not return `Is_read_only, FS.format should not return `File_already_exists, etc. Thoughts? Apologies if this has all been discussed to death before. I've did find https://lists.cam.ac.uk/pipermail/cl-mirage/2012-March/msg00003.html, which notes that Async doesn't cope with exceptions. Presumably that could be wrapped away, though. It also suggests that there is some problem with Lwt and backtraces, but I'm not sure what the issue is there. These days, OCaml seems to keep track of when exceptions are reraised and indicates this in the backtrace. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 10:47:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 10:47:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Bsc-0005GN-Gl; Thu, 10 Jul 2014 10:47:10 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Bsb-0005GI-Ia for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 10:47:09 +0000 Received: from [193.109.254.147:51776] by server-15.bemta-14.messagelabs.com id DA/32-11012-C2F6EB35; Thu, 10 Jul 2014 10:47:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-27.messagelabs.com!1404989227!13272620!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12847 invoked from network); 10 Jul 2014 10:47:08 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-27.messagelabs.com with SMTP; 10 Jul 2014 10:47:08 -0000 Received: (qmail 5627 invoked by uid 634); 10 Jul 2014 10:47:07 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-102-120.in-addr.btopenworld.com (HELO [10.0.0.110]) (81.149.102.120) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 11:47:06 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 10 Jul 2014 11:47:04 +0100 Message-Id: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 Jul 2014, at 10:01, Thomas Leonard wrote: > > I found it awkward too. What's the rationale behind Mirage's current > error handling? The basic problem with using exceptions is if they are constructed in a functor, they have a different representation across applications of that functor. Consider: exception Catch_me of string module A(S:sig val name : string end) = struct exception Catch_me of string let boom () = raise (Catch_me S.name) end module X = A(struct let name = "X" end) module Y = A(struct let name = "Y" end) let _ = try Printexc.print X.boom () with _ -> (); try Printexc.print Y.boom () with _ -> (); try X.boom () with |X.Catch_me x -> print_endline "X.Catch_me"; try X.boom () with |Catch_me x -> print_endline "Catch_me" Running this gives us: $ ocaml boom.ml Uncaught exception: A(S).Catch_me("X") Uncaught exception: A(S).Catch_me("Y") X.Catch_me Exception: A(S).Catch_me "X". The first two statements show the exception printer representing the exception as A(S), which is unhelpful when examining backtraces. This can be fixed with by registering a custom exception printer. The next two statements illustrate how you could go wrong if there are many similarly named exceptions, since there is no exhaustivity checking in the exception type. To write a generic function that catches any Catch_me, I believe you need a `try ... with _ -> ()` > Using polymorphic variants can be useful as it forces the user to > handle each possible error case. But that only works if you keep false > positives low. The reasoning behind explicit polymorphic variants here was to permit catching one class of error across all the device types: module A(S:sig val name : string end) = struct let boom () = `Catch_me S.name end module X = A(struct let name = "X" end) module Y = A(struct let name = "Y" end) let catcher rfn fn a = fn a |> function `Catch_me r -> rfn r let _ = X.boom () |> function `Catch_me r -> print_endline r; Y.boom () |> function `Catch_me r -> print_endline r; catcher print_endline X.boom (); catcher print_endline Y.boom () Here, the catcher function can be used across both functor applications (or, in Mirage terms, device drivers). However, writing more generic catcher functions that want to eliminate just one possibility from the variants and pass the others through is difficult, and leads to gems such as this from the OCaml-TLS Mirage code: type ('a, 'e, 'c) m = ([< `Ok of 'a | `Error of 'e | `Eof ] as 'c) Lwt.t let (>>==) (a : ('a, 'e, _) m) (f : 'a -> ('b, 'e, _) m) : ('b, 'e, _) m = a >>= function | `Ok x -> f x | `Error _ | `Eof as e -> return e > An `Unknown can only be logged or displayed, so it would be best to > handle it once in a catch block at the top level, not for every read. > Making the payload be of type exn rather than string would allow code > to handle individual cases if needed (e.g. a remote block device might > return Network_error, indicating that the client should reconnect and > try again). > `Unimplemented and `Disconnected presumably indicate bugs. For most > programs, it would only make sense to report them at the top level. > > `Is_read_only is irrelevant for read operations. > > I think it would be simpler if exceptions were used and the type > signature for read was just: > > val read: t -> int64 -> page_aligned_buffer list -> unit io > > For write, handling `Is_read_only might make sense, but it still seems > better to me to use an exception. After all, if the device is > read-only then you can't get it into a bad state, nor perform any > recovery on it. > > > In summary, I propose: > > - We should separate errors the caller should usually check for vs > bugs/internal errors. > > - Probably exceptions should be thrown in the second case. OCaml > programs already have to handle exceptions anyway. If not, `Unknown > should at least take an exn payload, not a string (print handlers > should be registered for any exceptions, of course). > > - For cases the caller should check, each function should declare its > own set of errors. DEVICE.read should not return `Is_read_only, > FS.format should not return `File_already_exists, etc. Yes, so by the above guidelines, we might turn this: type error = [ | `Unknown of string (** an undiagnosed error *) | `Unimplemented (** operation not yet implemented in the code *) | `Is_read_only (** you cannot write to a read/only instance *) | `Disconnected (** the device has been previously disconnected *) ] val read: t -> int64 -> page_aligned_buffer list -> [ `Error of error | `Ok of unit ] io val write: t -> int64 -> page_aligned_buffer list -> [ `Error of error | `Ok of unit ] io into: exception Unknown of string with sexp exception Unimplemented of string with sexp exception Disconnected with sexp type read_error = [ `Out_of_bounds ] with sexp type write_error = [ `Read_only_device | read_error ] with sexp val read : t -> int64 -> page_aligned_buffer list -> [ `Error of read_error | `Ok of unit ] io val write: t -> int64 -> page_aligned_buffer list -> [ `Error of write_error | `Ok of unit ] io This is also easier to contract, since a read-only device would simply skip the definition of `write_error` and `write`. We may need to do some more exception registration to tell us which module the expression came from (need to test that). > > Thoughts? Apologies if this has all been discussed to death before. Nope! If in doubt, raise an exception thread like this one :-) > I've did find https://lists.cam.ac.uk/pipermail/cl-mirage/2012-March/msg00003.html, > which notes that Async doesn't cope with exceptions. Presumably that > could be wrapped away, though. It also suggests that there is some > problem with Lwt and backtraces, but I'm not sure what the issue is > there. These days, OCaml seems to keep track of when exceptions are > reraised and indicates this in the backtrace. Async's model is broadly along the same lines that you propose. It defines a process tree of monitors that catch uncaught exceptions and define local behaviour for those. In the Mirage world, our current flat device hierarchy would turn into a DSL for generating these monitor trees in the autogenerated code. The issue with backtraces is that if you drop into the cooperative thread scheduler between (>>=) binds, the sequence of operations that led to the function call are thrown away and the backtraces look like ("select -> function") instead of ("blocking1 -> select -> blocking2 -> select -> function"). Lwt has a syntax extension that registers the current backtrace with the backtrace system. I'm not sure that this is a big problem though, as we tend not to rely on backtraces for anything important (instead, the value that's thrown is more useful). Thoughts from others welcome -- I like Thomas' proposal and think that it finds the sweet spot between forcing fully generic handling of polymorphic variants and throwing exceptions everywhere. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 10:47:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 10:47:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Bsc-0005GN-Gl; Thu, 10 Jul 2014 10:47:10 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Bsb-0005GI-Ia for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 10:47:09 +0000 Received: from [193.109.254.147:51776] by server-15.bemta-14.messagelabs.com id DA/32-11012-C2F6EB35; Thu, 10 Jul 2014 10:47:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-27.messagelabs.com!1404989227!13272620!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12847 invoked from network); 10 Jul 2014 10:47:08 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-27.messagelabs.com with SMTP; 10 Jul 2014 10:47:08 -0000 Received: (qmail 5627 invoked by uid 634); 10 Jul 2014 10:47:07 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-102-120.in-addr.btopenworld.com (HELO [10.0.0.110]) (81.149.102.120) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 11:47:06 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 10 Jul 2014 11:47:04 +0100 Message-Id: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 Jul 2014, at 10:01, Thomas Leonard wrote: > > I found it awkward too. What's the rationale behind Mirage's current > error handling? The basic problem with using exceptions is if they are constructed in a functor, they have a different representation across applications of that functor. Consider: exception Catch_me of string module A(S:sig val name : string end) = struct exception Catch_me of string let boom () = raise (Catch_me S.name) end module X = A(struct let name = "X" end) module Y = A(struct let name = "Y" end) let _ = try Printexc.print X.boom () with _ -> (); try Printexc.print Y.boom () with _ -> (); try X.boom () with |X.Catch_me x -> print_endline "X.Catch_me"; try X.boom () with |Catch_me x -> print_endline "Catch_me" Running this gives us: $ ocaml boom.ml Uncaught exception: A(S).Catch_me("X") Uncaught exception: A(S).Catch_me("Y") X.Catch_me Exception: A(S).Catch_me "X". The first two statements show the exception printer representing the exception as A(S), which is unhelpful when examining backtraces. This can be fixed with by registering a custom exception printer. The next two statements illustrate how you could go wrong if there are many similarly named exceptions, since there is no exhaustivity checking in the exception type. To write a generic function that catches any Catch_me, I believe you need a `try ... with _ -> ()` > Using polymorphic variants can be useful as it forces the user to > handle each possible error case. But that only works if you keep false > positives low. The reasoning behind explicit polymorphic variants here was to permit catching one class of error across all the device types: module A(S:sig val name : string end) = struct let boom () = `Catch_me S.name end module X = A(struct let name = "X" end) module Y = A(struct let name = "Y" end) let catcher rfn fn a = fn a |> function `Catch_me r -> rfn r let _ = X.boom () |> function `Catch_me r -> print_endline r; Y.boom () |> function `Catch_me r -> print_endline r; catcher print_endline X.boom (); catcher print_endline Y.boom () Here, the catcher function can be used across both functor applications (or, in Mirage terms, device drivers). However, writing more generic catcher functions that want to eliminate just one possibility from the variants and pass the others through is difficult, and leads to gems such as this from the OCaml-TLS Mirage code: type ('a, 'e, 'c) m = ([< `Ok of 'a | `Error of 'e | `Eof ] as 'c) Lwt.t let (>>==) (a : ('a, 'e, _) m) (f : 'a -> ('b, 'e, _) m) : ('b, 'e, _) m = a >>= function | `Ok x -> f x | `Error _ | `Eof as e -> return e > An `Unknown can only be logged or displayed, so it would be best to > handle it once in a catch block at the top level, not for every read. > Making the payload be of type exn rather than string would allow code > to handle individual cases if needed (e.g. a remote block device might > return Network_error, indicating that the client should reconnect and > try again). > `Unimplemented and `Disconnected presumably indicate bugs. For most > programs, it would only make sense to report them at the top level. > > `Is_read_only is irrelevant for read operations. > > I think it would be simpler if exceptions were used and the type > signature for read was just: > > val read: t -> int64 -> page_aligned_buffer list -> unit io > > For write, handling `Is_read_only might make sense, but it still seems > better to me to use an exception. After all, if the device is > read-only then you can't get it into a bad state, nor perform any > recovery on it. > > > In summary, I propose: > > - We should separate errors the caller should usually check for vs > bugs/internal errors. > > - Probably exceptions should be thrown in the second case. OCaml > programs already have to handle exceptions anyway. If not, `Unknown > should at least take an exn payload, not a string (print handlers > should be registered for any exceptions, of course). > > - For cases the caller should check, each function should declare its > own set of errors. DEVICE.read should not return `Is_read_only, > FS.format should not return `File_already_exists, etc. Yes, so by the above guidelines, we might turn this: type error = [ | `Unknown of string (** an undiagnosed error *) | `Unimplemented (** operation not yet implemented in the code *) | `Is_read_only (** you cannot write to a read/only instance *) | `Disconnected (** the device has been previously disconnected *) ] val read: t -> int64 -> page_aligned_buffer list -> [ `Error of error | `Ok of unit ] io val write: t -> int64 -> page_aligned_buffer list -> [ `Error of error | `Ok of unit ] io into: exception Unknown of string with sexp exception Unimplemented of string with sexp exception Disconnected with sexp type read_error = [ `Out_of_bounds ] with sexp type write_error = [ `Read_only_device | read_error ] with sexp val read : t -> int64 -> page_aligned_buffer list -> [ `Error of read_error | `Ok of unit ] io val write: t -> int64 -> page_aligned_buffer list -> [ `Error of write_error | `Ok of unit ] io This is also easier to contract, since a read-only device would simply skip the definition of `write_error` and `write`. We may need to do some more exception registration to tell us which module the expression came from (need to test that). > > Thoughts? Apologies if this has all been discussed to death before. Nope! If in doubt, raise an exception thread like this one :-) > I've did find https://lists.cam.ac.uk/pipermail/cl-mirage/2012-March/msg00003.html, > which notes that Async doesn't cope with exceptions. Presumably that > could be wrapped away, though. It also suggests that there is some > problem with Lwt and backtraces, but I'm not sure what the issue is > there. These days, OCaml seems to keep track of when exceptions are > reraised and indicates this in the backtrace. Async's model is broadly along the same lines that you propose. It defines a process tree of monitors that catch uncaught exceptions and define local behaviour for those. In the Mirage world, our current flat device hierarchy would turn into a DSL for generating these monitor trees in the autogenerated code. The issue with backtraces is that if you drop into the cooperative thread scheduler between (>>=) binds, the sequence of operations that led to the function call are thrown away and the backtraces look like ("select -> function") instead of ("blocking1 -> select -> blocking2 -> select -> function"). Lwt has a syntax extension that registers the current backtrace with the backtrace system. I'm not sure that this is a big problem though, as we tend not to rely on backtraces for anything important (instead, the value that's thrown is more useful). Thoughts from others welcome -- I like Thomas' proposal and think that it finds the sweet spot between forcing fully generic handling of polymorphic variants and throwing exceptions everywhere. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 11:18:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 11:18:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5CMZ-00075l-Up; Thu, 10 Jul 2014 11:18:07 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5CMY-000755-ID for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 11:18:06 +0000 Received: from [85.158.143.35:25158] by server-2.bemta-4.messagelabs.com id 7D/28-18579-D667EB35; Thu, 10 Jul 2014 11:18:05 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-5.tower-21.messagelabs.com!1404991084!17047122!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14385 invoked from network); 10 Jul 2014 11:18:05 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-5.tower-21.messagelabs.com with SMTP; 10 Jul 2014 11:18:05 -0000 Received: from [172.20.10.2] (188.29.165.214.threembb.co.uk [188.29.165.214]) by smtp.webfaction.com (Postfix) with ESMTP id 212AF22CA766; Thu, 10 Jul 2014 11:18:02 +0000 (UTC) Date: Thu, 10 Jul 2014 12:17:58 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Anil Madhavapeddy Message-ID: <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> In-Reply-To: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: David Scott , "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Thu, 10 Jul 2014 11:18:02 +0000 (UTC) Date: Thu, 10 Jul 2014 12:17:58 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Anil Madhavapeddy Message-ID: <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> In-Reply-To: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: David Scott , "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org CgpMZSBqZXVkaSwgMTAganVpbGxldCAyMDE0IMOgIDExOjQ3LCBBbmlsIE1hZGhhdmFwZWRkeSBh IMOpY3JpdCA6Cgo+IFRob3VnaHRzIGZyb20gb3RoZXJzIHdlbGNvbWUgLS0gSSBsaWtlIFRob21h cycgcHJvcG9zYWwgYW5kIHRoaW5rIHRoYXQgaXQKPiBmaW5kcyB0aGUgc3dlZXQgc3BvdCBiZXR3 ZWVuIGZvcmNpbmcgZnVsbHkgZ2VuZXJpYyBoYW5kbGluZyBvZiBwb2x5bW9ycGhpYwo+IHZhcmlh bnRzIGFuZCB0aHJvd2luZyBleGNlcHRpb25zIGV2ZXJ5d2hlcmUuCgpJZiB0aGVzZSBleGNlcHRp b25zIGFyZSBub3Qgc3VwcG9zZWQgdG8gYmUgY2F0Y2hlZCBleGNlcHQgYXQgdGhlIHRvcGxldmVs IChpLmUgYXJlIHJlYWxseSAqZXhjZXB0aW9uYWwqKSB0aGUgcHJvcG9zYWwgaXMgdGhlIHJpZ2h0 IGRlc2lnbiBhY2NvcmRpbmcgdG8gbXkgYm9vay4gIAoKSnVzdCBvbmUgdGhpbmcsIHRoZSBvdGhl ciBleGNlcHRpb25zIHlvdSBkZWZpbmVkIGFyZSB2ZXJ5IGNsZWFyIGJ5IHJlYWRpbmcgdGhlbSBi dXQgdGhpcyBvbmUgaXMgc3VzcGljaW91czoKCiAgICBleGNlcHRpb24gVW5rbm93biBvZiBzdHJp bmcgd2l0aCBzZXhwCgpXaGF0J3MgdGhlIGV4YWN0IHVzZSBjYXNlIGZvciB0aGF0IG9uZSA/ICAK CiogQVBJIG1pc3VzZSBieSBhIGNsaWVudCA/IHRoYXQgc2hvdWxkIGJlIEludmFsaWRfYXJndW1l bnQKKiBJbnRlcm5hbCBlcnJvciA/IHRoYXQgc2hvdWxkIGJlIGFuIEFzc2VydF9lcnJvciAgCgpE YW5pZWwKCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K TWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2pl Y3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGlu Zm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 13:13:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 13:13:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5E9y-0003H1-Jf; 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Thu, 10 Jul 2014 06:13:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=CduLqKK9FL7uMmcj6ugqA0zyvTVe2W0RR4/sehHGHvo=; b=SHZ1XBWRHYzVegEr1i8gNo1LXXycVDTGwFftN9fMidzJ64o35IKuXRXgrNWiNKjV7X 67DLMwj1yO1nOmUb5kYudARXTiyT6Y/koDDxeL1i6ahKW1gGTXAzmrTeDYcy3LNb/V2W rrr5tEyVOmCYWuhLEon0W+8Kya26jKgQF9z8J0bbQdbpd/MR6eV2y2U4sjPfm/HKFRuT cukslWiRwLhdpBHzVcUh8NhaShPPwdoqnLZ/qsojG921hBR/mH6g/xMLPqk8XmJmlAA/ hBwH35ek/YndwAw/DngWsSXHbBqH42iPWsQBMimYOzVqd6sRAULME1PvzVY1Wx4kB5wH NYZA== MIME-Version: 1.0 X-Received: by 10.68.104.66 with SMTP id gc2mr47373572pbb.17.1404997988076; Thu, 10 Jul 2014 06:13:08 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Thu, 10 Jul 2014 06:13:08 -0700 (PDT) In-Reply-To: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> Date: Thu, 10 Jul 2014 14:13:08 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1822092003727083949==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1822092003727083949== Content-Type: multipart/alternative; boundary=047d7b5d6596fd547304fdd6958b --047d7b5d6596fd547304fdd6958b Content-Type: text/plain; charset=UTF-8 Hi, On Thu, Jul 10, 2014 at 11:47 AM, Anil Madhavapeddy wrote: > On 10 Jul 2014, at 10:01, Thomas Leonard wrote: > > > > I found it awkward too. What's the rationale behind Mirage's current > > error handling? > > The basic problem with using exceptions is if they are constructed in > a functor, they have a different representation across applications of > that functor. Consider: > > exception Catch_me of string > > module A(S:sig val name : string end) = struct > exception Catch_me of string > let boom () = raise (Catch_me S.name) > end > > module X = A(struct let name = "X" end) > module Y = A(struct let name = "Y" end) > > let _ = > try Printexc.print X.boom () with _ -> (); > try Printexc.print Y.boom () with _ -> (); > try X.boom () with |X.Catch_me x -> print_endline "X.Catch_me"; > try X.boom () with |Catch_me x -> print_endline "Catch_me" > > Running this gives us: > > $ ocaml boom.ml > Uncaught exception: A(S).Catch_me("X") > Uncaught exception: A(S).Catch_me("Y") > X.Catch_me > Exception: A(S).Catch_me "X". > > The first two statements show the exception printer representing the > exception as A(S), which is unhelpful when examining backtraces. This > can be fixed with by registering a custom exception printer. > > The next two statements illustrate how you could go wrong if there > are many similarly named exceptions, since there is no exhaustivity > checking in the exception type. To write a generic function that > catches any Catch_me, I believe you need a `try ... with _ -> ()` > > > Using polymorphic variants can be useful as it forces the user to > > handle each possible error case. But that only works if you keep false > > positives low. > > The reasoning behind explicit polymorphic variants here was to permit > catching one class of error across all the device types: > > module A(S:sig val name : string end) = struct > let boom () = `Catch_me S.name > end > > module X = A(struct let name = "X" end) > module Y = A(struct let name = "Y" end) > > let catcher rfn fn a = fn a |> function `Catch_me r -> rfn r > > let _ = > X.boom () |> function `Catch_me r -> print_endline r; > Y.boom () |> function `Catch_me r -> print_endline r; > catcher print_endline X.boom (); > catcher print_endline Y.boom () > > Here, the catcher function can be used across both functor > applications (or, in Mirage terms, device drivers). > > However, writing more generic catcher functions that want > to eliminate just one possibility from the variants and > pass the others through is difficult, and leads to gems > such as this from the OCaml-TLS Mirage code: > > type ('a, 'e, 'c) m = > ([< `Ok of 'a | `Error of 'e | `Eof ] as 'c) Lwt.t > > let (>>==) (a : ('a, 'e, _) m) (f : 'a -> ('b, 'e, _) m) : ('b, 'e, _) m = > a >>= function > | `Ok x -> f x > | `Error _ | `Eof as e -> return e > > > > An `Unknown can only be logged or displayed, so it would be best to > > handle it once in a catch block at the top level, not for every read. > > Making the payload be of type exn rather than string would allow code > > to handle individual cases if needed (e.g. a remote block device might > > return Network_error, indicating that the client should reconnect and > > try again). > > > `Unimplemented and `Disconnected presumably indicate bugs. For most > > programs, it would only make sense to report them at the top level. > > > > `Is_read_only is irrelevant for read operations. > > > > I think it would be simpler if exceptions were used and the type > > signature for read was just: > > > > val read: t -> int64 -> page_aligned_buffer list -> unit io > > > > For write, handling `Is_read_only might make sense, but it still seems > > better to me to use an exception. After all, if the device is > > read-only then you can't get it into a bad state, nor perform any > > recovery on it. > > > > > > > In summary, I propose: > > > > - We should separate errors the caller should usually check for vs > > bugs/internal errors. > > > > - Probably exceptions should be thrown in the second case. OCaml > > programs already have to handle exceptions anyway. If not, `Unknown > > should at least take an exn payload, not a string (print handlers > > should be registered for any exceptions, of course). > > > > - For cases the caller should check, each function should declare its > > own set of errors. DEVICE.read should not return `Is_read_only, > > FS.format should not return `File_already_exists, etc. > > > Yes, so by the above guidelines, we might turn this: > > type error = [ > | `Unknown of string (** an undiagnosed error *) > | `Unimplemented (** operation not yet implemented in the code *) > | `Is_read_only (** you cannot write to a read/only instance *) > | `Disconnected (** the device has been previously disconnected *) > ] > > val read: t -> int64 -> page_aligned_buffer list -> [ `Error of error | > `Ok of unit ] io > val write: t -> int64 -> page_aligned_buffer list -> [ `Error of error | > `Ok of unit ] io > > into: > > exception Unknown of string with sexp > exception Unimplemented of string with sexp > exception Disconnected with sexp > > type read_error = [ `Out_of_bounds ] with sexp > type write_error = [ `Read_only_device | read_error ] with sexp > > val read : t -> int64 -> page_aligned_buffer list -> [ `Error of > read_error | `Ok of unit ] io > val write: t -> int64 -> page_aligned_buffer list -> [ `Error of > write_error | `Ok of unit ] io > > This is also easier to contract, since a read-only device would simply skip > the definition of `write_error` and `write`. We may need to do some > more exception registration to tell us which module the expression came > from (need to test that). > This sounds sensible to me. When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? Since our top-level function is in the auto generated code: let () = OS.Main.run (join [t1 ()]) For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! Cheers, Dave > > > Thoughts? Apologies if this has all been discussed to death before. > > Nope! If in doubt, raise an exception thread like this one :-) > > > I've did find > https://lists.cam.ac.uk/pipermail/cl-mirage/2012-March/msg00003.html, > > which notes that Async doesn't cope with exceptions. Presumably that > > could be wrapped away, though. It also suggests that there is some > > problem with Lwt and backtraces, but I'm not sure what the issue is > > there. These days, OCaml seems to keep track of when exceptions are > > reraised and indicates this in the backtrace. > > Async's model is broadly along the same lines that you propose. It defines > a process tree of monitors that catch uncaught exceptions and define local > behaviour for those. In the Mirage world, our current flat device > hierarchy > would turn into a DSL for generating these monitor trees in the > autogenerated > code. > > The issue with backtraces is that if you drop into the cooperative thread > scheduler between (>>=) binds, the sequence of operations that led to the > function call are thrown away and the backtraces look like ("select -> > function") > instead of ("blocking1 -> select -> blocking2 -> select -> function"). > > Lwt has a syntax extension that registers the current backtrace with > the backtrace system. I'm not sure that this is a big problem though, > as we tend not to rely on backtraces for anything important (instead, the > value that's thrown is more useful). > > Thoughts from others welcome -- I like Thomas' proposal and think that it > finds the sweet spot between forcing fully generic handling of polymorphic > variants and throwing exceptions everywhere. > > -anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --047d7b5d6596fd547304fdd6958b Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,


On Thu, Jul 10, 2014 at 11:47 AM, Anil Madhavapeddy <anil@recoil.org<= /a>> wrote:
On 10 Jul 2014, at 10:01, Thomas Leonard <talex5@gmail.com> wro= te:
>
> I found it awkward too. What's the rationale behind Mirage's c= urrent
> error handling?

The basic problem with using exceptions is if they are constructed in=
a functor, they have a different representation across applications of
that functor. =C2=A0Consider:

exception Catch_me of string

module A(S:sig val name : string end) =3D struct
=C2=A0 exception Catch_me of string
=C2=A0 let boom () =3D raise (Catch_me S.name)
end

module X =3D A(struct let name =3D "X" end)
module Y =3D A(struct let name =3D "Y" end)

let _ =3D
=C2=A0 try Printexc.print X.boom () with _ -> ();
=C2=A0 try Printexc.print Y.boom () with _ -> ();
=C2=A0 try X.boom () with |X.Catch_me x -> print_endline "X.Catch_m= e";
=C2=A0 try X.boom () with |Catch_me x -> print_endline "Catch_me&qu= ot;

Running this gives us:

$ ocaml boom.ml
Uncaught exception: A(S).Catch_me("X")
Uncaught exception: A(S).Catch_me("Y")
X.Catch_me
Exception: A(S).Catch_me "X".

The first two statements show the exception printer representing the
exception as A(S), which is unhelpful when examining backtraces. This
can be fixed with by registering a custom exception printer.

The next two statements illustrate how you could go wrong if there
are many similarly named exceptions, since there is no exhaustivity
checking in the exception type. =C2=A0To write a generic function that
catches any Catch_me, I believe you need a `try ... with _ -> ()`

> Using polymorphic variants can be useful as it forces the user to
> handle each possible error case. But that only works if you keep false=
> positives low.

The reasoning behind explicit polymorphic variants here was to permit=
catching one class of error across all the device types:

module A(S:sig val name : string end) =3D struct
=C2=A0 let boom () =3D `Catch_me S.name
end

module X =3D A(struct let name =3D "X" end)
module Y =3D A(struct let name =3D "Y" end)

let catcher rfn fn a =3D fn a |> function `Catch_me r -> rfn r

let _ =3D
=C2=A0 X.boom () |> function `Catch_me r -> print_endline r;
=C2=A0 Y.boom () |> function `Catch_me r -> print_endline r;
=C2=A0 catcher print_endline X.boom ();
=C2=A0 catcher print_endline Y.boom ()

Here, the catcher function can be used across both functor
applications (or, in Mirage terms, device drivers).

However, writing more generic catcher functions that want
to eliminate just one possibility from the variants and
pass the others through is difficult, and leads to gems
such as this from the OCaml-TLS Mirage code:

type ('a, 'e, 'c) m =3D
=C2=A0 ([< `Ok of 'a | `Error of 'e | `Eof ] as 'c) Lwt.t
let (>>=3D=3D) (a : ('a, 'e, _) m) (f : 'a -> ('b,= 'e, _) m) : ('b, 'e, _) m =3D
=C2=A0 a >>=3D function
=C2=A0 | `Ok x =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0->= f x
=C2=A0 | `Error _ | `Eof as e -> return e


> An `Unknown can only be logged or displayed, so it would be best to > handle it once in a catch block at the top level, not for every read.<= br> > Making the payload be of type exn rather than string would allow code<= br> > to handle individual cases if needed (e.g. a remote block device might=
> return Network_error, indicating that the client should reconnect and<= br> > try again).

> `Unimplemented and `Disconnected presumably indicate bugs. For most > programs, it would only make sense to report them at the top level. >
> `Is_read_only is irrelevant for read operations.
>
> I think it would be simpler if exceptions were used and the type
> signature for read was just:
>
> =C2=A0val read: t -> int64 -> page_aligned_buffer list -> uni= t io
>
> For write, handling `Is_read_only might make sense, but it still seems=
> better to me to use an exception. After all, if the device is
> read-only then you can't get it into a bad state, nor perform any<= br> > recovery on it.

>
>
> In summary, I propose:
>
> - We should separate errors the caller should usually check for vs
> bugs/internal errors.
>
> - Probably exceptions should be thrown in the second case. OCaml
> programs already have to handle exceptions anyway. If not, `Unknown > should at least take an exn payload, not a string (print handlers
> should be registered for any exceptions, of course).
>
> - For cases the caller should check, each function should declare its<= br> > own set of errors. DEVICE.read should not return `Is_read_only,
> FS.format should not return `File_already_exists, etc.


Yes, so by the above guidelines, we might turn this:

type error =3D [
=C2=A0| `Unknown of string (** an undiagnosed error *)
=C2=A0| `Unimplemented =C2=A0 =C2=A0 (** operation not yet implemented in t= he code *)
=C2=A0| `Is_read_only =C2=A0 =C2=A0 =C2=A0(** you cannot write to a read/on= ly instance *)
=C2=A0| `Disconnected =C2=A0 =C2=A0 =C2=A0(** the device has been previousl= y disconnected *)
]

val read: t -> int64 -> page_aligned_buffer list -> [ `Error of er= ror | `Ok of unit ] io
val write: t -> int64 -> page_aligned_buffer list -> [ `Erro= r of error | `Ok of unit ] io

into:

exception Unknown of string with sexp
exception Unimplemented of string with sexp
exception Disconnected with sexp

type read_error =C2=A0=3D [ `Out_of_bounds ] with sexp
type write_error =3D [ `Read_only_device | read_error ] with sexp

val read : t -> int64 -> page_aligned_buffer list -> [ `Error of r= ead_error | `Ok of unit ] io
val write: t -> int64 -> page_aligned_buffer list -> [ `Error of w= rite_error | `Ok of unit ] io

This is also easier to contract, since a read-only device would simply skip=
the definition of `write_error` and `write`. =C2=A0We may need to do some more exception registration to tell us which module the expression came
from (need to test that).

This sounds s= ensible to me.

When debugging one of these fatal e= rrors (e.g. 'Disconnected' which means: someone called 'disconn= ect' and then tried 'read' or 'write' afterwards) it wo= uld be useful to have more context. For example it would probably be good t= o add the device id to the exception so we know which disk it relates to. T= his could help us infer that the buggy code is in the FS driver running on = disk 2 and not the irmin backend on disk 1. There might be other useful con= text which is more implementation-specific. We could either just log this t= o the console or we could encode it up as an Sexp.t and attach that to the = exception too?

Since our top-level function is in the auto generated c= ode:

let () =3D<= /p>

=C2=A0 OS.Main.run (join [t1 ()])


For every exception we declare in our interface, shou= ld we pre-create a default exception handler which pretty-prints it? This c= ould also explain to the unlucky user that this is a bug and should be repo= rted on the issue tracker?

BTW I've now forked the V1 interfaces into a V2, so= feel free to propose concrete changes as pull requests!

Cheers,
Dave

>
> Thoughts? Apologies if this has all been discussed to death before.
Nope! If in doubt, raise an exception thread like this one :-)

> I've did find https://lists.cam.ac.uk/pipe= rmail/cl-mirage/2012-March/msg00003.html,
> which notes that Async doesn't cope with exceptions. Presumably th= at
> could be wrapped away, though. It also suggests that there is some
> problem with Lwt and backtraces, but I'm not sure what the issue i= s
> there. These days, OCaml seems to keep track of when exceptions are > reraised and indicates this in the backtrace.

Async's model is broadly along the same lines that you propose. = =C2=A0It defines
a process tree of monitors that catch uncaught exceptions and define local<= br> behaviour for those. =C2=A0In the Mirage world, our current flat device hie= rarchy
would turn into a DSL for generating these monitor trees in the autogenerat= ed
code.

The issue with backtraces is that if you drop into the cooperative thread scheduler between (>>=3D) binds, the sequence of operations that led = to the
function call are thrown away and the backtraces look like ("select -&= gt; function")
instead of ("blocking1 -> select -> blocking2 -> select ->= function").

Lwt has a syntax extension that registers the current backtrace with
the backtrace system. =C2=A0I'm not sure that this is a big problem tho= ugh,
as we tend not to rely on backtraces for anything important (instead, the value that's thrown is more useful).

Thoughts from others welcome -- I like Thomas' proposal and think that = it
finds the sweet spot between forcing fully generic handling of polymorphic<= br> variants and throwing exceptions everywhere.

-anil
_______________________________________________
MirageOS-devel mailing list
Mi= rageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--047d7b5d6596fd547304fdd6958b-- --===============1822092003727083949== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1822092003727083949==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 13:13:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 13:13:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5E9y-0003H1-Jf; Thu, 10 Jul 2014 13:13:14 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5E9x-0003Gw-71 for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 13:13:13 +0000 Received: from [85.158.137.68:5792] by server-14.bemta-3.messagelabs.com id D0/FB-19846-8619EB35; Thu, 10 Jul 2014 13:13:12 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1404997988!15082261!1 X-Originating-IP: [209.85.220.41] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_20_30, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28392 invoked from network); 10 Jul 2014 13:13:10 -0000 Received: from mail-pa0-f41.google.com (HELO mail-pa0-f41.google.com) (209.85.220.41) by server-2.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 10 Jul 2014 13:13:10 -0000 Received: by mail-pa0-f41.google.com with SMTP id fb1so11109596pad.28 for ; Thu, 10 Jul 2014 06:13:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=CduLqKK9FL7uMmcj6ugqA0zyvTVe2W0RR4/sehHGHvo=; b=SHZ1XBWRHYzVegEr1i8gNo1LXXycVDTGwFftN9fMidzJ64o35IKuXRXgrNWiNKjV7X 67DLMwj1yO1nOmUb5kYudARXTiyT6Y/koDDxeL1i6ahKW1gGTXAzmrTeDYcy3LNb/V2W rrr5tEyVOmCYWuhLEon0W+8Kya26jKgQF9z8J0bbQdbpd/MR6eV2y2U4sjPfm/HKFRuT cukslWiRwLhdpBHzVcUh8NhaShPPwdoqnLZ/qsojG921hBR/mH6g/xMLPqk8XmJmlAA/ hBwH35ek/YndwAw/DngWsSXHbBqH42iPWsQBMimYOzVqd6sRAULME1PvzVY1Wx4kB5wH NYZA== MIME-Version: 1.0 X-Received: by 10.68.104.66 with SMTP id gc2mr47373572pbb.17.1404997988076; Thu, 10 Jul 2014 06:13:08 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Thu, 10 Jul 2014 06:13:08 -0700 (PDT) In-Reply-To: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> Date: Thu, 10 Jul 2014 14:13:08 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1822092003727083949==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1822092003727083949== Content-Type: multipart/alternative; boundary=047d7b5d6596fd547304fdd6958b --047d7b5d6596fd547304fdd6958b Content-Type: text/plain; charset=UTF-8 Hi, On Thu, Jul 10, 2014 at 11:47 AM, Anil Madhavapeddy wrote: > On 10 Jul 2014, at 10:01, Thomas Leonard wrote: > > > > I found it awkward too. What's the rationale behind Mirage's current > > error handling? > > The basic problem with using exceptions is if they are constructed in > a functor, they have a different representation across applications of > that functor. Consider: > > exception Catch_me of string > > module A(S:sig val name : string end) = struct > exception Catch_me of string > let boom () = raise (Catch_me S.name) > end > > module X = A(struct let name = "X" end) > module Y = A(struct let name = "Y" end) > > let _ = > try Printexc.print X.boom () with _ -> (); > try Printexc.print Y.boom () with _ -> (); > try X.boom () with |X.Catch_me x -> print_endline "X.Catch_me"; > try X.boom () with |Catch_me x -> print_endline "Catch_me" > > Running this gives us: > > $ ocaml boom.ml > Uncaught exception: A(S).Catch_me("X") > Uncaught exception: A(S).Catch_me("Y") > X.Catch_me > Exception: A(S).Catch_me "X". > > The first two statements show the exception printer representing the > exception as A(S), which is unhelpful when examining backtraces. This > can be fixed with by registering a custom exception printer. > > The next two statements illustrate how you could go wrong if there > are many similarly named exceptions, since there is no exhaustivity > checking in the exception type. To write a generic function that > catches any Catch_me, I believe you need a `try ... with _ -> ()` > > > Using polymorphic variants can be useful as it forces the user to > > handle each possible error case. But that only works if you keep false > > positives low. > > The reasoning behind explicit polymorphic variants here was to permit > catching one class of error across all the device types: > > module A(S:sig val name : string end) = struct > let boom () = `Catch_me S.name > end > > module X = A(struct let name = "X" end) > module Y = A(struct let name = "Y" end) > > let catcher rfn fn a = fn a |> function `Catch_me r -> rfn r > > let _ = > X.boom () |> function `Catch_me r -> print_endline r; > Y.boom () |> function `Catch_me r -> print_endline r; > catcher print_endline X.boom (); > catcher print_endline Y.boom () > > Here, the catcher function can be used across both functor > applications (or, in Mirage terms, device drivers). > > However, writing more generic catcher functions that want > to eliminate just one possibility from the variants and > pass the others through is difficult, and leads to gems > such as this from the OCaml-TLS Mirage code: > > type ('a, 'e, 'c) m = > ([< `Ok of 'a | `Error of 'e | `Eof ] as 'c) Lwt.t > > let (>>==) (a : ('a, 'e, _) m) (f : 'a -> ('b, 'e, _) m) : ('b, 'e, _) m = > a >>= function > | `Ok x -> f x > | `Error _ | `Eof as e -> return e > > > > An `Unknown can only be logged or displayed, so it would be best to > > handle it once in a catch block at the top level, not for every read. > > Making the payload be of type exn rather than string would allow code > > to handle individual cases if needed (e.g. a remote block device might > > return Network_error, indicating that the client should reconnect and > > try again). > > > `Unimplemented and `Disconnected presumably indicate bugs. For most > > programs, it would only make sense to report them at the top level. > > > > `Is_read_only is irrelevant for read operations. > > > > I think it would be simpler if exceptions were used and the type > > signature for read was just: > > > > val read: t -> int64 -> page_aligned_buffer list -> unit io > > > > For write, handling `Is_read_only might make sense, but it still seems > > better to me to use an exception. After all, if the device is > > read-only then you can't get it into a bad state, nor perform any > > recovery on it. > > > > > > > In summary, I propose: > > > > - We should separate errors the caller should usually check for vs > > bugs/internal errors. > > > > - Probably exceptions should be thrown in the second case. OCaml > > programs already have to handle exceptions anyway. If not, `Unknown > > should at least take an exn payload, not a string (print handlers > > should be registered for any exceptions, of course). > > > > - For cases the caller should check, each function should declare its > > own set of errors. DEVICE.read should not return `Is_read_only, > > FS.format should not return `File_already_exists, etc. > > > Yes, so by the above guidelines, we might turn this: > > type error = [ > | `Unknown of string (** an undiagnosed error *) > | `Unimplemented (** operation not yet implemented in the code *) > | `Is_read_only (** you cannot write to a read/only instance *) > | `Disconnected (** the device has been previously disconnected *) > ] > > val read: t -> int64 -> page_aligned_buffer list -> [ `Error of error | > `Ok of unit ] io > val write: t -> int64 -> page_aligned_buffer list -> [ `Error of error | > `Ok of unit ] io > > into: > > exception Unknown of string with sexp > exception Unimplemented of string with sexp > exception Disconnected with sexp > > type read_error = [ `Out_of_bounds ] with sexp > type write_error = [ `Read_only_device | read_error ] with sexp > > val read : t -> int64 -> page_aligned_buffer list -> [ `Error of > read_error | `Ok of unit ] io > val write: t -> int64 -> page_aligned_buffer list -> [ `Error of > write_error | `Ok of unit ] io > > This is also easier to contract, since a read-only device would simply skip > the definition of `write_error` and `write`. We may need to do some > more exception registration to tell us which module the expression came > from (need to test that). > This sounds sensible to me. When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? Since our top-level function is in the auto generated code: let () = OS.Main.run (join [t1 ()]) For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! Cheers, Dave > > > Thoughts? Apologies if this has all been discussed to death before. > > Nope! If in doubt, raise an exception thread like this one :-) > > > I've did find > https://lists.cam.ac.uk/pipermail/cl-mirage/2012-March/msg00003.html, > > which notes that Async doesn't cope with exceptions. Presumably that > > could be wrapped away, though. It also suggests that there is some > > problem with Lwt and backtraces, but I'm not sure what the issue is > > there. These days, OCaml seems to keep track of when exceptions are > > reraised and indicates this in the backtrace. > > Async's model is broadly along the same lines that you propose. It defines > a process tree of monitors that catch uncaught exceptions and define local > behaviour for those. In the Mirage world, our current flat device > hierarchy > would turn into a DSL for generating these monitor trees in the > autogenerated > code. > > The issue with backtraces is that if you drop into the cooperative thread > scheduler between (>>=) binds, the sequence of operations that led to the > function call are thrown away and the backtraces look like ("select -> > function") > instead of ("blocking1 -> select -> blocking2 -> select -> function"). > > Lwt has a syntax extension that registers the current backtrace with > the backtrace system. I'm not sure that this is a big problem though, > as we tend not to rely on backtraces for anything important (instead, the > value that's thrown is more useful). > > Thoughts from others welcome -- I like Thomas' proposal and think that it > finds the sweet spot between forcing fully generic handling of polymorphic > variants and throwing exceptions everywhere. > > -anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --047d7b5d6596fd547304fdd6958b Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,


On Thu, Jul 10, 2014 at 11:47 AM, Anil Madhavapeddy <anil@recoil.org<= /a>> wrote:
On 10 Jul 2014, at 10:01, Thomas Leonard <talex5@gmail.com> wro= te:
>
> I found it awkward too. What's the rationale behind Mirage's c= urrent
> error handling?

The basic problem with using exceptions is if they are constructed in=
a functor, they have a different representation across applications of
that functor. =C2=A0Consider:

exception Catch_me of string

module A(S:sig val name : string end) =3D struct
=C2=A0 exception Catch_me of string
=C2=A0 let boom () =3D raise (Catch_me S.name)
end

module X =3D A(struct let name =3D "X" end)
module Y =3D A(struct let name =3D "Y" end)

let _ =3D
=C2=A0 try Printexc.print X.boom () with _ -> ();
=C2=A0 try Printexc.print Y.boom () with _ -> ();
=C2=A0 try X.boom () with |X.Catch_me x -> print_endline "X.Catch_m= e";
=C2=A0 try X.boom () with |Catch_me x -> print_endline "Catch_me&qu= ot;

Running this gives us:

$ ocaml boom.ml
Uncaught exception: A(S).Catch_me("X")
Uncaught exception: A(S).Catch_me("Y")
X.Catch_me
Exception: A(S).Catch_me "X".

The first two statements show the exception printer representing the
exception as A(S), which is unhelpful when examining backtraces. This
can be fixed with by registering a custom exception printer.

The next two statements illustrate how you could go wrong if there
are many similarly named exceptions, since there is no exhaustivity
checking in the exception type. =C2=A0To write a generic function that
catches any Catch_me, I believe you need a `try ... with _ -> ()`

> Using polymorphic variants can be useful as it forces the user to
> handle each possible error case. But that only works if you keep false=
> positives low.

The reasoning behind explicit polymorphic variants here was to permit=
catching one class of error across all the device types:

module A(S:sig val name : string end) =3D struct
=C2=A0 let boom () =3D `Catch_me S.name
end

module X =3D A(struct let name =3D "X" end)
module Y =3D A(struct let name =3D "Y" end)

let catcher rfn fn a =3D fn a |> function `Catch_me r -> rfn r

let _ =3D
=C2=A0 X.boom () |> function `Catch_me r -> print_endline r;
=C2=A0 Y.boom () |> function `Catch_me r -> print_endline r;
=C2=A0 catcher print_endline X.boom ();
=C2=A0 catcher print_endline Y.boom ()

Here, the catcher function can be used across both functor
applications (or, in Mirage terms, device drivers).

However, writing more generic catcher functions that want
to eliminate just one possibility from the variants and
pass the others through is difficult, and leads to gems
such as this from the OCaml-TLS Mirage code:

type ('a, 'e, 'c) m =3D
=C2=A0 ([< `Ok of 'a | `Error of 'e | `Eof ] as 'c) Lwt.t
let (>>=3D=3D) (a : ('a, 'e, _) m) (f : 'a -> ('b,= 'e, _) m) : ('b, 'e, _) m =3D
=C2=A0 a >>=3D function
=C2=A0 | `Ok x =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0->= f x
=C2=A0 | `Error _ | `Eof as e -> return e


> An `Unknown can only be logged or displayed, so it would be best to > handle it once in a catch block at the top level, not for every read.<= br> > Making the payload be of type exn rather than string would allow code<= br> > to handle individual cases if needed (e.g. a remote block device might=
> return Network_error, indicating that the client should reconnect and<= br> > try again).

> `Unimplemented and `Disconnected presumably indicate bugs. For most > programs, it would only make sense to report them at the top level. >
> `Is_read_only is irrelevant for read operations.
>
> I think it would be simpler if exceptions were used and the type
> signature for read was just:
>
> =C2=A0val read: t -> int64 -> page_aligned_buffer list -> uni= t io
>
> For write, handling `Is_read_only might make sense, but it still seems=
> better to me to use an exception. After all, if the device is
> read-only then you can't get it into a bad state, nor perform any<= br> > recovery on it.

>
>
> In summary, I propose:
>
> - We should separate errors the caller should usually check for vs
> bugs/internal errors.
>
> - Probably exceptions should be thrown in the second case. OCaml
> programs already have to handle exceptions anyway. If not, `Unknown > should at least take an exn payload, not a string (print handlers
> should be registered for any exceptions, of course).
>
> - For cases the caller should check, each function should declare its<= br> > own set of errors. DEVICE.read should not return `Is_read_only,
> FS.format should not return `File_already_exists, etc.


Yes, so by the above guidelines, we might turn this:

type error =3D [
=C2=A0| `Unknown of string (** an undiagnosed error *)
=C2=A0| `Unimplemented =C2=A0 =C2=A0 (** operation not yet implemented in t= he code *)
=C2=A0| `Is_read_only =C2=A0 =C2=A0 =C2=A0(** you cannot write to a read/on= ly instance *)
=C2=A0| `Disconnected =C2=A0 =C2=A0 =C2=A0(** the device has been previousl= y disconnected *)
]

val read: t -> int64 -> page_aligned_buffer list -> [ `Error of er= ror | `Ok of unit ] io
val write: t -> int64 -> page_aligned_buffer list -> [ `Erro= r of error | `Ok of unit ] io

into:

exception Unknown of string with sexp
exception Unimplemented of string with sexp
exception Disconnected with sexp

type read_error =C2=A0=3D [ `Out_of_bounds ] with sexp
type write_error =3D [ `Read_only_device | read_error ] with sexp

val read : t -> int64 -> page_aligned_buffer list -> [ `Error of r= ead_error | `Ok of unit ] io
val write: t -> int64 -> page_aligned_buffer list -> [ `Error of w= rite_error | `Ok of unit ] io

This is also easier to contract, since a read-only device would simply skip=
the definition of `write_error` and `write`. =C2=A0We may need to do some more exception registration to tell us which module the expression came
from (need to test that).

This sounds s= ensible to me.

When debugging one of these fatal e= rrors (e.g. 'Disconnected' which means: someone called 'disconn= ect' and then tried 'read' or 'write' afterwards) it wo= uld be useful to have more context. For example it would probably be good t= o add the device id to the exception so we know which disk it relates to. T= his could help us infer that the buggy code is in the FS driver running on = disk 2 and not the irmin backend on disk 1. There might be other useful con= text which is more implementation-specific. We could either just log this t= o the console or we could encode it up as an Sexp.t and attach that to the = exception too?

Since our top-level function is in the auto generated c= ode:

let () =3D<= /p>

=C2=A0 OS.Main.run (join [t1 ()])


For every exception we declare in our interface, shou= ld we pre-create a default exception handler which pretty-prints it? This c= ould also explain to the unlucky user that this is a bug and should be repo= rted on the issue tracker?

BTW I've now forked the V1 interfaces into a V2, so= feel free to propose concrete changes as pull requests!

Cheers,
Dave

>
> Thoughts? Apologies if this has all been discussed to death before.
Nope! If in doubt, raise an exception thread like this one :-)

> I've did find https://lists.cam.ac.uk/pipe= rmail/cl-mirage/2012-March/msg00003.html,
> which notes that Async doesn't cope with exceptions. Presumably th= at
> could be wrapped away, though. It also suggests that there is some
> problem with Lwt and backtraces, but I'm not sure what the issue i= s
> there. These days, OCaml seems to keep track of when exceptions are > reraised and indicates this in the backtrace.

Async's model is broadly along the same lines that you propose. = =C2=A0It defines
a process tree of monitors that catch uncaught exceptions and define local<= br> behaviour for those. =C2=A0In the Mirage world, our current flat device hie= rarchy
would turn into a DSL for generating these monitor trees in the autogenerat= ed
code.

The issue with backtraces is that if you drop into the cooperative thread scheduler between (>>=3D) binds, the sequence of operations that led = to the
function call are thrown away and the backtraces look like ("select -&= gt; function")
instead of ("blocking1 -> select -> blocking2 -> select ->= function").

Lwt has a syntax extension that registers the current backtrace with
the backtrace system. =C2=A0I'm not sure that this is a big problem tho= ugh,
as we tend not to rely on backtraces for anything important (instead, the value that's thrown is more useful).

Thoughts from others welcome -- I like Thomas' proposal and think that = it
finds the sweet spot between forcing fully generic handling of polymorphic<= br> variants and throwing exceptions everywhere.

-anil
_______________________________________________
MirageOS-devel mailing list
Mi= rageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--047d7b5d6596fd547304fdd6958b-- --===============1822092003727083949== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1822092003727083949==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:30:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:30:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FMl-0005VE-Cp; Thu, 10 Jul 2014 14:30:31 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FMj-0005Ut-LE for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:30:29 +0000 Received: from [85.158.139.211:54763] by server-8.bemta-5.messagelabs.com id 39/E8-27672-483AEB35; Thu, 10 Jul 2014 14:30:28 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1405002628!9490549!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30285 invoked from network); 10 Jul 2014 14:30:28 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-206.messagelabs.com with SMTP; 10 Jul 2014 14:30:28 -0000 Received: (qmail 9162 invoked by uid 634); 10 Jul 2014 14:30:27 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-212-230.in-addr.btopenworld.com (HELO [10.0.1.39]) (81.149.212.230) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 15:30:27 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 10 Jul 2014 15:30:04 +0100 Message-Id: <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> To: David Scott X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 Jul 2014, at 14:13, David Scott wrote: > This sounds sensible to me. > > When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? We need to be a little careful with adding the device `id` into the exception, as it's abstract in the module type and can vary by device. But I guess this is moot with exceptions -- if you're specifically catching and deconstructing it, you know the type of id since you caught it outside of a _. > Since our top-level function is in the auto generated code: > > let () = > OS.Main.run (join [t1 ()]) > > For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? It would be nice if every `job` that was registered would act as a monitor for its top-level exceptions. An exception leaking up to one job shouldn't kill another one even if they're running in the same unikernel. > BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! Excellent! -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:30:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:30:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FMl-0005VE-Cp; Thu, 10 Jul 2014 14:30:31 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FMj-0005Ut-LE for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:30:29 +0000 Received: from [85.158.139.211:54763] by server-8.bemta-5.messagelabs.com id 39/E8-27672-483AEB35; Thu, 10 Jul 2014 14:30:28 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1405002628!9490549!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30285 invoked from network); 10 Jul 2014 14:30:28 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-206.messagelabs.com with SMTP; 10 Jul 2014 14:30:28 -0000 Received: (qmail 9162 invoked by uid 634); 10 Jul 2014 14:30:27 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-212-230.in-addr.btopenworld.com (HELO [10.0.1.39]) (81.149.212.230) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 15:30:27 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 10 Jul 2014 15:30:04 +0100 Message-Id: <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> To: David Scott X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 Jul 2014, at 14:13, David Scott wrote: > This sounds sensible to me. > > When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? We need to be a little careful with adding the device `id` into the exception, as it's abstract in the module type and can vary by device. But I guess this is moot with exceptions -- if you're specifically catching and deconstructing it, you know the type of id since you caught it outside of a _. > Since our top-level function is in the auto generated code: > > let () = > OS.Main.run (join [t1 ()]) > > For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? It would be nice if every `job` that was registered would act as a monitor for its top-level exceptions. An exception leaking up to one job shouldn't kill another one even if they're running in the same unikernel. > BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! Excellent! -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:40:53 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:40:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FWm-0007Yc-88; Thu, 10 Jul 2014 14:40:52 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FWj-0007YV-S5 for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:40:49 +0000 Received: from [85.158.139.211:29016] by server-7.bemta-5.messagelabs.com id 61/74-03657-1F5AEB35; Thu, 10 Jul 2014 14:40:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-206.messagelabs.com!1405003248!9404146!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19694 invoked from network); 10 Jul 2014 14:40:48 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-14.tower-206.messagelabs.com with SMTP; 10 Jul 2014 14:40:48 -0000 Received: (qmail 8292 invoked by uid 634); 10 Jul 2014 14:40:47 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-212-230.in-addr.btopenworld.com (HELO [10.0.1.39]) (81.149.212.230) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 15:40:47 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> Date: Thu, 10 Jul 2014 15:40:45 +0100 Message-Id: References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> To: =?iso-8859-1?Q?Daniel_B=FCnzli?= X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 Jul 2014, at 12:17, Daniel B=FCnzli wro= te: > = > Le jeudi, 10 juillet 2014 =E0 11:47, Anil Madhavapeddy a =E9crit : > = >> Thoughts from others welcome -- I like Thomas' proposal and think that it >> finds the sweet spot between forcing fully generic handling of polymorph= ic >> variants and throwing exceptions everywhere. > = > If these exceptions are not supposed to be catched except at the toplevel= (i.e are really *exceptional*) the proposal is the right design according = to my book. I think that's right. There's no sensible way to handle an unknown error. = Some of them, such as Unimplemented, could be caught locally in theory, but= in practise it's quite surprising if you're using a device that simply has= n't implemented the featureset you want. > = > = > Just one thing, the other exceptions you defined are very clear by readin= g them but this one is suspicious: > = > exception Unknown of string with sexp > = > What's the exact use case for that one ? = > = > * API misuse by a client ? that should be Invalid_argument > * Internal error ? that should be an Assert_error = This was a catch-all from when it was a polymorphic variant, and so I agree= that it isn't needed any more. That's an interesting point though -- is it better to use Pervasives.Invali= d_argument, or define a local Invalid_argument? The only bad implication I= can think of using the Pervasives one is that you might accidentally catch= one that is rippling up from a deeply nested source, which wouldn't happen= if every defines their own exception values. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:40:53 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:40:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FWm-0007Yc-88; Thu, 10 Jul 2014 14:40:52 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FWj-0007YV-S5 for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:40:49 +0000 Received: from [85.158.139.211:29016] by server-7.bemta-5.messagelabs.com id 61/74-03657-1F5AEB35; Thu, 10 Jul 2014 14:40:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-206.messagelabs.com!1405003248!9404146!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19694 invoked from network); 10 Jul 2014 14:40:48 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-14.tower-206.messagelabs.com with SMTP; 10 Jul 2014 14:40:48 -0000 Received: (qmail 8292 invoked by uid 634); 10 Jul 2014 14:40:47 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-212-230.in-addr.btopenworld.com (HELO [10.0.1.39]) (81.149.212.230) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 15:40:47 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> Date: Thu, 10 Jul 2014 15:40:45 +0100 Message-Id: References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> To: =?iso-8859-1?Q?Daniel_B=FCnzli?= X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10 Jul 2014, at 12:17, Daniel B=FCnzli wro= te: > = > Le jeudi, 10 juillet 2014 =E0 11:47, Anil Madhavapeddy a =E9crit : > = >> Thoughts from others welcome -- I like Thomas' proposal and think that it >> finds the sweet spot between forcing fully generic handling of polymorph= ic >> variants and throwing exceptions everywhere. > = > If these exceptions are not supposed to be catched except at the toplevel= (i.e are really *exceptional*) the proposal is the right design according = to my book. I think that's right. There's no sensible way to handle an unknown error. = Some of them, such as Unimplemented, could be caught locally in theory, but= in practise it's quite surprising if you're using a device that simply has= n't implemented the featureset you want. > = > = > Just one thing, the other exceptions you defined are very clear by readin= g them but this one is suspicious: > = > exception Unknown of string with sexp > = > What's the exact use case for that one ? = > = > * API misuse by a client ? that should be Invalid_argument > * Internal error ? that should be an Assert_error = This was a catch-all from when it was a polymorphic variant, and so I agree= that it isn't needed any more. That's an interesting point though -- is it better to use Pervasives.Invali= d_argument, or define a local Invalid_argument? The only bad implication I= can think of using the Pervasives one is that you might accidentally catch= one that is rippling up from a deeply nested source, which wouldn't happen= if every defines their own exception values. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:43:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:43:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FZj-0007bh-Jd; Thu, 10 Jul 2014 14:43:55 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FZi-0007bb-A3 for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:43:54 +0000 Received: from [193.109.254.147:60052] by server-10.bemta-14.messagelabs.com id BB/F8-01431-9A6AEB35; Thu, 10 Jul 2014 14:43:53 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-15.tower-27.messagelabs.com!1405003431!16692577!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23038 invoked from network); 10 Jul 2014 14:43:51 -0000 Received: from engine03-20433-8.icritical.com (HELO engine03-20433-8.icritical.com) (93.159.202.52) by server-15.tower-27.messagelabs.com with SMTP; 10 Jul 2014 14:43:51 -0000 Received: (qmail 21912 invoked from network); 10 Jul 2014 14:42:20 -0000 Received: from localhost (127.0.0.1) by engine03-20433-8.icritical.com with SMTP; 10 Jul 2014 14:42:20 -0000 Received: from engine03-20433-8.icritical.com ([127.0.0.1]) by localhost (engine03-20433-8.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 21099-09 for ; Thu, 10 Jul 2014 15:42:20 +0100 (BST) Received: (qmail 18472 invoked by uid 599); 10 Jul 2014 14:41:01 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-8.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 10 Jul 2014 15:41:01 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X5FVZ-0008W9-Tx; Thu, 10 Jul 2014 15:39:38 +0100 From: Richard Mortier To: Anil Madhavapeddy Date: Thu, 10 Jul 2014 15:39:37 +0100 Thread-Topic: [MirageOS-devel] Error handling in Mirage Thread-Index: Ac+cTMVGeavHq57+TU+FSMtaRfhFfQ== Message-ID: <8525A8EE-1834-426B-AA40-7FE51A6B3BBE@UniofNottm.mail.onmicrosoft.com> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> In-Reply-To: <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-8.icritical.com Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Would it make sense to enforce that there's a pretty printer or sexp representation or something for those abstract types, in the interests of debuggability? That would deal with the abstract type of id etc. Wouldn't it? -- Cheers, R. > On 10 Jul 2014, at 15:34, "Anil Madhavapeddy" wrote: > >> On 10 Jul 2014, at 14:13, David Scott wrote: >> >> This sounds sensible to me. >> >> When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? > > We need to be a little careful with adding the device `id` into the exception, as it's abstract in the module type and can vary by device. But I guess this is moot with exceptions -- if you're specifically catching and deconstructing it, you know the type of id since you caught it outside of a _. > >> Since our top-level function is in the auto generated code: >> >> let () = >> OS.Main.run (join [t1 ()]) >> >> For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? > > It would be nice if every `job` that was registered would act as a monitor for its top-level exceptions. An exception leaking up to one job shouldn't kill another one even if they're running in the same unikernel. > > >> BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! > > Excellent! > > -anil > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:43:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:43:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FZj-0007bh-Jd; Thu, 10 Jul 2014 14:43:55 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FZi-0007bb-A3 for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:43:54 +0000 Received: from [193.109.254.147:60052] by server-10.bemta-14.messagelabs.com id BB/F8-01431-9A6AEB35; Thu, 10 Jul 2014 14:43:53 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-15.tower-27.messagelabs.com!1405003431!16692577!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23038 invoked from network); 10 Jul 2014 14:43:51 -0000 Received: from engine03-20433-8.icritical.com (HELO engine03-20433-8.icritical.com) (93.159.202.52) by server-15.tower-27.messagelabs.com with SMTP; 10 Jul 2014 14:43:51 -0000 Received: (qmail 21912 invoked from network); 10 Jul 2014 14:42:20 -0000 Received: from localhost (127.0.0.1) by engine03-20433-8.icritical.com with SMTP; 10 Jul 2014 14:42:20 -0000 Received: from engine03-20433-8.icritical.com ([127.0.0.1]) by localhost (engine03-20433-8.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 21099-09 for ; Thu, 10 Jul 2014 15:42:20 +0100 (BST) Received: (qmail 18472 invoked by uid 599); 10 Jul 2014 14:41:01 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-8.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 10 Jul 2014 15:41:01 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X5FVZ-0008W9-Tx; Thu, 10 Jul 2014 15:39:38 +0100 From: Richard Mortier To: Anil Madhavapeddy Date: Thu, 10 Jul 2014 15:39:37 +0100 Thread-Topic: [MirageOS-devel] Error handling in Mirage Thread-Index: Ac+cTMVGeavHq57+TU+FSMtaRfhFfQ== Message-ID: <8525A8EE-1834-426B-AA40-7FE51A6B3BBE@UniofNottm.mail.onmicrosoft.com> References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> In-Reply-To: <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> Accept-Language: en-US, en-GB Content-Language: en-GB X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-8.icritical.com Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Would it make sense to enforce that there's a pretty printer or sexp representation or something for those abstract types, in the interests of debuggability? That would deal with the abstract type of id etc. Wouldn't it? -- Cheers, R. > On 10 Jul 2014, at 15:34, "Anil Madhavapeddy" wrote: > >> On 10 Jul 2014, at 14:13, David Scott wrote: >> >> This sounds sensible to me. >> >> When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? > > We need to be a little careful with adding the device `id` into the exception, as it's abstract in the module type and can vary by device. But I guess this is moot with exceptions -- if you're specifically catching and deconstructing it, you know the type of id since you caught it outside of a _. > >> Since our top-level function is in the auto generated code: >> >> let () = >> OS.Main.run (join [t1 ()]) >> >> For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? > > It would be nice if every `job` that was registered would act as a monitor for its top-level exceptions. An exception leaking up to one job shouldn't kill another one even if they're running in the same unikernel. > > >> BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! > > Excellent! > > -anil > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:48:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:48:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FeU-0007y3-IU; Thu, 10 Jul 2014 14:48:50 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FeS-0007xa-Ii for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:48:48 +0000 Received: from [85.158.143.35:61707] by server-3.bemta-4.messagelabs.com id 10/90-16194-FC7AEB35; Thu, 10 Jul 2014 14:48:47 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-21.messagelabs.com!1405003726!13681122!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8654 invoked from network); 10 Jul 2014 14:48:47 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-21.messagelabs.com with SMTP; 10 Jul 2014 14:48:47 -0000 Received: (qmail 7493 invoked by uid 634); 10 Jul 2014 14:48:46 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-212-230.in-addr.btopenworld.com (HELO [10.0.1.39]) (81.149.212.230) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 15:48:42 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <8525A8EE-1834-426B-AA40-7FE51A6B3BBE@UniofNottm.mail.onmicrosoft.com> Date: Thu, 10 Jul 2014 15:48:40 +0100 Message-Id: References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> <8525A8EE-1834-426B-AA40-7FE51A6B3BBE@UniofNottm.mail.onmicrosoft.com> To: Richard Mortier X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Yes, every interface will expose a `with sexp` representation to permit it to be converted into a stable serialized form. -anil On 10 Jul 2014, at 15:39, Richard Mortier wrote: > Would it make sense to enforce that there's a pretty printer or sexp representation or something for those abstract types, in the interests of debuggability? That would deal with the abstract type of id etc. Wouldn't it? > > -- > Cheers, > > R. > > > >> On 10 Jul 2014, at 15:34, "Anil Madhavapeddy" wrote: >> >>> On 10 Jul 2014, at 14:13, David Scott wrote: >>> >>> This sounds sensible to me. >>> >>> When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? >> >> We need to be a little careful with adding the device `id` into the exception, as it's abstract in the module type and can vary by device. But I guess this is moot with exceptions -- if you're specifically catching and deconstructing it, you know the type of id since you caught it outside of a _. >> >>> Since our top-level function is in the auto generated code: >>> >>> let () = >>> OS.Main.run (join [t1 ()]) >>> >>> For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? >> >> It would be nice if every `job` that was registered would act as a monitor for its top-level exceptions. An exception leaking up to one job shouldn't kill another one even if they're running in the same unikernel. >> >> >>> BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! >> >> Excellent! >> >> -anil >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:48:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:48:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FeU-0007y3-IU; Thu, 10 Jul 2014 14:48:50 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5FeS-0007xa-Ii for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:48:48 +0000 Received: from [85.158.143.35:61707] by server-3.bemta-4.messagelabs.com id 10/90-16194-FC7AEB35; Thu, 10 Jul 2014 14:48:47 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-21.messagelabs.com!1405003726!13681122!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8654 invoked from network); 10 Jul 2014 14:48:47 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-21.messagelabs.com with SMTP; 10 Jul 2014 14:48:47 -0000 Received: (qmail 7493 invoked by uid 634); 10 Jul 2014 14:48:46 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host81-149-212-230.in-addr.btopenworld.com (HELO [10.0.1.39]) (81.149.212.230) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 10 Jul 2014 15:48:42 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: <8525A8EE-1834-426B-AA40-7FE51A6B3BBE@UniofNottm.mail.onmicrosoft.com> Date: Thu, 10 Jul 2014 15:48:40 +0100 Message-Id: References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <5351991B-5233-4A03-9CDB-CA07E1FE9C20@recoil.org> <8525A8EE-1834-426B-AA40-7FE51A6B3BBE@UniofNottm.mail.onmicrosoft.com> To: Richard Mortier X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Yes, every interface will expose a `with sexp` representation to permit it to be converted into a stable serialized form. -anil On 10 Jul 2014, at 15:39, Richard Mortier wrote: > Would it make sense to enforce that there's a pretty printer or sexp representation or something for those abstract types, in the interests of debuggability? That would deal with the abstract type of id etc. Wouldn't it? > > -- > Cheers, > > R. > > > >> On 10 Jul 2014, at 15:34, "Anil Madhavapeddy" wrote: >> >>> On 10 Jul 2014, at 14:13, David Scott wrote: >>> >>> This sounds sensible to me. >>> >>> When debugging one of these fatal errors (e.g. 'Disconnected' which means: someone called 'disconnect' and then tried 'read' or 'write' afterwards) it would be useful to have more context. For example it would probably be good to add the device id to the exception so we know which disk it relates to. This could help us infer that the buggy code is in the FS driver running on disk 2 and not the irmin backend on disk 1. There might be other useful context which is more implementation-specific. We could either just log this to the console or we could encode it up as an Sexp.t and attach that to the exception too? >> >> We need to be a little careful with adding the device `id` into the exception, as it's abstract in the module type and can vary by device. But I guess this is moot with exceptions -- if you're specifically catching and deconstructing it, you know the type of id since you caught it outside of a _. >> >>> Since our top-level function is in the auto generated code: >>> >>> let () = >>> OS.Main.run (join [t1 ()]) >>> >>> For every exception we declare in our interface, should we pre-create a default exception handler which pretty-prints it? This could also explain to the unlucky user that this is a bug and should be reported on the issue tracker? >> >> It would be nice if every `job` that was registered would act as a monitor for its top-level exceptions. An exception leaking up to one job shouldn't kill another one even if they're running in the same unikernel. >> >> >>> BTW I've now forked the V1 interfaces into a V2, so feel free to propose concrete changes as pull requests! >> >> Excellent! >> >> -anil >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 14:59:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 14:59:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Fp7-0000Z3-Jp; Thu, 10 Jul 2014 14:59:49 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Fp6-0000Yk-9r for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 14:59:48 +0000 Received: from [85.158.137.68:62894] by server-5.bemta-3.messagelabs.com id B2/F5-15381-36AAEB35; Thu, 10 Jul 2014 14:59:47 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-11.tower-31.messagelabs.com!1405004386!15215321!1 X-Originating-IP: [74.55.86.74] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNzQuNTUuODYuNzQgPT4gMzA4NTYz\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10472 invoked from network); 10 Jul 2014 14:59:46 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-11.tower-31.messagelabs.com with SMTP; 10 Jul 2014 14:59:46 -0000 Received: from [172.20.10.2] (188.29.165.150.threembb.co.uk [188.29.165.150]) by smtp.webfaction.com (Postfix) with ESMTP id 24A1C20BD5D7; Thu, 10 Jul 2014 14:59:44 +0000 (UTC) Date: Thu, 10 Jul 2014 15:59:40 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Anil Madhavapeddy Message-ID: <81605A7B03F141EE83AC84AB28C05489@erratique.ch> In-Reply-To: References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: David Scott , "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Thu, 10 Jul 2014 14:59:44 +0000 (UTC) Date: Thu, 10 Jul 2014 15:59:40 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Anil Madhavapeddy Message-ID: <81605A7B03F141EE83AC84AB28C05489@erratique.ch> In-Reply-To: References: <932CA94B-D235-43C7-8430-E2A487BBC397@recoil.org> <0CA47AA1C6DB4928A90105732B26FA2F@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: David Scott , "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" Subject: Re: [MirageOS-devel] Error handling in Mirage X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org CgpMZSBqZXVkaSwgMTAganVpbGxldCAyMDE0IMOgIDE1OjQwLCBBbmlsIE1hZGhhdmFwZWRkeSBh IMOpY3JpdCA6Cgo+IFRoYXQncyBhbiBpbnRlcmVzdGluZyBwb2ludCB0aG91Z2ggLS0gaXMgaXQg YmV0dGVyIHRvIHVzZSBQZXJ2YXNpdmVzLkludmFsaWRfYXJndW1lbnQsIG9yIGRlZmluZSBhIGxv Y2FsIEludmFsaWRfYXJndW1lbnQ/IFRoZSBvbmx5IGJhZCBpbXBsaWNhdGlvbiBJIGNhbiB0aGlu ayBvZiB1c2luZyB0aGUgUGVydmFzaXZlcyBvbmUgaXMgdGhhdCB5b3UgbWlnaHQgYWNjaWRlbnRh bGx5IGNhdGNoIG9uZSB0aGF0IGlzIHJpcHBsaW5nIHVwIGZyb20gYSBkZWVwbHkgbmVzdGVkIHNv dXJjZSwgd2hpY2ggd291bGRuJ3QgaGFwcGVuIGlmIGV2ZXJ5IGRlZmluZXMgdGhlaXIgb3duIGV4 Y2VwdGlvbiB2YWx1ZXMuCgpBcyB3ZSBkaXNjdXNzZWQgdGhlIG90aGVyIGRheSwgdGhlIHNlbWFu dGljcyBvZiBQZXJ2YXNpdmVzLkludmFsaWRfYXJndW1lbnQgaXMgc3VjaCB0aGF0IGl0IHNob3Vs ZCAqbmV2ZXIqIGJlIGNhdWdodC4gSXQgZGVub3RlcyBhIHByb2dyYW1taW5nIGVycm9yIGZyb20g dGhlIGNsaWVudCBvZiB0aGUgbGlicmFyeSAoaW4gdGhlIHdvcnN0IGNhc2UgeW91ciBwcm9ncmFt IG1heSBiZSBpbiBhIGJhZCBzdGF0ZSkuIEZyb20gWzFdOgoKICBJbnZhbGlkX2FyZ3VtZW50IGlz IHZlcnkgbXVjaCBsaWtlIGEgZmFpbGVkIGFzc2VydGlvbjogaXQgaW5kaWNhdGVzCiAgdGhhdCBz b21ldGhpbmcgaXMgd3JvbmcgaW4gdGhlIHByb2dyYW0gaXRzZWxmLCBb4oCmXSBNb3N0IHByb2dy YW1zIHdpbGwgIAogIG5vdCBjYXRjaCBJbnZhbGlkX2FyZ3VtZW50LCB0cmVhdGluZyBhcyBhIGZh dGFsIGVycm9yLiBPdGhlcnMgd2lsbCBjYXRjaCBpdCwKICBidXQgb25seSB0byBlbnRlciBhIHBp ZWNlIG9mIGdlbmVyaWMgInJlY292ZXIgZnJvbSB1bmV4cGVjdGVkIGVycm9yIgogIGNvZGUuCgoK ICBbLi4uXQoKICBJIHJlY29tbWVuZCB0aGUgdXNlIG9mIEludmFsaWRfYXJndW1lbnQgdG8gcmVw b3J0ICJzaG91bGQgbmV2ZXIKICBoYXBwZW4iIGNvbmRpdGlvbnMgYXQgdGhlIGJvdW5kYXJ5IGJl dHdlZW4gbGlicmFyeSBmdW5jdGlvbnMgYW5kIHVzZXIKICBjb2RlLgoKCkFzIGZvciBldmVyeW9u ZXMgZGVmaW5pbmcgdGhlaXIgb3duIGV4Y2VwdGlvbiwgcGVvcGxlIGFyZSBqdXN0IGdvaW5nIHRv IHVzZSBjYXRjaCBhbGwgaGFuZGxlcnMgYWxsIG92ZXIgdGhlIHBsYWNlc+KApiBzbyBpdCBtYXkg bm90IGJlIGEgZ29vZCBpZGVhLiAgCgpCZXN0LAoKRGFuaWVsCgpbMV0gaHR0cHM6Ly9zeW1wYS5p bnJpYS5mci9zeW1wYS9hcmMvY2FtbC1saXN0LzIwMDctMTAvbXNnMDA0NzUuaHRtbAoKCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZl bCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDov L2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1k ZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 16:40:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 16:40:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5HOw-0002lp-Bs; Thu, 10 Jul 2014 16:40:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5HOv-0002lS-EK for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 16:40:53 +0000 Received: from [85.158.139.211:44204] by server-16.bemta-5.messagelabs.com id AB/41-18862-412CEB35; Thu, 10 Jul 2014 16:40:52 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1405010450!14855982!1 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23150 invoked from network); 10 Jul 2014 16:40:52 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Jul 2014 16:40:52 -0000 X-IronPort-AV: E=Sophos;i="5.01,638,1400025600"; d="scan'208";a="151455113" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP; 10 Jul 2014 16:40:26 +0000 Received: from kazak.uk.xensource.com (10.80.2.80) by FTLPEX01CL01.citrite.net (10.13.107.78) with Microsoft SMTP Server id 14.3.181.6; Thu, 10 Jul 2014 12:40:25 -0400 Message-ID: <1405010424.7406.1.camel@kazak.uk.xensource.com> From: Ian Campbell To: Date: Thu, 10 Jul 2014 17:40:24 +0100 In-Reply-To: <53BD5C45.807@xen.org> References: <53BD5C45.807@xen.org> Organization: Citrix Systems, Inc. X-Mailer: Evolution 3.12.2-1 MIME-Version: 1.0 X-Originating-IP: [10.80.2.80] X-DLP: MIA1 Cc: "xen-api@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [Input Needed] GitDM Config files & privacy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Wed, 2014-07-09 at 16:14 +0100, Lars Kurth wrote: > Hi all, > > I was in the process of publishing GitDM including config files in my > personal xenbits repository, such that other community members can run > contribution stats. However the config files contain email addresses and > thus there may be a potential privacy issue. Config files contain > * e-mail domain to employer mappings > * some e-mail address to employer mappings > * email address aliases mappings > * email address to name mappings (for acknowledgements) > > Most of the information in them are public in the first place (i.e. they > are available from git logs and mailing lists). > > I know that open source foundations such as OpenStack publish their > GitDM config files and I also found some other ones flying around. > > But before I publish anything I did want to check whether there are > objections. For stuff gleaned from public info it seems ok. But for stuff which was taken from private conversations I think you probably ought to ask if it is ok to share it (and get into the habit of doing so when you first ask someone who there employer is). Ian. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 16:40:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 16:40:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5HOw-0002lp-Bs; Thu, 10 Jul 2014 16:40:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5HOv-0002lS-EK for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 16:40:53 +0000 Received: from [85.158.139.211:44204] by server-16.bemta-5.messagelabs.com id AB/41-18862-412CEB35; Thu, 10 Jul 2014 16:40:52 +0000 X-Env-Sender: Ian.Campbell@citrix.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1405010450!14855982!1 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23150 invoked from network); 10 Jul 2014 16:40:52 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Jul 2014 16:40:52 -0000 X-IronPort-AV: E=Sophos;i="5.01,638,1400025600"; d="scan'208";a="151455113" Received: from accessns.citrite.net (HELO FTLPEX01CL01.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP; 10 Jul 2014 16:40:26 +0000 Received: from kazak.uk.xensource.com (10.80.2.80) by FTLPEX01CL01.citrite.net (10.13.107.78) with Microsoft SMTP Server id 14.3.181.6; Thu, 10 Jul 2014 12:40:25 -0400 Message-ID: <1405010424.7406.1.camel@kazak.uk.xensource.com> From: Ian Campbell To: Date: Thu, 10 Jul 2014 17:40:24 +0100 In-Reply-To: <53BD5C45.807@xen.org> References: <53BD5C45.807@xen.org> Organization: Citrix Systems, Inc. X-Mailer: Evolution 3.12.2-1 MIME-Version: 1.0 X-Originating-IP: [10.80.2.80] X-DLP: MIA1 Cc: "xen-api@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [Input Needed] GitDM Config files & privacy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Wed, 2014-07-09 at 16:14 +0100, Lars Kurth wrote: > Hi all, > > I was in the process of publishing GitDM including config files in my > personal xenbits repository, such that other community members can run > contribution stats. However the config files contain email addresses and > thus there may be a potential privacy issue. Config files contain > * e-mail domain to employer mappings > * some e-mail address to employer mappings > * email address aliases mappings > * email address to name mappings (for acknowledgements) > > Most of the information in them are public in the first place (i.e. they > are available from git logs and mailing lists). > > I know that open source foundations such as OpenStack publish their > GitDM config files and I also found some other ones flying around. > > But before I publish anything I did want to check whether there are > objections. For stuff gleaned from public info it seems ok. But for stuff which was taken from private conversations I think you probably ought to ask if it is ok to share it (and get into the habit of doing so when you first ask someone who there employer is). Ian. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 20:20:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 20:20:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Kpk-00030n-FJ; Thu, 10 Jul 2014 20:20:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Kpi-00030h-C8 for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 20:20:46 +0000 Received: from [85.158.137.68:24263] by server-17.bemta-3.messagelabs.com id 47/75-05521-D95FEB35; Thu, 10 Jul 2014 20:20:45 +0000 X-Env-Sender: jamesjb@galois.com X-Msg-Ref: server-6.tower-31.messagelabs.com!1405023642!10794911!1 X-Originating-IP: [66.193.37.198] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7438 invoked from network); 10 Jul 2014 20:20:44 -0000 Received: from quintic.galois.com (HELO mail.galois.com) (66.193.37.198) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Jul 2014 20:20:44 -0000 Received: from hurricane.galois.com (hurricane.galois.com [IPv6:2001:4870:e08e:200:5054:ff:fefa:ce41]) by mail.galois.com (8.14.4/8.14.4) with ESMTP id s6AKKbvg002894 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Jul 2014 13:20:41 -0700 Received: from [IPv6:2001:4870:e08e:201:3e97:eff:fe4c:febb] ([IPv6:2001:4870:e08e:201:3e97:eff:fe4c:febb]) (authenticated bits=0) by hurricane.galois.com (8.14.4/8.14.4) with ESMTP id s6AKKbuG011961 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Thu, 10 Jul 2014 13:20:37 -0700 Message-ID: <53BEF595.5020103@galois.com> Date: Thu, 10 Jul 2014 13:20:37 -0700 From: James Bielman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org X-Enigmail-Version: 1.5.2 X-Spam-Status: No, score=-1.2 required=4.5 tests=BAYES_00,RP_MATCHES_RCVD shortcircuit=no autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on quintic.galois.com Subject: [MirageOS-devel] Xenstore_ring deadlocks in Mirage Xenstore X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4447726839041248920==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a cryptographically signed message in MIME format. --===============4447726839041248920== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms030101010207000207010601" This is a cryptographically signed message in MIME format. --------------ms030101010207000207010601 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi all, I'm doing some testing of our Xenstore/Flask patches and I'm noticing an intermittent problem with the interdomain communication locking up. We are using "ocaml-xenstore-xen" forked from: https://github.com/djs55/ocaml-xenstore-xen into our "xenstore_mac" branch at: https://github.com/GaloisInc/ocaml-xenstore-xen I'm starting the Xenstore kernel with the "init-xenstore-domain" tool. Most of the time, this works perfectly, but occasionally Xenstore sees an event notification that data is available for reading, but the Xenstore ring contains no data (it seems to always contain all zeros). The problem doesn't seem to be with event signalling, because I can replace the "block" with a "sleep" and it repeatedly sleeps reading an empty queue. It feels like a race condition to me, perhaps related to the fact that dom0 is writing to the Xenstore ring before the Xenstore domain is unpaused (during IOCTL_XENBUS_BACKEND_SETUP). Has anyone encountered this issue before, or have any insight into tracking it down? Thanks, James --------------ms030101010207000207010601 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIFHjCC BRowggQCoAMCAQICAgCQMA0GCSqGSIb3DQEBBQUAMH0xCzAJBgNVBAYTAlVTMQswCQYDVQQI EwJPUjERMA8GA1UEBxMIUG9ydGxhbmQxFTATBgNVBAoTDEdhbG9pcywgSW5jLjEYMBYGA1UE AxMPR2Fsb2lzLCBJbmMuIENBMR0wGwYJKoZIhvcNAQkBFg5wa2lAZ2Fsb2lzLmNvbTAeFw0x MjExMzAxODIyMTZaFw0yMjExMjgxODIyMTZaMH4xCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJP UjERMA8GA1UEBxMIUG9ydGxhbmQxDzANBgNVBAoTBkdhbG9pczEbMBkGA1UEAxQSamFtZXNq YkBnYWxvaXMuY29tMSEwHwYJKoZIhvcNAQkBFhJqYW1lc2piQGdhbG9pcy5jb20wggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC3CjRSouE3IxZdvyu+cbA4JmEebZYUNqTBKecP uLZzsR5b2RPOMQ/hqDbd+NdpVAmu1K5wJEPrsp2FlCO0jA3QTnF4G7Aj2Jdx05wgEC1MYqre /98z497vDbstnwnb9cAGjaBUR/AfDTZkFjc9x8fFzDAWiy0e4KJcgtthUH/zdAKd3GyuoK1U 5/VGsXmQA+J1Axmc9VaAgPXV5zWoJDNw3BE4VPVSMU8srG4258Cz4OVXAa/IXCBE/uJBpEOa MPqsJiGCrFw+g8T88kU2h0OU+otoZV3z9GUl74gMUm/XyYq5s31ecvxqCf39CAqRv7IaJ2bL khWcZUD35wMgdJy3AgMBAAGjggGhMIIBnTAJBgNVHRMEAjAAMAsGA1UdDwQEAwIE8DAdBgNV HSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwQwEQYJYIZIAYb4QgEBBAQDAgWgMDAGCWCGSAGG +EIBDQQjFiFHYWxvaXMsIEluYy4gRW1wbG95ZWUgQ2VydGlmaWNhdGUwHQYDVR0OBBYEFHcR qULmY2QjsD6LvPnmkW9S0CQ4MIGwBgNVHSMEgagwgaWAFCYG1nG5N3/5BUQanZu3waDVos9M oYGBpH8wfTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk9SMREwDwYDVQQHEwhQb3J0bGFuZDEV MBMGA1UEChMMR2Fsb2lzLCBJbmMuMRgwFgYDVQQDEw9HYWxvaXMsIEluYy4gQ0ExHTAbBgkq hkiG9w0BCQEWDnBraUBnYWxvaXMuY29tggkA8XOKTTKW0VwwMQYDVR0fBCowKDAmoCSgIoYg aHR0cDovL3d3dy5nYWxvaXMuY29tL2NhL2NybC5wZW0wGgYDVR0eBBMwEaAPMA2BCy5nYWxv aXMuY29tMA0GCSqGSIb3DQEBBQUAA4IBAQCudvJHL+99usR+MO+8Ts2aifzgO915cCXEm6Bc 1xdMnwjYZyKTru2Zaq/2MHVcXgwkXRbtza9E/Bu52m9PqznwwE1LJ1YEhuLuztG+GyI3Ml+x qVwhuy2dn9COdNrW/Zt0JeICJdhcJNbeO/mPB9fXvmht3ddbFnfgsEYJcliDFPXZ4dpLj/wz dyQZ1GUfXKR0cQfArq713Vve1Cl/XyFsu7G13kYgTT3CbRDYf1m6+njvYG36I8WjYq42Hhe/ BhBTYg6hF/yvgm0QddVHLXQIPwKjxrshoXER38i88tKzq04czEuDlWB5OpyBY1Jajj4eQKso OwfNYNZod9yL61S3MYIDqjCCA6YCAQEwgYMwfTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk9S MREwDwYDVQQHEwhQb3J0bGFuZDEVMBMGA1UEChMMR2Fsb2lzLCBJbmMuMRgwFgYDVQQDEw9H YWxvaXMsIEluYy4gQ0ExHTAbBgkqhkiG9w0BCQEWDnBraUBnYWxvaXMuY29tAgIAkDAJBgUr DgMCGgUAoIIB+zAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0x NDA3MTAyMDIwMzdaMCMGCSqGSIb3DQEJBDEWBBQH1CpuRmGcZulu2h5ofgJ20WL/jTBsBgkq hkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjALBglghkgBZQMEAQIwCgYIKoZIhvcNAwcwDgYI KoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFAMAcGBSsOAwIHMA0GCCqGSIb3DQMCAgEoMIGU BgkrBgEEAYI3EAQxgYYwgYMwfTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk9SMREwDwYDVQQH EwhQb3J0bGFuZDEVMBMGA1UEChMMR2Fsb2lzLCBJbmMuMRgwFgYDVQQDEw9HYWxvaXMsIElu Yy4gQ0ExHTAbBgkqhkiG9w0BCQEWDnBraUBnYWxvaXMuY29tAgIAkDCBlgYLKoZIhvcNAQkQ AgsxgYaggYMwfTELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAk9SMREwDwYDVQQHEwhQb3J0bGFu ZDEVMBMGA1UEChMMR2Fsb2lzLCBJbmMuMRgwFgYDVQQDEw9HYWxvaXMsIEluYy4gQ0ExHTAb BgkqhkiG9w0BCQEWDnBraUBnYWxvaXMuY29tAgIAkDANBgkqhkiG9w0BAQEFAASCAQCDq9+C 7nun8aMfSOfc3SVNq/oRT2b/RToK0Gpk6TEB0TmEWpjP1w0K3WujAXzsRqF6KAcgKTLG5bQ5 k6WSIuJegWZjAPnB5udNNGlibv6hRV3hTGTpnkgPDDciufDV7GEEKvxv1ORz1kHGnn6SnQvh Rw4eDSi7daSklppZLrGRPwGYpzgd2cRZhTo3MZqGj5fhd26RDdil3iclblKSaDVCZ79+DXq9 vcKkQMAx1BpFtZ3ttwgnRyLXSdNnlb6x8yIPPZmUJzHrAHXvj/Vwfol0YBYxoSi5i1KARKIe 25/xkQzVW1cgeOB6bnifs9lM9S5oNme0GuX04Gb1zx582MS0AAAAAAAA --------------ms030101010207000207010601-- --===============4447726839041248920== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4447726839041248920==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 20:20:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 20:20:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Kpk-00030n-FJ; Thu, 10 Jul 2014 20:20:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5Kpi-00030h-C8 for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 20:20:46 +0000 Received: from [85.158.137.68:24263] by server-17.bemta-3.messagelabs.com id 47/75-05521-D95FEB35; Thu, 10 Jul 2014 20:20:45 +0000 X-Env-Sender: jamesjb@galois.com X-Msg-Ref: server-6.tower-31.messagelabs.com!1405023642!10794911!1 X-Originating-IP: [66.193.37.198] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7438 invoked from network); 10 Jul 2014 20:20:44 -0000 Received: from quintic.galois.com (HELO mail.galois.com) (66.193.37.198) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Jul 2014 20:20:44 -0000 Received: from hurricane.galois.com (hurricane.galois.com [IPv6:2001:4870:e08e:200:5054:ff:fefa:ce41]) by mail.galois.com (8.14.4/8.14.4) with ESMTP id s6AKKbvg002894 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 Jul 2014 13:20:41 -0700 Received: from [IPv6:2001:4870:e08e:201:3e97:eff:fe4c:febb] ([IPv6:2001:4870:e08e:201:3e97:eff:fe4c:febb]) (authenticated bits=0) by hurricane.galois.com (8.14.4/8.14.4) with ESMTP id s6AKKbuG011961 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO) for ; Thu, 10 Jul 2014 13:20:37 -0700 Message-ID: <53BEF595.5020103@galois.com> Date: Thu, 10 Jul 2014 13:20:37 -0700 From: James Bielman User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org X-Enigmail-Version: 1.5.2 X-Spam-Status: No, score=-1.2 required=4.5 tests=BAYES_00,RP_MATCHES_RCVD shortcircuit=no autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on quintic.galois.com Subject: [MirageOS-devel] Xenstore_ring deadlocks in Mirage Xenstore X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4447726839041248920==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a cryptographically signed message in MIME format. --===============4447726839041248920== Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms030101010207000207010601" This is a cryptographically signed message in MIME format. --------------ms030101010207000207010601 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi all, I'm doing some testing of our Xenstore/Flask patches and I'm noticing an intermittent problem with the interdomain communication locking up. We are using "ocaml-xenstore-xen" forked from: https://github.com/djs55/ocaml-xenstore-xen into our "xenstore_mac" branch at: https://github.com/GaloisInc/ocaml-xenstore-xen I'm starting the Xenstore kernel with the "init-xenstore-domain" tool. Most of the time, this works perfectly, but occasionally Xenstore sees an event notification that data is available for reading, but the Xenstore ring contains no data (it seems to always contain all zeros). The problem doesn't seem to be with event signalling, because I can replace the "block" with a "sleep" and it repeatedly sleeps reading an empty queue. It feels like a race condition to me, perhaps related to the fact that dom0 is writing to the Xenstore ring before the Xenstore domain is unpaused (during IOCTL_XENBUS_BACKEND_SETUP). Has anyone encountered this issue before, or have any insight into tracking it down? 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charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4447726839041248920==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 20:47:36 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 20:47:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5LFe-0003Gx-ST; Thu, 10 Jul 2014 20:47:34 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5LFd-0003Gs-FA for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 20:47:33 +0000 Received: from [85.158.139.211:40522] by server-11.bemta-5.messagelabs.com id 92/78-01425-4EBFEB35; Thu, 10 Jul 2014 20:47:32 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1405025251!14857299!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 831 invoked from network); 10 Jul 2014 20:47:31 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-6.tower-206.messagelabs.com with SMTP; 10 Jul 2014 20:47:31 -0000 X-IronPort-AV: E=Sophos;i="5.01,639,1400025600"; d="scan'208";a="22998303" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 10 Jul 2014 20:47:07 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Thu, 10 Jul 2014 22:47:07 +0200 From: Dave Scott To: James Bielman Thread-Topic: [MirageOS-devel] Xenstore_ring deadlocks in Mirage Xenstore Thread-Index: AQHPnHx3Ul12mze37Eek0OXftSEgqJuZpbYA Date: Thu, 10 Jul 2014 20:47:06 +0000 Message-ID: <3949599C-4E50-4B2B-8436-0B7349A1CFC2@citrix.com> References: <53BEF595.5020103@galois.com> In-Reply-To: <53BEF595.5020103@galois.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: <765E3F18ECF49C4EB23FCFD680697C53@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Xenstore_ring deadlocks in Mirage Xenstore X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi James, On 10 Jul 2014, at 21:20, James Bielman wrote: > Hi all, > = > I'm doing some testing of our Xenstore/Flask patches and I'm noticing an > intermittent problem with the interdomain communication locking up. > = > We are using "ocaml-xenstore-xen" forked from: > = > https://github.com/djs55/ocaml-xenstore-xen > = > into our "xenstore_mac" branch at: > = > https://github.com/GaloisInc/ocaml-xenstore-xen > = > I'm starting the Xenstore kernel with the "init-xenstore-domain" tool. > = > Most of the time, this works perfectly, but occasionally Xenstore sees > an event notification that data is available for reading, but the > Xenstore ring contains no data (it seems to always contain all zeros). Does the ring recover after this or has it become stuck? Does the problem a= ffect other domain rings or is it just dom0? > = > The problem doesn't seem to be with event signalling, because I can > replace the "block" with a "sleep" and it repeatedly sleeps reading an > empty queue. > = > It feels like a race condition to me, perhaps related to the fact that > dom0 is writing to the Xenstore ring before the Xenstore domain is > unpaused (during IOCTL_XENBUS_BACKEND_SETUP). > = > Has anyone encountered this issue before, or have any insight into > tracking it down? It should be ok for dom0 to write to the ring before the domain is unpaused= , although in this situation I would worry more about events going missing = than spurious extra events turning up :-) I can=92t remember off the top of= my head what the event channel bitmap is set to when the domain is built = =97 worth checking, perhaps the bitmap is being left undefined and sometime= s contains a =911=92 in the critical spot. I=92ve had problems before when I replaced the code which updates the consu= mer and producer pointers with a Cstruct.set_uint32, which internally used = ocplib-endian, which used a C function which executed unaligned byte-by-byt= e loads and stores when compiled with particular compiler versions (ocplib-= endian conditionally compiles code depending on the compiler version). Thes= e byte-by-byte operations exposed intermediate/currupted values to the clie= nt. Occasionally a pointer would be seen incrementing 0xff -> 0x1ff -> 0x10= 0, causing the client to read 0xff extra bytes which were often zero. By th= e time I got in there with a diagnostic tool, the initial corruption was go= ne. It=92s worth checking that your code has the fix (which was to use cust= om C stubs to perform regular loads and stores via uint32_t*) If the notification is being seen too early (before the ring data has been = updated), perhaps there=92s a bug in the Linux xenstore client in dom0? I k= now of one other bug in the Linux client which causes watch events and watc= h responses to become permuted (especially if xenstored responds quickly). = This manifests in libxenstore=92s watch code failing. Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 10 20:47:36 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 10 Jul 2014 20:47:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5LFe-0003Gx-ST; Thu, 10 Jul 2014 20:47:34 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5LFd-0003Gs-FA for mirageos-devel@lists.xenproject.org; Thu, 10 Jul 2014 20:47:33 +0000 Received: from [85.158.139.211:40522] by server-11.bemta-5.messagelabs.com id 92/78-01425-4EBFEB35; Thu, 10 Jul 2014 20:47:32 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-6.tower-206.messagelabs.com!1405025251!14857299!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 831 invoked from network); 10 Jul 2014 20:47:31 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-6.tower-206.messagelabs.com with SMTP; 10 Jul 2014 20:47:31 -0000 X-IronPort-AV: E=Sophos;i="5.01,639,1400025600"; d="scan'208";a="22998303" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 10 Jul 2014 20:47:07 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Thu, 10 Jul 2014 22:47:07 +0200 From: Dave Scott To: James Bielman Thread-Topic: [MirageOS-devel] Xenstore_ring deadlocks in Mirage Xenstore Thread-Index: AQHPnHx3Ul12mze37Eek0OXftSEgqJuZpbYA Date: Thu, 10 Jul 2014 20:47:06 +0000 Message-ID: <3949599C-4E50-4B2B-8436-0B7349A1CFC2@citrix.com> References: <53BEF595.5020103@galois.com> In-Reply-To: <53BEF595.5020103@galois.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: <765E3F18ECF49C4EB23FCFD680697C53@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Xenstore_ring deadlocks in Mirage Xenstore X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi James, On 10 Jul 2014, at 21:20, James Bielman wrote: > Hi all, > = > I'm doing some testing of our Xenstore/Flask patches and I'm noticing an > intermittent problem with the interdomain communication locking up. > = > We are using "ocaml-xenstore-xen" forked from: > = > https://github.com/djs55/ocaml-xenstore-xen > = > into our "xenstore_mac" branch at: > = > https://github.com/GaloisInc/ocaml-xenstore-xen > = > I'm starting the Xenstore kernel with the "init-xenstore-domain" tool. > = > Most of the time, this works perfectly, but occasionally Xenstore sees > an event notification that data is available for reading, but the > Xenstore ring contains no data (it seems to always contain all zeros). Does the ring recover after this or has it become stuck? Does the problem a= ffect other domain rings or is it just dom0? > = > The problem doesn't seem to be with event signalling, because I can > replace the "block" with a "sleep" and it repeatedly sleeps reading an > empty queue. > = > It feels like a race condition to me, perhaps related to the fact that > dom0 is writing to the Xenstore ring before the Xenstore domain is > unpaused (during IOCTL_XENBUS_BACKEND_SETUP). > = > Has anyone encountered this issue before, or have any insight into > tracking it down? It should be ok for dom0 to write to the ring before the domain is unpaused= , although in this situation I would worry more about events going missing = than spurious extra events turning up :-) I can=92t remember off the top of= my head what the event channel bitmap is set to when the domain is built = =97 worth checking, perhaps the bitmap is being left undefined and sometime= s contains a =911=92 in the critical spot. I=92ve had problems before when I replaced the code which updates the consu= mer and producer pointers with a Cstruct.set_uint32, which internally used = ocplib-endian, which used a C function which executed unaligned byte-by-byt= e loads and stores when compiled with particular compiler versions (ocplib-= endian conditionally compiles code depending on the compiler version). Thes= e byte-by-byte operations exposed intermediate/currupted values to the clie= nt. Occasionally a pointer would be seen incrementing 0xff -> 0x1ff -> 0x10= 0, causing the client to read 0xff extra bytes which were often zero. By th= e time I got in there with a diagnostic tool, the initial corruption was go= ne. It=92s worth checking that your code has the fix (which was to use cust= om C stubs to perform regular loads and stores via uint32_t*) If the notification is being seen too early (before the ring data has been = updated), perhaps there=92s a bug in the Linux xenstore client in dom0? I k= now of one other bug in the Linux client which causes watch events and watc= h responses to become permuted (especially if xenstored responds quickly). = This manifests in libxenstore=92s watch code failing. Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 11 17:17:15 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 11 Jul 2014 17:17:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5eRY-0002mB-Gz; Fri, 11 Jul 2014 17:17:08 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5eRX-0002m3-OA for mirageos-devel@lists.xenproject.org; Fri, 11 Jul 2014 17:17:07 +0000 Received: from [193.109.254.147:5180] by server-5.bemta-14.messagelabs.com id 78/F8-07680-31C10C35; Fri, 11 Jul 2014 17:17:07 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1405099026!16975258!1 X-Originating-IP: [157.55.2.41] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_20_30,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31942 invoked from network); 11 Jul 2014 17:17:06 -0000 Received: from dub004-omc3s32.hotmail.com (HELO DUB004-OMC3S32.hotmail.com) (157.55.2.41) by server-14.tower-27.messagelabs.com with AES128-SHA encrypted SMTP; 11 Jul 2014 17:17:06 -0000 Received: from DUB128-W19 ([157.55.2.7]) by DUB004-OMC3S32.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Fri, 11 Jul 2014 10:17:05 -0700 X-TMN: [+i9F/sfzFZjKAXAOpsjQ/CtwNgBATxnv] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Fri, 11 Jul 2014 17:17:05 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 11 Jul 2014 17:17:05.0825 (UTC) FILETIME=[F0546110:01CF9D2B] Subject: [MirageOS-devel] xenserver on arm X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6864676411520490776==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6864676411520490776== Content-Type: multipart/alternative; boundary="_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_" --_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I'm at the point with what I'm doing where having some form of remote manag= ement would be very useful. Certainly=2C for the time being=2C remotely dep= loying mirage instances on a running cubieboard would make life a lot easie= r for me. Xenserver & xapi seem to offer all of the bells and whistles that hit the n= ail on the head. I tried to build xenserver using the link that Dave posted some time back (= https://github.com/xenserver/buildroot/pull/427) but hit things I didn't re= ally understand. So=2C I'd like to press on and hopefully contribute something back=2C but I= 'm wondering if I'm jumping the gun with all of this and perhaps should wai= t a while. On the other hand=2C if someone thinks the time is right and wou= ld give me a few points on how to procede then I'd be very grateful. Cheers=2C Nick = --_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I'm at the point with what I'm d= oing where having some form of remote management would be very useful. Cert= ainly=2C for the time being=2C remotely deploying mirage instances on a run= ning cubieboard would make life a lot easier for me.

Xenserver &= =3B xapi seem to offer all of the bells and whistles that hit the nail on t= he head.

I tried to build xenserver using the link that Dave posted = some time back (https://github.com/xenserver/buildroot/pull/427) but hit th= ings I didn't really understand.

So=2C I'd like to press on and hope= fully contribute something back=2C but I'm wondering if I'm jumping the gun= with all of this and perhaps should wait a while. On the other hand=2C if = someone thinks the time is right and would give me a few =3B points on = how to procede then I'd be very grateful.

Cheers=2C
Nick
=
= --_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_-- --===============6864676411520490776== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6864676411520490776==-- From mirageos-devel-bounces@lists.xenproject.org Fri Jul 11 17:17:15 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 11 Jul 2014 17:17:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5eRY-0002mB-Gz; Fri, 11 Jul 2014 17:17:08 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5eRX-0002m3-OA for mirageos-devel@lists.xenproject.org; Fri, 11 Jul 2014 17:17:07 +0000 Received: from [193.109.254.147:5180] by server-5.bemta-14.messagelabs.com id 78/F8-07680-31C10C35; Fri, 11 Jul 2014 17:17:07 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1405099026!16975258!1 X-Originating-IP: [157.55.2.41] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_20_30,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31942 invoked from network); 11 Jul 2014 17:17:06 -0000 Received: from dub004-omc3s32.hotmail.com (HELO DUB004-OMC3S32.hotmail.com) (157.55.2.41) by server-14.tower-27.messagelabs.com with AES128-SHA encrypted SMTP; 11 Jul 2014 17:17:06 -0000 Received: from DUB128-W19 ([157.55.2.7]) by DUB004-OMC3S32.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Fri, 11 Jul 2014 10:17:05 -0700 X-TMN: [+i9F/sfzFZjKAXAOpsjQ/CtwNgBATxnv] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Fri, 11 Jul 2014 17:17:05 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 11 Jul 2014 17:17:05.0825 (UTC) FILETIME=[F0546110:01CF9D2B] Subject: [MirageOS-devel] xenserver on arm X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6864676411520490776==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6864676411520490776== Content-Type: multipart/alternative; boundary="_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_" --_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I'm at the point with what I'm doing where having some form of remote manag= ement would be very useful. Certainly=2C for the time being=2C remotely dep= loying mirage instances on a running cubieboard would make life a lot easie= r for me. Xenserver & xapi seem to offer all of the bells and whistles that hit the n= ail on the head. I tried to build xenserver using the link that Dave posted some time back (= https://github.com/xenserver/buildroot/pull/427) but hit things I didn't re= ally understand. So=2C I'd like to press on and hopefully contribute something back=2C but I= 'm wondering if I'm jumping the gun with all of this and perhaps should wai= t a while. On the other hand=2C if someone thinks the time is right and wou= ld give me a few points on how to procede then I'd be very grateful. Cheers=2C Nick = --_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I'm at the point with what I'm d= oing where having some form of remote management would be very useful. Cert= ainly=2C for the time being=2C remotely deploying mirage instances on a run= ning cubieboard would make life a lot easier for me.

Xenserver &= =3B xapi seem to offer all of the bells and whistles that hit the nail on t= he head.

I tried to build xenserver using the link that Dave posted = some time back (https://github.com/xenserver/buildroot/pull/427) but hit th= ings I didn't really understand.

So=2C I'd like to press on and hope= fully contribute something back=2C but I'm wondering if I'm jumping the gun= with all of this and perhaps should wait a while. On the other hand=2C if = someone thinks the time is right and would give me a few =3B points on = how to procede then I'd be very grateful.

Cheers=2C
Nick
=
= --_78a0a7f3-56e1-4d03-adc2-f6940500cc9a_-- --===============6864676411520490776== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6864676411520490776==-- From mirageos-devel-bounces@lists.xenproject.org Fri Jul 11 18:47:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 11 Jul 2014 18:47:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5fqv-0005Y3-JX; Fri, 11 Jul 2014 18:47:25 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5fqt-0005Xx-Rf for mirageos-devel@lists.xenproject.org; Fri, 11 Jul 2014 18:47:23 +0000 Received: from [85.158.137.68:41162] by server-6.bemta-3.messagelabs.com id 52/6B-15862-B3130C35; Fri, 11 Jul 2014 18:47:23 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1405104440!13024237!1 X-Originating-IP: [209.85.214.181] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16913 invoked from network); 11 Jul 2014 18:47:21 -0000 Received: from mail-ob0-f181.google.com (HELO mail-ob0-f181.google.com) (209.85.214.181) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 11 Jul 2014 18:47:21 -0000 Received: by mail-ob0-f181.google.com with SMTP id wp4so1657510obc.40 for ; Fri, 11 Jul 2014 11:47:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=WHAJd5z9XOUWhljzCnCUCPQRdQu3nDi/SXvrNIx7ycY=; b=OmPJW/2+Dw60Y6Mfh8U+qk7+puaFBEzo+eTyYvnH2AlPexdTODEn/QjXfF8QoBiGXY Tt93HxKLBcHRvSbtwJmsDi0Mq0vKSpzDUpS+R/NjgEj+mu4YMg89xitTV4p8UnzUHKnl qR3Quaza97npICI8ejgq5pnr+y8KQxcIhMJi5QLfDZCVDLc9UjXwxIgBjsn0kNfvBw9a C1gaXcctlQngFpOcDq3s/zZ0SZT7HsxUZImwVeFdXsldKC9UHMbsIU/B8Pz7ycpYqIe+ ZDZb59MoXX87ZvazWHOmQ51G7BbhuMZuI3/moq5pPeBpNvf/PQdwSznkoVJjJjiJ+//4 FFog== MIME-Version: 1.0 X-Received: by 10.182.114.131 with SMTP id jg3mr906105obb.9.1405104440333; Fri, 11 Jul 2014 11:47:20 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Fri, 11 Jul 2014 11:47:20 -0700 (PDT) Date: Fri, 11 Jul 2014 19:47:20 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org There has been lots of progress on the ARM front recently! In particular: - The separate Mini-OS and OpenLibm patches have been merged to the main mirage-platform and mirage repositories' master branches. - Hardware floating point now works. Here are the new instructions for testing it. First, install Xen on the device. For Cubieboard 2 or CubieTruck, you can use these instructions: https://github.com/talex5/xen-arm-builder Once booted you can ssh to Dom0. From there, initialise OPAM: $ sudo apt-get install aspcud pkg-config $ opam init Then you should be able to install Mirage and build your unikernel just as on x86, except that you'll need to select the Git versions of some components: $ git clone https://github.com/mirage/mirage-xen-libs $ cd mirage-xen-libs $ ./install.sh $ opam pin mirage https://github.com/mirage/mirage $ opam pin mirage-xen https://github.com/mirage/mirage-platform $ opam install mirage If you're using a hard-float dom0 (the default), you'll also need the latest Git version of libminios: $ git clone https://github.com/talex5/xen.git $ git checkout -b devel origin/devel $ cd extras/mini-os $ export PREFIX=`opam config var prefix` $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include To use networking, you also need to use these Git branches, which move the checksumming code to mirage-tcpip and make it work on ARM: - https://github.com/talex5/mirage/commits/link_c_stubs - https://github.com/talex5/mirage-tcpip/commits/checksum -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 11 18:47:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 11 Jul 2014 18:47:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5fqv-0005Y3-JX; Fri, 11 Jul 2014 18:47:25 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5fqt-0005Xx-Rf for mirageos-devel@lists.xenproject.org; Fri, 11 Jul 2014 18:47:23 +0000 Received: from [85.158.137.68:41162] by server-6.bemta-3.messagelabs.com id 52/6B-15862-B3130C35; Fri, 11 Jul 2014 18:47:23 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-14.tower-31.messagelabs.com!1405104440!13024237!1 X-Originating-IP: [209.85.214.181] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16913 invoked from network); 11 Jul 2014 18:47:21 -0000 Received: from mail-ob0-f181.google.com (HELO mail-ob0-f181.google.com) (209.85.214.181) by server-14.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 11 Jul 2014 18:47:21 -0000 Received: by mail-ob0-f181.google.com with SMTP id wp4so1657510obc.40 for ; Fri, 11 Jul 2014 11:47:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=WHAJd5z9XOUWhljzCnCUCPQRdQu3nDi/SXvrNIx7ycY=; b=OmPJW/2+Dw60Y6Mfh8U+qk7+puaFBEzo+eTyYvnH2AlPexdTODEn/QjXfF8QoBiGXY Tt93HxKLBcHRvSbtwJmsDi0Mq0vKSpzDUpS+R/NjgEj+mu4YMg89xitTV4p8UnzUHKnl qR3Quaza97npICI8ejgq5pnr+y8KQxcIhMJi5QLfDZCVDLc9UjXwxIgBjsn0kNfvBw9a C1gaXcctlQngFpOcDq3s/zZ0SZT7HsxUZImwVeFdXsldKC9UHMbsIU/B8Pz7ycpYqIe+ ZDZb59MoXX87ZvazWHOmQ51G7BbhuMZuI3/moq5pPeBpNvf/PQdwSznkoVJjJjiJ+//4 FFog== MIME-Version: 1.0 X-Received: by 10.182.114.131 with SMTP id jg3mr906105obb.9.1405104440333; Fri, 11 Jul 2014 11:47:20 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Fri, 11 Jul 2014 11:47:20 -0700 (PDT) Date: Fri, 11 Jul 2014 19:47:20 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org There has been lots of progress on the ARM front recently! In particular: - The separate Mini-OS and OpenLibm patches have been merged to the main mirage-platform and mirage repositories' master branches. - Hardware floating point now works. Here are the new instructions for testing it. First, install Xen on the device. For Cubieboard 2 or CubieTruck, you can use these instructions: https://github.com/talex5/xen-arm-builder Once booted you can ssh to Dom0. From there, initialise OPAM: $ sudo apt-get install aspcud pkg-config $ opam init Then you should be able to install Mirage and build your unikernel just as on x86, except that you'll need to select the Git versions of some components: $ git clone https://github.com/mirage/mirage-xen-libs $ cd mirage-xen-libs $ ./install.sh $ opam pin mirage https://github.com/mirage/mirage $ opam pin mirage-xen https://github.com/mirage/mirage-platform $ opam install mirage If you're using a hard-float dom0 (the default), you'll also need the latest Git version of libminios: $ git clone https://github.com/talex5/xen.git $ git checkout -b devel origin/devel $ cd extras/mini-os $ export PREFIX=`opam config var prefix` $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include To use networking, you also need to use these Git branches, which move the checksumming code to mirage-tcpip and make it work on ARM: - https://github.com/talex5/mirage/commits/link_c_stubs - https://github.com/talex5/mirage-tcpip/commits/checksum -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 12:02:42 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 12:02:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w0i-0005Yn-2M; Sat, 12 Jul 2014 12:02:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w0g-0005Yi-2M for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 12:02:34 +0000 Received: from [193.109.254.147:28652] by server-14.bemta-14.messagelabs.com id A6/44-11800-9D321C35; Sat, 12 Jul 2014 12:02:33 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1405166552!17081520!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28478 invoked from network); 12 Jul 2014 12:02:32 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-8.tower-27.messagelabs.com with SMTP; 12 Jul 2014 12:02:32 -0000 Received: (qmail 26797 invoked by uid 634); 12 Jul 2014 12:02:31 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.113]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 13:02:31 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 12 Jul 2014 13:02:29 +0100 Message-Id: <5BBF6C7A-02C9-4535-8364-E41E13699516@recoil.org> References: To: Nik Sultana X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: cl-naas@lists.cam.ac.uk, mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] adding serializers to mirage tcpip X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 Jul 2014, at 01:21, Nik Sultana wrote: > Hwanju and I worked through adding two functions to different structures in mirage-tcpip tonight: [adding mirageos-devel to this] > > val get : () -> string > val set : string -> () > > where get collects state information from the structure and returns a string, while set overwrites state information. > > We tried basing this on adding "with sexp" (i.e., s-expression (de)serialisation) to the state datatype in pcb.ml, and the datatypes it refers to. > > This ran into two difficulties. First, we encountered the Set module, from OCaml's standard library. This was easily fixed by copying the module's source code and adding "with sexp" to its types. The second problem was more serious: we hit Lwt_mvar.t. The trick used for Set is harder to pull off here, since we cannot just override a single class, but need to revise a library. If possible, you want to avoid forking libaries to add serializers. The way that the `with sexp` syntax extension works is that it examines the AST of the type definition, and generates two function bodies that inductively add the relevant serialisers from the type definition itself. These look like: # type t = { a:int } with sexp;; type t = { a : int; } val t_of_sexp : Sexplib.Type.t -> t = val sexp_of_t : t -> Sexplib.Type.t = You can also just define these manually, which is how you deal with packages that don't define their sexp initializers. So in the case of Lwt_mvar, don't fork Lwt -- think about what the stable serialization and deserialization of this should be. For TCP, it's probably just to create a fresh mvar (although really, we should just refactor the TCP stack to eliminate the mvars -- Balraj and I are unconvinced that they should ever have been put in there in the first place). > > I tried forking Lwt (from https://github.com/ocsigen/lwt ) but it was not smooth to build on OSX. The configuration script claims that it cannot find pthreads. I might have run into the bug described at https://github.com/ocaml/opam/issues/1236. I reinstalled OCaml as instructed there, but this didn't fix the problem. An alternative would be to downgrade XCode, but I'm reluctant to do this. So, currently I cannot build Lwt natively. If the patches you described in the earlier email are viable, perhaps we could branch off them? Any time you have a build failure, if you don't include the failing logs it's basically impossible to give any useful advice. One workflow that may be helpful with the system compiler is: $ opam switch -A system lwt-dev $ eval `opam config env` $ git clone git://github.com/ocsigen/lwt $ opam pin lwt lwt/ $ opam install lwt This will (in a fresh switch) give you an lwt development build, and the logs from that failure (if it still fails) will help pinpoint the issue. Build failures for that should go up on https://github.com/ocsigen/lwt/issues and you'll probably get a swift answer from the maintainers, since OSX is a popular platform (I'll take a look too). cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 12:02:42 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 12:02:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w0i-0005Yn-2M; Sat, 12 Jul 2014 12:02:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w0g-0005Yi-2M for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 12:02:34 +0000 Received: from [193.109.254.147:28652] by server-14.bemta-14.messagelabs.com id A6/44-11800-9D321C35; Sat, 12 Jul 2014 12:02:33 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1405166552!17081520!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28478 invoked from network); 12 Jul 2014 12:02:32 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-8.tower-27.messagelabs.com with SMTP; 12 Jul 2014 12:02:32 -0000 Received: (qmail 26797 invoked by uid 634); 12 Jul 2014 12:02:31 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.113]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 13:02:31 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 12 Jul 2014 13:02:29 +0100 Message-Id: <5BBF6C7A-02C9-4535-8364-E41E13699516@recoil.org> References: To: Nik Sultana X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: cl-naas@lists.cam.ac.uk, mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] adding serializers to mirage tcpip X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 Jul 2014, at 01:21, Nik Sultana wrote: > Hwanju and I worked through adding two functions to different structures in mirage-tcpip tonight: [adding mirageos-devel to this] > > val get : () -> string > val set : string -> () > > where get collects state information from the structure and returns a string, while set overwrites state information. > > We tried basing this on adding "with sexp" (i.e., s-expression (de)serialisation) to the state datatype in pcb.ml, and the datatypes it refers to. > > This ran into two difficulties. First, we encountered the Set module, from OCaml's standard library. This was easily fixed by copying the module's source code and adding "with sexp" to its types. The second problem was more serious: we hit Lwt_mvar.t. The trick used for Set is harder to pull off here, since we cannot just override a single class, but need to revise a library. If possible, you want to avoid forking libaries to add serializers. The way that the `with sexp` syntax extension works is that it examines the AST of the type definition, and generates two function bodies that inductively add the relevant serialisers from the type definition itself. These look like: # type t = { a:int } with sexp;; type t = { a : int; } val t_of_sexp : Sexplib.Type.t -> t = val sexp_of_t : t -> Sexplib.Type.t = You can also just define these manually, which is how you deal with packages that don't define their sexp initializers. So in the case of Lwt_mvar, don't fork Lwt -- think about what the stable serialization and deserialization of this should be. For TCP, it's probably just to create a fresh mvar (although really, we should just refactor the TCP stack to eliminate the mvars -- Balraj and I are unconvinced that they should ever have been put in there in the first place). > > I tried forking Lwt (from https://github.com/ocsigen/lwt ) but it was not smooth to build on OSX. The configuration script claims that it cannot find pthreads. I might have run into the bug described at https://github.com/ocaml/opam/issues/1236. I reinstalled OCaml as instructed there, but this didn't fix the problem. An alternative would be to downgrade XCode, but I'm reluctant to do this. So, currently I cannot build Lwt natively. If the patches you described in the earlier email are viable, perhaps we could branch off them? Any time you have a build failure, if you don't include the failing logs it's basically impossible to give any useful advice. One workflow that may be helpful with the system compiler is: $ opam switch -A system lwt-dev $ eval `opam config env` $ git clone git://github.com/ocsigen/lwt $ opam pin lwt lwt/ $ opam install lwt This will (in a fresh switch) give you an lwt development build, and the logs from that failure (if it still fails) will help pinpoint the issue. Build failures for that should go up on https://github.com/ocsigen/lwt/issues and you'll probably get a swift answer from the maintainers, since OSX is a popular platform (I'll take a look too). cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 12:09:34 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 12:09:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w7R-0005dN-Qe; Sat, 12 Jul 2014 12:09:33 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w7R-0005dI-6b for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 12:09:33 +0000 Received: from [193.109.254.147:6099] by server-3.bemta-14.messagelabs.com id D3/C4-13460-C7521C35; Sat, 12 Jul 2014 12:09:32 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1405166971!17063992!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24046 invoked from network); 12 Jul 2014 12:09:31 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 12 Jul 2014 12:09:31 -0000 Received: (qmail 17311 invoked by uid 634); 12 Jul 2014 12:09:31 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.113]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 13:09:30 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 12 Jul 2014 13:09:28 +0100 Message-Id: <8253972C-46CB-4627-A026-6C39A29B6CD4@recoil.org> References: To: buzz heavyyear X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] xenserver on arm X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6568689550136142548==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6568689550136142548== Content-Type: multipart/alternative; boundary="Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E" --Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 11 Jul 2014, at 18:17, buzz heavyyear = wrote: > I'm at the point with what I'm doing where having some form of remote = management would be very useful. Certainly, for the time being, remotely = deploying mirage instances on a running cubieboard would make life a lot = easier for me. >=20 > Xenserver & xapi seem to offer all of the bells and whistles that hit = the nail on the head. >=20 > I tried to build xenserver using the link that Dave posted some time = back (https://github.com/xenserver/buildroot/pull/427) but hit things I = didn't really understand. >=20 > So, I'd like to press on and hopefully contribute something back, but = I'm wondering if I'm jumping the gun with all of this and perhaps should = wait a while. On the other hand, if someone thinks the time is right and = would give me a few points on how to procede then I'd be very grateful. XenServer's probably a little heavyweight for the little ARM. It would = be worth trying to manage it remotely via libvirt instead, which has = increasingly improved Xen bindings for xl. If you gave that a try and = report any issues back (libvirt.org), that would be most interesting = (it's on my list but I haven't had a chance yet). -anil --Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 On 11 = Jul 2014, at 18:17, buzz heavyyear <buzzheavyyear@hotmail.com>= ; wrote:

I'm at the point with = what I'm doing where having some form of remote management would be very = useful. Certainly, for the time being, remotely deploying mirage = instances on a running cubieboard would make life a lot easier for = me.

Xenserver & xapi seem to offer all of the bells and = whistles that hit the nail on the head.

I tried to build = xenserver using the link that Dave posted some time back (https://github.co= m/xenserver/buildroot/pull/427) but hit things I didn't really = understand.

So, I'd like to press on and hopefully contribute = something back, but I'm wondering if I'm jumping the gun with all of = this and perhaps should wait a while. On the other hand, if someone = thinks the time is right and would give me a few  points on how to = procede then I'd be very = grateful.

XenServer's = probably a little heavyweight for the little ARM.  It would be = worth trying to manage it remotely via libvirt instead, which has = increasingly improved Xen bindings for xl.  If you gave that a try = and report any issues back (libvirt.org), that would be most = interesting (it's on my list but I haven't had a chance = yet).

-anil

= --Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E-- --===============6568689550136142548== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6568689550136142548==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 12:09:34 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 12:09:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w7R-0005dN-Qe; Sat, 12 Jul 2014 12:09:33 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5w7R-0005dI-6b for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 12:09:33 +0000 Received: from [193.109.254.147:6099] by server-3.bemta-14.messagelabs.com id D3/C4-13460-C7521C35; Sat, 12 Jul 2014 12:09:32 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1405166971!17063992!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24046 invoked from network); 12 Jul 2014 12:09:31 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 12 Jul 2014 12:09:31 -0000 Received: (qmail 17311 invoked by uid 634); 12 Jul 2014 12:09:31 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.113]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 13:09:30 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.2\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 12 Jul 2014 13:09:28 +0100 Message-Id: <8253972C-46CB-4627-A026-6C39A29B6CD4@recoil.org> References: To: buzz heavyyear X-Mailer: Apple Mail (2.1878.2) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] xenserver on arm X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6568689550136142548==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6568689550136142548== Content-Type: multipart/alternative; boundary="Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E" --Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 11 Jul 2014, at 18:17, buzz heavyyear = wrote: > I'm at the point with what I'm doing where having some form of remote = management would be very useful. Certainly, for the time being, remotely = deploying mirage instances on a running cubieboard would make life a lot = easier for me. >=20 > Xenserver & xapi seem to offer all of the bells and whistles that hit = the nail on the head. >=20 > I tried to build xenserver using the link that Dave posted some time = back (https://github.com/xenserver/buildroot/pull/427) but hit things I = didn't really understand. >=20 > So, I'd like to press on and hopefully contribute something back, but = I'm wondering if I'm jumping the gun with all of this and perhaps should = wait a while. On the other hand, if someone thinks the time is right and = would give me a few points on how to procede then I'd be very grateful. XenServer's probably a little heavyweight for the little ARM. It would = be worth trying to manage it remotely via libvirt instead, which has = increasingly improved Xen bindings for xl. If you gave that a try and = report any issues back (libvirt.org), that would be most interesting = (it's on my list but I haven't had a chance yet). -anil --Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 On 11 = Jul 2014, at 18:17, buzz heavyyear <buzzheavyyear@hotmail.com>= ; wrote:

I'm at the point with = what I'm doing where having some form of remote management would be very = useful. Certainly, for the time being, remotely deploying mirage = instances on a running cubieboard would make life a lot easier for = me.

Xenserver & xapi seem to offer all of the bells and = whistles that hit the nail on the head.

I tried to build = xenserver using the link that Dave posted some time back (https://github.co= m/xenserver/buildroot/pull/427) but hit things I didn't really = understand.

So, I'd like to press on and hopefully contribute = something back, but I'm wondering if I'm jumping the gun with all of = this and perhaps should wait a while. On the other hand, if someone = thinks the time is right and would give me a few  points on how to = procede then I'd be very = grateful.

XenServer's = probably a little heavyweight for the little ARM.  It would be = worth trying to manage it remotely via libvirt instead, which has = increasingly improved Xen bindings for xl.  If you gave that a try = and report any issues back (libvirt.org), that would be most = interesting (it's on my list but I haven't had a chance = yet).

-anil

= --Apple-Mail=_C70C6069-8682-4362-AB7D-DF28C208D03E-- --===============6568689550136142548== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6568689550136142548==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 12:54:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 12:54:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5wp9-0005nW-PN; Sat, 12 Jul 2014 12:54:43 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5wp8-0005nP-KS for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 12:54:42 +0000 Received: from [85.158.139.211:43097] by server-5.bemta-5.messagelabs.com id A2/B2-29625-11031C35; Sat, 12 Jul 2014 12:54:41 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1405169681!12258943!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24650 invoked from network); 12 Jul 2014 12:54:41 -0000 Received: from smtp.eu.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-16.tower-206.messagelabs.com with SMTP; 12 Jul 2014 12:54:41 -0000 X-IronPort-AV: E=Sophos;i="5.01,649,1400025600"; d="scan'208";a="23042230" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 12 Jul 2014 12:54:41 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Sat, 12 Jul 2014 14:54:40 +0200 From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] xenserver on arm Thread-Index: AQHPnSwBIY/fLrOB9EiHfWC/hjDBk5ucOGIAgAAMnoA= Date: Sat, 12 Jul 2014 12:54:39 +0000 Message-ID: References: <8253972C-46CB-4627-A026-6C39A29B6CD4@recoil.org> In-Reply-To: <8253972C-46CB-4627-A026-6C39A29B6CD4@recoil.org> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: <45CD59F1ABBF7F43B908DD78646F7563@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] xenserver on arm X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 Jul 2014, at 13:09, Anil Madhavapeddy wrote: > On 11 Jul 2014, at 18:17, buzz heavyyear wrot= e: > = >> I'm at the point with what I'm doing where having some form of remote ma= nagement would be very useful. Certainly, for the time being, remotely depl= oying mirage instances on a running cubieboard would make life a lot easier= for me. >> = >> Xenserver & xapi seem to offer all of the bells and whistles that hit th= e nail on the head. >> = >> I tried to build xenserver using the link that Dave posted some time bac= k (https://github.com/xenserver/buildroot/pull/427) but hit things I didn't= really understand. >> = >> So, I'd like to press on and hopefully contribute something back, but I'= m wondering if I'm jumping the gun with all of this and perhaps should wait= a while. On the other hand, if someone thinks the time is right and would = give me a few points on how to procede then I'd be very grateful. > = > XenServer's probably a little heavyweight for the little ARM. It would b= e worth trying to manage it remotely via libvirt instead, which has increas= ingly improved Xen bindings for xl. If you gave that a try and report any = issues back (libvirt.org), that would be most interesting (it's on my list = but I haven't had a chance yet). It would be interesting to hear how well libvirt + libxl works. With =93xapi=94, you get a set of daemons which can be used separately or t= ogether. The full set does build and run in the Cubie2 environment, with th= e following caveats: * it=92s been tried exactly twice :-) and needs a bit more debugging * in some cases we had to package more recent versions of some of the base = OCaml libraries than were available in Ubuntu trusty. There=92s a bug (whic= h I think Euan Harris was working on) which manifested whenever Ubuntu upda= ted its package =97 the xapi build environment would produce libraries with= the same version number as Ubuntu=92s but with different CRCs. The install= environment would then select the wrong package and give a confusing error= (failed to install liblwt-ocaml-) * starting a VM worked ok but a libxl event was lost somewhere while shutti= ng it down. It could be that the Mirage guest was so quick to shutdown that= it exposed a race condition somewhere. We=92re in the middle of adding Ubuntu trusty to our CI environment to capt= ure the generic package building problems that affect both x86_64 and armhf= . After that I=92d like to track down the libxl issue which is probably als= o common. After that it should work a bit better! Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 12:54:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 12:54:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5wp9-0005nW-PN; Sat, 12 Jul 2014 12:54:43 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5wp8-0005nP-KS for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 12:54:42 +0000 Received: from [85.158.139.211:43097] by server-5.bemta-5.messagelabs.com id A2/B2-29625-11031C35; Sat, 12 Jul 2014 12:54:41 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1405169681!12258943!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24650 invoked from network); 12 Jul 2014 12:54:41 -0000 Received: from smtp.eu.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-16.tower-206.messagelabs.com with SMTP; 12 Jul 2014 12:54:41 -0000 X-IronPort-AV: E=Sophos;i="5.01,649,1400025600"; d="scan'208";a="23042230" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 12 Jul 2014 12:54:41 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL02.citrite.net ([169.254.7.117]) with mapi id 14.03.0181.006; Sat, 12 Jul 2014 14:54:40 +0200 From: Dave Scott To: Anil Madhavapeddy Thread-Topic: [MirageOS-devel] xenserver on arm Thread-Index: AQHPnSwBIY/fLrOB9EiHfWC/hjDBk5ucOGIAgAAMnoA= Date: Sat, 12 Jul 2014 12:54:39 +0000 Message-ID: References: <8253972C-46CB-4627-A026-6C39A29B6CD4@recoil.org> In-Reply-To: <8253972C-46CB-4627-A026-6C39A29B6CD4@recoil.org> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: <45CD59F1ABBF7F43B908DD78646F7563@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] xenserver on arm X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 Jul 2014, at 13:09, Anil Madhavapeddy wrote: > On 11 Jul 2014, at 18:17, buzz heavyyear wrot= e: > = >> I'm at the point with what I'm doing where having some form of remote ma= nagement would be very useful. Certainly, for the time being, remotely depl= oying mirage instances on a running cubieboard would make life a lot easier= for me. >> = >> Xenserver & xapi seem to offer all of the bells and whistles that hit th= e nail on the head. >> = >> I tried to build xenserver using the link that Dave posted some time bac= k (https://github.com/xenserver/buildroot/pull/427) but hit things I didn't= really understand. >> = >> So, I'd like to press on and hopefully contribute something back, but I'= m wondering if I'm jumping the gun with all of this and perhaps should wait= a while. On the other hand, if someone thinks the time is right and would = give me a few points on how to procede then I'd be very grateful. > = > XenServer's probably a little heavyweight for the little ARM. It would b= e worth trying to manage it remotely via libvirt instead, which has increas= ingly improved Xen bindings for xl. If you gave that a try and report any = issues back (libvirt.org), that would be most interesting (it's on my list = but I haven't had a chance yet). It would be interesting to hear how well libvirt + libxl works. With =93xapi=94, you get a set of daemons which can be used separately or t= ogether. The full set does build and run in the Cubie2 environment, with th= e following caveats: * it=92s been tried exactly twice :-) and needs a bit more debugging * in some cases we had to package more recent versions of some of the base = OCaml libraries than were available in Ubuntu trusty. There=92s a bug (whic= h I think Euan Harris was working on) which manifested whenever Ubuntu upda= ted its package =97 the xapi build environment would produce libraries with= the same version number as Ubuntu=92s but with different CRCs. The install= environment would then select the wrong package and give a confusing error= (failed to install liblwt-ocaml-) * starting a VM worked ok but a libxl event was lost somewhere while shutti= ng it down. It could be that the Mirage guest was so quick to shutdown that= it exposed a race condition somewhere. We=92re in the middle of adding Ubuntu trusty to our CI environment to capt= ure the generic package building problems that affect both x86_64 and armhf= . After that I=92d like to track down the libxl issue which is probably als= o common. After that it should work a bit better! Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 15:45:02 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 15:45:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5zTu-0006oD-6C; Sat, 12 Jul 2014 15:44:58 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5zTs-0006o8-Pu for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 15:44:56 +0000 Received: from [193.109.254.147:21684] by server-10.bemta-14.messagelabs.com id 2E/95-01431-8F751C35; Sat, 12 Jul 2014 15:44:56 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-27.messagelabs.com!1405179895!17058607!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16608 invoked from network); 12 Jul 2014 15:44:55 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-27.messagelabs.com with SMTP; 12 Jul 2014 15:44:55 -0000 Received: (qmail 30490 invoked by uid 634); 12 Jul 2014 15:44:54 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 16:44:54 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 12 Jul 2014 16:44:53 +0100 Message-Id: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 11 Jul 2014, at 19:47, Thomas Leonard wrote: > There has been lots of progress on the ARM front recently! In particular: > > - The separate Mini-OS and OpenLibm patches have been merged to the > main mirage-platform and mirage repositories' master branches. > > - Hardware floating point now works. Awesome! > > If you're using a hard-float dom0 (the default), you'll also need the > latest Git version of libminios: > > $ git clone https://github.com/talex5/xen.git > $ git checkout -b devel origin/devel > $ cd extras/mini-os > $ export PREFIX=`opam config var prefix` > $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include Could you tag this one, so I can update the xen-minios package (in mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios before submitting an OPAM package). > > To use networking, you also need to use these Git branches, which move > the checksumming code to mirage-tcpip and make it work on ARM: > > - https://github.com/talex5/mirage/commits/link_c_stubs > - https://github.com/talex5/mirage-tcpip/commits/checksum I'll merge those just as soon as I merge/release Mindy's recent TCP/IP changes, which will be the last in the 1.x stream of TCP/IP before we move onto V2 (which can include the ARM changes as well). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 15:45:02 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 15:45:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5zTu-0006oD-6C; Sat, 12 Jul 2014 15:44:58 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X5zTs-0006o8-Pu for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 15:44:56 +0000 Received: from [193.109.254.147:21684] by server-10.bemta-14.messagelabs.com id 2E/95-01431-8F751C35; Sat, 12 Jul 2014 15:44:56 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-27.messagelabs.com!1405179895!17058607!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16608 invoked from network); 12 Jul 2014 15:44:55 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-27.messagelabs.com with SMTP; 12 Jul 2014 15:44:55 -0000 Received: (qmail 30490 invoked by uid 634); 12 Jul 2014 15:44:54 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 16:44:54 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 12 Jul 2014 16:44:53 +0100 Message-Id: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 11 Jul 2014, at 19:47, Thomas Leonard wrote: > There has been lots of progress on the ARM front recently! In particular: > > - The separate Mini-OS and OpenLibm patches have been merged to the > main mirage-platform and mirage repositories' master branches. > > - Hardware floating point now works. Awesome! > > If you're using a hard-float dom0 (the default), you'll also need the > latest Git version of libminios: > > $ git clone https://github.com/talex5/xen.git > $ git checkout -b devel origin/devel > $ cd extras/mini-os > $ export PREFIX=`opam config var prefix` > $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include Could you tag this one, so I can update the xen-minios package (in mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios before submitting an OPAM package). > > To use networking, you also need to use these Git branches, which move > the checksumming code to mirage-tcpip and make it work on ARM: > > - https://github.com/talex5/mirage/commits/link_c_stubs > - https://github.com/talex5/mirage-tcpip/commits/checksum I'll merge those just as soon as I merge/release Mindy's recent TCP/IP changes, which will be the last in the 1.x stream of TCP/IP before we move onto V2 (which can include the ARM changes as well). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 18:08:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 18:08:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X61iW-0007vM-17; Sat, 12 Jul 2014 18:08:12 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X61iU-0007vH-N7 for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 18:08:10 +0000 Received: from [85.158.139.211:37164] by server-9.bemta-5.messagelabs.com id E4/DE-14363-A8971C35; Sat, 12 Jul 2014 18:08:10 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-206.messagelabs.com!1405188489!15189190!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2783 invoked from network); 12 Jul 2014 18:08:09 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-206.messagelabs.com with SMTP; 12 Jul 2014 18:08:09 -0000 Received: (qmail 29935 invoked by uid 634); 12 Jul 2014 18:08:08 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 19:08:08 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> Date: Sat, 12 Jul 2014 19:08:07 +0100 Message-Id: <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> References: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 Jul 2014, at 16:44, Anil Madhavapeddy wrote: >> >> >> If you're using a hard-float dom0 (the default), you'll also need the >> latest Git version of libminios: >> >> $ git clone https://github.com/talex5/xen.git >> $ git checkout -b devel origin/devel >> $ cd extras/mini-os >> $ export PREFIX=`opam config var prefix` >> $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include > > Could you tag this one, so I can update the xen-minios package (in > mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios > before submitting an OPAM package). Is the hard-float feature definitely in the devel/ branch of your xen/minios tree? I switched over to that but still get link failures due to FP symbols in the hard-float dom0. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 12 18:08:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 12 Jul 2014 18:08:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X61iW-0007vM-17; Sat, 12 Jul 2014 18:08:12 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X61iU-0007vH-N7 for mirageos-devel@lists.xenproject.org; Sat, 12 Jul 2014 18:08:10 +0000 Received: from [85.158.139.211:37164] by server-9.bemta-5.messagelabs.com id E4/DE-14363-A8971C35; Sat, 12 Jul 2014 18:08:10 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-206.messagelabs.com!1405188489!15189190!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2783 invoked from network); 12 Jul 2014 18:08:09 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-206.messagelabs.com with SMTP; 12 Jul 2014 18:08:09 -0000 Received: (qmail 29935 invoked by uid 634); 12 Jul 2014 18:08:08 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.110]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 12 Jul 2014 19:08:08 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> Date: Sat, 12 Jul 2014 19:08:07 +0100 Message-Id: <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> References: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 Jul 2014, at 16:44, Anil Madhavapeddy wrote: >> >> >> If you're using a hard-float dom0 (the default), you'll also need the >> latest Git version of libminios: >> >> $ git clone https://github.com/talex5/xen.git >> $ git checkout -b devel origin/devel >> $ cd extras/mini-os >> $ export PREFIX=`opam config var prefix` >> $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include > > Could you tag this one, so I can update the xen-minios package (in > mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios > before submitting an OPAM package). Is the hard-float feature definitely in the devel/ branch of your xen/minios tree? I switched over to that but still get link failures due to FP symbols in the hard-float dom0. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 13 11:25:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 13 Jul 2014 11:25:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6HuL-0003G8-1X; Sun, 13 Jul 2014 11:25:29 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6HuJ-0003G3-He for mirageos-devel@lists.xenproject.org; Sun, 13 Jul 2014 11:25:27 +0000 Received: from [193.109.254.147:53767] by server-5.bemta-14.messagelabs.com id D8/3E-31950-6AC62C35; Sun, 13 Jul 2014 11:25:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1405250724!17179645!1 X-Originating-IP: [209.85.219.49] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24558 invoked from network); 13 Jul 2014 11:25:25 -0000 Received: from mail-oa0-f49.google.com (HELO mail-oa0-f49.google.com) (209.85.219.49) by server-15.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 13 Jul 2014 11:25:25 -0000 Received: by mail-oa0-f49.google.com with SMTP id eb12so3044762oac.8 for ; Sun, 13 Jul 2014 04:25:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=0TZKk/D1u2F8MPrT3Deb3tnXixdVARTFDKGAjN/Y6BI=; b=QwUi+mk4AOHiR0pHXIH9IXmZIp9G6zUMuxYcJib+OoR8avfTo28X6IOnBxlAnl6VQl xHjIgW2RZKfpdojXgjdTCvx12tfdylU8H/3iQwWsiS/v2ZPQOfyh0TOIZYhZYXSVG02g uwQ8Eo2g8iFskUauaX7TpNG5XcFuAa97GPBOWJX2Xn0KMbVnH1O/m7UW9Ay6U4b6NCbJ GpD1ptsM16JeXNVrWE/Lexw/Gfdn6HwuMYpFNv+h2rOgB6rEMlAD6S8AbAY6E1EdT0Eh Ca3/1mHn5bQok7SOjI8fhK/vi6ebvnbCVEpWyxNgAzhMaJ7rdbx3Ln2fLiTGUQyG405L pUQQ== MIME-Version: 1.0 X-Received: by 10.182.102.197 with SMTP id fq5mr10801062obb.3.1405250724188; Sun, 13 Jul 2014 04:25:24 -0700 (PDT) Received: by 10.182.143.67 with HTTP; Sun, 13 Jul 2014 04:25:24 -0700 (PDT) In-Reply-To: <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> References: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> Date: Sun, 13 Jul 2014 12:25:24 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 July 2014 19:08, Anil Madhavapeddy wrote: > On 12 Jul 2014, at 16:44, Anil Madhavapeddy wrote: > >>> >>> >>> If you're using a hard-float dom0 (the default), you'll also need the >>> latest Git version of libminios: >>> >>> $ git clone https://github.com/talex5/xen.git >>> $ git checkout -b devel origin/devel >>> $ cd extras/mini-os >>> $ export PREFIX=`opam config var prefix` >>> $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include >> >> Could you tag this one, so I can update the xen-minios package (in >> mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios >> before submitting an OPAM package). I'll try to get this done tomorrow. > Is the hard-float feature definitely in the devel/ branch of your xen/minios tree? > > I switched over to that but still get link failures due to FP symbols in the hard-float dom0. If you're getting link failures (rather than runtime failures), it's probably because some parts are compiled as soft float and others as hard float. If everything is compiled on the same OS there shouldn't be a problem, but if you're cross compiling Mini-OS or OpenLibm you might get a problem. What errors are you getting? -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 13 11:25:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 13 Jul 2014 11:25:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6HuL-0003G8-1X; Sun, 13 Jul 2014 11:25:29 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6HuJ-0003G3-He for mirageos-devel@lists.xenproject.org; Sun, 13 Jul 2014 11:25:27 +0000 Received: from [193.109.254.147:53767] by server-5.bemta-14.messagelabs.com id D8/3E-31950-6AC62C35; Sun, 13 Jul 2014 11:25:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1405250724!17179645!1 X-Originating-IP: [209.85.219.49] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24558 invoked from network); 13 Jul 2014 11:25:25 -0000 Received: from mail-oa0-f49.google.com (HELO mail-oa0-f49.google.com) (209.85.219.49) by server-15.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 13 Jul 2014 11:25:25 -0000 Received: by mail-oa0-f49.google.com with SMTP id eb12so3044762oac.8 for ; Sun, 13 Jul 2014 04:25:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=0TZKk/D1u2F8MPrT3Deb3tnXixdVARTFDKGAjN/Y6BI=; b=QwUi+mk4AOHiR0pHXIH9IXmZIp9G6zUMuxYcJib+OoR8avfTo28X6IOnBxlAnl6VQl xHjIgW2RZKfpdojXgjdTCvx12tfdylU8H/3iQwWsiS/v2ZPQOfyh0TOIZYhZYXSVG02g uwQ8Eo2g8iFskUauaX7TpNG5XcFuAa97GPBOWJX2Xn0KMbVnH1O/m7UW9Ay6U4b6NCbJ GpD1ptsM16JeXNVrWE/Lexw/Gfdn6HwuMYpFNv+h2rOgB6rEMlAD6S8AbAY6E1EdT0Eh Ca3/1mHn5bQok7SOjI8fhK/vi6ebvnbCVEpWyxNgAzhMaJ7rdbx3Ln2fLiTGUQyG405L pUQQ== MIME-Version: 1.0 X-Received: by 10.182.102.197 with SMTP id fq5mr10801062obb.3.1405250724188; Sun, 13 Jul 2014 04:25:24 -0700 (PDT) Received: by 10.182.143.67 with HTTP; Sun, 13 Jul 2014 04:25:24 -0700 (PDT) In-Reply-To: <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> References: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> Date: Sun, 13 Jul 2014 12:25:24 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 12 July 2014 19:08, Anil Madhavapeddy wrote: > On 12 Jul 2014, at 16:44, Anil Madhavapeddy wrote: > >>> >>> >>> If you're using a hard-float dom0 (the default), you'll also need the >>> latest Git version of libminios: >>> >>> $ git clone https://github.com/talex5/xen.git >>> $ git checkout -b devel origin/devel >>> $ cd extras/mini-os >>> $ export PREFIX=`opam config var prefix` >>> $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include >> >> Could you tag this one, so I can update the xen-minios package (in >> mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios >> before submitting an OPAM package). I'll try to get this done tomorrow. > Is the hard-float feature definitely in the devel/ branch of your xen/minios tree? > > I switched over to that but still get link failures due to FP symbols in the hard-float dom0. If you're getting link failures (rather than runtime failures), it's probably because some parts are compiled as soft float and others as hard float. If everything is compiled on the same OS there shouldn't be a problem, but if you're cross compiling Mini-OS or OpenLibm you might get a problem. What errors are you getting? -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 08:46:26 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 08:46:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6btt-0002SF-OZ; Mon, 14 Jul 2014 08:46:21 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6bts-0002SA-Ml for MirageOS-devel@lists.xenproject.org; Mon, 14 Jul 2014 08:46:20 +0000 Received: from [85.158.139.211:41725] by server-7.bemta-5.messagelabs.com id 54/C8-30824-BD893C35; Mon, 14 Jul 2014 08:46:19 +0000 X-Env-Sender: loldrup@gmail.com X-Msg-Ref: server-2.tower-206.messagelabs.com!1405327578!15357228!1 X-Originating-IP: [209.85.216.180] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23975 invoked from network); 14 Jul 2014 08:46:19 -0000 Received: from mail-qc0-f180.google.com (HELO mail-qc0-f180.google.com) (209.85.216.180) by server-2.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 08:46:19 -0000 Received: by mail-qc0-f180.google.com with SMTP id l6so2929092qcy.39 for ; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=7FghjOJd7cLT3FHL4MX9DtGBdIgEbVe7vUeYA85MZYs=; b=FA+MCp2E/QRHvDNpHV7JLbvAjRQ+zyLsxL+/Do9OIcoyANAMI0dRzLBZxWJexZ2RSZ MfNmkiebeY8BV3QhHwSDR94WIID2dCWXvvZvzA27vcQfE5kTlrj7sxHacG92PQRSoJOu kdQyWiB0YIqh2zXvPHtHvfatfs0SGtXp9BlLbBp2DAIFBV3Bgo4u0thsNlN6IUJg7zax Y/ChV9pXmBlLm5M2BplbO73B8yRSt5I0N9XIu7N4T/6Mt7J236gkKTYL4dXcMEDN2vfB RYieMUpFBFhZvAHfIz5KrmHCQYc7LKzwFbocstbV1gW+T7VfxIoQ9TnwgnVtD/xK93LO XGkA== MIME-Version: 1.0 X-Received: by 10.140.82.113 with SMTP id g104mr21751700qgd.55.1405327578263; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) Received: by 10.140.48.8 with HTTP; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) Received: by 10.140.48.8 with HTTP; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) Date: Mon, 14 Jul 2014 10:46:18 +0200 Message-ID: From: Jon Loldrup To: MirageOS-devel@lists.xenproject.org Subject: [MirageOS-devel] Windows shares through Mirage? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6141558018810168002==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6141558018810168002== Content-Type: multipart/alternative; boundary=001a11c11b9418906b04fe2353e9 --001a11c11b9418906b04fe2353e9 Content-Type: text/plain; charset=ISO-8859-1 Hi In Ubuntu I can install Samba to make a shared network drive accessible by Windows computers. Is there a way to achieve the same functionality when building my application as a Mirage OS? regards Jon Loldrup --001a11c11b9418906b04fe2353e9 Content-Type: text/html; charset=ISO-8859-1

Hi

In Ubuntu I can install Samba to make a shared network drive accessible by Windows computers.

Is there a way to achieve the same functionality when building my application as a Mirage OS?

regards
Jon Loldrup

--001a11c11b9418906b04fe2353e9-- --===============6141558018810168002== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6141558018810168002==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 08:46:26 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 08:46:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6btt-0002SF-OZ; Mon, 14 Jul 2014 08:46:21 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6bts-0002SA-Ml for MirageOS-devel@lists.xenproject.org; Mon, 14 Jul 2014 08:46:20 +0000 Received: from [85.158.139.211:41725] by server-7.bemta-5.messagelabs.com id 54/C8-30824-BD893C35; Mon, 14 Jul 2014 08:46:19 +0000 X-Env-Sender: loldrup@gmail.com X-Msg-Ref: server-2.tower-206.messagelabs.com!1405327578!15357228!1 X-Originating-IP: [209.85.216.180] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23975 invoked from network); 14 Jul 2014 08:46:19 -0000 Received: from mail-qc0-f180.google.com (HELO mail-qc0-f180.google.com) (209.85.216.180) by server-2.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 08:46:19 -0000 Received: by mail-qc0-f180.google.com with SMTP id l6so2929092qcy.39 for ; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=7FghjOJd7cLT3FHL4MX9DtGBdIgEbVe7vUeYA85MZYs=; b=FA+MCp2E/QRHvDNpHV7JLbvAjRQ+zyLsxL+/Do9OIcoyANAMI0dRzLBZxWJexZ2RSZ MfNmkiebeY8BV3QhHwSDR94WIID2dCWXvvZvzA27vcQfE5kTlrj7sxHacG92PQRSoJOu kdQyWiB0YIqh2zXvPHtHvfatfs0SGtXp9BlLbBp2DAIFBV3Bgo4u0thsNlN6IUJg7zax Y/ChV9pXmBlLm5M2BplbO73B8yRSt5I0N9XIu7N4T/6Mt7J236gkKTYL4dXcMEDN2vfB RYieMUpFBFhZvAHfIz5KrmHCQYc7LKzwFbocstbV1gW+T7VfxIoQ9TnwgnVtD/xK93LO XGkA== MIME-Version: 1.0 X-Received: by 10.140.82.113 with SMTP id g104mr21751700qgd.55.1405327578263; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) Received: by 10.140.48.8 with HTTP; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) Received: by 10.140.48.8 with HTTP; Mon, 14 Jul 2014 01:46:18 -0700 (PDT) Date: Mon, 14 Jul 2014 10:46:18 +0200 Message-ID: From: Jon Loldrup To: MirageOS-devel@lists.xenproject.org Subject: [MirageOS-devel] Windows shares through Mirage? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6141558018810168002==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6141558018810168002== Content-Type: multipart/alternative; boundary=001a11c11b9418906b04fe2353e9 --001a11c11b9418906b04fe2353e9 Content-Type: text/plain; charset=ISO-8859-1 Hi In Ubuntu I can install Samba to make a shared network drive accessible by Windows computers. Is there a way to achieve the same functionality when building my application as a Mirage OS? regards Jon Loldrup --001a11c11b9418906b04fe2353e9 Content-Type: text/html; charset=ISO-8859-1

Hi

In Ubuntu I can install Samba to make a shared network drive accessible by Windows computers.

Is there a way to achieve the same functionality when building my application as a Mirage OS?

regards
Jon Loldrup

--001a11c11b9418906b04fe2353e9-- --===============6141558018810168002== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6141558018810168002==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 09:54:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 09:54:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6cxm-0004HG-Nf; Mon, 14 Jul 2014 09:54:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6cxl-0004H1-3X for MirageOS-devel@lists.xenproject.org; Mon, 14 Jul 2014 09:54:25 +0000 Received: from [85.158.139.211:34837] by server-11.bemta-5.messagelabs.com id 1E/3B-31786-0D8A3C35; Mon, 14 Jul 2014 09:54:24 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-13.tower-206.messagelabs.com!1405331660!15392089!1 X-Originating-IP: [209.85.220.41] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23129 invoked from network); 14 Jul 2014 09:54:22 -0000 Received: from mail-pa0-f41.google.com (HELO mail-pa0-f41.google.com) (209.85.220.41) by server-13.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 09:54:22 -0000 Received: by mail-pa0-f41.google.com with SMTP id fb1so5140779pad.0 for ; Mon, 14 Jul 2014 02:54:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=a3BuLbUWPL/GWigqvZjMCoo0BQ/C/h2gBNsTMdy1YEA=; b=gs6y1JgZScTJfqSM0U1t5B0vZeO+EaAIYGPbzTlfVCl7h3S+Jron23R7VS4VT5o4oU WEcS8qfwqq/AT0kqGGvKL333NIF/4jwMGNTsNd4rIxLOCKA2NKI+QEIr2ma4QJBqxNuV R4bhWkkIuSokszXZsInfVqxdNNuAzm6fUG+G7uPURL8ysmy5uUhRtdOM/nJ/ElJ430LX +m9L45JJhv5iMma2uooxP42NKo98jtDrj0E3pskXGpV42H9gfLFi9u0xmwW6dLL8pNXn udhKZc/V13SJD884ydh99jCEfTnLQ12UeL/hUYWlP0hMOGCEDmTVZxXOeix7e+RJfWcC J5MA== MIME-Version: 1.0 X-Received: by 10.70.44.101 with SMTP id d5mr15971624pdm.82.1405331660339; Mon, 14 Jul 2014 02:54:20 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Mon, 14 Jul 2014 02:54:20 -0700 (PDT) In-Reply-To: References: Date: Mon, 14 Jul 2014 10:54:20 +0100 Message-ID: From: David Scott To: Jon Loldrup Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Windows shares through Mirage? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8122206978587925846==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8122206978587925846== Content-Type: multipart/alternative; boundary=089e0103dfb067ff9804fe2446ba --089e0103dfb067ff9804fe2446ba Content-Type: text/plain; charset=UTF-8 Hi, I think the easiest way to access data from windows would be to expose an HTTP server in your Mirage application. The HTTP code is robust and in use all over the place. Another option (which I haven't tried) would be to expose the git protocol via Irmin and then use a Windows git client like 'tortoisegit' which integrates with the Windows shell. This would give you history tracking for free. We plan to use irmin/git all over the place in Mirage so, even though the code is quite new, I feel happy recommending it. We don't have a library which can talk SMB/CIFS (the protocol used by Samba and Windows) and it's reputed to be quite complex so it would take a lot of effort to implement. Cheers, On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup wrote: > Hi > > In Ubuntu I can install Samba to make a shared network drive accessible by > Windows computers. > > Is there a way to achieve the same functionality when building my > application as a Mirage OS? > > regards > Jon Loldrup > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > -- Dave Scott --089e0103dfb067ff9804fe2446ba Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

I think the easiest way to access d= ata from windows would be to expose an HTTP server in your Mirage applicati= on. The HTTP code is robust and in use all over the place.

Another option (which I haven't tried) would be to expose the git = protocol via Irmin and then use a Windows git client like 'tortoisegit&= #39; which integrates with the Windows shell. This would give you history t= racking for free. We plan to use irmin/git all over the place in Mirage so,= even though the code is quite new, I feel happy recommending it.

We don't have a library which can talk SMB/CIFS (th= e protocol used by Samba and Windows) and it's reputed to be quite comp= lex so it would take a lot of effort to implement.

Cheers,


On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup &= lt;loldrup@gmail.com= > wrote:

Hi

In Ubuntu I can install Samba to make a shared network drive= accessible by Windows computers.

Is there a way to achieve the same functionality when buildi= ng my application as a Mirage OS?

regards
Jon Loldrup


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel




--
Dave Sco= tt
--089e0103dfb067ff9804fe2446ba-- --===============8122206978587925846== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8122206978587925846==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 09:54:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 09:54:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6cxm-0004HG-Nf; Mon, 14 Jul 2014 09:54:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6cxl-0004H1-3X for MirageOS-devel@lists.xenproject.org; Mon, 14 Jul 2014 09:54:25 +0000 Received: from [85.158.139.211:34837] by server-11.bemta-5.messagelabs.com id 1E/3B-31786-0D8A3C35; Mon, 14 Jul 2014 09:54:24 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-13.tower-206.messagelabs.com!1405331660!15392089!1 X-Originating-IP: [209.85.220.41] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23129 invoked from network); 14 Jul 2014 09:54:22 -0000 Received: from mail-pa0-f41.google.com (HELO mail-pa0-f41.google.com) (209.85.220.41) by server-13.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 09:54:22 -0000 Received: by mail-pa0-f41.google.com with SMTP id fb1so5140779pad.0 for ; Mon, 14 Jul 2014 02:54:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=a3BuLbUWPL/GWigqvZjMCoo0BQ/C/h2gBNsTMdy1YEA=; b=gs6y1JgZScTJfqSM0U1t5B0vZeO+EaAIYGPbzTlfVCl7h3S+Jron23R7VS4VT5o4oU WEcS8qfwqq/AT0kqGGvKL333NIF/4jwMGNTsNd4rIxLOCKA2NKI+QEIr2ma4QJBqxNuV R4bhWkkIuSokszXZsInfVqxdNNuAzm6fUG+G7uPURL8ysmy5uUhRtdOM/nJ/ElJ430LX +m9L45JJhv5iMma2uooxP42NKo98jtDrj0E3pskXGpV42H9gfLFi9u0xmwW6dLL8pNXn udhKZc/V13SJD884ydh99jCEfTnLQ12UeL/hUYWlP0hMOGCEDmTVZxXOeix7e+RJfWcC J5MA== MIME-Version: 1.0 X-Received: by 10.70.44.101 with SMTP id d5mr15971624pdm.82.1405331660339; Mon, 14 Jul 2014 02:54:20 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Mon, 14 Jul 2014 02:54:20 -0700 (PDT) In-Reply-To: References: Date: Mon, 14 Jul 2014 10:54:20 +0100 Message-ID: From: David Scott To: Jon Loldrup Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Windows shares through Mirage? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8122206978587925846==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8122206978587925846== Content-Type: multipart/alternative; boundary=089e0103dfb067ff9804fe2446ba --089e0103dfb067ff9804fe2446ba Content-Type: text/plain; charset=UTF-8 Hi, I think the easiest way to access data from windows would be to expose an HTTP server in your Mirage application. The HTTP code is robust and in use all over the place. Another option (which I haven't tried) would be to expose the git protocol via Irmin and then use a Windows git client like 'tortoisegit' which integrates with the Windows shell. This would give you history tracking for free. We plan to use irmin/git all over the place in Mirage so, even though the code is quite new, I feel happy recommending it. We don't have a library which can talk SMB/CIFS (the protocol used by Samba and Windows) and it's reputed to be quite complex so it would take a lot of effort to implement. Cheers, On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup wrote: > Hi > > In Ubuntu I can install Samba to make a shared network drive accessible by > Windows computers. > > Is there a way to achieve the same functionality when building my > application as a Mirage OS? > > regards > Jon Loldrup > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > -- Dave Scott --089e0103dfb067ff9804fe2446ba Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

I think the easiest way to access d= ata from windows would be to expose an HTTP server in your Mirage applicati= on. The HTTP code is robust and in use all over the place.

Another option (which I haven't tried) would be to expose the git = protocol via Irmin and then use a Windows git client like 'tortoisegit&= #39; which integrates with the Windows shell. This would give you history t= racking for free. We plan to use irmin/git all over the place in Mirage so,= even though the code is quite new, I feel happy recommending it.

We don't have a library which can talk SMB/CIFS (th= e protocol used by Samba and Windows) and it's reputed to be quite comp= lex so it would take a lot of effort to implement.

Cheers,


On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup &= lt;loldrup@gmail.com= > wrote:

Hi

In Ubuntu I can install Samba to make a shared network drive= accessible by Windows computers.

Is there a way to achieve the same functionality when buildi= ng my application as a Mirage OS?

regards
Jon Loldrup


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel




--
Dave Sco= tt
--089e0103dfb067ff9804fe2446ba-- --===============8122206978587925846== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8122206978587925846==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 10:51:23 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 10:51:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dqs-0004zk-D4; Mon, 14 Jul 2014 10:51:22 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dqq-0004zW-Uq for mirageos-devel@lists.xenproject.org; Mon, 14 Jul 2014 10:51:21 +0000 Received: from [85.158.139.211:11721] by server-12.bemta-5.messagelabs.com id B2/9D-11323-826B3C35; Mon, 14 Jul 2014 10:51:20 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1405335079!12036506!1 X-Originating-IP: [74.125.82.182] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27820 invoked from network); 14 Jul 2014 10:51:19 -0000 Received: from mail-we0-f182.google.com (HELO mail-we0-f182.google.com) (74.125.82.182) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 10:51:19 -0000 Received: by mail-we0-f182.google.com with SMTP id q59so3920732wes.13 for ; Mon, 14 Jul 2014 03:51:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=FMFiq8eWRY9oCqwJEroVSo6GBUR3PvRFwOjO8KhSnDk=; b=SFh5OkjzWIwBTz+X4Cw5iL1MYT+0bYuD6x7TdotuGZxB9su5e6ylgh50bIgyQTDvl7 nVkvO6kbki95H1MnXE3FZtEMfha6LAkvmLUklEuHKsPaIUk9u7JVsbiFd2TT4NNOkbbH jKlNCelm+/qErAAGlMwU5lvMxD1e0dNENi380waQEoFTHts2sr0e9WWtLCZ+jN2ZX4JK /b55KkUB/8c/jTrQg6dGqlkOhJrSxJLv/uENIIEIhtNbOervN8JbrxPM3rYqZersMiTX MamKR0PBZ5UDGuziPOQmb+WNltmCKYN1bUqwRh036rjeDxfjXpJ5cR4k5Cr5qybDyTVd Bb1Q== X-Received: by 10.194.9.198 with SMTP id c6mr2348745wjb.131.1405335079534; Mon, 14 Jul 2014 03:51:19 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id w10sm29735554wie.22.2014.07.14.03.51.18 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Jul 2014 03:51:18 -0700 (PDT) Message-ID: <53C3B625.3080607@xen.org> Date: Mon, 14 Jul 2014 11:51:17 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Ian Campbell References: <53B28517.9020807@xen.org> <1404902570.16789.3.camel@kazak.uk.xensource.com> <53BD2756.2070602@xen.org> <1404906408.16789.14.camel@kazak.uk.xensource.com> In-Reply-To: <1404906408.16789.14.camel@kazak.uk.xensource.com> Cc: Artem Mygaiev , "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Andrii Tseglytskyi Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 09/07/2014 12:46, Ian Campbell wrote: > On Wed, 2014-07-09 at 12:28 +0100, Lars Kurth wrote: > >>> "To build these drivers, the QNX GNU libc variant is used (licensed >>> under GPL)." >>> >>> Not LGPL? QNX using GPL for it's libc seems like an odd choice >>> for them, since it requires anything linking against it to be >>> GPL compatible. I suspect this a typo. >> Corrected > Just to be clear; I've no idea what license the QNX libc is under, it > could be GPL for all I know, I was just querying it because it surprised > me. > > (Just want to be sure you didn't assume I know it was LGPL or something) I did go back and checked it. I tripped over it, as this was thrown into a collection with compilers. It needed drilling a level deeper down Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 10:51:23 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 10:51:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dqs-0004zk-D4; Mon, 14 Jul 2014 10:51:22 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dqq-0004zW-Uq for mirageos-devel@lists.xenproject.org; Mon, 14 Jul 2014 10:51:21 +0000 Received: from [85.158.139.211:11721] by server-12.bemta-5.messagelabs.com id B2/9D-11323-826B3C35; Mon, 14 Jul 2014 10:51:20 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1405335079!12036506!1 X-Originating-IP: [74.125.82.182] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27820 invoked from network); 14 Jul 2014 10:51:19 -0000 Received: from mail-we0-f182.google.com (HELO mail-we0-f182.google.com) (74.125.82.182) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 10:51:19 -0000 Received: by mail-we0-f182.google.com with SMTP id q59so3920732wes.13 for ; Mon, 14 Jul 2014 03:51:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=FMFiq8eWRY9oCqwJEroVSo6GBUR3PvRFwOjO8KhSnDk=; b=SFh5OkjzWIwBTz+X4Cw5iL1MYT+0bYuD6x7TdotuGZxB9su5e6ylgh50bIgyQTDvl7 nVkvO6kbki95H1MnXE3FZtEMfha6LAkvmLUklEuHKsPaIUk9u7JVsbiFd2TT4NNOkbbH jKlNCelm+/qErAAGlMwU5lvMxD1e0dNENi380waQEoFTHts2sr0e9WWtLCZ+jN2ZX4JK /b55KkUB/8c/jTrQg6dGqlkOhJrSxJLv/uENIIEIhtNbOervN8JbrxPM3rYqZersMiTX MamKR0PBZ5UDGuziPOQmb+WNltmCKYN1bUqwRh036rjeDxfjXpJ5cR4k5Cr5qybDyTVd Bb1Q== X-Received: by 10.194.9.198 with SMTP id c6mr2348745wjb.131.1405335079534; Mon, 14 Jul 2014 03:51:19 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id w10sm29735554wie.22.2014.07.14.03.51.18 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Jul 2014 03:51:18 -0700 (PDT) Message-ID: <53C3B625.3080607@xen.org> Date: Mon, 14 Jul 2014 11:51:17 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Ian Campbell References: <53B28517.9020807@xen.org> <1404902570.16789.3.camel@kazak.uk.xensource.com> <53BD2756.2070602@xen.org> <1404906408.16789.14.camel@kazak.uk.xensource.com> In-Reply-To: <1404906408.16789.14.camel@kazak.uk.xensource.com> Cc: Artem Mygaiev , "xen-devel@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-api@lists.xen.org" , Alex Agizim , Andrii Tseglytskyi Subject: Re: [MirageOS-devel] [Xen-devel] [For Community Review] Embedded and Automotive PV Drivers Sub-Project Proposal (deadline July 11th) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 09/07/2014 12:46, Ian Campbell wrote: > On Wed, 2014-07-09 at 12:28 +0100, Lars Kurth wrote: > >>> "To build these drivers, the QNX GNU libc variant is used (licensed >>> under GPL)." >>> >>> Not LGPL? QNX using GPL for it's libc seems like an odd choice >>> for them, since it requires anything linking against it to be >>> GPL compatible. I suspect this a typo. >> Corrected > Just to be clear; I've no idea what license the QNX libc is under, it > could be GPL for all I know, I was just querying it because it surprised > me. > > (Just want to be sure you didn't assume I know it was LGPL or something) I did go back and checked it. I tripped over it, as this was thrown into a collection with compilers. It needed drilling a level deeper down Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 10:52:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 10:52:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dsC-0005B6-QW; Mon, 14 Jul 2014 10:52:44 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dsB-00059r-2Y for mirageos-devel@lists.xenproject.org; Mon, 14 Jul 2014 10:52:43 +0000 Received: from [85.158.137.68:38770] by server-12.bemta-3.messagelabs.com id 39/BB-12714-A76B3C35; Mon, 14 Jul 2014 10:52:42 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1405335161!15813961!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2493 invoked from network); 14 Jul 2014 10:52:41 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 10:52:41 -0000 Received: by mail-wi0-f171.google.com with SMTP id hi2so2305953wib.4 for ; Mon, 14 Jul 2014 03:52:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=rOwbujRbSaif4scJPW5ZOjZJKzHV2uTbjAfjAbX9BPM=; b=HrM0Px4bfSX/OR+8Pk4EpRQi87RYrrytLD9ZaUKFkNkArUXQbin43qaOCNo9oo94cT KuaPE017zOUaIZouFhK3I4y03YN9kIw6FadkpNZLipFLyuEk3nbIrQiqBvVrpks0sNnz x6BYUSxeJldngEE1b52ZYiRbr/m1Qe0266zuxsTJt3eS6ue1bAZWPCO1HJBmavSampXZ xOTLPY26PXqAK7Qcj8jQ+gZPkeP/ZqM/vnx1H8J7oXiSRSNSSqzepInqBzwz3MXRwpVE +qxj/GqMq7ZMT2JK714lgBuENRcI07Q+qxmSlBOY48nC0r3EaYwvPw7a5MSu4XuuzRxP o2AA== X-Received: by 10.180.89.143 with SMTP id bo15mr23250566wib.78.1405335160570; Mon, 14 Jul 2014 03:52:40 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id h3sm24683997wjz.48.2014.07.14.03.52.39 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Jul 2014 03:52:39 -0700 (PDT) Message-ID: <53C3B676.8050204@xen.org> Date: Mon, 14 Jul 2014 11:52:38 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Ian Campbell References: <53BD5C45.807@xen.org> <1405010424.7406.1.camel@kazak.uk.xensource.com> In-Reply-To: <1405010424.7406.1.camel@kazak.uk.xensource.com> Cc: "xen-api@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [Input Needed] GitDM Config files & privacy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10/07/2014 17:40, Ian Campbell wrote: > On Wed, 2014-07-09 at 16:14 +0100, Lars Kurth wrote: >> Hi all, >> >> I was in the process of publishing GitDM including config files in my >> personal xenbits repository, such that other community members can run >> contribution stats. However the config files contain email addresses and >> thus there may be a potential privacy issue. Config files contain >> * e-mail domain to employer mappings >> * some e-mail address to employer mappings >> * email address aliases mappings >> * email address to name mappings (for acknowledgements) >> >> Most of the information in them are public in the first place (i.e. they >> are available from git logs and mailing lists). >> >> I know that open source foundations such as OpenStack publish their >> GitDM config files and I also found some other ones flying around. >> >> But before I publish anything I did want to check whether there are >> objections. > For stuff gleaned from public info it seems ok. My view also > But for stuff which was taken from private conversations I think you > probably ought to ask if it is ok to share it (and get into the habit of > doing so when you first ask someone who there employer is). Of course the problem I have now is that I can't remember whom I asked. Agreed on moving forward Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 10:52:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 10:52:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dsC-0005B6-QW; Mon, 14 Jul 2014 10:52:44 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6dsB-00059r-2Y for mirageos-devel@lists.xenproject.org; Mon, 14 Jul 2014 10:52:43 +0000 Received: from [85.158.137.68:38770] by server-12.bemta-3.messagelabs.com id 39/BB-12714-A76B3C35; Mon, 14 Jul 2014 10:52:42 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1405335161!15813961!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2493 invoked from network); 14 Jul 2014 10:52:41 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 14 Jul 2014 10:52:41 -0000 Received: by mail-wi0-f171.google.com with SMTP id hi2so2305953wib.4 for ; Mon, 14 Jul 2014 03:52:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:reply-to:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=rOwbujRbSaif4scJPW5ZOjZJKzHV2uTbjAfjAbX9BPM=; b=HrM0Px4bfSX/OR+8Pk4EpRQi87RYrrytLD9ZaUKFkNkArUXQbin43qaOCNo9oo94cT KuaPE017zOUaIZouFhK3I4y03YN9kIw6FadkpNZLipFLyuEk3nbIrQiqBvVrpks0sNnz x6BYUSxeJldngEE1b52ZYiRbr/m1Qe0266zuxsTJt3eS6ue1bAZWPCO1HJBmavSampXZ xOTLPY26PXqAK7Qcj8jQ+gZPkeP/ZqM/vnx1H8J7oXiSRSNSSqzepInqBzwz3MXRwpVE +qxj/GqMq7ZMT2JK714lgBuENRcI07Q+qxmSlBOY48nC0r3EaYwvPw7a5MSu4XuuzRxP o2AA== X-Received: by 10.180.89.143 with SMTP id bo15mr23250566wib.78.1405335160570; Mon, 14 Jul 2014 03:52:40 -0700 (PDT) Received: from [172.16.25.10] (97e5a05a.skybroadband.com. [151.229.160.90]) by mx.google.com with ESMTPSA id h3sm24683997wjz.48.2014.07.14.03.52.39 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 14 Jul 2014 03:52:39 -0700 (PDT) Message-ID: <53C3B676.8050204@xen.org> Date: Mon, 14 Jul 2014 11:52:38 +0100 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: Ian Campbell References: <53BD5C45.807@xen.org> <1405010424.7406.1.camel@kazak.uk.xensource.com> In-Reply-To: <1405010424.7406.1.camel@kazak.uk.xensource.com> Cc: "xen-api@lists.xen.org" , "mirageos-devel@lists.xenproject.org" , "xen-devel@lists.xen.org" Subject: Re: [MirageOS-devel] [Xen-devel] [Input Needed] GitDM Config files & privacy X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: lars.kurth@xen.org List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 10/07/2014 17:40, Ian Campbell wrote: > On Wed, 2014-07-09 at 16:14 +0100, Lars Kurth wrote: >> Hi all, >> >> I was in the process of publishing GitDM including config files in my >> personal xenbits repository, such that other community members can run >> contribution stats. However the config files contain email addresses and >> thus there may be a potential privacy issue. Config files contain >> * e-mail domain to employer mappings >> * some e-mail address to employer mappings >> * email address aliases mappings >> * email address to name mappings (for acknowledgements) >> >> Most of the information in them are public in the first place (i.e. they >> are available from git logs and mailing lists). >> >> I know that open source foundations such as OpenStack publish their >> GitDM config files and I also found some other ones flying around. >> >> But before I publish anything I did want to check whether there are >> objections. > For stuff gleaned from public info it seems ok. My view also > But for stuff which was taken from private conversations I think you > probably ought to ask if it is ok to share it (and get into the habit of > doing so when you first ask someone who there employer is). Of course the problem I have now is that I can't remember whom I asked. Agreed on moving forward Lars _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 12:21:54 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 12:21:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6fGO-0007Fk-Gr; Mon, 14 Jul 2014 12:21:48 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6fGN-0007Ff-2I for MirageOS-devel@lists.xenproject.org; Mon, 14 Jul 2014 12:21:47 +0000 Received: from [85.158.143.35:57732] by server-1.bemta-4.messagelabs.com id 9D/F0-30046-A5BC3C35; Mon, 14 Jul 2014 12:21:46 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-21.messagelabs.com!1405340505!17593540!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7355 invoked from network); 14 Jul 2014 12:21:45 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-21.messagelabs.com with SMTP; 14 Jul 2014 12:21:45 -0000 Received: (qmail 31198 invoked by uid 634); 14 Jul 2014 12:21:44 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 14 Jul 2014 13:21:43 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 14 Jul 2014 13:21:41 +0100 Message-Id: References: To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Jon Loldrup , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Windows shares through Mirage? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3258518426392065864==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3258518426392065864== Content-Type: multipart/alternative; boundary="Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34" --Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Yes, HTTP is the most likely short-term answer, since we are a small = step away from implementing it in Mirage over the Cohttp library. = Here's the options as I see them now: - Export an NFS server, and use a Windows NFS client: we have OCaml-NFS, = so this is quite possible in the short term with some modernisation of = that code. Nicolas Ojeda Bar has been looking at this recently, but only = in a preliminary sense. - Export WebDAV: needs the TLS stack (we have that now!), an XML library = (we have xmlm), the HTTP protocol (we have Cohttp) and the DAV protocol = implementation (we need this). Once the last phase is built, it should = be possible to mount Mirage shares as a filesystem via Windows, MacOS X = or Linux, since they all have WebDAV mounting support builtin now. - Export FUSE: David Sheets has a FUSE implementation, but this is = rather Linux-centric. There does exist a fuse4win, but I have no idea = how good it is. The other nice aspect of CIFS is its service discovery. We would need = to replace that with a multicast-DNS ("Bonjour") implementation, which = we have some code from back in 2007 when Dave Scott and I built this = (into OCaml-DNS). Not hard to resurrect, and I in fact need this for = the Xen/ARM SDcard image builder to announce the IP address of the = Cubieboard on first boot, so I'll resurrect this in the short term. What sort of use-cases are you thinking of, Jon? cheers Anil On 14 Jul 2014, at 10:54, David Scott wrote: > Hi, >=20 > I think the easiest way to access data from windows would be to expose = an HTTP server in your Mirage application. The HTTP code is robust and = in use all over the place. >=20 > Another option (which I haven't tried) would be to expose the git = protocol via Irmin and then use a Windows git client like 'tortoisegit' = which integrates with the Windows shell. This would give you history = tracking for free. We plan to use irmin/git all over the place in Mirage = so, even though the code is quite new, I feel happy recommending it. >=20 > We don't have a library which can talk SMB/CIFS (the protocol used by = Samba and Windows) and it's reputed to be quite complex so it would take = a lot of effort to implement. >=20 > Cheers, >=20 >=20 > On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup = wrote: > Hi >=20 > In Ubuntu I can install Samba to make a shared network drive = accessible by Windows computers. >=20 > Is there a way to achieve the same functionality when building my = application as a Mirage OS? >=20 > regards > Jon Loldrup >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 >=20 >=20 >=20 > --=20 > Dave Scott > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Yes, = HTTP is the most likely short-term answer, since we are a small step = away from implementing it in Mirage over the Cohttp library. =  Here's the options as I see them now:

- Export = an NFS server, and use a Windows NFS client: we have OCaml-NFS, so this = is quite possible in the short term with some modernisation of that = code. Nicolas Ojeda Bar has been looking at this recently, but only in a = preliminary sense.

- Export WebDAV: needs the = TLS stack (we have that now!), an XML library (we have xmlm), the HTTP = protocol (we have Cohttp) and the DAV protocol implementation  (we = need this).  Once the last phase is built, it should be possible to = mount Mirage shares as a filesystem via Windows, MacOS X or Linux, since = they all have WebDAV mounting support builtin = now.

- Export FUSE: David Sheets has a FUSE = implementation, but this is rather Linux-centric.  There does exist = a fuse4win, but I have no idea how good it = is.

The other nice aspect of CIFS is its = service discovery.  We would need to replace that with a = multicast-DNS ("Bonjour") implementation, which we have some code from = back in 2007 when Dave Scott and I built this (into OCaml-DNS). =  Not hard to resurrect, and I in fact need this for the Xen/ARM = SDcard image builder to announce the IP address of the Cubieboard on = first boot, so I'll resurrect this in the short = term.

What sort of use-cases are you thinking = of, = Jon?

cheers
Anil

On 14 Jul 2014, at 10:54, David Scott <scott.dj@gmail.com> = wrote:

Hi,

I think the = easiest way to access data from windows would be to expose an HTTP = server in your Mirage application. The HTTP code is robust and in use = all over the place.

Another option (which I haven't tried) would be to expose the git = protocol via Irmin and then use a Windows git client like 'tortoisegit' = which integrates with the Windows shell. This would give you history = tracking for free. We plan to use irmin/git all over the place in Mirage = so, even though the code is quite new, I feel happy recommending = it.

We don't have a library which can talk SMB/CIFS (the = protocol used by Samba and Windows) and it's reputed to be quite complex = so it would take a lot of effort to implement.

Cheers,


On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup <loldrup@gmail.com> wrote:

Hi

In Ubuntu I can install Samba to make a shared network drive = accessible by Windows computers.

Is there a way to = achieve the same functionality when building my application as a Mirage = OS?

regards
Jon Loldrup


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mir= ageos-devel




--
Dave = Scott
_______________________________________________
MirageOS-devel = mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34-- --===============3258518426392065864== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3258518426392065864==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 14 12:21:54 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 14 Jul 2014 12:21:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6fGO-0007Fk-Gr; Mon, 14 Jul 2014 12:21:48 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X6fGN-0007Ff-2I for MirageOS-devel@lists.xenproject.org; Mon, 14 Jul 2014 12:21:47 +0000 Received: from [85.158.143.35:57732] by server-1.bemta-4.messagelabs.com id 9D/F0-30046-A5BC3C35; Mon, 14 Jul 2014 12:21:46 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-21.messagelabs.com!1405340505!17593540!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7355 invoked from network); 14 Jul 2014 12:21:45 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-21.messagelabs.com with SMTP; 14 Jul 2014 12:21:45 -0000 Received: (qmail 31198 invoked by uid 634); 14 Jul 2014 12:21:44 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 14 Jul 2014 13:21:43 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 14 Jul 2014 13:21:41 +0100 Message-Id: References: To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Jon Loldrup , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Windows shares through Mirage? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3258518426392065864==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3258518426392065864== Content-Type: multipart/alternative; boundary="Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34" --Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Yes, HTTP is the most likely short-term answer, since we are a small = step away from implementing it in Mirage over the Cohttp library. = Here's the options as I see them now: - Export an NFS server, and use a Windows NFS client: we have OCaml-NFS, = so this is quite possible in the short term with some modernisation of = that code. Nicolas Ojeda Bar has been looking at this recently, but only = in a preliminary sense. - Export WebDAV: needs the TLS stack (we have that now!), an XML library = (we have xmlm), the HTTP protocol (we have Cohttp) and the DAV protocol = implementation (we need this). Once the last phase is built, it should = be possible to mount Mirage shares as a filesystem via Windows, MacOS X = or Linux, since they all have WebDAV mounting support builtin now. - Export FUSE: David Sheets has a FUSE implementation, but this is = rather Linux-centric. There does exist a fuse4win, but I have no idea = how good it is. The other nice aspect of CIFS is its service discovery. We would need = to replace that with a multicast-DNS ("Bonjour") implementation, which = we have some code from back in 2007 when Dave Scott and I built this = (into OCaml-DNS). Not hard to resurrect, and I in fact need this for = the Xen/ARM SDcard image builder to announce the IP address of the = Cubieboard on first boot, so I'll resurrect this in the short term. What sort of use-cases are you thinking of, Jon? cheers Anil On 14 Jul 2014, at 10:54, David Scott wrote: > Hi, >=20 > I think the easiest way to access data from windows would be to expose = an HTTP server in your Mirage application. The HTTP code is robust and = in use all over the place. >=20 > Another option (which I haven't tried) would be to expose the git = protocol via Irmin and then use a Windows git client like 'tortoisegit' = which integrates with the Windows shell. This would give you history = tracking for free. We plan to use irmin/git all over the place in Mirage = so, even though the code is quite new, I feel happy recommending it. >=20 > We don't have a library which can talk SMB/CIFS (the protocol used by = Samba and Windows) and it's reputed to be quite complex so it would take = a lot of effort to implement. >=20 > Cheers, >=20 >=20 > On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup = wrote: > Hi >=20 > In Ubuntu I can install Samba to make a shared network drive = accessible by Windows computers. >=20 > Is there a way to achieve the same functionality when building my = application as a Mirage OS? >=20 > regards > Jon Loldrup >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 >=20 >=20 >=20 > --=20 > Dave Scott > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Yes, = HTTP is the most likely short-term answer, since we are a small step = away from implementing it in Mirage over the Cohttp library. =  Here's the options as I see them now:

- Export = an NFS server, and use a Windows NFS client: we have OCaml-NFS, so this = is quite possible in the short term with some modernisation of that = code. Nicolas Ojeda Bar has been looking at this recently, but only in a = preliminary sense.

- Export WebDAV: needs the = TLS stack (we have that now!), an XML library (we have xmlm), the HTTP = protocol (we have Cohttp) and the DAV protocol implementation  (we = need this).  Once the last phase is built, it should be possible to = mount Mirage shares as a filesystem via Windows, MacOS X or Linux, since = they all have WebDAV mounting support builtin = now.

- Export FUSE: David Sheets has a FUSE = implementation, but this is rather Linux-centric.  There does exist = a fuse4win, but I have no idea how good it = is.

The other nice aspect of CIFS is its = service discovery.  We would need to replace that with a = multicast-DNS ("Bonjour") implementation, which we have some code from = back in 2007 when Dave Scott and I built this (into OCaml-DNS). =  Not hard to resurrect, and I in fact need this for the Xen/ARM = SDcard image builder to announce the IP address of the Cubieboard on = first boot, so I'll resurrect this in the short = term.

What sort of use-cases are you thinking = of, = Jon?

cheers
Anil

On 14 Jul 2014, at 10:54, David Scott <scott.dj@gmail.com> = wrote:

Hi,

I think the = easiest way to access data from windows would be to expose an HTTP = server in your Mirage application. The HTTP code is robust and in use = all over the place.

Another option (which I haven't tried) would be to expose the git = protocol via Irmin and then use a Windows git client like 'tortoisegit' = which integrates with the Windows shell. This would give you history = tracking for free. We plan to use irmin/git all over the place in Mirage = so, even though the code is quite new, I feel happy recommending = it.

We don't have a library which can talk SMB/CIFS (the = protocol used by Samba and Windows) and it's reputed to be quite complex = so it would take a lot of effort to implement.

Cheers,


On Mon, Jul 14, 2014 at 9:46 AM, Jon Loldrup <loldrup@gmail.com> wrote:

Hi

In Ubuntu I can install Samba to make a shared network drive = accessible by Windows computers.

Is there a way to = achieve the same functionality when building my application as a Mirage = OS?

regards
Jon Loldrup


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mir= ageos-devel




--
Dave = Scott
_______________________________________________
MirageOS-devel = mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_E1BA73F2-A1CA-4BDE-B2BA-7C49AB33CC34-- --===============3258518426392065864== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3258518426392065864==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 15 10:36:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 15 Jul 2014 10:36:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7061-0006OZ-7v; Tue, 15 Jul 2014 10:36:29 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X705z-0006OU-9R for mirageos-devel@lists.xenproject.org; Tue, 15 Jul 2014 10:36:27 +0000 Received: from [85.158.137.68:43581] by server-17.bemta-3.messagelabs.com id 58/1E-05521-A2405C35; Tue, 15 Jul 2014 10:36:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-31.messagelabs.com!1405420584!16040017!1 X-Originating-IP: [209.85.214.181] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11259 invoked from network); 15 Jul 2014 10:36:25 -0000 Received: from mail-ob0-f181.google.com (HELO mail-ob0-f181.google.com) (209.85.214.181) by server-5.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 15 Jul 2014 10:36:25 -0000 Received: by mail-ob0-f181.google.com with SMTP id va2so3695872obc.12 for ; Tue, 15 Jul 2014 03:36:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=nLygKUiCmilQagI8VG+nVXRhjeIklDHQrdsraY8JbrU=; b=kPBhZ8RWtYIJdKwNIc+chLVGj6eenLEkYvzhQQs/4x8wrdyKSGyqQ3yB/+lGoIJ0Hg s5Y+MFnX1dM/o6C9NaRH5K4UJo41jW9e9wiQ95gnYSWNXYf9qIT4IktuZ+qRqCL3SAnF 3GO5Eo8X6Jv1i032pdYVug2yCBy33VbbmEIgZp7n5FBmJQc2FUYi6IydGtQP++LA6Fme UK1UumSTjp/ipaQXr8+DzSx85VPvdWZq2mdcIyc5rueodoSrsKF3IY6rHRz1Qn0S3Nqp EnrON/HaCSlM7GAMi6Fq/hh+S9KbggNQKrV7lgcCLedysuenx3UeIl5FukSIcGFKN32X 1JHg== MIME-Version: 1.0 X-Received: by 10.182.114.131 with SMTP id jg3mr24753404obb.9.1405420582441; Tue, 15 Jul 2014 03:36:22 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 15 Jul 2014 03:36:22 -0700 (PDT) In-Reply-To: References: Date: Tue, 15 Jul 2014 11:36:22 +0100 Message-ID: From: Thomas Leonard To: buzz heavyyear Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org [ CC'ing mirageos-devel ] On 15 July 2014 11:24, buzz heavyyear wrote: > Still have the same issue (on Cubieboard2) : > > I updated xen-hypervisor and xen-utils (hf, 4.4) and rebooted > > linaro@linaro-developer:~$ xl list > ERROR: Can't find version 4.4 of xen utils, bailing out! > > Perhaps I should wait until everything has been merged? I really wanted to > get this working before moving onto libvirt. > > If you can't think of anything off the top of your head, I'll switch back > to my other sdcard with Anil's original image and play around with libvirt, > and then wait for merging. If you have a working image already then you can use that. The image just contains a normal Xen installation. The Mirage stuff gets added later. [ I've filed a bug report at https://bugs.linaro.org/show_bug.cgi?id=189 ] > Incidentally, I've been reading through the ARM Cortex-A's programming > manual, chapter on bigLittle cores and task scheduling. I guess all of this > is handled in Linux/Xen and not in minios? My interest is simply about > switching on/off cores when there are many/few mirageos instances running. I don't know, but presumably that's how it would work. > Is this anther one for the lists?! Probably best to keep all discussion on the list, as I'm sure other people will find it helpful too. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 15 10:36:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 15 Jul 2014 10:36:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7061-0006OZ-7v; Tue, 15 Jul 2014 10:36:29 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X705z-0006OU-9R for mirageos-devel@lists.xenproject.org; Tue, 15 Jul 2014 10:36:27 +0000 Received: from [85.158.137.68:43581] by server-17.bemta-3.messagelabs.com id 58/1E-05521-A2405C35; Tue, 15 Jul 2014 10:36:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-31.messagelabs.com!1405420584!16040017!1 X-Originating-IP: [209.85.214.181] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11259 invoked from network); 15 Jul 2014 10:36:25 -0000 Received: from mail-ob0-f181.google.com (HELO mail-ob0-f181.google.com) (209.85.214.181) by server-5.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 15 Jul 2014 10:36:25 -0000 Received: by mail-ob0-f181.google.com with SMTP id va2so3695872obc.12 for ; Tue, 15 Jul 2014 03:36:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=nLygKUiCmilQagI8VG+nVXRhjeIklDHQrdsraY8JbrU=; b=kPBhZ8RWtYIJdKwNIc+chLVGj6eenLEkYvzhQQs/4x8wrdyKSGyqQ3yB/+lGoIJ0Hg s5Y+MFnX1dM/o6C9NaRH5K4UJo41jW9e9wiQ95gnYSWNXYf9qIT4IktuZ+qRqCL3SAnF 3GO5Eo8X6Jv1i032pdYVug2yCBy33VbbmEIgZp7n5FBmJQc2FUYi6IydGtQP++LA6Fme UK1UumSTjp/ipaQXr8+DzSx85VPvdWZq2mdcIyc5rueodoSrsKF3IY6rHRz1Qn0S3Nqp EnrON/HaCSlM7GAMi6Fq/hh+S9KbggNQKrV7lgcCLedysuenx3UeIl5FukSIcGFKN32X 1JHg== MIME-Version: 1.0 X-Received: by 10.182.114.131 with SMTP id jg3mr24753404obb.9.1405420582441; Tue, 15 Jul 2014 03:36:22 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 15 Jul 2014 03:36:22 -0700 (PDT) In-Reply-To: References: Date: Tue, 15 Jul 2014 11:36:22 +0100 Message-ID: From: Thomas Leonard To: buzz heavyyear Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org [ CC'ing mirageos-devel ] On 15 July 2014 11:24, buzz heavyyear wrote: > Still have the same issue (on Cubieboard2) : > > I updated xen-hypervisor and xen-utils (hf, 4.4) and rebooted > > linaro@linaro-developer:~$ xl list > ERROR: Can't find version 4.4 of xen utils, bailing out! > > Perhaps I should wait until everything has been merged? I really wanted to > get this working before moving onto libvirt. > > If you can't think of anything off the top of your head, I'll switch back > to my other sdcard with Anil's original image and play around with libvirt, > and then wait for merging. If you have a working image already then you can use that. The image just contains a normal Xen installation. The Mirage stuff gets added later. [ I've filed a bug report at https://bugs.linaro.org/show_bug.cgi?id=189 ] > Incidentally, I've been reading through the ARM Cortex-A's programming > manual, chapter on bigLittle cores and task scheduling. I guess all of this > is handled in Linux/Xen and not in minios? My interest is simply about > switching on/off cores when there are many/few mirageos instances running. I don't know, but presumably that's how it would work. > Is this anther one for the lists?! Probably best to keep all discussion on the list, as I'm sure other people will find it helpful too. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 15 10:42:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 15 Jul 2014 10:42:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X70CE-0006RX-Rz; Tue, 15 Jul 2014 10:42:54 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X70CD-0006RS-Bc for mirageos-devel@lists.xenproject.org; Tue, 15 Jul 2014 10:42:53 +0000 Received: from [85.158.143.35:11080] by server-2.bemta-4.messagelabs.com id 93/D3-26128-CA505C35; Tue, 15 Jul 2014 10:42:52 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-21.messagelabs.com!1405420971!14368132!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32187 invoked from network); 15 Jul 2014 10:42:51 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-21.messagelabs.com with SMTP; 15 Jul 2014 10:42:51 -0000 Received: (qmail 9692 invoked by uid 634); 15 Jul 2014 10:42:51 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [10.207.230.1]) (31.55.58.252) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 15 Jul 2014 11:42:47 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 15 Jul 2014 11:42:45 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 15 Jul 2014, at 11:36, Thomas Leonard wrote: > [ CC'ing mirageos-devel ] > > On 15 July 2014 11:24, buzz heavyyear wrote: >> Still have the same issue (on Cubieboard2) : >> >> I updated xen-hypervisor and xen-utils (hf, 4.4) and rebooted >> >> linaro@linaro-developer:~$ xl list >> ERROR: Can't find version 4.4 of xen utils, bailing out! >> >> Perhaps I should wait until everything has been merged? I really wanted to >> get this working before moving onto libvirt. >> >> If you can't think of anything off the top of your head, I'll switch back >> to my other sdcard with Anil's original image and play around with libvirt, >> and then wait for merging. > > If you have a working image already then you can use that. The image > just contains a normal Xen installation. The Mirage stuff gets added > later. I wonder if it's worth compiling a custom 4.4 Xen with debug=y enabled for this image. It would make the serial console output more useful if guest emergency console logs show up... > > [ I've filed a bug report at https://bugs.linaro.org/show_bug.cgi?id=189 ] > >> Incidentally, I've been reading through the ARM Cortex-A's programming >> manual, chapter on bigLittle cores and task scheduling. I guess all of this >> is handled in Linux/Xen and not in minios? My interest is simply about >> switching on/off cores when there are many/few mirageos instances running. > > I don't know, but presumably that's how it would work. > >> Is this anther one for the lists?! > > Probably best to keep all discussion on the list, as I'm sure other > people will find it helpful too. Please do keep discussions about ARM on the list -- I certainly learn a lot from reading things like this. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 15 10:42:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 15 Jul 2014 10:42:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X70CE-0006RX-Rz; Tue, 15 Jul 2014 10:42:54 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X70CD-0006RS-Bc for mirageos-devel@lists.xenproject.org; Tue, 15 Jul 2014 10:42:53 +0000 Received: from [85.158.143.35:11080] by server-2.bemta-4.messagelabs.com id 93/D3-26128-CA505C35; Tue, 15 Jul 2014 10:42:52 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-21.messagelabs.com!1405420971!14368132!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32187 invoked from network); 15 Jul 2014 10:42:51 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-21.messagelabs.com with SMTP; 15 Jul 2014 10:42:51 -0000 Received: (qmail 9692 invoked by uid 634); 15 Jul 2014 10:42:51 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [10.207.230.1]) (31.55.58.252) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 15 Jul 2014 11:42:47 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 15 Jul 2014 11:42:45 +0100 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 15 Jul 2014, at 11:36, Thomas Leonard wrote: > [ CC'ing mirageos-devel ] > > On 15 July 2014 11:24, buzz heavyyear wrote: >> Still have the same issue (on Cubieboard2) : >> >> I updated xen-hypervisor and xen-utils (hf, 4.4) and rebooted >> >> linaro@linaro-developer:~$ xl list >> ERROR: Can't find version 4.4 of xen utils, bailing out! >> >> Perhaps I should wait until everything has been merged? I really wanted to >> get this working before moving onto libvirt. >> >> If you can't think of anything off the top of your head, I'll switch back >> to my other sdcard with Anil's original image and play around with libvirt, >> and then wait for merging. > > If you have a working image already then you can use that. The image > just contains a normal Xen installation. The Mirage stuff gets added > later. I wonder if it's worth compiling a custom 4.4 Xen with debug=y enabled for this image. It would make the serial console output more useful if guest emergency console logs show up... > > [ I've filed a bug report at https://bugs.linaro.org/show_bug.cgi?id=189 ] > >> Incidentally, I've been reading through the ARM Cortex-A's programming >> manual, chapter on bigLittle cores and task scheduling. I guess all of this >> is handled in Linux/Xen and not in minios? My interest is simply about >> switching on/off cores when there are many/few mirageos instances running. > > I don't know, but presumably that's how it would work. > >> Is this anther one for the lists?! > > Probably best to keep all discussion on the list, as I'm sure other > people will find it helpful too. Please do keep discussions about ARM on the list -- I certainly learn a lot from reading things like this. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 16 11:51:40 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 16 Jul 2014 11:51:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NkE-0008AN-Mu; Wed, 16 Jul 2014 11:51:34 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NkD-00089x-22 for mirageos-devel@lists.xenproject.org; Wed, 16 Jul 2014 11:51:33 +0000 Received: from [85.158.143.35:4117] by server-3.bemta-4.messagelabs.com id 83/26-09960-44766C35; Wed, 16 Jul 2014 11:51:32 +0000 X-Env-Sender: tom.jrbrown@yahoo.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1405511490!18072262!1 X-Originating-IP: [98.138.229.27] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7701 invoked from network); 16 Jul 2014 11:51:31 -0000 Received: from nm34.bullet.mail.ne1.yahoo.com (HELO nm34.bullet.mail.ne1.yahoo.com) (98.138.229.27) by server-15.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Jul 2014 11:51:31 -0000 Received: from [127.0.0.1] by nm34.bullet.mail.ne1.yahoo.com with NNFMP; 16 Jul 2014 11:51:29 -0000 Received: from [98.138.100.111] by nm34.bullet.mail.ne1.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 Received: from [212.82.98.52] by tm100.bullet.mail.ne1.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 Received: from [212.82.98.88] by tm5.bullet.mail.ir2.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 Received: from [127.0.0.1] by omp1025.mail.ir2.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 166134.9311.bm@omp1025.mail.ir2.yahoo.com Received: (qmail 83642 invoked by uid 60001); 16 Jul 2014 11:48:46 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1405511326; bh=oCrCySV05y9Cm7pOYBgdjKoUeSyeVj9WZUZ8Y3D+Emk=; h=Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type; b=EPy7QMCKSmx9v60oeBUQ0qEbXKWQFPzC11te8iNtUWj++sjoTF0AnYHkLCCPxXmTPtkYEXZBmwBPrbl9Eg0mxG5ptNrQouj9GrNnrLQ0a6QdnXNlCDGjVR64ZchmgHpnqY4XNH3i0KUuv7aY3YpHzzfRLdHtQyL9upw0rZrgHXY= X-YMail-OSG: boCmQAEVM1lGX4fyu5ve3DmAI_sL9_2Mtj8oj0fDosj0pfX JehrvoYvMWoHYcJMQYHDjVUVmatUV4ghtwhlAfQ0oAY53hvQsskQH7WfPa73 daI7kOdQUkGxN2rPfw6uXDNOJR0zQkTb.FOcUIpiTGGQDeKmGcMfkW5Bbjtd OG_B92I6dHGjhtRdWKRyUegDyJ7SGtoEzUByw8wOCPAnd0VpHGpSl4etrHxp 9e_FWltE8e5GSoRB2oxsHdgN2Ql8QmhAeQsNlbDmZZa.UdUzr77woydpgb6T _PdPDONxtVqx.uMtP9FuVBhzkZBMnG_0B8X2P4b19DV1SmTMRZNjhtiJhixY n5bujoufLOAsKOoh84sYUFfzB3My.YYfcruGZVk7ac_5Yvb0LiJ.59.lHJV4 R_Bw6EOBNn2FwNLGn_MJ4gzDI_LfZLPwkEVzgnehMesj7km7jsCTrJxZHJ.C zHgUFCxTQ0feSnlQ7F5Pv1J30KSiU3qQOSl.iiM28uzjQoQ5e4x12y47ffPf 2hp1wH51kcvhrstFO9HhQC4c.tMruhBgS2p2NJkB1kjgkLSvt9D0Z9Oe9 Received: from [178.63.97.34] by web172005.mail.ir2.yahoo.com via HTTP; Wed, 16 Jul 2014 12:48:45 BST X-Rocket-MIMEInfo: 002.001, SGkgYWxsLAoKSSByZWNlaXZlIHRoZSBmb2xsb3dpbmcgZXJyb3Igd2hlbiBJIGNvbXBpbGUgYSBNaXJhZ2UgYXBwbGljYXRpb24sIGV4YWN0bHkgb24gdGhlIGxpbmVzIHRoYXQgSSBoYXZlIGNzdHJ1Y3QgZGVmaW5pdGlvbnM6CgpQYXJzZSBlcnJvcjogW2xhYmVsX2V4cHJfbGlzdF0gb3IgW2V4cHIgbGV2ZWwgLl0gZXhwZWN0ZWQgYWZ0ZXIgInsiIChpbiBbZXhwcl0pClByZXByb2Nlc3NpbmcgZXJyb3Igb24gZmlsZSBsaWIvaW5wdXQubWwKRXJyb3Igd2hpbGUgcnVubmluZyBleHRlcm5hbCBwcmVwcm9jZXMBMAEBAQE- X-Mailer: YahooMailWebService/0.8.194.680 Message-ID: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> Date: Wed, 16 Jul 2014 12:48:45 +0100 From: Tom Brown To: "mirageos-devel@lists.xenproject.org" MIME-Version: 1.0 Subject: [MirageOS-devel] Compile error when using cstruct X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0580158016907565688==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0580158016907565688== Content-Type: multipart/alternative; boundary="-1829062554-2087767062-1405511325=:69618" ---1829062554-2087767062-1405511325=:69618 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi all,=0A=0AI receive the following error when I compile a Mirage applicat= ion, exactly on the lines that I have cstruct definitions:=0A=0AParse error= : [label_expr_list] or [expr level .] expected after "{" (in [expr])=0APrep= rocessing error on file lib/input.ml=0AError while running external preproc= essor=0ACommand line: camlp4 '-I' '/usr/lib/ocaml/camlp4' '-I' '/home/ocaml= /.opam/system/lib/lwt' '-I' '/home/ocaml/.opam/system/lib/lwt' '-parser' 'o= ' '-parser' 'op' '-printer' 'p' 'lwt-syntax-options.cma' 'lwt-syntax.cma'= =A0 'lib/input.ml' > /tmp/ocamlppf271c4=0A=0AWould you please help me in fi= nding the problem?=0A=0AThanks.=0A ---1829062554-2087767062-1405511325=:69618 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Hi all,

I receive the following error when I compile a Mirage applicati= on, exactly on the lines that I have cstruct definitions:

Parse error: [label_expr_list] or [expr level .] expe= cted after "{" (in [expr])
Preprocessing error on = file lib/input.ml
Error while running external pre= processor
Command line: camlp4 '-I' '/usr/lib/ocam= l/camlp4' '-I' '/home/ocaml/.opam/system/lib/lwt' '-I' '/home/ocaml/.opam/s= ystem/lib/lwt' '-parser' 'o' '-parser' 'op' '-printer' 'p' 'lwt-syntax-opti= ons.cma' 'lwt-syntax.cma'  'lib/input.ml' > /tmp/ocamlppf271c4

Would you please help me in finding the problem?

<= div class=3D"" style=3D"color: rgb(0, 0, 0); font-size: 16px; font-family: = HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif; back= ground-color: transparent; font-style: normal;">Thanks.
---1829062554-2087767062-1405511325=:69618-- --===============0580158016907565688== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0580158016907565688==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 16 11:51:40 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 16 Jul 2014 11:51:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NkE-0008AN-Mu; Wed, 16 Jul 2014 11:51:34 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NkD-00089x-22 for mirageos-devel@lists.xenproject.org; Wed, 16 Jul 2014 11:51:33 +0000 Received: from [85.158.143.35:4117] by server-3.bemta-4.messagelabs.com id 83/26-09960-44766C35; Wed, 16 Jul 2014 11:51:32 +0000 X-Env-Sender: tom.jrbrown@yahoo.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1405511490!18072262!1 X-Originating-IP: [98.138.229.27] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7701 invoked from network); 16 Jul 2014 11:51:31 -0000 Received: from nm34.bullet.mail.ne1.yahoo.com (HELO nm34.bullet.mail.ne1.yahoo.com) (98.138.229.27) by server-15.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Jul 2014 11:51:31 -0000 Received: from [127.0.0.1] by nm34.bullet.mail.ne1.yahoo.com with NNFMP; 16 Jul 2014 11:51:29 -0000 Received: from [98.138.100.111] by nm34.bullet.mail.ne1.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 Received: from [212.82.98.52] by tm100.bullet.mail.ne1.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 Received: from [212.82.98.88] by tm5.bullet.mail.ir2.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 Received: from [127.0.0.1] by omp1025.mail.ir2.yahoo.com with NNFMP; 16 Jul 2014 11:48:46 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 166134.9311.bm@omp1025.mail.ir2.yahoo.com Received: (qmail 83642 invoked by uid 60001); 16 Jul 2014 11:48:46 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1405511326; bh=oCrCySV05y9Cm7pOYBgdjKoUeSyeVj9WZUZ8Y3D+Emk=; h=Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type; b=EPy7QMCKSmx9v60oeBUQ0qEbXKWQFPzC11te8iNtUWj++sjoTF0AnYHkLCCPxXmTPtkYEXZBmwBPrbl9Eg0mxG5ptNrQouj9GrNnrLQ0a6QdnXNlCDGjVR64ZchmgHpnqY4XNH3i0KUuv7aY3YpHzzfRLdHtQyL9upw0rZrgHXY= X-YMail-OSG: boCmQAEVM1lGX4fyu5ve3DmAI_sL9_2Mtj8oj0fDosj0pfX JehrvoYvMWoHYcJMQYHDjVUVmatUV4ghtwhlAfQ0oAY53hvQsskQH7WfPa73 daI7kOdQUkGxN2rPfw6uXDNOJR0zQkTb.FOcUIpiTGGQDeKmGcMfkW5Bbjtd OG_B92I6dHGjhtRdWKRyUegDyJ7SGtoEzUByw8wOCPAnd0VpHGpSl4etrHxp 9e_FWltE8e5GSoRB2oxsHdgN2Ql8QmhAeQsNlbDmZZa.UdUzr77woydpgb6T _PdPDONxtVqx.uMtP9FuVBhzkZBMnG_0B8X2P4b19DV1SmTMRZNjhtiJhixY n5bujoufLOAsKOoh84sYUFfzB3My.YYfcruGZVk7ac_5Yvb0LiJ.59.lHJV4 R_Bw6EOBNn2FwNLGn_MJ4gzDI_LfZLPwkEVzgnehMesj7km7jsCTrJxZHJ.C zHgUFCxTQ0feSnlQ7F5Pv1J30KSiU3qQOSl.iiM28uzjQoQ5e4x12y47ffPf 2hp1wH51kcvhrstFO9HhQC4c.tMruhBgS2p2NJkB1kjgkLSvt9D0Z9Oe9 Received: from [178.63.97.34] by web172005.mail.ir2.yahoo.com via HTTP; Wed, 16 Jul 2014 12:48:45 BST X-Rocket-MIMEInfo: 002.001, SGkgYWxsLAoKSSByZWNlaXZlIHRoZSBmb2xsb3dpbmcgZXJyb3Igd2hlbiBJIGNvbXBpbGUgYSBNaXJhZ2UgYXBwbGljYXRpb24sIGV4YWN0bHkgb24gdGhlIGxpbmVzIHRoYXQgSSBoYXZlIGNzdHJ1Y3QgZGVmaW5pdGlvbnM6CgpQYXJzZSBlcnJvcjogW2xhYmVsX2V4cHJfbGlzdF0gb3IgW2V4cHIgbGV2ZWwgLl0gZXhwZWN0ZWQgYWZ0ZXIgInsiIChpbiBbZXhwcl0pClByZXByb2Nlc3NpbmcgZXJyb3Igb24gZmlsZSBsaWIvaW5wdXQubWwKRXJyb3Igd2hpbGUgcnVubmluZyBleHRlcm5hbCBwcmVwcm9jZXMBMAEBAQE- X-Mailer: YahooMailWebService/0.8.194.680 Message-ID: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> Date: Wed, 16 Jul 2014 12:48:45 +0100 From: Tom Brown To: "mirageos-devel@lists.xenproject.org" MIME-Version: 1.0 Subject: [MirageOS-devel] Compile error when using cstruct X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0580158016907565688==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0580158016907565688== Content-Type: multipart/alternative; boundary="-1829062554-2087767062-1405511325=:69618" ---1829062554-2087767062-1405511325=:69618 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi all,=0A=0AI receive the following error when I compile a Mirage applicat= ion, exactly on the lines that I have cstruct definitions:=0A=0AParse error= : [label_expr_list] or [expr level .] expected after "{" (in [expr])=0APrep= rocessing error on file lib/input.ml=0AError while running external preproc= essor=0ACommand line: camlp4 '-I' '/usr/lib/ocaml/camlp4' '-I' '/home/ocaml= /.opam/system/lib/lwt' '-I' '/home/ocaml/.opam/system/lib/lwt' '-parser' 'o= ' '-parser' 'op' '-printer' 'p' 'lwt-syntax-options.cma' 'lwt-syntax.cma'= =A0 'lib/input.ml' > /tmp/ocamlppf271c4=0A=0AWould you please help me in fi= nding the problem?=0A=0AThanks.=0A ---1829062554-2087767062-1405511325=:69618 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Hi all,

I receive the following error when I compile a Mirage applicati= on, exactly on the lines that I have cstruct definitions:

Parse error: [label_expr_list] or [expr level .] expe= cted after "{" (in [expr])
Preprocessing error on = file lib/input.ml
Error while running external pre= processor
Command line: camlp4 '-I' '/usr/lib/ocam= l/camlp4' '-I' '/home/ocaml/.opam/system/lib/lwt' '-I' '/home/ocaml/.opam/s= ystem/lib/lwt' '-parser' 'o' '-parser' 'op' '-printer' 'p' 'lwt-syntax-opti= ons.cma' 'lwt-syntax.cma'  'lib/input.ml' > /tmp/ocamlppf271c4

Would you please help me in finding the problem?

<= div class=3D"" style=3D"color: rgb(0, 0, 0); font-size: 16px; font-family: = HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,Sans-Serif; back= ground-color: transparent; font-style: normal;">Thanks.
---1829062554-2087767062-1405511325=:69618-- --===============0580158016907565688== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0580158016907565688==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 16 12:01:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 16 Jul 2014 12:01:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NtS-0000z0-Un; Wed, 16 Jul 2014 12:01:06 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NtS-0000yr-88 for mirageos-devel@lists.xenproject.org; Wed, 16 Jul 2014 12:01:06 +0000 Received: from [85.158.143.35:33355] by server-3.bemta-4.messagelabs.com id 49/92-09960-18966C35; Wed, 16 Jul 2014 12:01:05 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-13.tower-21.messagelabs.com!1405512065!10777333!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32360 invoked from network); 16 Jul 2014 12:01:05 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-13.tower-21.messagelabs.com with SMTP; 16 Jul 2014 12:01:05 -0000 X-IronPort-AV: E=Sophos;i="5.01,671,1400025600"; d="scan'208";a="23161714" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 16 Jul 2014 12:01:05 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL01.citrite.net ([169.254.6.105]) with mapi id 14.03.0181.006; Wed, 16 Jul 2014 14:01:04 +0200 From: Dave Scott To: Tom Brown Thread-Topic: [MirageOS-devel] Compile error when using cstruct Thread-Index: AQHPoOxNH/DljIFOKUyYwQySy323apuid9mA Date: Wed, 16 Jul 2014 12:01:03 +0000 Message-ID: <79E83C09-07AF-43A9-999A-8AF27A3E37B2@citrix.com> References: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> In-Reply-To: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.107.78] Content-ID: <54F10FC99904A44A8C570B6DB128D762@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compile error when using cstruct X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, On 16 Jul 2014, at 12:48, Tom Brown wrote: > Hi all, > = > I receive the following error when I compile a Mirage application, exactl= y on the lines that I have cstruct definitions: > = > Parse error: [label_expr_list] or [expr level .] expected after "{" (in [= expr]) > Preprocessing error on file lib/input.ml > Error while running external preprocessor > Command line: camlp4 '-I' '/usr/lib/ocaml/camlp4' '-I' '/home/ocaml/.opam= /system/lib/lwt' '-I' '/home/ocaml/.opam/system/lib/lwt' '-parser' 'o' '-pa= rser' 'op' '-printer' 'p' 'lwt-syntax-options.cma' 'lwt-syntax.cma' 'lib/i= nput.ml' > /tmp/ocamlppf271c4 > = > Would you please help me in finding the problem? It looks like the cstruct.syntax extension isn=92t loaded. I normally add a= line to my _tags file at the bottom like this: : pkg_cstruct.syntax, syntax_camlp4o HTH, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 16 12:01:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 16 Jul 2014 12:01:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NtS-0000z0-Un; Wed, 16 Jul 2014 12:01:06 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7NtS-0000yr-88 for mirageos-devel@lists.xenproject.org; Wed, 16 Jul 2014 12:01:06 +0000 Received: from [85.158.143.35:33355] by server-3.bemta-4.messagelabs.com id 49/92-09960-18966C35; Wed, 16 Jul 2014 12:01:05 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-13.tower-21.messagelabs.com!1405512065!10777333!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32360 invoked from network); 16 Jul 2014 12:01:05 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-13.tower-21.messagelabs.com with SMTP; 16 Jul 2014 12:01:05 -0000 X-IronPort-AV: E=Sophos;i="5.01,671,1400025600"; d="scan'208";a="23161714" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 16 Jul 2014 12:01:05 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.89]) by AMSPEX01CL01.citrite.net ([169.254.6.105]) with mapi id 14.03.0181.006; Wed, 16 Jul 2014 14:01:04 +0200 From: Dave Scott To: Tom Brown Thread-Topic: [MirageOS-devel] Compile error when using cstruct Thread-Index: AQHPoOxNH/DljIFOKUyYwQySy323apuid9mA Date: Wed, 16 Jul 2014 12:01:03 +0000 Message-ID: <79E83C09-07AF-43A9-999A-8AF27A3E37B2@citrix.com> References: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> In-Reply-To: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.107.78] Content-ID: <54F10FC99904A44A8C570B6DB128D762@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compile error when using cstruct X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, On 16 Jul 2014, at 12:48, Tom Brown wrote: > Hi all, > = > I receive the following error when I compile a Mirage application, exactl= y on the lines that I have cstruct definitions: > = > Parse error: [label_expr_list] or [expr level .] expected after "{" (in [= expr]) > Preprocessing error on file lib/input.ml > Error while running external preprocessor > Command line: camlp4 '-I' '/usr/lib/ocaml/camlp4' '-I' '/home/ocaml/.opam= /system/lib/lwt' '-I' '/home/ocaml/.opam/system/lib/lwt' '-parser' 'o' '-pa= rser' 'op' '-printer' 'p' 'lwt-syntax-options.cma' 'lwt-syntax.cma' 'lib/i= nput.ml' > /tmp/ocamlppf271c4 > = > Would you please help me in finding the problem? It looks like the cstruct.syntax extension isn=92t loaded. I normally add a= line to my _tags file at the bottom like this: : pkg_cstruct.syntax, syntax_camlp4o HTH, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 16 14:25:33 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 16 Jul 2014 14:25:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7Q98-0000zz-DY; Wed, 16 Jul 2014 14:25:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7Q96-0000zk-O1 for mirageos-devel@lists.xenproject.org; Wed, 16 Jul 2014 14:25:24 +0000 Received: from [193.109.254.147:29467] by server-13.bemta-14.messagelabs.com id D8/16-14699-45B86C35; Wed, 16 Jul 2014 14:25:24 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1405520723!17817481!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12399 invoked from network); 16 Jul 2014 14:25:23 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 16 Jul 2014 14:25:23 -0000 Received: (qmail 22814 invoked by uid 634); 16 Jul 2014 14:25:22 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 16 Jul 2014 15:25:22 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <79E83C09-07AF-43A9-999A-8AF27A3E37B2@citrix.com> Date: Wed, 16 Jul 2014 15:25:21 +0100 Message-Id: <65B2B9C8-47C7-4CB3-8EE4-7B067E1E50FE@recoil.org> References: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> <79E83C09-07AF-43A9-999A-8AF27A3E37B2@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compile error when using cstruct X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 16 Jul 2014, at 13:01, Dave Scott wrote: > Hi, > = > On 16 Jul 2014, at 12:48, Tom Brown wrote: > = >> Hi all, >> = >> I receive the following error when I compile a Mirage application, exact= ly on the lines that I have cstruct definitions: >> = >> Parse error: [label_expr_list] or [expr level .] expected after "{" (in = [expr]) >> Preprocessing error on file lib/input.ml >> Error while running external preprocessor >> Command line: camlp4 '-I' '/usr/lib/ocaml/camlp4' '-I' '/home/ocaml/.opa= m/system/lib/lwt' '-I' '/home/ocaml/.opam/system/lib/lwt' '-parser' 'o' '-p= arser' 'op' '-printer' 'p' 'lwt-syntax-options.cma' 'lwt-syntax.cma' 'lib/= input.ml' > /tmp/ocamlppf271c4 >> = >> Would you please help me in finding the problem? > = > It looks like the cstruct.syntax extension isn=92t loaded. I normally add= a line to my _tags file at the bottom like this: > = > : pkg_cstruct.syntax, syntax_camlp4o You don't have to edit the _tags file manually if using the `mirage` CLI to= ol. In the mirage/mirage-www/src/config.ml, we activate the `cow.syntax` X= ML extension as follows: let main =3D let libraries =3D [ "cow.syntax"; "cowabloga" ] in let packages =3D [ "cow"; "cowabloga" ] in foreign ~libraries ~packages "Dispatch.Main" (console @-> kv_ro @-> kv_ro @-> http @-> job) let () =3D register "www" [ main $ default_console $ fs $ tmpl $ server ] You should be able to do the same with cstruct. Just pass "cstruct.syntax"= for the libraries (which refers to the ocamlfind command-line), and "cstru= ct" for the packages variable (which refers to OPAM packages, that usually = contain multiple ocamlfind packages). I've created https://github.com/mirage/mirage/issues/271 to track whether w= e should activate cstruct by default from the CLI tool. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 16 14:25:33 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 16 Jul 2014 14:25:33 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7Q98-0000zz-DY; Wed, 16 Jul 2014 14:25:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7Q96-0000zk-O1 for mirageos-devel@lists.xenproject.org; Wed, 16 Jul 2014 14:25:24 +0000 Received: from [193.109.254.147:29467] by server-13.bemta-14.messagelabs.com id D8/16-14699-45B86C35; Wed, 16 Jul 2014 14:25:24 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-27.messagelabs.com!1405520723!17817481!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12399 invoked from network); 16 Jul 2014 14:25:23 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-27.messagelabs.com with SMTP; 16 Jul 2014 14:25:23 -0000 Received: (qmail 22814 invoked by uid 634); 16 Jul 2014 14:25:22 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 16 Jul 2014 15:25:22 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <79E83C09-07AF-43A9-999A-8AF27A3E37B2@citrix.com> Date: Wed, 16 Jul 2014 15:25:21 +0100 Message-Id: <65B2B9C8-47C7-4CB3-8EE4-7B067E1E50FE@recoil.org> References: <1405511325.69618.YahooMailNeo@web172005.mail.ir2.yahoo.com> <79E83C09-07AF-43A9-999A-8AF27A3E37B2@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compile error when using cstruct X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 16 Jul 2014, at 13:01, Dave Scott wrote: > Hi, > = > On 16 Jul 2014, at 12:48, Tom Brown wrote: > = >> Hi all, >> = >> I receive the following error when I compile a Mirage application, exact= ly on the lines that I have cstruct definitions: >> = >> Parse error: [label_expr_list] or [expr level .] expected after "{" (in = [expr]) >> Preprocessing error on file lib/input.ml >> Error while running external preprocessor >> Command line: camlp4 '-I' '/usr/lib/ocaml/camlp4' '-I' '/home/ocaml/.opa= m/system/lib/lwt' '-I' '/home/ocaml/.opam/system/lib/lwt' '-parser' 'o' '-p= arser' 'op' '-printer' 'p' 'lwt-syntax-options.cma' 'lwt-syntax.cma' 'lib/= input.ml' > /tmp/ocamlppf271c4 >> = >> Would you please help me in finding the problem? > = > It looks like the cstruct.syntax extension isn=92t loaded. I normally add= a line to my _tags file at the bottom like this: > = > : pkg_cstruct.syntax, syntax_camlp4o You don't have to edit the _tags file manually if using the `mirage` CLI to= ol. In the mirage/mirage-www/src/config.ml, we activate the `cow.syntax` X= ML extension as follows: let main =3D let libraries =3D [ "cow.syntax"; "cowabloga" ] in let packages =3D [ "cow"; "cowabloga" ] in foreign ~libraries ~packages "Dispatch.Main" (console @-> kv_ro @-> kv_ro @-> http @-> job) let () =3D register "www" [ main $ default_console $ fs $ tmpl $ server ] You should be able to do the same with cstruct. Just pass "cstruct.syntax"= for the libraries (which refers to the ocamlfind command-line), and "cstru= ct" for the packages variable (which refers to OPAM packages, that usually = contain multiple ocamlfind packages). I've created https://github.com/mirage/mirage/issues/271 to track whether w= e should activate cstruct by default from the CLI tool. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 12:49:42 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 12:49:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7l7w-0007i2-NM; Thu, 17 Jul 2014 12:49:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7l7v-0007hu-6Q; Thu, 17 Jul 2014 12:49:35 +0000 Received: from [85.158.137.68:28848] by server-14.bemta-3.messagelabs.com id BE/E0-09441-E56C7C35; Thu, 17 Jul 2014 12:49:34 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1405601371!16520542!1 X-Originating-IP: [209.85.220.51] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_10_20, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16769 invoked from network); 17 Jul 2014 12:49:33 -0000 Received: from mail-pa0-f51.google.com (HELO mail-pa0-f51.google.com) (209.85.220.51) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Jul 2014 12:49:33 -0000 Received: by mail-pa0-f51.google.com with SMTP id ey11so3334032pad.10 for ; Thu, 17 Jul 2014 05:49:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=vn8Unnass49RyFe293DkQUIR7XxCphmVfcOUV3oJsyE=; b=eqiBEK+WyOdkZk9NeUICfmBugYiZjml00Td/9pHbxVO/Fa3pac/fZvvsK80KlXGa0a BelVVNSdTJrn4Wbz72CxqSs3LOVms90iqoDm0MUL6+prxRcNXKmDJYgTvDFJshJYEFrw 5jfBZK9DIpewDcSzEOOzQFLOYmUES0yNMQXjMa8PBI/zgOx5zaYuOf7hkPsB5GiQJ7PT 0YbiHssrKUJ6lzBILpI1W6UKPZDpKDUqRE9NTHvxGbJwolngT83wjKK7rHRaaXPf/zt4 0LUSd1JSIJiqcCPHx6xA24g1fdWd9kBfT/H10SiJ9NEq6kJjz7M4bNtlcCaQRY+lBVAb 4Cfg== MIME-Version: 1.0 X-Received: by 10.68.252.7 with SMTP id zo7mr27899424pbc.102.1405601371305; Thu, 17 Jul 2014 05:49:31 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Thu, 17 Jul 2014 05:49:31 -0700 (PDT) Date: Thu, 17 Jul 2014 13:49:31 +0100 Message-ID: From: David Scott To: "mirageos-devel@lists.xenproject.org" , xen-api@lists.xenproject.org Subject: [MirageOS-devel] Xenstore (client) updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6193284372186640771==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6193284372186640771== Content-Type: multipart/alternative; boundary=047d7b1630af6ebbb904fe631267 --047d7b1630af6ebbb904fe631267 Content-Type: text/plain; charset=UTF-8 Hi, I've just merged updates to the Mirage Xenstore protocol and client implementation to master (but not yet released). There are backwards-incompatible API changes which I'd like to get right before release, so feedback is welcome. Note the signatures are separate from the Mirage V2_LWT ones -- this is an internal implementation library used for Xen Mirage kernels only. I'll not release this code until (a) we're happy with it; and (b) patches are available for all users in opam (typical users include Mirage device drivers and Xen toolstacks) The reasons I'm proposing backwards-incompatible changes are: 1. to hide the 'client' type from clients. Since there should only be one real Xenstore connection per process (whether Unix domain sockets or shared memory), this ended up being a singleton. There doesn't seem any point in requesting the user 'create' and 'manage' these when the library was doing it all anyway. 2. for transactions and watches, I've made this into a more monadic style. The examples in the README.md show what I mean. 3. to move away from exceptions (I'm looking at you, ENOENT) and to use option types. So we now have 'read' and 'read_exn'. Does anyone know of any other functions whose signatures could be improved? 4. (for a crash-resistant Irmin Xenstore server): there's now control over where we are in the shared memory ring. Previously a 'read' would 'consume' data immediately, which would be lost if we crashed. Now 'read' should not advance the stream, and the server must decide when is appropriate and call an 'advance' function manually. A couple of house-keeping items: * The repo mirage/ocaml-xenstore which contains the Xenstore protocol implementation and client code used to be a fork of djs55/ocaml-xenstore. I've fixed this anomaly and now the mirage/ocaml-xenstore version is the authoritative version. * The license of the Xenstore protocol code and client is the Mirage standard (ISC) * The code has been re-indented with ocp-indent --syntax=lwt (Mirage standard style?) Cheers, -- Dave Scott --047d7b1630af6ebbb904fe631267 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

I've just merged updates to the= Mirage Xenstore protocol and client implementation to master (but not yet = released). There are backwards-incompatible API changes which I'd like = to get right before release, so feedback is welcome. Note the signatures ar= e separate from the Mirage V2_LWT ones -- this is an internal implementatio= n library used for Xen Mirage kernels only. I'll not release this code = until (a) we're happy with it; and (b) patches are available for all us= ers in opam (typical users include Mirage device drivers and Xen toolstacks= )

The reasons I'm proposing backwards-incompatible ch= anges are:

1. to hide the 'client' type fr= om clients. Since there should only be one real Xenstore connection per pro= cess (whether Unix domain sockets or shared memory), this ended up being a = singleton. There doesn't seem any point in requesting the user 'cre= ate' and 'manage' these when the library was doing it all anywa= y.

2. for transactions and watches, I've made this int= o a more monadic style. The examples in the README.md show what I mean.

3. to move away from exceptions (I'm looking at y= ou, ENOENT) and to use option types. So we now have 'read' and '= ;read_exn'. Does anyone know of any other functions whose signatures co= uld be improved?

4. (for a crash-resistant Irmin Xenstore server): there= 's now control over where we are in the shared memory ring. Previously = a 'read' would 'consume' data immediately, which would be l= ost if we crashed. Now 'read' should not advance the stream, and th= e server must decide when is appropriate and call an 'advance' func= tion manually.

A couple of house-keeping items:

* The repo mirage/ocaml-xenstore which contains the Xenstore protocol im= plementation and client code used to be a fork of djs55/ocaml-xenstore. I&#= 39;ve fixed this anomaly and now the mirage/ocaml-xenstore version is the a= uthoritative version.

* The license of the Xenstore protocol code and client = is the Mirage standard (ISC)

* The cod= e has been re-indented with ocp-indent --syntax=3Dlwt (Mirage standard styl= e?)

Cheers,
--
Dave Scott
--047d7b1630af6ebbb904fe631267-- --===============6193284372186640771== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6193284372186640771==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 12:49:42 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 12:49:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7l7w-0007i2-NM; Thu, 17 Jul 2014 12:49:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7l7v-0007hu-6Q; Thu, 17 Jul 2014 12:49:35 +0000 Received: from [85.158.137.68:28848] by server-14.bemta-3.messagelabs.com id BE/E0-09441-E56C7C35; Thu, 17 Jul 2014 12:49:34 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1405601371!16520542!1 X-Originating-IP: [209.85.220.51] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_10_20, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16769 invoked from network); 17 Jul 2014 12:49:33 -0000 Received: from mail-pa0-f51.google.com (HELO mail-pa0-f51.google.com) (209.85.220.51) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Jul 2014 12:49:33 -0000 Received: by mail-pa0-f51.google.com with SMTP id ey11so3334032pad.10 for ; Thu, 17 Jul 2014 05:49:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=vn8Unnass49RyFe293DkQUIR7XxCphmVfcOUV3oJsyE=; b=eqiBEK+WyOdkZk9NeUICfmBugYiZjml00Td/9pHbxVO/Fa3pac/fZvvsK80KlXGa0a BelVVNSdTJrn4Wbz72CxqSs3LOVms90iqoDm0MUL6+prxRcNXKmDJYgTvDFJshJYEFrw 5jfBZK9DIpewDcSzEOOzQFLOYmUES0yNMQXjMa8PBI/zgOx5zaYuOf7hkPsB5GiQJ7PT 0YbiHssrKUJ6lzBILpI1W6UKPZDpKDUqRE9NTHvxGbJwolngT83wjKK7rHRaaXPf/zt4 0LUSd1JSIJiqcCPHx6xA24g1fdWd9kBfT/H10SiJ9NEq6kJjz7M4bNtlcCaQRY+lBVAb 4Cfg== MIME-Version: 1.0 X-Received: by 10.68.252.7 with SMTP id zo7mr27899424pbc.102.1405601371305; Thu, 17 Jul 2014 05:49:31 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Thu, 17 Jul 2014 05:49:31 -0700 (PDT) Date: Thu, 17 Jul 2014 13:49:31 +0100 Message-ID: From: David Scott To: "mirageos-devel@lists.xenproject.org" , xen-api@lists.xenproject.org Subject: [MirageOS-devel] Xenstore (client) updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6193284372186640771==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6193284372186640771== Content-Type: multipart/alternative; boundary=047d7b1630af6ebbb904fe631267 --047d7b1630af6ebbb904fe631267 Content-Type: text/plain; charset=UTF-8 Hi, I've just merged updates to the Mirage Xenstore protocol and client implementation to master (but not yet released). There are backwards-incompatible API changes which I'd like to get right before release, so feedback is welcome. Note the signatures are separate from the Mirage V2_LWT ones -- this is an internal implementation library used for Xen Mirage kernels only. I'll not release this code until (a) we're happy with it; and (b) patches are available for all users in opam (typical users include Mirage device drivers and Xen toolstacks) The reasons I'm proposing backwards-incompatible changes are: 1. to hide the 'client' type from clients. Since there should only be one real Xenstore connection per process (whether Unix domain sockets or shared memory), this ended up being a singleton. There doesn't seem any point in requesting the user 'create' and 'manage' these when the library was doing it all anyway. 2. for transactions and watches, I've made this into a more monadic style. The examples in the README.md show what I mean. 3. to move away from exceptions (I'm looking at you, ENOENT) and to use option types. So we now have 'read' and 'read_exn'. Does anyone know of any other functions whose signatures could be improved? 4. (for a crash-resistant Irmin Xenstore server): there's now control over where we are in the shared memory ring. Previously a 'read' would 'consume' data immediately, which would be lost if we crashed. Now 'read' should not advance the stream, and the server must decide when is appropriate and call an 'advance' function manually. A couple of house-keeping items: * The repo mirage/ocaml-xenstore which contains the Xenstore protocol implementation and client code used to be a fork of djs55/ocaml-xenstore. I've fixed this anomaly and now the mirage/ocaml-xenstore version is the authoritative version. * The license of the Xenstore protocol code and client is the Mirage standard (ISC) * The code has been re-indented with ocp-indent --syntax=lwt (Mirage standard style?) Cheers, -- Dave Scott --047d7b1630af6ebbb904fe631267 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

I've just merged updates to the= Mirage Xenstore protocol and client implementation to master (but not yet = released). There are backwards-incompatible API changes which I'd like = to get right before release, so feedback is welcome. Note the signatures ar= e separate from the Mirage V2_LWT ones -- this is an internal implementatio= n library used for Xen Mirage kernels only. I'll not release this code = until (a) we're happy with it; and (b) patches are available for all us= ers in opam (typical users include Mirage device drivers and Xen toolstacks= )

The reasons I'm proposing backwards-incompatible ch= anges are:

1. to hide the 'client' type fr= om clients. Since there should only be one real Xenstore connection per pro= cess (whether Unix domain sockets or shared memory), this ended up being a = singleton. There doesn't seem any point in requesting the user 'cre= ate' and 'manage' these when the library was doing it all anywa= y.

2. for transactions and watches, I've made this int= o a more monadic style. The examples in the README.md show what I mean.

3. to move away from exceptions (I'm looking at y= ou, ENOENT) and to use option types. So we now have 'read' and '= ;read_exn'. Does anyone know of any other functions whose signatures co= uld be improved?

4. (for a crash-resistant Irmin Xenstore server): there= 's now control over where we are in the shared memory ring. Previously = a 'read' would 'consume' data immediately, which would be l= ost if we crashed. Now 'read' should not advance the stream, and th= e server must decide when is appropriate and call an 'advance' func= tion manually.

A couple of house-keeping items:

* The repo mirage/ocaml-xenstore which contains the Xenstore protocol im= plementation and client code used to be a fork of djs55/ocaml-xenstore. I&#= 39;ve fixed this anomaly and now the mirage/ocaml-xenstore version is the a= uthoritative version.

* The license of the Xenstore protocol code and client = is the Mirage standard (ISC)

* The cod= e has been re-indented with ocp-indent --syntax=3Dlwt (Mirage standard styl= e?)

Cheers,
--
Dave Scott
--047d7b1630af6ebbb904fe631267-- --===============6193284372186640771== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6193284372186640771==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 13:37:11 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 13:37:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7lrx-0003g2-DO; Thu, 17 Jul 2014 13:37:09 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7lrw-0003fw-Og for mirageos-devel@lists.xenproject.org; Thu, 17 Jul 2014 13:37:08 +0000 Received: from [85.158.139.211:49287] by server-7.bemta-5.messagelabs.com id 45/7D-30824-481D7C35; Thu, 17 Jul 2014 13:37:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-206.messagelabs.com!1405604227!13155622!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31140 invoked from network); 17 Jul 2014 13:37:07 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-206.messagelabs.com with SMTP; 17 Jul 2014 13:37:07 -0000 Received: (qmail 23460 invoked by uid 634); 17 Jul 2014 13:37:00 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from global-1-27.nat.csx.cam.ac.uk (HELO dhcp-172-17-168-203.eduroam.wireless.private.cam.ac.uk) (131.111.184.27) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 17 Jul 2014 14:37:00 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 17 Jul 2014 14:36:59 +0100 Message-Id: References: To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: xen-api@lists.xenproject.org, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Xenstore (client) updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 17 Jul 2014, at 13:49, David Scott wrote: > Hi, > > I've just merged updates to the Mirage Xenstore protocol and client implementation to master (but not yet released). There are backwards-incompatible API changes which I'd like to get right before release, so feedback is welcome. Note the signatures are separate from the Mirage V2_LWT ones -- this is an internal implementation library used for Xen Mirage kernels only. I'll not release this code until (a) we're happy with it; and (b) patches are available for all users in opam (typical users include Mirage device drivers and Xen toolstacks) > > The reasons I'm proposing backwards-incompatible changes are: > > 1. to hide the 'client' type from clients. Since there should only be one real Xenstore connection per process (whether Unix domain sockets or shared memory), this ended up being a singleton. There doesn't seem any point in requesting the user 'create' and 'manage' these when the library was doing it all anyway. > > 2. for transactions and watches, I've made this into a more monadic style. The examples in the README.md show what I mean. > > 3. to move away from exceptions (I'm looking at you, ENOENT) and to use option types. So we now have 'read' and 'read_exn'. Does anyone know of any other functions whose signatures could be improved? Instead of option types, isn't the Or_error.t style better to avoid not losing the reason for the failure? For example, type 'a t = | Error of exn | Ok of 'a > > 4. (for a crash-resistant Irmin Xenstore server): there's now control over where we are in the shared memory ring. Previously a 'read' would 'consume' data immediately, which would be lost if we crashed. Now 'read' should not advance the stream, and the server must decide when is appropriate and call an 'advance' function manually. This is a significant improvement and probably relevant to other consumers of this style of RPC (e.g. a vchan2)! > > A couple of house-keeping items: > > * The repo mirage/ocaml-xenstore which contains the Xenstore protocol implementation and client code used to be a fork of djs55/ocaml-xenstore. I've fixed this anomaly and now the mirage/ocaml-xenstore version is the authoritative version. > > * The license of the Xenstore protocol code and client is the Mirage standard (ISC) > > * The code has been re-indented with ocp-indent --syntax=lwt (Mirage standard style?) Yes, the `ocp-indent` defaults are becoming the defacto standard for indentation. It doesn't tell you where to put newlines, so there's still some artistic style potential left for the individual programmer :-) best, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 13:37:11 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 13:37:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7lrx-0003g2-DO; Thu, 17 Jul 2014 13:37:09 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7lrw-0003fw-Og for mirageos-devel@lists.xenproject.org; Thu, 17 Jul 2014 13:37:08 +0000 Received: from [85.158.139.211:49287] by server-7.bemta-5.messagelabs.com id 45/7D-30824-481D7C35; Thu, 17 Jul 2014 13:37:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-206.messagelabs.com!1405604227!13155622!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31140 invoked from network); 17 Jul 2014 13:37:07 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-206.messagelabs.com with SMTP; 17 Jul 2014 13:37:07 -0000 Received: (qmail 23460 invoked by uid 634); 17 Jul 2014 13:37:00 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from global-1-27.nat.csx.cam.ac.uk (HELO dhcp-172-17-168-203.eduroam.wireless.private.cam.ac.uk) (131.111.184.27) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 17 Jul 2014 14:37:00 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 17 Jul 2014 14:36:59 +0100 Message-Id: References: To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: xen-api@lists.xenproject.org, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Xenstore (client) updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 17 Jul 2014, at 13:49, David Scott wrote: > Hi, > > I've just merged updates to the Mirage Xenstore protocol and client implementation to master (but not yet released). There are backwards-incompatible API changes which I'd like to get right before release, so feedback is welcome. Note the signatures are separate from the Mirage V2_LWT ones -- this is an internal implementation library used for Xen Mirage kernels only. I'll not release this code until (a) we're happy with it; and (b) patches are available for all users in opam (typical users include Mirage device drivers and Xen toolstacks) > > The reasons I'm proposing backwards-incompatible changes are: > > 1. to hide the 'client' type from clients. Since there should only be one real Xenstore connection per process (whether Unix domain sockets or shared memory), this ended up being a singleton. There doesn't seem any point in requesting the user 'create' and 'manage' these when the library was doing it all anyway. > > 2. for transactions and watches, I've made this into a more monadic style. The examples in the README.md show what I mean. > > 3. to move away from exceptions (I'm looking at you, ENOENT) and to use option types. So we now have 'read' and 'read_exn'. Does anyone know of any other functions whose signatures could be improved? Instead of option types, isn't the Or_error.t style better to avoid not losing the reason for the failure? For example, type 'a t = | Error of exn | Ok of 'a > > 4. (for a crash-resistant Irmin Xenstore server): there's now control over where we are in the shared memory ring. Previously a 'read' would 'consume' data immediately, which would be lost if we crashed. Now 'read' should not advance the stream, and the server must decide when is appropriate and call an 'advance' function manually. This is a significant improvement and probably relevant to other consumers of this style of RPC (e.g. a vchan2)! > > A couple of house-keeping items: > > * The repo mirage/ocaml-xenstore which contains the Xenstore protocol implementation and client code used to be a fork of djs55/ocaml-xenstore. I've fixed this anomaly and now the mirage/ocaml-xenstore version is the authoritative version. > > * The license of the Xenstore protocol code and client is the Mirage standard (ISC) > > * The code has been re-indented with ocp-indent --syntax=lwt (Mirage standard style?) Yes, the `ocp-indent` defaults are becoming the defacto standard for indentation. It doesn't tell you where to put newlines, so there's still some artistic style potential left for the individual programmer :-) best, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 14:09:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 14:09:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7mNC-0005fu-4X; Thu, 17 Jul 2014 14:09:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7mNB-0005ej-1s; Thu, 17 Jul 2014 14:09:25 +0000 Received: from [85.158.139.211:13324] by server-5.bemta-5.messagelabs.com id 52/CB-09027-419D7C35; Thu, 17 Jul 2014 14:09:24 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1405606161!16072269!1 X-Originating-IP: [209.85.220.44] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_20_30, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23988 invoked from network); 17 Jul 2014 14:09:22 -0000 Received: from mail-pa0-f44.google.com (HELO mail-pa0-f44.google.com) (209.85.220.44) by server-5.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 17 Jul 2014 14:09:22 -0000 Received: by mail-pa0-f44.google.com with SMTP id eu11so3460457pac.3 for ; Thu, 17 Jul 2014 07:09:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=jp53jUiHP69Mw1jajz93HOtUe5VyMYpPbqqvokbp8Hg=; b=dJt53vi1jAq9IJc1s83kMtPUGDFH+h2WIkRrGHS2SWQRHNg3SasCp73iJfrgm2aWav ixalw00HE0hHOfZy2HaNnyiwnQU/UhK14MlpP4tByjhaUkxcYAD2qwhViz+OGnGgUR35 2M40lADqFOo6GUxVobT8dOOzvFqT4YuDtf5m48ZszI7oF5NeV7KouseqpUa3+Rrl/RTs MejCzknQs8Ohe8njf7hM6SJa5Rja4m37QTpzwrsVzp1i0e0d2R8/AG7f/69RWwCRlCv5 kWLxGVs4RPtXeUaz5fwxxGM4p6hqQvtwro/aU47rk/oRCZWM4CFDkCKVbCieXQSZjkyP HxSA== MIME-Version: 1.0 X-Received: by 10.70.137.103 with SMTP id qh7mr26037011pdb.69.1405606160806; Thu, 17 Jul 2014 07:09:20 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Thu, 17 Jul 2014 07:09:20 -0700 (PDT) In-Reply-To: References: Date: Thu, 17 Jul 2014 15:09:20 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: xen-api@lists.xenproject.org, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Xenstore (client) updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0639090315503841440==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0639090315503841440== Content-Type: multipart/alternative; boundary=001a1135ecb4e8b92c04fe642f59 --001a1135ecb4e8b92c04fe642f59 Content-Type: text/plain; charset=UTF-8 On Thu, Jul 17, 2014 at 2:36 PM, Anil Madhavapeddy wrote: > On 17 Jul 2014, at 13:49, David Scott wrote: > > > Hi, > > > > I've just merged updates to the Mirage Xenstore protocol and client > implementation to master (but not yet released). There are > backwards-incompatible API changes which I'd like to get right before > release, so feedback is welcome. Note the signatures are separate from the > Mirage V2_LWT ones -- this is an internal implementation library used for > Xen Mirage kernels only. I'll not release this code until (a) we're happy > with it; and (b) patches are available for all users in opam (typical users > include Mirage device drivers and Xen toolstacks) > > > > The reasons I'm proposing backwards-incompatible changes are: > > > > 1. to hide the 'client' type from clients. Since there should only be > one real Xenstore connection per process (whether Unix domain sockets or > shared memory), this ended up being a singleton. There doesn't seem any > point in requesting the user 'create' and 'manage' these when the library > was doing it all anyway. > > > > 2. for transactions and watches, I've made this into a more monadic > style. The examples in the README.md show what I mean. > > > > 3. to move away from exceptions (I'm looking at you, ENOENT) and to use > option types. So we now have 'read' and 'read_exn'. Does anyone know of any > other functions whose signatures could be improved? > > Instead of option types, isn't the Or_error.t style better to avoid not > losing the reason for the failure? For example, > > type 'a t = > | Error of exn > | Ok of 'a > I think this is a good idea. I started by making 'read' return a 'string option' because the 'None' case means 'key doesn't exist' and isn't really an error-- it's so common client code is riddled with code that expects it. For all the 'real' errors which are actually fatal (Einval, Equota, Eperm etc etc) Or_error.t looks nice. > > > 4. (for a crash-resistant Irmin Xenstore server): there's now control > over where we are in the shared memory ring. Previously a 'read' would > 'consume' data immediately, which would be lost if we crashed. Now 'read' > should not advance the stream, and the server must decide when is > appropriate and call an 'advance' function manually. > > This is a significant improvement and probably relevant to other consumers > of this style of RPC (e.g. a vchan2)! > > > > > A couple of house-keeping items: > > > > * The repo mirage/ocaml-xenstore which contains the Xenstore protocol > implementation and client code used to be a fork of djs55/ocaml-xenstore. > I've fixed this anomaly and now the mirage/ocaml-xenstore version is the > authoritative version. > > > > * The license of the Xenstore protocol code and client is the Mirage > standard (ISC) > > > > * The code has been re-indented with ocp-indent --syntax=lwt (Mirage > standard style?) > > Yes, the `ocp-indent` defaults are becoming the defacto standard for > indentation. It doesn't tell you where to put newlines, so there's still > some artistic style potential left for the individual programmer :-) > Cheers, Dave --001a1135ecb4e8b92c04fe642f59 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable



On Thu, Jul 17, 2014 at 2:36 PM, Anil Madhavapeddy <anil@recoil.org<= /a>> wrote:
On 17 Jul 2014, at 13:49, Da= vid Scott <scott.dj@gmail.com&= gt; wrote:

> Hi,
>
> I've just merged updates to the Mirage Xenstore protocol and clien= t implementation to master (but not yet released). There are backwards-inco= mpatible API changes which I'd like to get right before release, so fee= dback is welcome. Note the signatures are separate from the Mirage V2_LWT o= nes -- this is an internal implementation library used for Xen Mirage kerne= ls only. I'll not release this code until (a) we're happy with it; = and (b) patches are available for all users in opam (typical users include = Mirage device drivers and Xen toolstacks)
>
> The reasons I'm proposing backwards-incompatible changes are:
>
> 1. to hide the 'client' type from clients. Since there should = only be one real Xenstore connection per process (whether Unix domain socke= ts or shared memory), this ended up being a singleton. There doesn't se= em any point in requesting the user 'create' and 'manage' t= hese when the library was doing it all anyway.
>
> 2. for transactions and watches, I've made this into a more monadi= c style. The examples in the README.md show what I mean.
>
> 3. to move away from exceptions (I'm looking at you, ENOENT) and t= o use option types. So we now have 'read' and 'read_exn'. D= oes anyone know of any other functions whose signatures could be improved?<= br>
Instead of option types, isn't the Or_error.t style better to avo= id not losing the reason for the failure? =C2=A0For example,

type 'a t =3D
=C2=A0 | Error of exn
=C2=A0 | Ok of 'a

I think this is a= good idea. I started by making 'read' return a 'string option&= #39; because the 'None' case means 'key doesn't exist' = and isn't really an error-- it's so common client code is riddled w= ith code that expects it. For all the 'real' errors which are actua= lly fatal (Einval, Equota, Eperm etc etc) Or_error.t looks nice.
=C2=A0

>
> 4. (for a crash-resistant Irmin Xenstore server): there's now cont= rol over where we are in the shared memory ring. Previously a 'read'= ; would 'consume' data immediately, which would be lost if we crash= ed. Now 'read' should not advance the stream, and the server must d= ecide when is appropriate and call an 'advance' function manually.<= br>
This is a significant improvement and probably relevant to other cons= umers of this style of RPC (e.g. a vchan2)!

>
> A couple of house-keeping items:
>
> * The repo mirage/ocaml-xenstore which contains the Xenstore protocol = implementation and client code used to be a fork of djs55/ocaml-xenstore. I= 've fixed this anomaly and now the mirage/ocaml-xenstore version is the= authoritative version.
>
> * The license of the Xenstore protocol code and client is the Mirage s= tandard (ISC)
>
> * The code has been re-indented with ocp-indent --syntax=3Dlwt (Mirage= standard style?)

Yes, the `ocp-indent` defaults are becoming the defacto standard for = indentation. =C2=A0It doesn't tell you where to put newlines, so there&= #39;s still some artistic style potential left for the individual programme= r :-)

Cheers,
Dave
--001a1135ecb4e8b92c04fe642f59-- --===============0639090315503841440== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0639090315503841440==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 14:09:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 14:09:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7mNC-0005fu-4X; Thu, 17 Jul 2014 14:09:26 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7mNB-0005ej-1s; Thu, 17 Jul 2014 14:09:25 +0000 Received: from [85.158.139.211:13324] by server-5.bemta-5.messagelabs.com id 52/CB-09027-419D7C35; Thu, 17 Jul 2014 14:09:24 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1405606161!16072269!1 X-Originating-IP: [209.85.220.44] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_20_30, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23988 invoked from network); 17 Jul 2014 14:09:22 -0000 Received: from mail-pa0-f44.google.com (HELO mail-pa0-f44.google.com) (209.85.220.44) by server-5.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 17 Jul 2014 14:09:22 -0000 Received: by mail-pa0-f44.google.com with SMTP id eu11so3460457pac.3 for ; Thu, 17 Jul 2014 07:09:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=jp53jUiHP69Mw1jajz93HOtUe5VyMYpPbqqvokbp8Hg=; b=dJt53vi1jAq9IJc1s83kMtPUGDFH+h2WIkRrGHS2SWQRHNg3SasCp73iJfrgm2aWav ixalw00HE0hHOfZy2HaNnyiwnQU/UhK14MlpP4tByjhaUkxcYAD2qwhViz+OGnGgUR35 2M40lADqFOo6GUxVobT8dOOzvFqT4YuDtf5m48ZszI7oF5NeV7KouseqpUa3+Rrl/RTs MejCzknQs8Ohe8njf7hM6SJa5Rja4m37QTpzwrsVzp1i0e0d2R8/AG7f/69RWwCRlCv5 kWLxGVs4RPtXeUaz5fwxxGM4p6hqQvtwro/aU47rk/oRCZWM4CFDkCKVbCieXQSZjkyP HxSA== MIME-Version: 1.0 X-Received: by 10.70.137.103 with SMTP id qh7mr26037011pdb.69.1405606160806; Thu, 17 Jul 2014 07:09:20 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Thu, 17 Jul 2014 07:09:20 -0700 (PDT) In-Reply-To: References: Date: Thu, 17 Jul 2014 15:09:20 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: xen-api@lists.xenproject.org, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Xenstore (client) updates X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0639090315503841440==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0639090315503841440== Content-Type: multipart/alternative; boundary=001a1135ecb4e8b92c04fe642f59 --001a1135ecb4e8b92c04fe642f59 Content-Type: text/plain; charset=UTF-8 On Thu, Jul 17, 2014 at 2:36 PM, Anil Madhavapeddy wrote: > On 17 Jul 2014, at 13:49, David Scott wrote: > > > Hi, > > > > I've just merged updates to the Mirage Xenstore protocol and client > implementation to master (but not yet released). There are > backwards-incompatible API changes which I'd like to get right before > release, so feedback is welcome. Note the signatures are separate from the > Mirage V2_LWT ones -- this is an internal implementation library used for > Xen Mirage kernels only. I'll not release this code until (a) we're happy > with it; and (b) patches are available for all users in opam (typical users > include Mirage device drivers and Xen toolstacks) > > > > The reasons I'm proposing backwards-incompatible changes are: > > > > 1. to hide the 'client' type from clients. Since there should only be > one real Xenstore connection per process (whether Unix domain sockets or > shared memory), this ended up being a singleton. There doesn't seem any > point in requesting the user 'create' and 'manage' these when the library > was doing it all anyway. > > > > 2. for transactions and watches, I've made this into a more monadic > style. The examples in the README.md show what I mean. > > > > 3. to move away from exceptions (I'm looking at you, ENOENT) and to use > option types. So we now have 'read' and 'read_exn'. Does anyone know of any > other functions whose signatures could be improved? > > Instead of option types, isn't the Or_error.t style better to avoid not > losing the reason for the failure? For example, > > type 'a t = > | Error of exn > | Ok of 'a > I think this is a good idea. I started by making 'read' return a 'string option' because the 'None' case means 'key doesn't exist' and isn't really an error-- it's so common client code is riddled with code that expects it. For all the 'real' errors which are actually fatal (Einval, Equota, Eperm etc etc) Or_error.t looks nice. > > > 4. (for a crash-resistant Irmin Xenstore server): there's now control > over where we are in the shared memory ring. Previously a 'read' would > 'consume' data immediately, which would be lost if we crashed. Now 'read' > should not advance the stream, and the server must decide when is > appropriate and call an 'advance' function manually. > > This is a significant improvement and probably relevant to other consumers > of this style of RPC (e.g. a vchan2)! > > > > > A couple of house-keeping items: > > > > * The repo mirage/ocaml-xenstore which contains the Xenstore protocol > implementation and client code used to be a fork of djs55/ocaml-xenstore. > I've fixed this anomaly and now the mirage/ocaml-xenstore version is the > authoritative version. > > > > * The license of the Xenstore protocol code and client is the Mirage > standard (ISC) > > > > * The code has been re-indented with ocp-indent --syntax=lwt (Mirage > standard style?) > > Yes, the `ocp-indent` defaults are becoming the defacto standard for > indentation. It doesn't tell you where to put newlines, so there's still > some artistic style potential left for the individual programmer :-) > Cheers, Dave --001a1135ecb4e8b92c04fe642f59 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable



On Thu, Jul 17, 2014 at 2:36 PM, Anil Madhavapeddy <anil@recoil.org<= /a>> wrote:
On 17 Jul 2014, at 13:49, Da= vid Scott <scott.dj@gmail.com&= gt; wrote:

> Hi,
>
> I've just merged updates to the Mirage Xenstore protocol and clien= t implementation to master (but not yet released). There are backwards-inco= mpatible API changes which I'd like to get right before release, so fee= dback is welcome. Note the signatures are separate from the Mirage V2_LWT o= nes -- this is an internal implementation library used for Xen Mirage kerne= ls only. I'll not release this code until (a) we're happy with it; = and (b) patches are available for all users in opam (typical users include = Mirage device drivers and Xen toolstacks)
>
> The reasons I'm proposing backwards-incompatible changes are:
>
> 1. to hide the 'client' type from clients. Since there should = only be one real Xenstore connection per process (whether Unix domain socke= ts or shared memory), this ended up being a singleton. There doesn't se= em any point in requesting the user 'create' and 'manage' t= hese when the library was doing it all anyway.
>
> 2. for transactions and watches, I've made this into a more monadi= c style. The examples in the README.md show what I mean.
>
> 3. to move away from exceptions (I'm looking at you, ENOENT) and t= o use option types. So we now have 'read' and 'read_exn'. D= oes anyone know of any other functions whose signatures could be improved?<= br>
Instead of option types, isn't the Or_error.t style better to avo= id not losing the reason for the failure? =C2=A0For example,

type 'a t =3D
=C2=A0 | Error of exn
=C2=A0 | Ok of 'a

I think this is a= good idea. I started by making 'read' return a 'string option&= #39; because the 'None' case means 'key doesn't exist' = and isn't really an error-- it's so common client code is riddled w= ith code that expects it. For all the 'real' errors which are actua= lly fatal (Einval, Equota, Eperm etc etc) Or_error.t looks nice.
=C2=A0

>
> 4. (for a crash-resistant Irmin Xenstore server): there's now cont= rol over where we are in the shared memory ring. Previously a 'read'= ; would 'consume' data immediately, which would be lost if we crash= ed. Now 'read' should not advance the stream, and the server must d= ecide when is appropriate and call an 'advance' function manually.<= br>
This is a significant improvement and probably relevant to other cons= umers of this style of RPC (e.g. a vchan2)!

>
> A couple of house-keeping items:
>
> * The repo mirage/ocaml-xenstore which contains the Xenstore protocol = implementation and client code used to be a fork of djs55/ocaml-xenstore. I= 've fixed this anomaly and now the mirage/ocaml-xenstore version is the= authoritative version.
>
> * The license of the Xenstore protocol code and client is the Mirage s= tandard (ISC)
>
> * The code has been re-indented with ocp-indent --syntax=3Dlwt (Mirage= standard style?)

Yes, the `ocp-indent` defaults are becoming the defacto standard for = indentation. =C2=A0It doesn't tell you where to put newlines, so there&= #39;s still some artistic style potential left for the individual programme= r :-)

Cheers,
Dave
--001a1135ecb4e8b92c04fe642f59-- --===============0639090315503841440== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0639090315503841440==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 18:49:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 18:49:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qjk-0000dJ-Ky; Thu, 17 Jul 2014 18:49:00 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qjj-0000dE-JR for mirageos-devel@lists.xenproject.org; Thu, 17 Jul 2014 18:48:59 +0000 Received: from [85.158.137.68:13628] by server-10.bemta-3.messagelabs.com id F1/BE-28313-A9A18C35; Thu, 17 Jul 2014 18:48:58 +0000 X-Env-Sender: jyotsna.prakash@gmail.com X-Msg-Ref: server-6.tower-31.messagelabs.com!1405622936!12108658!1 X-Originating-IP: [209.85.213.182] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_10_20,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7439 invoked from network); 17 Jul 2014 18:48:58 -0000 Received: from mail-ig0-f182.google.com (HELO mail-ig0-f182.google.com) (209.85.213.182) by server-6.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Jul 2014 18:48:58 -0000 Received: by mail-ig0-f182.google.com with SMTP id c1so3479515igq.9 for ; Thu, 17 Jul 2014 11:48:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=LUuKGivTCd2wm4C3iL2iWRb48WnzK4zMFnxWJoSBJMY=; b=y/rXekZxGoTWA90YGKoI2i/K/Y6VcpfkSWPOexOR9whafxEXthZ+ggjQNpFIHPQZeZ Xo7x0m+CId9/mNfjfxCWocP4pYQQTn+8VeRmbSqEewbBMmkKBprcR9QpSemn0c89iToS zy6ibYseJeVVBEd9Yda/8YKCRwTLJ1HqWKI21fz1LALRF/OHLLbSqQkLkxw4tlSTRP9h /ocTLrHqsxe25Qn0zCig/IR/W0PTIRrGmuBwW7gmGHwsPFGyct2FHdriIo48QtADB+Uv SKm7Okc8Y3HaladDW031FIl0s+TdkmcNu6ZCARfh+DDnwGMl5Q/R9NXIuAY4e/II75SU mUng== MIME-Version: 1.0 X-Received: by 10.60.52.226 with SMTP id w2mr47714173oeo.3.1405622936352; Thu, 17 Jul 2014 11:48:56 -0700 (PDT) Received: by 10.202.197.146 with HTTP; Thu, 17 Jul 2014 11:48:56 -0700 (PDT) Date: Thu, 17 Jul 2014 11:48:56 -0700 Message-ID: From: Jyotsna Prakash To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] OCaml bindings for EC2 API X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0727498423788204970==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0727498423788204970== Content-Type: multipart/alternative; boundary=001a113339eacf3fb904fe6817dc --001a113339eacf3fb904fe6817dc Content-Type: text/plain; charset=UTF-8 Hi all, For my GSoC project I've been working on OCaml bindings to the EC2 API. The code is at https://github.com/moonlightdrive/ocaml-ec2 I've yet to launch a Mirage-backed VM without using the Amazon's CLI tools. The process involves producing an xml manifest describing an image; the manifest contains fields of RSA encrypted data. Problem is, I don't have any way to take my public keys (pem files) and turn them into `Cryptokit.RSA.key`s. I would appreciate any feedback/comments you have on the bindings and/or my RSA issue. Thanks! Jyotsna --001a113339eacf3fb904fe6817dc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable --001a113339eacf3fb904fe6817dc-- --===============0727498423788204970== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0727498423788204970==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 18:49:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 18:49:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qjk-0000dJ-Ky; Thu, 17 Jul 2014 18:49:00 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qjj-0000dE-JR for mirageos-devel@lists.xenproject.org; Thu, 17 Jul 2014 18:48:59 +0000 Received: from [85.158.137.68:13628] by server-10.bemta-3.messagelabs.com id F1/BE-28313-A9A18C35; Thu, 17 Jul 2014 18:48:58 +0000 X-Env-Sender: jyotsna.prakash@gmail.com X-Msg-Ref: server-6.tower-31.messagelabs.com!1405622936!12108658!1 X-Originating-IP: [209.85.213.182] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_10_20,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7439 invoked from network); 17 Jul 2014 18:48:58 -0000 Received: from mail-ig0-f182.google.com (HELO mail-ig0-f182.google.com) (209.85.213.182) by server-6.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Jul 2014 18:48:58 -0000 Received: by mail-ig0-f182.google.com with SMTP id c1so3479515igq.9 for ; Thu, 17 Jul 2014 11:48:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=LUuKGivTCd2wm4C3iL2iWRb48WnzK4zMFnxWJoSBJMY=; b=y/rXekZxGoTWA90YGKoI2i/K/Y6VcpfkSWPOexOR9whafxEXthZ+ggjQNpFIHPQZeZ Xo7x0m+CId9/mNfjfxCWocP4pYQQTn+8VeRmbSqEewbBMmkKBprcR9QpSemn0c89iToS zy6ibYseJeVVBEd9Yda/8YKCRwTLJ1HqWKI21fz1LALRF/OHLLbSqQkLkxw4tlSTRP9h /ocTLrHqsxe25Qn0zCig/IR/W0PTIRrGmuBwW7gmGHwsPFGyct2FHdriIo48QtADB+Uv SKm7Okc8Y3HaladDW031FIl0s+TdkmcNu6ZCARfh+DDnwGMl5Q/R9NXIuAY4e/II75SU mUng== MIME-Version: 1.0 X-Received: by 10.60.52.226 with SMTP id w2mr47714173oeo.3.1405622936352; Thu, 17 Jul 2014 11:48:56 -0700 (PDT) Received: by 10.202.197.146 with HTTP; Thu, 17 Jul 2014 11:48:56 -0700 (PDT) Date: Thu, 17 Jul 2014 11:48:56 -0700 Message-ID: From: Jyotsna Prakash To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] OCaml bindings for EC2 API X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0727498423788204970==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0727498423788204970== Content-Type: multipart/alternative; boundary=001a113339eacf3fb904fe6817dc --001a113339eacf3fb904fe6817dc Content-Type: text/plain; charset=UTF-8 Hi all, For my GSoC project I've been working on OCaml bindings to the EC2 API. The code is at https://github.com/moonlightdrive/ocaml-ec2 I've yet to launch a Mirage-backed VM without using the Amazon's CLI tools. The process involves producing an xml manifest describing an image; the manifest contains fields of RSA encrypted data. Problem is, I don't have any way to take my public keys (pem files) and turn them into `Cryptokit.RSA.key`s. I would appreciate any feedback/comments you have on the bindings and/or my RSA issue. Thanks! Jyotsna --001a113339eacf3fb904fe6817dc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable --001a113339eacf3fb904fe6817dc-- --===============0727498423788204970== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0727498423788204970==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 19:01:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 19:01:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qvQ-00020O-Fz; Thu, 17 Jul 2014 19:01:04 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qvO-000207-RY for mirageos-devel@lists.xenproject.org; Thu, 17 Jul 2014 19:01:03 +0000 Received: from [85.158.137.68:44415] by server-14.bemta-3.messagelabs.com id 55/88-09441-E6D18C35; Thu, 17 Jul 2014 19:01:02 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-16.tower-31.messagelabs.com!1405623660!16550854!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14171 invoked from network); 17 Jul 2014 19:01:01 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-16.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Jul 2014 19:01:01 -0000 Received: from [192.168.1.5] (host-92-13-198-94.as43234.net [92.13.198.94]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id 628803B6B for ; Thu, 17 Jul 2014 21:00:59 +0200 (CEST) Message-ID: <53C81D1E.4020102@mehnert.org> Date: Thu, 17 Jul 2014 19:59:42 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: In-Reply-To: Subject: Re: [MirageOS-devel] OCaml bindings for EC2 API X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 Hi Jyotsna, On 07/17/2014 19:48, Jyotsna Prakash wrote: > For my GSoC project I've been working on OCaml bindings to the EC2 > API. The code is at https://github.com/moonlightdrive/ocaml-ec2 Awesome! > I've yet to launch a Mirage-backed VM without using the Amazon's > CLI tools. The process involves producing an xml manifest > describing an image; the manifest contains fields of RSA encrypted > data. Problem is, I don't have any way to take my public keys (pem > files) and turn them into `Cryptokit.RSA.key`s. AFAICS you're only using SHA256 from Cryptokit so far -- you might want to use ocaml-sha (https://github.com/vincenthz/ocaml-sha) for that. Also, David wrote ocaml-nocrypto (https://github.com/mirleft/ocaml-nocrypto) and we further developed ocaml-x509 (https://github.com/mirleft/ocaml-x509/) where you can parse pem to get a certificate (https://github.com/mirleft/ocaml-x509/blob/master/lib/x509.mli#L18) or a private key (RSA) https://github.com/mirleft/ocaml-x509/blob/master/lib/x509.mli#L30 (example usage: https://github.com/mirleft/ocaml-tls/blob/master/lwt/x509_lwt.ml#L49) What do you need to do with the RSA key? The nocrypto API is at https://github.com/mirleft/ocaml-nocrypto/blob/master/src/rsa.mli Cheers, Hannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTyB0eAAoJELyJZYjffCjuns8P/AnRdjFMIcs0PA0tdvUVuNDI JbViUzCvhyQbDQYdVpLLoub/BZAz6A2WrVbHOuJ3DpaqB+qPLESB094hS9Fqds1/ xy20RthXkZwKOFYRKJ8flHBaRqaZV/ffXCb3qpEOpo8RrN4NutcV1OTBRi9ysOVM eXD2qbLUq6CqAzenks3r8G7Rkk1uzKcu2pxixDygx60EU8JPBw0m50j3ZrOXpJYU 7iq6fsNuLYV4NyvZYizkLROL/6G0sfYTLjnPWmR5hAXypjqt1Ad5n1VYhq3oEt8d PMSoQQtWTEGrfGyxKDQQfo0feQ2r5/lsqDVXcuCZhWDrguBDId08zc1tnmCej7EW Eq9vw2pZ2tDbOkwDcIHtb/ACuNjXSP1XmP/1VcWSCHly8mSnLkbCKE6Nkz4e345k pJoENKXAcap9ktW996QAPdhKgck/sVVQOxEZ3BkFMThL2pjrw6v6RRCJq3nNCroG AP6SUCU6JzhJfoloTnfCDGao/JGBaG+2vq1fTArXhc7WHPd1OLuC+lAlxScoLJ4p XHakfCuiMjAvk8WPBjhZXMi9ce0O4bv5CSFLYUlT5+H1XcXTpmibc5M3KxKdk25s 8WreBAVLdshBaOaOOcr8GOqgTxMrgIb6uipjChuYKmebl0EpsAN+h+p7S5YoQJYz pgdhpVDaP3Ocu+kRpFEB =zzgd -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 17 19:01:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 17 Jul 2014 19:01:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qvQ-00020O-Fz; Thu, 17 Jul 2014 19:01:04 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X7qvO-000207-RY for mirageos-devel@lists.xenproject.org; Thu, 17 Jul 2014 19:01:03 +0000 Received: from [85.158.137.68:44415] by server-14.bemta-3.messagelabs.com id 55/88-09441-E6D18C35; Thu, 17 Jul 2014 19:01:02 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-16.tower-31.messagelabs.com!1405623660!16550854!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14171 invoked from network); 17 Jul 2014 19:01:01 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-16.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Jul 2014 19:01:01 -0000 Received: from [192.168.1.5] (host-92-13-198-94.as43234.net [92.13.198.94]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (verified OK)) by mail.mehnert.org (Postfix) with ESMTPS id 628803B6B for ; Thu, 17 Jul 2014 21:00:59 +0200 (CEST) Message-ID: <53C81D1E.4020102@mehnert.org> Date: Thu, 17 Jul 2014 19:59:42 +0100 From: Hannes Mehnert User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: In-Reply-To: Subject: Re: [MirageOS-devel] OCaml bindings for EC2 API X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA384 Hi Jyotsna, On 07/17/2014 19:48, Jyotsna Prakash wrote: > For my GSoC project I've been working on OCaml bindings to the EC2 > API. The code is at https://github.com/moonlightdrive/ocaml-ec2 Awesome! > I've yet to launch a Mirage-backed VM without using the Amazon's > CLI tools. The process involves producing an xml manifest > describing an image; the manifest contains fields of RSA encrypted > data. Problem is, I don't have any way to take my public keys (pem > files) and turn them into `Cryptokit.RSA.key`s. AFAICS you're only using SHA256 from Cryptokit so far -- you might want to use ocaml-sha (https://github.com/vincenthz/ocaml-sha) for that. Also, David wrote ocaml-nocrypto (https://github.com/mirleft/ocaml-nocrypto) and we further developed ocaml-x509 (https://github.com/mirleft/ocaml-x509/) where you can parse pem to get a certificate (https://github.com/mirleft/ocaml-x509/blob/master/lib/x509.mli#L18) or a private key (RSA) https://github.com/mirleft/ocaml-x509/blob/master/lib/x509.mli#L30 (example usage: https://github.com/mirleft/ocaml-tls/blob/master/lwt/x509_lwt.ml#L49) What do you need to do with the RSA key? The nocrypto API is at https://github.com/mirleft/ocaml-nocrypto/blob/master/src/rsa.mli Cheers, Hannes -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCQAGBQJTyB0eAAoJELyJZYjffCjuns8P/AnRdjFMIcs0PA0tdvUVuNDI JbViUzCvhyQbDQYdVpLLoub/BZAz6A2WrVbHOuJ3DpaqB+qPLESB094hS9Fqds1/ xy20RthXkZwKOFYRKJ8flHBaRqaZV/ffXCb3qpEOpo8RrN4NutcV1OTBRi9ysOVM eXD2qbLUq6CqAzenks3r8G7Rkk1uzKcu2pxixDygx60EU8JPBw0m50j3ZrOXpJYU 7iq6fsNuLYV4NyvZYizkLROL/6G0sfYTLjnPWmR5hAXypjqt1Ad5n1VYhq3oEt8d PMSoQQtWTEGrfGyxKDQQfo0feQ2r5/lsqDVXcuCZhWDrguBDId08zc1tnmCej7EW Eq9vw2pZ2tDbOkwDcIHtb/ACuNjXSP1XmP/1VcWSCHly8mSnLkbCKE6Nkz4e345k pJoENKXAcap9ktW996QAPdhKgck/sVVQOxEZ3BkFMThL2pjrw6v6RRCJq3nNCroG AP6SUCU6JzhJfoloTnfCDGao/JGBaG+2vq1fTArXhc7WHPd1OLuC+lAlxScoLJ4p XHakfCuiMjAvk8WPBjhZXMi9ce0O4bv5CSFLYUlT5+H1XcXTpmibc5M3KxKdk25s 8WreBAVLdshBaOaOOcr8GOqgTxMrgIb6uipjChuYKmebl0EpsAN+h+p7S5YoQJYz pgdhpVDaP3Ocu+kRpFEB =zzgd -----END PGP SIGNATURE----- _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 18 16:41:43 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 18 Jul 2014 16:41:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8BE2-00019D-RH; Fri, 18 Jul 2014 16:41:38 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8BE1-000197-4F for mirageos-devel@lists.xenproject.org; Fri, 18 Jul 2014 16:41:37 +0000 Received: from [85.158.139.211:6608] by server-4.bemta-5.messagelabs.com id 03/4C-06276-04E49C35; Fri, 18 Jul 2014 16:41:36 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-206.messagelabs.com!1405701695!16311742!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2380 invoked from network); 18 Jul 2014 16:41:35 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-206.messagelabs.com with SMTP; 18 Jul 2014 16:41:35 -0000 Received: (qmail 19254 invoked by uid 634); 18 Jul 2014 16:41:35 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Fri, 18 Jul 2014 17:41:34 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 18 Jul 2014 17:41:33 +0100 Message-Id: <2E8E68DD-35BB-439E-91D0-0665F2B987FF@recoil.org> References: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 13 Jul 2014, at 12:25, Thomas Leonard wrote: > On 12 July 2014 19:08, Anil Madhavapeddy wrote: >> On 12 Jul 2014, at 16:44, Anil Madhavapeddy wrote: >> >>>> >>>> >>>> If you're using a hard-float dom0 (the default), you'll also need the >>>> latest Git version of libminios: >>>> >>>> $ git clone https://github.com/talex5/xen.git >>>> $ git checkout -b devel origin/devel >>>> $ cd extras/mini-os >>>> $ export PREFIX=`opam config var prefix` >>>> $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include >>> >>> Could you tag this one, so I can update the xen-minios package (in >>> mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios >>> before submitting an OPAM package). > > I'll try to get this done tomorrow. And this is now all done. There's a release tarball generator in the archive, and the repository has been renamed to: https://github.com/mirage/mirage-xen-minios The OPAM package is called "mirage-xen-minios" and is being tested in: https://github.com/ocaml/opam-repository/pull/2371 cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 18 16:41:43 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 18 Jul 2014 16:41:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8BE2-00019D-RH; Fri, 18 Jul 2014 16:41:38 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8BE1-000197-4F for mirageos-devel@lists.xenproject.org; Fri, 18 Jul 2014 16:41:37 +0000 Received: from [85.158.139.211:6608] by server-4.bemta-5.messagelabs.com id 03/4C-06276-04E49C35; Fri, 18 Jul 2014 16:41:36 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-206.messagelabs.com!1405701695!16311742!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2380 invoked from network); 18 Jul 2014 16:41:35 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-206.messagelabs.com with SMTP; 18 Jul 2014 16:41:35 -0000 Received: (qmail 19254 invoked by uid 634); 18 Jul 2014 16:41:35 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from volstagg-0.srg.cl.cam.ac.uk (HELO flick.office) (128.232.32.232) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Fri, 18 Jul 2014 17:41:34 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 18 Jul 2014 17:41:33 +0100 Message-Id: <2E8E68DD-35BB-439E-91D0-0665F2B987FF@recoil.org> References: <0E5144F9-5E31-44B6-A926-8E7F51B7AACB@recoil.org> <1518A9BE-8AE2-46AC-9828-C6EC1F86070C@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage Xen/ARM update X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 13 Jul 2014, at 12:25, Thomas Leonard wrote: > On 12 July 2014 19:08, Anil Madhavapeddy wrote: >> On 12 Jul 2014, at 16:44, Anil Madhavapeddy wrote: >> >>>> >>>> >>>> If you're using a hard-float dom0 (the default), you'll also need the >>>> latest Git version of libminios: >>>> >>>> $ git clone https://github.com/talex5/xen.git >>>> $ git checkout -b devel origin/devel >>>> $ cd extras/mini-os >>>> $ export PREFIX=`opam config var prefix` >>>> $ make install LIBDIR=${PREFIX}/lib INCLUDEDIR=${PREFIX}/include >>> >>> Could you tag this one, so I can update the xen-minios package (in >>> mirage/mirage-xen-libs, which I will shortly rename to mirage/mirage-xen-minios >>> before submitting an OPAM package). > > I'll try to get this done tomorrow. And this is now all done. There's a release tarball generator in the archive, and the repository has been renamed to: https://github.com/mirage/mirage-xen-minios The OPAM package is called "mirage-xen-minios" and is being tested in: https://github.com/ocaml/opam-repository/pull/2371 cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 15:26:30 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 15:26:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8WWl-0006vE-If; Sat, 19 Jul 2014 15:26:23 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8WWk-0006v9-2O for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 15:26:22 +0000 Received: from [193.109.254.147:48718] by server-1.bemta-14.messagelabs.com id 4C/B4-24760-D1E8AC35; 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Sat, 19 Jul 2014 16:22:25 BST X-Rocket-MIMEInfo: 002.001, SGksCgpXaGVuIHVzaW5nIG1vZHVsZSBUY3BpcF9jaGVja3N1bSAodGhlIHJldmlzZWQgdmVyc2lvbiBvZiBDaGVja3N1bT8pLCBJIHJlY2VpdmUgdGhlIGZvbGxvd2luZyBlcnJvcjoKCkZpbGUgIl9ub25lXyIsIGxpbmUgMToKRXJyb3I6IEZpbGVzIC9ob21lL3VzZXIvLm9wYW0vc3lzdGVtL2xpYi90Y3BpcC9ldGhpZi5jbXhhCsKgwqDCoMKgwqDCoCBhbmQgL2hvbWUvdXNlci8ub3BhbS9zeXN0ZW0vbGliL3RjcGlwL2lwdjQuY214YQrCoMKgwqDCoMKgwqAgYm90aCBkZWZpbmUgYSBtb2R1bGUgbmFtZWQgVGMBMAEBAQE- X-Mailer: YahooMailWebService/0.8.195.680 Message-ID: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> Date: Sat, 19 Jul 2014 16:22:25 +0100 From: Tom Brown To: "mirageos-devel@lists.xenproject.org" MIME-Version: 1.0 Subject: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7994233877398004157==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7994233877398004157== Content-Type: multipart/alternative; boundary="1253303424-341554711-1405783345=:38503" --1253303424-341554711-1405783345=:38503 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi,=0A=0AWhen using module Tcpip_checksum (the revised version of Checksum?= ), I receive the following error:=0A=0AFile "_none_", line 1:=0AError: File= s /home/user/.opam/system/lib/tcpip/ethif.cmxa=0A=A0=A0=A0=A0=A0=A0 and /ho= me/user/.opam/system/lib/tcpip/ipv4.cmxa=0A=A0=A0=A0=A0=A0=A0 both define a= module named Tcpip_checksum=0A=0AAny suggestion to fix this problem?=0A=0A= Thanks.=0A --1253303424-341554711-1405783345=:38503 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Hi,

When using module Tcpip_checksum (the revised version of Checksum?)= , I receive the following error:

File "_none_", line 1:
Error: Files /home/user/.opam/s= ystem/lib/tcpip/ethif.cmxa
    = ;   and /home/user/.opam/system/lib/tcpip/ipv4.cmxa
       both define a module named= Tcpip_checksum

<= /div>
Any suggestion to fix= this problem?

Thanks.
--1253303424-341554711-1405783345=:38503-- --===============7994233877398004157== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7994233877398004157==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 15:26:30 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 15:26:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8WWl-0006vE-If; Sat, 19 Jul 2014 15:26:23 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8WWk-0006v9-2O for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 15:26:22 +0000 Received: from [193.109.254.147:48718] by server-1.bemta-14.messagelabs.com id 4C/B4-24760-D1E8AC35; 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Sat, 19 Jul 2014 16:22:25 BST X-Rocket-MIMEInfo: 002.001, SGksCgpXaGVuIHVzaW5nIG1vZHVsZSBUY3BpcF9jaGVja3N1bSAodGhlIHJldmlzZWQgdmVyc2lvbiBvZiBDaGVja3N1bT8pLCBJIHJlY2VpdmUgdGhlIGZvbGxvd2luZyBlcnJvcjoKCkZpbGUgIl9ub25lXyIsIGxpbmUgMToKRXJyb3I6IEZpbGVzIC9ob21lL3VzZXIvLm9wYW0vc3lzdGVtL2xpYi90Y3BpcC9ldGhpZi5jbXhhCsKgwqDCoMKgwqDCoCBhbmQgL2hvbWUvdXNlci8ub3BhbS9zeXN0ZW0vbGliL3RjcGlwL2lwdjQuY214YQrCoMKgwqDCoMKgwqAgYm90aCBkZWZpbmUgYSBtb2R1bGUgbmFtZWQgVGMBMAEBAQE- X-Mailer: YahooMailWebService/0.8.195.680 Message-ID: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> Date: Sat, 19 Jul 2014 16:22:25 +0100 From: Tom Brown To: "mirageos-devel@lists.xenproject.org" MIME-Version: 1.0 Subject: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7994233877398004157==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7994233877398004157== Content-Type: multipart/alternative; boundary="1253303424-341554711-1405783345=:38503" --1253303424-341554711-1405783345=:38503 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Hi,=0A=0AWhen using module Tcpip_checksum (the revised version of Checksum?= ), I receive the following error:=0A=0AFile "_none_", line 1:=0AError: File= s /home/user/.opam/system/lib/tcpip/ethif.cmxa=0A=A0=A0=A0=A0=A0=A0 and /ho= me/user/.opam/system/lib/tcpip/ipv4.cmxa=0A=A0=A0=A0=A0=A0=A0 both define a= module named Tcpip_checksum=0A=0AAny suggestion to fix this problem?=0A=0A= Thanks.=0A --1253303424-341554711-1405783345=:38503 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Hi,

When using module Tcpip_checksum (the revised version of Checksum?)= , I receive the following error:

File "_none_", line 1:
Error: Files /home/user/.opam/s= ystem/lib/tcpip/ethif.cmxa
    = ;   and /home/user/.opam/system/lib/tcpip/ipv4.cmxa
       both define a module named= Tcpip_checksum

<= /div>
Any suggestion to fix= this problem?

Thanks.
--1253303424-341554711-1405783345=:38503-- --===============7994233877398004157== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7994233877398004157==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 18:03:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 18:03:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8YyN-0005he-Oq; Sat, 19 Jul 2014 18:03:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8YyN-0005hZ-5A for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 18:03:03 +0000 Received: from [85.158.137.68:9154] by server-1.bemta-3.messagelabs.com id 00/69-30185-6D2BAC35; Sat, 19 Jul 2014 18:03:02 +0000 X-Env-Sender: andy.ray@ujamjar.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1405792981!16750355!1 X-Originating-IP: [31.172.243.2] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5999 invoked from network); 19 Jul 2014 18:03:01 -0000 Received: from vm12460.vps.tagadab.com (HELO www.ujamjar.com) (31.172.243.2) by server-15.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 19 Jul 2014 18:03:01 -0000 Received: from mail-we0-f182.google.com (mail-we0-f182.google.com [74.125.82.182]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by www.ujamjar.com (Postfix) with ESMTPSA id 52DFE124388 for ; Sat, 19 Jul 2014 19:02:46 +0100 (BST) Received: by mail-we0-f182.google.com with SMTP id k48so4619425wev.41 for ; Sat, 19 Jul 2014 11:02:40 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.194.243.200 with SMTP id xa8mr6863766wjc.97.1405792960721; Sat, 19 Jul 2014 11:02:40 -0700 (PDT) Received: by 10.180.106.8 with HTTP; Sat, 19 Jul 2014 11:02:40 -0700 (PDT) In-Reply-To: <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> Date: Sat, 19 Jul 2014 19:02:40 +0100 Message-ID: From: Andy Ray To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wrote: > On 29 Apr 2014, at 15:28, Andy Ray wrote: >>> >>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>> cocoon in which to leverage existing device drivers and slowly move >>> our way down the stack, while retaining the ability to benchmark CPU >>> and memory usage against the existing (mature and optimized) FreeBSD >>> drivers. >> >> >> I will be starting to port the x86 kernel prototype to arm by the end >> of the week. Then I'm away on holiday for a bit so it may be a while >> before I have it working. So after various distractions I finally got back to looking at this stuff this week. I've been trying to get the x86 prototype working to start with which has not proved to be so easy. Long story short I decided to bite the bullet and start to update everything to the latest mirage version. https://github.com/andrewray/opam-mirage-kfreebsd > opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam-mirage-kfreebsd > opam update > opam switch 4.01.0beta1+mirage-kfreebsd > eval `opam config env` > opam install mirage-kfreebsd mirage mirage-console-kfreebsd (I think thats right - I'll reinstall clean and check soon). I've dealt with a few things so far; * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed fixed (mainly harsher warnings as errors from clang) * natdynlink/pic is unavailable - various packages are patched to remove cmxs generation * native code exes=>byte code exes if they dynlink (mirage, I'm looking at you) Further, the older mirari with kfreebsd app with some support libs is also updated as a (not working now but used to) reference point. The main point of progress is in this project; https://github.com/andrewray/kfreebsd-console > gmake _build/main.ko > sudo kldload _build/main.ko This is a hack which used > mirage configure -unix on the mirage-skeleton/console project then studied mirari output and hacked various bits together to end up with > dmesg [mir-app] Kernel module is about to load. [mir-app] Memory limit: 32 MB Fatal error: exception Assert_failure("filename.ml", 189, 9) [mir-app] Function 'OS.Main.run' could not be found. So it doesn't work, but that looks very much like an OCaml program to me which is most encouraging. For now its time for the pub but the next steps are to try and get this simple app to work properly and then fix the mirage application to generate the build scripts appropriately. Cheers, Andy _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 18:03:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 18:03:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8YyN-0005he-Oq; Sat, 19 Jul 2014 18:03:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8YyN-0005hZ-5A for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 18:03:03 +0000 Received: from [85.158.137.68:9154] by server-1.bemta-3.messagelabs.com id 00/69-30185-6D2BAC35; Sat, 19 Jul 2014 18:03:02 +0000 X-Env-Sender: andy.ray@ujamjar.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1405792981!16750355!1 X-Originating-IP: [31.172.243.2] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5999 invoked from network); 19 Jul 2014 18:03:01 -0000 Received: from vm12460.vps.tagadab.com (HELO www.ujamjar.com) (31.172.243.2) by server-15.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 19 Jul 2014 18:03:01 -0000 Received: from mail-we0-f182.google.com (mail-we0-f182.google.com [74.125.82.182]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by www.ujamjar.com (Postfix) with ESMTPSA id 52DFE124388 for ; Sat, 19 Jul 2014 19:02:46 +0100 (BST) Received: by mail-we0-f182.google.com with SMTP id k48so4619425wev.41 for ; Sat, 19 Jul 2014 11:02:40 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.194.243.200 with SMTP id xa8mr6863766wjc.97.1405792960721; Sat, 19 Jul 2014 11:02:40 -0700 (PDT) Received: by 10.180.106.8 with HTTP; Sat, 19 Jul 2014 11:02:40 -0700 (PDT) In-Reply-To: <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> Date: Sat, 19 Jul 2014 19:02:40 +0100 Message-ID: From: Andy Ray To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wrote: > On 29 Apr 2014, at 15:28, Andy Ray wrote: >>> >>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>> cocoon in which to leverage existing device drivers and slowly move >>> our way down the stack, while retaining the ability to benchmark CPU >>> and memory usage against the existing (mature and optimized) FreeBSD >>> drivers. >> >> >> I will be starting to port the x86 kernel prototype to arm by the end >> of the week. Then I'm away on holiday for a bit so it may be a while >> before I have it working. So after various distractions I finally got back to looking at this stuff this week. I've been trying to get the x86 prototype working to start with which has not proved to be so easy. Long story short I decided to bite the bullet and start to update everything to the latest mirage version. https://github.com/andrewray/opam-mirage-kfreebsd > opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam-mirage-kfreebsd > opam update > opam switch 4.01.0beta1+mirage-kfreebsd > eval `opam config env` > opam install mirage-kfreebsd mirage mirage-console-kfreebsd (I think thats right - I'll reinstall clean and check soon). I've dealt with a few things so far; * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed fixed (mainly harsher warnings as errors from clang) * natdynlink/pic is unavailable - various packages are patched to remove cmxs generation * native code exes=>byte code exes if they dynlink (mirage, I'm looking at you) Further, the older mirari with kfreebsd app with some support libs is also updated as a (not working now but used to) reference point. The main point of progress is in this project; https://github.com/andrewray/kfreebsd-console > gmake _build/main.ko > sudo kldload _build/main.ko This is a hack which used > mirage configure -unix on the mirage-skeleton/console project then studied mirari output and hacked various bits together to end up with > dmesg [mir-app] Kernel module is about to load. [mir-app] Memory limit: 32 MB Fatal error: exception Assert_failure("filename.ml", 189, 9) [mir-app] Function 'OS.Main.run' could not be found. So it doesn't work, but that looks very much like an OCaml program to me which is most encouraging. For now its time for the pub but the next steps are to try and get this simple app to work properly and then fix the mirage application to generate the build scripts appropriately. Cheers, Andy _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 19:57:14 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 19:57:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8ako-0001uo-SO; Sat, 19 Jul 2014 19:57:10 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8akn-0001uj-Mr for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 19:57:09 +0000 Received: from [85.158.137.68:56579] by server-1.bemta-3.messagelabs.com id E4/AB-30185-49DCAC35; Sat, 19 Jul 2014 19:57:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-31.messagelabs.com!1405799827!13151591!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27665 invoked from network); 19 Jul 2014 19:57:07 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-9.tower-31.messagelabs.com with SMTP; 19 Jul 2014 19:57:07 -0000 Received: (qmail 19289 invoked by uid 634); 19 Jul 2014 19:57:06 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.94]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 19 Jul 2014 20:57:06 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> Date: Sat, 19 Jul 2014 20:57:04 +0100 Message-Id: <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> References: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> To: Tom Brown X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7493071426350921727==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7493071426350921727== Content-Type: multipart/alternative; boundary="Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA" --Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 This looks like a bug to me. Could you try out the fix in=20 https://github.com/mirage/mirage-tcpip/pull/60 by any chance? `opam pin tcpip = git://github.com/avsm/mirage-tcpip#fix-checksum-modules` The module was exposed twice by mistake in both modules, hence the = clash. The fix just moves it to the toplevel `tcpip` library. Out of interest, is the test application you are using for this = available anywhere? It didn't show up in normal use of the library = since it requires linking specifically to it. -anil On 19 Jul 2014, at 16:22, Tom Brown wrote: > Hi, >=20 > When using module Tcpip_checksum (the revised version of Checksum?), I = receive the following error: >=20 > File "_none_", line 1: > Error: Files /home/user/.opam/system/lib/tcpip/ethif.cmxa > and /home/user/.opam/system/lib/tcpip/ipv4.cmxa > both define a module named Tcpip_checksum >=20 > Any suggestion to fix this problem? >=20 > Thanks. > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 This = looks like a bug to me. Could you try out the fix in 

The module was exposed twice by mistake in both modules, hence the = clash.  The fix just moves it to the toplevel `tcpip` = library.

Out of interest, is the test = application you are using for this available anywhere?  It didn't = show up in normal use of the library since it requires linking = specifically to = it.

-anil

On = 19 Jul 2014, at 16:22, Tom Brown <tom.jrbrown@yahoo.com> = wrote:

Hi,

When = using module Tcpip_checksum (the revised version of Checksum?), I = receive the following error:

File "_none_", line 1:
Error: Files = /home/user/.opam/system/lib/tcpip/ethif.cmxa
       and = /home/user/.opam/system/lib/tcpip/ipv4.cmxa
       both define a module = named Tcpip_checksum

Any suggestion to fix this problem?

Thanks.
_____________________________________________= __
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA-- --===============7493071426350921727== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7493071426350921727==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 19:57:14 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 19:57:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8ako-0001uo-SO; Sat, 19 Jul 2014 19:57:10 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8akn-0001uj-Mr for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 19:57:09 +0000 Received: from [85.158.137.68:56579] by server-1.bemta-3.messagelabs.com id E4/AB-30185-49DCAC35; Sat, 19 Jul 2014 19:57:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-31.messagelabs.com!1405799827!13151591!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27665 invoked from network); 19 Jul 2014 19:57:07 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-9.tower-31.messagelabs.com with SMTP; 19 Jul 2014 19:57:07 -0000 Received: (qmail 19289 invoked by uid 634); 19 Jul 2014 19:57:06 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.94]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 19 Jul 2014 20:57:06 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> Date: Sat, 19 Jul 2014 20:57:04 +0100 Message-Id: <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> References: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> To: Tom Brown X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7493071426350921727==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7493071426350921727== Content-Type: multipart/alternative; boundary="Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA" --Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 This looks like a bug to me. Could you try out the fix in=20 https://github.com/mirage/mirage-tcpip/pull/60 by any chance? `opam pin tcpip = git://github.com/avsm/mirage-tcpip#fix-checksum-modules` The module was exposed twice by mistake in both modules, hence the = clash. The fix just moves it to the toplevel `tcpip` library. Out of interest, is the test application you are using for this = available anywhere? It didn't show up in normal use of the library = since it requires linking specifically to it. -anil On 19 Jul 2014, at 16:22, Tom Brown wrote: > Hi, >=20 > When using module Tcpip_checksum (the revised version of Checksum?), I = receive the following error: >=20 > File "_none_", line 1: > Error: Files /home/user/.opam/system/lib/tcpip/ethif.cmxa > and /home/user/.opam/system/lib/tcpip/ipv4.cmxa > both define a module named Tcpip_checksum >=20 > Any suggestion to fix this problem? >=20 > Thanks. > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 This = looks like a bug to me. Could you try out the fix in 

The module was exposed twice by mistake in both modules, hence the = clash.  The fix just moves it to the toplevel `tcpip` = library.

Out of interest, is the test = application you are using for this available anywhere?  It didn't = show up in normal use of the library since it requires linking = specifically to = it.

-anil

On = 19 Jul 2014, at 16:22, Tom Brown <tom.jrbrown@yahoo.com> = wrote:

Hi,

When = using module Tcpip_checksum (the revised version of Checksum?), I = receive the following error:

File "_none_", line 1:
Error: Files = /home/user/.opam/system/lib/tcpip/ethif.cmxa
       and = /home/user/.opam/system/lib/tcpip/ipv4.cmxa
       both define a module = named Tcpip_checksum

Any suggestion to fix this problem?

Thanks.
_____________________________________________= __
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_CE840BD8-D878-4286-A9F5-06D1CF1234CA-- --===============7493071426350921727== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7493071426350921727==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 22:36:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 22:36:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8dFF-0000GW-GS; Sat, 19 Jul 2014 22:36:45 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8dFD-0000GP-UZ for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 22:36:44 +0000 Received: from [193.109.254.147:2429] by server-10.bemta-14.messagelabs.com id 50/EB-06615-BF2FAC35; Sat, 19 Jul 2014 22:36:43 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1405809400!13011065!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4827 invoked from network); 19 Jul 2014 22:36:40 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 19 Jul 2014 22:36:40 -0000 Received: (qmail 30328 invoked by uid 634); 19 Jul 2014 22:36:39 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.94]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 19 Jul 2014 23:36:36 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 19 Jul 2014 23:36:35 +0100 Message-Id: References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> To: Andy Ray X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 19 Jul 2014, at 19:02, Andy Ray wrote: > On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wrote: >> On 29 Apr 2014, at 15:28, Andy Ray wrote: >>>> >>>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>>> cocoon in which to leverage existing device drivers and slowly move >>>> our way down the stack, while retaining the ability to benchmark CPU >>>> and memory usage against the existing (mature and optimized) FreeBSD >>>> drivers. >>> >>> >>> I will be starting to port the x86 kernel prototype to arm by the end >>> of the week. Then I'm away on holiday for a bit so it may be a while >>> before I have it working. > > > So after various distractions I finally got back to looking at this > stuff this week. Fantastic! > > I've been trying to get the x86 prototype working to start with which > has not proved to be so easy. Long story short I decided to bite the > bullet and start to update everything to the latest mirage version. > > https://github.com/andrewray/opam-mirage-kfreebsd > >> opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam-mirage-kfreebsd >> opam update >> opam switch 4.01.0beta1+mirage-kfreebsd >> eval `opam config env` >> opam install mirage-kfreebsd mirage mirage-console-kfreebsd > (I think thats right - I'll reinstall clean and check soon). > > I've dealt with a few things so far; > > * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed > fixed (mainly harsher warnings as errors from clang) > * natdynlink/pic is unavailable - various packages are patched to > remove cmxs generation Erk, are these changes necessary because the build fails if natdynlink isn't available? That's a bad OASIS bug if so... The Lwt base-threads/unix seems to be a bug in trunk as well (build fails on my Mac). > * native code exes=>byte code exes if they dynlink (mirage, I'm looking at you) > > Further, the older mirari with kfreebsd app with some support libs is > also updated as a (not working now but used to) reference point. > > The main point of progress is in this project; > > https://github.com/andrewray/kfreebsd-console > >> gmake _build/main.ko >> sudo kldload _build/main.ko > > This is a hack which used > >> mirage configure -unix > > on the mirage-skeleton/console project then studied mirari output and > hacked various bits together to end up with > >> dmesg > [mir-app] Kernel module is about to load. > [mir-app] Memory limit: 32 MB > Fatal error: exception Assert_failure("filename.ml", 189, 9) > [mir-app] Function 'OS.Main.run' could not be found. > > So it doesn't work, but that looks very much like an OCaml program to > me which is most encouraging. > > For now its time for the pub but the next steps are to try and get > this simple app to work properly and then fix the mirage application > to generate the build scripts appropriately. This looks very promising. Have you looked at the new MiniOS layout in mirage/mirage-xen-minios? All of this has been lifted out of the mirage-platform repo now to be a separate library. This should make it easier for kFreeBSD, since if you provide similar C symbols, we can massage the bindings in mirage-platform/kFreeBSD to satisfy the relevant OCaml module types. I'm flying to OSCON tomorrow so may be latent on replies, but am also refreshing the FreeBSD VM on my laptop to test this out as it develops! -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 19 22:36:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 19 Jul 2014 22:36:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8dFF-0000GW-GS; Sat, 19 Jul 2014 22:36:45 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8dFD-0000GP-UZ for mirageos-devel@lists.xenproject.org; Sat, 19 Jul 2014 22:36:44 +0000 Received: from [193.109.254.147:2429] by server-10.bemta-14.messagelabs.com id 50/EB-06615-BF2FAC35; Sat, 19 Jul 2014 22:36:43 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-27.messagelabs.com!1405809400!13011065!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4827 invoked from network); 19 Jul 2014 22:36:40 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-27.messagelabs.com with SMTP; 19 Jul 2014 22:36:40 -0000 Received: (qmail 30328 invoked by uid 634); 19 Jul 2014 22:36:39 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net (HELO [192.168.1.94]) (86.30.244.239) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 19 Jul 2014 23:36:36 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Sat, 19 Jul 2014 23:36:35 +0100 Message-Id: References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> To: Andy Ray X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 19 Jul 2014, at 19:02, Andy Ray wrote: > On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wrote: >> On 29 Apr 2014, at 15:28, Andy Ray wrote: >>>> >>>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>>> cocoon in which to leverage existing device drivers and slowly move >>>> our way down the stack, while retaining the ability to benchmark CPU >>>> and memory usage against the existing (mature and optimized) FreeBSD >>>> drivers. >>> >>> >>> I will be starting to port the x86 kernel prototype to arm by the end >>> of the week. Then I'm away on holiday for a bit so it may be a while >>> before I have it working. > > > So after various distractions I finally got back to looking at this > stuff this week. Fantastic! > > I've been trying to get the x86 prototype working to start with which > has not proved to be so easy. Long story short I decided to bite the > bullet and start to update everything to the latest mirage version. > > https://github.com/andrewray/opam-mirage-kfreebsd > >> opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam-mirage-kfreebsd >> opam update >> opam switch 4.01.0beta1+mirage-kfreebsd >> eval `opam config env` >> opam install mirage-kfreebsd mirage mirage-console-kfreebsd > (I think thats right - I'll reinstall clean and check soon). > > I've dealt with a few things so far; > > * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed > fixed (mainly harsher warnings as errors from clang) > * natdynlink/pic is unavailable - various packages are patched to > remove cmxs generation Erk, are these changes necessary because the build fails if natdynlink isn't available? That's a bad OASIS bug if so... The Lwt base-threads/unix seems to be a bug in trunk as well (build fails on my Mac). > * native code exes=>byte code exes if they dynlink (mirage, I'm looking at you) > > Further, the older mirari with kfreebsd app with some support libs is > also updated as a (not working now but used to) reference point. > > The main point of progress is in this project; > > https://github.com/andrewray/kfreebsd-console > >> gmake _build/main.ko >> sudo kldload _build/main.ko > > This is a hack which used > >> mirage configure -unix > > on the mirage-skeleton/console project then studied mirari output and > hacked various bits together to end up with > >> dmesg > [mir-app] Kernel module is about to load. > [mir-app] Memory limit: 32 MB > Fatal error: exception Assert_failure("filename.ml", 189, 9) > [mir-app] Function 'OS.Main.run' could not be found. > > So it doesn't work, but that looks very much like an OCaml program to > me which is most encouraging. > > For now its time for the pub but the next steps are to try and get > this simple app to work properly and then fix the mirage application > to generate the build scripts appropriately. This looks very promising. Have you looked at the new MiniOS layout in mirage/mirage-xen-minios? All of this has been lifted out of the mirage-platform repo now to be a separate library. This should make it easier for kFreeBSD, since if you provide similar C symbols, we can massage the bindings in mirage-platform/kFreeBSD to satisfy the relevant OCaml module types. I'm flying to OSCON tomorrow so may be latent on replies, but am also refreshing the FreeBSD VM on my laptop to test this out as it develops! -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 07:38:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 07:38:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8lhP-0002xg-IE; Sun, 20 Jul 2014 07:38:23 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8lhN-0002xb-PJ for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 07:38:21 +0000 Received: from [85.158.137.68:22352] by server-5.bemta-3.messagelabs.com id 3C/CE-30889-CE17BC35; Sun, 20 Jul 2014 07:38:20 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-8.tower-31.messagelabs.com!1405841900!16921011!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6357 invoked from network); 20 Jul 2014 07:38:20 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-8.tower-31.messagelabs.com with SMTP; 20 Jul 2014 07:38:20 -0000 Received: (qmail 4534 invoked from network); 20 Jul 2014 07:38:18 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 20 Jul 2014 07:38:18 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 02977-06 for ; Sun, 20 Jul 2014 08:38:11 +0100 (BST) Received: (qmail 4485 invoked by uid 599); 20 Jul 2014 07:38:11 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Sun, 20 Jul 2014 08:38:11 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X8lhD-000756-K3 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 08:38:11 +0100 From: Richard Mortier To: "mirageos-devel@lists.xenproject.org" Date: Sun, 20 Jul 2014 08:38:08 +0100 Thread-Topic: coreboot Thread-Index: Ac+j7Y6Dpy+Nmop6SzyMEBBHAvsHMg== Message-ID: <33C0DC9C-636E-4AFB-BB79-C929B1CB6A19@nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Subject: [MirageOS-devel] coreboot X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5958156448961130552==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5958156448961130552== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii may be of interest if not seen before -- free software BIOS replacement, = "currently supports over 230 mainboards". http://www.coreboot.org/Welcome_to_coreboot (mind you, i have no idea how many mainboards there are... :) --=20 Cheers, R. --Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTy3HgAAoJEOLF27JWwSg3cMoQAIWVmlmOWqotsYPEx/qmJqHF YxWG1Z4ouu9Lj2ffPxD8sjiY1w8yJBYmRe7xpve4p5qOd7SUjiXsklctVowQGxqw A5sw6135L9329J+08f7H/RfOOTNNGzgm/HAh7JAEjUuSBkpAlKqfKc61wUClaANR oj54ODjARjArtso1EsDeMxgo4NrDgzHeQDGRTojdPOXnuIuZSmY6sQNAZcR/oLy8 7zgngLKip6ZjLCLBE7cA3rVv5RxfzACXYRhOleCG3BQHBZJ5tDLcYiXrkbUorfJ5 1Yw5C1KN53ez3mbBU4+/5Shni+WMuiScILDh/oiaNewaeIsioR/E6exwYgaJkiKB zejndCjbUzO3rHKLLc1eMS42qMqLtmDcNJpHp86TW0AFlordhHeENUIjHv286wP1 IBgsfS3wAf469ON2LwCTaWwGZiSSeQnCbeQNdo94zY9kwOngLJy4gRCMfjwfc2Eh 27wFQK7lujPxCBNSfRBq/WzEUUpTdobDNuBsXM3exYxbaTUybcCcCUwXqi5W1eeR xZbcrEcS9vzViQe9h26gCHNOTwk7Z9aHb3NM0In99Ob/eKqHxJuYteteWdk2WGAT QXaB6ckhrkweOijCZVG4gYyRczCJFWWmwv2rM27CV0XHVlxWb+Rq+54b/2iT5F2F GUhZBQSPRdMzlQA863H7 =wscs -----END PGP SIGNATURE----- --Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D-- --===============5958156448961130552== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5958156448961130552==-- From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 07:38:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 07:38:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8lhP-0002xg-IE; Sun, 20 Jul 2014 07:38:23 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8lhN-0002xb-PJ for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 07:38:21 +0000 Received: from [85.158.137.68:22352] by server-5.bemta-3.messagelabs.com id 3C/CE-30889-CE17BC35; Sun, 20 Jul 2014 07:38:20 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-8.tower-31.messagelabs.com!1405841900!16921011!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6357 invoked from network); 20 Jul 2014 07:38:20 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-8.tower-31.messagelabs.com with SMTP; 20 Jul 2014 07:38:20 -0000 Received: (qmail 4534 invoked from network); 20 Jul 2014 07:38:18 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 20 Jul 2014 07:38:18 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 02977-06 for ; Sun, 20 Jul 2014 08:38:11 +0100 (BST) Received: (qmail 4485 invoked by uid 599); 20 Jul 2014 07:38:11 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Sun, 20 Jul 2014 08:38:11 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X8lhD-000756-K3 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 08:38:11 +0100 From: Richard Mortier To: "mirageos-devel@lists.xenproject.org" Date: Sun, 20 Jul 2014 08:38:08 +0100 Thread-Topic: coreboot Thread-Index: Ac+j7Y6Dpy+Nmop6SzyMEBBHAvsHMg== Message-ID: <33C0DC9C-636E-4AFB-BB79-C929B1CB6A19@nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Subject: [MirageOS-devel] coreboot X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5958156448961130552==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5958156448961130552== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii may be of interest if not seen before -- free software BIOS replacement, = "currently supports over 230 mainboards". http://www.coreboot.org/Welcome_to_coreboot (mind you, i have no idea how many mainboards there are... :) --=20 Cheers, R. --Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTy3HgAAoJEOLF27JWwSg3cMoQAIWVmlmOWqotsYPEx/qmJqHF YxWG1Z4ouu9Lj2ffPxD8sjiY1w8yJBYmRe7xpve4p5qOd7SUjiXsklctVowQGxqw A5sw6135L9329J+08f7H/RfOOTNNGzgm/HAh7JAEjUuSBkpAlKqfKc61wUClaANR oj54ODjARjArtso1EsDeMxgo4NrDgzHeQDGRTojdPOXnuIuZSmY6sQNAZcR/oLy8 7zgngLKip6ZjLCLBE7cA3rVv5RxfzACXYRhOleCG3BQHBZJ5tDLcYiXrkbUorfJ5 1Yw5C1KN53ez3mbBU4+/5Shni+WMuiScILDh/oiaNewaeIsioR/E6exwYgaJkiKB zejndCjbUzO3rHKLLc1eMS42qMqLtmDcNJpHp86TW0AFlordhHeENUIjHv286wP1 IBgsfS3wAf469ON2LwCTaWwGZiSSeQnCbeQNdo94zY9kwOngLJy4gRCMfjwfc2Eh 27wFQK7lujPxCBNSfRBq/WzEUUpTdobDNuBsXM3exYxbaTUybcCcCUwXqi5W1eeR xZbcrEcS9vzViQe9h26gCHNOTwk7Z9aHb3NM0In99Ob/eKqHxJuYteteWdk2WGAT QXaB6ckhrkweOijCZVG4gYyRczCJFWWmwv2rM27CV0XHVlxWb+Rq+54b/2iT5F2F GUhZBQSPRdMzlQA863H7 =wscs -----END PGP SIGNATURE----- --Apple-Mail=_2F0F3389-62D7-40D9-90D6-12EB1658606D-- --===============5958156448961130552== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5958156448961130552==-- From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 08:08:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 08:08:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8mAc-0004fr-94; Sun, 20 Jul 2014 08:08:34 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8mAb-0004fm-RA for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 08:08:33 +0000 Received: from [85.158.139.211:22231] by server-17.bemta-5.messagelabs.com id A8/72-08085-1097BC35; Sun, 20 Jul 2014 08:08:33 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1405843710!13121184!1 X-Originating-IP: [209.85.218.46] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8856 invoked from network); 20 Jul 2014 08:08:32 -0000 Received: from mail-oi0-f46.google.com (HELO mail-oi0-f46.google.com) (209.85.218.46) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 20 Jul 2014 08:08:32 -0000 Received: by mail-oi0-f46.google.com with SMTP id i138so2678685oig.5 for ; Sun, 20 Jul 2014 01:08:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=/9/bvR7cPaQv+Hy1w71sjuNZeQzXHYAavlT8j0Yfu+8=; b=m2gT+dJRxGmxv2DQ6hNaOkFEV2T5rb8MhY14jej2cufQXDH3jeRP/gGZTKjR81GUo+ 8KizB+yiytXyuyb6Iq4GQiQmmrYvVxqrC0atnclKCrRZhpCL6T4xNI8epWbBhKG69BRT muzUvIIgin9yOeH0N15I6LAijdfePkpt9nDPPzvZFrx7vSaPrL/W0Nprpdf41+qFr268 W/FisplX/FDNLcQ/AjefcKHc62rXyT9Od150eDSLirHnMrkcWaij1YvKyIZaw1KrQn/q eC0cyNGpBPGRJvxkYKjelU6mNh7vS+c248jM/2BoLtHvugGoXKUlQi2cPVd6roWNLrkV GJMg== MIME-Version: 1.0 X-Received: by 10.182.98.194 with SMTP id ek2mr23670730obb.5.1405843710491; Sun, 20 Jul 2014 01:08:30 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Sun, 20 Jul 2014 01:08:30 -0700 (PDT) Date: Sun, 20 Jul 2014 09:08:30 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Pre-built Xen images for Cubieboard/CubieTruck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've uploaded some pre-built images here: http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 (Cubieboard 2) http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 (CubieTruck) (built from current https://github.com/mirage/xen-arm-builder) I'd be interested to hear from anyone with these devices whether they work for you. To test: 1. Download and unpack the image for your board. 2. Copy to the SDcard, e.g. dd if=cubie.img of=/dev/mmcblk0 3. Boot the device. It should get an IP address by DHCP. The devices announce a .local name using mDNS, so you should be able to ssh to $BOARD.local, e.g. ssh mirage@cubieboard2.local. (password: mirage) You should now have a working Xen host ("xl list" to list current VMs, "lvcreate" to create guest disks). To install the ARM version of mirage: $ opam init $ wget https://github.com/mirage/mirage-xen-minios/releases/download/v0.2/mirage-xen-minios-v0.2.tar.bz2 $ tar xjf mirage-xen-minios-v0.2.tar.bz2 $ cd mirage-xen-minios $ make $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs $ opam pin mirage-xen https://github.com/mirage/mirage-platform $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum $ opam install mirage You should now be able to follow the rest of the Mirage tutorial: http://openmirage.org/wiki/hello-world Notes: 1. On my network, the mDNS name is only available briefly. I think my router may be blocking queries. If so, you might want to assign a fixed IP address soon after connecting. 2. If you try to build a unikernel with an HTTP server, it may complain that it can't link -lssl (and other libraries). For now, you can edit the Makefile to remove the extra libraries. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 08:08:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 08:08:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8mAc-0004fr-94; Sun, 20 Jul 2014 08:08:34 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8mAb-0004fm-RA for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 08:08:33 +0000 Received: from [85.158.139.211:22231] by server-17.bemta-5.messagelabs.com id A8/72-08085-1097BC35; Sun, 20 Jul 2014 08:08:33 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1405843710!13121184!1 X-Originating-IP: [209.85.218.46] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8856 invoked from network); 20 Jul 2014 08:08:32 -0000 Received: from mail-oi0-f46.google.com (HELO mail-oi0-f46.google.com) (209.85.218.46) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 20 Jul 2014 08:08:32 -0000 Received: by mail-oi0-f46.google.com with SMTP id i138so2678685oig.5 for ; Sun, 20 Jul 2014 01:08:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=/9/bvR7cPaQv+Hy1w71sjuNZeQzXHYAavlT8j0Yfu+8=; b=m2gT+dJRxGmxv2DQ6hNaOkFEV2T5rb8MhY14jej2cufQXDH3jeRP/gGZTKjR81GUo+ 8KizB+yiytXyuyb6Iq4GQiQmmrYvVxqrC0atnclKCrRZhpCL6T4xNI8epWbBhKG69BRT muzUvIIgin9yOeH0N15I6LAijdfePkpt9nDPPzvZFrx7vSaPrL/W0Nprpdf41+qFr268 W/FisplX/FDNLcQ/AjefcKHc62rXyT9Od150eDSLirHnMrkcWaij1YvKyIZaw1KrQn/q eC0cyNGpBPGRJvxkYKjelU6mNh7vS+c248jM/2BoLtHvugGoXKUlQi2cPVd6roWNLrkV GJMg== MIME-Version: 1.0 X-Received: by 10.182.98.194 with SMTP id ek2mr23670730obb.5.1405843710491; Sun, 20 Jul 2014 01:08:30 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Sun, 20 Jul 2014 01:08:30 -0700 (PDT) Date: Sun, 20 Jul 2014 09:08:30 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Pre-built Xen images for Cubieboard/CubieTruck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've uploaded some pre-built images here: http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 (Cubieboard 2) http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 (CubieTruck) (built from current https://github.com/mirage/xen-arm-builder) I'd be interested to hear from anyone with these devices whether they work for you. To test: 1. Download and unpack the image for your board. 2. Copy to the SDcard, e.g. dd if=cubie.img of=/dev/mmcblk0 3. Boot the device. It should get an IP address by DHCP. The devices announce a .local name using mDNS, so you should be able to ssh to $BOARD.local, e.g. ssh mirage@cubieboard2.local. (password: mirage) You should now have a working Xen host ("xl list" to list current VMs, "lvcreate" to create guest disks). To install the ARM version of mirage: $ opam init $ wget https://github.com/mirage/mirage-xen-minios/releases/download/v0.2/mirage-xen-minios-v0.2.tar.bz2 $ tar xjf mirage-xen-minios-v0.2.tar.bz2 $ cd mirage-xen-minios $ make $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs $ opam pin mirage-xen https://github.com/mirage/mirage-platform $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum $ opam install mirage You should now be able to follow the rest of the Mirage tutorial: http://openmirage.org/wiki/hello-world Notes: 1. On my network, the mDNS name is only available briefly. I think my router may be blocking queries. If so, you might want to assign a fixed IP address soon after connecting. 2. If you try to build a unikernel with an HTTP server, it may complain that it can't link -lssl (and other libraries). For now, you can edit the Makefile to remove the extra libraries. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:06:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:06:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o10-0001Lb-1Y; Sun, 20 Jul 2014 10:06:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o0y-0001LW-7c for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:06:44 +0000 Received: from [85.158.139.211:10829] by server-16.bemta-5.messagelabs.com id 9B/77-31885-3B49BC35; Sun, 20 Jul 2014 10:06:43 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1405850802!16537906!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15992 invoked from network); 20 Jul 2014 10:06:42 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-7.tower-206.messagelabs.com with SMTP; 20 Jul 2014 10:06:42 -0000 X-IronPort-AV: E=Sophos;i="5.01,695,1400025600"; d="scan'208";a="23268551" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 20 Jul 2014 10:06:41 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL01.citrite.net ([169.254.6.75]) with mapi id 14.03.0181.006; Sun, 20 Jul 2014 12:06:41 +0200 From: Dave Scott To: Andy Ray Thread-Topic: [MirageOS-devel] Mirage ARM port Thread-Index: AQHPVNNAWkpkgcFV0EqwakuL0o112psoj4aAgAAPaICAAARpAIAAAwWAgH+FuQCAAQ1WAA== Date: Sun, 20 Jul 2014 10:06:41 +0000 Message-ID: <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 19 Jul 2014, at 19:02, Andy Ray wrote: > On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wrot= e: >> On 29 Apr 2014, at 15:28, Andy Ray wrote: >>>> = >>>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>>> cocoon in which to leverage existing device drivers and slowly move >>>> our way down the stack, while retaining the ability to benchmark CPU >>>> and memory usage against the existing (mature and optimized) FreeBSD >>>> drivers. >>> = >>> = >>> I will be starting to port the x86 kernel prototype to arm by the end >>> of the week. Then I'm away on holiday for a bit so it may be a while >>> before I have it working. > = > = > So after various distractions I finally got back to looking at this > stuff this week. > = > I've been trying to get the x86 prototype working to start with which > has not proved to be so easy. Long story short I decided to bite the > bullet and start to update everything to the latest mirage version. > = > https://github.com/andrewray/opam-mirage-kfreebsd > = >> opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam-m= irage-kfreebsd >> opam update >> opam switch 4.01.0beta1+mirage-kfreebsd >> eval `opam config env` >> opam install mirage-kfreebsd mirage mirage-console-kfreebsd > (I think thats right - I'll reinstall clean and check soon). > = > I've dealt with a few things so far; > = > * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed > fixed (mainly harsher warnings as errors from clang) > * natdynlink/pic is unavailable - various packages are patched to > remove cmxs generation > * native code exes=3D>byte code exes if they dynlink (mirage, I'm looking= at you) > = > Further, the older mirari with kfreebsd app with some support libs is > also updated as a (not working now but used to) reference point. > = > The main point of progress is in this project; > = > https://github.com/andrewray/kfreebsd-console > = >> gmake _build/main.ko >> sudo kldload _build/main.ko > = > This is a hack which used > = >> mirage configure -unix > = > on the mirage-skeleton/console project then studied mirari output and > hacked various bits together to end up with > = >> dmesg > [mir-app] Kernel module is about to load. > [mir-app] Memory limit: 32 MB > Fatal error: exception Assert_failure("filename.ml", 189, 9) This looks like a problem I hit before, where a top-level binding in Filena= me expects Sys.os_version to be =93Unix=94 (previously we called ourselves = =93xen=94): https://github.com/mirage/mirage-platform/commit/5a2297587c2452758bc0b0d8ba= ea7f136d183eb7 Cheers, Dave > [mir-app] Function 'OS.Main.run' could not be found. > = > So it doesn't work, but that looks very much like an OCaml program to > me which is most encouraging. > = > For now its time for the pub but the next steps are to try and get > this simple app to work properly and then fix the mirage application > to generate the build scripts appropriately. > = > Cheers, > Andy > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:06:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:06:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o10-0001Lb-1Y; Sun, 20 Jul 2014 10:06:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o0y-0001LW-7c for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:06:44 +0000 Received: from [85.158.139.211:10829] by server-16.bemta-5.messagelabs.com id 9B/77-31885-3B49BC35; Sun, 20 Jul 2014 10:06:43 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1405850802!16537906!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15992 invoked from network); 20 Jul 2014 10:06:42 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-7.tower-206.messagelabs.com with SMTP; 20 Jul 2014 10:06:42 -0000 X-IronPort-AV: E=Sophos;i="5.01,695,1400025600"; d="scan'208";a="23268551" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 20 Jul 2014 10:06:41 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL01.citrite.net ([169.254.6.75]) with mapi id 14.03.0181.006; Sun, 20 Jul 2014 12:06:41 +0200 From: Dave Scott To: Andy Ray Thread-Topic: [MirageOS-devel] Mirage ARM port Thread-Index: AQHPVNNAWkpkgcFV0EqwakuL0o112psoj4aAgAAPaICAAARpAIAAAwWAgH+FuQCAAQ1WAA== Date: Sun, 20 Jul 2014 10:06:41 +0000 Message-ID: <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 19 Jul 2014, at 19:02, Andy Ray wrote: > On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wrot= e: >> On 29 Apr 2014, at 15:28, Andy Ray wrote: >>>> = >>>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>>> cocoon in which to leverage existing device drivers and slowly move >>>> our way down the stack, while retaining the ability to benchmark CPU >>>> and memory usage against the existing (mature and optimized) FreeBSD >>>> drivers. >>> = >>> = >>> I will be starting to port the x86 kernel prototype to arm by the end >>> of the week. Then I'm away on holiday for a bit so it may be a while >>> before I have it working. > = > = > So after various distractions I finally got back to looking at this > stuff this week. > = > I've been trying to get the x86 prototype working to start with which > has not proved to be so easy. Long story short I decided to bite the > bullet and start to update everything to the latest mirage version. > = > https://github.com/andrewray/opam-mirage-kfreebsd > = >> opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam-m= irage-kfreebsd >> opam update >> opam switch 4.01.0beta1+mirage-kfreebsd >> eval `opam config env` >> opam install mirage-kfreebsd mirage mirage-console-kfreebsd > (I think thats right - I'll reinstall clean and check soon). > = > I've dealt with a few things so far; > = > * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed > fixed (mainly harsher warnings as errors from clang) > * natdynlink/pic is unavailable - various packages are patched to > remove cmxs generation > * native code exes=3D>byte code exes if they dynlink (mirage, I'm looking= at you) > = > Further, the older mirari with kfreebsd app with some support libs is > also updated as a (not working now but used to) reference point. > = > The main point of progress is in this project; > = > https://github.com/andrewray/kfreebsd-console > = >> gmake _build/main.ko >> sudo kldload _build/main.ko > = > This is a hack which used > = >> mirage configure -unix > = > on the mirage-skeleton/console project then studied mirari output and > hacked various bits together to end up with > = >> dmesg > [mir-app] Kernel module is about to load. > [mir-app] Memory limit: 32 MB > Fatal error: exception Assert_failure("filename.ml", 189, 9) This looks like a problem I hit before, where a top-level binding in Filena= me expects Sys.os_version to be =93Unix=94 (previously we called ourselves = =93xen=94): https://github.com/mirage/mirage-platform/commit/5a2297587c2452758bc0b0d8ba= ea7f136d183eb7 Cheers, Dave > [mir-app] Function 'OS.Main.run' could not be found. > = > So it doesn't work, but that looks very much like an OCaml program to > me which is most encouraging. > = > For now its time for the pub but the next steps are to try and get > this simple app to work properly and then fix the mirage application > to generate the build scripts appropriately. > = > Cheers, > Andy > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:07:53 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:07:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o25-0001NA-7G; Sun, 20 Jul 2014 10:07:53 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o24-0001N5-8R for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:07:52 +0000 Received: from [85.158.139.211:7552] by server-12.bemta-5.messagelabs.com id B2/21-11323-7F49BC35; Sun, 20 Jul 2014 10:07:51 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-206.messagelabs.com!1405850870!16512975!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18777 invoked from network); 20 Jul 2014 10:07:50 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-206.messagelabs.com with SMTP; 20 Jul 2014 10:07:50 -0000 Received: (qmail 11817 invoked by uid 634); 20 Jul 2014 10:07:50 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from no-dns-yet.convergencegroup.co.uk (HELO [10.12.21.122]) (37.205.61.203) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 20 Jul 2014 11:07:49 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Sun, 20 Jul 2014 11:07:48 +0100 Message-Id: <977EECB5-9654-4008-8376-E6F3781A7940@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Pre-built Xen images for Cubieboard/CubieTruck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 20 Jul 2014, at 09:08, Thomas Leonard wrote: > I've uploaded some pre-built images here: > > http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 (Cubieboard 2) > http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 (CubieTruck) > > (built from current https://github.com/mirage/xen-arm-builder) > > I'd be interested to hear from anyone with these devices whether they > work for you. To test: > > 1. Download and unpack the image for your board. > > 2. Copy to the SDcard, e.g. > dd if=cubie.img of=/dev/mmcblk0 > > 3. Boot the device. It should get an IP address by DHCP. On MacOS X, the dd instructions are: 1. Find the disk device of the card you inserted sudo diskutil list (e.g. disk2) 2. unmount the disk images sudo diskutil unmountDIsk /dev/diskN 3. sudo dd if=cubie.img of=/dev/rdiskN bs=64k Without the 'rdisk' in the output file, the copying will be extremely slow due to buffering. > > The devices announce a .local name using mDNS, so you should be able > to ssh to $BOARD.local, e.g. > > ssh mirage@cubieboard2.local. > > (password: mirage) > > You should now have a working Xen host ("xl list" to list current VMs, > "lvcreate" to create guest disks). > > To install the ARM version of mirage: > > $ opam init > $ wget https://github.com/mirage/mirage-xen-minios/releases/download/v0.2/mirage-xen-minios-v0.2.tar.bz2 > $ tar xjf mirage-xen-minios-v0.2.tar.bz2 > $ cd mirage-xen-minios > $ make > $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs > $ opam pin mirage-xen https://github.com/mirage/mirage-platform > $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum > $ opam install mirage > Minor improvement now, since `mirage-xen-minios` has been integrated upstream into OPAM. $ opam install mirage-minios-xen $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs $ opam pin mirage-xen https://github.com/mirage/mirage-platform $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum $ opam install mirage > You should now be able to follow the rest of the Mirage tutorial: > > http://openmirage.org/wiki/hello-world > > Notes: > > 1. On my network, the mDNS name is only available briefly. I think my > router may be blocking queries. If so, you might want to assign a > fixed IP address soon after connecting. > > 2. If you try to build a unikernel with an HTTP server, it may > complain that it can't link -lssl (and other libraries). For now, you > can edit the Makefile to remove the extra libraries. This was due to an incorrect Unix dependency sneaking into Cohttp_lwt. I've put a candidate fix in: https://github.com/mirage/ocaml-cohttp/pull/152 cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:07:53 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:07:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o25-0001NA-7G; Sun, 20 Jul 2014 10:07:53 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8o24-0001N5-8R for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:07:52 +0000 Received: from [85.158.139.211:7552] by server-12.bemta-5.messagelabs.com id B2/21-11323-7F49BC35; Sun, 20 Jul 2014 10:07:51 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-206.messagelabs.com!1405850870!16512975!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18777 invoked from network); 20 Jul 2014 10:07:50 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-206.messagelabs.com with SMTP; 20 Jul 2014 10:07:50 -0000 Received: (qmail 11817 invoked by uid 634); 20 Jul 2014 10:07:50 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from no-dns-yet.convergencegroup.co.uk (HELO [10.12.21.122]) (37.205.61.203) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 20 Jul 2014 11:07:49 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Sun, 20 Jul 2014 11:07:48 +0100 Message-Id: <977EECB5-9654-4008-8376-E6F3781A7940@recoil.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Pre-built Xen images for Cubieboard/CubieTruck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 20 Jul 2014, at 09:08, Thomas Leonard wrote: > I've uploaded some pre-built images here: > > http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 (Cubieboard 2) > http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 (CubieTruck) > > (built from current https://github.com/mirage/xen-arm-builder) > > I'd be interested to hear from anyone with these devices whether they > work for you. To test: > > 1. Download and unpack the image for your board. > > 2. Copy to the SDcard, e.g. > dd if=cubie.img of=/dev/mmcblk0 > > 3. Boot the device. It should get an IP address by DHCP. On MacOS X, the dd instructions are: 1. Find the disk device of the card you inserted sudo diskutil list (e.g. disk2) 2. unmount the disk images sudo diskutil unmountDIsk /dev/diskN 3. sudo dd if=cubie.img of=/dev/rdiskN bs=64k Without the 'rdisk' in the output file, the copying will be extremely slow due to buffering. > > The devices announce a .local name using mDNS, so you should be able > to ssh to $BOARD.local, e.g. > > ssh mirage@cubieboard2.local. > > (password: mirage) > > You should now have a working Xen host ("xl list" to list current VMs, > "lvcreate" to create guest disks). > > To install the ARM version of mirage: > > $ opam init > $ wget https://github.com/mirage/mirage-xen-minios/releases/download/v0.2/mirage-xen-minios-v0.2.tar.bz2 > $ tar xjf mirage-xen-minios-v0.2.tar.bz2 > $ cd mirage-xen-minios > $ make > $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs > $ opam pin mirage-xen https://github.com/mirage/mirage-platform > $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum > $ opam install mirage > Minor improvement now, since `mirage-xen-minios` has been integrated upstream into OPAM. $ opam install mirage-minios-xen $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs $ opam pin mirage-xen https://github.com/mirage/mirage-platform $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum $ opam install mirage > You should now be able to follow the rest of the Mirage tutorial: > > http://openmirage.org/wiki/hello-world > > Notes: > > 1. On my network, the mDNS name is only available briefly. I think my > router may be blocking queries. If so, you might want to assign a > fixed IP address soon after connecting. > > 2. If you try to build a unikernel with an HTTP server, it may > complain that it can't link -lssl (and other libraries). For now, you > can edit the Makefile to remove the extra libraries. This was due to an incorrect Unix dependency sneaking into Cohttp_lwt. I've put a candidate fix in: https://github.com/mirage/ocaml-cohttp/pull/152 cheers, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:42:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:42:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8oZx-0002v9-Dp; Sun, 20 Jul 2014 10:42:53 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8oZw-0002v4-J9 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:42:52 +0000 Received: from [85.158.139.211:23827] by server-12.bemta-5.messagelabs.com id 1B/62-11323-B2D9BC35; Sun, 20 Jul 2014 10:42:51 +0000 X-Env-Sender: andy.ray@ujamjar.com X-Msg-Ref: server-14.tower-206.messagelabs.com!1405852970!11107916!1 X-Originating-IP: [31.172.243.2] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18850 invoked from network); 20 Jul 2014 10:42:50 -0000 Received: from vm12460.vps.tagadab.com (HELO www.ujamjar.com) (31.172.243.2) by server-14.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 20 Jul 2014 10:42:50 -0000 Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by www.ujamjar.com (Postfix) with ESMTPSA id 8B09C124388 for ; Sun, 20 Jul 2014 11:42:35 +0100 (BST) Received: by mail-wi0-f179.google.com with SMTP id f8so2713973wiw.0 for ; Sun, 20 Jul 2014 03:42:30 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.194.243.200 with SMTP id xa8mr11863692wjc.97.1405852949994; Sun, 20 Jul 2014 03:42:29 -0700 (PDT) Received: by 10.180.106.8 with HTTP; Sun, 20 Jul 2014 03:42:29 -0700 (PDT) In-Reply-To: <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> Date: Sun, 20 Jul 2014 11:42:29 +0100 Message-ID: From: Andy Ray To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org 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From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:42:55 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:42:55 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8oZx-0002v9-Dp; Sun, 20 Jul 2014 10:42:53 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8oZw-0002v4-J9 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:42:52 +0000 Received: from [85.158.139.211:23827] by server-12.bemta-5.messagelabs.com id 1B/62-11323-B2D9BC35; Sun, 20 Jul 2014 10:42:51 +0000 X-Env-Sender: andy.ray@ujamjar.com X-Msg-Ref: server-14.tower-206.messagelabs.com!1405852970!11107916!1 X-Originating-IP: [31.172.243.2] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18850 invoked from network); 20 Jul 2014 10:42:50 -0000 Received: from vm12460.vps.tagadab.com (HELO www.ujamjar.com) (31.172.243.2) by server-14.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 20 Jul 2014 10:42:50 -0000 Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by www.ujamjar.com (Postfix) with ESMTPSA id 8B09C124388 for ; Sun, 20 Jul 2014 11:42:35 +0100 (BST) Received: by mail-wi0-f179.google.com with SMTP id f8so2713973wiw.0 for ; Sun, 20 Jul 2014 03:42:30 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.194.243.200 with SMTP id xa8mr11863692wjc.97.1405852949994; Sun, 20 Jul 2014 03:42:29 -0700 (PDT) Received: by 10.180.106.8 with HTTP; Sun, 20 Jul 2014 03:42:29 -0700 (PDT) In-Reply-To: <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> Date: Sun, 20 Jul 2014 11:42:29 +0100 Message-ID: From: Andy Ray To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org VGhhbmtzIERhdmUgLSBrRnJlZUJTRCBsaXZlcyEKCj4gZG1lc2cKW21pci1hcHBdIEtlcm5lbCBt b2R1bGUgaXMgYWJvdXQgdG8gbG9hZC4KW21pci1hcHBdIE1lbW9yeSBsaW1pdDogMzIgTUIKaGVs bG8Kd29ybGQKaGVsbG8Kd29ybGQKaGVsbG8Kd29ybGQKaGVsbG8Kd29ybGQKaGVsbG8Kd29ybGQK Ck9uIFN1biwgSnVsIDIwLCAyMDE0IGF0IDExOjA2IEFNLCBEYXZlIFNjb3R0IDxEYXZlLlNjb3R0 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1X8of7-0002xS-2Y; Sun, 20 Jul 2014 10:48:13 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8of6-0002xN-Hi for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:48:12 +0000 Received: from [193.109.254.147:32334] by server-7.bemta-14.messagelabs.com id C7/39-13362-B6E9BC35; Sun, 20 Jul 2014 10:48:11 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-7.tower-27.messagelabs.com!1405853290!18432092!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7189 invoked from network); 20 Jul 2014 10:48:10 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-7.tower-27.messagelabs.com with SMTP; 20 Jul 2014 10:48:10 -0000 X-IronPort-AV: E=Sophos;i="5.01,695,1400025600"; d="scan'208";a="23268948" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 20 Jul 2014 10:48:11 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL01.citrite.net ([169.254.6.75]) with mapi id 14.03.0181.006; Sun, 20 Jul 2014 12:48:10 +0200 From: Dave Scott To: Andy Ray Thread-Topic: [MirageOS-devel] Mirage ARM port Thread-Index: AQHPVNNAWkpkgcFV0EqwakuL0o112psoj4aAgAAPaICAAARpAIAAAwWAgH+FuQCAAQ1WAIAACgKAgAABkYA= Date: Sun, 20 Jul 2014 10:48:09 +0000 Message-ID: <5A52C696-29F6-48BD-9CAF-953960F04623@citrix.com> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 20 Jul 2014, at 11:42, Andy Ray wrote: > Thanks Dave - kFreeBSD lives! > = >> dmesg > [mir-app] Kernel module is about to load. > [mir-app] Memory limit: 32 MB > hello > world > hello > world > hello > world > hello > world > hello > world Fantastic! Dave > = > On Sun, Jul 20, 2014 at 11:06 AM, Dave Scott wrot= e: >> = >> On 19 Jul 2014, at 19:02, Andy Ray wrote: >> = >>> On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wr= ote: >>>> On 29 Apr 2014, at 15:28, Andy Ray wrote: >>>>>> = >>>>>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>>>>> cocoon in which to leverage existing device drivers and slowly move >>>>>> our way down the stack, while retaining the ability to benchmark CPU >>>>>> and memory usage against the existing (mature and optimized) FreeBSD >>>>>> drivers. >>>>> = >>>>> = >>>>> I will be starting to port the x86 kernel prototype to arm by the end >>>>> of the week. Then I'm away on holiday for a bit so it may be a while >>>>> before I have it working. >>> = >>> = >>> So after various distractions I finally got back to looking at this >>> stuff this week. >>> = >>> I've been trying to get the x86 prototype working to start with which >>> has not proved to be so easy. Long story short I decided to bite the >>> bullet and start to update everything to the latest mirage version. >>> = >>> https://github.com/andrewray/opam-mirage-kfreebsd >>> = >>>> opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam= -mirage-kfreebsd >>>> opam update >>>> opam switch 4.01.0beta1+mirage-kfreebsd >>>> eval `opam config env` >>>> opam install mirage-kfreebsd mirage mirage-console-kfreebsd >>> (I think thats right - I'll reinstall clean and check soon). >>> = >>> I've dealt with a few things so far; >>> = >>> * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed >>> fixed (mainly harsher warnings as errors from clang) >>> * natdynlink/pic is unavailable - various packages are patched to >>> remove cmxs generation >>> * native code exes=3D>byte code exes if they dynlink (mirage, I'm looki= ng at you) >>> = >>> Further, the older mirari with kfreebsd app with some support libs is >>> also updated as a (not working now but used to) reference point. >>> = >>> The main point of progress is in this project; >>> = >>> https://github.com/andrewray/kfreebsd-console >>> = >>>> gmake _build/main.ko >>>> sudo kldload _build/main.ko >>> = >>> This is a hack which used >>> = >>>> mirage configure -unix >>> = >>> on the mirage-skeleton/console project then studied mirari output and >>> hacked various bits together to end up with >>> = >>>> dmesg >>> [mir-app] Kernel module is about to load. >>> [mir-app] Memory limit: 32 MB >>> Fatal error: exception Assert_failure("filename.ml", 189, 9) >> = >> This looks like a problem I hit before, where a top-level binding in Fil= ename expects Sys.os_version to be =93Unix=94 (previously we called ourselv= es =93xen=94): >> = >> https://github.com/mirage/mirage-platform/commit/5a2297587c2452758bc0b0d= 8baea7f136d183eb7 >> = >> Cheers, >> Dave >> = >>> [mir-app] Function 'OS.Main.run' could not be found. >>> = >>> So it doesn't work, but that looks very much like an OCaml program to >>> me which is most encouraging. >>> = >>> For now its time for the pub but the next steps are to try and get >>> this simple app to work properly and then fix the mirage application >>> to generate the build scripts appropriately. >>> = >>> Cheers, >>> Andy >>> = >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> = _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:48:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:48:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8of7-0002xS-2Y; Sun, 20 Jul 2014 10:48:13 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8of6-0002xN-Hi for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:48:12 +0000 Received: from [193.109.254.147:32334] by server-7.bemta-14.messagelabs.com id C7/39-13362-B6E9BC35; Sun, 20 Jul 2014 10:48:11 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-7.tower-27.messagelabs.com!1405853290!18432092!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7189 invoked from network); 20 Jul 2014 10:48:10 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-7.tower-27.messagelabs.com with SMTP; 20 Jul 2014 10:48:10 -0000 X-IronPort-AV: E=Sophos;i="5.01,695,1400025600"; d="scan'208";a="23268948" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 20 Jul 2014 10:48:11 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL01.citrite.net ([169.254.6.75]) with mapi id 14.03.0181.006; Sun, 20 Jul 2014 12:48:10 +0200 From: Dave Scott To: Andy Ray Thread-Topic: [MirageOS-devel] Mirage ARM port Thread-Index: AQHPVNNAWkpkgcFV0EqwakuL0o112psoj4aAgAAPaICAAARpAIAAAwWAgH+FuQCAAQ1WAIAACgKAgAABkYA= Date: Sun, 20 Jul 2014 10:48:09 +0000 Message-ID: <5A52C696-29F6-48BD-9CAF-953960F04623@citrix.com> References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> <535C1B9F-41A7-4744-AF91-4AF9C302CB7F@citrix.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 20 Jul 2014, at 11:42, Andy Ray wrote: > Thanks Dave - kFreeBSD lives! > = >> dmesg > [mir-app] Kernel module is about to load. > [mir-app] Memory limit: 32 MB > hello > world > hello > world > hello > world > hello > world > hello > world Fantastic! Dave > = > On Sun, Jul 20, 2014 at 11:06 AM, Dave Scott wrot= e: >> = >> On 19 Jul 2014, at 19:02, Andy Ray wrote: >> = >>> On Tue, Apr 29, 2014 at 3:39 PM, Anil Madhavapeddy wr= ote: >>>> On 29 Apr 2014, at 15:28, Andy Ray wrote: >>>>>> = >>>>>> The reasoning behind the FreeBSD/kernel approach is to give us a nice >>>>>> cocoon in which to leverage existing device drivers and slowly move >>>>>> our way down the stack, while retaining the ability to benchmark CPU >>>>>> and memory usage against the existing (mature and optimized) FreeBSD >>>>>> drivers. >>>>> = >>>>> = >>>>> I will be starting to port the x86 kernel prototype to arm by the end >>>>> of the week. Then I'm away on holiday for a bit so it may be a while >>>>> before I have it working. >>> = >>> = >>> So after various distractions I finally got back to looking at this >>> stuff this week. >>> = >>> I've been trying to get the x86 prototype working to start with which >>> has not proved to be so easy. Long story short I decided to bite the >>> bullet and start to update everything to the latest mirage version. >>> = >>> https://github.com/andrewray/opam-mirage-kfreebsd >>> = >>>> opam remote add opam-mirage-kfreebsd https://github.com/andrewray/opam= -mirage-kfreebsd >>>> opam update >>>> opam switch 4.01.0beta1+mirage-kfreebsd >>>> eval `opam config env` >>>> opam install mirage-kfreebsd mirage mirage-console-kfreebsd >>> (I think thats right - I'll reinstall clean and check soon). >>> = >>> I've dealt with a few things so far; >>> = >>> * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed >>> fixed (mainly harsher warnings as errors from clang) >>> * natdynlink/pic is unavailable - various packages are patched to >>> remove cmxs generation >>> * native code exes=3D>byte code exes if they dynlink (mirage, I'm looki= ng at you) >>> = >>> Further, the older mirari with kfreebsd app with some support libs is >>> also updated as a (not working now but used to) reference point. >>> = >>> The main point of progress is in this project; >>> = >>> https://github.com/andrewray/kfreebsd-console >>> = >>>> gmake _build/main.ko >>>> sudo kldload _build/main.ko >>> = >>> This is a hack which used >>> = >>>> mirage configure -unix >>> = >>> on the mirage-skeleton/console project then studied mirari output and >>> hacked various bits together to end up with >>> = >>>> dmesg >>> [mir-app] Kernel module is about to load. >>> [mir-app] Memory limit: 32 MB >>> Fatal error: exception Assert_failure("filename.ml", 189, 9) >> = >> This looks like a problem I hit before, where a top-level binding in Fil= ename expects Sys.os_version to be =93Unix=94 (previously we called ourselv= es =93xen=94): >> = >> https://github.com/mirage/mirage-platform/commit/5a2297587c2452758bc0b0d= 8baea7f136d183eb7 >> = >> Cheers, >> Dave >> = >>> [mir-app] Function 'OS.Main.run' could not be found. >>> = >>> So it doesn't work, but that looks very much like an OCaml program to >>> me which is most encouraging. >>> = >>> For now its time for the pub but the next steps are to try and get >>> this simple app to work properly and then fix the mirage application >>> to generate the build scripts appropriately. >>> = >>> Cheers, >>> Andy >>> = >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> = _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:57:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:57:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8onj-0003LH-Vw; Sun, 20 Jul 2014 10:57:07 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8onj-0003L9-72 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:57:07 +0000 Received: from [85.158.143.35:60036] by server-3.bemta-4.messagelabs.com id E6/1A-09960-280ABC35; Sun, 20 Jul 2014 10:57:06 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1405853823!18896242!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18777 invoked from network); 20 Jul 2014 10:57:04 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 20 Jul 2014 10:57:04 -0000 Received: by mail-oa0-f50.google.com with SMTP id g18so5842128oah.37 for ; Sun, 20 Jul 2014 03:57:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=zOBUlnzUatHy3tDR7uZWcexMuppY0GmYJfJmkpJo5bQ=; b=dkvCQzjsdBLvW9f0Fhd0ds2wdzeHUU55L3lt3GhcbS1d63S6SJjmphnedLDxlL5vE3 zMcz+wrtCcb8T2fllXwSnfrSB2VqdDPKCQA6c71cnFvJoLZ9WZkRpLrB/RLsParIIRNS +K682XQp1eKhIWr0sWhhQwbmqDsZTt4kqZluehvznC8H4tJ+TxIVS+F5+CNo0othPKNo sXSszdABluJm92gzoCocbG4VV145Ncj6uSuxe/P2GH2T3JxYNAEQbh5lF1dZLbvMTWzT vijzc7XY+N+dqnLkvjNSZGMDYiZEnMdQBz3jKv+tfZOVsOwmNe56bUsE0cGOb5NLYCMP +UEw== MIME-Version: 1.0 X-Received: by 10.60.176.134 with SMTP id ci6mr3415797oec.85.1405853823375; Sun, 20 Jul 2014 03:57:03 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Sun, 20 Jul 2014 03:57:03 -0700 (PDT) In-Reply-To: <977EECB5-9654-4008-8376-E6F3781A7940@recoil.org> References: <977EECB5-9654-4008-8376-E6F3781A7940@recoil.org> Date: Sun, 20 Jul 2014 11:57:03 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Pre-built Xen images for Cubieboard/CubieTruck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 20 July 2014 11:07, Anil Madhavapeddy wrote: > On 20 Jul 2014, at 09:08, Thomas Leonard wrote: > >> I've uploaded some pre-built images here: >> >> http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 (Cubieboard 2) >> http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 (CubieTruck) >> >> (built from current https://github.com/mirage/xen-arm-builder) >> >> I'd be interested to hear from anyone with these devices whether they >> work for you. To test: >> >> 1. Download and unpack the image for your board. >> >> 2. Copy to the SDcard, e.g. >> dd if=cubie.img of=/dev/mmcblk0 >> >> 3. Boot the device. It should get an IP address by DHCP. > > On MacOS X, the dd instructions are: > > 1. Find the disk device of the card you inserted > sudo diskutil list > (e.g. disk2) > > 2. unmount the disk images > sudo diskutil unmountDIsk /dev/diskN > > 3. sudo dd if=cubie.img of=/dev/rdiskN bs=64k > > Without the 'rdisk' in the output file, the copying will be extremely slow > due to buffering. > >> >> The devices announce a .local name using mDNS, so you should be able >> to ssh to $BOARD.local, e.g. >> >> ssh mirage@cubieboard2.local. >> >> (password: mirage) >> >> You should now have a working Xen host ("xl list" to list current VMs, >> "lvcreate" to create guest disks). >> >> To install the ARM version of mirage: >> >> $ opam init >> $ wget https://github.com/mirage/mirage-xen-minios/releases/download/v0.2/mirage-xen-minios-v0.2.tar.bz2 >> $ tar xjf mirage-xen-minios-v0.2.tar.bz2 >> $ cd mirage-xen-minios >> $ make >> $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs >> $ opam pin mirage-xen https://github.com/mirage/mirage-platform >> $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum >> $ opam install mirage >> > > Minor improvement now, since `mirage-xen-minios` has been integrated upstream into OPAM. > > > $ opam install mirage-minios-xen Note: looks like it's actually: $ opam install mirage-xen-minios > $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs > $ opam pin mirage-xen https://github.com/mirage/mirage-platform > $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum > $ opam install mirage > >> You should now be able to follow the rest of the Mirage tutorial: >> >> http://openmirage.org/wiki/hello-world >> >> Notes: >> >> 1. On my network, the mDNS name is only available briefly. I think my >> router may be blocking queries. If so, you might want to assign a >> fixed IP address soon after connecting. >> >> 2. If you try to build a unikernel with an HTTP server, it may >> complain that it can't link -lssl (and other libraries). For now, you >> can edit the Makefile to remove the extra libraries. > > This was due to an incorrect Unix dependency sneaking into Cohttp_lwt. > I've put a candidate fix in: > https://github.com/mirage/ocaml-cohttp/pull/152 Thanks! -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 10:57:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 10:57:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8onj-0003LH-Vw; Sun, 20 Jul 2014 10:57:07 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8onj-0003L9-72 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 10:57:07 +0000 Received: from [85.158.143.35:60036] by server-3.bemta-4.messagelabs.com id E6/1A-09960-280ABC35; Sun, 20 Jul 2014 10:57:06 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1405853823!18896242!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18777 invoked from network); 20 Jul 2014 10:57:04 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 20 Jul 2014 10:57:04 -0000 Received: by mail-oa0-f50.google.com with SMTP id g18so5842128oah.37 for ; Sun, 20 Jul 2014 03:57:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=zOBUlnzUatHy3tDR7uZWcexMuppY0GmYJfJmkpJo5bQ=; b=dkvCQzjsdBLvW9f0Fhd0ds2wdzeHUU55L3lt3GhcbS1d63S6SJjmphnedLDxlL5vE3 zMcz+wrtCcb8T2fllXwSnfrSB2VqdDPKCQA6c71cnFvJoLZ9WZkRpLrB/RLsParIIRNS +K682XQp1eKhIWr0sWhhQwbmqDsZTt4kqZluehvznC8H4tJ+TxIVS+F5+CNo0othPKNo sXSszdABluJm92gzoCocbG4VV145Ncj6uSuxe/P2GH2T3JxYNAEQbh5lF1dZLbvMTWzT vijzc7XY+N+dqnLkvjNSZGMDYiZEnMdQBz3jKv+tfZOVsOwmNe56bUsE0cGOb5NLYCMP +UEw== MIME-Version: 1.0 X-Received: by 10.60.176.134 with SMTP id ci6mr3415797oec.85.1405853823375; Sun, 20 Jul 2014 03:57:03 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Sun, 20 Jul 2014 03:57:03 -0700 (PDT) In-Reply-To: <977EECB5-9654-4008-8376-E6F3781A7940@recoil.org> References: <977EECB5-9654-4008-8376-E6F3781A7940@recoil.org> Date: Sun, 20 Jul 2014 11:57:03 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Pre-built Xen images for Cubieboard/CubieTruck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 20 July 2014 11:07, Anil Madhavapeddy wrote: > On 20 Jul 2014, at 09:08, Thomas Leonard wrote: > >> I've uploaded some pre-built images here: >> >> http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 (Cubieboard 2) >> http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 (CubieTruck) >> >> (built from current https://github.com/mirage/xen-arm-builder) >> >> I'd be interested to hear from anyone with these devices whether they >> work for you. To test: >> >> 1. Download and unpack the image for your board. >> >> 2. Copy to the SDcard, e.g. >> dd if=cubie.img of=/dev/mmcblk0 >> >> 3. Boot the device. It should get an IP address by DHCP. > > On MacOS X, the dd instructions are: > > 1. Find the disk device of the card you inserted > sudo diskutil list > (e.g. disk2) > > 2. unmount the disk images > sudo diskutil unmountDIsk /dev/diskN > > 3. sudo dd if=cubie.img of=/dev/rdiskN bs=64k > > Without the 'rdisk' in the output file, the copying will be extremely slow > due to buffering. > >> >> The devices announce a .local name using mDNS, so you should be able >> to ssh to $BOARD.local, e.g. >> >> ssh mirage@cubieboard2.local. >> >> (password: mirage) >> >> You should now have a working Xen host ("xl list" to list current VMs, >> "lvcreate" to create guest disks). >> >> To install the ARM version of mirage: >> >> $ opam init >> $ wget https://github.com/mirage/mirage-xen-minios/releases/download/v0.2/mirage-xen-minios-v0.2.tar.bz2 >> $ tar xjf mirage-xen-minios-v0.2.tar.bz2 >> $ cd mirage-xen-minios >> $ make >> $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs >> $ opam pin mirage-xen https://github.com/mirage/mirage-platform >> $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum >> $ opam install mirage >> > > Minor improvement now, since `mirage-xen-minios` has been integrated upstream into OPAM. > > > $ opam install mirage-minios-xen Note: looks like it's actually: $ opam install mirage-xen-minios > $ opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs > $ opam pin mirage-xen https://github.com/mirage/mirage-platform > $ opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum > $ opam install mirage > >> You should now be able to follow the rest of the Mirage tutorial: >> >> http://openmirage.org/wiki/hello-world >> >> Notes: >> >> 1. On my network, the mDNS name is only available briefly. I think my >> router may be blocking queries. If so, you might want to assign a >> fixed IP address soon after connecting. >> >> 2. If you try to build a unikernel with an HTTP server, it may >> complain that it can't link -lssl (and other libraries). For now, you >> can edit the Makefile to remove the extra libraries. > > This was due to an incorrect Unix dependency sneaking into Cohttp_lwt. > I've put a candidate fix in: > https://github.com/mirage/ocaml-cohttp/pull/152 Thanks! -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 15:22:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 15:22:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8swk-0005vS-Gv; Sun, 20 Jul 2014 15:22:42 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8swi-0005vM-Uz for mirageos-devel@lists.xenproject.org; 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20 Jul 2014 15:19:48 -0000 Received: from [212.82.98.51] by tm17.bullet.mail.ne1.yahoo.com with NNFMP; 20 Jul 2014 15:19:48 -0000 Received: from [212.82.98.91] by tm4.bullet.mail.ir2.yahoo.com with NNFMP; 20 Jul 2014 15:19:47 -0000 Received: from [127.0.0.1] by omp1028.mail.ir2.yahoo.com with NNFMP; 20 Jul 2014 15:19:47 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 874114.29272.bm@omp1028.mail.ir2.yahoo.com Received: (qmail 23694 invoked by uid 60001); 20 Jul 2014 15:19:47 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1405869587; bh=M4tcP/WaL3CPwD6oaX/v/IUsq80ca2WRYVX7W+aBfbM=; h=References:Message-ID:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=IL5CJeNCMDqO5WMmMChh/LYxwQRTFGWTkKupnjyAOd+VcpCzahFrkD86OgjMHptMrRJH1U+1cM8D8mXS9mS+Xq0Z4eG50ksXdWEMrehLPj8e6MrHeoM9cQrO9P82CcdOnCdiwEPNL1RVWpICM70aGaj+GVRCJGDvQkUprYAM3vc= X-YMail-OSG: 1e7EdDQVM1muwfw04MdCKYdDy9Ug8czYgFYw1yBqqQbgwcG 9XeOFbp3_YKbIsTzQBXAGhEgRaH3oj_Fjp3o3fn5sNRh7BHSZagI0lQVj1MI zn.KdRzUTHBZ16MZH09lvZ0iSvQ.uvx.AK3of35QXqCGUm9ybkY7XKBD_iLy 4d1C_wY4KRAzfjdHIzH777yy7RpnJlTTc9QCJ._Ih0QpV5CeAjIp4gyiA5QH 7cViB55emaM74rke_e_XGzoFb73C9.jx9Uf2MJUgjBHmjxShGrUIKW1i3HyL A.zuydxW74yjYnmTzY7R_JT2TWYeZCrglJN7HWPt7CogI4L93GwYT4Uv_RFz a_QkyKK5mnkAti.AIo1ofMvZsz_qbW2mrFMBf8Zsr_7cUtRqfuT31KVVPYiN ZTOnru.l8GUIEc63I0e6ACLE3jWpXBU4qJoSWskxpvu_B6Jng8JA0risCl8X LWjuc.QRMMYsMomm01_UxEdFAbuCBgtH97tX1qVYhoZoO4FuwNc8fQk12qKe 3JTlyvUz7CgXSo2my1fmkgaQaIHS1KWysZch9McaND1KulUuw8Z2adWEzRiZ m673TfliaIFKdOPecy0ubNcGPJdOjyCKhNlB5Mws- Received: from [171.25.193.20] by web172006.mail.ir2.yahoo.com via HTTP; Sun, 20 Jul 2014 16:19:47 BST X-Rocket-MIMEInfo: 002.001, QXdlc29tZSEgUGF0Y2ggd29ya2VkIGZpbmUsIHRoYW5rcyBBbmlsLgoKCgoKT24gU2F0dXJkYXksIDE5IEp1bHkgMjAxNCwgMTk6NTcsIEFuaWwgTWFkaGF2YXBlZGR5IDxhbmlsQHJlY29pbC5vcmc.IHdyb3RlOgogCgoKVGhpcyBsb29rcyBsaWtlIGEgYnVnIHRvIG1lLiBDb3VsZCB5b3UgdHJ5IG91dCB0aGUgZml4IGluwqAKaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UtdGNwaXAvcHVsbC82MApieSBhbnkgY2hhbmNlPyDCoGBvcGFtIHBpbiB0Y3BpcCBnaXQ6Ly9naXRodWIuY29tL2F2c20vbWkBMAEBAQE- X-Mailer: YahooMailWebService/0.8.195.680 References: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> Message-ID: <1405869587.48411.YahooMailNeo@web172006.mail.ir2.yahoo.com> Date: Sun, 20 Jul 2014 16:19:47 +0100 From: Tom Brown To: Anil Madhavapeddy In-Reply-To: <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> MIME-Version: 1.0 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6204904363706910675==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6204904363706910675== Content-Type: multipart/alternative; boundary="-1282842291-668927159-1405869587=:48411" ---1282842291-668927159-1405869587=:48411 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Awesome! Patch worked fine, thanks Anil.=0A=0A=0A=0A=0AOn Saturday, 19 July= 2014, 19:57, Anil Madhavapeddy wrote:=0A =0A=0A=0AThis l= ooks like a bug to me. Could you try out the fix in=A0=0Ahttps://github.com= /mirage/mirage-tcpip/pull/60=0Aby any chance? =A0`opam pin tcpip git://gith= ub.com/avsm/mirage-tcpip#fix-checksum-modules`=0A=0AThe module was exposed = twice by mistake in both modules, hence the clash. =A0The fix just moves it= to the toplevel `tcpip` library.=0A=0AOut of interest, is the test applica= tion you are using for this available anywhere? =A0It didn't show up in nor= mal use of the library since it requires linking specifically to it.=0A=0A-= anil=0A=0AOn 19 Jul 2014, at 16:22, Tom Brown wrote= :=0A=0AHi,=0A>=0A>=0A>When using module Tcpip_checksum (the revised version= of Checksum?), I receive the following error:=0A>=0A>=0A>File "_none_", li= ne 1:=0A>Error: Files /home/user/.opam/system/lib/tcpip/ethif.cmxa=0A>=A0= =A0=A0=A0=A0=A0 and /home/user/.opam/system/lib/tcpip/ipv4.cmxa=0A>=A0=A0= =A0=A0=A0=A0 both define a module named Tcpip_checksum=0A>=0A>=0A>Any sugge= stion to fix this problem?=0A>=0A>=0A>Thanks.=0A>__________________________= _____________________=0A>MirageOS-devel mailing list=0A>MirageOS-devel@list= s.xenproject.org=0A>http://lists.xenproject.org/cgi-bin/mailman/listinfo/mi= rageos-devel=0A> ---1282842291-668927159-1405869587=:48411 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Awesome! Patch worked fine, thanks Anil.




On Saturday, 19 July 2014, 19:57, Anil Madhavapeddy <anil@r= ecoil.org> wrote:


This looks like a bug to me. Could you try out t= he fix in 

Th= e module was exposed twice by mistake in both modules, hence the clash. &nb= sp;The fix just moves it to the toplevel `tcpip` library.

Out of interest, is the test application you are usi= ng for this available anywhere?  It didn't show up in normal use of th= e library since it requires linking specifically to it.

-anil

On= 19 Jul 2014, at 16:22, Tom Brown <tom.jrbrown@yahoo.com> wrote:

Hi,

When using module Tcpip_checks= um (the revised version of Checksum?), I receive the following error:
=

File=0A "_none_", line 1:
Error: Files /home/user/.opam/sys= tem/lib/tcpip/ethif.cmxa
       and /home/user/.opam/system/lib/tcp= ip/ipv4.cmxa
 &nb= sp;     both define a module named Tcpip_checksum
=

Any suggestion to fix this problem?

Thanks.
_________________= ______________________________
MirageOS-devel mailing lis= t
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-= devel

<= /div>


---1282842291-668927159-1405869587=:48411-- --===============6204904363706910675== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6204904363706910675==-- From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 15:22:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 15:22:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8swk-0005vS-Gv; Sun, 20 Jul 2014 15:22:42 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X8swi-0005vM-Uz for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 15:22:41 +0000 Received: from [85.158.139.211:32615] by server-15.bemta-5.messagelabs.com id C6/67-07751-0CEDBC35; 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20 Jul 2014 15:19:47 -0000 Received: from [127.0.0.1] by omp1028.mail.ir2.yahoo.com with NNFMP; 20 Jul 2014 15:19:47 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 874114.29272.bm@omp1028.mail.ir2.yahoo.com Received: (qmail 23694 invoked by uid 60001); 20 Jul 2014 15:19:47 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1405869587; bh=M4tcP/WaL3CPwD6oaX/v/IUsq80ca2WRYVX7W+aBfbM=; h=References:Message-ID:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=IL5CJeNCMDqO5WMmMChh/LYxwQRTFGWTkKupnjyAOd+VcpCzahFrkD86OgjMHptMrRJH1U+1cM8D8mXS9mS+Xq0Z4eG50ksXdWEMrehLPj8e6MrHeoM9cQrO9P82CcdOnCdiwEPNL1RVWpICM70aGaj+GVRCJGDvQkUprYAM3vc= X-YMail-OSG: 1e7EdDQVM1muwfw04MdCKYdDy9Ug8czYgFYw1yBqqQbgwcG 9XeOFbp3_YKbIsTzQBXAGhEgRaH3oj_Fjp3o3fn5sNRh7BHSZagI0lQVj1MI zn.KdRzUTHBZ16MZH09lvZ0iSvQ.uvx.AK3of35QXqCGUm9ybkY7XKBD_iLy 4d1C_wY4KRAzfjdHIzH777yy7RpnJlTTc9QCJ._Ih0QpV5CeAjIp4gyiA5QH 7cViB55emaM74rke_e_XGzoFb73C9.jx9Uf2MJUgjBHmjxShGrUIKW1i3HyL A.zuydxW74yjYnmTzY7R_JT2TWYeZCrglJN7HWPt7CogI4L93GwYT4Uv_RFz a_QkyKK5mnkAti.AIo1ofMvZsz_qbW2mrFMBf8Zsr_7cUtRqfuT31KVVPYiN ZTOnru.l8GUIEc63I0e6ACLE3jWpXBU4qJoSWskxpvu_B6Jng8JA0risCl8X LWjuc.QRMMYsMomm01_UxEdFAbuCBgtH97tX1qVYhoZoO4FuwNc8fQk12qKe 3JTlyvUz7CgXSo2my1fmkgaQaIHS1KWysZch9McaND1KulUuw8Z2adWEzRiZ m673TfliaIFKdOPecy0ubNcGPJdOjyCKhNlB5Mws- Received: from [171.25.193.20] by web172006.mail.ir2.yahoo.com via HTTP; Sun, 20 Jul 2014 16:19:47 BST X-Rocket-MIMEInfo: 002.001, QXdlc29tZSEgUGF0Y2ggd29ya2VkIGZpbmUsIHRoYW5rcyBBbmlsLgoKCgoKT24gU2F0dXJkYXksIDE5IEp1bHkgMjAxNCwgMTk6NTcsIEFuaWwgTWFkaGF2YXBlZGR5IDxhbmlsQHJlY29pbC5vcmc.IHdyb3RlOgogCgoKVGhpcyBsb29rcyBsaWtlIGEgYnVnIHRvIG1lLiBDb3VsZCB5b3UgdHJ5IG91dCB0aGUgZml4IGluwqAKaHR0cHM6Ly9naXRodWIuY29tL21pcmFnZS9taXJhZ2UtdGNwaXAvcHVsbC82MApieSBhbnkgY2hhbmNlPyDCoGBvcGFtIHBpbiB0Y3BpcCBnaXQ6Ly9naXRodWIuY29tL2F2c20vbWkBMAEBAQE- X-Mailer: YahooMailWebService/0.8.195.680 References: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> Message-ID: <1405869587.48411.YahooMailNeo@web172006.mail.ir2.yahoo.com> Date: Sun, 20 Jul 2014 16:19:47 +0100 From: Tom Brown To: Anil Madhavapeddy In-Reply-To: <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> MIME-Version: 1.0 Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6204904363706910675==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6204904363706910675== Content-Type: multipart/alternative; boundary="-1282842291-668927159-1405869587=:48411" ---1282842291-668927159-1405869587=:48411 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Awesome! Patch worked fine, thanks Anil.=0A=0A=0A=0A=0AOn Saturday, 19 July= 2014, 19:57, Anil Madhavapeddy wrote:=0A =0A=0A=0AThis l= ooks like a bug to me. Could you try out the fix in=A0=0Ahttps://github.com= /mirage/mirage-tcpip/pull/60=0Aby any chance? =A0`opam pin tcpip git://gith= ub.com/avsm/mirage-tcpip#fix-checksum-modules`=0A=0AThe module was exposed = twice by mistake in both modules, hence the clash. =A0The fix just moves it= to the toplevel `tcpip` library.=0A=0AOut of interest, is the test applica= tion you are using for this available anywhere? =A0It didn't show up in nor= mal use of the library since it requires linking specifically to it.=0A=0A-= anil=0A=0AOn 19 Jul 2014, at 16:22, Tom Brown wrote= :=0A=0AHi,=0A>=0A>=0A>When using module Tcpip_checksum (the revised version= of Checksum?), I receive the following error:=0A>=0A>=0A>File "_none_", li= ne 1:=0A>Error: Files /home/user/.opam/system/lib/tcpip/ethif.cmxa=0A>=A0= =A0=A0=A0=A0=A0 and /home/user/.opam/system/lib/tcpip/ipv4.cmxa=0A>=A0=A0= =A0=A0=A0=A0 both define a module named Tcpip_checksum=0A>=0A>=0A>Any sugge= stion to fix this problem?=0A>=0A>=0A>Thanks.=0A>__________________________= _____________________=0A>MirageOS-devel mailing list=0A>MirageOS-devel@list= s.xenproject.org=0A>http://lists.xenproject.org/cgi-bin/mailman/listinfo/mi= rageos-devel=0A> ---1282842291-668927159-1405869587=:48411 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable
Awesome! Patch worked fine, thanks Anil.




On Saturday, 19 July 2014, 19:57, Anil Madhavapeddy <anil@r= ecoil.org> wrote:


This looks like a bug to me. Could you try out t= he fix in 

Th= e module was exposed twice by mistake in both modules, hence the clash. &nb= sp;The fix just moves it to the toplevel `tcpip` library.

Out of interest, is the test application you are usi= ng for this available anywhere?  It didn't show up in normal use of th= e library since it requires linking specifically to it.

-anil

On= 19 Jul 2014, at 16:22, Tom Brown <tom.jrbrown@yahoo.com> wrote:

Hi,

When using module Tcpip_checks= um (the revised version of Checksum?), I receive the following error:
=

File=0A "_none_", line 1:
Error: Files /home/user/.opam/sys= tem/lib/tcpip/ethif.cmxa
       and /home/user/.opam/system/lib/tcp= ip/ipv4.cmxa
 &nb= sp;     both define a module named Tcpip_checksum
=

Any suggestion to fix this problem?

Thanks.
_________________= ______________________________
MirageOS-devel mailing lis= t
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-= devel

<= /div>


---1282842291-668927159-1405869587=:48411-- --===============6204904363706910675== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6204904363706910675==-- From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 22:56:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 22:56:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9023-0006nf-Qt; Sun, 20 Jul 2014 22:56:39 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9022-0006na-J2 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 22:56:38 +0000 Received: from [85.158.143.35:25645] by server-2.bemta-4.messagelabs.com id 3B/FD-26128-5294CC35; Sun, 20 Jul 2014 22:56:37 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-21.messagelabs.com!1405896996!18907724!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests=HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8444 invoked from network); 20 Jul 2014 22:56:36 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-21.messagelabs.com with SMTP; 20 Jul 2014 22:56:36 -0000 Received: (qmail 11722 invoked by uid 634); 20 Jul 2014 22:56:35 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [172.31.109.145]) (216.9.110.5) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 20 Jul 2014 23:56:35 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <1405869587.48411.YahooMailNeo@web172006.mail.ir2.yahoo.com> Date: Sun, 20 Jul 2014 15:56:31 -0700 Message-Id: <87DD3AEE-DDD7-4AF5-960F-C7302ACF86E1@recoil.org> References: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> <1405869587.48411.YahooMailNeo@web172006.mail.ir2.yahoo.com> To: Tom Brown X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0983399933065879349==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0983399933065879349== Content-Type: multipart/alternative; boundary="Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51" --Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Excellent -- the fix will be in OPAM soon as tcpip-1.1.6: https://github.com/mirage/mirage-tcpip/releases/tag/v1.1.6 https://github.com/ocaml/opam-repository/pull/2377 (This release also includes Mindy's recent fixes to improve TCP option = parsing) -anil On 20 Jul 2014, at 08:19, Tom Brown wrote: > Awesome! Patch worked fine, thanks Anil. >=20 >=20 >=20 >=20 > On Saturday, 19 July 2014, 19:57, Anil Madhavapeddy = wrote: >=20 >=20 > This looks like a bug to me. Could you try out the fix in=20 > https://github.com/mirage/mirage-tcpip/pull/60 > by any chance? `opam pin tcpip = git://github.com/avsm/mirage-tcpip#fix-checksum-modules` >=20 > The module was exposed twice by mistake in both modules, hence the = clash. The fix just moves it to the toplevel `tcpip` library. >=20 > Out of interest, is the test application you are using for this = available anywhere? It didn't show up in normal use of the library = since it requires linking specifically to it. >=20 > -anil >=20 > On 19 Jul 2014, at 16:22, Tom Brown wrote: >=20 >> Hi, >>=20 >> When using module Tcpip_checksum (the revised version of Checksum?), = I receive the following error: >>=20 >> File "_none_", line 1: >> Error: Files /home/user/.opam/system/lib/tcpip/ethif.cmxa >> and /home/user/.opam/system/lib/tcpip/ipv4.cmxa >> both define a module named Tcpip_checksum >>=20 >> Any suggestion to fix this problem? >>=20 >> Thanks. >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Excellent -- the fix will be in OPAM soon as = tcpip-1.1.6:

(This = release also includes Mindy's recent fixes to improve TCP option = parsing)

-anil

On 20 = Jul 2014, at 08:19, Tom Brown <tom.jrbrown@yahoo.com> = wrote:

Awesome! Patch worked = fine, thanks Anil.




On Saturday, 19 July 2014, = 19:57, Anil Madhavapeddy <anil@recoil.org> wrote:
=


This looks like a bug to me. Could you try out the = fix in 
by any chance?  `opam = pin tcpip git://github.com/avsm/mirage-tcpip#fix-checksum-modules= `

The module was exposed twice = by mistake in both modules, hence the clash.  The fix just moves it = to the toplevel `tcpip` library.

Out of interest, is the test application you = are using for this available anywhere?  It didn't show up in normal = use of the library since it requires linking specifically to = it.

-anil

On 19 Jul 2014, at 16:22, Tom Brown <tom.jrbrown@yahoo.com> = wrote:

Hi,

When using = module Tcpip_checksum (the revised version of Checksum?), I receive the = following error:

File "_none_", line 1:
Error: Files = /home/user/.opam/system/lib/tcpip/ethif.cmxa
       and = /home/user/.opam/system/lib/tcpip/ipv4.cmxa
       both = define a module named Tcpip_checksum

Any = suggestion to fix this problem?

Thanks.
_________________________________________= ______
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=



=
_______________________________________________
MirageOS-de= vel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51-- --===============0983399933065879349== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0983399933065879349==-- From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 22:56:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 22:56:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9023-0006nf-Qt; Sun, 20 Jul 2014 22:56:39 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9022-0006na-J2 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 22:56:38 +0000 Received: from [85.158.143.35:25645] by server-2.bemta-4.messagelabs.com id 3B/FD-26128-5294CC35; Sun, 20 Jul 2014 22:56:37 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-21.messagelabs.com!1405896996!18907724!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests=HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8444 invoked from network); 20 Jul 2014 22:56:36 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-21.messagelabs.com with SMTP; 20 Jul 2014 22:56:36 -0000 Received: (qmail 11722 invoked by uid 634); 20 Jul 2014 22:56:35 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [172.31.109.145]) (216.9.110.5) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sun, 20 Jul 2014 23:56:35 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <1405869587.48411.YahooMailNeo@web172006.mail.ir2.yahoo.com> Date: Sun, 20 Jul 2014 15:56:31 -0700 Message-Id: <87DD3AEE-DDD7-4AF5-960F-C7302ACF86E1@recoil.org> References: <1405783345.38503.YahooMailNeo@web172002.mail.ir2.yahoo.com> <97755A48-AAA5-42D7-B3DD-68A2C839533F@recoil.org> <1405869587.48411.YahooMailNeo@web172006.mail.ir2.yahoo.com> To: Tom Brown X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Tcpip_checksum error X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0983399933065879349==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0983399933065879349== Content-Type: multipart/alternative; boundary="Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51" --Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Excellent -- the fix will be in OPAM soon as tcpip-1.1.6: https://github.com/mirage/mirage-tcpip/releases/tag/v1.1.6 https://github.com/ocaml/opam-repository/pull/2377 (This release also includes Mindy's recent fixes to improve TCP option = parsing) -anil On 20 Jul 2014, at 08:19, Tom Brown wrote: > Awesome! Patch worked fine, thanks Anil. >=20 >=20 >=20 >=20 > On Saturday, 19 July 2014, 19:57, Anil Madhavapeddy = wrote: >=20 >=20 > This looks like a bug to me. Could you try out the fix in=20 > https://github.com/mirage/mirage-tcpip/pull/60 > by any chance? `opam pin tcpip = git://github.com/avsm/mirage-tcpip#fix-checksum-modules` >=20 > The module was exposed twice by mistake in both modules, hence the = clash. The fix just moves it to the toplevel `tcpip` library. >=20 > Out of interest, is the test application you are using for this = available anywhere? It didn't show up in normal use of the library = since it requires linking specifically to it. >=20 > -anil >=20 > On 19 Jul 2014, at 16:22, Tom Brown wrote: >=20 >> Hi, >>=20 >> When using module Tcpip_checksum (the revised version of Checksum?), = I receive the following error: >>=20 >> File "_none_", line 1: >> Error: Files /home/user/.opam/system/lib/tcpip/ethif.cmxa >> and /home/user/.opam/system/lib/tcpip/ipv4.cmxa >> both define a module named Tcpip_checksum >>=20 >> Any suggestion to fix this problem? >>=20 >> Thanks. >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Excellent -- the fix will be in OPAM soon as = tcpip-1.1.6:

(This = release also includes Mindy's recent fixes to improve TCP option = parsing)

-anil

On 20 = Jul 2014, at 08:19, Tom Brown <tom.jrbrown@yahoo.com> = wrote:

Awesome! Patch worked = fine, thanks Anil.




On Saturday, 19 July 2014, = 19:57, Anil Madhavapeddy <anil@recoil.org> wrote:
=


This looks like a bug to me. Could you try out the = fix in 
by any chance?  `opam = pin tcpip git://github.com/avsm/mirage-tcpip#fix-checksum-modules= `

The module was exposed twice = by mistake in both modules, hence the clash.  The fix just moves it = to the toplevel `tcpip` library.

Out of interest, is the test application you = are using for this available anywhere?  It didn't show up in normal = use of the library since it requires linking specifically to = it.

-anil

On 19 Jul 2014, at 16:22, Tom Brown <tom.jrbrown@yahoo.com> = wrote:

Hi,

When using = module Tcpip_checksum (the revised version of Checksum?), I receive the = following error:

File "_none_", line 1:
Error: Files = /home/user/.opam/system/lib/tcpip/ethif.cmxa
       and = /home/user/.opam/system/lib/tcpip/ipv4.cmxa
       both = define a module named Tcpip_checksum

Any = suggestion to fix this problem?

Thanks.
_________________________________________= ______
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=



=
_______________________________________________
MirageOS-de= vel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_53097B65-EA26-43FB-A453-6D73CB8BAA51-- --===============0983399933065879349== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0983399933065879349==-- From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 23:08:10 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 23:08:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X90DA-00078e-U9; Sun, 20 Jul 2014 23:08:08 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X90DA-00078W-34 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 23:08:08 +0000 Received: from [85.158.143.35:21471] by server-3.bemta-4.messagelabs.com id F5/26-09960-7DB4CC35; Sun, 20 Jul 2014 23:08:07 +0000 X-Env-Sender: andy.ray@ujamjar.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1405897686!18894823!1 X-Originating-IP: [31.172.243.2] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21015 invoked from network); 20 Jul 2014 23:08:06 -0000 Received: from vm12460.vps.tagadab.com (HELO www.ujamjar.com) (31.172.243.2) by server-15.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 20 Jul 2014 23:08:06 -0000 Received: from mail-we0-f178.google.com (mail-we0-f178.google.com [74.125.82.178]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by www.ujamjar.com (Postfix) with ESMTPSA id 6436D12437A for ; Mon, 21 Jul 2014 00:07:51 +0100 (BST) Received: by mail-we0-f178.google.com with SMTP id w61so6750887wes.23 for ; Sun, 20 Jul 2014 16:07:45 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.100.193 with SMTP id fa1mr11614593wib.16.1405897665883; Sun, 20 Jul 2014 16:07:45 -0700 (PDT) Received: by 10.180.106.8 with HTTP; Sun, 20 Jul 2014 16:07:45 -0700 (PDT) In-Reply-To: References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> Date: Mon, 21 Jul 2014 00:07:45 +0100 Message-ID: From: Andy Ray To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed >> fixed (mainly harsher warnings as errors from clang) >> * natdynlink/pic is unavailable - various packages are patched to >> remove cmxs generation > > Erk, are these changes necessary because the build fails if natdynlink > isn't available? That's a bad OASIS bug if so... Not too sure how oasis detects these things, but it might be complicated by the fact that the compiler is capable of natdynlink but it's turned off through non-standard environment variables. Also, its not just oasis. A whole raft of different packages with different build systems need patched. I believe opam will get a flag in 1.2 to help control this. > The Lwt base-threads/unix seems to be a bug in trunk as well (build > fails on my Mac). I think I squished that problem - the compiler now installs those packages properly. I haven't looked into building the compiler on anything other than FreeBSD so there may be other problems also. > This looks very promising. Have you looked at the new MiniOS layout > in mirage/mirage-xen-minios? All of this has been lifted out of the > mirage-platform repo now to be a separate library. > > This should make it easier for kFreeBSD, since if you provide similar > C symbols, we can massage the bindings in mirage-platform/kFreeBSD > to satisfy the relevant OCaml module types. > I had a quick look at mirage-xen-minios but I'm not too sure what its related too. Are you planning to move the backends out of the mirage-platform project? Anyway, I did a recompile of everything and there are a few minor nitpicks. You need to build the compiler then; > opam install xenstore > opam install mirage-kfreebsd mirage mirage-console-kfreebsd I've also just noticed that kldunload of the kernel module will crash FreeBSD which is not very pleasant. That will need sorted. -Andy _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 20 23:08:10 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 20 Jul 2014 23:08:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X90DA-00078e-U9; Sun, 20 Jul 2014 23:08:08 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X90DA-00078W-34 for mirageos-devel@lists.xenproject.org; Sun, 20 Jul 2014 23:08:08 +0000 Received: from [85.158.143.35:21471] by server-3.bemta-4.messagelabs.com id F5/26-09960-7DB4CC35; Sun, 20 Jul 2014 23:08:07 +0000 X-Env-Sender: andy.ray@ujamjar.com X-Msg-Ref: server-15.tower-21.messagelabs.com!1405897686!18894823!1 X-Originating-IP: [31.172.243.2] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21015 invoked from network); 20 Jul 2014 23:08:06 -0000 Received: from vm12460.vps.tagadab.com (HELO www.ujamjar.com) (31.172.243.2) by server-15.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 20 Jul 2014 23:08:06 -0000 Received: from mail-we0-f178.google.com (mail-we0-f178.google.com [74.125.82.178]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by www.ujamjar.com (Postfix) with ESMTPSA id 6436D12437A for ; Mon, 21 Jul 2014 00:07:51 +0100 (BST) Received: by mail-we0-f178.google.com with SMTP id w61so6750887wes.23 for ; Sun, 20 Jul 2014 16:07:45 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.100.193 with SMTP id fa1mr11614593wib.16.1405897665883; Sun, 20 Jul 2014 16:07:45 -0700 (PDT) Received: by 10.180.106.8 with HTTP; Sun, 20 Jul 2014 16:07:45 -0700 (PDT) In-Reply-To: References: <20140429131720.GA28340@frosties> <148C1016-1206-43AC-8230-75A043429231@recoil.org> <1A84C18A-E792-4A05-8701-5ED6AA2BA74A@recoil.org> Date: Mon, 21 Jul 2014 00:07:45 +0100 Message-ID: From: Andy Ray To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage ARM port X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> * FreeBSD10 - uses clang - some kfreesbd ocaml runtime issues needed >> fixed (mainly harsher warnings as errors from clang) >> * natdynlink/pic is unavailable - various packages are patched to >> remove cmxs generation > > Erk, are these changes necessary because the build fails if natdynlink > isn't available? That's a bad OASIS bug if so... Not too sure how oasis detects these things, but it might be complicated by the fact that the compiler is capable of natdynlink but it's turned off through non-standard environment variables. Also, its not just oasis. A whole raft of different packages with different build systems need patched. I believe opam will get a flag in 1.2 to help control this. > The Lwt base-threads/unix seems to be a bug in trunk as well (build > fails on my Mac). I think I squished that problem - the compiler now installs those packages properly. I haven't looked into building the compiler on anything other than FreeBSD so there may be other problems also. > This looks very promising. Have you looked at the new MiniOS layout > in mirage/mirage-xen-minios? All of this has been lifted out of the > mirage-platform repo now to be a separate library. > > This should make it easier for kFreeBSD, since if you provide similar > C symbols, we can massage the bindings in mirage-platform/kFreeBSD > to satisfy the relevant OCaml module types. > I had a quick look at mirage-xen-minios but I'm not too sure what its related too. Are you planning to move the backends out of the mirage-platform project? Anyway, I did a recompile of everything and there are a few minor nitpicks. You need to build the compiler then; > opam install xenstore > opam install mirage-kfreebsd mirage mirage-console-kfreebsd I've also just noticed that kldunload of the kernel module will crash FreeBSD which is not very pleasant. That will need sorted. -Andy _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 08:43:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 08:43:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X99CB-0007m2-7H; Mon, 21 Jul 2014 08:43:43 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X99C9-0007lx-J1 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 08:43:41 +0000 Received: from [85.158.137.68:53480] by server-2.bemta-3.messagelabs.com id 2A/0C-09149-CB2DCC35; Mon, 21 Jul 2014 08:43:40 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1405932219!13083643!1 X-Originating-IP: [74.125.82.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22571 invoked from network); 21 Jul 2014 08:43:40 -0000 Received: from mail-we0-f169.google.com (HELO mail-we0-f169.google.com) (74.125.82.169) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 08:43:40 -0000 Received: by mail-we0-f169.google.com with SMTP id u56so7209790wes.0 for ; Mon, 21 Jul 2014 01:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=RKZi/TBl00Q1XDdH+354VOnuBsVp2dSbC9/GbwSv35E=; b=gBBoNbj3gkHRAfnJDv9B+V9Wy1HOj89W0T+llSccQzsbCYMI3VR4BY/YLZCdmFZM2F U8lfEzDc1aLeufDBbkCe+l88fD4PR9TTeUqdy2OLYZPfAiPlDRrrfvy1x1mgH7dCAwjI 7miylsuerxrcYPTQSS53HV4mNeg3X2D3/pKkNmV7fdFDL4z6qk+sWrSeen9U7LJsWa0g CD2EyObvL8/jQha+jA2perbnhrUTKdhRiiZrbQL5L3WVqr/+ZzN+3DJMtaee7v7m/B2Y EbN89Rbfh8c22gVU7day4fM+sswo+t2CJxH0UpLeRx/ZB7X250FrANDlebZ6dgO8xtEH ZIyg== X-Received: by 10.194.78.68 with SMTP id z4mr11486186wjw.126.1405932219361; Mon, 21 Jul 2014 01:43:39 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id cd1sm35966825wjc.19.2014.07.21.01.43.38 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Jul 2014 01:43:38 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 09:43:37 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) X-Mailer: Apple Mail (2.1878.6) Subject: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, For those who haven't seen it yet, we've published a blog post on Irmin last friday: http://openmirage.org/blog/introducing-irmin the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 Best, Thomas _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 08:43:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 08:43:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X99CB-0007m2-7H; Mon, 21 Jul 2014 08:43:43 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X99C9-0007lx-J1 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 08:43:41 +0000 Received: from [85.158.137.68:53480] by server-2.bemta-3.messagelabs.com id 2A/0C-09149-CB2DCC35; Mon, 21 Jul 2014 08:43:40 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-7.tower-31.messagelabs.com!1405932219!13083643!1 X-Originating-IP: [74.125.82.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22571 invoked from network); 21 Jul 2014 08:43:40 -0000 Received: from mail-we0-f169.google.com (HELO mail-we0-f169.google.com) (74.125.82.169) by server-7.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 08:43:40 -0000 Received: by mail-we0-f169.google.com with SMTP id u56so7209790wes.0 for ; Mon, 21 Jul 2014 01:43:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject :message-id:date:to:mime-version; bh=RKZi/TBl00Q1XDdH+354VOnuBsVp2dSbC9/GbwSv35E=; b=gBBoNbj3gkHRAfnJDv9B+V9Wy1HOj89W0T+llSccQzsbCYMI3VR4BY/YLZCdmFZM2F U8lfEzDc1aLeufDBbkCe+l88fD4PR9TTeUqdy2OLYZPfAiPlDRrrfvy1x1mgH7dCAwjI 7miylsuerxrcYPTQSS53HV4mNeg3X2D3/pKkNmV7fdFDL4z6qk+sWrSeen9U7LJsWa0g CD2EyObvL8/jQha+jA2perbnhrUTKdhRiiZrbQL5L3WVqr/+ZzN+3DJMtaee7v7m/B2Y EbN89Rbfh8c22gVU7day4fM+sswo+t2CJxH0UpLeRx/ZB7X250FrANDlebZ6dgO8xtEH ZIyg== X-Received: by 10.194.78.68 with SMTP id z4mr11486186wjw.126.1405932219361; Mon, 21 Jul 2014 01:43:39 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id cd1sm35966825wjc.19.2014.07.21.01.43.38 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Jul 2014 01:43:38 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 09:43:37 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) X-Mailer: Apple Mail (2.1878.6) Subject: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi, For those who haven't seen it yet, we've published a blog post on Irmin last friday: http://openmirage.org/blog/introducing-irmin the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 Best, Thomas _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 10:19:54 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 10:19:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9AhC-0003qe-6N; Mon, 21 Jul 2014 10:19:50 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9AhA-0003qO-Mh for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 10:19:48 +0000 Received: from [85.158.143.35:62969] by server-3.bemta-4.messagelabs.com id B6/6E-09960-449ECC35; Mon, 21 Jul 2014 10:19:48 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1405937986!19046652!1 X-Originating-IP: [209.85.219.42] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26110 invoked from network); 21 Jul 2014 10:19:47 -0000 Received: from mail-oa0-f42.google.com (HELO mail-oa0-f42.google.com) (209.85.219.42) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 10:19:47 -0000 Received: by mail-oa0-f42.google.com with SMTP id n16so7128364oag.29 for ; Mon, 21 Jul 2014 03:19:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=aplGLrWhRZeWuFyTp/p/2ujyzZAWpIUwKFh3HGH/Y6k=; b=sADa4lBe42KWWM/P4kq5yxh7aAdh02xdVfe4CAtcxqVZMmuD0B0d6prTGYOf30sVsS 5ItlBnCNJ7KcISn0HMaaaS87vb5grNIZRS2uLQ7geG9cLhbDW1r5mSwkOx6CDxIXr6pZ YuNSbPn+Vj94ZnG9RBHqHo2vmctQjdKCJW2+BaV4PbWDuh76R3sJF/rDDa/ADHJOUGjd z+xqoHLNXzewSMM3hXc/wucteJSsqvb4mtF+kuauI3DWnYNtYpqeLz9qSrI5pF7qsg/p 4uKgdvEPapPwZVBa2kFfwElECTYaMDvowBXcXzjk8HoMLRBCOzL10l2CSjkbM/zDsN19 lOnw== MIME-Version: 1.0 X-Received: by 10.182.104.104 with SMTP id gd8mr35040557obb.17.1405937985441; Mon, 21 Jul 2014 03:19:45 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 21 Jul 2014 03:19:45 -0700 (PDT) Date: Mon, 21 Jul 2014 11:19:45 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Purpose of CAML_ENTRYPOINT, "OS.Main.run"? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Looking through the mirage-xen code, I'm wondering what the purpose of CAML_ENTRYPOINT is. The code seems to work as follows: 1. main.c calls caml_startup(), which runs main.ml. 2. main.ml calls OS.Main.run, which registers the callback "OS.Main.run" and returns. 3. main.c looks up this callback and calls it in a loop until it returns true. Why do we go back to C for this? Why doesn't the OCaml OS.Main.run just run the main loop itself? I tried it, and it seemed to work: https://github.com/talex5/mirage-platform/commit/f4fede966ab4f0f9fb7f9ae4db5b9e09efdc9a4f -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 10:19:54 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 10:19:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9AhC-0003qe-6N; Mon, 21 Jul 2014 10:19:50 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9AhA-0003qO-Mh for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 10:19:48 +0000 Received: from [85.158.143.35:62969] by server-3.bemta-4.messagelabs.com id B6/6E-09960-449ECC35; Mon, 21 Jul 2014 10:19:48 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1405937986!19046652!1 X-Originating-IP: [209.85.219.42] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26110 invoked from network); 21 Jul 2014 10:19:47 -0000 Received: from mail-oa0-f42.google.com (HELO mail-oa0-f42.google.com) (209.85.219.42) by server-9.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 10:19:47 -0000 Received: by mail-oa0-f42.google.com with SMTP id n16so7128364oag.29 for ; Mon, 21 Jul 2014 03:19:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=aplGLrWhRZeWuFyTp/p/2ujyzZAWpIUwKFh3HGH/Y6k=; b=sADa4lBe42KWWM/P4kq5yxh7aAdh02xdVfe4CAtcxqVZMmuD0B0d6prTGYOf30sVsS 5ItlBnCNJ7KcISn0HMaaaS87vb5grNIZRS2uLQ7geG9cLhbDW1r5mSwkOx6CDxIXr6pZ YuNSbPn+Vj94ZnG9RBHqHo2vmctQjdKCJW2+BaV4PbWDuh76R3sJF/rDDa/ADHJOUGjd z+xqoHLNXzewSMM3hXc/wucteJSsqvb4mtF+kuauI3DWnYNtYpqeLz9qSrI5pF7qsg/p 4uKgdvEPapPwZVBa2kFfwElECTYaMDvowBXcXzjk8HoMLRBCOzL10l2CSjkbM/zDsN19 lOnw== MIME-Version: 1.0 X-Received: by 10.182.104.104 with SMTP id gd8mr35040557obb.17.1405937985441; Mon, 21 Jul 2014 03:19:45 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 21 Jul 2014 03:19:45 -0700 (PDT) Date: Mon, 21 Jul 2014 11:19:45 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Purpose of CAML_ENTRYPOINT, "OS.Main.run"? X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Looking through the mirage-xen code, I'm wondering what the purpose of CAML_ENTRYPOINT is. The code seems to work as follows: 1. main.c calls caml_startup(), which runs main.ml. 2. main.ml calls OS.Main.run, which registers the callback "OS.Main.run" and returns. 3. main.c looks up this callback and calls it in a loop until it returns true. Why do we go back to C for this? Why doesn't the OCaml OS.Main.run just run the main loop itself? I tried it, and it seemed to work: https://github.com/talex5/mirage-platform/commit/f4fede966ab4f0f9fb7f9ae4db5b9e09efdc9a4f -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 10:54:36 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 10:54:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BEq-00006k-Hl; Mon, 21 Jul 2014 10:54:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BEp-00006W-J1 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 10:54:35 +0000 Received: from [85.158.137.68:54862] by server-10.bemta-3.messagelabs.com id C8/1E-28313-A61FCC35; Mon, 21 Jul 2014 10:54:34 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-10.tower-31.messagelabs.com!1405940074!17040489!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31090 invoked from network); 21 Jul 2014 10:54:34 -0000 Received: from engine03-20433-10.icritical.com (HELO engine03-20433-10.icritical.com) (93.159.202.52) by server-10.tower-31.messagelabs.com with SMTP; 21 Jul 2014 10:54:34 -0000 Received: (qmail 23171 invoked from network); 21 Jul 2014 10:54:30 -0000 Received: from localhost (127.0.0.1) by engine03-20433-10.icritical.com with SMTP; 21 Jul 2014 10:54:30 -0000 Received: from engine03-20433-10.icritical.com ([127.0.0.1]) by localhost (engine03-20433-10.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 21185-10 for ; Mon, 21 Jul 2014 11:54:26 +0100 (BST) Received: (qmail 23110 invoked by uid 599); 21 Jul 2014 10:54:26 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-10.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 11:54:26 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1X9BEi-0000A0-FW for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:54:28 +0100 Message-ID: <53CCF164.8090306@nottingham.ac.uk> Date: Mon, 21 Jul 2014 11:54:28 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Subject: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, How a list of network devices with arbitrary length, for example [tap0, tap1, tap2], that is defined in config, can be passed as a parameter to the Main module in unikernel.ml? Thanks. This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 10:54:36 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 10:54:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BEq-00006k-Hl; Mon, 21 Jul 2014 10:54:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BEp-00006W-J1 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 10:54:35 +0000 Received: from [85.158.137.68:54862] by server-10.bemta-3.messagelabs.com id C8/1E-28313-A61FCC35; Mon, 21 Jul 2014 10:54:34 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-10.tower-31.messagelabs.com!1405940074!17040489!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31090 invoked from network); 21 Jul 2014 10:54:34 -0000 Received: from engine03-20433-10.icritical.com (HELO engine03-20433-10.icritical.com) (93.159.202.52) by server-10.tower-31.messagelabs.com with SMTP; 21 Jul 2014 10:54:34 -0000 Received: (qmail 23171 invoked from network); 21 Jul 2014 10:54:30 -0000 Received: from localhost (127.0.0.1) by engine03-20433-10.icritical.com with SMTP; 21 Jul 2014 10:54:30 -0000 Received: from engine03-20433-10.icritical.com ([127.0.0.1]) by localhost (engine03-20433-10.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 21185-10 for ; Mon, 21 Jul 2014 11:54:26 +0100 (BST) Received: (qmail 23110 invoked by uid 599); 21 Jul 2014 10:54:26 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-10.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 11:54:26 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1X9BEi-0000A0-FW for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:54:28 +0100 Message-ID: <53CCF164.8090306@nottingham.ac.uk> Date: Mon, 21 Jul 2014 11:54:28 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Subject: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, How a list of network devices with arbitrary length, for example [tap0, tap1, tap2], that is defined in config, can be passed as a parameter to the Main module in unikernel.ml? Thanks. This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 10:59:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 10:59:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BJh-0000eV-Vf; Mon, 21 Jul 2014 10:59:37 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BJg-0000dp-6j for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 10:59:36 +0000 Received: from [85.158.143.35:32039] by server-3.bemta-4.messagelabs.com id 30/16-09960-792FCC35; Mon, 21 Jul 2014 10:59:35 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-15.tower-21.messagelabs.com!1405940374!19003377!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14447 invoked from network); 21 Jul 2014 10:59:34 -0000 Received: from engine03-20433-10.icritical.com (HELO engine03-20433-10.icritical.com) (93.159.202.52) by server-15.tower-21.messagelabs.com with SMTP; 21 Jul 2014 10:59:34 -0000 Received: (qmail 32140 invoked from network); 21 Jul 2014 10:59:31 -0000 Received: from localhost (127.0.0.1) by engine03-20433-10.icritical.com with SMTP; 21 Jul 2014 10:59:31 -0000 Received: from engine03-20433-10.icritical.com ([127.0.0.1]) by localhost (engine03-20433-10.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 29778-01 for ; Mon, 21 Jul 2014 11:58:52 +0100 (BST) Received: (qmail 29839 invoked by uid 599); 21 Jul 2014 10:58:52 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-10.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 11:58:52 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1X9BJ0-0000Qi-6T for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:58:54 +0100 Message-ID: <53CCF26E.5090508@nottingham.ac.uk> Date: Mon, 21 Jul 2014 11:58:54 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" References: <53CCF164.8090306@nottingham.ac.uk> In-Reply-To: <53CCF164.8090306@nottingham.ac.uk> X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Subject: Re: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Just a fix in the example: [tap0; tap1; tap2] On 21/07/14 11:54, Masoud Koleini wrote: > Hi all, > > How a list of network devices with arbitrary length, for example [tap0, > tap1, tap2], that is defined in config, can be passed as a parameter to > the Main module in unikernel.ml? > > Thanks. > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 10:59:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 10:59:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BJh-0000eV-Vf; Mon, 21 Jul 2014 10:59:37 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BJg-0000dp-6j for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 10:59:36 +0000 Received: from [85.158.143.35:32039] by server-3.bemta-4.messagelabs.com id 30/16-09960-792FCC35; Mon, 21 Jul 2014 10:59:35 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-15.tower-21.messagelabs.com!1405940374!19003377!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14447 invoked from network); 21 Jul 2014 10:59:34 -0000 Received: from engine03-20433-10.icritical.com (HELO engine03-20433-10.icritical.com) (93.159.202.52) by server-15.tower-21.messagelabs.com with SMTP; 21 Jul 2014 10:59:34 -0000 Received: (qmail 32140 invoked from network); 21 Jul 2014 10:59:31 -0000 Received: from localhost (127.0.0.1) by engine03-20433-10.icritical.com with SMTP; 21 Jul 2014 10:59:31 -0000 Received: from engine03-20433-10.icritical.com ([127.0.0.1]) by localhost (engine03-20433-10.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 29778-01 for ; Mon, 21 Jul 2014 11:58:52 +0100 (BST) Received: (qmail 29839 invoked by uid 599); 21 Jul 2014 10:58:52 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-10.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 11:58:52 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1X9BJ0-0000Qi-6T for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:58:54 +0100 Message-ID: <53CCF26E.5090508@nottingham.ac.uk> Date: Mon, 21 Jul 2014 11:58:54 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" References: <53CCF164.8090306@nottingham.ac.uk> In-Reply-To: <53CCF164.8090306@nottingham.ac.uk> X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Subject: Re: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Just a fix in the example: [tap0; tap1; tap2] On 21/07/14 11:54, Masoud Koleini wrote: > Hi all, > > How a list of network devices with arbitrary length, for example [tap0, > tap1, tap2], that is defined in config, can be passed as a parameter to > the Main module in unikernel.ml? > > Thanks. > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 11:02:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 11:02:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BMv-00011l-R4; Mon, 21 Jul 2014 11:02:57 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BMu-00011Z-AX for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:02:56 +0000 Received: from [193.109.254.147:37331] by server-8.bemta-14.messagelabs.com id 0E/B7-07074-F53FCC35; Mon, 21 Jul 2014 11:02:55 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-6.tower-27.messagelabs.com!1405940574!18623418!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13962 invoked from network); 21 Jul 2014 11:02:54 -0000 Received: from engine03-20433-10.icritical.com (HELO engine03-20433-10.icritical.com) (93.159.202.52) by server-6.tower-27.messagelabs.com with SMTP; 21 Jul 2014 11:02:54 -0000 Received: (qmail 8221 invoked from network); 21 Jul 2014 11:02:51 -0000 Received: from localhost (127.0.0.1) by engine03-20433-10.icritical.com with SMTP; 21 Jul 2014 11:02:51 -0000 Received: from engine03-20433-10.icritical.com ([127.0.0.1]) by localhost (engine03-20433-10.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 07178-06 for ; Mon, 21 Jul 2014 12:02:47 +0100 (BST) Received: (qmail 29839 invoked by uid 599); 21 Jul 2014 10:58:52 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-10.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 11:58:52 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1X9BJ0-0000Qi-6T for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:58:54 +0100 Message-ID: <53CCF26E.5090508@nottingham.ac.uk> Date: Mon, 21 Jul 2014 11:58:54 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" References: <53CCF164.8090306@nottingham.ac.uk> In-Reply-To: <53CCF164.8090306@nottingham.ac.uk> X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Subject: Re: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Just a fix in the example: [tap0; tap1; tap2] On 21/07/14 11:54, Masoud Koleini wrote: > Hi all, > > How a list of network devices with arbitrary length, for example [tap0, > tap1, tap2], that is defined in config, can be passed as a parameter to > the Main module in unikernel.ml? > > Thanks. > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 11:02:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 11:02:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BMv-00011l-R4; Mon, 21 Jul 2014 11:02:57 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9BMu-00011Z-AX for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:02:56 +0000 Received: from [193.109.254.147:37331] by server-8.bemta-14.messagelabs.com id 0E/B7-07074-F53FCC35; Mon, 21 Jul 2014 11:02:55 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-6.tower-27.messagelabs.com!1405940574!18623418!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13962 invoked from network); 21 Jul 2014 11:02:54 -0000 Received: from engine03-20433-10.icritical.com (HELO engine03-20433-10.icritical.com) (93.159.202.52) by server-6.tower-27.messagelabs.com with SMTP; 21 Jul 2014 11:02:54 -0000 Received: (qmail 8221 invoked from network); 21 Jul 2014 11:02:51 -0000 Received: from localhost (127.0.0.1) by engine03-20433-10.icritical.com with SMTP; 21 Jul 2014 11:02:51 -0000 Received: from engine03-20433-10.icritical.com ([127.0.0.1]) by localhost (engine03-20433-10.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 07178-06 for ; Mon, 21 Jul 2014 12:02:47 +0100 (BST) Received: (qmail 29839 invoked by uid 599); 21 Jul 2014 10:58:52 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-10.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 11:58:52 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1X9BJ0-0000Qi-6T for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 11:58:54 +0100 Message-ID: <53CCF26E.5090508@nottingham.ac.uk> Date: Mon, 21 Jul 2014 11:58:54 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" References: <53CCF164.8090306@nottingham.ac.uk> In-Reply-To: <53CCF164.8090306@nottingham.ac.uk> X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Subject: Re: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Just a fix in the example: [tap0; tap1; tap2] On 21/07/14 11:54, Masoud Koleini wrote: > Hi all, > > How a list of network devices with arbitrary length, for example [tap0, > tap1, tap2], that is defined in config, can be passed as a parameter to > the Main module in unikernel.ml? > > Thanks. > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 12:24:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 12:24:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Ce1-0007V0-Ku; Mon, 21 Jul 2014 12:24:41 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Ce0-0007UZ-68 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 12:24:40 +0000 Received: from [193.109.254.147:5107] by server-14.bemta-14.messagelabs.com id 37/56-02763-7860DC35; Mon, 21 Jul 2014 12:24:39 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1405945478!18617221!1 X-Originating-IP: [209.85.212.172] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27169 invoked from network); 21 Jul 2014 12:24:38 -0000 Received: from mail-wi0-f172.google.com (HELO mail-wi0-f172.google.com) (209.85.212.172) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 12:24:38 -0000 Received: by mail-wi0-f172.google.com with SMTP id n3so4019603wiv.17 for ; Mon, 21 Jul 2014 05:24:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=8ym8beyD1KCp/jfAUYe8BYZ4cidL8uy9ev6pTmBpN10=; b=OOHaVl/RlVE0FcbOKa3huQ3RSJ97yuReHb9OLnspzFJgSFBI769W6glkxl1RTuFEix ChrUiwhwN0BnZTs+T1+C13jMIo1uTNYbTi+XDjxXCnrZA99sdFpdPeepMWA9Qnr3RKtZ 8QOZ0MLZCZoPEXU+RPVHRmWjkkFHSAMMtg30zad/P1P6qtUu9bVatGvJwW6Zu9rlft4E GIfEiWeTOKG5zLMTOw3EgQQHF0gMw/SSpge7meAcQbdL1VzyOZ7B6+tD6PHtw5wdpbk7 9fd0Or5iwfyYgj6CZB8IzxW1Hl4FtZslRYq8VvIXrAF8pOPJz+s0huw10/4IGCgjCDC7 N9oQ== X-Received: by 10.194.200.3 with SMTP id jo3mr22717195wjc.110.1405945477604; Mon, 21 Jul 2014 05:24:37 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id u10sm37261471wjz.43.2014.07.21.05.24.35 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Jul 2014 05:24:35 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Thomas Gazagnaire In-Reply-To: <53CCF26E.5090508@nottingham.ac.uk> Date: Mon, 21 Jul 2014 13:24:32 +0100 Message-Id: <59DFD360-69DA-4A7C-A25E-3B20E4EDF0C1@gazagnaire.org> References: <53CCF164.8090306@nottingham.ac.uk> <53CCF26E.5090508@nottingham.ac.uk> To: Masoud Koleini X-Mailer: Apple Mail (2.1878.6) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> How a list of network devices with arbitrary length, for example [tap0, >> tap1, tap2], that is defined in config, can be passed as a parameter to >> the Main module in unikernel.ml? You cannot do this with the mirage tool unfortunately (you can only pass fixed-lenght lists, ie. tuples). I'd recommend generating the boilerplate code using tuples and and edit it manually. Would be good to have a combinator for lists as well I'm tracking this in https://github.com/mirage/mirage/issues/273 Best, Thomas >> >> Thanks. >> This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. >> >> This message has been checked for viruses but the contents of an attachment >> may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. >> >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 12:24:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 12:24:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Ce1-0007V0-Ku; Mon, 21 Jul 2014 12:24:41 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Ce0-0007UZ-68 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 12:24:40 +0000 Received: from [193.109.254.147:5107] by server-14.bemta-14.messagelabs.com id 37/56-02763-7860DC35; Mon, 21 Jul 2014 12:24:39 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1405945478!18617221!1 X-Originating-IP: [209.85.212.172] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27169 invoked from network); 21 Jul 2014 12:24:38 -0000 Received: from mail-wi0-f172.google.com (HELO mail-wi0-f172.google.com) (209.85.212.172) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 12:24:38 -0000 Received: by mail-wi0-f172.google.com with SMTP id n3so4019603wiv.17 for ; Mon, 21 Jul 2014 05:24:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=8ym8beyD1KCp/jfAUYe8BYZ4cidL8uy9ev6pTmBpN10=; b=OOHaVl/RlVE0FcbOKa3huQ3RSJ97yuReHb9OLnspzFJgSFBI769W6glkxl1RTuFEix ChrUiwhwN0BnZTs+T1+C13jMIo1uTNYbTi+XDjxXCnrZA99sdFpdPeepMWA9Qnr3RKtZ 8QOZ0MLZCZoPEXU+RPVHRmWjkkFHSAMMtg30zad/P1P6qtUu9bVatGvJwW6Zu9rlft4E GIfEiWeTOKG5zLMTOw3EgQQHF0gMw/SSpge7meAcQbdL1VzyOZ7B6+tD6PHtw5wdpbk7 9fd0Or5iwfyYgj6CZB8IzxW1Hl4FtZslRYq8VvIXrAF8pOPJz+s0huw10/4IGCgjCDC7 N9oQ== X-Received: by 10.194.200.3 with SMTP id jo3mr22717195wjc.110.1405945477604; Mon, 21 Jul 2014 05:24:37 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id u10sm37261471wjz.43.2014.07.21.05.24.35 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Jul 2014 05:24:35 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Thomas Gazagnaire In-Reply-To: <53CCF26E.5090508@nottingham.ac.uk> Date: Mon, 21 Jul 2014 13:24:32 +0100 Message-Id: <59DFD360-69DA-4A7C-A25E-3B20E4EDF0C1@gazagnaire.org> References: <53CCF164.8090306@nottingham.ac.uk> <53CCF26E.5090508@nottingham.ac.uk> To: Masoud Koleini X-Mailer: Apple Mail (2.1878.6) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Passing a list of devices to the Main module X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> How a list of network devices with arbitrary length, for example [tap0, >> tap1, tap2], that is defined in config, can be passed as a parameter to >> the Main module in unikernel.ml? You cannot do this with the mirage tool unfortunately (you can only pass fixed-lenght lists, ie. tuples). I'd recommend generating the boilerplate code using tuples and and edit it manually. Would be good to have a combinator for lists as well I'm tracking this in https://github.com/mirage/mirage/issues/273 Best, Thomas >> >> Thanks. >> This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. >> >> This message has been checked for viruses but the contents of an attachment >> may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. >> >> >> >> >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 13:13:06 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 13:13:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9DOr-0002gv-HB; Mon, 21 Jul 2014 13:13:05 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9DOq-0002g3-1w for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 13:13:04 +0000 Received: from [85.158.143.35:59277] by server-1.bemta-4.messagelabs.com id DB/54-30046-FD11DC35; Mon, 21 Jul 2014 13:13:03 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-21.messagelabs.com!1405948382!19032629!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8010 invoked from network); 21 Jul 2014 13:13:02 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-21.messagelabs.com with SMTP; 21 Jul 2014 13:13:02 -0000 Received: (qmail 2821 invoked by uid 634); 21 Jul 2014 13:13:01 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from c-98-210-179-111.hsd1.ca.comcast.net (HELO [192.168.1.129]) (98.210.179.111) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 21 Jul 2014 14:13:01 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 06:12:58 -0700 Message-Id: <26E76ECE-F622-41EB-B8FF-C2BD40ED342E@recoil.org> References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 01:43, Thomas Gazagnaire wrote: > Hi, > > For those who haven't seen it yet, we've published a blog post on Irmin last friday: > > http://openmirage.org/blog/introducing-irmin > > the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 > And a followup just went live by Dave on his use of Irmin in Xenstore (perhaps not the simplest one to start with, but hey, it's a pretty darn "real world" use case). Perhaps something more gentle like calendar sync next though :-) http://openmirage.org/blog/introducing-irmin-in-xenstore -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 13:13:06 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 13:13:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9DOr-0002gv-HB; Mon, 21 Jul 2014 13:13:05 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9DOq-0002g3-1w for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 13:13:04 +0000 Received: from [85.158.143.35:59277] by server-1.bemta-4.messagelabs.com id DB/54-30046-FD11DC35; Mon, 21 Jul 2014 13:13:03 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-21.messagelabs.com!1405948382!19032629!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8010 invoked from network); 21 Jul 2014 13:13:02 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-21.messagelabs.com with SMTP; 21 Jul 2014 13:13:02 -0000 Received: (qmail 2821 invoked by uid 634); 21 Jul 2014 13:13:01 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from c-98-210-179-111.hsd1.ca.comcast.net (HELO [192.168.1.129]) (98.210.179.111) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 21 Jul 2014 14:13:01 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 06:12:58 -0700 Message-Id: <26E76ECE-F622-41EB-B8FF-C2BD40ED342E@recoil.org> References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 01:43, Thomas Gazagnaire wrote: > Hi, > > For those who haven't seen it yet, we've published a blog post on Irmin last friday: > > http://openmirage.org/blog/introducing-irmin > > the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 > And a followup just went live by Dave on his use of Irmin in Xenstore (perhaps not the simplest one to start with, but hey, it's a pretty darn "real world" use case). Perhaps something more gentle like calendar sync next though :-) http://openmirage.org/blog/introducing-irmin-in-xenstore -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 13:41:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 13:41:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Dpv-0004IL-ER; Mon, 21 Jul 2014 13:41:03 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Dps-0004IF-6h for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 13:41:00 +0000 Received: from [193.109.254.147:10273] by server-2.bemta-14.messagelabs.com id D0/A1-09196-B681DC35; Mon, 21 Jul 2014 13:40:59 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1405950058!18674767!1 X-Originating-IP: [74.125.82.170] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23501 invoked from network); 21 Jul 2014 13:40:58 -0000 Received: from mail-we0-f170.google.com (HELO mail-we0-f170.google.com) (74.125.82.170) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 13:40:58 -0000 Received: by mail-we0-f170.google.com with SMTP id w62so7646075wes.29 for ; Mon, 21 Jul 2014 06:40:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=Jw0Ml0X4x1cRHBFQxVe0xvEmK1hLtDXtj6crLB4WrIA=; b=g6pRGY7/PtLg45KD9yOuM7uce/niDNfiXzmO1AGw8HGX3QnH72czDncUiCwLsD0GHV WnF7kjPWjJ6bmsfmodpUKurmD8GWpP0VwweAATlK8jLLBh6viRYFvo9LvZULLGTVKXkW mknS795wxyjF5liV/agTNd5fi/I1GmKxoxzGVIszcT5KzFsxIWRt6JZ1ko0TXDsW/ota PkZeYnDkhuHEn1MhKKEIOi1Jj43NnDt/QjopY7p2rIvbPxqMe1TMBebNz0J+18quaAgN 7FG207a9hzGh4Qz/2DUpwWVZTF+5HwDcheh5k9AoJF8HPXptOsAZncgj+YMg4YxOj+Zt V7aQ== X-Received: by 10.180.20.228 with SMTP id q4mr4543973wie.74.1405950058478; Mon, 21 Jul 2014 06:40:58 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id ub11sm42174877wib.1.2014.07.21.06.40.55 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Jul 2014 06:40:56 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Thomas Gazagnaire In-Reply-To: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 14:40:53 +0100 Message-Id: References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> To: mirageos-devel X-Mailer: Apple Mail (2.1878.6) Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org btw, following the HN post, the number of "stars" on Github for Irmin increased from ~40 to 114 (now half the number of mirage/mirage) On 21 Jul 2014, at 09:43, Thomas Gazagnaire wrote: > Hi, > > For those who haven't seen it yet, we've published a blog post on Irmin last friday: > > http://openmirage.org/blog/introducing-irmin > > the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 > > Best, > Thomas > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 13:41:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 13:41:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Dpv-0004IL-ER; Mon, 21 Jul 2014 13:41:03 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Dps-0004IF-6h for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 13:41:00 +0000 Received: from [193.109.254.147:10273] by server-2.bemta-14.messagelabs.com id D0/A1-09196-B681DC35; Mon, 21 Jul 2014 13:40:59 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1405950058!18674767!1 X-Originating-IP: [74.125.82.170] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23501 invoked from network); 21 Jul 2014 13:40:58 -0000 Received: from mail-we0-f170.google.com (HELO mail-we0-f170.google.com) (74.125.82.170) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 13:40:58 -0000 Received: by mail-we0-f170.google.com with SMTP id w62so7646075wes.29 for ; Mon, 21 Jul 2014 06:40:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:content-type:mime-version:subject:from:in-reply-to:date :content-transfer-encoding:message-id:references:to; bh=Jw0Ml0X4x1cRHBFQxVe0xvEmK1hLtDXtj6crLB4WrIA=; b=g6pRGY7/PtLg45KD9yOuM7uce/niDNfiXzmO1AGw8HGX3QnH72czDncUiCwLsD0GHV WnF7kjPWjJ6bmsfmodpUKurmD8GWpP0VwweAATlK8jLLBh6viRYFvo9LvZULLGTVKXkW mknS795wxyjF5liV/agTNd5fi/I1GmKxoxzGVIszcT5KzFsxIWRt6JZ1ko0TXDsW/ota PkZeYnDkhuHEn1MhKKEIOi1Jj43NnDt/QjopY7p2rIvbPxqMe1TMBebNz0J+18quaAgN 7FG207a9hzGh4Qz/2DUpwWVZTF+5HwDcheh5k9AoJF8HPXptOsAZncgj+YMg4YxOj+Zt V7aQ== X-Received: by 10.180.20.228 with SMTP id q4mr4543973wie.74.1405950058478; Mon, 21 Jul 2014 06:40:58 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id ub11sm42174877wib.1.2014.07.21.06.40.55 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 21 Jul 2014 06:40:56 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Thomas Gazagnaire In-Reply-To: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 14:40:53 +0100 Message-Id: References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> To: mirageos-devel X-Mailer: Apple Mail (2.1878.6) Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org btw, following the HN post, the number of "stars" on Github for Irmin increased from ~40 to 114 (now half the number of mirage/mirage) On 21 Jul 2014, at 09:43, Thomas Gazagnaire wrote: > Hi, > > For those who haven't seen it yet, we've published a blog post on Irmin last friday: > > http://openmirage.org/blog/introducing-irmin > > the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 > > Best, > Thomas > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:15:57 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:15:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9ENf-0005i8-RK; Mon, 21 Jul 2014 14:15:55 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9ENe-0005hy-Ln for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 14:15:54 +0000 Received: from [85.158.139.211:16815] by server-9.bemta-5.messagelabs.com id F8/18-26293-A902DC35; Mon, 21 Jul 2014 14:15:54 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1405952113!16710935!1 X-Originating-IP: [209.85.220.48] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7331 invoked from network); 21 Jul 2014 14:15:15 -0000 Received: from mail-pa0-f48.google.com (HELO mail-pa0-f48.google.com) (209.85.220.48) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 14:15:15 -0000 Received: by mail-pa0-f48.google.com with SMTP id et14so9808840pad.7 for ; Mon, 21 Jul 2014 07:15:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=7FAOtmr8+r928YHkEP9OeC+atz8KlNse4bEX5z1u30s=; b=qUPuGxF7WnK38UHt9ba+KcpA7H8H6/E+ZfRNFR0y/1+531JFIJe0QhO57ub8fqBj3G 123u7dy3IDPI9GGlixLYWpY1Hw2qsA+0lqwUgsY3S3jrvdWBuWg2ucn/UNmWNr42uxNW pteTQCFjd6bPcLSyWLL6mZ9Vf5XJg+zTAwR2+MeoHz/AoSaRkwLaH9eFZI5b6wCrt/62 NSRNvGu9eDhlxJCi1mwgGkFVGsEMbvx+dS40Jujk4vKxTM/d1xFUe9oqsUS00w2l18c+ Qb4SUH3vgkXMtZev/FDGKJfI8XoumpZv1E57k/DN63DtwgYwRxrNgmYW6aQ3dRS0vYmS 355Q== MIME-Version: 1.0 X-Received: by 10.66.250.161 with SMTP id zd1mr25155788pac.61.1405952113048; Mon, 21 Jul 2014 07:15:13 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Mon, 21 Jul 2014 07:15:12 -0700 (PDT) In-Reply-To: References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 15:15:12 +0100 Message-ID: From: David Scott To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6987595068435218555==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6987595068435218555== Content-Type: multipart/alternative; boundary=047d7b15ac9f45056c04feb4bce7 --047d7b15ac9f45056c04feb4bce7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Mirage: an Irmin Project=E2=84=A2 On Mon, Jul 21, 2014 at 2:40 PM, Thomas Gazagnaire wrote: > btw, following the HN post, the number of "stars" on Github for Irmin > increased from ~40 to 114 (now half the number of mirage/mirage) > > On 21 Jul 2014, at 09:43, Thomas Gazagnaire wrote= : > > > Hi, > > > > For those who haven't seen it yet, we've published a blog post on Irmin > last friday: > > > > http://openmirage.org/blog/introducing-irmin > > > > the thread on HN with interesting comments: > https://news.ycombinator.com/item?id=3D8053687 > > > > Best, > > Thomas > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --=20 Dave Scott --047d7b15ac9f45056c04feb4bce7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Mirage: an Irmin Project=E2=84=A2


On Mon, Jul 21, 2014 at 2:40 PM,= Thomas Gazagnaire <thomas@gazagnaire.org> wrote:
btw, following the HN post, the number of &q= uot;stars" on Github for Irmin increased from ~40 to 114 (now half the= number of mirage/mirage)

On 21 Jul 2014, at 09:43, Thomas Gazagnaire <thomas@gazagnaire.org> wrote:

> Hi,
>
> For those who haven't seen it yet, we've published a blog post= on Irmin last friday:
>
> http://openmirage.org/blog/introducing-irmin
>
> the thread on HN with interesting comments: https://news.ycombinator= .com/item?id=3D8053687
>
> Best,
> Thomas
>


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--047d7b15ac9f45056c04feb4bce7-- --===============6987595068435218555== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6987595068435218555==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:15:57 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:15:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9ENf-0005i8-RK; Mon, 21 Jul 2014 14:15:55 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9ENe-0005hy-Ln for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 14:15:54 +0000 Received: from [85.158.139.211:16815] by server-9.bemta-5.messagelabs.com id F8/18-26293-A902DC35; Mon, 21 Jul 2014 14:15:54 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1405952113!16710935!1 X-Originating-IP: [209.85.220.48] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7331 invoked from network); 21 Jul 2014 14:15:15 -0000 Received: from mail-pa0-f48.google.com (HELO mail-pa0-f48.google.com) (209.85.220.48) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 14:15:15 -0000 Received: by mail-pa0-f48.google.com with SMTP id et14so9808840pad.7 for ; Mon, 21 Jul 2014 07:15:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=7FAOtmr8+r928YHkEP9OeC+atz8KlNse4bEX5z1u30s=; b=qUPuGxF7WnK38UHt9ba+KcpA7H8H6/E+ZfRNFR0y/1+531JFIJe0QhO57ub8fqBj3G 123u7dy3IDPI9GGlixLYWpY1Hw2qsA+0lqwUgsY3S3jrvdWBuWg2ucn/UNmWNr42uxNW pteTQCFjd6bPcLSyWLL6mZ9Vf5XJg+zTAwR2+MeoHz/AoSaRkwLaH9eFZI5b6wCrt/62 NSRNvGu9eDhlxJCi1mwgGkFVGsEMbvx+dS40Jujk4vKxTM/d1xFUe9oqsUS00w2l18c+ Qb4SUH3vgkXMtZev/FDGKJfI8XoumpZv1E57k/DN63DtwgYwRxrNgmYW6aQ3dRS0vYmS 355Q== MIME-Version: 1.0 X-Received: by 10.66.250.161 with SMTP id zd1mr25155788pac.61.1405952113048; Mon, 21 Jul 2014 07:15:13 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Mon, 21 Jul 2014 07:15:12 -0700 (PDT) In-Reply-To: References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> Date: Mon, 21 Jul 2014 15:15:12 +0100 Message-ID: From: David Scott To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6987595068435218555==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6987595068435218555== Content-Type: multipart/alternative; boundary=047d7b15ac9f45056c04feb4bce7 --047d7b15ac9f45056c04feb4bce7 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Mirage: an Irmin Project=E2=84=A2 On Mon, Jul 21, 2014 at 2:40 PM, Thomas Gazagnaire wrote: > btw, following the HN post, the number of "stars" on Github for Irmin > increased from ~40 to 114 (now half the number of mirage/mirage) > > On 21 Jul 2014, at 09:43, Thomas Gazagnaire wrote= : > > > Hi, > > > > For those who haven't seen it yet, we've published a blog post on Irmin > last friday: > > > > http://openmirage.org/blog/introducing-irmin > > > > the thread on HN with interesting comments: > https://news.ycombinator.com/item?id=3D8053687 > > > > Best, > > Thomas > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > --=20 Dave Scott --047d7b15ac9f45056c04feb4bce7 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Mirage: an Irmin Project=E2=84=A2


On Mon, Jul 21, 2014 at 2:40 PM,= Thomas Gazagnaire <thomas@gazagnaire.org> wrote:
btw, following the HN post, the number of &q= uot;stars" on Github for Irmin increased from ~40 to 114 (now half the= number of mirage/mirage)

On 21 Jul 2014, at 09:43, Thomas Gazagnaire <thomas@gazagnaire.org> wrote:

> Hi,
>
> For those who haven't seen it yet, we've published a blog post= on Irmin last friday:
>
> http://openmirage.org/blog/introducing-irmin
>
> the thread on HN with interesting comments: https://news.ycombinator= .com/item?id=3D8053687
>
> Best,
> Thomas
>


_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--047d7b15ac9f45056c04feb4bce7-- --===============6987595068435218555== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6987595068435218555==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:23:26 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:23:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EUv-0006PX-GZ; Mon, 21 Jul 2014 14:23:25 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EUu-0006PQ-R9 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 14:23:24 +0000 Received: from [193.109.254.147:22176] by server-7.bemta-14.messagelabs.com id CC/3A-13362-C522DC35; Mon, 21 Jul 2014 14:23:24 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1405952603!18622132!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27040 invoked from network); 21 Jul 2014 14:23:23 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-10.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 21 Jul 2014 14:23:23 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from gw-eduroam.dar.cam.ac.uk ([131.111.194.10]:65373 helo=[192.168.99.208]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X9EUr-0002MP-sZ (Exim 4.82_3-c0e5623) (return-path ); Mon, 21 Jul 2014 15:23:21 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: Date: Mon, 21 Jul 2014 15:23:21 +0100 Message-Id: <0983CCDB-9489-4C04-932A-F5382489F2A4@cam.ac.uk> References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> To: David Scott X-Mailer: Apple Mail (2.1510) Cc: Thomas Gazagnaire , mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org It's all about the delicious and healthy MISO :-P On 21 Jul 2014, at 15:15, David Scott wrote: > Mirage: an Irmin Project=99 > = > = > On Mon, Jul 21, 2014 at 2:40 PM, Thomas Gazagnaire wrote: > btw, following the HN post, the number of "stars" on Github for Irmin inc= reased from ~40 to 114 (now half the number of mirage/mirage) > = > On 21 Jul 2014, at 09:43, Thomas Gazagnaire wrote: > = > > Hi, > > > > For those who haven't seen it yet, we've published a blog post on Irmin= last friday: > > > > http://openmirage.org/blog/introducing-irmin > > > > the thread on HN with interesting comments: https://news.ycombinator.co= m/item?id=3D8053687 > > > > Best, > > Thomas > > > = > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > = > = > = > -- = > Dave Scott > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:23:26 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:23:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EUv-0006PX-GZ; Mon, 21 Jul 2014 14:23:25 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EUu-0006PQ-R9 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 14:23:24 +0000 Received: from [193.109.254.147:22176] by server-7.bemta-14.messagelabs.com id CC/3A-13362-C522DC35; Mon, 21 Jul 2014 14:23:24 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1405952603!18622132!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27040 invoked from network); 21 Jul 2014 14:23:23 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-10.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 21 Jul 2014 14:23:23 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from gw-eduroam.dar.cam.ac.uk ([131.111.194.10]:65373 helo=[192.168.99.208]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X9EUr-0002MP-sZ (Exim 4.82_3-c0e5623) (return-path ); Mon, 21 Jul 2014 15:23:21 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: Date: Mon, 21 Jul 2014 15:23:21 +0100 Message-Id: <0983CCDB-9489-4C04-932A-F5382489F2A4@cam.ac.uk> References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> To: David Scott X-Mailer: Apple Mail (2.1510) Cc: Thomas Gazagnaire , mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org It's all about the delicious and healthy MISO :-P On 21 Jul 2014, at 15:15, David Scott wrote: > Mirage: an Irmin Project=99 > = > = > On Mon, Jul 21, 2014 at 2:40 PM, Thomas Gazagnaire wrote: > btw, following the HN post, the number of "stars" on Github for Irmin inc= reased from ~40 to 114 (now half the number of mirage/mirage) > = > On 21 Jul 2014, at 09:43, Thomas Gazagnaire wrote: > = > > Hi, > > > > For those who haven't seen it yet, we've published a blog post on Irmin= last friday: > > > > http://openmirage.org/blog/introducing-irmin > > > > the thread on HN with interesting comments: https://news.ycombinator.co= m/item?id=3D8053687 > > > > Best, > > Thomas > > > = > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > = > = > = > -- = > Dave Scott > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:45:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:45:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EqM-0007NQ-R7; 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Mon, 21 Jul 2014 07:45:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; bh=xeSV8AHSoOBdDCDYfI8F/snIR4fLH+Df13hrm6u5I90=; b=zl1dpPZs6kuxOcNU+WciUTpZQUmfbAwZJ5x04Qe8CqTi4IylFTUKe1dT0/uWvLi8eY r3DMMsNSFAYFbd4ZVlZa3E9h600RivJk/2hqa5zlXSfAF5NjJSSAgkyhciKdKODUHBXt qxy9DBNq6bn70KgZKMTzWSDN0ZmoZKncS6tY6jojXhMuLc1JFqAL2hHEV+wJwnx3+x/z cZWOS+2ciYGzMywO7K+qvqAaFcVjORJiDhAQD2cf2sy4eaVb4FsCEDo4cKDzOJAnLj6O 26OuTZp/UAr+ahrFiYy3lEUiblt9QKOEeVKpbnWQo+Gmfzz0FypjdXwLgMnwdIUfFIqx pKaQ== X-Received: by 10.180.98.130 with SMTP id ei2mr5151019wib.24.1405953931638; Mon, 21 Jul 2014 07:45:31 -0700 (PDT) Received: from localhost ([2a01:7e00::f03c:91ff:fe70:2696]) by mx.google.com with ESMTPSA id au7sm38109009wjc.41.2014.07.21.07.45.30 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Jul 2014 07:45:30 -0700 (PDT) From: Malcolm Matalka To: Anil Madhavapeddy References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> <26E76ECE-F622-41EB-B8FF-C2BD40ED342E@recoil.org> Date: Mon, 21 Jul 2014 14:45:29 +0000 In-Reply-To: <26E76ECE-F622-41EB-B8FF-C2BD40ED342E@recoil.org> (Anil Madhavapeddy's message of "Mon, 21 Jul 2014 06:12:58 -0700") Message-ID: <871ttelqie.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Cc: Thomas Gazagnaire , mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org In the blog post it says merge's are always done as a 3-way merge. Does that mean it's not possible to create the same key concurrently, producing a situation where you have conflicting values but no 'old' value? Anil Madhavapeddy writes: > On 21 Jul 2014, at 01:43, Thomas Gazagnaire wrote: >> Hi, >> >> For those who haven't seen it yet, we've published a blog post on Irmin last friday: >> >> http://openmirage.org/blog/introducing-irmin >> >> the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 >> > > And a followup just went live by Dave on his use of Irmin in Xenstore (perhaps > not the simplest one to start with, but hey, it's a pretty darn "real world" use > case). Perhaps something more gentle like calendar sync next though :-) > > http://openmirage.org/blog/introducing-irmin-in-xenstore > > -anil > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:45:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:45:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EqM-0007NQ-R7; Mon, 21 Jul 2014 14:45:34 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EqL-0007NK-TS for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 14:45:34 +0000 Received: from [193.109.254.147:60444] by server-14.bemta-14.messagelabs.com id 12/6D-02763-D872DC35; Mon, 21 Jul 2014 14:45:33 +0000 X-Env-Sender: mmatalka@gmail.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1405953932!13266391!1 X-Originating-IP: [74.125.82.181] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21955 invoked from network); 21 Jul 2014 14:45:32 -0000 Received: from mail-we0-f181.google.com (HELO mail-we0-f181.google.com) (74.125.82.181) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 14:45:32 -0000 Received: by mail-we0-f181.google.com with SMTP id k48so6590598wev.12 for ; Mon, 21 Jul 2014 07:45:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-type; bh=xeSV8AHSoOBdDCDYfI8F/snIR4fLH+Df13hrm6u5I90=; b=zl1dpPZs6kuxOcNU+WciUTpZQUmfbAwZJ5x04Qe8CqTi4IylFTUKe1dT0/uWvLi8eY r3DMMsNSFAYFbd4ZVlZa3E9h600RivJk/2hqa5zlXSfAF5NjJSSAgkyhciKdKODUHBXt qxy9DBNq6bn70KgZKMTzWSDN0ZmoZKncS6tY6jojXhMuLc1JFqAL2hHEV+wJwnx3+x/z cZWOS+2ciYGzMywO7K+qvqAaFcVjORJiDhAQD2cf2sy4eaVb4FsCEDo4cKDzOJAnLj6O 26OuTZp/UAr+ahrFiYy3lEUiblt9QKOEeVKpbnWQo+Gmfzz0FypjdXwLgMnwdIUfFIqx pKaQ== X-Received: by 10.180.98.130 with SMTP id ei2mr5151019wib.24.1405953931638; Mon, 21 Jul 2014 07:45:31 -0700 (PDT) Received: from localhost ([2a01:7e00::f03c:91ff:fe70:2696]) by mx.google.com with ESMTPSA id au7sm38109009wjc.41.2014.07.21.07.45.30 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Jul 2014 07:45:30 -0700 (PDT) From: Malcolm Matalka To: Anil Madhavapeddy References: <778A6C1B-950F-40AF-B7DF-88FE1D480702@gazagnaire.org> <26E76ECE-F622-41EB-B8FF-C2BD40ED342E@recoil.org> Date: Mon, 21 Jul 2014 14:45:29 +0000 In-Reply-To: <26E76ECE-F622-41EB-B8FF-C2BD40ED342E@recoil.org> (Anil Madhavapeddy's message of "Mon, 21 Jul 2014 06:12:58 -0700") Message-ID: <871ttelqie.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Cc: Thomas Gazagnaire , mirageos-devel Subject: Re: [MirageOS-devel] blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org In the blog post it says merge's are always done as a 3-way merge. Does that mean it's not possible to create the same key concurrently, producing a situation where you have conflicting values but no 'old' value? Anil Madhavapeddy writes: > On 21 Jul 2014, at 01:43, Thomas Gazagnaire wrote: >> Hi, >> >> For those who haven't seen it yet, we've published a blog post on Irmin last friday: >> >> http://openmirage.org/blog/introducing-irmin >> >> the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 >> > > And a followup just went live by Dave on his use of Irmin in Xenstore (perhaps > not the simplest one to start with, but hey, it's a pretty darn "real world" use > case). Perhaps something more gentle like calendar sync next though :-) > > http://openmirage.org/blog/introducing-irmin-in-xenstore > > -anil > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:49:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:49:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EuU-0007el-9Y; Mon, 21 Jul 2014 14:49:50 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EuS-0007ba-Px for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 14:49:48 +0000 Received: from [85.158.139.211:27029] by server-17.bemta-5.messagelabs.com id 50/0C-08085-C882DC35; Mon, 21 Jul 2014 14:49:48 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-3.tower-206.messagelabs.com!1405954187!9136069!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18852 invoked from network); 21 Jul 2014 14:49:47 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-3.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 21 Jul 2014 14:49:47 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from gw-eduroam.dar.cam.ac.uk ([131.111.194.10]:49245 helo=[192.168.99.208]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X9EuR-0002Ak-q5 (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Mon, 21 Jul 2014 15:49:47 +0100 From: Amir Chaudhry Message-Id: Date: Mon, 21 Jul 2014 15:49:46 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) X-Mailer: Apple Mail (2.1510) Subject: [MirageOS-devel] Pinning and reordering repos on the Mirage GitHub org X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org FYI - I'd like to arrange the repos on the Mirage org so that the `mirage` repo is always at the top. I asked GitHub support about this and they said they'd add it to their feature request list for consideration (message below). This email is just to let you know. Best wishes, Amir > From: "James Dennes (GitHub Staff)" > Subject: Re: Can we 'pin' and reorder repositories to show at the top? > Date: 21 July 2014 15:38:11 BST > To: Amir Chaudhry > > Hi Amir, > >> I want to highlight specific/important repos in my org by pinning and ordering them at the top. Can I do this? If not now, when? > > Thanks for the suggestion. This functionality isn't available, however I'll add your request to our internal Feature Request List for consideration. > > We can't promise if we may add something like this, however your feedback is definitely appreciated. > > Thanks, > James _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 14:49:50 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 14:49:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EuU-0007el-9Y; Mon, 21 Jul 2014 14:49:50 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9EuS-0007ba-Px for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 14:49:48 +0000 Received: from [85.158.139.211:27029] by server-17.bemta-5.messagelabs.com id 50/0C-08085-C882DC35; Mon, 21 Jul 2014 14:49:48 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-3.tower-206.messagelabs.com!1405954187!9136069!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18852 invoked from network); 21 Jul 2014 14:49:47 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-3.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 21 Jul 2014 14:49:47 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from gw-eduroam.dar.cam.ac.uk ([131.111.194.10]:49245 helo=[192.168.99.208]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X9EuR-0002Ak-q5 (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Mon, 21 Jul 2014 15:49:47 +0100 From: Amir Chaudhry Message-Id: Date: Mon, 21 Jul 2014 15:49:46 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) X-Mailer: Apple Mail (2.1510) Subject: [MirageOS-devel] Pinning and reordering repos on the Mirage GitHub org X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org FYI - I'd like to arrange the repos on the Mirage org so that the `mirage` repo is always at the top. I asked GitHub support about this and they said they'd add it to their feature request list for consideration (message below). This email is just to let you know. Best wishes, Amir > From: "James Dennes (GitHub Staff)" > Subject: Re: Can we 'pin' and reorder repositories to show at the top? > Date: 21 July 2014 15:38:11 BST > To: Amir Chaudhry > > Hi Amir, > >> I want to highlight specific/important repos in my org by pinning and ordering them at the top. Can I do this? If not now, when? > > Thanks for the suggestion. This functionality isn't available, however I'll add your request to our internal Feature Request List for consideration. > > We can't promise if we may add something like this, however your feedback is definitely appreciated. > > Thanks, > James _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 17:00:41 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 17:00:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Gx1-0003d4-LU; Mon, 21 Jul 2014 17:00:35 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Gx0-0003cz-72 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 17:00:34 +0000 Received: from [85.158.137.68:52255] by server-14.bemta-3.messagelabs.com id F4/85-09441-1374DC35; Mon, 21 Jul 2014 17:00:33 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-4.tower-31.messagelabs.com!1405962032!17107678!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19310 invoked from network); 21 Jul 2014 17:00:32 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-4.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 21 Jul 2014 17:00:32 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from gw-eduroam.dar.cam.ac.uk ([131.111.194.10]:50143 helo=[192.168.99.208]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X9Gwy-0003Ay-qa (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Mon, 21 Jul 2014 18:00:32 +0100 From: Amir Chaudhry Message-Id: <4CD74B39-69F5-4E1C-AC92-595311A50D5E@cam.ac.uk> Date: Mon, 21 Jul 2014 18:00:31 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) X-Mailer: Apple Mail (2.1510) Subject: [MirageOS-devel] Mirage fortnightly call, Wednesday 23rd at 4pm BST (== GMT + 1) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Dear all, The Mirage call will take place on *Wednesday 23rd* at 4pm BST (== GMT + 1). Note the change of day for this week! If you have points you'd like to discuss, please do add them to the agenda at https://github.com/mirage/mirage-www/wiki/Call-Agenda - I'll structure them shortly before the call. 1. Please join my meeting. https://www1.gotomeeting.com/join/591890401 Note the dial-in numbers seem to have changed. The new ones are visible if you join the meeting online but I believe the US one is: +1 (213) 493-0008 Thanks, Amir _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 17:00:41 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 17:00:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Gx1-0003d4-LU; Mon, 21 Jul 2014 17:00:35 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Gx0-0003cz-72 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 17:00:34 +0000 Received: from [85.158.137.68:52255] by server-14.bemta-3.messagelabs.com id F4/85-09441-1374DC35; Mon, 21 Jul 2014 17:00:33 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-4.tower-31.messagelabs.com!1405962032!17107678!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19310 invoked from network); 21 Jul 2014 17:00:32 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-4.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 21 Jul 2014 17:00:32 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from gw-eduroam.dar.cam.ac.uk ([131.111.194.10]:50143 helo=[192.168.99.208]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1X9Gwy-0003Ay-qa (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Mon, 21 Jul 2014 18:00:32 +0100 From: Amir Chaudhry Message-Id: <4CD74B39-69F5-4E1C-AC92-595311A50D5E@cam.ac.uk> Date: Mon, 21 Jul 2014 18:00:31 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) X-Mailer: Apple Mail (2.1510) Subject: [MirageOS-devel] Mirage fortnightly call, Wednesday 23rd at 4pm BST (== GMT + 1) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Dear all, The Mirage call will take place on *Wednesday 23rd* at 4pm BST (== GMT + 1). Note the change of day for this week! If you have points you'd like to discuss, please do add them to the agenda at https://github.com/mirage/mirage-www/wiki/Call-Agenda - I'll structure them shortly before the call. 1. Please join my meeting. https://www1.gotomeeting.com/join/591890401 Note the dial-in numbers seem to have changed. The new ones are visible if you join the meeting online but I believe the US one is: +1 (213) 493-0008 Thanks, Amir _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 19:57:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 19:57:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Jhs-0005YP-GB; Mon, 21 Jul 2014 19:57:08 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Jhr-0005YH-5D for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 19:57:07 +0000 Received: from [85.158.137.68:26773] by server-9.bemta-3.messagelabs.com id 93/CD-30790-2907DC35; Mon, 21 Jul 2014 19:57:06 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-5.tower-31.messagelabs.com!1405972625!17186606!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22556 invoked from network); 21 Jul 2014 19:57:05 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-5.tower-31.messagelabs.com with SMTP; 21 Jul 2014 19:57:05 -0000 Received: (qmail 6164 invoked from network); 21 Jul 2014 19:57:01 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 21 Jul 2014 19:57:01 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 02669-05 for ; Mon, 21 Jul 2014 20:56:54 +0100 (BST) Received: (qmail 6096 invoked by uid 599); 21 Jul 2014 19:56:54 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 20:56:54 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X9Jhi-0002Sw-EA; Mon, 21 Jul 2014 20:56:58 +0100 From: Richard Mortier To: Thomas Leonard , "mirageos-devel@lists.xenproject.org" Date: Mon, 21 Jul 2014 20:56:57 +0100 Thread-Topic: wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lHe12RH2fyf+cToiZN8zOqPN7WA== Message-ID: <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6704306254280403394==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6704306254280403394== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii [ context for list: thomas' observation of failed download, and lots of = retransmissions generally, while bringing up mirage-www on ARM ] On 21 Jul 2014, at 09:27, Thomas Leonard wrote: > On 21 July 2014 17:08, Richard Mortier = wrote: >=20 >> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>=20 >>> Here's the wireshark capture of a failed download. It does indeed = say >>> the TCP checksum is wrong. Any idea what's going on? >>>=20 >>> Note that on ARM it uses a different function to calculate this = (which >>> I took from mirage-unix). It's in the #else block here: >>>=20 >>> = https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stubs.c >>=20 >> ack; will take a look after breakfast :) >>=20 >> just to be clear -- the ARM version is using the code from L247 = marked "generic implementation"? >=20 > Yes. The x86 version crashes on ARM because the 64-bit values aren't = aligned. >=20 >> two immediate questions -- is the checksum field definitely treated = as all zeros in the computation across the header? and is the segment = padded with zeros to be N*16 bits for the purposes of the computation = (but the pad not transmitted)? >=20 > No idea. I haven't changed any code around there. this is weird-- wireshark says that the first transmission of that = segment (frame#13) has an invalid checksum while the retransmission = (#17) has a valid checksum. but the two checksums are the same! however = #13 appears to have almost no valid data in it -- after the first 74 = bytes (which are the same in both #13 and #17), the payload in #13 is = zeroed out. so i guess the cstruct buffer is being recycled too soon (after the = checksum calculation but before the data is actually transmitted) or = something? =20 anil, balraj (or anyone else!)-- has that part of the stack been changed = recently? --=20 Cheers, R. --Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTzW1wAAoJEOLF27JWwSg3wPUQAIQMuUOnDt3E/YypR3Ph53eD 683pfsCDKNQU/Sybr5NR4YhiPWdMn5kOYc/Mx35MxmnmxW5Pv0pBCO8u3V7LnsPV l7LawjWRKXsIj21NDv8LzTibzjagbaEV6WVFQ+K6h6uSl6H72u3fWH4IypqIFOVm BosQvGtitl5Pw5wQ9GfUs+nwjDNTzvJGlFob6r9Ot7Qkzd0HLSoy9k1prrX0KDO7 8GDkquJ7JoWad8VR+FYuxn03Y80wWLGYebvdubi7B9WemcBHsLfCIqSnnoZ8Dypm y8PHOGuZ95jvJNrJI6MmZ4S7yMUYrCSCnxpgO3lnWycjUichUuWw0GqEbfFgD8aX /Yi0hu7W19ACWgElqCo+at9Qc1vXvG1lL8FzfVDSPrrN01eA7+txO/HybBvlF36T SRXAUZ9eh9jmgw7nmWri5827Fr6WEJ1FaE6XnVAMqr3pHG5WlC9faGVybjxLM8rZ +s+BpHe5w0tevp6uDnsFbQFsSE/xLgnI8J9Y43jiu+pMmiT8Uy0DKrr2gsQ1rpa/ Pb99zmqgGLMjIMzm0lfeY8bzrDYkqKRoPLZvJaauNYoetrpFhcZvFhq1ti+Saqxw UQy8hjyAmEUVGSFlt4LAE2QQjFOwIZPm3S/NJoQoYr3dKMXjWlMfKclk4m8oJJeR nDQy+pnm+UUBZ3EsoGGX =w6iw -----END PGP SIGNATURE----- --Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B-- --===============6704306254280403394== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6704306254280403394==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 19:57:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 19:57:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Jhs-0005YP-GB; Mon, 21 Jul 2014 19:57:08 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Jhr-0005YH-5D for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 19:57:07 +0000 Received: from [85.158.137.68:26773] by server-9.bemta-3.messagelabs.com id 93/CD-30790-2907DC35; Mon, 21 Jul 2014 19:57:06 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-5.tower-31.messagelabs.com!1405972625!17186606!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22556 invoked from network); 21 Jul 2014 19:57:05 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-5.tower-31.messagelabs.com with SMTP; 21 Jul 2014 19:57:05 -0000 Received: (qmail 6164 invoked from network); 21 Jul 2014 19:57:01 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 21 Jul 2014 19:57:01 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 02669-05 for ; Mon, 21 Jul 2014 20:56:54 +0100 (BST) Received: (qmail 6096 invoked by uid 599); 21 Jul 2014 19:56:54 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 20:56:54 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X9Jhi-0002Sw-EA; Mon, 21 Jul 2014 20:56:58 +0100 From: Richard Mortier To: Thomas Leonard , "mirageos-devel@lists.xenproject.org" Date: Mon, 21 Jul 2014 20:56:57 +0100 Thread-Topic: wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lHe12RH2fyf+cToiZN8zOqPN7WA== Message-ID: <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6704306254280403394==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6704306254280403394== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii [ context for list: thomas' observation of failed download, and lots of = retransmissions generally, while bringing up mirage-www on ARM ] On 21 Jul 2014, at 09:27, Thomas Leonard wrote: > On 21 July 2014 17:08, Richard Mortier = wrote: >=20 >> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>=20 >>> Here's the wireshark capture of a failed download. It does indeed = say >>> the TCP checksum is wrong. Any idea what's going on? >>>=20 >>> Note that on ARM it uses a different function to calculate this = (which >>> I took from mirage-unix). It's in the #else block here: >>>=20 >>> = https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stubs.c >>=20 >> ack; will take a look after breakfast :) >>=20 >> just to be clear -- the ARM version is using the code from L247 = marked "generic implementation"? >=20 > Yes. The x86 version crashes on ARM because the 64-bit values aren't = aligned. >=20 >> two immediate questions -- is the checksum field definitely treated = as all zeros in the computation across the header? and is the segment = padded with zeros to be N*16 bits for the purposes of the computation = (but the pad not transmitted)? >=20 > No idea. I haven't changed any code around there. this is weird-- wireshark says that the first transmission of that = segment (frame#13) has an invalid checksum while the retransmission = (#17) has a valid checksum. but the two checksums are the same! however = #13 appears to have almost no valid data in it -- after the first 74 = bytes (which are the same in both #13 and #17), the payload in #13 is = zeroed out. so i guess the cstruct buffer is being recycled too soon (after the = checksum calculation but before the data is actually transmitted) or = something? =20 anil, balraj (or anyone else!)-- has that part of the stack been changed = recently? --=20 Cheers, R. --Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTzW1wAAoJEOLF27JWwSg3wPUQAIQMuUOnDt3E/YypR3Ph53eD 683pfsCDKNQU/Sybr5NR4YhiPWdMn5kOYc/Mx35MxmnmxW5Pv0pBCO8u3V7LnsPV l7LawjWRKXsIj21NDv8LzTibzjagbaEV6WVFQ+K6h6uSl6H72u3fWH4IypqIFOVm BosQvGtitl5Pw5wQ9GfUs+nwjDNTzvJGlFob6r9Ot7Qkzd0HLSoy9k1prrX0KDO7 8GDkquJ7JoWad8VR+FYuxn03Y80wWLGYebvdubi7B9WemcBHsLfCIqSnnoZ8Dypm y8PHOGuZ95jvJNrJI6MmZ4S7yMUYrCSCnxpgO3lnWycjUichUuWw0GqEbfFgD8aX /Yi0hu7W19ACWgElqCo+at9Qc1vXvG1lL8FzfVDSPrrN01eA7+txO/HybBvlF36T SRXAUZ9eh9jmgw7nmWri5827Fr6WEJ1FaE6XnVAMqr3pHG5WlC9faGVybjxLM8rZ +s+BpHe5w0tevp6uDnsFbQFsSE/xLgnI8J9Y43jiu+pMmiT8Uy0DKrr2gsQ1rpa/ Pb99zmqgGLMjIMzm0lfeY8bzrDYkqKRoPLZvJaauNYoetrpFhcZvFhq1ti+Saqxw UQy8hjyAmEUVGSFlt4LAE2QQjFOwIZPm3S/NJoQoYr3dKMXjWlMfKclk4m8oJJeR nDQy+pnm+UUBZ3EsoGGX =w6iw -----END PGP SIGNATURE----- --Apple-Mail=_939CABCA-02B7-4B57-AD47-A9544CF49B4B-- --===============6704306254280403394== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6704306254280403394==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 19:57:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 19:57:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JiL-0005Ze-Jg; Mon, 21 Jul 2014 19:57:37 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JiK-0005ZU-AQ for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 19:57:36 +0000 Received: from [85.158.139.211:25763] by server-16.bemta-5.messagelabs.com id 80/07-31885-FA07DC35; Mon, 21 Jul 2014 19:57:35 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-12.tower-206.messagelabs.com!1405972654!16729785!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17207 invoked from network); 21 Jul 2014 19:57:34 -0000 Received: from engine03-20433-10.icritical.com (HELO engine03-20433-10.icritical.com) (93.159.202.52) by server-12.tower-206.messagelabs.com with SMTP; 21 Jul 2014 19:57:34 -0000 Received: (qmail 15268 invoked from network); 21 Jul 2014 19:57:34 -0000 Received: from localhost (127.0.0.1) by engine03-20433-10.icritical.com with SMTP; 21 Jul 2014 19:57:34 -0000 Received: from engine03-20433-10.icritical.com ([127.0.0.1]) by localhost (engine03-20433-10.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 14244-03 for ; Mon, 21 Jul 2014 20:57:26 +0100 (BST) Received: (qmail 15196 invoked by uid 599); 21 Jul 2014 19:57:26 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine03-20433-10.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 20:57:26 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X9Ji8-0002Td-QQ; Mon, 21 Jul 2014 20:57:25 +0100 From: Richard Mortier To: Thomas Leonard , "mirageos-devel@lists.xenproject.org" Date: Mon, 21 Jul 2014 20:57:19 +0100 Thread-Topic: wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lHf0yG/X+J1TESpGsoGfF9eS63A== Message-ID: <620E669D-6AFA-4E5B-B9D3-B3B87BA91AF0@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Cc: Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2775177434164945888==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2775177434164945888== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii [ context for list: thomas' observation of failed download, and lots of = retransmissions generally, while bringing up mirage-www on ARM ] On 21 Jul 2014, at 09:27, Thomas Leonard wrote: > On 21 July 2014 17:08, Richard Mortier = wrote: >=20 >> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>=20 >>> Here's the wireshark capture of a failed download. It does indeed = say >>> the TCP checksum is wrong. Any idea what's going on? >>>=20 >>> Note that on ARM it uses a different function to calculate this = (which >>> I took from mirage-unix). It's in the #else block here: >>>=20 >>> = https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stubs.c >>=20 >> ack; will take a look after breakfast :) >>=20 >> just to be clear -- the ARM version is using the code from L247 = marked "generic implementation"? >=20 > Yes. The x86 version crashes on ARM because the 64-bit values aren't = aligned. >=20 >> two immediate questions -- is the checksum field definitely treated = as all zeros in the computation across the header? and is the segment = padded with zeros to be N*16 bits for the purposes of the computation = (but the pad not transmitted)? >=20 > No idea. I haven't changed any code around there. this is weird-- wireshark says that the first transmission of that = segment (frame#13) has an invalid checksum while the retransmission = (#17) has a valid checksum. but the two checksums are the same! however = #13 appears to have almost no valid data in it -- after the first 74 = bytes (which are the same in both #13 and #17), the payload in #13 is = zeroed out. so i guess the cstruct buffer is being recycled too soon (after the = checksum calculation but before the data is actually transmitted) or = something? =20 anil, balraj (or anyone else!)-- has that part of the stack been changed = recently? --=20 Cheers, R. --Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTzXCgAAoJEOLF27JWwSg3qL0QAMyFTNfpHnG1j4bmwhMaHN1Z bA42ihLwQzvjux8jF7aIk3ZZpk71yR07fUrhx7qJrehgT/pvfl5o4aRM/+JBsLdV 53O21XNFsiciAISfOuO47aRV+IriRW3Ht32d4eTmHtg0jcsKEJLLnL4PsD4MAyYZ LgtQNmDOgqyk++dnTVqTjeu7xphmec0X89suzAq8Lj6up5Bud324dMRfG7uRSXTE Fk6wCbc2i/jGkb+Aq764SJuHKgB9lt9b7Z4dcws2K/IRbQ6ab0ih0nDgqWz5KVAp m8kOJLl9mRe8UgucFWYKegY+qagaz+sATyu2h+5rZvKSaNrA8e6uP/Eu7IPfKsB2 l6IQmvkWSM9/KSxzlfDLH6izwuMnzHeLAMKCDlW045fMSWYRdNPUqgFLOkRxqh87 yBQJqcWgxL6rNMyYFS8S645i8R+I0rj8d99ZzigzHglNwBgopBK2rIYtd00tnM+E GKe0yTsTSGwTxDoZEz09nlwv63mTIVgHVGN6XdjAyrUFkDFQdSw5acZfEuxziVzO Lsd6pQhD2Qi0CDCyQJUB9KuKrwW3x+gy/lcWjCa1PNncV/WFRYd3A4mjjQ6Yr0QK FVJcLLw2TXu5BHFMybCs/6DBy1K1UOcCB1d9ozqqJ0Ej2agy8j3fRr0ZTyGJzSnB fpn9yDkG8f4rnR7VfB8r =/2W7 -----END PGP SIGNATURE----- --Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4-- --===============2775177434164945888== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2775177434164945888==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 19:57:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 19:57:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JiL-0005Ze-Jg; Mon, 21 Jul 2014 19:57:37 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JiK-0005ZU-AQ for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 19:57:36 +0000 Received: from [85.158.139.211:25763] by server-16.bemta-5.messagelabs.com id 80/07-31885-FA07DC35; Mon, 21 Jul 2014 19:57:35 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-12.tower-206.messagelabs.com!1405972654!16729785!1 X-Originating-IP: [93.159.202.52] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; 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Mon, 21 Jul 2014 20:57:25 +0100 From: Richard Mortier To: Thomas Leonard , "mirageos-devel@lists.xenproject.org" Date: Mon, 21 Jul 2014 20:57:19 +0100 Thread-Topic: wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lHf0yG/X+J1TESpGsoGfF9eS63A== Message-ID: <620E669D-6AFA-4E5B-B9D3-B3B87BA91AF0@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> In-Reply-To: Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine03-20433-10.icritical.com Cc: Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2775177434164945888==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2775177434164945888== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii [ context for list: thomas' observation of failed download, and lots of = retransmissions generally, while bringing up mirage-www on ARM ] On 21 Jul 2014, at 09:27, Thomas Leonard wrote: > On 21 July 2014 17:08, Richard Mortier = wrote: >=20 >> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>=20 >>> Here's the wireshark capture of a failed download. It does indeed = say >>> the TCP checksum is wrong. Any idea what's going on? >>>=20 >>> Note that on ARM it uses a different function to calculate this = (which >>> I took from mirage-unix). It's in the #else block here: >>>=20 >>> = https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stubs.c >>=20 >> ack; will take a look after breakfast :) >>=20 >> just to be clear -- the ARM version is using the code from L247 = marked "generic implementation"? >=20 > Yes. The x86 version crashes on ARM because the 64-bit values aren't = aligned. >=20 >> two immediate questions -- is the checksum field definitely treated = as all zeros in the computation across the header? and is the segment = padded with zeros to be N*16 bits for the purposes of the computation = (but the pad not transmitted)? >=20 > No idea. I haven't changed any code around there. this is weird-- wireshark says that the first transmission of that = segment (frame#13) has an invalid checksum while the retransmission = (#17) has a valid checksum. but the two checksums are the same! however = #13 appears to have almost no valid data in it -- after the first 74 = bytes (which are the same in both #13 and #17), the payload in #13 is = zeroed out. so i guess the cstruct buffer is being recycled too soon (after the = checksum calculation but before the data is actually transmitted) or = something? =20 anil, balraj (or anyone else!)-- has that part of the stack been changed = recently? --=20 Cheers, R. --Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTzXCgAAoJEOLF27JWwSg3qL0QAMyFTNfpHnG1j4bmwhMaHN1Z bA42ihLwQzvjux8jF7aIk3ZZpk71yR07fUrhx7qJrehgT/pvfl5o4aRM/+JBsLdV 53O21XNFsiciAISfOuO47aRV+IriRW3Ht32d4eTmHtg0jcsKEJLLnL4PsD4MAyYZ LgtQNmDOgqyk++dnTVqTjeu7xphmec0X89suzAq8Lj6up5Bud324dMRfG7uRSXTE Fk6wCbc2i/jGkb+Aq764SJuHKgB9lt9b7Z4dcws2K/IRbQ6ab0ih0nDgqWz5KVAp m8kOJLl9mRe8UgucFWYKegY+qagaz+sATyu2h+5rZvKSaNrA8e6uP/Eu7IPfKsB2 l6IQmvkWSM9/KSxzlfDLH6izwuMnzHeLAMKCDlW045fMSWYRdNPUqgFLOkRxqh87 yBQJqcWgxL6rNMyYFS8S645i8R+I0rj8d99ZzigzHglNwBgopBK2rIYtd00tnM+E GKe0yTsTSGwTxDoZEz09nlwv63mTIVgHVGN6XdjAyrUFkDFQdSw5acZfEuxziVzO Lsd6pQhD2Qi0CDCyQJUB9KuKrwW3x+gy/lcWjCa1PNncV/WFRYd3A4mjjQ6Yr0QK FVJcLLw2TXu5BHFMybCs/6DBy1K1UOcCB1d9ozqqJ0Ej2agy8j3fRr0ZTyGJzSnB fpn9yDkG8f4rnR7VfB8r =/2W7 -----END PGP SIGNATURE----- --Apple-Mail=_7C19CC55-2A20-4401-A17D-AA84319E08B4-- --===============2775177434164945888== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2775177434164945888==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 20:14:22 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 20:14:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JyW-0005m4-Te; Mon, 21 Jul 2014 20:14:20 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JyV-0005lz-81 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 20:14:19 +0000 Received: from [85.158.143.35:60419] by server-1.bemta-4.messagelabs.com id A0/78-30046-A947DC35; Mon, 21 Jul 2014 20:14:18 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-10.tower-21.messagelabs.com!1405973656!19135442!1 X-Originating-IP: [209.85.219.43] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; 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Mon, 21 Jul 2014 13:14:16 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 21 Jul 2014 13:14:15 -0700 (PDT) In-Reply-To: <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> Date: Mon, 21 Jul 2014 21:14:16 +0100 Message-ID: From: Thomas Leonard To: Richard Mortier Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 July 2014 20:56, Richard Mortier wrote: > [ context for list: thomas' observation of failed download, and lots of retransmissions generally, while bringing up mirage-www on ARM ] > > On 21 Jul 2014, at 09:27, Thomas Leonard wrote: > >> On 21 July 2014 17:08, Richard Mortier wrote: >> > >>> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>> >>>> Here's the wireshark capture of a failed download. It does indeed say >>>> the TCP checksum is wrong. Any idea what's going on? >>>> >>>> Note that on ARM it uses a different function to calculate this (which >>>> I took from mirage-unix). It's in the #else block here: >>>> >>>> https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stubs.c >>> >>> ack; will take a look after breakfast :) >>> >>> just to be clear -- the ARM version is using the code from L247 marked "generic implementation"? >> >> Yes. The x86 version crashes on ARM because the 64-bit values aren't aligned. >> >>> two immediate questions -- is the checksum field definitely treated as all zeros in the computation across the header? and is the segment padded with zeros to be N*16 bits for the purposes of the computation (but the pad not transmitted)? >> >> No idea. I haven't changed any code around there. > > this is weird-- wireshark says that the first transmission of that segment (frame#13) has an invalid checksum while the retransmission (#17) has a valid checksum. but the two checksums are the same! however #13 appears to have almost no valid data in it -- after the first 74 bytes (which are the same in both #13 and #17), the payload in #13 is zeroed out. > > so i guess the cstruct buffer is being recycled too soon (after the checksum calculation but before the data is actually transmitted) or something? > > anil, balraj (or anyone else!)-- has that part of the stack been changed recently? I'm seeing strange things using a simpler test case now: let start c s = S.listen_tcpv4 s ~port:8000 (fun flow -> let dst, dst_port = S.TCPV4.get_dest flow in C.log_s c (green "new tcp connection from %s %d" (Ipaddr.V4.to_string dst) dst_port) >>= fun () -> let data = Cstruct.of_string "Hello" in S.TCPV4.write flow data >>= fun () -> S.TCPV4.close flow ); S.listen s This is also failing. I added a hexdump to mirage-net-xen and got this in Netif.writev: f0 1f af 6a 9b 95 c0 ff ee c0 ff ee 08 00 45 00 00 2d 52 95 00 00 26 06 c0 c8 c0 a8 00 12 c0 a8 00 0b 1f 40 b4 ca 1a fe b5 69 5e 8c dd fe 50 18 ff ff 29 8a 00 00 48 65 6c 6c 6f That looks correct. The first block is the header, the second is the payload. In wireshare, the header is identical but the payload is different (20 00 00 00 08), which matches what you're seeing. So I guess there's some problem sending the second page to the ring. Suggestions from people who know this code would be great! Could just be a missing barrier or something. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 20:14:22 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 20:14:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JyW-0005m4-Te; Mon, 21 Jul 2014 20:14:20 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9JyV-0005lz-81 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 20:14:19 +0000 Received: from [85.158.143.35:60419] by server-1.bemta-4.messagelabs.com id A0/78-30046-A947DC35; Mon, 21 Jul 2014 20:14:18 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-10.tower-21.messagelabs.com!1405973656!19135442!1 X-Originating-IP: [209.85.219.43] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11365 invoked from network); 21 Jul 2014 20:14:17 -0000 Received: from mail-oa0-f43.google.com (HELO mail-oa0-f43.google.com) (209.85.219.43) by server-10.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 20:14:17 -0000 Received: by mail-oa0-f43.google.com with SMTP id i7so8284970oag.30 for ; Mon, 21 Jul 2014 13:14:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=zvsz3qzugbZ9FweDFnkoTFcLg7aU5rQvFAoZElW08A8=; b=Rd2PbYVH+f19b/+rkjqS+Fiy+wmWp0jKZeM1WsMDoB3L38Dws3MT7NSmWh9DNgeZAP JaRuzoHNjZ9iUiVua7GMWejndVKGhioIZhEd4K0nHHUREGcAr1RefsL0ox/WowaeaZza xNpbalkz4mAtc7q9o6Ov205RwNAp1T1VuxXVABcHUiNNZdqu7EDhYAdCIyIUM+UzwOR/ UAK48W8Kl+I6re5yTm9n/zsSLDojhD52MUWzyJilYl+6JiD80X6dDXwICQ88Sq/YVjY5 io4j0/DGKqi/O973Hsks4ylP8b8lSF+28RA5NlqCMkbjmmKkg+fw/XZ4OAobF3azCWz9 Xomw== MIME-Version: 1.0 X-Received: by 10.182.200.169 with SMTP id jt9mr41891356obc.0.1405973656052; Mon, 21 Jul 2014 13:14:16 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 21 Jul 2014 13:14:15 -0700 (PDT) In-Reply-To: <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> Date: Mon, 21 Jul 2014 21:14:16 +0100 Message-ID: From: Thomas Leonard To: Richard Mortier Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 July 2014 20:56, Richard Mortier wrote: > [ context for list: thomas' observation of failed download, and lots of retransmissions generally, while bringing up mirage-www on ARM ] > > On 21 Jul 2014, at 09:27, Thomas Leonard wrote: > >> On 21 July 2014 17:08, Richard Mortier wrote: >> > >>> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>> >>>> Here's the wireshark capture of a failed download. It does indeed say >>>> the TCP checksum is wrong. Any idea what's going on? >>>> >>>> Note that on ARM it uses a different function to calculate this (which >>>> I took from mirage-unix). It's in the #else block here: >>>> >>>> https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stubs.c >>> >>> ack; will take a look after breakfast :) >>> >>> just to be clear -- the ARM version is using the code from L247 marked "generic implementation"? >> >> Yes. The x86 version crashes on ARM because the 64-bit values aren't aligned. >> >>> two immediate questions -- is the checksum field definitely treated as all zeros in the computation across the header? and is the segment padded with zeros to be N*16 bits for the purposes of the computation (but the pad not transmitted)? >> >> No idea. I haven't changed any code around there. > > this is weird-- wireshark says that the first transmission of that segment (frame#13) has an invalid checksum while the retransmission (#17) has a valid checksum. but the two checksums are the same! however #13 appears to have almost no valid data in it -- after the first 74 bytes (which are the same in both #13 and #17), the payload in #13 is zeroed out. > > so i guess the cstruct buffer is being recycled too soon (after the checksum calculation but before the data is actually transmitted) or something? > > anil, balraj (or anyone else!)-- has that part of the stack been changed recently? I'm seeing strange things using a simpler test case now: let start c s = S.listen_tcpv4 s ~port:8000 (fun flow -> let dst, dst_port = S.TCPV4.get_dest flow in C.log_s c (green "new tcp connection from %s %d" (Ipaddr.V4.to_string dst) dst_port) >>= fun () -> let data = Cstruct.of_string "Hello" in S.TCPV4.write flow data >>= fun () -> S.TCPV4.close flow ); S.listen s This is also failing. I added a hexdump to mirage-net-xen and got this in Netif.writev: f0 1f af 6a 9b 95 c0 ff ee c0 ff ee 08 00 45 00 00 2d 52 95 00 00 26 06 c0 c8 c0 a8 00 12 c0 a8 00 0b 1f 40 b4 ca 1a fe b5 69 5e 8c dd fe 50 18 ff ff 29 8a 00 00 48 65 6c 6c 6f That looks correct. The first block is the header, the second is the payload. In wireshare, the header is identical but the payload is different (20 00 00 00 08), which matches what you're seeing. So I guess there's some problem sending the second page to the ring. Suggestions from people who know this code would be great! Could just be a missing barrier or something. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 20:31:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 20:31:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9KFP-00063z-MM; Mon, 21 Jul 2014 20:31:47 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9KFO-00063p-HC for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 20:31:46 +0000 Received: from [85.158.139.211:12247] by server-9.bemta-5.messagelabs.com id 32/37-26293-1B87DC35; Mon, 21 Jul 2014 20:31:45 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-10.tower-206.messagelabs.com!1405974704!11450132!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20171 invoked from network); 21 Jul 2014 20:31:44 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-10.tower-206.messagelabs.com with SMTP; 21 Jul 2014 20:31:44 -0000 X-IronPort-AV: E=Sophos;i="5.01,703,1400025600"; d="scan'208";a="23304804" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 21 Jul 2014 20:31:44 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL01.citrite.net ([169.254.6.75]) with mapi id 14.03.0181.006; Mon, 21 Jul 2014 22:31:44 +0200 From: Dave Scott To: Thomas Leonard Thread-Topic: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lHe12RH2fyf+cToiZN8zOqPN7WP//408AgAAE3wA= Date: Mon, 21 Jul 2014 20:31:44 +0000 Message-ID: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 21:14, Thomas Leonard wrote: > On 21 July 2014 20:56, Richard Mortier = wrote: >> [ context for list: thomas' observation of failed download, and lots of = retransmissions generally, while bringing up mirage-www on ARM ] >> = >> On 21 Jul 2014, at 09:27, Thomas Leonard wrote: >> = >>> On 21 July 2014 17:08, Richard Mortier wrote: >>> = >> = >>>> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>>> = >>>>> Here's the wireshark capture of a failed download. It does indeed say >>>>> the TCP checksum is wrong. Any idea what's going on? >>>>> = >>>>> Note that on ARM it uses a different function to calculate this (which >>>>> I took from mirage-unix). It's in the #else block here: >>>>> = >>>>> https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stu= bs.c >>>> = >>>> ack; will take a look after breakfast :) >>>> = >>>> just to be clear -- the ARM version is using the code from L247 marked= "generic implementation"? >>> = >>> Yes. The x86 version crashes on ARM because the 64-bit values aren't al= igned. >>> = >>>> two immediate questions -- is the checksum field definitely treated as= all zeros in the computation across the header? and is the segment padded= with zeros to be N*16 bits for the purposes of the computation (but the pa= d not transmitted)? >>> = >>> No idea. I haven't changed any code around there. >> = >> this is weird-- wireshark says that the first transmission of that segme= nt (frame#13) has an invalid checksum while the retransmission (#17) has a = valid checksum. but the two checksums are the same! however #13 appears to= have almost no valid data in it -- after the first 74 bytes (which are the= same in both #13 and #17), the payload in #13 is zeroed out. >> = >> so i guess the cstruct buffer is being recycled too soon (after the chec= ksum calculation but before the data is actually transmitted) or something? >> = >> anil, balraj (or anyone else!)-- has that part of the stack been changed= recently? > = > I'm seeing strange things using a simpler test case now: > = > let start c s =3D > S.listen_tcpv4 s ~port:8000 (fun flow -> > let dst, dst_port =3D S.TCPV4.get_dest flow in > C.log_s c (green "new tcp connection from %s %d" > (Ipaddr.V4.to_string dst) dst_port) >>> =3D fun () -> > let data =3D Cstruct.of_string "Hello" in > S.TCPV4.write flow data >>> =3D fun () -> > S.TCPV4.close flow > ); > S.listen s > = > This is also failing. I added a hexdump to mirage-net-xen and got this > in Netif.writev: > = > f0 1f af 6a 9b 95 c0 ff ee c0 ff ee 08 00 45 00 > 00 2d 52 95 00 00 26 06 c0 c8 c0 a8 00 12 c0 a8 > 00 0b 1f 40 b4 ca 1a fe b5 69 5e 8c dd fe 50 18 > ff ff 29 8a 00 00 > = > 48 65 6c 6c 6f > = > That looks correct. The first block is the header, the second is the > payload. In wireshare, the header is identical but the payload is > different (20 00 00 00 08), which matches what you're seeing. > = > So I guess there's some problem sending the second page to the ring. > Suggestions from people who know this code would be great! Could just > be a missing barrier or something. I think the flow is: https://github.com/mirage/mirage-net-xen/blob/master/lib/netif.ml#L408 https://github.com/mirage/shared-memory-ring/blob/master/lwt/lwt_ring.ml#L75 https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L154 https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L102 https://github.com/mirage/shared-memory-ring/blob/master/lib/barrier_stubs.= c#L28 =97 calling =93xen_mb=94 Perhaps to see whether =93xen_mb=94 is working you could add a delay (via b= usy loop?) in the =91memory_barrier=92 function (or thereabouts) in shared-= memory-ring. Assuming the writes are committed eventually (is that a valid = assumption?) then the busy loop would =93fix it=94. That would be fairly go= od evidence that barriers are broken. Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 20:31:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 20:31:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9KFP-00063z-MM; Mon, 21 Jul 2014 20:31:47 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9KFO-00063p-HC for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 20:31:46 +0000 Received: from [85.158.139.211:12247] by server-9.bemta-5.messagelabs.com id 32/37-26293-1B87DC35; Mon, 21 Jul 2014 20:31:45 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-10.tower-206.messagelabs.com!1405974704!11450132!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20171 invoked from network); 21 Jul 2014 20:31:44 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-10.tower-206.messagelabs.com with SMTP; 21 Jul 2014 20:31:44 -0000 X-IronPort-AV: E=Sophos;i="5.01,703,1400025600"; d="scan'208";a="23304804" Received: from unknown (HELO AMSPEX01CL01.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 21 Jul 2014 20:31:44 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL01.citrite.net ([169.254.6.75]) with mapi id 14.03.0181.006; Mon, 21 Jul 2014 22:31:44 +0200 From: Dave Scott To: Thomas Leonard Thread-Topic: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lHe12RH2fyf+cToiZN8zOqPN7WP//408AgAAE3wA= Date: Mon, 21 Jul 2014 20:31:44 +0000 Message-ID: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] Content-ID: MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 21:14, Thomas Leonard wrote: > On 21 July 2014 20:56, Richard Mortier = wrote: >> [ context for list: thomas' observation of failed download, and lots of = retransmissions generally, while bringing up mirage-www on ARM ] >> = >> On 21 Jul 2014, at 09:27, Thomas Leonard wrote: >> = >>> On 21 July 2014 17:08, Richard Mortier wrote: >>> = >> = >>>> On 21 Jul 2014, at 09:01, Thomas Leonard wrote: >>>> = >>>>> Here's the wireshark capture of a failed download. It does indeed say >>>>> the TCP checksum is wrong. Any idea what's going on? >>>>> = >>>>> Note that on ARM it uses a different function to calculate this (which >>>>> I took from mirage-unix). It's in the #else block here: >>>>> = >>>>> https://github.com/talex5/mirage-tcpip/blob/checksum/lib/checksum_stu= bs.c >>>> = >>>> ack; will take a look after breakfast :) >>>> = >>>> just to be clear -- the ARM version is using the code from L247 marked= "generic implementation"? >>> = >>> Yes. The x86 version crashes on ARM because the 64-bit values aren't al= igned. >>> = >>>> two immediate questions -- is the checksum field definitely treated as= all zeros in the computation across the header? and is the segment padded= with zeros to be N*16 bits for the purposes of the computation (but the pa= d not transmitted)? >>> = >>> No idea. I haven't changed any code around there. >> = >> this is weird-- wireshark says that the first transmission of that segme= nt (frame#13) has an invalid checksum while the retransmission (#17) has a = valid checksum. but the two checksums are the same! however #13 appears to= have almost no valid data in it -- after the first 74 bytes (which are the= same in both #13 and #17), the payload in #13 is zeroed out. >> = >> so i guess the cstruct buffer is being recycled too soon (after the chec= ksum calculation but before the data is actually transmitted) or something? >> = >> anil, balraj (or anyone else!)-- has that part of the stack been changed= recently? > = > I'm seeing strange things using a simpler test case now: > = > let start c s =3D > S.listen_tcpv4 s ~port:8000 (fun flow -> > let dst, dst_port =3D S.TCPV4.get_dest flow in > C.log_s c (green "new tcp connection from %s %d" > (Ipaddr.V4.to_string dst) dst_port) >>> =3D fun () -> > let data =3D Cstruct.of_string "Hello" in > S.TCPV4.write flow data >>> =3D fun () -> > S.TCPV4.close flow > ); > S.listen s > = > This is also failing. I added a hexdump to mirage-net-xen and got this > in Netif.writev: > = > f0 1f af 6a 9b 95 c0 ff ee c0 ff ee 08 00 45 00 > 00 2d 52 95 00 00 26 06 c0 c8 c0 a8 00 12 c0 a8 > 00 0b 1f 40 b4 ca 1a fe b5 69 5e 8c dd fe 50 18 > ff ff 29 8a 00 00 > = > 48 65 6c 6c 6f > = > That looks correct. The first block is the header, the second is the > payload. In wireshare, the header is identical but the payload is > different (20 00 00 00 08), which matches what you're seeing. > = > So I guess there's some problem sending the second page to the ring. > Suggestions from people who know this code would be great! Could just > be a missing barrier or something. I think the flow is: https://github.com/mirage/mirage-net-xen/blob/master/lib/netif.ml#L408 https://github.com/mirage/shared-memory-ring/blob/master/lwt/lwt_ring.ml#L75 https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L154 https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L102 https://github.com/mirage/shared-memory-ring/blob/master/lib/barrier_stubs.= c#L28 =97 calling =93xen_mb=94 Perhaps to see whether =93xen_mb=94 is working you could add a delay (via b= usy loop?) in the =91memory_barrier=92 function (or thereabouts) in shared-= memory-ring. Assuming the writes are committed eventually (is that a valid = assumption?) then the busy loop would =93fix it=94. That would be fairly go= od evidence that barriers are broken. Cheers, Dave _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 21:19:06 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 21:19:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Kz7-0006S1-I4; Mon, 21 Jul 2014 21:19:01 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Kz6-0006Rw-LK for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 21:19:00 +0000 Received: from [85.158.137.68:63966] by server-15.bemta-3.messagelabs.com id D6/AF-14271-3C38DC35; Mon, 21 Jul 2014 21:18:59 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1405977539!17084320!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23117 invoked from network); 21 Jul 2014 21:18:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-31.messagelabs.com with SMTP; 21 Jul 2014 21:18:59 -0000 Received: (qmail 21730 invoked by uid 634); 21 Jul 2014 21:18:58 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from c-67-188-213-72.hsd1.ca.comcast.net (HELO [10.12.10.17]) (67.188.213.72) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 21 Jul 2014 22:18:54 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> Date: Mon, 21 Jul 2014 14:18:51 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 13:31, Dave Scott wrote: > Perhaps to see whether =93xen_mb=94 is working you could add a delay (via= busy loop?) in the =91memory_barrier=92 function (or thereabouts) in share= d-memory-ring. Assuming the writes are committed eventually (is that a vali= d assumption?) then the busy loop would =93fix it=94. That would be fairly = good evidence that barriers are broken. These memory barriers are effectively noops on x86 due to its memory model = (but not on ARM), so I could believe that there's a bug here. But it's odd= that it's happening so often, as such a concurrency race should be much mo= re sporadic. It would be quite handy to have a low-level ring/grant unit test to rule ou= t these sorts of bugs. Vchan doesn't quite count for this I guess, since th= ere's no granting happening. Does the same bug happen with blkfront? That= shares the same logic with netfront, so it'll at least isolate the checksu= mming code vs the Ring code. -anil (unable to do any actual low-level debugging while on the road, so wi= ll stick to wise thought experiments) _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 21:19:06 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 21:19:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Kz7-0006S1-I4; Mon, 21 Jul 2014 21:19:01 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Kz6-0006Rw-LK for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 21:19:00 +0000 Received: from [85.158.137.68:63966] by server-15.bemta-3.messagelabs.com id D6/AF-14271-3C38DC35; Mon, 21 Jul 2014 21:18:59 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1405977539!17084320!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23117 invoked from network); 21 Jul 2014 21:18:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-31.messagelabs.com with SMTP; 21 Jul 2014 21:18:59 -0000 Received: (qmail 21730 invoked by uid 634); 21 Jul 2014 21:18:58 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from c-67-188-213-72.hsd1.ca.comcast.net (HELO [10.12.10.17]) (67.188.213.72) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 21 Jul 2014 22:18:54 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> Date: Mon, 21 Jul 2014 14:18:51 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 13:31, Dave Scott wrote: > Perhaps to see whether =93xen_mb=94 is working you could add a delay (via= busy loop?) in the =91memory_barrier=92 function (or thereabouts) in share= d-memory-ring. Assuming the writes are committed eventually (is that a vali= d assumption?) then the busy loop would =93fix it=94. That would be fairly = good evidence that barriers are broken. These memory barriers are effectively noops on x86 due to its memory model = (but not on ARM), so I could believe that there's a bug here. But it's odd= that it's happening so often, as such a concurrency race should be much mo= re sporadic. It would be quite handy to have a low-level ring/grant unit test to rule ou= t these sorts of bugs. Vchan doesn't quite count for this I guess, since th= ere's no granting happening. Does the same bug happen with blkfront? That= shares the same logic with netfront, so it'll at least isolate the checksu= mming code vs the Ring code. -anil (unable to do any actual low-level debugging while on the road, so wi= ll stick to wise thought experiments) _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 21:26:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 21:26:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9L6R-0006UL-8p; Mon, 21 Jul 2014 21:26:35 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9L6Q-0006UG-I6 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 21:26:34 +0000 Received: from [193.109.254.147:54774] by server-13.bemta-14.messagelabs.com id 45/92-19311-9858DC35; Mon, 21 Jul 2014 21:26:33 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1405977991!18685695!1 X-Originating-IP: [151.236.209.33] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14016 invoked from network); 21 Jul 2014 21:26:31 -0000 Received: from engine01-20433-7.icritical.com (HELO engine01-20433-7.icritical.com) (151.236.209.33) by server-10.tower-27.messagelabs.com with SMTP; 21 Jul 2014 21:26:31 -0000 Received: (qmail 7326 invoked from network); 21 Jul 2014 21:26:29 -0000 Received: from localhost (127.0.0.1) by engine01-20433-7.icritical.com with SMTP; 21 Jul 2014 21:26:29 -0000 Received: from engine01-20433-7.icritical.com ([127.0.0.1]) by localhost (engine01-20433-7.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 05154-07 for ; Mon, 21 Jul 2014 22:26:22 +0100 (BST) Received: (qmail 7265 invoked by uid 599); 21 Jul 2014 21:26:22 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine01-20433-7.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 22:26:22 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X9L6C-0001uq-IL; Mon, 21 Jul 2014 22:26:20 +0100 From: Richard Mortier To: Dave Scott , Thomas Leonard Date: Mon, 21 Jul 2014 22:26:18 +0100 Thread-Topic: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lKmmAOoJRiX8LQla18tN7ohiK5g== Message-ID: <42134996-E900-4259-B598-8A2BD9DBDEBA@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> In-Reply-To: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-7.icritical.com Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4925785057792514418==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4925785057792514418== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_D158ED1D-AAC4-4CF1-9F45-6BC3F6E682B7"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_D158ED1D-AAC4-4CF1-9F45-6BC3F6E682B7 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On 21 Jul 2014, at 13:31, Dave Scott wrote: >=20 > On 21 Jul 2014, at 21:14, Thomas Leonard wrote: >=20 >> ...So I guess there's some problem sending the second page to the = ring. >> Suggestions from people who know this code would be great! Could just >> be a missing barrier or something. >=20 > I think the flow is: >=20 > https://github.com/mirage/mirage-net-xen/blob/master/lib/netif.ml#L408 > = https://github.com/mirage/shared-memory-ring/blob/master/lwt/lwt_ring.ml#L= 75 > = https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L154 > = https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L102 > = https://github.com/mirage/shared-memory-ring/blob/master/lib/barrier_stubs= .c#L28 > =97 calling =93xen_mb=94 >=20 > Perhaps to see whether =93xen_mb=94 is working you could add a delay = (via busy loop?) in the =91memory_barrier=92 function (or thereabouts) = in shared-memory-ring. Assuming the writes are committed eventually (is = that a valid assumption?) then the busy loop would =93fix it=94. That = would be fairly good evidence that barriers are broken. code inspection of = https://github.com/mirage/shared-memory-ring/blob/master/lib/barrier.h#L20= suggests: ... #elif defined(__arm__) # ifndef _M_ARM #define xen_mb() {} #define xen_rmb() {} #define xen_wmb() {} # elif _M_ARM > 6 #define xen_mb() asm volatile ("dmb" : : : "memory") #define xen_rmb() asm volatile ("dmb" : : : "memory") #define xen_wmb() asm volatile ("dmb" : : : "memory") # else #error This ARM variant needs testing # endif /* ifdef _M_ARM */ ...so i guess one question is what's _M_ARM defined to? also, looking at = http://infocenter.arm.com/help/index.jsp?topic=3D/com.arm.doc.dui0489c/CIH= GHHIE.html i wonder whether changing "dmb" for "dsb" would be worth = trying to see if that "fixes" things? (caveat: i'm not an asm or arm hacker so that might be an inane = suggestion :) --=20 Cheers, R. --Apple-Mail=_D158ED1D-AAC4-4CF1-9F45-6BC3F6E682B7 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTzYV7AAoJEOLF27JWwSg3X+kP/2E1qm7Ims8uX7m1QCCpPYQJ 4u4lcBjk3KI8/hybRaDGMp1TQ1b7MgIZrRFz02CJmFOneN54/08p5+l+b4E4x55c q5e5Lw74dGSSLwAFq8I0sOzx9PuCbUgqrtTODM2siFPYmKTIwoIKl1E3rt4CXwpr q9FiaZDPzu+nPKet+SwiR/JImp38ZzoyAACCQ/qsKZfWyoUCxfGK+NSouGA2lltb +P8m6sCAw+uQ6Tw6YnngBkOGHBctGVchaLC/92JqXRaqHtizo4whPLG0FEzOBVRr KCef5bP8CSo/0zGLUW6PRp+5EAQeL9RpK2kAksBIDQz6gFV7qbqpXsb4o95b74vv s6zlpt1WCu4a2C7qEVyNfLRp1vPAgJBO1ZGzHw0zf+VQEqYVWzQ8MlUge4NTT2ae nalsdes4MXSnMQNaZphWc37pfmXY5CJzX1Xwg0o9AQ4EJ6sPZbP+L/sbwbVM7X1B uw4Nu+o+5t+fUOt74VJ/VKilueh9gHLvemO/5sfJ7PDYM2kCxragkWexb8VYfNn3 5RxVbBvb/q8xwN7rNcsysfyCd/E2MJrqXBUs5Y/5EgJ7qoDv+IFDKMOkyuq8JfzA G/HAG4GCmNNOLrRVmyzlODcw/WSEGpP5UTVNhjt7Dtp6QlLLHuqbcCcgUQO+MmlQ a/B8rqD6S0Sj7pq5Ld2e =Hyxe -----END PGP SIGNATURE----- --Apple-Mail=_D158ED1D-AAC4-4CF1-9F45-6BC3F6E682B7-- --===============4925785057792514418== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4925785057792514418==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 21 21:26:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 21 Jul 2014 21:26:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9L6R-0006UL-8p; Mon, 21 Jul 2014 21:26:35 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9L6Q-0006UG-I6 for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 21:26:34 +0000 Received: from [193.109.254.147:54774] by server-13.bemta-14.messagelabs.com id 45/92-19311-9858DC35; Mon, 21 Jul 2014 21:26:33 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1405977991!18685695!1 X-Originating-IP: [151.236.209.33] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14016 invoked from network); 21 Jul 2014 21:26:31 -0000 Received: from engine01-20433-7.icritical.com (HELO engine01-20433-7.icritical.com) (151.236.209.33) by server-10.tower-27.messagelabs.com with SMTP; 21 Jul 2014 21:26:31 -0000 Received: (qmail 7326 invoked from network); 21 Jul 2014 21:26:29 -0000 Received: from localhost (127.0.0.1) by engine01-20433-7.icritical.com with SMTP; 21 Jul 2014 21:26:29 -0000 Received: from engine01-20433-7.icritical.com ([127.0.0.1]) by localhost (engine01-20433-7.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 05154-07 for ; Mon, 21 Jul 2014 22:26:22 +0100 (BST) Received: (qmail 7265 invoked by uid 599); 21 Jul 2014 21:26:22 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine01-20433-7.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 21 Jul 2014 22:26:22 +0100 Received: from uiwexhub01.ad.nottingham.ac.uk ([128.243.15.133]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1X9L6C-0001uq-IL; Mon, 21 Jul 2014 22:26:20 +0100 From: Richard Mortier To: Dave Scott , Thomas Leonard Date: Mon, 21 Jul 2014 22:26:18 +0100 Thread-Topic: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM Thread-Index: Ac+lKmmAOoJRiX8LQla18tN7ohiK5g== Message-ID: <42134996-E900-4259-B598-8A2BD9DBDEBA@nottingham.ac.uk> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> In-Reply-To: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-7.icritical.com Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4925785057792514418==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4925785057792514418== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_D158ED1D-AAC4-4CF1-9F45-6BC3F6E682B7"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_D158ED1D-AAC4-4CF1-9F45-6BC3F6E682B7 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On 21 Jul 2014, at 13:31, Dave Scott wrote: >=20 > On 21 Jul 2014, at 21:14, Thomas Leonard wrote: >=20 >> ...So I guess there's some problem sending the second page to the = ring. >> Suggestions from people who know this code would be great! Could just >> be a missing barrier or something. >=20 > I think the flow is: >=20 > https://github.com/mirage/mirage-net-xen/blob/master/lib/netif.ml#L408 > = https://github.com/mirage/shared-memory-ring/blob/master/lwt/lwt_ring.ml#L= 75 > = https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L154 > = https://github.com/mirage/shared-memory-ring/blob/master/lib/ring.ml#L102 > = https://github.com/mirage/shared-memory-ring/blob/master/lib/barrier_stubs= .c#L28 > =97 calling =93xen_mb=94 >=20 > Perhaps to see whether =93xen_mb=94 is working you could add a delay = (via busy loop?) in the =91memory_barrier=92 function (or thereabouts) = in shared-memory-ring. Assuming the writes are committed eventually (is = that a valid assumption?) then the busy loop would =93fix it=94. That = would be fairly good evidence that barriers are broken. code inspection of = https://github.com/mirage/shared-memory-ring/blob/master/lib/barrier.h#L20= suggests: ... #elif defined(__arm__) # ifndef _M_ARM #define xen_mb() {} #define xen_rmb() {} #define xen_wmb() {} # elif _M_ARM > 6 #define xen_mb() asm volatile ("dmb" : : : "memory") #define xen_rmb() asm volatile ("dmb" : : : "memory") #define xen_wmb() asm volatile ("dmb" : : : "memory") # else #error This ARM variant needs testing # endif /* ifdef _M_ARM */ ...so i guess one question is what's _M_ARM defined to? also, looking at = http://infocenter.arm.com/help/index.jsp?topic=3D/com.arm.doc.dui0489c/CIH= GHHIE.html i wonder whether changing "dmb" for "dsb" would be worth = trying to see if that "fixes" things? (caveat: i'm not an asm or arm hacker so that might be an inane = suggestion :) --=20 Cheers, R. --Apple-Mail=_D158ED1D-AAC4-4CF1-9F45-6BC3F6E682B7 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJTzYV7AAoJEOLF27JWwSg3X+kP/2E1qm7Ims8uX7m1QCCpPYQJ 4u4lcBjk3KI8/hybRaDGMp1TQ1b7MgIZrRFz02CJmFOneN54/08p5+l+b4E4x55c q5e5Lw74dGSSLwAFq8I0sOzx9PuCbUgqrtTODM2siFPYmKTIwoIKl1E3rt4CXwpr q9FiaZDPzu+nPKet+SwiR/JImp38ZzoyAACCQ/qsKZfWyoUCxfGK+NSouGA2lltb +P8m6sCAw+uQ6Tw6YnngBkOGHBctGVchaLC/92JqXRaqHtizo4whPLG0FEzOBVRr KCef5bP8CSo/0zGLUW6PRp+5EAQeL9RpK2kAksBIDQz6gFV7qbqpXsb4o95b74vv s6zlpt1WCu4a2C7qEVyNfLRp1vPAgJBO1ZGzHw0zf+VQEqYVWzQ8MlUge4NTT2ae nalsdes4MXSnMQNaZphWc37pfmXY5CJzX1Xwg0o9AQ4EJ6sPZbP+L/sbwbVM7X1B 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Mon, 21 Jul 2014 21:30:43 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9LAQ-0006Wz-5v for mirageos-devel@lists.xenproject.org; Mon, 21 Jul 2014 21:30:42 +0000 Received: from [193.109.254.147:58241] by server-7.bemta-14.messagelabs.com id E9/61-13362-1868DC35; Mon, 21 Jul 2014 21:30:41 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1405978238!18649615!1 X-Originating-IP: [209.85.219.48] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28996 invoked from network); 21 Jul 2014 21:30:40 -0000 Received: from mail-oa0-f48.google.com (HELO mail-oa0-f48.google.com) (209.85.219.48) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 21:30:40 -0000 Received: by mail-oa0-f48.google.com with SMTP id m1so8223976oag.7 for ; Mon, 21 Jul 2014 14:30:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=SZ2/6xmLAKyOBJTK59fOFdBMR7ez0sZQljM+LzBcLz4=; b=kBXex3fKEd0gaHIvaex1Fz2db2uXW9OT8Hnq2xtVgpGIeWI+sT0QWowGcibZoQI5gn pqmrDvGUCo5s/yJWsLs8uuZKEkcgHaoSOFP+n2oZyrHpn3jS82NMSe5O4v629hzzUHbz sIg9UDs29klYNTtmFkUj8Um8LT2WQtEmI0RFUEVu/vYdljDZhG30xEuBU9/JnWGPkSo/ wRKRzvc+Fgn7N0Hu6pAfdJcJHITpUTkDZOzKFK1RZzdYNez6rrtE7gz6efHtuW0d59C7 2KifF3bbOFmDAyWiC0q8fYqA/fLW4hbeB2Nb39JmzWcPUSS9Z1AnrwlCAcSjB8P7tfd3 N8Jg== MIME-Version: 1.0 X-Received: by 10.182.97.234 with SMTP id ed10mr40796108obb.31.1405978238483; Mon, 21 Jul 2014 14:30:38 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 21 Jul 2014 14:30:38 -0700 (PDT) In-Reply-To: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> Date: Mon, 21 Jul 2014 22:30:38 +0100 Message-ID: From: Thomas Leonard To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjEgSnVseSAyMDE0IDIxOjMxLCBEYXZlIFNjb3R0IDxEYXZlLlNjb3R0QGNpdHJpeC5jb20+ IHdyb3RlOgo+Cj4gT24gMjEgSnVsIDIwMTQsIGF0IDIxOjE0LCBUaG9tYXMgTGVvbmFyZCA8dGFs 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(PDT) In-Reply-To: <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> Date: Mon, 21 Jul 2014 22:30:38 +0100 Message-ID: From: Thomas Leonard To: Dave Scott Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjEgSnVseSAyMDE0IDIxOjMxLCBEYXZlIFNjb3R0IDxEYXZlLlNjb3R0QGNpdHJpeC5jb20+ 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(1.0) In-Reply-To: Message-Id: X-Mailer: iPhone Mail (11D257) From: Anil Madhavapeddy Date: Mon, 21 Jul 2014 14:40:47 -0700 To: Thomas Leonard X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Dave Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org SWYgaXQgZmFpbHMgb24geDg2IGNvdWxkIHlvdSB0cnkgcmV2ZXJ0aW5nIHRvIGFuIG9sZGVyIENz dHJ1Y3QgdmVyc2lvbj8gSSB3b3JyeSBhYm91dCB0aGUgcmVjZW50IGJvdW5kcyBjaGVja3MgdHJp cHBpbmcgc29tZSBuZXcgYmVoYXZpb3VyLgoKQW5pbAoKPiBPbiAyMSBKdWwgMjAxNCwgYXQgMTQ6 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2014 22:14:18 +0000 Received: from [85.158.143.35:54669] by server-3.bemta-4.messagelabs.com id 93/C2-09960-9B09DC35; Mon, 21 Jul 2014 22:14:17 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-21.messagelabs.com!1405980854!18822002!1 X-Originating-IP: [209.85.218.41] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9632 invoked from network); 21 Jul 2014 22:14:15 -0000 Received: from mail-oi0-f41.google.com (HELO mail-oi0-f41.google.com) (209.85.218.41) by server-3.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 21 Jul 2014 22:14:15 -0000 Received: by mail-oi0-f41.google.com with SMTP id a141so3855292oig.28 for ; Mon, 21 Jul 2014 15:14:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to 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[MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org RGlkbid0IHNlZW0gdG8gaGVscC4gSGVyZSdzIG15IGN1cnJlbnQgbW9kaWZpZWQgdmVyc2lvbiBv ZgptaXJhZ2Utc2tlbGV0b24vbmV0d29yay4gRG9lcyBpdCB3b3JrIGZvciBhbnlvbmUgZWxzZT8K Cm1vZHVsZSBNYWluIChDOiBWMV9MV1QuQ09OU09MRSkgKFM6IFYxX0xXVC5TVEFDS1Y0KSA9IHN0 cnVjdAoKICBsZXQgYnVmZmVyID0gQnVmZmVyLmNyZWF0ZSAxMDAwCiAgbGV0ICgpID0KICAgIGZv ciBpID0gMSB0byAxMDAwIGRvCiAgICAgIEJ1ZmZlci5hZGRfc3RyaW5nIGJ1ZmZlciAoUHJpbnRm LnNwcmludGYgIiVkICIgaSkKICAgIGRvbmUKCiAgbGV0IGRhdGEgPSBDc3RydWN0Lm9mX3N0cmlu ZyAoQnVmZmVyLmNvbnRlbnRzIGJ1ZmZlcikKICBsZXQgc3RhcnQgYyBzID0KICAgIFMubGlzdGVu 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ed10mr41076023obb.31.1405980854114; Mon, 21 Jul 2014 15:14:14 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Mon, 21 Jul 2014 15:14:14 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> Date: Mon, 21 Jul 2014 23:14:14 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: Dave Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org 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Cc: Dave Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org V2hhdCBhcmUgdGhlIHJ1bGVzIGFib3V0IGFsaWdubWVudCBmb3IgY3N0cnVjdHM/CgpBbGxvY2F0 aW5nIHRoZSBidWZmZXIgbGlrZSB0aGlzIHdvcmtzOgoKICBsZXQgZGF0YSA9IElvX3BhZ2UuZ2V0 IDEgfD4gSW9fcGFnZS50b19jc3RydWN0CiAgbGV0ICgpID0gQ3N0cnVjdC5ibGl0X2Zyb21fc3Ry aW5nIChCdWZmZXIuY29udGVudHMgYnVmZmVyKSAwIGRhdGEgMAooQnVmZmVyLmxlbmd0aCBidWZm ZXIpCgpCdXQgdXNpbmcgQ3N0cnVjdC5vZl9zdHJpbmcgZG9lc24ndC4gSXQgZG9lcyBsb29rIGxp a2UgTmV0aWYgYXNzdW1lcwp0aGUgc3RydWN0cyBhcmUgcGFnZSBhbGlnbmVkLiBlLmcuCgogIGlm 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From: Thomas Leonard To: Anil Madhavapeddy Cc: Dave Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org V2hhdCBhcmUgdGhlIHJ1bGVzIGFib3V0IGFsaWdubWVudCBmb3IgY3N0cnVjdHM/CgpBbGxvY2F0 aW5nIHRoZSBidWZmZXIgbGlrZSB0aGlzIHdvcmtzOgoKICBsZXQgZGF0YSA9IElvX3BhZ2UuZ2V0 IDEgfD4gSW9fcGFnZS50b19jc3RydWN0CiAgbGV0ICgpID0gQ3N0cnVjdC5ibGl0X2Zyb21fc3Ry aW5nIChCdWZmZXIuY29udGVudHMgYnVmZmVyKSAwIGRhdGEgMAooQnVmZmVyLmxlbmd0aCBidWZm ZXIpCgpCdXQgdXNpbmcgQ3N0cnVjdC5vZl9zdHJpbmcgZG9lc24ndC4gSXQgZG9lcyBsb29rIGxp 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mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9QJU-0007Nm-17 for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 03:00:24 +0000 Received: from [85.158.137.68:25054] by server-11.bemta-3.messagelabs.com id 94/10-04507-7C3DDC35; Tue, 22 Jul 2014 03:00:23 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-31.messagelabs.com!1405998022!13484404!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1863 invoked from network); 22 Jul 2014 03:00:22 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-9.tower-31.messagelabs.com with SMTP; 22 Jul 2014 03:00:22 -0000 Received: (qmail 29323 invoked by uid 634); 22 Jul 2014 03:00:21 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [172.31.127.186]) (216.9.110.5) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 04:00:21 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 21 Jul 2014 20:00:18 -0700 Message-Id: <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 16:10, Thomas Leonard wrote: > What are the rules about alignment for cstructs? > > Allocating the buffer like this works: > > let data = Io_page.get 1 |> Io_page.to_cstruct > let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 > (Buffer.length buffer) > > But using Cstruct.of_string doesn't. It does look like Netif assumes > the structs are page aligned. e.g. > > if page.Cstruct.off + len > page_size then begin > (* netback rejects packets that cross page boundaries *) > let msg = > Printf.sprintf "Invalid page: offset=%d, length=%d" > page.Cstruct.off len in > print_endline msg; > Lwt.fail (Failure msg) > end else Argh, this is exactly the problem. Netif requires page aligned buffers (in theory, sub-page grants are possible, but ill-advised for performance reasons). Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create which isn't page-aligned. It does need to go through Io_page to ensure it's page-aligned. We don't protect this distinction using phantom types, and it's bitten us several times now through these hard-to-spot dynamic failures :-/ Making Cstruct's always page aligned is too expensive for the 'casual' small Cstructs (as seen in OCaml TLS for example), so ensure your buffer originates from Io_page is the best bet for now. An issue on how to ensure this is checked statically would be good to have (but involve a fair bit of mechanical code motion). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 03:00:30 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 03:00:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9QJU-0007Nz-RB; Tue, 22 Jul 2014 03:00:24 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9QJU-0007Nm-17 for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 03:00:24 +0000 Received: from [85.158.137.68:25054] by server-11.bemta-3.messagelabs.com id 94/10-04507-7C3DDC35; Tue, 22 Jul 2014 03:00:23 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-31.messagelabs.com!1405998022!13484404!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1863 invoked from network); 22 Jul 2014 03:00:22 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-9.tower-31.messagelabs.com with SMTP; 22 Jul 2014 03:00:22 -0000 Received: (qmail 29323 invoked by uid 634); 22 Jul 2014 03:00:21 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [172.31.127.186]) (216.9.110.5) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 04:00:21 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 21 Jul 2014 20:00:18 -0700 Message-Id: <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 21 Jul 2014, at 16:10, Thomas Leonard wrote: > What are the rules about alignment for cstructs? > > Allocating the buffer like this works: > > let data = Io_page.get 1 |> Io_page.to_cstruct > let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 > (Buffer.length buffer) > > But using Cstruct.of_string doesn't. It does look like Netif assumes > the structs are page aligned. e.g. > > if page.Cstruct.off + len > page_size then begin > (* netback rejects packets that cross page boundaries *) > let msg = > Printf.sprintf "Invalid page: offset=%d, length=%d" > page.Cstruct.off len in > print_endline msg; > Lwt.fail (Failure msg) > end else Argh, this is exactly the problem. Netif requires page aligned buffers (in theory, sub-page grants are possible, but ill-advised for performance reasons). Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create which isn't page-aligned. It does need to go through Io_page to ensure it's page-aligned. We don't protect this distinction using phantom types, and it's bitten us several times now through these hard-to-spot dynamic failures :-/ Making Cstruct's always page aligned is too expensive for the 'casual' small Cstructs (as seen in OCaml TLS for example), so ensure your buffer originates from Io_page is the best bet for now. An issue on how to ensure this is checked statically would be good to have (but involve a fair bit of mechanical code motion). -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 07:44:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 07:44:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Ukc-0003aN-5S; Tue, 22 Jul 2014 07:44:42 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Uka-0003aI-CO for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 07:44:40 +0000 Received: from [85.158.139.211:7480] by server-6.bemta-5.messagelabs.com id E4/B7-02101-7661EC35; Tue, 22 Jul 2014 07:44:39 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1406015077!13437948!1 X-Originating-IP: [209.85.219.41] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32370 invoked from network); 22 Jul 2014 07:44:39 -0000 Received: from mail-oa0-f41.google.com (HELO mail-oa0-f41.google.com) (209.85.219.41) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 07:44:39 -0000 Received: by mail-oa0-f41.google.com with SMTP id j17so9121966oag.28 for ; Tue, 22 Jul 2014 00:44:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=GpuXCTHdW5ds/OIZQkQper3IYg/cNSXSJyxdEdJO6yw=; b=KxTPDC8YteWdzdwR3QoW79ZakR14dmavGHqQj6rGLoo18FYbKWZE2rc+EKEyVEeQTG YCjdjwvWDLPYSNiYDDDC6p4IG1oHswycP3e4Z+ojw3DrhPnkFdB6jP6bSY7g2aqgg8xY 9sAmvSVxSMjxk19b6wmP3iNREojo4fEtTsZMgPm0hh+jSuB8mLkCPLw5jM+PE/v9uAKb 7gL0Ef5oi+yfXRQ9g+I/gtTuxH8bjM976F4pdLSbz73RRcfChs4wW7WR20fLPNH1e5Ua tE3Z/mLia7oz7zPaYbfWEtdxzg/8xa0MzgwxC94PwG/HfFhpyadLOI9v1IGaZovodmR3 8W8Q== MIME-Version: 1.0 X-Received: by 10.182.81.99 with SMTP id z3mr45673957obx.79.1406015077417; Tue, 22 Jul 2014 00:44:37 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 22 Jul 2014 00:44:37 -0700 (PDT) In-Reply-To: <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Tue, 22 Jul 2014 08:44:37 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 04:00, Anil Madhavapeddy wrote: > On 21 Jul 2014, at 16:10, Thomas Leonard wrote: > >> What are the rules about alignment for cstructs? >> >> Allocating the buffer like this works: >> >> let data = Io_page.get 1 |> Io_page.to_cstruct >> let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 >> (Buffer.length buffer) >> >> But using Cstruct.of_string doesn't. It does look like Netif assumes >> the structs are page aligned. e.g. >> >> if page.Cstruct.off + len > page_size then begin >> (* netback rejects packets that cross page boundaries *) >> let msg = >> Printf.sprintf "Invalid page: offset=%d, length=%d" >> page.Cstruct.off len in >> print_endline msg; >> Lwt.fail (Failure msg) >> end else > > Argh, this is exactly the problem. Netif requires page aligned buffers > (in theory, sub-page grants are possible, but ill-advised for performance > reasons). > > Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create > which isn't page-aligned. It does need to go through Io_page to ensure it's > page-aligned. > > We don't protect this distinction using phantom types, and it's bitten us > several times now through these hard-to-spot dynamic failures :-/ > > Making Cstruct's always page aligned is too expensive for the 'casual' > small Cstructs (as seen in OCaml TLS for example), so ensure your buffer > originates from Io_page is the best bet for now. An issue on how to > ensure this is checked statically would be good to have (but involve > a fair bit of mechanical code motion). OK, that helps. On ARM, it still sometimes needs to retransmit though. In some packets, only the first 128 bytes are correct and the rest are zero (according to wireshark). The buffer I'm sending is statically allocated, so it can't be getting freed too soon. How can the net driver see zeros in the same physical page in which it already saw the first part of the data? My test repository is here: https://github.com/talex5/net-problem -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 07:44:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 07:44:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Ukc-0003aN-5S; Tue, 22 Jul 2014 07:44:42 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Uka-0003aI-CO for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 07:44:40 +0000 Received: from [85.158.139.211:7480] by server-6.bemta-5.messagelabs.com id E4/B7-02101-7661EC35; Tue, 22 Jul 2014 07:44:39 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1406015077!13437948!1 X-Originating-IP: [209.85.219.41] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 32370 invoked from network); 22 Jul 2014 07:44:39 -0000 Received: from mail-oa0-f41.google.com (HELO mail-oa0-f41.google.com) (209.85.219.41) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 07:44:39 -0000 Received: by mail-oa0-f41.google.com with SMTP id j17so9121966oag.28 for ; Tue, 22 Jul 2014 00:44:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=GpuXCTHdW5ds/OIZQkQper3IYg/cNSXSJyxdEdJO6yw=; b=KxTPDC8YteWdzdwR3QoW79ZakR14dmavGHqQj6rGLoo18FYbKWZE2rc+EKEyVEeQTG YCjdjwvWDLPYSNiYDDDC6p4IG1oHswycP3e4Z+ojw3DrhPnkFdB6jP6bSY7g2aqgg8xY 9sAmvSVxSMjxk19b6wmP3iNREojo4fEtTsZMgPm0hh+jSuB8mLkCPLw5jM+PE/v9uAKb 7gL0Ef5oi+yfXRQ9g+I/gtTuxH8bjM976F4pdLSbz73RRcfChs4wW7WR20fLPNH1e5Ua tE3Z/mLia7oz7zPaYbfWEtdxzg/8xa0MzgwxC94PwG/HfFhpyadLOI9v1IGaZovodmR3 8W8Q== MIME-Version: 1.0 X-Received: by 10.182.81.99 with SMTP id z3mr45673957obx.79.1406015077417; Tue, 22 Jul 2014 00:44:37 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 22 Jul 2014 00:44:37 -0700 (PDT) In-Reply-To: <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Tue, 22 Jul 2014 08:44:37 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 04:00, Anil Madhavapeddy wrote: > On 21 Jul 2014, at 16:10, Thomas Leonard wrote: > >> What are the rules about alignment for cstructs? >> >> Allocating the buffer like this works: >> >> let data = Io_page.get 1 |> Io_page.to_cstruct >> let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 >> (Buffer.length buffer) >> >> But using Cstruct.of_string doesn't. It does look like Netif assumes >> the structs are page aligned. e.g. >> >> if page.Cstruct.off + len > page_size then begin >> (* netback rejects packets that cross page boundaries *) >> let msg = >> Printf.sprintf "Invalid page: offset=%d, length=%d" >> page.Cstruct.off len in >> print_endline msg; >> Lwt.fail (Failure msg) >> end else > > Argh, this is exactly the problem. Netif requires page aligned buffers > (in theory, sub-page grants are possible, but ill-advised for performance > reasons). > > Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create > which isn't page-aligned. It does need to go through Io_page to ensure it's > page-aligned. > > We don't protect this distinction using phantom types, and it's bitten us > several times now through these hard-to-spot dynamic failures :-/ > > Making Cstruct's always page aligned is too expensive for the 'casual' > small Cstructs (as seen in OCaml TLS for example), so ensure your buffer > originates from Io_page is the best bet for now. An issue on how to > ensure this is checked statically would be good to have (but involve > a fair bit of mechanical code motion). OK, that helps. On ARM, it still sometimes needs to retransmit though. In some packets, only the first 128 bytes are correct and the rest are zero (according to wireshark). The buffer I'm sending is statically allocated, so it can't be getting freed too soon. How can the net driver see zeros in the same physical page in which it already saw the first part of the data? My test repository is here: https://github.com/talex5/net-problem -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 08:10:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 08:10:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VA1-0004Li-PK; Tue, 22 Jul 2014 08:10:57 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VA0-0004Lc-QD for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 08:10:57 +0000 Received: from [193.109.254.147:3261] by server-10.bemta-14.messagelabs.com id C3/A5-06615-09C1EC35; Tue, 22 Jul 2014 08:10:56 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1406016654!18722804!1 X-Originating-IP: [209.85.219.49] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12831 invoked from network); 22 Jul 2014 08:10:55 -0000 Received: from mail-oa0-f49.google.com (HELO mail-oa0-f49.google.com) (209.85.219.49) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 08:10:55 -0000 Received: by mail-oa0-f49.google.com with SMTP id eb12so9018062oac.22 for ; Tue, 22 Jul 2014 01:10:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=HtjyO6ULoEOcBZQgVuZYK5bP2f5BpDH5K0p3rpbEPHc=; b=Y8SGNT4HeWxvbZzqCkWDRq7vVPhk3P2xVYd1+3Acr65NeRAZzfedufTZpFJIAtuySn j2zv4TXucfIT5lF47U+fsM0H4NFTSJKQN3WOci6H8DaX/WOkbUb9UDqu8iM7GLSto1y0 K7RhekbtMS35Ho3hqpuL8yTVGmFag9yt/DC7oZnEKeBytIH+FVpsGkkTx+2j+ojLqjer yVfYk9MQ+XLfkQoLeIxRZV/j9gaPJQwRBIFKT03bxPzCDC8OBwyyIVGrdlCVsG+JUEu2 MDgWL+IJvq963gqgXbFC1e2JDpgkjca15Np+H3Lje64mesA+IfboJSMRYWm65dI6f6Xf eA0Q== MIME-Version: 1.0 X-Received: by 10.182.205.231 with SMTP id lj7mr18803751obc.37.1406016653929; Tue, 22 Jul 2014 01:10:53 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 22 Jul 2014 01:10:53 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Tue, 22 Jul 2014 09:10:53 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 08:44, Thomas Leonard wrote: > On 22 July 2014 04:00, Anil Madhavapeddy wrote: >> On 21 Jul 2014, at 16:10, Thomas Leonard wrote: >> >>> What are the rules about alignment for cstructs? >>> >>> Allocating the buffer like this works: >>> >>> let data = Io_page.get 1 |> Io_page.to_cstruct >>> let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 >>> (Buffer.length buffer) >>> >>> But using Cstruct.of_string doesn't. It does look like Netif assumes >>> the structs are page aligned. e.g. >>> >>> if page.Cstruct.off + len > page_size then begin >>> (* netback rejects packets that cross page boundaries *) >>> let msg = >>> Printf.sprintf "Invalid page: offset=%d, length=%d" >>> page.Cstruct.off len in >>> print_endline msg; >>> Lwt.fail (Failure msg) >>> end else >> >> Argh, this is exactly the problem. Netif requires page aligned buffers >> (in theory, sub-page grants are possible, but ill-advised for performance >> reasons). >> >> Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create >> which isn't page-aligned. It does need to go through Io_page to ensure it's >> page-aligned. >> >> We don't protect this distinction using phantom types, and it's bitten us >> several times now through these hard-to-spot dynamic failures :-/ >> >> Making Cstruct's always page aligned is too expensive for the 'casual' >> small Cstructs (as seen in OCaml TLS for example), so ensure your buffer >> originates from Io_page is the best bet for now. An issue on how to >> ensure this is checked statically would be good to have (but involve >> a fair bit of mechanical code motion). > > OK, that helps. > > On ARM, it still sometimes needs to retransmit though. In some > packets, only the first 128 bytes are correct and the rest are zero > (according to wireshark). The buffer I'm sending is statically > allocated, so it can't be getting freed too soon. How can the net > driver see zeros in the same physical page in which it already saw the > first part of the data? > > My test repository is here: > > https://github.com/talex5/net-problem I noticed I'm getting a lot of these in the dom0 log (dmsg): Jul 22 08:09:05 cubietruck kernel: [11892.128241] xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists Jul 22 08:09:05 cubietruck kernel: [11892.128727] xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists Jul 22 08:09:05 cubietruck kernel: [11892.133264] xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists Jul 22 08:09:09 cubietruck kernel: [11896.041106] xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 08:10:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 08:10:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VA1-0004Li-PK; Tue, 22 Jul 2014 08:10:57 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VA0-0004Lc-QD for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 08:10:57 +0000 Received: from [193.109.254.147:3261] by server-10.bemta-14.messagelabs.com id C3/A5-06615-09C1EC35; Tue, 22 Jul 2014 08:10:56 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1406016654!18722804!1 X-Originating-IP: [209.85.219.49] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12831 invoked from network); 22 Jul 2014 08:10:55 -0000 Received: from mail-oa0-f49.google.com (HELO mail-oa0-f49.google.com) (209.85.219.49) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 08:10:55 -0000 Received: by mail-oa0-f49.google.com with SMTP id eb12so9018062oac.22 for ; Tue, 22 Jul 2014 01:10:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=HtjyO6ULoEOcBZQgVuZYK5bP2f5BpDH5K0p3rpbEPHc=; b=Y8SGNT4HeWxvbZzqCkWDRq7vVPhk3P2xVYd1+3Acr65NeRAZzfedufTZpFJIAtuySn j2zv4TXucfIT5lF47U+fsM0H4NFTSJKQN3WOci6H8DaX/WOkbUb9UDqu8iM7GLSto1y0 K7RhekbtMS35Ho3hqpuL8yTVGmFag9yt/DC7oZnEKeBytIH+FVpsGkkTx+2j+ojLqjer yVfYk9MQ+XLfkQoLeIxRZV/j9gaPJQwRBIFKT03bxPzCDC8OBwyyIVGrdlCVsG+JUEu2 MDgWL+IJvq963gqgXbFC1e2JDpgkjca15Np+H3Lje64mesA+IfboJSMRYWm65dI6f6Xf eA0Q== MIME-Version: 1.0 X-Received: by 10.182.205.231 with SMTP id lj7mr18803751obc.37.1406016653929; Tue, 22 Jul 2014 01:10:53 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 22 Jul 2014 01:10:53 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Tue, 22 Jul 2014 09:10:53 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 08:44, Thomas Leonard wrote: > On 22 July 2014 04:00, Anil Madhavapeddy wrote: >> On 21 Jul 2014, at 16:10, Thomas Leonard wrote: >> >>> What are the rules about alignment for cstructs? >>> >>> Allocating the buffer like this works: >>> >>> let data = Io_page.get 1 |> Io_page.to_cstruct >>> let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 >>> (Buffer.length buffer) >>> >>> But using Cstruct.of_string doesn't. It does look like Netif assumes >>> the structs are page aligned. e.g. >>> >>> if page.Cstruct.off + len > page_size then begin >>> (* netback rejects packets that cross page boundaries *) >>> let msg = >>> Printf.sprintf "Invalid page: offset=%d, length=%d" >>> page.Cstruct.off len in >>> print_endline msg; >>> Lwt.fail (Failure msg) >>> end else >> >> Argh, this is exactly the problem. Netif requires page aligned buffers >> (in theory, sub-page grants are possible, but ill-advised for performance >> reasons). >> >> Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create >> which isn't page-aligned. It does need to go through Io_page to ensure it's >> page-aligned. >> >> We don't protect this distinction using phantom types, and it's bitten us >> several times now through these hard-to-spot dynamic failures :-/ >> >> Making Cstruct's always page aligned is too expensive for the 'casual' >> small Cstructs (as seen in OCaml TLS for example), so ensure your buffer >> originates from Io_page is the best bet for now. An issue on how to >> ensure this is checked statically would be good to have (but involve >> a fair bit of mechanical code motion). > > OK, that helps. > > On ARM, it still sometimes needs to retransmit though. In some > packets, only the first 128 bytes are correct and the rest are zero > (according to wireshark). The buffer I'm sending is statically > allocated, so it can't be getting freed too soon. How can the net > driver see zeros in the same physical page in which it already saw the > first part of the data? > > My test repository is here: > > https://github.com/talex5/net-problem I noticed I'm getting a lot of these in the dom0 log (dmsg): Jul 22 08:09:05 cubietruck kernel: [11892.128241] xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists Jul 22 08:09:05 cubietruck kernel: [11892.128727] xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists Jul 22 08:09:05 cubietruck kernel: [11892.133264] xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists Jul 22 08:09:09 cubietruck kernel: [11896.041106] xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 08:14:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 08:14:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VDl-0004Na-6g; Tue, 22 Jul 2014 08:14:49 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VDj-0004NV-B1 for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 08:14:47 +0000 Received: from [85.158.139.211:53799] by server-7.bemta-5.messagelabs.com id 88/20-30824-67D1EC35; Tue, 22 Jul 2014 08:14:46 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1406016885!11525847!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20642 invoked from network); 22 Jul 2014 08:14:45 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-206.messagelabs.com with SMTP; 22 Jul 2014 08:14:45 -0000 Received: (qmail 5644 invoked by uid 634); 22 Jul 2014 08:14:45 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-253.public.wayport.net (HELO [192.168.5.253]) (64.134.134.253) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 09:14:45 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 22 Jul 2014 01:14:41 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 Jul 2014, at 01:10, Thomas Leonard wrote: > > I noticed I'm getting a lot of these in the dom0 log (dmsg): > > Jul 22 08:09:05 cubietruck kernel: [11892.128241] > xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> > mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > Jul 22 08:09:05 cubietruck kernel: [11892.128727] > xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> > mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > Jul 22 08:09:05 cubietruck kernel: [11892.133264] > xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> > mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists > Jul 22 08:09:09 cubietruck kernel: [11896.041106] > xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> > mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists That looks like this bug in Xen/ARM/netback: http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 08:14:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 08:14:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VDl-0004Na-6g; Tue, 22 Jul 2014 08:14:49 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9VDj-0004NV-B1 for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 08:14:47 +0000 Received: from [85.158.139.211:53799] by server-7.bemta-5.messagelabs.com id 88/20-30824-67D1EC35; Tue, 22 Jul 2014 08:14:46 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1406016885!11525847!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20642 invoked from network); 22 Jul 2014 08:14:45 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-206.messagelabs.com with SMTP; 22 Jul 2014 08:14:45 -0000 Received: (qmail 5644 invoked by uid 634); 22 Jul 2014 08:14:45 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-253.public.wayport.net (HELO [192.168.5.253]) (64.134.134.253) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 09:14:45 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 22 Jul 2014 01:14:41 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 Jul 2014, at 01:10, Thomas Leonard wrote: > > I noticed I'm getting a lot of these in the dom0 log (dmsg): > > Jul 22 08:09:05 cubietruck kernel: [11892.128241] > xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> > mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > Jul 22 08:09:05 cubietruck kernel: [11892.128727] > xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> > mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > Jul 22 08:09:05 cubietruck kernel: [11892.133264] > xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> > mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists > Jul 22 08:09:09 cubietruck kernel: [11896.041106] > xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> > mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists That looks like this bug in Xen/ARM/netback: http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 09:01:30 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 09:01:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Vwt-0004o8-Nw; Tue, 22 Jul 2014 09:01:27 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Vws-0004o3-5M for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 09:01:26 +0000 Received: from [85.158.137.68:2501] by server-2.bemta-3.messagelabs.com id 0D/23-09149-5682EC35; Tue, 22 Jul 2014 09:01:25 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1406019683!17308134!1 X-Originating-IP: [209.85.218.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1535 invoked from network); 22 Jul 2014 09:01:24 -0000 Received: from mail-oi0-f50.google.com (HELO mail-oi0-f50.google.com) (209.85.218.50) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 09:01:24 -0000 Received: by mail-oi0-f50.google.com with SMTP id a141so4115783oig.37 for ; Tue, 22 Jul 2014 02:01:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=3Gm0VMlQwTjVa14JL//vwHuxotFSMIJM1VCzFyDKg40=; b=kcTHYxIRTt9bQqLUPtl+I7fjAusD0ppQR3C2GQw/rf2TJfhZBEojvuDXkGHThqcoJI Q5owFc78sLGtgukx0si3jSkf+vCkLXSONfMbCc/hG7gzH2Y6nW8s8WjcpnMghexh/8OT GYKO6rv8ju3JpC+JfYQORpqyo1BkeLsHLdEpWrC5+S+CjMP1lv66Yf6eEE/lnxhaw7GQ 7rPL8aEoJi2r0i5q+ReVKksGhkICfb/GMwMDTZHrtId7FzEqVVv+KQ2w3eiB+U1Fkt50 lrK5XLiO79GJyPbRd8Nnn2It3ZCS6rIf1+GkRyfSqOlDvB48W3XLtWD7Veel6N+oH0VU /F0Q== MIME-Version: 1.0 X-Received: by 10.60.52.115 with SMTP id s19mr45951079oeo.21.1406019682793; Tue, 22 Jul 2014 02:01:22 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 22 Jul 2014 02:01:22 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Tue, 22 Jul 2014 10:01:22 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 09:14, Anil Madhavapeddy wrote: > On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >> >> I noticed I'm getting a lot of these in the dom0 log (dmsg): >> >> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists > > That looks like this bug in Xen/ARM/netback: > http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html Aha! This seems to fix it (I can browse mirage-www without huge delays): diff --git a/lib/netif.ml b/lib/netif.ml index 4e02e5e..3cc7760 100644 --- a/lib/netif.ml +++ b/lib/netif.ml @@ -455,7 +455,7 @@ let writev nf pages = lwt rest_th = xmit other_pages in (* All fragments are now written, we can now notify the backend *) Lwt_ring.Front.push nf.t.tx_client (notify nf.t); - return () + join rest_th ) let wait_for_plug nf = Not very efficient, but at least it works! Looks like the Xen people will fix it at some point. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 09:01:30 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 09:01:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Vwt-0004o8-Nw; Tue, 22 Jul 2014 09:01:27 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Vws-0004o3-5M for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 09:01:26 +0000 Received: from [85.158.137.68:2501] by server-2.bemta-3.messagelabs.com id 0D/23-09149-5682EC35; Tue, 22 Jul 2014 09:01:25 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1406019683!17308134!1 X-Originating-IP: [209.85.218.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1535 invoked from network); 22 Jul 2014 09:01:24 -0000 Received: from mail-oi0-f50.google.com (HELO mail-oi0-f50.google.com) (209.85.218.50) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 09:01:24 -0000 Received: by mail-oi0-f50.google.com with SMTP id a141so4115783oig.37 for ; Tue, 22 Jul 2014 02:01:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=3Gm0VMlQwTjVa14JL//vwHuxotFSMIJM1VCzFyDKg40=; b=kcTHYxIRTt9bQqLUPtl+I7fjAusD0ppQR3C2GQw/rf2TJfhZBEojvuDXkGHThqcoJI Q5owFc78sLGtgukx0si3jSkf+vCkLXSONfMbCc/hG7gzH2Y6nW8s8WjcpnMghexh/8OT GYKO6rv8ju3JpC+JfYQORpqyo1BkeLsHLdEpWrC5+S+CjMP1lv66Yf6eEE/lnxhaw7GQ 7rPL8aEoJi2r0i5q+ReVKksGhkICfb/GMwMDTZHrtId7FzEqVVv+KQ2w3eiB+U1Fkt50 lrK5XLiO79GJyPbRd8Nnn2It3ZCS6rIf1+GkRyfSqOlDvB48W3XLtWD7Veel6N+oH0VU /F0Q== MIME-Version: 1.0 X-Received: by 10.60.52.115 with SMTP id s19mr45951079oeo.21.1406019682793; Tue, 22 Jul 2014 02:01:22 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 22 Jul 2014 02:01:22 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Tue, 22 Jul 2014 10:01:22 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 09:14, Anil Madhavapeddy wrote: > On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >> >> I noticed I'm getting a lot of these in the dom0 log (dmsg): >> >> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists > > That looks like this bug in Xen/ARM/netback: > http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html Aha! This seems to fix it (I can browse mirage-www without huge delays): diff --git a/lib/netif.ml b/lib/netif.ml index 4e02e5e..3cc7760 100644 --- a/lib/netif.ml +++ b/lib/netif.ml @@ -455,7 +455,7 @@ let writev nf pages = lwt rest_th = xmit other_pages in (* All fragments are now written, we can now notify the backend *) Lwt_ring.Front.push nf.t.tx_client (notify nf.t); - return () + join rest_th ) let wait_for_plug nf = Not very efficient, but at least it works! Looks like the Xen people will fix it at some point. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 12:18:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 12:18:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Z1D-00023u-BF; Tue, 22 Jul 2014 12:18:07 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Z1B-00023p-Vn for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 12:18:06 +0000 Received: from [85.158.139.211:9522] by server-2.bemta-5.messagelabs.com id 64/FE-29943-D765EC35; Tue, 22 Jul 2014 12:18:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-206.messagelabs.com!1406031484!16885558!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25524 invoked from network); 22 Jul 2014 12:18:04 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-206.messagelabs.com with SMTP; 22 Jul 2014 12:18:04 -0000 Received: (qmail 28800 invoked by uid 634); 22 Jul 2014 12:18:03 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-224.public.wayport.net (HELO [192.168.5.253]) (64.134.134.224) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 13:18:03 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 22 Jul 2014 05:17:57 -0700 Message-Id: <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 Jul 2014, at 02:01, Thomas Leonard wrote: > On 22 July 2014 09:14, Anil Madhavapeddy wrote: >> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>> >>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>> >>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists >> >> That looks like this bug in Xen/ARM/netback: >> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html > > Aha! This seems to fix it (I can browse mirage-www without huge delays): > > diff --git a/lib/netif.ml b/lib/netif.ml > index 4e02e5e..3cc7760 100644 > --- a/lib/netif.ml > +++ b/lib/netif.ml > @@ -455,7 +455,7 @@ let writev nf pages = > lwt rest_th = xmit other_pages in > (* All fragments are now written, we can now notify the backend *) > Lwt_ring.Front.push nf.t.tx_client (notify nf.t); > - return () > + join rest_th > ) > > let wait_for_plug nf = > > Not very efficient, but at least it works! Looks like the Xen people > will fix it at some point. That's going to serialize requests on the TX ring, isn't it? Might be worth making conditional via a feature flag if it's going to take x86 transmit performance down. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 12:18:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 12:18:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Z1D-00023u-BF; Tue, 22 Jul 2014 12:18:07 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9Z1B-00023p-Vn for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 12:18:06 +0000 Received: from [85.158.139.211:9522] by server-2.bemta-5.messagelabs.com id 64/FE-29943-D765EC35; Tue, 22 Jul 2014 12:18:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-206.messagelabs.com!1406031484!16885558!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25524 invoked from network); 22 Jul 2014 12:18:04 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-6.tower-206.messagelabs.com with SMTP; 22 Jul 2014 12:18:04 -0000 Received: (qmail 28800 invoked by uid 634); 22 Jul 2014 12:18:03 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-224.public.wayport.net (HELO [192.168.5.253]) (64.134.134.224) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 13:18:03 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 22 Jul 2014 05:17:57 -0700 Message-Id: <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 Jul 2014, at 02:01, Thomas Leonard wrote: > On 22 July 2014 09:14, Anil Madhavapeddy wrote: >> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>> >>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>> >>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists >> >> That looks like this bug in Xen/ARM/netback: >> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html > > Aha! This seems to fix it (I can browse mirage-www without huge delays): > > diff --git a/lib/netif.ml b/lib/netif.ml > index 4e02e5e..3cc7760 100644 > --- a/lib/netif.ml > +++ b/lib/netif.ml > @@ -455,7 +455,7 @@ let writev nf pages = > lwt rest_th = xmit other_pages in > (* All fragments are now written, we can now notify the backend *) > Lwt_ring.Front.push nf.t.tx_client (notify nf.t); > - return () > + join rest_th > ) > > let wait_for_plug nf = > > Not very efficient, but at least it works! Looks like the Xen people > will fix it at some point. That's going to serialize requests on the TX ring, isn't it? Might be worth making conditional via a feature flag if it's going to take x86 transmit performance down. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 16:02:03 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 16:02:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9cVq-0008Se-Gz; Tue, 22 Jul 2014 16:01:58 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9cVp-0008SL-9t for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 16:01:57 +0000 Received: from [193.109.254.147:18393] by server-16.bemta-14.messagelabs.com id C3/1F-14741-4FA8EC35; Tue, 22 Jul 2014 16:01:56 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1406044913!18953974!1 X-Originating-IP: [209.85.220.43] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30252 invoked from network); 22 Jul 2014 16:01:55 -0000 Received: from mail-pa0-f43.google.com (HELO mail-pa0-f43.google.com) (209.85.220.43) by server-15.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 16:01:55 -0000 Received: by mail-pa0-f43.google.com with SMTP id lf10so12365212pab.30 for ; Tue, 22 Jul 2014 09:01:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=DKiVH2RmmQNmoP2yXFn60Nn+YS9ZcIajLnDidc3WGDw=; b=WXh8MRrhsSrXTWYqaUcIhsKnm1X8ATPMHUJ76w1qPPD69FkOblLrVnIo/ZDpSFXg7y 4Er28fiV4Ue3n8fFzK3xVGhQfzShSDf6SF/nrO5E94noqALzTbXGxMbY3XMEdwvGi/CJ O20pkKY3fLtgPQeUSZNvYKnnIV1/nKl4z3ByxyXMHRgaVcGPHdbqLdPFr/argLkL2fPC NlNvft3UGCJ7PRDESU5Z4I/Mb7XR4rrGK3YxuhQPCO6KxwNsjJ4/B4oZFMbXDGv8UPX2 MVnpI2Wl7Cnto+6JDoQdcvx/XqaXMvErQEnRgYEBDeQpxB7goQd5GgxECfoe1io5LXhi DL5Q== MIME-Version: 1.0 X-Received: by 10.70.137.103 with SMTP id qh7mr2884955pdb.69.1406044912977; Tue, 22 Jul 2014 09:01:52 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Tue, 22 Jul 2014 09:01:52 -0700 (PDT) In-Reply-To: <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> Date: Tue, 22 Jul 2014 17:01:52 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4890593268669779676==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4890593268669779676== Content-Type: multipart/alternative; boundary=001a1135ecb4938d8c04feca5762 --001a1135ecb4938d8c04feca5762 Content-Type: text/plain; charset=UTF-8 I think for the earlier bug of a non-aligned buffer, we should make this a fatal error and stop the program: https://github.com/mirage/mirage-net-xen/issues/10 Maybe we can do something fancy with types later? Regarding a feature flag: it's a bit tricky if the feature is a bug fix since the buggy netbacks don't advertise the fact that they're buggy. To be reliable you'd have to assume the worst: if there's no feature flag (i.e. on all current kernels) take the slow path and wait for the 'feature-has-bugfix' in a recent kernel to filter down into distributions :( On Tue, Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy wrote: > On 22 Jul 2014, at 02:01, Thomas Leonard wrote: > > > On 22 July 2014 09:14, Anil Madhavapeddy wrote: > >> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: > >>> > >>> I noticed I'm getting a lot of these in the dom0 log (dmsg): > >>> > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] > >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> > >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] > >>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> > >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] > >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> > >>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists > >>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] > >>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> > >>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists > >> > >> That looks like this bug in Xen/ARM/netback: > >> > http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html > > > > Aha! This seems to fix it (I can browse mirage-www without huge delays): > > > > diff --git a/lib/netif.ml b/lib/netif.ml > > index 4e02e5e..3cc7760 100644 > > --- a/lib/netif.ml > > +++ b/lib/netif.ml > > @@ -455,7 +455,7 @@ let writev nf pages = > > lwt rest_th = xmit other_pages in > > (* All fragments are now written, we can now notify the backend > *) > > Lwt_ring.Front.push nf.t.tx_client (notify nf.t); > > - return () > > + join rest_th > > ) > > > > let wait_for_plug nf = > > > > Not very efficient, but at least it works! Looks like the Xen people > > will fix it at some point. > > That's going to serialize requests on the TX ring, isn't it? Might > be worth making conditional via a feature flag if it's going to take > x86 transmit performance down. > > -anil > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --001a1135ecb4938d8c04feca5762 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I think for the earlier bug of a non-aligned buffer, we sh= ould make this a fatal error and stop the program:


Maybe we can do something fancy with types later?=

Regarding a feature flag: it's a bit tricky i= f the feature is a bug fix since the buggy netbacks don't advertise the= fact that they're buggy. To be reliable you'd have to assume the w= orst: if there's no feature flag (i.e. on all current kernels) take the= slow path and wait for the 'feature-has-bugfix' in a recent kernel= to filter down into distributions :(


On Tue,= Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy <anil@recoil.org> wrote:
On 2= 2 Jul 2014, at 02:01, Thomas Leonard <talex5@gmail.com> wrote:

> On 22 July 2014 09:14, Anil Madhavapeddy <anil@recoil.org> wrote:
>> On 22 Jul 2014, at 01:10, Thomas Leonard <talex5@gmail.com> wrote:
>>>
>>> I noticed I'm getting a lot of these in the dom0 log (dmsg= ):
>>>
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -><= br> >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 alre= ady exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727]
>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -><= br> >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 alre= ady exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -><= br> >>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 alre= ady exists
>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -><= br> >>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 alre= ady exists
>>
>> That looks like this bug in Xen/ARM/netback:
>> http://lists.xenproject.org/archives/= html/xen-users/2014-07/msg00067.html
>
> Aha! This seems to fix it (I can browse mirage-www without huge delays= ):
>
> diff --git a/lib/netif.m= l b/lib/netif.ml
> index 4e02e5e..3cc7760 100644
> --- a/lib/netif.ml > +++ b/lib/netif.ml > @@ -455,7 +455,7 @@ let writev nf pages =3D
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0lwt rest_th =3D xmit other_pages in<= br> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(* All fragments are now written, we= can now notify the backend *)
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Lwt_ring.Front.push nf.t.tx_client (= notify nf.t);
> - =C2=A0 =C2=A0 =C2=A0 =C2=A0 return ()
> + =C2=A0 =C2=A0 =C2=A0 =C2=A0 join rest_th
> =C2=A0 =C2=A0 )
>
> let wait_for_plug nf =3D
>
> Not very efficient, but at least it works! Looks like the Xen people > will fix it at some point.

That's going to serialize requests on the TX ring, isn'= t it? =C2=A0Might
be worth making conditional via a feature flag if it's going to take x86 transmit performance down.

-anil

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--001a1135ecb4938d8c04feca5762-- --===============4890593268669779676== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4890593268669779676==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 16:02:03 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 16:02:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9cVq-0008Se-Gz; Tue, 22 Jul 2014 16:01:58 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9cVp-0008SL-9t for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 16:01:57 +0000 Received: from [193.109.254.147:18393] by server-16.bemta-14.messagelabs.com id C3/1F-14741-4FA8EC35; Tue, 22 Jul 2014 16:01:56 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1406044913!18953974!1 X-Originating-IP: [209.85.220.43] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30252 invoked from network); 22 Jul 2014 16:01:55 -0000 Received: from mail-pa0-f43.google.com (HELO mail-pa0-f43.google.com) (209.85.220.43) by server-15.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 22 Jul 2014 16:01:55 -0000 Received: by mail-pa0-f43.google.com with SMTP id lf10so12365212pab.30 for ; Tue, 22 Jul 2014 09:01:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=DKiVH2RmmQNmoP2yXFn60Nn+YS9ZcIajLnDidc3WGDw=; b=WXh8MRrhsSrXTWYqaUcIhsKnm1X8ATPMHUJ76w1qPPD69FkOblLrVnIo/ZDpSFXg7y 4Er28fiV4Ue3n8fFzK3xVGhQfzShSDf6SF/nrO5E94noqALzTbXGxMbY3XMEdwvGi/CJ O20pkKY3fLtgPQeUSZNvYKnnIV1/nKl4z3ByxyXMHRgaVcGPHdbqLdPFr/argLkL2fPC NlNvft3UGCJ7PRDESU5Z4I/Mb7XR4rrGK3YxuhQPCO6KxwNsjJ4/B4oZFMbXDGv8UPX2 MVnpI2Wl7Cnto+6JDoQdcvx/XqaXMvErQEnRgYEBDeQpxB7goQd5GgxECfoe1io5LXhi DL5Q== MIME-Version: 1.0 X-Received: by 10.70.137.103 with SMTP id qh7mr2884955pdb.69.1406044912977; Tue, 22 Jul 2014 09:01:52 -0700 (PDT) Received: by 10.70.11.65 with HTTP; Tue, 22 Jul 2014 09:01:52 -0700 (PDT) In-Reply-To: <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> Date: Tue, 22 Jul 2014 17:01:52 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4890593268669779676==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4890593268669779676== Content-Type: multipart/alternative; boundary=001a1135ecb4938d8c04feca5762 --001a1135ecb4938d8c04feca5762 Content-Type: text/plain; charset=UTF-8 I think for the earlier bug of a non-aligned buffer, we should make this a fatal error and stop the program: https://github.com/mirage/mirage-net-xen/issues/10 Maybe we can do something fancy with types later? Regarding a feature flag: it's a bit tricky if the feature is a bug fix since the buggy netbacks don't advertise the fact that they're buggy. To be reliable you'd have to assume the worst: if there's no feature flag (i.e. on all current kernels) take the slow path and wait for the 'feature-has-bugfix' in a recent kernel to filter down into distributions :( On Tue, Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy wrote: > On 22 Jul 2014, at 02:01, Thomas Leonard wrote: > > > On 22 July 2014 09:14, Anil Madhavapeddy wrote: > >> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: > >>> > >>> I noticed I'm getting a lot of these in the dom0 log (dmsg): > >>> > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] > >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> > >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] > >>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> > >>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] > >>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> > >>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists > >>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] > >>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> > >>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists > >> > >> That looks like this bug in Xen/ARM/netback: > >> > http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html > > > > Aha! This seems to fix it (I can browse mirage-www without huge delays): > > > > diff --git a/lib/netif.ml b/lib/netif.ml > > index 4e02e5e..3cc7760 100644 > > --- a/lib/netif.ml > > +++ b/lib/netif.ml > > @@ -455,7 +455,7 @@ let writev nf pages = > > lwt rest_th = xmit other_pages in > > (* All fragments are now written, we can now notify the backend > *) > > Lwt_ring.Front.push nf.t.tx_client (notify nf.t); > > - return () > > + join rest_th > > ) > > > > let wait_for_plug nf = > > > > Not very efficient, but at least it works! Looks like the Xen people > > will fix it at some point. > > That's going to serialize requests on the TX ring, isn't it? Might > be worth making conditional via a feature flag if it's going to take > x86 transmit performance down. > > -anil > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --001a1135ecb4938d8c04feca5762 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
I think for the earlier bug of a non-aligned buffer, we sh= ould make this a fatal error and stop the program:


Maybe we can do something fancy with types later?=

Regarding a feature flag: it's a bit tricky i= f the feature is a bug fix since the buggy netbacks don't advertise the= fact that they're buggy. To be reliable you'd have to assume the w= orst: if there's no feature flag (i.e. on all current kernels) take the= slow path and wait for the 'feature-has-bugfix' in a recent kernel= to filter down into distributions :(


On Tue,= Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy <anil@recoil.org> wrote:
On 2= 2 Jul 2014, at 02:01, Thomas Leonard <talex5@gmail.com> wrote:

> On 22 July 2014 09:14, Anil Madhavapeddy <anil@recoil.org> wrote:
>> On 22 Jul 2014, at 01:10, Thomas Leonard <talex5@gmail.com> wrote:
>>>
>>> I noticed I'm getting a lot of these in the dom0 log (dmsg= ):
>>>
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -><= br> >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 alre= ady exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727]
>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -><= br> >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 alre= ady exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -><= br> >>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 alre= ady exists
>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -><= br> >>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 alre= ady exists
>>
>> That looks like this bug in Xen/ARM/netback:
>> http://lists.xenproject.org/archives/= html/xen-users/2014-07/msg00067.html
>
> Aha! This seems to fix it (I can browse mirage-www without huge delays= ):
>
> diff --git a/lib/netif.m= l b/lib/netif.ml
> index 4e02e5e..3cc7760 100644
> --- a/lib/netif.ml > +++ b/lib/netif.ml > @@ -455,7 +455,7 @@ let writev nf pages =3D
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0lwt rest_th =3D xmit other_pages in<= br> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0(* All fragments are now written, we= can now notify the backend *)
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Lwt_ring.Front.push nf.t.tx_client (= notify nf.t);
> - =C2=A0 =C2=A0 =C2=A0 =C2=A0 return ()
> + =C2=A0 =C2=A0 =C2=A0 =C2=A0 join rest_th
> =C2=A0 =C2=A0 )
>
> let wait_for_plug nf =3D
>
> Not very efficient, but at least it works! Looks like the Xen people > will fix it at some point.

That's going to serialize requests on the TX ring, isn'= t it? =C2=A0Might
be worth making conditional via a feature flag if it's going to take x86 transmit performance down.

-anil

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists= .xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel



--
= Dave Scott
--001a1135ecb4938d8c04feca5762-- --===============4890593268669779676== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4890593268669779676==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 16:33:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 16:33:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9d0h-0003DX-Cm; Tue, 22 Jul 2014 16:33:51 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9d0g-0003DO-9I for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 16:33:50 +0000 Received: from [85.158.137.68:11253] by server-13.bemta-3.messagelabs.com id 8F/B0-09942-D629EC35; Tue, 22 Jul 2014 16:33:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1406046827!17388185!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=2.1 required=7.0 tests=HTML_40_50,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_23,RCVD_NUMERIC_HELO,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12071 invoked from network); 22 Jul 2014 16:33:47 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-31.messagelabs.com with SMTP; 22 Jul 2014 16:33:47 -0000 Received: (qmail 2411 invoked by uid 634); 22 Jul 2014 16:33:47 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE,TVD_RCVD_IP X-Spam-Check-By: dark.recoil.org Received: from 67.23.204.226.freewirebroadband.com (HELO [10.10.33.226]) (67.23.204.226) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 17:33:45 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 22 Jul 2014 09:33:42 -0700 Message-Id: <4053F50A-A5FE-42BD-97BF-B6E83435D30F@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0522197763109965514==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0522197763109965514== Content-Type: multipart/alternative; boundary="Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391" --Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Fair point indeed. The consensus seems to be that ARM really needs to = support the multigrants, so we can just shift our ARM = minimum-hypervisor-version to Xen 4.5 when it's released anyway. Checking for page-aligned status before submitting does seem a good = idea. Why is `off` ignored in the grant? (I thought that could be = specified). Checking for a page aligned pointer seems more important, = as the `off` is relative to that. -anil On 22 Jul 2014, at 09:01, David Scott wrote: > I think for the earlier bug of a non-aligned buffer, we should make = this a fatal error and stop the program: >=20 > https://github.com/mirage/mirage-net-xen/issues/10 >=20 > Maybe we can do something fancy with types later? >=20 > Regarding a feature flag: it's a bit tricky if the feature is a bug = fix since the buggy netbacks don't advertise the fact that they're = buggy. To be reliable you'd have to assume the worst: if there's no = feature flag (i.e. on all current kernels) take the slow path and wait = for the 'feature-has-bugfix' in a recent kernel to filter down into = distributions :( >=20 >=20 > On Tue, Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy = wrote: > On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >=20 > > On 22 July 2014 09:14, Anil Madhavapeddy wrote: > >> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: > >>> > >>> I noticed I'm getting a lot of these in the dom0 log (dmsg): > >>> > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] > >>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -> > >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already = exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] > >>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -> > >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already = exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] > >>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -> > >>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 already = exists > >>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] > >>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -> > >>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 already = exists > >> > >> That looks like this bug in Xen/ARM/netback: > >> = http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html > > > > Aha! This seems to fix it (I can browse mirage-www without huge = delays): > > > > diff --git a/lib/netif.ml b/lib/netif.ml > > index 4e02e5e..3cc7760 100644 > > --- a/lib/netif.ml > > +++ b/lib/netif.ml > > @@ -455,7 +455,7 @@ let writev nf pages =3D > > lwt rest_th =3D xmit other_pages in > > (* All fragments are now written, we can now notify the = backend *) > > Lwt_ring.Front.push nf.t.tx_client (notify nf.t); > > - return () > > + join rest_th > > ) > > > > let wait_for_plug nf =3D > > > > Not very efficient, but at least it works! Looks like the Xen people > > will fix it at some point. >=20 > That's going to serialize requests on the TX ring, isn't it? Might > be worth making conditional via a feature flag if it's going to take > x86 transmit performance down. >=20 > -anil >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 >=20 >=20 > --=20 > Dave Scott > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Fair = point indeed. The consensus seems to be that ARM really needs to support = the multigrants, so we can just shift our ARM minimum-hypervisor-version = to Xen 4.5 when it's released anyway.

Checking for = page-aligned status before submitting does seem a good idea.  Why = is `off` ignored in the grant? (I thought that could be specified). =  Checking for a page aligned pointer seems more important, as the = `off` is relative to = that.

-anil

On 22 = Jul 2014, at 09:01, David Scott <scott.dj@gmail.com> = wrote:

I think for the earlier bug of a = non-aligned buffer, we should make this a fatal error and stop the = program:


Maybe we can do something fancy with types = later?

Regarding a feature flag: it's a bit = tricky if the feature is a bug fix since the buggy netbacks don't = advertise the fact that they're buggy. To be reliable you'd have to = assume the worst: if there's no feature flag (i.e. on all current = kernels) take the slow path and wait for the 'feature-has-bugfix' in a = recent kernel to filter down into distributions :(


On = Tue, Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy <anil@recoil.org> wrote:
On 22 Jul 2014, at 02:01, Thomas = Leonard <talex5@gmail.com> = wrote:

> On 22 July 2014 09:14, Anil Madhavapeddy <anil@recoil.org> wrote:
>> On 22 Jul 2014, at 01:10, Thomas Leonard <talex5@gmail.com> wrote:
>>>
>>> I noticed I'm getting a lot of these in the dom0 log = (dmsg):
>>>
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe = ->
>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 = already exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727]
>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb = ->
>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 = already exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 = ->
>>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 = already exists
>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a = ->
>>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 = already exists
>>
>> That looks like this bug in Xen/ARM/netback:
>> http://lists.xenproject.org/archives/html/xen-users/2014= -07/msg00067.html
>
> Aha! This seems to fix it (I can browse mirage-www without huge = delays):
>
> diff --git a/lib/netif.ml b/lib/netif.ml
> index 4e02e5e..3cc7760 100644
> --- a/lib/netif.ml
> +++ b/lib/netif.ml
> @@ -455,7 +455,7 @@ let writev nf pages =3D
>          lwt rest_th =3D xmit other_pages = in
>          (* All fragments are now written, = we can now notify the backend *)
>          Lwt_ring.Front.push = nf.t.tx_client (notify nf.t);
> -         return ()
> +         join rest_th
>     )
>
> let wait_for_plug nf =3D
>
> Not very efficient, but at least it works! Looks like the Xen = people
> will fix it at some point.

That's going to serialize requests on the TX ring, isn't it? =  Might
be worth making conditional via a feature flag if it's going to take
x86 transmit performance down.

-anil

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mir= ageos-devel



-- =
Dave Scott
_______________________________________________
MirageOS-devel = mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391-- --===============0522197763109965514== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0522197763109965514==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 16:33:56 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 16:33:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9d0h-0003DX-Cm; Tue, 22 Jul 2014 16:33:51 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9d0g-0003DO-9I for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 16:33:50 +0000 Received: from [85.158.137.68:11253] by server-13.bemta-3.messagelabs.com id 8F/B0-09942-D629EC35; Tue, 22 Jul 2014 16:33:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1406046827!17388185!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=2.1 required=7.0 tests=HTML_40_50,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_23,RCVD_NUMERIC_HELO,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12071 invoked from network); 22 Jul 2014 16:33:47 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-5.tower-31.messagelabs.com with SMTP; 22 Jul 2014 16:33:47 -0000 Received: (qmail 2411 invoked by uid 634); 22 Jul 2014 16:33:47 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE,TVD_RCVD_IP X-Spam-Check-By: dark.recoil.org Received: from 67.23.204.226.freewirebroadband.com (HELO [10.10.33.226]) (67.23.204.226) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 17:33:45 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Tue, 22 Jul 2014 09:33:42 -0700 Message-Id: <4053F50A-A5FE-42BD-97BF-B6E83435D30F@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0522197763109965514==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0522197763109965514== Content-Type: multipart/alternative; boundary="Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391" --Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Fair point indeed. The consensus seems to be that ARM really needs to = support the multigrants, so we can just shift our ARM = minimum-hypervisor-version to Xen 4.5 when it's released anyway. Checking for page-aligned status before submitting does seem a good = idea. Why is `off` ignored in the grant? (I thought that could be = specified). Checking for a page aligned pointer seems more important, = as the `off` is relative to that. -anil On 22 Jul 2014, at 09:01, David Scott wrote: > I think for the earlier bug of a non-aligned buffer, we should make = this a fatal error and stop the program: >=20 > https://github.com/mirage/mirage-net-xen/issues/10 >=20 > Maybe we can do something fancy with types later? >=20 > Regarding a feature flag: it's a bit tricky if the feature is a bug = fix since the buggy netbacks don't advertise the fact that they're = buggy. To be reliable you'd have to assume the worst: if there's no = feature flag (i.e. on all current kernels) take the slow path and wait = for the 'feature-has-bugfix' in a recent kernel to filter down into = distributions :( >=20 >=20 > On Tue, Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy = wrote: > On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >=20 > > On 22 July 2014 09:14, Anil Madhavapeddy wrote: > >> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: > >>> > >>> I noticed I'm getting a lot of these in the dom0 log (dmsg): > >>> > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] > >>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -> > >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already = exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] > >>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -> > >>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already = exists > >>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] > >>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -> > >>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 already = exists > >>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] > >>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -> > >>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 already = exists > >> > >> That looks like this bug in Xen/ARM/netback: > >> = http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html > > > > Aha! This seems to fix it (I can browse mirage-www without huge = delays): > > > > diff --git a/lib/netif.ml b/lib/netif.ml > > index 4e02e5e..3cc7760 100644 > > --- a/lib/netif.ml > > +++ b/lib/netif.ml > > @@ -455,7 +455,7 @@ let writev nf pages =3D > > lwt rest_th =3D xmit other_pages in > > (* All fragments are now written, we can now notify the = backend *) > > Lwt_ring.Front.push nf.t.tx_client (notify nf.t); > > - return () > > + join rest_th > > ) > > > > let wait_for_plug nf =3D > > > > Not very efficient, but at least it works! Looks like the Xen people > > will fix it at some point. >=20 > That's going to serialize requests on the TX ring, isn't it? Might > be worth making conditional via a feature flag if it's going to take > x86 transmit performance down. >=20 > -anil >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 >=20 >=20 > --=20 > Dave Scott > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Fair = point indeed. The consensus seems to be that ARM really needs to support = the multigrants, so we can just shift our ARM minimum-hypervisor-version = to Xen 4.5 when it's released anyway.

Checking for = page-aligned status before submitting does seem a good idea.  Why = is `off` ignored in the grant? (I thought that could be specified). =  Checking for a page aligned pointer seems more important, as the = `off` is relative to = that.

-anil

On 22 = Jul 2014, at 09:01, David Scott <scott.dj@gmail.com> = wrote:

I think for the earlier bug of a = non-aligned buffer, we should make this a fatal error and stop the = program:


Maybe we can do something fancy with types = later?

Regarding a feature flag: it's a bit = tricky if the feature is a bug fix since the buggy netbacks don't = advertise the fact that they're buggy. To be reliable you'd have to = assume the worst: if there's no feature flag (i.e. on all current = kernels) take the slow path and wait for the 'feature-has-bugfix' in a = recent kernel to filter down into distributions :(


On = Tue, Jul 22, 2014 at 1:17 PM, Anil Madhavapeddy <anil@recoil.org> wrote:
On 22 Jul 2014, at 02:01, Thomas = Leonard <talex5@gmail.com> = wrote:

> On 22 July 2014 09:14, Anil Madhavapeddy <anil@recoil.org> wrote:
>> On 22 Jul 2014, at 01:10, Thomas Leonard <talex5@gmail.com> wrote:
>>>
>>> I noticed I'm getting a lot of these in the dom0 log = (dmsg):
>>>
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe = ->
>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 = already exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727]
>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb = ->
>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 = already exists
>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 = ->
>>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 = already exists
>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106]
>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a = ->
>>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 = already exists
>>
>> That looks like this bug in Xen/ARM/netback:
>> http://lists.xenproject.org/archives/html/xen-users/2014= -07/msg00067.html
>
> Aha! This seems to fix it (I can browse mirage-www without huge = delays):
>
> diff --git a/lib/netif.ml b/lib/netif.ml
> index 4e02e5e..3cc7760 100644
> --- a/lib/netif.ml
> +++ b/lib/netif.ml
> @@ -455,7 +455,7 @@ let writev nf pages =3D
>          lwt rest_th =3D xmit other_pages = in
>          (* All fragments are now written, = we can now notify the backend *)
>          Lwt_ring.Front.push = nf.t.tx_client (notify nf.t);
> -         return ()
> +         join rest_th
>     )
>
> let wait_for_plug nf =3D
>
> Not very efficient, but at least it works! Looks like the Xen = people
> will fix it at some point.

That's going to serialize requests on the TX ring, isn't it? =  Might
be worth making conditional via a feature flag if it's going to take
x86 transmit performance down.

-anil

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mir= ageos-devel



-- =
Dave Scott
_______________________________________________
MirageOS-devel = mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel

= --Apple-Mail=_3B9511FD-5E4A-4842-9A7C-C6AF93182391-- --===============0522197763109965514== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0522197763109965514==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 16:45:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 16:45:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9dBX-0003pI-LD; Tue, 22 Jul 2014 16:45:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9dBV-0003p9-AT for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 16:45:01 +0000 Received: from [85.158.137.68:5864] by server-11.bemta-3.messagelabs.com id 8A/DE-04507-C059EC35; Tue, 22 Jul 2014 16:45:00 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406047499!17401227!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=1.4 required=7.0 tests=RCVD_NUMERIC_HELO X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26443 invoked from network); 22 Jul 2014 16:44:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 22 Jul 2014 16:44:59 -0000 Received: (qmail 744 invoked by uid 634); 22 Jul 2014 16:44:59 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,TVD_RCVD_IP X-Spam-Check-By: dark.recoil.org Received: from 67.23.204.226.freewirebroadband.com (HELO [10.10.33.226]) (67.23.204.226) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 17:44:59 +0100 From: Anil Madhavapeddy Date: Tue, 22 Jul 2014 09:44:56 -0700 Message-Id: <3DBC274F-2862-43D5-B625-CE6F83F7010E@recoil.org> To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Lars Kurth , Sarah Conway , Publicity list Subject: [MirageOS-devel] Mirage 2.0: a recap of the new features X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I just put up a recap of the recent Mirage 2.0 blogging efforts on the site: http://openmirage.org/blog/announcing-mirage-20-release Just wanted to say a big 'thank you!' to Amir for coordinating all of this so well, and to Thomas Gazagnaire, David Scott, Jon Ludlam, Hannes Mehnert, David Kaloper, Mindy Preston, Thomas Leonard, and Jeremy Yallop for taking the trouble to write all the excellent posts and great feedback on writing from the OCaml Labs team (particular props to Daniel Buenzli, who gave extensive feedback on a number of posts). Lars Kurth and Sarah Conway from the Xen/Linux Foundation have been incredibly helpful in putting the release together as well! The upstream Xen platform team has also been very responsive in reviewing our code contributions to MiniOS ARM, so thank you for helping us improve that aspect of Mirage so much with your comments. You may be wondering why there isn't a `mirage-2.0` package up in OPAM. The reason is that the library releases that comprise Mirage 2.0 are staggered, and have actually been steadily released over the last few months, and will continue to be cut into OPAM as they mature (particularly the ARM support). So you can get on with using the features now, and the precise version number of the main Mirage CLI tool isn't that important. Two areas that particularly need feedback are the ARM support [1], and applications that use the Irmin datastore. I'll be porting my website over to run off both when I get back from OSCON next week and will report back on how that goes! I quite like the idea of serving www.openmirage.org as a load-balanced cluster of Xen/ARM unikernels running across our home networks on a Beowulf cluster of Cubietrucks :-) [1] Getting started with Xen/ARM has never been simpler: just download the prebuilt images linked from the README in https://github.com/mirage/xen-arm-builder for your Cubieboard2/Cubietruck (which costs about 40 quid or so). best, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 22 16:45:05 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 22 Jul 2014 16:45:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9dBX-0003pI-LD; Tue, 22 Jul 2014 16:45:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9dBV-0003p9-AT for mirageos-devel@lists.xenproject.org; Tue, 22 Jul 2014 16:45:01 +0000 Received: from [85.158.137.68:5864] by server-11.bemta-3.messagelabs.com id 8A/DE-04507-C059EC35; Tue, 22 Jul 2014 16:45:00 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406047499!17401227!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=1.4 required=7.0 tests=RCVD_NUMERIC_HELO X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26443 invoked from network); 22 Jul 2014 16:44:59 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 22 Jul 2014 16:44:59 -0000 Received: (qmail 744 invoked by uid 634); 22 Jul 2014 16:44:59 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,TVD_RCVD_IP X-Spam-Check-By: dark.recoil.org Received: from 67.23.204.226.freewirebroadband.com (HELO [10.10.33.226]) (67.23.204.226) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 22 Jul 2014 17:44:59 +0100 From: Anil Madhavapeddy Date: Tue, 22 Jul 2014 09:44:56 -0700 Message-Id: <3DBC274F-2862-43D5-B625-CE6F83F7010E@recoil.org> To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: Lars Kurth , Sarah Conway , Publicity list Subject: [MirageOS-devel] Mirage 2.0: a recap of the new features X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I just put up a recap of the recent Mirage 2.0 blogging efforts on the site: http://openmirage.org/blog/announcing-mirage-20-release Just wanted to say a big 'thank you!' to Amir for coordinating all of this so well, and to Thomas Gazagnaire, David Scott, Jon Ludlam, Hannes Mehnert, David Kaloper, Mindy Preston, Thomas Leonard, and Jeremy Yallop for taking the trouble to write all the excellent posts and great feedback on writing from the OCaml Labs team (particular props to Daniel Buenzli, who gave extensive feedback on a number of posts). Lars Kurth and Sarah Conway from the Xen/Linux Foundation have been incredibly helpful in putting the release together as well! The upstream Xen platform team has also been very responsive in reviewing our code contributions to MiniOS ARM, so thank you for helping us improve that aspect of Mirage so much with your comments. You may be wondering why there isn't a `mirage-2.0` package up in OPAM. The reason is that the library releases that comprise Mirage 2.0 are staggered, and have actually been steadily released over the last few months, and will continue to be cut into OPAM as they mature (particularly the ARM support). So you can get on with using the features now, and the precise version number of the main Mirage CLI tool isn't that important. Two areas that particularly need feedback are the ARM support [1], and applications that use the Irmin datastore. I'll be porting my website over to run off both when I get back from OSCON next week and will report back on how that goes! I quite like the idea of serving www.openmirage.org as a load-balanced cluster of Xen/ARM unikernels running across our home networks on a Beowulf cluster of Cubietrucks :-) [1] Getting started with Xen/ARM has never been simpler: just download the prebuilt images linked from the README in https://github.com/mirage/xen-arm-builder for your Cubieboard2/Cubietruck (which costs about 40 quid or so). best, Anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 23 07:11:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 23 Jul 2014 07:11:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9qhS-0003s2-KR; Wed, 23 Jul 2014 07:10:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9qhS-0003rx-1d for mirageos-devel@lists.xenproject.org; Wed, 23 Jul 2014 07:10:54 +0000 Received: from [85.158.137.68:52991] by server-12.bemta-3.messagelabs.com id 7B/DF-02460-DFF5FC35; Wed, 23 Jul 2014 07:10:53 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1406099451!17398665!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8632 invoked from network); 23 Jul 2014 07:10:52 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 23 Jul 2014 07:10:52 -0000 Received: by mail-oa0-f50.google.com with SMTP id g18so1066441oah.23 for ; Wed, 23 Jul 2014 00:10:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=G5U//KhSKxHj5yxhIPI/QaMqR2QzCRNfjFkbuBhj9T0=; b=DoPjlu9F4p6BskTcJdEycxKORfuEnt/B5tIfMHHquiaguVIwy2HfyMIquHgWc8z6Pd GQcCGIfyZGh+eHT7YB+ZskNBOIeq4JCFDUVQFofQNWIqpJKWb2dHpmOVrgdw2Bi1VbNP zmnik6V9hPpanSoVU/VSIhfjDjJguPe2n4Q/OJtj9YozuW/sG+swbxo43qp+O0s1OPtI MKveLSv66AYNAxdkuq4n5wm4vwlf9TuqNCZV3ZJAH8guGfjZJs504k9PUSg6bHge6brZ MI0B6b4P+yOgdCnkkFlWjWIhtbuSBh5pz7nscl1F/MJSPb5jUddbCnZZPEs959MMH1aK qzKQ== MIME-Version: 1.0 X-Received: by 10.182.205.231 with SMTP id lj7mr29320057obc.37.1406099450498; Wed, 23 Jul 2014 00:10:50 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 23 Jul 2014 00:10:50 -0700 (PDT) In-Reply-To: <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> Date: Wed, 23 Jul 2014 08:10:50 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 13:17, Anil Madhavapeddy wrote: > On 22 Jul 2014, at 02:01, Thomas Leonard wrote: > >> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>> >>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>> >>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >>>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >>>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists >>> >>> That looks like this bug in Xen/ARM/netback: >>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html >> >> Aha! This seems to fix it (I can browse mirage-www without huge delays): >> >> diff --git a/lib/netif.ml b/lib/netif.ml >> index 4e02e5e..3cc7760 100644 >> --- a/lib/netif.ml >> +++ b/lib/netif.ml >> @@ -455,7 +455,7 @@ let writev nf pages = >> lwt rest_th = xmit other_pages in >> (* All fragments are now written, we can now notify the backend *) >> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >> - return () >> + join rest_th >> ) >> >> let wait_for_plug nf = >> >> Not very efficient, but at least it works! Looks like the Xen people >> will fix it at some point. > > That's going to serialize requests on the TX ring, isn't it? Might > be worth making conditional via a feature flag if it's going to take > x86 transmit performance down. FLOW.writev is defined as: val writev : flow -> buffer list -> [`Ok of unit | `Eof | `Error of error ] io (** [writev flow buffers] will block until the contents of [buffer list] are all successfully transmitted to the remote endpoint. The result [`Ok ()] indicates success, [`Eof] indicates that the connection is now closed and [`Error] indicates some other error. *) I took this to mean that when you get `Ok back, the buffers are no longer needed and can be used for something else. Looking at the implementation, it seems that `Ok just means that the receiver has been given access to the buffers, but might not have read them yet. So actually, I think this change might be correct for x86 too, although perhaps it should be moved out of the mutex. (if you call writev with a singleton list then it does wait inside the mutex already) -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 23 07:11:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 23 Jul 2014 07:11:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9qhS-0003s2-KR; Wed, 23 Jul 2014 07:10:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9qhS-0003rx-1d for mirageos-devel@lists.xenproject.org; Wed, 23 Jul 2014 07:10:54 +0000 Received: from [85.158.137.68:52991] by server-12.bemta-3.messagelabs.com id 7B/DF-02460-DFF5FC35; Wed, 23 Jul 2014 07:10:53 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1406099451!17398665!1 X-Originating-IP: [209.85.219.50] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8632 invoked from network); 23 Jul 2014 07:10:52 -0000 Received: from mail-oa0-f50.google.com (HELO mail-oa0-f50.google.com) (209.85.219.50) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 23 Jul 2014 07:10:52 -0000 Received: by mail-oa0-f50.google.com with SMTP id g18so1066441oah.23 for ; Wed, 23 Jul 2014 00:10:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=G5U//KhSKxHj5yxhIPI/QaMqR2QzCRNfjFkbuBhj9T0=; b=DoPjlu9F4p6BskTcJdEycxKORfuEnt/B5tIfMHHquiaguVIwy2HfyMIquHgWc8z6Pd GQcCGIfyZGh+eHT7YB+ZskNBOIeq4JCFDUVQFofQNWIqpJKWb2dHpmOVrgdw2Bi1VbNP zmnik6V9hPpanSoVU/VSIhfjDjJguPe2n4Q/OJtj9YozuW/sG+swbxo43qp+O0s1OPtI MKveLSv66AYNAxdkuq4n5wm4vwlf9TuqNCZV3ZJAH8guGfjZJs504k9PUSg6bHge6brZ MI0B6b4P+yOgdCnkkFlWjWIhtbuSBh5pz7nscl1F/MJSPb5jUddbCnZZPEs959MMH1aK qzKQ== MIME-Version: 1.0 X-Received: by 10.182.205.231 with SMTP id lj7mr29320057obc.37.1406099450498; Wed, 23 Jul 2014 00:10:50 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 23 Jul 2014 00:10:50 -0700 (PDT) In-Reply-To: <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> Date: Wed, 23 Jul 2014 08:10:50 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 13:17, Anil Madhavapeddy wrote: > On 22 Jul 2014, at 02:01, Thomas Leonard wrote: > >> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>> >>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>> >>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >>>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >>>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists >>> >>> That looks like this bug in Xen/ARM/netback: >>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html >> >> Aha! This seems to fix it (I can browse mirage-www without huge delays): >> >> diff --git a/lib/netif.ml b/lib/netif.ml >> index 4e02e5e..3cc7760 100644 >> --- a/lib/netif.ml >> +++ b/lib/netif.ml >> @@ -455,7 +455,7 @@ let writev nf pages = >> lwt rest_th = xmit other_pages in >> (* All fragments are now written, we can now notify the backend *) >> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >> - return () >> + join rest_th >> ) >> >> let wait_for_plug nf = >> >> Not very efficient, but at least it works! Looks like the Xen people >> will fix it at some point. > > That's going to serialize requests on the TX ring, isn't it? Might > be worth making conditional via a feature flag if it's going to take > x86 transmit performance down. FLOW.writev is defined as: val writev : flow -> buffer list -> [`Ok of unit | `Eof | `Error of error ] io (** [writev flow buffers] will block until the contents of [buffer list] are all successfully transmitted to the remote endpoint. The result [`Ok ()] indicates success, [`Eof] indicates that the connection is now closed and [`Error] indicates some other error. *) I took this to mean that when you get `Ok back, the buffers are no longer needed and can be used for something else. Looking at the implementation, it seems that `Ok just means that the receiver has been given access to the buffers, but might not have read them yet. So actually, I think this change might be correct for x86 too, although perhaps it should be moved out of the mutex. (if you call writev with a singleton list then it does wait inside the mutex already) -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 23 09:47:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 23 Jul 2014 09:47:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9t8b-0007sc-0p; Wed, 23 Jul 2014 09:47:05 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9t8Z-0007sW-4k for mirageos-devel@lists.xenproject.org; Wed, 23 Jul 2014 09:47:03 +0000 Received: from [85.158.143.35:17796] by server-3.bemta-4.messagelabs.com id F0/9A-06192-6948FC35; Wed, 23 Jul 2014 09:47:02 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1406108821!19596109!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12314 invoked from network); 23 Jul 2014 09:47:01 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-9.tower-21.messagelabs.com with SMTP; 23 Jul 2014 09:47:01 -0000 X-IronPort-AV: E=Sophos;i="5.01,716,1400025600"; d="scan'208";a="23349979" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 23 Jul 2014 09:47:01 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL02.citrite.net ([10.69.46.33]) with mapi id 14.03.0181.006; Wed, 23 Jul 2014 11:47:00 +0200 From: Dave Scott To: Thomas Leonard Thread-Topic: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM Thread-Index: AQHPpYuIBxgRhFqKh0q2qXEpVAjF9pur4VKAgAE8hwCAACuggA== Date: Wed, 23 Jul 2014 09:46:59 +0000 Message-ID: <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.69.46.1] Content-ID: <056F14F83DCE7042AFB506FFC55A913F@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 23 Jul 2014, at 08:10, Thomas Leonard wrote: > On 22 July 2014 13:17, Anil Madhavapeddy wrote: >> On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >> = >>> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>>> = >>>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>>> = >>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -> >>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -> >>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -> >>>>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 already exists >>>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -> >>>>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 already exists >>>> = >>>> That looks like this bug in Xen/ARM/netback: >>>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.h= tml >>> = >>> Aha! This seems to fix it (I can browse mirage-www without huge delays): >>> = >>> diff --git a/lib/netif.ml b/lib/netif.ml >>> index 4e02e5e..3cc7760 100644 >>> --- a/lib/netif.ml >>> +++ b/lib/netif.ml >>> @@ -455,7 +455,7 @@ let writev nf pages =3D >>> lwt rest_th =3D xmit other_pages in >>> (* All fragments are now written, we can now notify the backend= *) >>> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >>> - return () >>> + join rest_th >>> ) >>> = >>> let wait_for_plug nf =3D >>> = >>> Not very efficient, but at least it works! Looks like the Xen people >>> will fix it at some point. >> = >> That's going to serialize requests on the TX ring, isn't it? Might >> be worth making conditional via a feature flag if it's going to take >> x86 transmit performance down. > = > FLOW.writev is defined as: > = > val writev : flow -> buffer list -> [`Ok of unit | `Eof | `Error of erro= r ] io > (** [writev flow buffers] will block until the contents of [buffer list] > are all successfully transmitted to the remote endpoint. The result > [`Ok ()] indicates success, [`Eof] indicates that the connection is = now > closed and [`Error] indicates some other error. *) > = > I took this to mean that when you get `Ok back, the buffers are no > longer needed and can be used for something else. Looking at the > implementation, it seems that `Ok just means that the receiver has > been given access to the buffers, but might not have read them yet. > = > So actually, I think this change might be correct for x86 too, > although perhaps it should be moved out of the mutex. Yeah, I think you=92re right! I think it=92s time to think about running regular performance benchmarks. = Now that we have the little testvm[1] which can be controlled over vchan/HT= TP[2], we could add the iperf example code to it and then set up some test = cases. If we made the tests easy to script then we might be able to run the= m on the same hardware we use for Xenserver and benchmark them against Wind= ows and Linux. I wonder if we=92ll have to expand the FLOW interface a bit. I notice there= =92s a trend towards offering applications more control over queues (e.g. V= MDQ) so we might want to do the same. This would allow an app to =91push=92= requests onto the queue and block (which would itself block if the queue m= ax size was hit) and then wait for the work to be completed and the buffers= free. Cheers, Dave [1] https://github.com/mirage/xen-testvm [2] https://github.com/mirage/testvm-idl > = > (if you call writev with a singleton list then it does wait inside the > mutex already) > = > = > -- = > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 23 09:47:09 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 23 Jul 2014 09:47:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9t8b-0007sc-0p; Wed, 23 Jul 2014 09:47:05 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9t8Z-0007sW-4k for mirageos-devel@lists.xenproject.org; Wed, 23 Jul 2014 09:47:03 +0000 Received: from [85.158.143.35:17796] by server-3.bemta-4.messagelabs.com id F0/9A-06192-6948FC35; Wed, 23 Jul 2014 09:47:02 +0000 X-Env-Sender: Dave.Scott@citrix.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1406108821!19596109!1 X-Originating-IP: [185.25.65.24] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12314 invoked from network); 23 Jul 2014 09:47:01 -0000 Received: from smtp.ctxuk.citrix.com (HELO SMTP.EU.CITRIX.COM) (185.25.65.24) by server-9.tower-21.messagelabs.com with SMTP; 23 Jul 2014 09:47:01 -0000 X-IronPort-AV: E=Sophos;i="5.01,716,1400025600"; d="scan'208";a="23349979" Received: from unknown (HELO AMSPEX01CL02.citrite.net) ([10.69.60.9]) by AMSPIP01.EU.Citrix.com with ESMTP; 23 Jul 2014 09:47:01 +0000 Received: from AMSPEX01CL03.citrite.net ([169.254.8.210]) by AMSPEX01CL02.citrite.net ([10.69.46.33]) with mapi id 14.03.0181.006; Wed, 23 Jul 2014 11:47:00 +0200 From: Dave Scott To: Thomas Leonard Thread-Topic: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM Thread-Index: AQHPpYuIBxgRhFqKh0q2qXEpVAjF9pur4VKAgAE8hwCAACuggA== Date: Wed, 23 Jul 2014 09:46:59 +0000 Message-ID: <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.69.46.1] Content-ID: <056F14F83DCE7042AFB506FFC55A913F@citrix.com> MIME-Version: 1.0 X-DLP: AMS1 Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 23 Jul 2014, at 08:10, Thomas Leonard wrote: > On 22 July 2014 13:17, Anil Madhavapeddy wrote: >> On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >> = >>> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>>> = >>>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>>> = >>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -> >>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -> >>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -> >>>>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 already exists >>>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -> >>>>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 already exists >>>> = >>>> That looks like this bug in Xen/ARM/netback: >>>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.h= tml >>> = >>> Aha! This seems to fix it (I can browse mirage-www without huge delays): >>> = >>> diff --git a/lib/netif.ml b/lib/netif.ml >>> index 4e02e5e..3cc7760 100644 >>> --- a/lib/netif.ml >>> +++ b/lib/netif.ml >>> @@ -455,7 +455,7 @@ let writev nf pages =3D >>> lwt rest_th =3D xmit other_pages in >>> (* All fragments are now written, we can now notify the backend= *) >>> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >>> - return () >>> + join rest_th >>> ) >>> = >>> let wait_for_plug nf =3D >>> = >>> Not very efficient, but at least it works! Looks like the Xen people >>> will fix it at some point. >> = >> That's going to serialize requests on the TX ring, isn't it? Might >> be worth making conditional via a feature flag if it's going to take >> x86 transmit performance down. > = > FLOW.writev is defined as: > = > val writev : flow -> buffer list -> [`Ok of unit | `Eof | `Error of erro= r ] io > (** [writev flow buffers] will block until the contents of [buffer list] > are all successfully transmitted to the remote endpoint. The result > [`Ok ()] indicates success, [`Eof] indicates that the connection is = now > closed and [`Error] indicates some other error. *) > = > I took this to mean that when you get `Ok back, the buffers are no > longer needed and can be used for something else. Looking at the > implementation, it seems that `Ok just means that the receiver has > been given access to the buffers, but might not have read them yet. > = > So actually, I think this change might be correct for x86 too, > although perhaps it should be moved out of the mutex. Yeah, I think you=92re right! I think it=92s time to think about running regular performance benchmarks. = Now that we have the little testvm[1] which can be controlled over vchan/HT= TP[2], we could add the iperf example code to it and then set up some test = cases. If we made the tests easy to script then we might be able to run the= m on the same hardware we use for Xenserver and benchmark them against Wind= ows and Linux. I wonder if we=92ll have to expand the FLOW interface a bit. I notice there= =92s a trend towards offering applications more control over queues (e.g. V= MDQ) so we might want to do the same. This would allow an app to =91push=92= requests onto the queue and block (which would itself block if the queue m= ax size was hit) and then wait for the work to be completed and the buffers= free. Cheers, Dave [1] https://github.com/mirage/xen-testvm [2] https://github.com/mirage/testvm-idl > = > (if you call writev with a singleton list then it does wait inside the > mutex already) > = > = > -- = > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 23 12:11:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 23 Jul 2014 12:11:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9vNp-0005Wi-H0; Wed, 23 Jul 2014 12:10:57 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9vNn-0005WV-E2 for mirageos-devel@lists.xenproject.org; Wed, 23 Jul 2014 12:10:55 +0000 Received: from [193.109.254.147:15975] by server-8.bemta-14.messagelabs.com id 46/00-07074-E46AFC35; Wed, 23 Jul 2014 12:10:54 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-27.messagelabs.com!1406117453!19063982!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12115 invoked from network); 23 Jul 2014 12:10:53 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-27.messagelabs.com with SMTP; 23 Jul 2014 12:10:53 -0000 Received: (qmail 24291 invoked by uid 634); 23 Jul 2014 12:10:53 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-106.public.wayport.net (HELO [192.168.5.253]) (64.134.134.106) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 23 Jul 2014 13:10:52 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Wed, 23 Jul 2014 05:10:49 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 23 Jul 2014, at 02:46, Dave Scott wrote: > On 23 Jul 2014, at 08:10, Thomas Leonard wrote: > = >> On 22 July 2014 13:17, Anil Madhavapeddy wrote: >>> On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >>> = >>>> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>>>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>>>> = >>>>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>>>> = >>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -> >>>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -> >>>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -> >>>>>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 already exists >>>>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -> >>>>>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 already exists >>>>> = >>>>> That looks like this bug in Xen/ARM/netback: >>>>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.= html >>>> = >>>> Aha! This seems to fix it (I can browse mirage-www without huge delays= ): >>>> = >>>> diff --git a/lib/netif.ml b/lib/netif.ml >>>> index 4e02e5e..3cc7760 100644 >>>> --- a/lib/netif.ml >>>> +++ b/lib/netif.ml >>>> @@ -455,7 +455,7 @@ let writev nf pages =3D >>>> lwt rest_th =3D xmit other_pages in >>>> (* All fragments are now written, we can now notify the backend= *) >>>> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >>>> - return () >>>> + join rest_th >>>> ) >>>> = >>>> let wait_for_plug nf =3D >>>> = >>>> Not very efficient, but at least it works! Looks like the Xen people >>>> will fix it at some point. >>> = >>> That's going to serialize requests on the TX ring, isn't it? Might >>> be worth making conditional via a feature flag if it's going to take >>> x86 transmit performance down. >> = >> FLOW.writev is defined as: >> = >> val writev : flow -> buffer list -> [`Ok of unit | `Eof | `Error of erro= r ] io >> (** [writev flow buffers] will block until the contents of [buffer list] >> are all successfully transmitted to the remote endpoint. The result >> [`Ok ()] indicates success, [`Eof] indicates that the connection is = now >> closed and [`Error] indicates some other error. *) >> = >> I took this to mean that when you get `Ok back, the buffers are no >> longer needed and can be used for something else. Looking at the >> implementation, it seems that `Ok just means that the receiver has >> been given access to the buffers, but might not have read them yet. >> = >> So actually, I think this change might be correct for x86 too, >> although perhaps it should be moved out of the mutex. > = > Yeah, I think you=92re right! > = Agreed. Could you drop in a pull request for that on mirage/mirage-net-xen= , Thomas? I'll test and merge on my Cubie to use for the OSCON talk tomorr= ow (now approaching fast :) > I think it=92s time to think about running regular performance benchmarks= . Now that we have the little testvm[1] which can be controlled over vchan/= HTTP[2], we could add the iperf example code to it and then set up some tes= t cases. If we made the tests easy to script then we might be able to run t= hem on the same hardware we use for Xenserver and benchmark them against Wi= ndows and Linux. > = I'd missed this! I can certainly arrange to have a dedicated Ubuntu box ru= n the tests regularly here in the Computer Lab and publish them to Git, if = you can provide an appropriate shell harness. Testing on both XenServer an= d Ubuntu's Xen should give us some spread in the software versions. > I wonder if we=92ll have to expand the FLOW interface a bit. I notice the= re=92s a trend towards offering applications more control over queues (e.g.= VMDQ) so we might want to do the same. This would allow an app to =91push= =92 requests onto the queue and block (which would itself block if the queu= e max size was hit) and then wait for the work to be completed and the buff= ers free. Yeah, and Core/Async Pipe model is a good way to model the interface here. -anil > = > Cheers, > Dave > = > [1] https://github.com/mirage/xen-testvm > [2] https://github.com/mirage/testvm-idl > = >> = >> (if you call writev with a singleton list then it does wait inside the >> mutex already) >> = >> = >> -- = >> Dr Thomas Leonard http://0install.net/ >> GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > = > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > = _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 23 12:11:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 23 Jul 2014 12:11:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9vNp-0005Wi-H0; Wed, 23 Jul 2014 12:10:57 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1X9vNn-0005WV-E2 for mirageos-devel@lists.xenproject.org; Wed, 23 Jul 2014 12:10:55 +0000 Received: from [193.109.254.147:15975] by server-8.bemta-14.messagelabs.com id 46/00-07074-E46AFC35; Wed, 23 Jul 2014 12:10:54 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-27.messagelabs.com!1406117453!19063982!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12115 invoked from network); 23 Jul 2014 12:10:53 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-10.tower-27.messagelabs.com with SMTP; 23 Jul 2014 12:10:53 -0000 Received: (qmail 24291 invoked by uid 634); 23 Jul 2014 12:10:53 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-106.public.wayport.net (HELO [192.168.5.253]) (64.134.134.106) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 23 Jul 2014 13:10:52 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Wed, 23 Jul 2014 05:10:49 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> To: David Scott X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 23 Jul 2014, at 02:46, Dave Scott wrote: > On 23 Jul 2014, at 08:10, Thomas Leonard wrote: > = >> On 22 July 2014 13:17, Anil Madhavapeddy wrote: >>> On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >>> = >>>> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>>>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>>>> = >>>>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>>>> = >>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079abe -> >>>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>>>> xen_add_mach_to_phys_entry: cannot add pfn=3D0x00079bcb -> >>>>>> mfn=3D0x000bed87: pfn=3D0x000799a6 -> mfn=3D0x000bed87 already exists >>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x00079b70 -> >>>>>> mfn=3D0x000bed87: pfn=3D0x00079bd7 -> mfn=3D0x000bed87 already exists >>>>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>>>> xen_add_phys_to_mach_entry: cannot add pfn=3D0x0007999a -> >>>>>> mfn=3D0x000bed87: pfn=3D0x00079b2b -> mfn=3D0x000bed87 already exists >>>>> = >>>>> That looks like this bug in Xen/ARM/netback: >>>>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.= html >>>> = >>>> Aha! This seems to fix it (I can browse mirage-www without huge delays= ): >>>> = >>>> diff --git a/lib/netif.ml b/lib/netif.ml >>>> index 4e02e5e..3cc7760 100644 >>>> --- a/lib/netif.ml >>>> +++ b/lib/netif.ml >>>> @@ -455,7 +455,7 @@ let writev nf pages =3D >>>> lwt rest_th =3D xmit other_pages in >>>> (* All fragments are now written, we can now notify the backend= *) >>>> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >>>> - return () >>>> + join rest_th >>>> ) >>>> = >>>> let wait_for_plug nf =3D >>>> = >>>> Not very efficient, but at least it works! Looks like the Xen people >>>> will fix it at some point. >>> = >>> That's going to serialize requests on the TX ring, isn't it? Might >>> be worth making conditional via a feature flag if it's going to take >>> x86 transmit performance down. >> = >> FLOW.writev is defined as: >> = >> val writev : flow -> buffer list -> [`Ok of unit | `Eof | `Error of erro= r ] io >> (** [writev flow buffers] will block until the contents of [buffer list] >> are all successfully transmitted to the remote endpoint. The result >> [`Ok ()] indicates success, [`Eof] indicates that the connection is = now >> closed and [`Error] indicates some other error. *) >> = >> I took this to mean that when you get `Ok back, the buffers are no >> longer needed and can be used for something else. Looking at the >> implementation, it seems that `Ok just means that the receiver has >> been given access to the buffers, but might not have read them yet. >> = >> So actually, I think this change might be correct for x86 too, >> although perhaps it should be moved out of the mutex. > = > Yeah, I think you=92re right! > = Agreed. Could you drop in a pull request for that on mirage/mirage-net-xen= , Thomas? I'll test and merge on my Cubie to use for the OSCON talk tomorr= ow (now approaching fast :) > I think it=92s time to think about running regular performance benchmarks= . Now that we have the little testvm[1] which can be controlled over vchan/= HTTP[2], we could add the iperf example code to it and then set up some tes= t cases. If we made the tests easy to script then we might be able to run t= hem on the same hardware we use for Xenserver and benchmark them against Wi= ndows and Linux. > = I'd missed this! I can certainly arrange to have a dedicated Ubuntu box ru= n the tests regularly here in the Computer Lab and publish them to Git, if = you can provide an appropriate shell harness. Testing on both XenServer an= d Ubuntu's Xen should give us some spread in the software versions. > I wonder if we=92ll have to expand the FLOW interface a bit. I notice the= re=92s a trend towards offering applications more control over queues (e.g.= VMDQ) so we might want to do the same. This would allow an app to =91push= =92 requests onto the queue and block (which would itself block if the queu= e max size was hit) and then wait for the work to be completed and the buff= ers free. Yeah, and Core/Async Pipe model is a good way to model the interface here. -anil > = > Cheers, > Dave > = > [1] https://github.com/mirage/xen-testvm > [2] https://github.com/mirage/testvm-idl > = >> = >> (if you call writev with a singleton list then it does wait inside the >> mutex already) >> = >> = >> -- = >> Dr Thomas Leonard http://0install.net/ >> GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > = > = > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > = _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:09:14 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:09:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9P0-0008GV-Tt; Thu, 24 Jul 2014 03:09:06 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9Oz-0008GQ-5C for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:09:05 +0000 Received: from [193.109.254.147:11601] by server-16.bemta-14.messagelabs.com id 72/1E-14741-0D870D35; Thu, 24 Jul 2014 03:09:04 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-9.tower-27.messagelabs.com!1406171343!19238580!1 X-Originating-IP: [151.236.209.33] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16378 invoked from network); 24 Jul 2014 03:09:03 -0000 Received: from engine01-20433-7.icritical.com (HELO engine01-20433-7.icritical.com) (151.236.209.33) by server-9.tower-27.messagelabs.com with SMTP; 24 Jul 2014 03:09:03 -0000 Received: (qmail 4746 invoked from network); 24 Jul 2014 03:09:02 -0000 Received: from localhost (127.0.0.1) by engine01-20433-7.icritical.com with SMTP; 24 Jul 2014 03:09:02 -0000 Received: from engine01-20433-7.icritical.com ([127.0.0.1]) by localhost (engine01-20433-7.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 04475-01 for ; Thu, 24 Jul 2014 04:08:55 +0100 (BST) Received: (qmail 4705 invoked by uid 599); 24 Jul 2014 03:08:55 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine01-20433-7.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 24 Jul 2014 04:08:55 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XA9Op-0008UV-4n for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 04:08:55 +0100 From: Richard Mortier To: "mirageos-devel@lists.xenproject.org" Date: Thu, 24 Jul 2014 04:08:43 +0100 Thread-Topic: oscon'14 deck Thread-Index: Ac+m7JndA2LpoltdSQCmiJwF5dqQlw== Message-ID: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-7.icritical.com Subject: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0218854926429518292==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0218854926429518292== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_DAD40C26-532D-42F7-98CE-B2CA7C9435CB"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_DAD40C26-532D-42F7-98CE-B2CA7C9435CB Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii ...is now live at decks.openmirage.org -- any last minute comments welcome. -- Cheers, R. --Apple-Mail=_DAD40C26-532D-42F7-98CE-B2CA7C9435CB Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT0Hi7AAoJEOLF27JWwSg3UOkP/3NzJ0zZt/0UlhFjRpZs+FX7 uBNXBqViQ61Ml2jeiT7DGH9Yr+JYN6jwn+2OD9LSDY+DoOug3aFIjwKhKHeaTN1+ XKQSisRbPyzeYF9PwFZoYCx6vqfVhm8gzQd6hi/ucwsgX9hw/B2AXOP1xjav2+iM v0hDcHW2rkhnRff6cC/CpZSLCDB2eK0AUIDYowTd9tvtbuo3zzsyjOyyZRjzBj52 1c2ST/b6VHJlIYAwSvSLV2+9ZiRAZvjXjOwitLeLKVP+BT8+2AeELRoiZP/Mr5ey MyA1nysTn8TcM/ToOvsL1TUqqNFCEDDOB7X+0l7FSO3rFNBGer3tIMQsUOsJwkfe 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"mirageos-devel@lists.xenproject.org" Date: Thu, 24 Jul 2014 04:08:43 +0100 Thread-Topic: oscon'14 deck Thread-Index: Ac+m7JndA2LpoltdSQCmiJwF5dqQlw== Message-ID: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-7.icritical.com Subject: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0218854926429518292==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0218854926429518292== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_DAD40C26-532D-42F7-98CE-B2CA7C9435CB"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_DAD40C26-532D-42F7-98CE-B2CA7C9435CB Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii ...is now live at decks.openmirage.org -- any last minute comments welcome. -- Cheers, R. --Apple-Mail=_DAD40C26-532D-42F7-98CE-B2CA7C9435CB Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT0Hi7AAoJEOLF27JWwSg3UOkP/3NzJ0zZt/0UlhFjRpZs+FX7 uBNXBqViQ61Ml2jeiT7DGH9Yr+JYN6jwn+2OD9LSDY+DoOug3aFIjwKhKHeaTN1+ XKQSisRbPyzeYF9PwFZoYCx6vqfVhm8gzQd6hi/ucwsgX9hw/B2AXOP1xjav2+iM v0hDcHW2rkhnRff6cC/CpZSLCDB2eK0AUIDYowTd9tvtbuo3zzsyjOyyZRjzBj52 1c2ST/b6VHJlIYAwSvSLV2+9ZiRAZvjXjOwitLeLKVP+BT8+2AeELRoiZP/Mr5ey MyA1nysTn8TcM/ToOvsL1TUqqNFCEDDOB7X+0l7FSO3rFNBGer3tIMQsUOsJwkfe 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Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9lW-0000B5-A6; Thu, 24 Jul 2014 03:32:22 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9lU-0000B0-IF for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:32:21 +0000 Received: from [85.158.143.35:44455] by server-2.bemta-4.messagelabs.com id 99/E3-04525-34E70D35; Thu, 24 Jul 2014 03:32:19 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-21.messagelabs.com!1406172738!12457299!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.2 required=7.0 tests=MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19690 invoked from network); 24 Jul 2014 03:32:18 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-21.messagelabs.com with SMTP; 24 Jul 2014 03:32:18 -0000 Received: (qmail 6069 invoked by uid 634); 24 Jul 2014 03:32:18 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-106.public.wayport.net (HELO [192.168.5.66]) (64.134.134.106) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 24 Jul 2014 04:32:14 +0100 References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Mime-Version: 1.0 (1.0) In-Reply-To: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Content-Type: multipart/mixed; boundary=Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Transfer-Encoding: 7bit Message-Id: <62376D48-E312-4385-93F6-2F941F9EB4DF@recoil.org> X-Mailer: iPhone Mail (11D257) From: Anil Madhavapeddy Date: Wed, 23 Jul 2014 20:32:07 -0700 To: Richard Mortier X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: 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ftJoxsur2KM4HzH5xmv09+GaXMl949vg7v8AadUMayZ6Y4r87vhNAkfxO8GRDcySX8bEMc4Iya/Q z4YSmPwl4guAqs8mrSk7hketfiPidW92MP63P33wrwStKrfqf//Z --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable > On 23 Jul 2014, at 20:08, Richard Mortier wrote: >=20 > ...is now live at decks.openmirage.org -- any last minute comments welcome= . >=20 > --=20 > Cheers, >=20 > R. >=20 >=20 >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:32:24 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:32:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9lW-0000B5-A6; Thu, 24 Jul 2014 03:32:22 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9lU-0000B0-IF for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:32:21 +0000 Received: from [85.158.143.35:44455] by server-2.bemta-4.messagelabs.com id 99/E3-04525-34E70D35; Thu, 24 Jul 2014 03:32:19 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-21.messagelabs.com!1406172738!12457299!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.2 required=7.0 tests=MIME_QP_LONG_LINE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19690 invoked from network); 24 Jul 2014 03:32:18 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-13.tower-21.messagelabs.com with SMTP; 24 Jul 2014 03:32:18 -0000 Received: (qmail 6069 invoked by uid 634); 24 Jul 2014 03:32:18 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-134-106.public.wayport.net (HELO [192.168.5.66]) (64.134.134.106) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 24 Jul 2014 04:32:14 +0100 References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Mime-Version: 1.0 (1.0) In-Reply-To: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Content-Type: multipart/mixed; boundary=Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Transfer-Encoding: 7bit Message-Id: <62376D48-E312-4385-93F6-2F941F9EB4DF@recoil.org> X-Mailer: iPhone Mail (11D257) From: Anil Madhavapeddy Date: Wed, 23 Jul 2014 20:32:07 -0700 To: Richard Mortier X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable And with Thomas' mirage-net-xen fix, it's being served off my Cubieboard2 no= w! -anil --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Type: image/jpeg; name=image.jpeg Content-Disposition: inline; filename=image.jpeg Content-Transfer-Encoding: base64 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DODxVbaFt45erGNzg9OMYFRTgoN3CUEpchJI7tOrxurRMctzuAPcZNUbjSNPluYbyTT7Jpo2yN5B KL7DFOjiiiFsEjUeY4B68561bkBW3jmDHfJOY/oAO1X9ZnD3YOxWJpQlTSaIFR4wyxCTejFQVzmP 3GKlgdXDLuyUkJ3Fcgen0NVjua6gy7/OMnn8KsxnYlxyWKy7cnvmprrldmdWBaUuRHT+ELNr3xX4 ftJoxsur2KM4HzH5xmv09+GaXMl949vg7v8AadUMayZ6Y4r87vhNAkfxO8GRDcySX8bEMc4Iya/Q z4YSmPwl4guAqs8mrSk7hketfiPidW92MP63P33wrwStKrfqf//Z --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable > On 23 Jul 2014, at 20:08, Richard Mortier wrote: >=20 > ...is now live at decks.openmirage.org -- any last minute comments welcome= . >=20 > --=20 > Cheers, >=20 > R. >=20 >=20 >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail-B093EB76-8202-4131-9874-ACA3F357A550-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:39:21 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:39:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9sH-0000MG-6C; Thu, 24 Jul 2014 03:39:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9sF-0000MB-Am for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:39:19 +0000 Received: from [85.158.137.68:53946] by server-10.bemta-3.messagelabs.com id 19/29-28313-6EF70D35; Thu, 24 Jul 2014 03:39:18 +0000 X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: server-16.tower-31.messagelabs.com!1406173157!17658342!1 X-Originating-IP: [217.70.183.196] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMjE3LjcwLjE4My4xOTYgPT4gMzk1MTY=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 350 invoked from network); 24 Jul 2014 03:39:17 -0000 Received: from relay4-d.mail.gandi.net (HELO relay4-d.mail.gandi.net) (217.70.183.196) by server-16.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 24 Jul 2014 03:39:17 -0000 Received: from mfilter21-d.gandi.net (mfilter21-d.gandi.net [217.70.178.149]) by relay4-d.mail.gandi.net (Postfix) with ESMTP id 63D0D17207C for ; Thu, 24 Jul 2014 05:39:17 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter21-d.gandi.net Received: from relay4-d.mail.gandi.net ([217.70.183.196]) by mfilter21-d.gandi.net (mfilter21-d.gandi.net [10.0.15.180]) (amavisd-new, port 10024) with ESMTP id jJ7WvQYOIuP4 for ; Thu, 24 Jul 2014 05:39:15 +0200 (CEST) X-Originating-IP: 71.86.229.122 Received: from [192.168.1.104] (71-86-229-122.static.ftbg.wi.charter.com [71.86.229.122]) (Authenticated sender: guybrush@somerandomidiot.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id A5E71172055 for ; Thu, 24 Jul 2014 05:39:15 +0200 (CEST) Message-ID: <53D07FDE.3080807@somerandomidiot.com> Date: Wed, 23 Jul 2014 22:39:10 -0500 From: Mindy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> In-Reply-To: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2881981448362942243==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============2881981448362942243== Content-Type: multipart/alternative; boundary="------------070102010103000604000503" This is a multi-part message in MIME format. --------------070102010103000604000503 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted? This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to Mirage!). I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt. I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :) On 07/23/2014 10:08 PM, Richard Mortier wrote: > ...is now live at decks.openmirage.org -- any last minute comments welcome. > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --------------070102010103000604000503 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted?

This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to Mirage!).  I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt.

I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :)

On 07/23/2014 10:08 PM, Richard Mortier wrote:
...is now live at decks.openmirage.org -- any last minute comments welcome.




_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

--------------070102010103000604000503-- --===============2881981448362942243== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2881981448362942243==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:39:21 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:39:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9sH-0000MG-6C; Thu, 24 Jul 2014 03:39:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XA9sF-0000MB-Am for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:39:19 +0000 Received: from [85.158.137.68:53946] by server-10.bemta-3.messagelabs.com id 19/29-28313-6EF70D35; Thu, 24 Jul 2014 03:39:18 +0000 X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: server-16.tower-31.messagelabs.com!1406173157!17658342!1 X-Originating-IP: [217.70.183.196] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMjE3LjcwLjE4My4xOTYgPT4gMzk1MTY=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 350 invoked from network); 24 Jul 2014 03:39:17 -0000 Received: from relay4-d.mail.gandi.net (HELO relay4-d.mail.gandi.net) (217.70.183.196) by server-16.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 24 Jul 2014 03:39:17 -0000 Received: from mfilter21-d.gandi.net (mfilter21-d.gandi.net [217.70.178.149]) by relay4-d.mail.gandi.net (Postfix) with ESMTP id 63D0D17207C for ; Thu, 24 Jul 2014 05:39:17 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter21-d.gandi.net Received: from relay4-d.mail.gandi.net ([217.70.183.196]) by mfilter21-d.gandi.net (mfilter21-d.gandi.net [10.0.15.180]) (amavisd-new, port 10024) with ESMTP id jJ7WvQYOIuP4 for ; Thu, 24 Jul 2014 05:39:15 +0200 (CEST) X-Originating-IP: 71.86.229.122 Received: from [192.168.1.104] (71-86-229-122.static.ftbg.wi.charter.com [71.86.229.122]) (Authenticated sender: guybrush@somerandomidiot.com) by relay4-d.mail.gandi.net (Postfix) with ESMTPSA id A5E71172055 for ; Thu, 24 Jul 2014 05:39:15 +0200 (CEST) Message-ID: <53D07FDE.3080807@somerandomidiot.com> Date: Wed, 23 Jul 2014 22:39:10 -0500 From: Mindy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> In-Reply-To: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2881981448362942243==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============2881981448362942243== Content-Type: multipart/alternative; boundary="------------070102010103000604000503" This is a multi-part message in MIME format. --------------070102010103000604000503 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted? This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to Mirage!). I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt. I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :) On 07/23/2014 10:08 PM, Richard Mortier wrote: > ...is now live at decks.openmirage.org -- any last minute comments welcome. > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --------------070102010103000604000503 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted?

This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to Mirage!).  I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt.

I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :)

On 07/23/2014 10:08 PM, Richard Mortier wrote:
...is now live at decks.openmirage.org -- any last minute comments welcome.




_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

--------------070102010103000604000503-- --===============2881981448362942243== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2881981448362942243==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:51:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:51:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA41-0000YD-MH; Thu, 24 Jul 2014 03:51:29 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA40-0000Y8-L4 for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:51:28 +0000 Received: from [85.158.137.68:55307] by server-2.bemta-3.messagelabs.com id 56/49-09149-FB280D35; Thu, 24 Jul 2014 03:51:27 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-16.tower-31.messagelabs.com!1406173886!17659208!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15402 invoked from network); 24 Jul 2014 03:51:26 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-16.tower-31.messagelabs.com with SMTP; 24 Jul 2014 03:51:26 -0000 Received: (qmail 24765 invoked from network); 24 Jul 2014 03:51:25 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 24 Jul 2014 03:51:25 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 23884-02 for ; Thu, 24 Jul 2014 04:51:18 +0100 (BST) Received: (qmail 24713 invoked by uid 599); 24 Jul 2014 03:51:18 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 24 Jul 2014 04:51:18 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XAA3q-0000MB-8N; Thu, 24 Jul 2014 04:51:18 +0100 From: Richard Mortier To: Mindy Date: Thu, 24 Jul 2014 04:51:14 +0100 Thread-Topic: [MirageOS-devel] oscon'14 deck Thread-Index: Ac+m8oXRtajQLRfSTreac2AypmuEkQ== Message-ID: <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> <53D07FDE.3080807@somerandomidiot.com> In-Reply-To: <53D07FDE.3080807@somerandomidiot.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1982896533035352857==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1982896533035352857== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0 Content-Type: multipart/alternative; boundary="Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25" --Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 i suspect the sheer awesome power of reveal.js has not been revealed :) = (admittedly the complete lack of instructions is not helpful here... ;)=20= it's a 2-d deck -- use the down arrow as well (when the navigation = arrows in the bottom right corner indicate it highlighted)... On 23 Jul 2014, at 20:39, Mindy wrote: > Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 = to me - if there's something different between them, maybe it should be = highlighted?=20 >=20 > This may just be because of my own background, but the slides under = (1) seem to me to say "you want Mirage because doing systems = administration at any kind of scale has these pain points and it will = help with them, and yes also this cool thing is actually usable", but = 3-5 is a really great call-to-action for our personal lives and the = private sphere (which is what brought me to Mirage!). I hope the talk = will link these things a bit more explicitly; it took me a minute's = puzzling to figure out why I found 3-5 to be a bit abrupt. >=20 > I look forward to the outpouring of delight and positive feeling I am = sure to see on Twitter tomorrow. :) >=20 > On 07/23/2014 10:08 PM, Richard Mortier wrote: >> ...is now live at decks.openmirage.org -- any last minute comments = welcome. >>=20 >>=20 >>=20 >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --=20 Cheers, R. --Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 i = suspect the sheer awesome power of reveal.js has not been revealed :) =  (admittedly the complete lack of instructions is not helpful = here... ;) 

it's a 2-d deck -- use the down = arrow as well (when the navigation arrows in the bottom right corner = indicate it highlighted)...

On 23 Jul 2014, = at 20:39, Mindy <mindy@somerandomidiot.com>= ; wrote:

=20 =20
Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted?

This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to = Mirage!).  I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt.

I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :)

On 07/23/2014 10:08 PM, Richard = Mortier wrote:
...is now live at decks.openmirage.org -- any =
last minute comments welcome.




_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.x=
enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=

_______________________________________________
MirageOS-devel = mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel


--
Cheers,
R.


= --Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25-- --Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT0IKyAAoJEOLF27JWwSg355cP/0UuSPimF8W+ED3aeet0/arP oGhK8v/AhT5lw4I/yolB8zkno/M+7PuIROrAFmlnT4msphsIuy+n+tRKFmpKJKAX RyK7EDP4mTU0WIRb89oa1aDN7Z3VGDKNL/gEL6dmX1Cp9V8W9fY1yZDx7jIMvfCh 9Y9p5Vp5PBhxeDMa3xwhlv4FrrqGV9uVw8MVxcCahYb+q4c6W1udV9TWrktCWoCG FnGUjvd2PcrMYPOJk7rgmg877u+nw9quvGqoNdCy/WBLnwJdmpxslUGJg7R7b1EO fVlK9z8VSj1Tfnn7l6j3uWHqRBQPFlkvvALcGUGsLXzcxY7ApngFdNkRCtr74mxZ WFW2kez54oDWznA6PU+xEADm4LQkTJ97JdU/CCVAsSb2Kk9+tnkRRWx87wAiJ5PN 485OT1OyhwWE2k28plEw+i4nx4dWKdZz3wEWjvcIP9ZntD4BOe6L3P6/b9EoYOuH Qi2K9OQyUg+plvhPKh6FL7k82fZGDwGCZiApsw3tbWN1ippNVrF0IdkKJBCuuqEy jRapz7P9z2gUfPsfIX6iIrDpZt5c9nMLB4jVCR/D70DYS2gdJPMoBTbPB+4fdl3s 5PFr4p19mlaKU9umqs50EJCVFegFXNJz1DAapYBUlVPANciGXqEutT5y1/Kb+uCs 8nlolLiaxZHLk1xca3Se =RSUo -----END PGP SIGNATURE----- --Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0-- --===============1982896533035352857== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1982896533035352857==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:51:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:51:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA41-0000YD-MH; Thu, 24 Jul 2014 03:51:29 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA40-0000Y8-L4 for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:51:28 +0000 Received: from [85.158.137.68:55307] by server-2.bemta-3.messagelabs.com id 56/49-09149-FB280D35; Thu, 24 Jul 2014 03:51:27 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-16.tower-31.messagelabs.com!1406173886!17659208!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15402 invoked from network); 24 Jul 2014 03:51:26 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-16.tower-31.messagelabs.com with SMTP; 24 Jul 2014 03:51:26 -0000 Received: (qmail 24765 invoked from network); 24 Jul 2014 03:51:25 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 24 Jul 2014 03:51:25 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 23884-02 for ; Thu, 24 Jul 2014 04:51:18 +0100 (BST) Received: (qmail 24713 invoked by uid 599); 24 Jul 2014 03:51:18 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 24 Jul 2014 04:51:18 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XAA3q-0000MB-8N; Thu, 24 Jul 2014 04:51:18 +0100 From: Richard Mortier To: Mindy Date: Thu, 24 Jul 2014 04:51:14 +0100 Thread-Topic: [MirageOS-devel] oscon'14 deck Thread-Index: Ac+m8oXRtajQLRfSTreac2AypmuEkQ== Message-ID: <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> <53D07FDE.3080807@somerandomidiot.com> In-Reply-To: <53D07FDE.3080807@somerandomidiot.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1982896533035352857==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1982896533035352857== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0 Content-Type: multipart/alternative; boundary="Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25" --Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 i suspect the sheer awesome power of reveal.js has not been revealed :) = (admittedly the complete lack of instructions is not helpful here... ;)=20= it's a 2-d deck -- use the down arrow as well (when the navigation = arrows in the bottom right corner indicate it highlighted)... On 23 Jul 2014, at 20:39, Mindy wrote: > Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 = to me - if there's something different between them, maybe it should be = highlighted?=20 >=20 > This may just be because of my own background, but the slides under = (1) seem to me to say "you want Mirage because doing systems = administration at any kind of scale has these pain points and it will = help with them, and yes also this cool thing is actually usable", but = 3-5 is a really great call-to-action for our personal lives and the = private sphere (which is what brought me to Mirage!). I hope the talk = will link these things a bit more explicitly; it took me a minute's = puzzling to figure out why I found 3-5 to be a bit abrupt. >=20 > I look forward to the outpouring of delight and positive feeling I am = sure to see on Twitter tomorrow. :) >=20 > On 07/23/2014 10:08 PM, Richard Mortier wrote: >> ...is now live at decks.openmirage.org -- any last minute comments = welcome. >>=20 >>=20 >>=20 >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --=20 Cheers, R. --Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 i = suspect the sheer awesome power of reveal.js has not been revealed :) =  (admittedly the complete lack of instructions is not helpful = here... ;) 

it's a 2-d deck -- use the down = arrow as well (when the navigation arrows in the bottom right corner = indicate it highlighted)...

On 23 Jul 2014, = at 20:39, Mindy <mindy@somerandomidiot.com>= ; wrote:

=20 =20
Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted?

This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to = Mirage!).  I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt.

I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :)

On 07/23/2014 10:08 PM, Richard = Mortier wrote:
...is now live at decks.openmirage.org -- any =
last minute comments welcome.




_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.x=
enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=

_______________________________________________
MirageOS-devel = mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/= mirageos-devel


--
Cheers,
R.


= --Apple-Mail=_AD0C5B27-B60B-4C8C-93E9-0277EE5B6E25-- --Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT0IKyAAoJEOLF27JWwSg355cP/0UuSPimF8W+ED3aeet0/arP oGhK8v/AhT5lw4I/yolB8zkno/M+7PuIROrAFmlnT4msphsIuy+n+tRKFmpKJKAX RyK7EDP4mTU0WIRb89oa1aDN7Z3VGDKNL/gEL6dmX1Cp9V8W9fY1yZDx7jIMvfCh 9Y9p5Vp5PBhxeDMa3xwhlv4FrrqGV9uVw8MVxcCahYb+q4c6W1udV9TWrktCWoCG FnGUjvd2PcrMYPOJk7rgmg877u+nw9quvGqoNdCy/WBLnwJdmpxslUGJg7R7b1EO fVlK9z8VSj1Tfnn7l6j3uWHqRBQPFlkvvALcGUGsLXzcxY7ApngFdNkRCtr74mxZ WFW2kez54oDWznA6PU+xEADm4LQkTJ97JdU/CCVAsSb2Kk9+tnkRRWx87wAiJ5PN 485OT1OyhwWE2k28plEw+i4nx4dWKdZz3wEWjvcIP9ZntD4BOe6L3P6/b9EoYOuH Qi2K9OQyUg+plvhPKh6FL7k82fZGDwGCZiApsw3tbWN1ippNVrF0IdkKJBCuuqEy jRapz7P9z2gUfPsfIX6iIrDpZt5c9nMLB4jVCR/D70DYS2gdJPMoBTbPB+4fdl3s 5PFr4p19mlaKU9umqs50EJCVFegFXNJz1DAapYBUlVPANciGXqEutT5y1/Kb+uCs 8nlolLiaxZHLk1xca3Se =RSUo -----END PGP SIGNATURE----- --Apple-Mail=_EB1D12F2-8C0F-46AB-ACDA-EC5AC119E9E0-- --===============1982896533035352857== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1982896533035352857==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:56:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:56:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA8y-0000aJ-8x; Thu, 24 Jul 2014 03:56:36 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA8x-0000aE-Dj for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:56:35 +0000 Received: from [85.158.143.35:22014] by server-3.bemta-4.messagelabs.com id C1/38-06192-2F380D35; Thu, 24 Jul 2014 03:56:34 +0000 X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: server-5.tower-21.messagelabs.com!1406174193!19745264!1 X-Originating-IP: [217.70.183.198] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11849 invoked from network); 24 Jul 2014 03:56:33 -0000 Received: from relay6-d.mail.gandi.net (HELO relay6-d.mail.gandi.net) (217.70.183.198) by server-5.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 24 Jul 2014 03:56:33 -0000 Received: from mfilter20-d.gandi.net (mfilter20-d.gandi.net [217.70.178.148]) by relay6-d.mail.gandi.net (Postfix) with ESMTP id 06648FB87E; Thu, 24 Jul 2014 05:56:33 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter20-d.gandi.net Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by mfilter20-d.gandi.net (mfilter20-d.gandi.net [10.0.15.180]) (amavisd-new, port 10024) with ESMTP id Ncx3N7WiJKmw; Thu, 24 Jul 2014 05:56:31 +0200 (CEST) X-Originating-IP: 71.86.229.122 Received: from [192.168.1.104] (71-86-229-122.static.ftbg.wi.charter.com [71.86.229.122]) (Authenticated sender: guybrush@somerandomidiot.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 97756FB874; Thu, 24 Jul 2014 05:56:30 +0200 (CEST) Message-ID: <53D083E9.7080209@somerandomidiot.com> Date: Wed, 23 Jul 2014 22:56:25 -0500 From: Mindy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Richard Mortier References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> <53D07FDE.3080807@somerandomidiot.com> <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> In-Reply-To: <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3789956172720138910==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============3789956172720138910== Content-Type: multipart/alternative; boundary="------------050606030609000701040807" This is a multi-part message in MIME format. --------------050606030609000701040807 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Aha, so you *always* give the talk progressing downward, such that you visit 3 after the last slide in 2. I had imagined the 2D functionality as allowing for digressions/elaborations, kind of like backup slides. Anyway, sorry for the confusion! GUIs are tough; let's go systems programming. On 07/23/2014 10:51 PM, Richard Mortier wrote: > i suspect the sheer awesome power of reveal.js has not been revealed > :) (admittedly the complete lack of instructions is not helpful > here... ;) > > it's a 2-d deck -- use the down arrow as well (when the navigation > arrows in the bottom right corner indicate it highlighted)... > > On 23 Jul 2014, at 20:39, Mindy > wrote: > >> Slide 3 looks like a bullet-point-boundary-adjusted version of slide >> 2 to me - if there's something different between them, maybe it >> should be highlighted? >> >> This may just be because of my own background, but the slides under >> (1) seem to me to say "you want Mirage because doing systems >> administration at any kind of scale has these pain points and it will >> help with them, and yes also this cool thing is actually usable", but >> 3-5 is a really great call-to-action for our personal lives and the >> private sphere (which is what brought me to Mirage!). I hope the >> talk will link these things a bit more explicitly; it took me a >> minute's puzzling to figure out why I found 3-5 to be a bit abrupt. >> >> I look forward to the outpouring of delight and positive feeling I am >> sure to see on Twitter tomorrow. :) >> >> On 07/23/2014 10:08 PM, Richard Mortier wrote: >>> ...is now live atdecks.openmirage.org -- any last minute comments welcome. >>> >>> >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > -- > Cheers, > > R. > > > > --------------050606030609000701040807 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Aha, so you *always* give the talk progressing downward, such that you visit 3 after the last slide in 2.  I had imagined the 2D functionality as allowing for digressions/elaborations, kind of like backup slides.

Anyway, sorry for the confusion!  GUIs are tough; let's go systems programming.

On 07/23/2014 10:51 PM, Richard Mortier wrote:
i suspect the sheer awesome power of reveal.js has not been revealed :)  (admittedly the complete lack of instructions is not helpful here... ;) 

it's a 2-d deck -- use the down arrow as well (when the navigation arrows in the bottom right corner indicate it highlighted)...

On 23 Jul 2014, at 20:39, Mindy <mindy@somerandomidiot.com> wrote:

Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted?

This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to Mirage!).  I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt.

I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :)

On 07/23/2014 10:08 PM, Richard Mortier wrote:
...is now live at decks.openmirage.org -- any last minute comments welcome.




_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel


-- 
Cheers,

R.





--------------050606030609000701040807-- --===============3789956172720138910== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3789956172720138910==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 03:56:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 03:56:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA8y-0000aJ-8x; Thu, 24 Jul 2014 03:56:36 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAA8x-0000aE-Dj for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 03:56:35 +0000 Received: from [85.158.143.35:22014] by server-3.bemta-4.messagelabs.com id C1/38-06192-2F380D35; Thu, 24 Jul 2014 03:56:34 +0000 X-Env-Sender: mindy@somerandomidiot.com X-Msg-Ref: server-5.tower-21.messagelabs.com!1406174193!19745264!1 X-Originating-IP: [217.70.183.198] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11849 invoked from network); 24 Jul 2014 03:56:33 -0000 Received: from relay6-d.mail.gandi.net (HELO relay6-d.mail.gandi.net) (217.70.183.198) by server-5.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 24 Jul 2014 03:56:33 -0000 Received: from mfilter20-d.gandi.net (mfilter20-d.gandi.net [217.70.178.148]) by relay6-d.mail.gandi.net (Postfix) with ESMTP id 06648FB87E; Thu, 24 Jul 2014 05:56:33 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at mfilter20-d.gandi.net Received: from relay6-d.mail.gandi.net ([217.70.183.198]) by mfilter20-d.gandi.net (mfilter20-d.gandi.net [10.0.15.180]) (amavisd-new, port 10024) with ESMTP id Ncx3N7WiJKmw; Thu, 24 Jul 2014 05:56:31 +0200 (CEST) X-Originating-IP: 71.86.229.122 Received: from [192.168.1.104] (71-86-229-122.static.ftbg.wi.charter.com [71.86.229.122]) (Authenticated sender: guybrush@somerandomidiot.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id 97756FB874; Thu, 24 Jul 2014 05:56:30 +0200 (CEST) Message-ID: <53D083E9.7080209@somerandomidiot.com> Date: Wed, 23 Jul 2014 22:56:25 -0500 From: Mindy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Richard Mortier References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> <53D07FDE.3080807@somerandomidiot.com> <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> In-Reply-To: <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3789956172720138910==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============3789956172720138910== Content-Type: multipart/alternative; boundary="------------050606030609000701040807" This is a multi-part message in MIME format. --------------050606030609000701040807 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Aha, so you *always* give the talk progressing downward, such that you visit 3 after the last slide in 2. I had imagined the 2D functionality as allowing for digressions/elaborations, kind of like backup slides. Anyway, sorry for the confusion! GUIs are tough; let's go systems programming. On 07/23/2014 10:51 PM, Richard Mortier wrote: > i suspect the sheer awesome power of reveal.js has not been revealed > :) (admittedly the complete lack of instructions is not helpful > here... ;) > > it's a 2-d deck -- use the down arrow as well (when the navigation > arrows in the bottom right corner indicate it highlighted)... > > On 23 Jul 2014, at 20:39, Mindy > wrote: > >> Slide 3 looks like a bullet-point-boundary-adjusted version of slide >> 2 to me - if there's something different between them, maybe it >> should be highlighted? >> >> This may just be because of my own background, but the slides under >> (1) seem to me to say "you want Mirage because doing systems >> administration at any kind of scale has these pain points and it will >> help with them, and yes also this cool thing is actually usable", but >> 3-5 is a really great call-to-action for our personal lives and the >> private sphere (which is what brought me to Mirage!). I hope the >> talk will link these things a bit more explicitly; it took me a >> minute's puzzling to figure out why I found 3-5 to be a bit abrupt. >> >> I look forward to the outpouring of delight and positive feeling I am >> sure to see on Twitter tomorrow. :) >> >> On 07/23/2014 10:08 PM, Richard Mortier wrote: >>> ...is now live atdecks.openmirage.org -- any last minute comments welcome. >>> >>> >>> >>> _______________________________________________ >>> MirageOS-devel mailing list >>> MirageOS-devel@lists.xenproject.org >>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel >> >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > > -- > Cheers, > > R. > > > > --------------050606030609000701040807 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Aha, so you *always* give the talk progressing downward, such that you visit 3 after the last slide in 2.  I had imagined the 2D functionality as allowing for digressions/elaborations, kind of like backup slides.

Anyway, sorry for the confusion!  GUIs are tough; let's go systems programming.

On 07/23/2014 10:51 PM, Richard Mortier wrote:
i suspect the sheer awesome power of reveal.js has not been revealed :)  (admittedly the complete lack of instructions is not helpful here... ;) 

it's a 2-d deck -- use the down arrow as well (when the navigation arrows in the bottom right corner indicate it highlighted)...

On 23 Jul 2014, at 20:39, Mindy <mindy@somerandomidiot.com> wrote:

Slide 3 looks like a bullet-point-boundary-adjusted version of slide 2 to me - if there's something different between them, maybe it should be highlighted?

This may just be because of my own background, but the slides under (1) seem to me to say "you want Mirage because doing systems administration at any kind of scale has these pain points and it will help with them, and yes also this cool thing is actually usable", but 3-5 is a really great call-to-action for our personal lives and the private sphere (which is what brought me to Mirage!).  I hope the talk will link these things a bit more explicitly; it took me a minute's puzzling to figure out why I found 3-5 to be a bit abrupt.

I look forward to the outpouring of delight and positive feeling I am sure to see on Twitter tomorrow. :)

On 07/23/2014 10:08 PM, Richard Mortier wrote:
...is now live at decks.openmirage.org -- any last minute comments welcome.




_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel


-- 
Cheers,

R.





--------------050606030609000701040807-- --===============3789956172720138910== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============3789956172720138910==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 06:34:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 06:34:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XACcB-0004mC-6w; Thu, 24 Jul 2014 06:34:55 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XACc9-0004m3-OO for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 06:34:53 +0000 Received: from [85.158.137.68:35521] by server-6.bemta-3.messagelabs.com id 3F/59-29521-D09A0D35; Thu, 24 Jul 2014 06:34:53 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-7.tower-31.messagelabs.com!1406183691!13747539!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests=HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1597 invoked from network); 24 Jul 2014 06:34:52 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-7.tower-31.messagelabs.com with SMTP; 24 Jul 2014 06:34:52 -0000 Received: (qmail 2453 invoked from network); 24 Jul 2014 06:34:50 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 24 Jul 2014 06:34:50 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 00754-06 for ; Thu, 24 Jul 2014 07:34:42 +0100 (BST) Received: (qmail 2397 invoked by uid 599); 24 Jul 2014 06:34:42 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 24 Jul 2014 07:34:42 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XACby-0002Ty-M3; Thu, 24 Jul 2014 07:34:42 +0100 From: Richard Mortier To: Mindy Date: Thu, 24 Jul 2014 07:34:39 +0100 Thread-Topic: [MirageOS-devel] oscon'14 deck Thread-Index: Ac+nCVoYUsj0VbWXTmuGYql4HqygOw== Message-ID: <65021564-20E3-4650-A85D-539D92B407D0@nottingham.ac.uk> References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> <53D07FDE.3080807@somerandomidiot.com> <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> <53D083E9.7080209@somerandomidiot.com> In-Reply-To: <53D083E9.7080209@somerandomidiot.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2734701821106913033==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2734701821106913033== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4 Content-Type: multipart/alternative; boundary="Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194" --Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 23 Jul 2014, at 20:56, Mindy wrote: > Aha, so you *always* give the talk progressing downward, such that you = visit 3 after the last slide in 2. I had imagined the 2D functionality = as allowing for digressions/elaborations, kind of like backup slides. yeah, it should be really. but i'm rarely organised enough to use it = consistently... (frankly it feels a bit weird having everything this ready this many = hours before giving it!) > Anyway, sorry for the confusion! GUIs are tough; let's go systems = programming. :) --=20 Cheers, R. --Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1
On 23 Jul 2014, at 20:56, Mindy <mindy@somerandomidiot.com>= ; wrote:

=20 =20
Aha, so you *always* give the talk progressing downward, such that you visit 3 after the last slide in 2.  I had imagined the 2D functionality as allowing for digressions/elaborations, kind of like backup slides.

yeah, it should = be really. but i'm rarely organised enough to use it = consistently...
(frankly it feels a bit weird having = everything this ready this many hours before giving = it!)

Anyway, sorry for the confusion!  GUIs are = tough; let's go systems programming.

:)

-- 
Cheers,
R.


= --Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194-- --Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT0Kj/AAoJEOLF27JWwSg35TAP/2FlRUmAYUw7QW6YpDkq+w63 mmbfCvSQvkFC2+BJtYP78Os6XrNu8q8GdSL/z9F96SWWJP6+UP7WE6k8DRywfbRh cMl2K8nT/sCFvQuw0HidYDzJAoidFXeESxnU5y7w84dA+3zw2xox4LL00VR/6Qeh Bc/ps1Rec/Ofof5ju9FRmaauEYK36y1VcFTZYdDWDkNUc9gCldrxdnN1yZWa/UMX FoK+e/vQvO7xwPiQ+JLioNcxD9h1WifIn0ti+9ISIlqLfjk+RbZW/pZ8XJK9Nv6N FCZKwoYwZkPbRn9g8RI6RMp+VXc5rJ9Lv05t4JyMHxG2R8mMPFVESqE03dl5fw58 EhvghLKp8TWCBJyIlXM8QdL3+Faj5O9/Qy2IvDIFirSgbAwNRLlfloY88z/+N1rU 3kVUfn4dqC6RaW703W4HCTLXJTpthLVE6YCS7Gb0Cvhgsn6zB/VOVM2iThRUI7UP hkStY1dW/NofD5LUzG0mihAoax00FIwKEV4VUq3XnShzH3TElg8OVfh5IYqFEYQp iVNZE1x9qZMVdn2tAzmApoYZMRrz5J+sP202nhRvNZZrnUCDtHf2uvAWc6YlP8qM HZk9L+1OO8mg7JGny2drSrM/H6fdLPGxa0WaKeFrdkLakVWBV4XU8Ryb52Ehbxpv ix+D20IW3bTFRB8XI/uO =7JQx -----END PGP SIGNATURE----- --Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4-- --===============2734701821106913033== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2734701821106913033==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 06:34:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 06:34:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XACcB-0004mC-6w; Thu, 24 Jul 2014 06:34:55 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XACc9-0004m3-OO for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 06:34:53 +0000 Received: from [85.158.137.68:35521] by server-6.bemta-3.messagelabs.com id 3F/59-29521-D09A0D35; Thu, 24 Jul 2014 06:34:53 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-7.tower-31.messagelabs.com!1406183691!13747539!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests=HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1597 invoked from network); 24 Jul 2014 06:34:52 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-7.tower-31.messagelabs.com with SMTP; 24 Jul 2014 06:34:52 -0000 Received: (qmail 2453 invoked from network); 24 Jul 2014 06:34:50 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 24 Jul 2014 06:34:50 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 00754-06 for ; Thu, 24 Jul 2014 07:34:42 +0100 (BST) Received: (qmail 2397 invoked by uid 599); 24 Jul 2014 06:34:42 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 24 Jul 2014 07:34:42 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XACby-0002Ty-M3; Thu, 24 Jul 2014 07:34:42 +0100 From: Richard Mortier To: Mindy Date: Thu, 24 Jul 2014 07:34:39 +0100 Thread-Topic: [MirageOS-devel] oscon'14 deck Thread-Index: Ac+nCVoYUsj0VbWXTmuGYql4HqygOw== Message-ID: <65021564-20E3-4650-A85D-539D92B407D0@nottingham.ac.uk> References: <44F5941A-D9C3-4DD8-AE84-BCF5538D9ABA@nottingham.ac.uk> <53D07FDE.3080807@somerandomidiot.com> <80CE692E-48E6-40AA-B224-6928739E91B7@nottingham.ac.uk> <53D083E9.7080209@somerandomidiot.com> In-Reply-To: <53D083E9.7080209@somerandomidiot.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] oscon'14 deck X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2734701821106913033==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2734701821106913033== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4 Content-Type: multipart/alternative; boundary="Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194" --Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 23 Jul 2014, at 20:56, Mindy wrote: > Aha, so you *always* give the talk progressing downward, such that you = visit 3 after the last slide in 2. I had imagined the 2D functionality = as allowing for digressions/elaborations, kind of like backup slides. yeah, it should be really. but i'm rarely organised enough to use it = consistently... (frankly it feels a bit weird having everything this ready this many = hours before giving it!) > Anyway, sorry for the confusion! GUIs are tough; let's go systems = programming. :) --=20 Cheers, R. --Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1
On 23 Jul 2014, at 20:56, Mindy <mindy@somerandomidiot.com>= ; wrote:

=20 =20
Aha, so you *always* give the talk progressing downward, such that you visit 3 after the last slide in 2.  I had imagined the 2D functionality as allowing for digressions/elaborations, kind of like backup slides.

yeah, it should = be really. but i'm rarely organised enough to use it = consistently...
(frankly it feels a bit weird having = everything this ready this many hours before giving = it!)

Anyway, sorry for the confusion!  GUIs are = tough; let's go systems programming.

:)

-- 
Cheers,
R.


= --Apple-Mail=_38C06385-1E64-4172-A3D8-401D1CACF194-- --Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT0Kj/AAoJEOLF27JWwSg35TAP/2FlRUmAYUw7QW6YpDkq+w63 mmbfCvSQvkFC2+BJtYP78Os6XrNu8q8GdSL/z9F96SWWJP6+UP7WE6k8DRywfbRh cMl2K8nT/sCFvQuw0HidYDzJAoidFXeESxnU5y7w84dA+3zw2xox4LL00VR/6Qeh Bc/ps1Rec/Ofof5ju9FRmaauEYK36y1VcFTZYdDWDkNUc9gCldrxdnN1yZWa/UMX FoK+e/vQvO7xwPiQ+JLioNcxD9h1WifIn0ti+9ISIlqLfjk+RbZW/pZ8XJK9Nv6N FCZKwoYwZkPbRn9g8RI6RMp+VXc5rJ9Lv05t4JyMHxG2R8mMPFVESqE03dl5fw58 EhvghLKp8TWCBJyIlXM8QdL3+Faj5O9/Qy2IvDIFirSgbAwNRLlfloY88z/+N1rU 3kVUfn4dqC6RaW703W4HCTLXJTpthLVE6YCS7Gb0Cvhgsn6zB/VOVM2iThRUI7UP hkStY1dW/NofD5LUzG0mihAoax00FIwKEV4VUq3XnShzH3TElg8OVfh5IYqFEYQp iVNZE1x9qZMVdn2tAzmApoYZMRrz5J+sP202nhRvNZZrnUCDtHf2uvAWc6YlP8qM HZk9L+1OO8mg7JGny2drSrM/H6fdLPGxa0WaKeFrdkLakVWBV4XU8Ryb52Ehbxpv ix+D20IW3bTFRB8XI/uO =7JQx -----END PGP SIGNATURE----- --Apple-Mail=_F7844DD5-B834-4C8A-9D64-0891B07317D4-- --===============2734701821106913033== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2734701821106913033==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 07:24:54 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 07:24:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XADOU-00074H-S2; Thu, 24 Jul 2014 07:24:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XADOT-000749-7B for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 07:24:49 +0000 Received: from [193.109.254.147:50701] by server-11.bemta-14.messagelabs.com id AC/3E-14213-0C4B0D35; Thu, 24 Jul 2014 07:24:48 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1406186686!19276587!1 X-Originating-IP: [209.85.218.41] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7638 invoked from network); 24 Jul 2014 07:24:47 -0000 Received: from mail-oi0-f41.google.com (HELO mail-oi0-f41.google.com) (209.85.218.41) by server-14.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 24 Jul 2014 07:24:47 -0000 Received: by mail-oi0-f41.google.com with SMTP id a141so1778754oig.0 for ; Thu, 24 Jul 2014 00:24:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=V25y6Wuz8WO17EloAls9A/d6+6kHTK9lDsBHR2DgjSc=; b=Fr62NXOeBv+FVwT3ubBbZZq2JRr6vyESmEjGvC/3s+g7o9Blqet2vi4DPDt76n8jZD srIgNeXJxkRhfIHsBE5z0yRh5b9oalZx9YDxpiYXN1Co2Vr+h9zGvF65t/uKhnsE0/iR KebzXFDj5H3dtJf+lh+gCA47wJ3Nl+OiZjLoNG4hwlYGrZqXTO1gWX+pj2DVdEGfb+iw z2azx7HJn8qbkI3393sSUpoqGXsCJQXMwZRFglYbs8/kWv0uzu3sjsx/GFTGJ0GJs2hE /MX9E83pdHGI4rfQNVY9VRqIlsmSpDM1hRJvFhm9JyfJPinmgZLrICmwBsYq6+8ft8B8 2wew== MIME-Version: 1.0 X-Received: by 10.182.205.231 with SMTP id lj7mr9626428obc.37.1406186685899; Thu, 24 Jul 2014 00:24:45 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 24 Jul 2014 00:24:45 -0700 (PDT) In-Reply-To: <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Thu, 24 Jul 2014 08:24:45 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 04:00, Anil Madhavapeddy wrote: > On 21 Jul 2014, at 16:10, Thomas Leonard wrote: > >> What are the rules about alignment for cstructs? >> >> Allocating the buffer like this works: >> >> let data = Io_page.get 1 |> Io_page.to_cstruct >> let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 >> (Buffer.length buffer) >> >> But using Cstruct.of_string doesn't. It does look like Netif assumes >> the structs are page aligned. e.g. >> >> if page.Cstruct.off + len > page_size then begin >> (* netback rejects packets that cross page boundaries *) >> let msg = >> Printf.sprintf "Invalid page: offset=%d, length=%d" >> page.Cstruct.off len in >> print_endline msg; >> Lwt.fail (Failure msg) >> end else > > Argh, this is exactly the problem. Netif requires page aligned buffers > (in theory, sub-page grants are possible, but ill-advised for performance > reasons). > > Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create > which isn't page-aligned. It does need to go through Io_page to ensure it's > page-aligned. > > We don't protect this distinction using phantom types, and it's bitten us > several times now through these hard-to-spot dynamic failures :-/ > > Making Cstruct's always page aligned is too expensive for the 'casual' > small Cstructs (as seen in OCaml TLS for example), so ensure your buffer > originates from Io_page is the best bet for now. An issue on how to > ensure this is checked statically would be good to have (but involve > a fair bit of mechanical code motion). I notice that FLOW explicitly states that the buffer need not be page-aligned: module type FLOW = sig type buffer (** Abstract type for a memory buffer that may not be page aligned. *) val write : flow -> buffer -> [`Ok of unit | `Eof | `Error of error ] io Also, it can fail even if it is aligned: S.TCPV4.write flow (Io_page.get 10 |> Io_page.to_cstruct) gives RX exn Failure("Invalid page: offset=2920, length=1460") (presumably because splitting the pages into TCP-packet-sized chunks loses the alignment) -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 07:24:54 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 07:24:54 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XADOU-00074H-S2; Thu, 24 Jul 2014 07:24:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XADOT-000749-7B for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 07:24:49 +0000 Received: from [193.109.254.147:50701] by server-11.bemta-14.messagelabs.com id AC/3E-14213-0C4B0D35; Thu, 24 Jul 2014 07:24:48 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1406186686!19276587!1 X-Originating-IP: [209.85.218.41] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7638 invoked from network); 24 Jul 2014 07:24:47 -0000 Received: from mail-oi0-f41.google.com (HELO mail-oi0-f41.google.com) (209.85.218.41) by server-14.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 24 Jul 2014 07:24:47 -0000 Received: by mail-oi0-f41.google.com with SMTP id a141so1778754oig.0 for ; Thu, 24 Jul 2014 00:24:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=V25y6Wuz8WO17EloAls9A/d6+6kHTK9lDsBHR2DgjSc=; b=Fr62NXOeBv+FVwT3ubBbZZq2JRr6vyESmEjGvC/3s+g7o9Blqet2vi4DPDt76n8jZD srIgNeXJxkRhfIHsBE5z0yRh5b9oalZx9YDxpiYXN1Co2Vr+h9zGvF65t/uKhnsE0/iR KebzXFDj5H3dtJf+lh+gCA47wJ3Nl+OiZjLoNG4hwlYGrZqXTO1gWX+pj2DVdEGfb+iw z2azx7HJn8qbkI3393sSUpoqGXsCJQXMwZRFglYbs8/kWv0uzu3sjsx/GFTGJ0GJs2hE /MX9E83pdHGI4rfQNVY9VRqIlsmSpDM1hRJvFhm9JyfJPinmgZLrICmwBsYq6+8ft8B8 2wew== MIME-Version: 1.0 X-Received: by 10.182.205.231 with SMTP id lj7mr9626428obc.37.1406186685899; Thu, 24 Jul 2014 00:24:45 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 24 Jul 2014 00:24:45 -0700 (PDT) In-Reply-To: <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> Date: Thu, 24 Jul 2014 08:24:45 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 22 July 2014 04:00, Anil Madhavapeddy wrote: > On 21 Jul 2014, at 16:10, Thomas Leonard wrote: > >> What are the rules about alignment for cstructs? >> >> Allocating the buffer like this works: >> >> let data = Io_page.get 1 |> Io_page.to_cstruct >> let () = Cstruct.blit_from_string (Buffer.contents buffer) 0 data 0 >> (Buffer.length buffer) >> >> But using Cstruct.of_string doesn't. It does look like Netif assumes >> the structs are page aligned. e.g. >> >> if page.Cstruct.off + len > page_size then begin >> (* netback rejects packets that cross page boundaries *) >> let msg = >> Printf.sprintf "Invalid page: offset=%d, length=%d" >> page.Cstruct.off len in >> print_endline msg; >> Lwt.fail (Failure msg) >> end else > > Argh, this is exactly the problem. Netif requires page aligned buffers > (in theory, sub-page grants are possible, but ill-advised for performance > reasons). > > Cstruct.of_string calls Cstruct.create, which calls Bigarray.Array1.create > which isn't page-aligned. It does need to go through Io_page to ensure it's > page-aligned. > > We don't protect this distinction using phantom types, and it's bitten us > several times now through these hard-to-spot dynamic failures :-/ > > Making Cstruct's always page aligned is too expensive for the 'casual' > small Cstructs (as seen in OCaml TLS for example), so ensure your buffer > originates from Io_page is the best bet for now. An issue on how to > ensure this is checked statically would be good to have (but involve > a fair bit of mechanical code motion). I notice that FLOW explicitly states that the buffer need not be page-aligned: module type FLOW = sig type buffer (** Abstract type for a memory buffer that may not be page aligned. *) val write : flow -> buffer -> [`Ok of unit | `Eof | `Error of error ] io Also, it can fail even if it is aligned: S.TCPV4.write flow (Io_page.get 10 |> Io_page.to_cstruct) gives RX exn Failure("Invalid page: offset=2920, length=1460") (presumably because splitting the pages into TCP-packet-sized chunks loses the alignment) -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 07:48:20 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 07:48:20 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XADlD-0008CG-Nm; 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Thu, 24 Jul 2014 15:22:10 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAKqP-0002Bc-IG for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 15:22:09 +0000 Received: from [193.109.254.147:54058] by server-15.bemta-14.messagelabs.com id C5/34-30948-0A421D35; Thu, 24 Jul 2014 15:22:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1406215327!19401910!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12042 invoked from network); 24 Jul 2014 15:22:07 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-14.tower-27.messagelabs.com with SMTP; 24 Jul 2014 15:22:07 -0000 Received: (qmail 12206 invoked by uid 634); 24 Jul 2014 15:22:07 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-128-216.public.wayport.net (HELO [192.168.5.118]) (64.134.128.216) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 24 Jul 2014 16:22:07 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 24 Jul 2014 08:22:04 -0700 Message-Id: <6C748D44-4FDE-4BC8-86AC-A8150F5D79AA@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 24 Jul 2014, at 00:24, Thomas Leonard wrote: > > I notice that FLOW explicitly states that the buffer need not be page-aligned: > > module type FLOW = sig > type buffer > (** Abstract type for a memory buffer that may not be page aligned. *) > > val write : flow -> buffer -> [`Ok of unit | `Eof | `Error of error ] io I think there's a terminology confusion here that needs to be corrected somewhere in the docs: - the Bigarray underlying the Cstruct must always be page-aligned if it's ever going to be used for a grant, since otherwise the offset in the grant entry is wrong. Allocate through Io_page to ensure this for now. - the Cstruct view may not be page-aligned if the off!=0. This shouldn't matter from the perspective of granting it, since the backend should adjust the offset in the grant entry to account for the Cstruct offset. If it doesn't do this right now, that's a definite bug. - Granters should be aware that the backend may see more of a Cstruct view than they intend, since the grantee could potentially see the whole Io_page (need to check into Xen sub-page grants to see if that's better supported now -- it would only work with grant copies I imagine). > > Also, it can fail even if it is aligned: > > S.TCPV4.write flow (Io_page.get 10 |> Io_page.to_cstruct) > > gives > > RX exn Failure("Invalid page: offset=2920, length=1460") > > (presumably because splitting the pages into TCP-packet-sized chunks > loses the alignment) Some seat belts definitely need to be applied to this API... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 15:22:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 15:22:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAKqQ-0002Bh-M1; Thu, 24 Jul 2014 15:22:10 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAKqP-0002Bc-IG for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 15:22:09 +0000 Received: from [193.109.254.147:54058] by server-15.bemta-14.messagelabs.com id C5/34-30948-0A421D35; Thu, 24 Jul 2014 15:22:08 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1406215327!19401910!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12042 invoked from network); 24 Jul 2014 15:22:07 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-14.tower-27.messagelabs.com with SMTP; 24 Jul 2014 15:22:07 -0000 Received: (qmail 12206 invoked by uid 634); 24 Jul 2014 15:22:07 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from ip-64-134-128-216.public.wayport.net (HELO [192.168.5.118]) (64.134.128.216) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Thu, 24 Jul 2014 16:22:07 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 24 Jul 2014 08:22:04 -0700 Message-Id: <6C748D44-4FDE-4BC8-86AC-A8150F5D79AA@recoil.org> References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 24 Jul 2014, at 00:24, Thomas Leonard wrote: > > I notice that FLOW explicitly states that the buffer need not be page-aligned: > > module type FLOW = sig > type buffer > (** Abstract type for a memory buffer that may not be page aligned. *) > > val write : flow -> buffer -> [`Ok of unit | `Eof | `Error of error ] io I think there's a terminology confusion here that needs to be corrected somewhere in the docs: - the Bigarray underlying the Cstruct must always be page-aligned if it's ever going to be used for a grant, since otherwise the offset in the grant entry is wrong. Allocate through Io_page to ensure this for now. - the Cstruct view may not be page-aligned if the off!=0. This shouldn't matter from the perspective of granting it, since the backend should adjust the offset in the grant entry to account for the Cstruct offset. If it doesn't do this right now, that's a definite bug. - Granters should be aware that the backend may see more of a Cstruct view than they intend, since the grantee could potentially see the whole Io_page (need to check into Xen sub-page grants to see if that's better supported now -- it would only work with grant copies I imagine). > > Also, it can fail even if it is aligned: > > S.TCPV4.write flow (Io_page.get 10 |> Io_page.to_cstruct) > > gives > > RX exn Failure("Invalid page: offset=2920, length=1460") > > (presumably because splitting the pages into TCP-packet-sized chunks > loses the alignment) Some seat belts definitely need to be applied to this API... -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 24 16:30:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 24 Jul 2014 16:30:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XALun-0006lV-Va; Thu, 24 Jul 2014 16:30:45 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XALum-0006lN-3d for mirageos-devel@lists.xenproject.org; Thu, 24 Jul 2014 16:30:44 +0000 Received: from [85.158.137.68:20184] by server-3.bemta-3.messagelabs.com id 40/44-22751-3B431D35; Thu, 24 Jul 2014 16:30:43 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-6.tower-31.messagelabs.com!1406219440!13397234!1 X-Originating-IP: [209.85.218.44] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5842 invoked from network); 24 Jul 2014 16:30:41 -0000 Received: from mail-oi0-f44.google.com (HELO mail-oi0-f44.google.com) (209.85.218.44) by server-6.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 24 Jul 2014 16:30:41 -0000 Received: by mail-oi0-f44.google.com with SMTP id x69so2274310oia.17 for ; Thu, 24 Jul 2014 09:30:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=BT32tg25rKnXTgoGsss8KPHQ9ZjgAec5Z3/IKuovoVk=; b=ilve9H7IFvLKKEIHGGK7j838ZVaAAGaJBWDMEfbSYZrx/04efsYK1l1sRMDEDDRpbe 7hmH7YI1eThiNOFUR7OlUDdT2r+PwJ6x+dqrLI4bcVXjwv28xOTwkgam95LfVrZNM+6u nshgOaVm8vp30r1Y2KAamI5ocqoJrPalsDkhpAxT6yliLj/hmTxUBsniZelayQg3d/ts 4DUFZeZ0yRg6w1y6+SEEQS+xMjGTp7WTPUnc6qpiwNlnER7JTLgoUs1bmxnr0d4lWq6e AcKOepMEBUYpzWR7Xx8puXpf+n30Nn+qRqTe6iOp71U1P9uIgIfazaOhEU1LxGkRVkEA Ni1A== MIME-Version: 1.0 X-Received: by 10.182.97.234 with SMTP id ed10mr14297963obb.31.1406219440257; Thu, 24 Jul 2014 09:30:40 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 24 Jul 2014 09:30:40 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Thu, 24 Jul 2014 17:30:40 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: 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a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=BT32tg25rKnXTgoGsss8KPHQ9ZjgAec5Z3/IKuovoVk=; b=ilve9H7IFvLKKEIHGGK7j838ZVaAAGaJBWDMEfbSYZrx/04efsYK1l1sRMDEDDRpbe 7hmH7YI1eThiNOFUR7OlUDdT2r+PwJ6x+dqrLI4bcVXjwv28xOTwkgam95LfVrZNM+6u nshgOaVm8vp30r1Y2KAamI5ocqoJrPalsDkhpAxT6yliLj/hmTxUBsniZelayQg3d/ts 4DUFZeZ0yRg6w1y6+SEEQS+xMjGTp7WTPUnc6qpiwNlnER7JTLgoUs1bmxnr0d4lWq6e AcKOepMEBUYpzWR7Xx8puXpf+n30Nn+qRqTe6iOp71U1P9uIgIfazaOhEU1LxGkRVkEA Ni1A== MIME-Version: 1.0 X-Received: by 10.182.97.234 with SMTP id ed10mr14297963obb.31.1406219440257; Thu, 24 Jul 2014 09:30:40 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 24 Jul 2014 09:30:40 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Thu, 24 Jul 2014 17:30:40 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMjMgSnVseSAyMDE0IDEzOjEwLCBBbmlsIE1hZGhhdmFwZWRkeSA8YW5pbEByZWNvaWwub3Jn PiB3cm90ZToKPiBPbiAyMyBKdWwgMjAxNCwgYXQgMDI6NDYsIERhdmUgU2NvdHQgPERhdmUuU2Nv dHRAY2l0cml4LmNvbT4gd3JvdGU6Cj4KPj4gT24gMjMgSnVsIDIwMTQsIGF0IDA4OjEwLCBUaG9t 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ZSBmcmVlZCBidXQgd2UKY2FuIHN0aWxsIHByb3ZpZGUgYmFjay1wcmVzc3VyZS4gVGhpcyBpcyBi YXNpY2FsbHkgd2hhdCB3ZSBoYWQgYmVmb3JlLgpUaGUgY2hhbmdlcyB3b3VsZCBiZToKCjEpIGNo YW5nZSB0aGUgZG9jdW1lbnRhdGlvbiB0byBzYXkgdGhhdCB3cml0ZXYgb25seSBibG9ja3MgdW50 aWwgaXQncwpyZWFkeSBmb3IgbW9yZSBwYWNrZXRzIHRvIGJlIHN1Ym1pdHRlZCwgbm90IHVudGls IHRoZXNlIG9uZXMgaGF2ZSBiZWVuCnNlbnQuCjIpIGRvY3VtZW50IHRoYXQgYnVmZmVycyBjYW5u b3QgYmUgcmV1c2VkLgozKSBhZGQgYSB3YXkgdG8gbWFrZSBhIGNzdHJ1Y3QgZm9yZXZlciBpbW11 dGFibGUuCgo+IC1hbmlsCj4KPgo+Pgo+PiBDaGVlcnMsCj4+IERhdmUKPj4KPj4gWzFdIGh0dHBz Oi8vZ2l0aHViLmNvbS9taXJhZ2UveGVuLXRlc3R2bQo+PiBbMl0gaHR0cHM6Ly9naXRodWIuY29t L21pcmFnZS90ZXN0dm0taWRsCj4+Cj4+Pgo+Pj4gKGlmIHlvdSBjYWxsIHdyaXRldiB3aXRoIGEg c2luZ2xldG9uIGxpc3QgdGhlbiBpdCBkb2VzIHdhaXQgaW5zaWRlIHRoZQo+Pj4gbXV0ZXggYWxy ZWFkeSkKCgoKCi0tIApEciBUaG9tYXMgTGVvbmFyZCAgICAgICAgaHR0cDovLzBpbnN0YWxsLm5l dC8KR1BHOiA5MjQyIDk4MDcgQzk4NSAzQzA3IDQ0QTYgIDhCOUEgQUUwNyA4MjgwIDU5QTUgM0ND MQpHUEc6IERBOTggMjVBRSBDQUQwIDg5NzUgN0NEQSAgQkQ4RSAwNzEzIDNGOTYgQ0E3NCBEOEJB CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VP Uy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcK aHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJh Z2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Jul 25 11:54:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 25 Jul 2014 11:54:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAe5B-0005uy-1h; Fri, 25 Jul 2014 11:54:41 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAe59-0005us-TZ for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 11:54:40 +0000 Received: from [85.158.143.35:16337] by server-1.bemta-4.messagelabs.com id 3E/9D-05872-F7542D35; Fri, 25 Jul 2014 11:54:39 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-21.messagelabs.com!1406289277!20129185!1 X-Originating-IP: [209.85.219.48] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22021 invoked from network); 25 Jul 2014 11:54:38 -0000 Received: from mail-oa0-f48.google.com (HELO mail-oa0-f48.google.com) (209.85.219.48) by server-8.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 25 Jul 2014 11:54:38 -0000 Received: by mail-oa0-f48.google.com with SMTP id m1so5319521oag.21 for ; Fri, 25 Jul 2014 04:54:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=yUECqhoVkzmnSTAgfg0Cy0JCUyuLhrZtwzUnCtOS6II=; b=NfQN7uaR6doTEkhJhpya8hkem1iAK03iVe0hWKQc/3g4ZGtBWZQdzdzBGl+RrvSOPQ 49QhbQRgXP9Gji8yusoK7OdiuC1wxxIUS7R1Icri/1k3wMQOLjERBpdIW11gktFbAbAH F3Ey0550pMAM2a13tiwuycEjBfjInRI5BmkkvcXMEQt41Up5xplYn4neHutWPns3dWVu qE8jaFvCoSOuDO0ERCi5vq3cAQZsjl7dM5a8GJsq8N347E0VudnNrbcrIqyPeJ/UBun3 OXTwCtk0iBiYrudMFWpNBeiHlnzm6aQ8oVLW/Rb3T9LiljHZYdG08CkxfJvhJK1MofZl yaDw== MIME-Version: 1.0 X-Received: by 10.182.3.100 with SMTP id b4mr4124299obb.79.1406289276821; Fri, 25 Jul 2014 04:54:36 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Fri, 25 Jul 2014 04:54:36 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Fri, 25 Jul 2014 12:54:36 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 24 July 2014 17:30, Thomas Leonard wrote: > On 23 July 2014 13:10, Anil Madhavapeddy wrote: >> On 23 Jul 2014, at 02:46, Dave Scott wrote: >> >>> On 23 Jul 2014, at 08:10, Thomas Leonard wrote: >>> >>>> On 22 July 2014 13:17, Anil Madhavapeddy wrote: >>>>> On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >>>>> >>>>>> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>>>>>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>>>>>> >>>>>>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>>>>>> >>>>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>>>>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >>>>>>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>>>>>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >>>>>>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>>>>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >>>>>>>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >>>>>>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>>>>>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >>>>>>>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists >>>>>>> >>>>>>> That looks like this bug in Xen/ARM/netback: >>>>>>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html >>>>>> >>>>>> Aha! This seems to fix it (I can browse mirage-www without huge delays): >>>>>> >>>>>> diff --git a/lib/netif.ml b/lib/netif.ml >>>>>> index 4e02e5e..3cc7760 100644 >>>>>> --- a/lib/netif.ml >>>>>> +++ b/lib/netif.ml >>>>>> @@ -455,7 +455,7 @@ let writev nf pages = >>>>>> lwt rest_th = xmit other_pages in >>>>>> (* All fragments are now written, we can now notify the backend *) >>>>>> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >>>>>> - return () >>>>>> + join rest_th >>>>>> ) >>>>>> >>>>>> let wait_for_plug nf = >>>>>> >>>>>> Not very efficient, but at least it works! Looks like the Xen people >>>>>> will fix it at some point. >>>>> >>>>> That's going to serialize requests on the TX ring, isn't it? Might >>>>> be worth making conditional via a feature flag if it's going to take >>>>> x86 transmit performance down. > > I've done some tests, and this absolutely kills performance. Sending a > load of simple 1K UDP packets, the CubieTruck sends at 28 KB/s with > this patch and 1,531 KB/s with the wait outside the mutex. > > However, this still isn't quite right, because in the fast case I send > all the packets and then wait for them all to complete. But really I'd > like the sender to slow down when the receiver is getting behind, > rather than allocating ever more memory to the queue. Doing that will > require an API change I think. Here's a slightly better work-around: https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad It changes the TCP packet splitting code so that the second part of the page is copied to a new IO page. This avoids sending the same physical page to Linux twice (which is what doesn't work). With this, the previous hack can be reverted. In my testing, this increased the streaming TCP download speed from 56 KB/s to 3.9 MB/s on the CubieTruck. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 25 11:54:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 25 Jul 2014 11:54:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAe5B-0005uy-1h; Fri, 25 Jul 2014 11:54:41 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAe59-0005us-TZ for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 11:54:40 +0000 Received: from [85.158.143.35:16337] by server-1.bemta-4.messagelabs.com id 3E/9D-05872-F7542D35; Fri, 25 Jul 2014 11:54:39 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-21.messagelabs.com!1406289277!20129185!1 X-Originating-IP: [209.85.219.48] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22021 invoked from network); 25 Jul 2014 11:54:38 -0000 Received: from mail-oa0-f48.google.com (HELO mail-oa0-f48.google.com) (209.85.219.48) by server-8.tower-21.messagelabs.com with RC4-SHA encrypted SMTP; 25 Jul 2014 11:54:38 -0000 Received: by mail-oa0-f48.google.com with SMTP id m1so5319521oag.21 for ; Fri, 25 Jul 2014 04:54:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=yUECqhoVkzmnSTAgfg0Cy0JCUyuLhrZtwzUnCtOS6II=; b=NfQN7uaR6doTEkhJhpya8hkem1iAK03iVe0hWKQc/3g4ZGtBWZQdzdzBGl+RrvSOPQ 49QhbQRgXP9Gji8yusoK7OdiuC1wxxIUS7R1Icri/1k3wMQOLjERBpdIW11gktFbAbAH F3Ey0550pMAM2a13tiwuycEjBfjInRI5BmkkvcXMEQt41Up5xplYn4neHutWPns3dWVu qE8jaFvCoSOuDO0ERCi5vq3cAQZsjl7dM5a8GJsq8N347E0VudnNrbcrIqyPeJ/UBun3 OXTwCtk0iBiYrudMFWpNBeiHlnzm6aQ8oVLW/Rb3T9LiljHZYdG08CkxfJvhJK1MofZl yaDw== MIME-Version: 1.0 X-Received: by 10.182.3.100 with SMTP id b4mr4124299obb.79.1406289276821; Fri, 25 Jul 2014 04:54:36 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Fri, 25 Jul 2014 04:54:36 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Fri, 25 Jul 2014 12:54:36 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 24 July 2014 17:30, Thomas Leonard wrote: > On 23 July 2014 13:10, Anil Madhavapeddy wrote: >> On 23 Jul 2014, at 02:46, Dave Scott wrote: >> >>> On 23 Jul 2014, at 08:10, Thomas Leonard wrote: >>> >>>> On 22 July 2014 13:17, Anil Madhavapeddy wrote: >>>>> On 22 Jul 2014, at 02:01, Thomas Leonard wrote: >>>>> >>>>>> On 22 July 2014 09:14, Anil Madhavapeddy wrote: >>>>>>> On 22 Jul 2014, at 01:10, Thomas Leonard wrote: >>>>>>>> >>>>>>>> I noticed I'm getting a lot of these in the dom0 log (dmsg): >>>>>>>> >>>>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128241] >>>>>>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079abe -> >>>>>>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.128727] >>>>>>>> xen_add_mach_to_phys_entry: cannot add pfn=0x00079bcb -> >>>>>>>> mfn=0x000bed87: pfn=0x000799a6 -> mfn=0x000bed87 already exists >>>>>>>> Jul 22 08:09:05 cubietruck kernel: [11892.133264] >>>>>>>> xen_add_phys_to_mach_entry: cannot add pfn=0x00079b70 -> >>>>>>>> mfn=0x000bed87: pfn=0x00079bd7 -> mfn=0x000bed87 already exists >>>>>>>> Jul 22 08:09:09 cubietruck kernel: [11896.041106] >>>>>>>> xen_add_phys_to_mach_entry: cannot add pfn=0x0007999a -> >>>>>>>> mfn=0x000bed87: pfn=0x00079b2b -> mfn=0x000bed87 already exists >>>>>>> >>>>>>> That looks like this bug in Xen/ARM/netback: >>>>>>> http://lists.xenproject.org/archives/html/xen-users/2014-07/msg00067.html >>>>>> >>>>>> Aha! This seems to fix it (I can browse mirage-www without huge delays): >>>>>> >>>>>> diff --git a/lib/netif.ml b/lib/netif.ml >>>>>> index 4e02e5e..3cc7760 100644 >>>>>> --- a/lib/netif.ml >>>>>> +++ b/lib/netif.ml >>>>>> @@ -455,7 +455,7 @@ let writev nf pages = >>>>>> lwt rest_th = xmit other_pages in >>>>>> (* All fragments are now written, we can now notify the backend *) >>>>>> Lwt_ring.Front.push nf.t.tx_client (notify nf.t); >>>>>> - return () >>>>>> + join rest_th >>>>>> ) >>>>>> >>>>>> let wait_for_plug nf = >>>>>> >>>>>> Not very efficient, but at least it works! Looks like the Xen people >>>>>> will fix it at some point. >>>>> >>>>> That's going to serialize requests on the TX ring, isn't it? Might >>>>> be worth making conditional via a feature flag if it's going to take >>>>> x86 transmit performance down. > > I've done some tests, and this absolutely kills performance. Sending a > load of simple 1K UDP packets, the CubieTruck sends at 28 KB/s with > this patch and 1,531 KB/s with the wait outside the mutex. > > However, this still isn't quite right, because in the fast case I send > all the packets and then wait for them all to complete. But really I'd > like the sender to slow down when the receiver is getting behind, > rather than allocating ever more memory to the queue. Doing that will > require an API change I think. Here's a slightly better work-around: https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad It changes the TCP packet splitting code so that the second part of the page is copied to a new IO page. This avoids sending the same physical page to Linux twice (which is what doesn't work). With this, the previous hack can be reverted. In my testing, this increased the streaming TCP download speed from 56 KB/s to 3.9 MB/s on the CubieTruck. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 25 17:36:02 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 25 Jul 2014 17:36:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAjPQ-0006uc-Ny; Fri, 25 Jul 2014 17:35:56 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAjPP-0006uT-Nx for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 17:35:55 +0000 Received: from [85.158.139.211:25686] by server-7.bemta-5.messagelabs.com id B5/C5-30869-B7592D35; Fri, 25 Jul 2014 17:35:55 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-3.tower-206.messagelabs.com!1406309753!10082579!1 X-Originating-IP: [209.85.215.46] X-SpamReason: No, hits=2.5 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7980 invoked from network); 25 Jul 2014 17:35:54 -0000 Received: from mail-la0-f46.google.com (HELO mail-la0-f46.google.com) (209.85.215.46) by server-3.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 25 Jul 2014 17:35:54 -0000 Received: by mail-la0-f46.google.com with SMTP id b8so3268198lan.5 for ; Fri, 25 Jul 2014 10:35:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=nAOMfZGKMqhT4JG64nphrc8G6NQLDxto9eK2WeUiF7c=; b=cLZ2pukMk8z8BKs1AjT5SSko7yY2Vikx/LHBdSv/+0oaXMrRUtlVaOVKMWH7vCTmym 8sD3XLdQctiggTxfKSTDmIXPQAnC0MIGp7ysw4u3x02O+Jda7eeJvl3jPXnFpz4bqlea yI6QT9xvMKveM39UhyxVTCMoS4LqK+6Bq+XG+7kufNkvuc1BrQfy/xl+a9WSubRkpKVq rU3TuueuV84ruHf/dMtrNbD3D0+OPHV55gG9qgZ50PW0z6WD4E1ENgRU/lJ0OSHUdnD0 s8tlT3a4AHNQmpG99LV0NViRi+tCK9vENHFJVaXtRl6IE9trVrBfd2towmu1+SBTuOXy 9EuA== MIME-Version: 1.0 X-Received: by 10.152.20.165 with SMTP id o5mr3924628lae.78.1406309753482; Fri, 25 Jul 2014 10:35:53 -0700 (PDT) Received: by 10.112.22.39 with HTTP; Fri, 25 Jul 2014 10:35:53 -0700 (PDT) Date: Fri, 25 Jul 2014 13:35:53 -0400 X-Google-Sender-Auth: w2YvmkbQh4W3-uTJ4D8oTCdX-U0 Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel@lists.xen.org, mirageos-devel@lists.xenproject.org, xs-devel@lists.xenserver.org, xen-api@lists.xen.org Subject: [MirageOS-devel] Xen Project Document Day is This Wednesday, July 30: Beginner's Guide needs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a reminder that next Wednesday, July 30, is Xen Project Document Day. Xen Project Document Day is a day to help improve overall Xen Project documentation, particularly that of the Wiki. This month, it would be great if we could include the incomplete bits needed for the Beginner's Guide, including at least one decent diagram and some of the missing information called out in the Architecture section: http://wiki.xenproject.org/wiki/Xen_Project_Beginners_Guide All the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days If you get a few moments in the next week, please take a look at the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO So please think about how you can help out. If you haven't requested to be made a Wiki editor, save time and do it now so you are ready to go on Document Day. Just fill out the form below: http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html We hope to see you Wednesday in #xendocs! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 25 17:36:02 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 25 Jul 2014 17:36:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAjPQ-0006uc-Ny; Fri, 25 Jul 2014 17:35:56 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAjPP-0006uT-Nx for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 17:35:55 +0000 Received: from [85.158.139.211:25686] by server-7.bemta-5.messagelabs.com id B5/C5-30869-B7592D35; Fri, 25 Jul 2014 17:35:55 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-3.tower-206.messagelabs.com!1406309753!10082579!1 X-Originating-IP: [209.85.215.46] X-SpamReason: No, hits=2.5 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7980 invoked from network); 25 Jul 2014 17:35:54 -0000 Received: from mail-la0-f46.google.com (HELO mail-la0-f46.google.com) (209.85.215.46) by server-3.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 25 Jul 2014 17:35:54 -0000 Received: by mail-la0-f46.google.com with SMTP id b8so3268198lan.5 for ; Fri, 25 Jul 2014 10:35:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=nAOMfZGKMqhT4JG64nphrc8G6NQLDxto9eK2WeUiF7c=; b=cLZ2pukMk8z8BKs1AjT5SSko7yY2Vikx/LHBdSv/+0oaXMrRUtlVaOVKMWH7vCTmym 8sD3XLdQctiggTxfKSTDmIXPQAnC0MIGp7ysw4u3x02O+Jda7eeJvl3jPXnFpz4bqlea yI6QT9xvMKveM39UhyxVTCMoS4LqK+6Bq+XG+7kufNkvuc1BrQfy/xl+a9WSubRkpKVq rU3TuueuV84ruHf/dMtrNbD3D0+OPHV55gG9qgZ50PW0z6WD4E1ENgRU/lJ0OSHUdnD0 s8tlT3a4AHNQmpG99LV0NViRi+tCK9vENHFJVaXtRl6IE9trVrBfd2towmu1+SBTuOXy 9EuA== MIME-Version: 1.0 X-Received: by 10.152.20.165 with SMTP id o5mr3924628lae.78.1406309753482; Fri, 25 Jul 2014 10:35:53 -0700 (PDT) Received: by 10.112.22.39 with HTTP; Fri, 25 Jul 2014 10:35:53 -0700 (PDT) Date: Fri, 25 Jul 2014 13:35:53 -0400 X-Google-Sender-Auth: w2YvmkbQh4W3-uTJ4D8oTCdX-U0 Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel@lists.xen.org, mirageos-devel@lists.xenproject.org, xs-devel@lists.xenserver.org, xen-api@lists.xen.org Subject: [MirageOS-devel] Xen Project Document Day is This Wednesday, July 30: Beginner's Guide needs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a reminder that next Wednesday, July 30, is Xen Project Document Day. Xen Project Document Day is a day to help improve overall Xen Project documentation, particularly that of the Wiki. This month, it would be great if we could include the incomplete bits needed for the Beginner's Guide, including at least one decent diagram and some of the missing information called out in the Architecture section: http://wiki.xenproject.org/wiki/Xen_Project_Beginners_Guide All the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days If you get a few moments in the next week, please take a look at the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO So please think about how you can help out. If you haven't requested to be made a Wiki editor, save time and do it now so you are ready to go on Document Day. Just fill out the form below: http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html We hope to see you Wednesday in #xendocs! _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 25 23:31:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 25 Jul 2014 23:31:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAoxp-0007Wq-Qi; Fri, 25 Jul 2014 23:31:49 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAoxo-0007Wl-CK for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 23:31:48 +0000 Received: from [85.158.137.68:58121] by server-11.bemta-3.messagelabs.com id A6/78-04507-3E8E2D35; Fri, 25 Jul 2014 23:31:47 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-31.messagelabs.com!1406331106!18157052!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16474 invoked from network); 25 Jul 2014 23:31:46 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-3.tower-31.messagelabs.com with SMTP; 25 Jul 2014 23:31:46 -0000 Received: (qmail 27313 invoked by uid 634); 25 Jul 2014 23:31:46 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [10.1.0.212]) (12.168.40.226) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 26 Jul 2014 00:31:42 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 25 Jul 2014 16:31:36 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 Jul 2014, at 04:54, Thomas Leonard wrote: > > Here's a slightly better work-around: > > https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad > > It changes the TCP packet splitting code so that the second part of > the page is copied to a new IO page. This avoids sending the same > physical page to Linux twice (which is what doesn't work). > > With this, the previous hack can be reverted. > > In my testing, this increased the streaming TCP download speed from 56 > KB/s to 3.9 MB/s on the CubieTruck. This is certainly a fix that works, but I'm loath to insert an unnecessary copy in the TCP stack just because of a limitation in Xen/ARM (that will go away in Xen 4.5, I expect). Could we keep track of the active grants in the Gnttab libary, and force a page duplication at that point instead? That would fix it for any other Cstruct consumers as well, and be a more logical place to insert Xen version detection in the future to remove the extra copy if not needed. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Fri Jul 25 23:31:59 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 25 Jul 2014 23:31:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAoxp-0007Wq-Qi; Fri, 25 Jul 2014 23:31:49 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAoxo-0007Wl-CK for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 23:31:48 +0000 Received: from [85.158.137.68:58121] by server-11.bemta-3.messagelabs.com id A6/78-04507-3E8E2D35; Fri, 25 Jul 2014 23:31:47 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-3.tower-31.messagelabs.com!1406331106!18157052!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16474 invoked from network); 25 Jul 2014 23:31:46 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-3.tower-31.messagelabs.com with SMTP; 25 Jul 2014 23:31:46 -0000 Received: (qmail 27313 invoked by uid 634); 25 Jul 2014 23:31:46 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from Unknown (HELO [10.1.0.212]) (12.168.40.226) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Sat, 26 Jul 2014 00:31:42 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 25 Jul 2014 16:31:36 -0700 Message-Id: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 25 Jul 2014, at 04:54, Thomas Leonard wrote: > > Here's a slightly better work-around: > > https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad > > It changes the TCP packet splitting code so that the second part of > the page is copied to a new IO page. This avoids sending the same > physical page to Linux twice (which is what doesn't work). > > With this, the previous hack can be reverted. > > In my testing, this increased the streaming TCP download speed from 56 > KB/s to 3.9 MB/s on the CubieTruck. This is certainly a fix that works, but I'm loath to insert an unnecessary copy in the TCP stack just because of a limitation in Xen/ARM (that will go away in Xen 4.5, I expect). Could we keep track of the active grants in the Gnttab libary, and force a page duplication at that point instead? That would fix it for any other Cstruct consumers as well, and be a more logical place to insert Xen version detection in the future to remove the extra copy if not needed. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 26 09:27:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 26 Jul 2014 09:27:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyGE-0005Fg-46; Sat, 26 Jul 2014 09:27:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyGD-0005Fb-8K for mirageos-devel@lists.xenproject.org; Sat, 26 Jul 2014 09:27:25 +0000 Received: from [193.109.254.147:8642] by server-15.bemta-14.messagelabs.com id 53/71-30948-C7473D35; Sat, 26 Jul 2014 09:27:24 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1406366841!11846411!1 X-Originating-IP: [209.85.220.41] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23508 invoked from network); 26 Jul 2014 09:27:22 -0000 Received: from mail-pa0-f41.google.com (HELO mail-pa0-f41.google.com) (209.85.220.41) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 26 Jul 2014 09:27:22 -0000 Received: by mail-pa0-f41.google.com with SMTP id rd3so7456862pab.14 for ; Sat, 26 Jul 2014 02:27:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=D5PVejajsGcMAO9YAN/WomFeoFMhlwPQ3NQwJuVAE00=; b=Su6z6yWmZbz1AAKWN+FtfCyihg9nOu6WGlDDjzzEC/uOPRmUF8c0z/Lbmk0U5Q1f5O iQ9DXpIvf+TOWi8tUomjxPRrtNeS2q1riHjYaQC4fyZOQ6ICbHWHrZ8HYKK0OWVM15oK deZzL8sIdiStm0Tuar6wkDK5F9n23rDqsr47Gxk+cHYjGVmp5dD48Tmh8l6Iffn9X6J6 lmfamFh6flDzQ63n3X+7M0KQW5ZwufKDnqplCvGrbvk4WnR9uPu4SFWxOA7UYwVuqsvh QNocYnepL+BZn5cTIm3j5oqx3gb7tfiPlyQ3Z5R+zmWHI1+y6GcYesJNcc/zIFGby+YN Gg4w== MIME-Version: 1.0 X-Received: by 10.70.102.66 with SMTP id fm2mr24565536pdb.102.1406366840981; Sat, 26 Jul 2014 02:27:20 -0700 (PDT) Received: by 10.70.5.5 with HTTP; Sat, 26 Jul 2014 02:27:20 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Sat, 26 Jul 2014 10:27:20 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7818496884834517288==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7818496884834517288== Content-Type: multipart/alternative; boundary=001a11c30bbefb129b04ff154bdc --001a11c30bbefb129b04ff154bdc Content-Type: text/plain; charset=UTF-8 On Saturday, July 26, 2014, Anil Madhavapeddy wrote: > On 25 Jul 2014, at 04:54, Thomas Leonard > > wrote: > > > > Here's a slightly better work-around: > > > > > https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad > > > > It changes the TCP packet splitting code so that the second part of > > the page is copied to a new IO page. This avoids sending the same > > physical page to Linux twice (which is what doesn't work). > > > > With this, the previous hack can be reverted. > > > > In my testing, this increased the streaming TCP download speed from 56 > > KB/s to 3.9 MB/s on the CubieTruck. > > This is certainly a fix that works, but I'm loath to insert an unnecessary > copy in the TCP stack just because of a limitation in Xen/ARM (that will go > away in Xen 4.5, I expect). > > Could we keep track of the active grants in the Gnttab libary, and force a > page duplication at that point instead? That would fix it for any other > Cstruct consumers as well, and be a more logical place to insert Xen > version detection in the future to remove the extra copy if not needed. If the problem is granting the same page twice, would it be enough to maintain a map of page address to (grant index * refount), and then "grant_access" could return the existing grant id and bump the refcount? I think we just need to share the grant, rather than duplicate the page. (Is that right?) Cheers, Dave > > -anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --001a11c30bbefb129b04ff154bdc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

On Saturday, July 26, 2014, Anil Madhavapeddy <anil@recoil.org> wrote:
On 25 Jul 2014, at 04:54, Thomas Leonard <talex5@gmail.c= om> wrote:
>
> Here's a slightly better work-around:
>
> https://github.com/talex5/mi= rage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad
>
> It changes the TCP packet splitting code so that the second part of > the page is copied to a new IO page. This avoids sending the same
> physical page to Linux twice (which is what doesn't work).
>
> With this, the previous hack can be reverted.
>
> In my testing, this increased the streaming TCP download speed from 56=
> KB/s to 3.9 MB/s on the CubieTruck.

This is certainly a fix that works, but I'm loath to insert an unnecess= ary
copy in the TCP stack just because of a limitation in Xen/ARM (that will go=
away in Xen 4.5, I expect).

Could we keep track of the active grants in the Gnttab libary, and force a<= br> page duplication at that point instead? =C2=A0That would fix it for any oth= er
Cstruct consumers as well, and be a more logical place to insert Xen
version detection in the future to remove the extra copy if not needed.

If the problem is granting the same page twice= , would=C2=A0it be enough to maintain a map of page address to (grant index= * refount), and then "grant_access" could return the existing gr= ant id and bump the refcount? I think we just need to share the grant, rath= er than duplicate the page. (Is that right?)

Cheers,
Dave

=C2=A0<= /div>

-anil
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org<= br> http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel


--
Dave Scott
--001a11c30bbefb129b04ff154bdc-- --===============7818496884834517288== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7818496884834517288==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 26 09:27:31 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 26 Jul 2014 09:27:31 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyGE-0005Fg-46; Sat, 26 Jul 2014 09:27:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyGD-0005Fb-8K for mirageos-devel@lists.xenproject.org; Sat, 26 Jul 2014 09:27:25 +0000 Received: from [193.109.254.147:8642] by server-15.bemta-14.messagelabs.com id 53/71-30948-C7473D35; Sat, 26 Jul 2014 09:27:24 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-3.tower-27.messagelabs.com!1406366841!11846411!1 X-Originating-IP: [209.85.220.41] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23508 invoked from network); 26 Jul 2014 09:27:22 -0000 Received: from mail-pa0-f41.google.com (HELO mail-pa0-f41.google.com) (209.85.220.41) by server-3.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 26 Jul 2014 09:27:22 -0000 Received: by mail-pa0-f41.google.com with SMTP id rd3so7456862pab.14 for ; Sat, 26 Jul 2014 02:27:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=D5PVejajsGcMAO9YAN/WomFeoFMhlwPQ3NQwJuVAE00=; b=Su6z6yWmZbz1AAKWN+FtfCyihg9nOu6WGlDDjzzEC/uOPRmUF8c0z/Lbmk0U5Q1f5O iQ9DXpIvf+TOWi8tUomjxPRrtNeS2q1riHjYaQC4fyZOQ6ICbHWHrZ8HYKK0OWVM15oK deZzL8sIdiStm0Tuar6wkDK5F9n23rDqsr47Gxk+cHYjGVmp5dD48Tmh8l6Iffn9X6J6 lmfamFh6flDzQ63n3X+7M0KQW5ZwufKDnqplCvGrbvk4WnR9uPu4SFWxOA7UYwVuqsvh QNocYnepL+BZn5cTIm3j5oqx3gb7tfiPlyQ3Z5R+zmWHI1+y6GcYesJNcc/zIFGby+YN Gg4w== MIME-Version: 1.0 X-Received: by 10.70.102.66 with SMTP id fm2mr24565536pdb.102.1406366840981; Sat, 26 Jul 2014 02:27:20 -0700 (PDT) Received: by 10.70.5.5 with HTTP; Sat, 26 Jul 2014 02:27:20 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Sat, 26 Jul 2014 10:27:20 +0100 Message-ID: From: David Scott To: Anil Madhavapeddy Cc: David Scott , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7818496884834517288==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7818496884834517288== Content-Type: multipart/alternative; boundary=001a11c30bbefb129b04ff154bdc --001a11c30bbefb129b04ff154bdc Content-Type: text/plain; charset=UTF-8 On Saturday, July 26, 2014, Anil Madhavapeddy wrote: > On 25 Jul 2014, at 04:54, Thomas Leonard > > wrote: > > > > Here's a slightly better work-around: > > > > > https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad > > > > It changes the TCP packet splitting code so that the second part of > > the page is copied to a new IO page. This avoids sending the same > > physical page to Linux twice (which is what doesn't work). > > > > With this, the previous hack can be reverted. > > > > In my testing, this increased the streaming TCP download speed from 56 > > KB/s to 3.9 MB/s on the CubieTruck. > > This is certainly a fix that works, but I'm loath to insert an unnecessary > copy in the TCP stack just because of a limitation in Xen/ARM (that will go > away in Xen 4.5, I expect). > > Could we keep track of the active grants in the Gnttab libary, and force a > page duplication at that point instead? That would fix it for any other > Cstruct consumers as well, and be a more logical place to insert Xen > version detection in the future to remove the extra copy if not needed. If the problem is granting the same page twice, would it be enough to maintain a map of page address to (grant index * refount), and then "grant_access" could return the existing grant id and bump the refcount? I think we just need to share the grant, rather than duplicate the page. (Is that right?) Cheers, Dave > > -anil > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --001a11c30bbefb129b04ff154bdc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

On Saturday, July 26, 2014, Anil Madhavapeddy <anil@recoil.org> wrote:
On 25 Jul 2014, at 04:54, Thomas Leonard <talex5@gmail.c= om> wrote:
>
> Here's a slightly better work-around:
>
> https://github.com/talex5/mi= rage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad
>
> It changes the TCP packet splitting code so that the second part of > the page is copied to a new IO page. This avoids sending the same
> physical page to Linux twice (which is what doesn't work).
>
> With this, the previous hack can be reverted.
>
> In my testing, this increased the streaming TCP download speed from 56=
> KB/s to 3.9 MB/s on the CubieTruck.

This is certainly a fix that works, but I'm loath to insert an unnecess= ary
copy in the TCP stack just because of a limitation in Xen/ARM (that will go=
away in Xen 4.5, I expect).

Could we keep track of the active grants in the Gnttab libary, and force a<= br> page duplication at that point instead? =C2=A0That would fix it for any oth= er
Cstruct consumers as well, and be a more logical place to insert Xen
version detection in the future to remove the extra copy if not needed.

If the problem is granting the same page twice= , would=C2=A0it be enough to maintain a map of page address to (grant index= * refount), and then "grant_access" could return the existing gr= ant id and bump the refcount? I think we just need to share the grant, rath= er than duplicate the page. (Is that right?)

Cheers,
Dave

=C2=A0<= /div>

-anil
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org<= br> http://lists.xenproject.org/cgi-bin/mailman/listinfo= /mirageos-devel


--
Dave Scott
--001a11c30bbefb129b04ff154bdc-- --===============7818496884834517288== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============7818496884834517288==-- From mirageos-devel-bounces@lists.xenproject.org Sat Jul 26 09:40:52 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 26 Jul 2014 09:40:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyTC-0006Ab-I9; Sat, 26 Jul 2014 09:40:50 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyTB-0006AU-34 for mirageos-devel@lists.xenproject.org; Sat, 26 Jul 2014 09:40:49 +0000 Received: from [85.158.137.68:20191] by server-10.bemta-3.messagelabs.com id 95/6E-28313-0A773D35; Sat, 26 Jul 2014 09:40:48 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-4.tower-31.messagelabs.com!1406367647!18109687!1 X-Originating-IP: [74.125.82.52] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18978 invoked from network); 26 Jul 2014 09:40:47 -0000 Received: from mail-wg0-f52.google.com (HELO mail-wg0-f52.google.com) (74.125.82.52) by server-4.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 26 Jul 2014 09:40:47 -0000 Received: by mail-wg0-f52.google.com with SMTP id a1so5079108wgh.23 for ; Sat, 26 Jul 2014 02:40:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject:date :references:to:message-id:mime-version; bh=oc+B8ziputD+hxVAaPwsThJEZ+4WbYq8LdVjGHYlXmU=; b=fz5E1VFnoXqBw5AuSrjB4L2F+tBLVfzDXMNsNLEzYFUtKZafSxvHpsLYA7TELQn0Sp 8/xgiT64krWmKPQXXo3J5xE4lvNKVFje7QrwXdbkO0th1R1marjYsfpZl5+HBTRwdWeZ EkkFrM05U7fbH2IXpdVBbqGgUMYspOvh3uk2xU2WKRTGEPOb5t8GhNK0tunvdHxSEE5Y ND/mZnZJ0qAXzECPTSg5ZGBhuntEqjDCyUdb99u8YqwqSrp7cPcD1XtUvhzk8mSiDqIp PmbHbrFFcKVk7WtuOFzWl+9QLNN5V8Xj7pCpw6DF2Cmbb1407BZpfjf3+Ncd6aqnNTrN Rl8Q== X-Received: by 10.180.38.51 with SMTP id d19mr12376230wik.10.1406367646617; Sat, 26 Jul 2014 02:40:46 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id ez1sm5630524wib.15.2014.07.26.02.40.45 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 26 Jul 2014 02:40:45 -0700 (PDT) From: Thomas Gazagnaire Date: Sat, 26 Jul 2014 10:40:46 +0100 References: To: mirageos-devel Message-Id: <23CB688E-AE78-4134-9D2D-318735D179B7@gazagnaire.org> Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) X-Mailer: Apple Mail (2.1878.6) Subject: [MirageOS-devel] Fwd: blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've accidentally made this replies directly to Malcom ... sharing them on the list as it could interest more people. Thomas > From: Thomas Gazagnaire > Subject: Re: [MirageOS-devel] blog post on Irmin > Date: 22 July 2014 11:35:02 BST > To: Malcolm Matalka > > In some cases, doing 2-way merge is not possible (ex: distributed counters where you represent them as int). In some cases, 2-way merge is not efficient / not precise (ex: 2-way merge of files). But sometimes, it's good enough for what you need and want (ex: CRDT where all what you need to do your merge is in the state anyway). So I think it's good to let the user choose. What I'm thinking currently (but this could change) is to make the ~old argument in the 3-merge function lazy. > > To come back to your initial question: if you have no information on the context in which your are using the two concurrent values, yes you have a conflict. But you can also know that you are adding values in a given record of a type t (the type t is the context). In this case, you can associate the semantics you want to each field -- they can each have their own semantics guarantees. For instance, you might want to store all updates in a set, and the read always returns the full set, a semantics very close to amazon's Dynamo: in Irmin terms, the merge function for that field will be just a set union. > > I plan to write a more detailed post on merges and conflicts in Irmin over the summer. > > Thomas > > > > On 22 Jul 2014, at 09:55, Malcolm Matalka wrote: > >> Hrm, if someone has to be able to handle a 2-way merge anyways, then >> doesn't that make the 3-way merge less useful? If I can add/add any two >> values then I need to be able to do 2 way resolution on any two values >> anyways. >> >> Thomas Gazagnaire writes: >> >>>> In the blog post it says merge's are always done as a 3-way merge. Does >>>> that mean it's not possible to create the same key concurrently, >>>> producing a situation where you have conflicting values but no 'old' >>>> value? >>> >>> By default, it is indeed the case. It is called an `add/add` conflict: see https://github.com/mirage/irmin/blob/32e8dfde86d8cfd37173fc65aa7514f3a9b50c6a/lib/core/irminMerge.ml#L225 >>> >>> we plan to add some more limited 2-merge functions (to deal with such cases) later on. >>> >>> An other option is to defined your own custom data-type and wrap it in a `'a option` type. You can then define your 3-merge function on 't option` and specify what you want to have in that case. >>> >>> -- >>> Thomas >>> >>> >>>> >>>> Anil Madhavapeddy writes: >>>> >>>>> On 21 Jul 2014, at 01:43, Thomas Gazagnaire wrote: >>>>>> Hi, >>>>>> >>>>>> For those who haven't seen it yet, we've published a blog post on Irmin last friday: >>>>>> >>>>>> http://openmirage.org/blog/introducing-irmin >>>>>> >>>>>> the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 >>>>>> >>>>> >>>>> And a followup just went live by Dave on his use of Irmin in Xenstore (perhaps >>>>> not the simplest one to start with, but hey, it's a pretty darn "real world" use >>>>> case). Perhaps something more gentle like calendar sync next though :-) >>>>> >>>>> http://openmirage.org/blog/introducing-irmin-in-xenstore >>>>> >>>>> -anil >>>>> >>>>> >>>>> _______________________________________________ >>>>> MirageOS-devel mailing list >>>>> MirageOS-devel@lists.xenproject.org >>>>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sat Jul 26 09:40:52 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 26 Jul 2014 09:40:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyTC-0006Ab-I9; Sat, 26 Jul 2014 09:40:50 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAyTB-0006AU-34 for mirageos-devel@lists.xenproject.org; Sat, 26 Jul 2014 09:40:49 +0000 Received: from [85.158.137.68:20191] by server-10.bemta-3.messagelabs.com id 95/6E-28313-0A773D35; Sat, 26 Jul 2014 09:40:48 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-4.tower-31.messagelabs.com!1406367647!18109687!1 X-Originating-IP: [74.125.82.52] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18978 invoked from network); 26 Jul 2014 09:40:47 -0000 Received: from mail-wg0-f52.google.com (HELO mail-wg0-f52.google.com) (74.125.82.52) by server-4.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 26 Jul 2014 09:40:47 -0000 Received: by mail-wg0-f52.google.com with SMTP id a1so5079108wgh.23 for ; Sat, 26 Jul 2014 02:40:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:content-type:content-transfer-encoding:subject:date :references:to:message-id:mime-version; bh=oc+B8ziputD+hxVAaPwsThJEZ+4WbYq8LdVjGHYlXmU=; b=fz5E1VFnoXqBw5AuSrjB4L2F+tBLVfzDXMNsNLEzYFUtKZafSxvHpsLYA7TELQn0Sp 8/xgiT64krWmKPQXXo3J5xE4lvNKVFje7QrwXdbkO0th1R1marjYsfpZl5+HBTRwdWeZ EkkFrM05U7fbH2IXpdVBbqGgUMYspOvh3uk2xU2WKRTGEPOb5t8GhNK0tunvdHxSEE5Y ND/mZnZJ0qAXzECPTSg5ZGBhuntEqjDCyUdb99u8YqwqSrp7cPcD1XtUvhzk8mSiDqIp PmbHbrFFcKVk7WtuOFzWl+9QLNN5V8Xj7pCpw6DF2Cmbb1407BZpfjf3+Ncd6aqnNTrN Rl8Q== X-Received: by 10.180.38.51 with SMTP id d19mr12376230wik.10.1406367646617; Sat, 26 Jul 2014 02:40:46 -0700 (PDT) Received: from [192.168.0.8] (cpc25-cmbg14-2-0-cust121.5-4.cable.virginm.net. [213.106.112.122]) by mx.google.com with ESMTPSA id ez1sm5630524wib.15.2014.07.26.02.40.45 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 26 Jul 2014 02:40:45 -0700 (PDT) From: Thomas Gazagnaire Date: Sat, 26 Jul 2014 10:40:46 +0100 References: To: mirageos-devel Message-Id: <23CB688E-AE78-4134-9D2D-318735D179B7@gazagnaire.org> Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) X-Mailer: Apple Mail (2.1878.6) Subject: [MirageOS-devel] Fwd: blog post on Irmin X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've accidentally made this replies directly to Malcom ... sharing them on the list as it could interest more people. Thomas > From: Thomas Gazagnaire > Subject: Re: [MirageOS-devel] blog post on Irmin > Date: 22 July 2014 11:35:02 BST > To: Malcolm Matalka > > In some cases, doing 2-way merge is not possible (ex: distributed counters where you represent them as int). In some cases, 2-way merge is not efficient / not precise (ex: 2-way merge of files). But sometimes, it's good enough for what you need and want (ex: CRDT where all what you need to do your merge is in the state anyway). So I think it's good to let the user choose. What I'm thinking currently (but this could change) is to make the ~old argument in the 3-merge function lazy. > > To come back to your initial question: if you have no information on the context in which your are using the two concurrent values, yes you have a conflict. But you can also know that you are adding values in a given record of a type t (the type t is the context). In this case, you can associate the semantics you want to each field -- they can each have their own semantics guarantees. For instance, you might want to store all updates in a set, and the read always returns the full set, a semantics very close to amazon's Dynamo: in Irmin terms, the merge function for that field will be just a set union. > > I plan to write a more detailed post on merges and conflicts in Irmin over the summer. > > Thomas > > > > On 22 Jul 2014, at 09:55, Malcolm Matalka wrote: > >> Hrm, if someone has to be able to handle a 2-way merge anyways, then >> doesn't that make the 3-way merge less useful? If I can add/add any two >> values then I need to be able to do 2 way resolution on any two values >> anyways. >> >> Thomas Gazagnaire writes: >> >>>> In the blog post it says merge's are always done as a 3-way merge. Does >>>> that mean it's not possible to create the same key concurrently, >>>> producing a situation where you have conflicting values but no 'old' >>>> value? >>> >>> By default, it is indeed the case. It is called an `add/add` conflict: see https://github.com/mirage/irmin/blob/32e8dfde86d8cfd37173fc65aa7514f3a9b50c6a/lib/core/irminMerge.ml#L225 >>> >>> we plan to add some more limited 2-merge functions (to deal with such cases) later on. >>> >>> An other option is to defined your own custom data-type and wrap it in a `'a option` type. You can then define your 3-merge function on 't option` and specify what you want to have in that case. >>> >>> -- >>> Thomas >>> >>> >>>> >>>> Anil Madhavapeddy writes: >>>> >>>>> On 21 Jul 2014, at 01:43, Thomas Gazagnaire wrote: >>>>>> Hi, >>>>>> >>>>>> For those who haven't seen it yet, we've published a blog post on Irmin last friday: >>>>>> >>>>>> http://openmirage.org/blog/introducing-irmin >>>>>> >>>>>> the thread on HN with interesting comments: https://news.ycombinator.com/item?id=8053687 >>>>>> >>>>> >>>>> And a followup just went live by Dave on his use of Irmin in Xenstore (perhaps >>>>> not the simplest one to start with, but hey, it's a pretty darn "real world" use >>>>> case). Perhaps something more gentle like calendar sync next though :-) >>>>> >>>>> http://openmirage.org/blog/introducing-irmin-in-xenstore >>>>> >>>>> -anil >>>>> >>>>> >>>>> _______________________________________________ >>>>> MirageOS-devel mailing list >>>>> MirageOS-devel@lists.xenproject.org >>>>> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Sun Jul 27 14:24:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 27 Jul 2014 14:24:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBPMt-00054X-E1; Sun, 27 Jul 2014 14:24:07 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAhG8-0003XW-QS for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 15:18:12 +0000 Received: from [85.158.143.35:42033] by server-2.bemta-4.messagelabs.com id AE/0F-04525-43572D35; Fri, 25 Jul 2014 15:18:12 +0000 X-Env-Sender: Joao.Martins@neclab.eu X-Msg-Ref: server-4.tower-21.messagelabs.com!1406301489!20179809!1 X-Originating-IP: [195.37.70.40] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19733 invoked from network); 25 Jul 2014 15:18:09 -0000 Received: from mailer1.neclab.eu (HELO mailer1.neclab.eu) (195.37.70.40) by server-4.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 25 Jul 2014 15:18:09 -0000 Received: from localhost (localhost [127.0.0.1]) by mailer1.neclab.eu (Postfix) with ESMTP id E80D7107837; Fri, 25 Jul 2014 17:18:08 +0200 (CEST) X-Virus-Scanned: Amavisd on Debian GNU/Linux (netlab.nec.de) Received: from mailer1.neclab.eu ([127.0.0.1]) by localhost (atlas-a.office.hd [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iFjTpVxyU2vL; Fri, 25 Jul 2014 17:18:08 +0200 (CEST) X-ENC: Last-Hop-TLS-encrypted X-ENC: Last-Hop-TLS-encrypted Received: from METHONE.office.hd (methone.office.hd [192.168.24.54]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mailer1.neclab.eu (Postfix) with ESMTPS id C9FA7107834; Fri, 25 Jul 2014 17:17:58 +0200 (CEST) Received: from PALLENE.office.hd ([169.254.1.96]) by METHONE.office.hd ([192.168.24.54]) with mapi id 14.01.0323.003; Fri, 25 Jul 2014 17:17:58 +0200 From: Joao Martins To: Anil Madhavapeddy Thread-Topic: suspend/resume in MiniOS Thread-Index: AQHPmpCMrvwrR+tL4U2GvZrcnKW2ZZuw4JGA Date: Fri, 25 Jul 2014 15:17:58 +0000 Message-ID: <5D13371A-6081-4D92-A62D-6050008B9813@neclab.eu> References: In-Reply-To: Accept-Language: en-US, de-DE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.1.99.29] MIME-Version: 1.0 X-Mailman-Approved-At: Sun, 27 Jul 2014 14:24:06 +0000 Cc: Felipe Huici , Filipe Manco , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] suspend/resume in MiniOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0235458512479994528==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0235458512479994528== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_5D13371A60814D92A62D6050008B9813neclabeu_" --_000_5D13371A60814D92A62D6050008B9813neclabeu_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hey Anil, CCing Filipe, the author of suspend/resume work, he should have comments on= the arch_rebuild_p2m. These are *not yet* against xen-unstable, but you can checkout the implemen= tation here: https://github.com/cnplab/mini-os/blob/master/arch/x86/mm.c#L944 Cheers, Joao On 08 Jul 2014, at 11:39, Anil Madhavapeddy > wrote: We're just about ready to merge in Thomas Leonard's external MiniOS patches= into Mirage: https://github.com/mirage/mirage-platform/pull/93 The only known regression from our local MiniOS to the external one is x86 = suspend/resume support, so I wanted to find out what the latest state of up= stream support is. CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are= these available against xen-unstable for us to merge? Jon Ludlam did the original MirageOS support; any comments on the arch_rebu= ild_p2m query from Thomas? cheers, Anil --_000_5D13371A60814D92A62D6050008B9813neclabeu_ Content-Type: text/html; charset="us-ascii" Content-ID: <127744EB40EDDC499D0ACDE135242C87@office.hd> Content-Transfer-Encoding: quoted-printable
Hey Anil,

CCing Filipe, the author of suspend/resume work, he should have commen= ts on the arch_rebuild_p2m.

These are *not yet* against xen-unstable, but you can checkout the imp= lementation here:


Cheers,
Joao

On 08 Jul 2014, at 11:39, Anil Madhavapeddy <anil@recoil.org> wrote:

We're just about ready to merge in Thomas Leonard= 's external MiniOS patches into Mirage:
https://githu= b.com/mirage/mirage-platform/pull/93

The only known regression from our local MiniOS to the external one is x86 = suspend/resume support, so I wanted to find out what the latest state of up= stream support is.

CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are= these available against xen-unstable for us to merge?

Jon Ludlam did the original MirageOS support; any comments on the arch_rebu= ild_p2m query from Thomas?

cheers,
Anil



--_000_5D13371A60814D92A62D6050008B9813neclabeu_-- --===============0235458512479994528== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0235458512479994528==-- From mirageos-devel-bounces@lists.xenproject.org Sun Jul 27 14:24:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sun, 27 Jul 2014 14:24:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBPMt-00054X-E1; Sun, 27 Jul 2014 14:24:07 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XAhG8-0003XW-QS for mirageos-devel@lists.xenproject.org; Fri, 25 Jul 2014 15:18:12 +0000 Received: from [85.158.143.35:42033] by server-2.bemta-4.messagelabs.com id AE/0F-04525-43572D35; Fri, 25 Jul 2014 15:18:12 +0000 X-Env-Sender: Joao.Martins@neclab.eu X-Msg-Ref: server-4.tower-21.messagelabs.com!1406301489!20179809!1 X-Originating-IP: [195.37.70.40] X-SpamReason: No, hits=0.6 required=7.0 tests=HTML_40_50,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19733 invoked from network); 25 Jul 2014 15:18:09 -0000 Received: from mailer1.neclab.eu (HELO mailer1.neclab.eu) (195.37.70.40) by server-4.tower-21.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 25 Jul 2014 15:18:09 -0000 Received: from localhost (localhost [127.0.0.1]) by mailer1.neclab.eu (Postfix) with ESMTP id E80D7107837; Fri, 25 Jul 2014 17:18:08 +0200 (CEST) X-Virus-Scanned: Amavisd on Debian GNU/Linux (netlab.nec.de) Received: from mailer1.neclab.eu ([127.0.0.1]) by localhost (atlas-a.office.hd [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iFjTpVxyU2vL; Fri, 25 Jul 2014 17:18:08 +0200 (CEST) X-ENC: Last-Hop-TLS-encrypted X-ENC: Last-Hop-TLS-encrypted Received: from METHONE.office.hd (methone.office.hd [192.168.24.54]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by mailer1.neclab.eu (Postfix) with ESMTPS id C9FA7107834; Fri, 25 Jul 2014 17:17:58 +0200 (CEST) Received: from PALLENE.office.hd ([169.254.1.96]) by METHONE.office.hd ([192.168.24.54]) with mapi id 14.01.0323.003; Fri, 25 Jul 2014 17:17:58 +0200 From: Joao Martins To: Anil Madhavapeddy Thread-Topic: suspend/resume in MiniOS Thread-Index: AQHPmpCMrvwrR+tL4U2GvZrcnKW2ZZuw4JGA Date: Fri, 25 Jul 2014 15:17:58 +0000 Message-ID: <5D13371A-6081-4D92-A62D-6050008B9813@neclab.eu> References: In-Reply-To: Accept-Language: en-US, de-DE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.1.99.29] MIME-Version: 1.0 X-Mailman-Approved-At: Sun, 27 Jul 2014 14:24:06 +0000 Cc: Felipe Huici , Filipe Manco , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] suspend/resume in MiniOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0235458512479994528==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============0235458512479994528== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_5D13371A60814D92A62D6050008B9813neclabeu_" --_000_5D13371A60814D92A62D6050008B9813neclabeu_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hey Anil, CCing Filipe, the author of suspend/resume work, he should have comments on= the arch_rebuild_p2m. These are *not yet* against xen-unstable, but you can checkout the implemen= tation here: https://github.com/cnplab/mini-os/blob/master/arch/x86/mm.c#L944 Cheers, Joao On 08 Jul 2014, at 11:39, Anil Madhavapeddy > wrote: We're just about ready to merge in Thomas Leonard's external MiniOS patches= into Mirage: https://github.com/mirage/mirage-platform/pull/93 The only known regression from our local MiniOS to the external one is x86 = suspend/resume support, so I wanted to find out what the latest state of up= stream support is. CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are= these available against xen-unstable for us to merge? Jon Ludlam did the original MirageOS support; any comments on the arch_rebu= ild_p2m query from Thomas? cheers, Anil --_000_5D13371A60814D92A62D6050008B9813neclabeu_ Content-Type: text/html; charset="us-ascii" Content-ID: <127744EB40EDDC499D0ACDE135242C87@office.hd> Content-Transfer-Encoding: quoted-printable
Hey Anil,

CCing Filipe, the author of suspend/resume work, he should have commen= ts on the arch_rebuild_p2m.

These are *not yet* against xen-unstable, but you can checkout the imp= lementation here:


Cheers,
Joao

On 08 Jul 2014, at 11:39, Anil Madhavapeddy <anil@recoil.org> wrote:

We're just about ready to merge in Thomas Leonard= 's external MiniOS patches into Mirage:
https://githu= b.com/mirage/mirage-platform/pull/93

The only known regression from our local MiniOS to the external one is x86 = suspend/resume support, so I wanted to find out what the latest state of up= stream support is.

CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are= these available against xen-unstable for us to merge?

Jon Ludlam did the original MirageOS support; any comments on the arch_rebu= ild_p2m query from Thomas?

cheers,
Anil



--_000_5D13371A60814D92A62D6050008B9813neclabeu_-- --===============0235458512479994528== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============0235458512479994528==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 09:19:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 09:19:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBh5g-00042p-FS; Mon, 28 Jul 2014 09:19:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBh5f-00041k-5X for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 09:19:31 +0000 Received: from [85.158.139.211:64843] by server-3.bemta-5.messagelabs.com id 3F/76-13873-2A516D35; Mon, 28 Jul 2014 09:19:30 +0000 X-Env-Sender: Jonathan.Ludlam@citrix.com X-Msg-Ref: server-9.tower-206.messagelabs.com!1406539168!17922544!1 X-Originating-IP: [66.165.176.63] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni42MyA9PiAzMDYwNDg=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23645 invoked from network); 28 Jul 2014 09:19:29 -0000 Received: from smtp02.citrix.com (HELO SMTP02.CITRIX.COM) (66.165.176.63) by server-9.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 28 Jul 2014 09:19:29 -0000 X-IronPort-AV: E=Sophos;i="5.01,747,1400025600"; d="scan'208,217";a="156833103" Received: from accessns.citrite.net (HELO FTLPEX01CL03.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP; 28 Jul 2014 09:19:29 +0000 Received: from [10.80.3.75] (10.80.3.75) by FTLPEX01CL03.citrite.net (10.13.107.80) with Microsoft SMTP Server id 14.3.181.6; Mon, 28 Jul 2014 05:19:26 -0400 Message-ID: <53D615A0.2080400@eu.citrix.com> Date: Mon, 28 Jul 2014 10:19:28 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: References: <5D13371A-6081-4D92-A62D-6050008B9813@neclab.eu> In-Reply-To: <5D13371A-6081-4D92-A62D-6050008B9813@neclab.eu> X-Originating-IP: [10.80.3.75] X-DLP: MIA1 Subject: Re: [MirageOS-devel] suspend/resume in MiniOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1509542423384662675==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1509542423384662675== Content-Type: multipart/alternative; boundary="------------020601070208050605000804" --------------020601070208050605000804 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Hi all, It'd be great to get all of the suspend/resume code back into upstream. The arch_rebuild_p2m function we need in Mirage is quite straightforward; we never mess with it at runtime so we just need to set it up at start of day, and fix it on resume. It looks to be the same for clickos too. I wonder if any other of the potential mini-os users need anything more complicated? The implementation for mirage is here: https://github.com/mirage/mirage-platform/blob/d263551d45727882ebebc20c6a601618ec9574ec/xen/runtime/kernel/x86_mm.c#L872 I prefer the variable names of the cnplab implementation, but the mirage one looks like it has slightly less code duplication. I'm not very bothered though :-) Jon On 25/07/14 16:17, Joao Martins wrote: > Hey Anil, > > CCing Filipe, the author of suspend/resume work, he should have > comments on the arch_rebuild_p2m. > > These are *not yet* against xen-unstable, but you can checkout the > implementation here: > > https://github.com/cnplab/mini-os/blob/master/arch/x86/mm.c#L944 > > Cheers, > Joao > > On 08 Jul 2014, at 11:39, Anil Madhavapeddy > wrote: > >> We're just about ready to merge in Thomas Leonard's external MiniOS >> patches into Mirage: >> https://github.com/mirage/mirage-platform/pull/93 >> >> The only known regression from our local MiniOS to the external one >> is x86 suspend/resume support, so I wanted to find out what the >> latest state of upstream support is. >> >> CCing Joao/Felipe: you mentioned at the hackathon that you had >> patches; are these available against xen-unstable for us to merge? >> >> Jon Ludlam did the original MirageOS support; any comments on the >> arch_rebuild_p2m query from Thomas? >> >> cheers, >> Anil >> >> > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --------------020601070208050605000804 Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit
Hi all,

It'd be great to get all of the suspend/resume code back into upstream. The arch_rebuild_p2m function we need in Mirage is quite straightforward; we never mess with it at runtime so we just need to set it up at start of day, and fix it on resume. It looks to be the same for clickos too. I wonder if any other of the potential mini-os users need anything more complicated? 

The implementation for mirage is here: https://github.com/mirage/mirage-platform/blob/d263551d45727882ebebc20c6a601618ec9574ec/xen/runtime/kernel/x86_mm.c#L872

I prefer the variable names of the cnplab implementation, but the mirage one looks like it has slightly less code duplication. I'm not very bothered though :-)

Jon


On 25/07/14 16:17, Joao Martins wrote:
Hey Anil,

CCing Filipe, the author of suspend/resume work, he should have comments on the arch_rebuild_p2m.

These are *not yet* against xen-unstable, but you can checkout the implementation here:


Cheers,
Joao

On 08 Jul 2014, at 11:39, Anil Madhavapeddy <anil@recoil.org> wrote:

We're just about ready to merge in Thomas Leonard's external MiniOS patches into Mirage:
https://github.com/mirage/mirage-platform/pull/93

The only known regression from our local MiniOS to the external one is x86 suspend/resume support, so I wanted to find out what the latest state of upstream support is.

CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are these available against xen-unstable for us to merge?

Jon Ludlam did the original MirageOS support; any comments on the arch_rebuild_p2m query from Thomas?

cheers,
Anil





_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

--------------020601070208050605000804-- --===============1509542423384662675== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1509542423384662675==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 09:19:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 09:19:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBh5g-00042p-FS; Mon, 28 Jul 2014 09:19:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBh5f-00041k-5X for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 09:19:31 +0000 Received: from [85.158.139.211:64843] by server-3.bemta-5.messagelabs.com id 3F/76-13873-2A516D35; Mon, 28 Jul 2014 09:19:30 +0000 X-Env-Sender: Jonathan.Ludlam@citrix.com X-Msg-Ref: server-9.tower-206.messagelabs.com!1406539168!17922544!1 X-Originating-IP: [66.165.176.63] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni42MyA9PiAzMDYwNDg=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 23645 invoked from network); 28 Jul 2014 09:19:29 -0000 Received: from smtp02.citrix.com (HELO SMTP02.CITRIX.COM) (66.165.176.63) by server-9.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 28 Jul 2014 09:19:29 -0000 X-IronPort-AV: E=Sophos;i="5.01,747,1400025600"; d="scan'208,217";a="156833103" Received: from accessns.citrite.net (HELO FTLPEX01CL03.citrite.net) ([10.9.154.239]) by FTLPIPO02.CITRIX.COM with ESMTP; 28 Jul 2014 09:19:29 +0000 Received: from [10.80.3.75] (10.80.3.75) by FTLPEX01CL03.citrite.net (10.13.107.80) with Microsoft SMTP Server id 14.3.181.6; Mon, 28 Jul 2014 05:19:26 -0400 Message-ID: <53D615A0.2080400@eu.citrix.com> Date: Mon, 28 Jul 2014 10:19:28 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: References: <5D13371A-6081-4D92-A62D-6050008B9813@neclab.eu> In-Reply-To: <5D13371A-6081-4D92-A62D-6050008B9813@neclab.eu> X-Originating-IP: [10.80.3.75] X-DLP: MIA1 Subject: Re: [MirageOS-devel] suspend/resume in MiniOS X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1509542423384662675==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1509542423384662675== Content-Type: multipart/alternative; boundary="------------020601070208050605000804" --------------020601070208050605000804 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Hi all, It'd be great to get all of the suspend/resume code back into upstream. The arch_rebuild_p2m function we need in Mirage is quite straightforward; we never mess with it at runtime so we just need to set it up at start of day, and fix it on resume. It looks to be the same for clickos too. I wonder if any other of the potential mini-os users need anything more complicated? The implementation for mirage is here: https://github.com/mirage/mirage-platform/blob/d263551d45727882ebebc20c6a601618ec9574ec/xen/runtime/kernel/x86_mm.c#L872 I prefer the variable names of the cnplab implementation, but the mirage one looks like it has slightly less code duplication. I'm not very bothered though :-) Jon On 25/07/14 16:17, Joao Martins wrote: > Hey Anil, > > CCing Filipe, the author of suspend/resume work, he should have > comments on the arch_rebuild_p2m. > > These are *not yet* against xen-unstable, but you can checkout the > implementation here: > > https://github.com/cnplab/mini-os/blob/master/arch/x86/mm.c#L944 > > Cheers, > Joao > > On 08 Jul 2014, at 11:39, Anil Madhavapeddy > wrote: > >> We're just about ready to merge in Thomas Leonard's external MiniOS >> patches into Mirage: >> https://github.com/mirage/mirage-platform/pull/93 >> >> The only known regression from our local MiniOS to the external one >> is x86 suspend/resume support, so I wanted to find out what the >> latest state of upstream support is. >> >> CCing Joao/Felipe: you mentioned at the hackathon that you had >> patches; are these available against xen-unstable for us to merge? >> >> Jon Ludlam did the original MirageOS support; any comments on the >> arch_rebuild_p2m query from Thomas? >> >> cheers, >> Anil >> >> > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --------------020601070208050605000804 Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit
Hi all,

It'd be great to get all of the suspend/resume code back into upstream. The arch_rebuild_p2m function we need in Mirage is quite straightforward; we never mess with it at runtime so we just need to set it up at start of day, and fix it on resume. It looks to be the same for clickos too. I wonder if any other of the potential mini-os users need anything more complicated? 

The implementation for mirage is here: https://github.com/mirage/mirage-platform/blob/d263551d45727882ebebc20c6a601618ec9574ec/xen/runtime/kernel/x86_mm.c#L872

I prefer the variable names of the cnplab implementation, but the mirage one looks like it has slightly less code duplication. I'm not very bothered though :-)

Jon


On 25/07/14 16:17, Joao Martins wrote:
Hey Anil,

CCing Filipe, the author of suspend/resume work, he should have comments on the arch_rebuild_p2m.

These are *not yet* against xen-unstable, but you can checkout the implementation here:


Cheers,
Joao

On 08 Jul 2014, at 11:39, Anil Madhavapeddy <anil@recoil.org> wrote:

We're just about ready to merge in Thomas Leonard's external MiniOS patches into Mirage:
https://github.com/mirage/mirage-platform/pull/93

The only known regression from our local MiniOS to the external one is x86 suspend/resume support, so I wanted to find out what the latest state of upstream support is.

CCing Joao/Felipe: you mentioned at the hackathon that you had patches; are these available against xen-unstable for us to merge?

Jon Ludlam did the original MirageOS support; any comments on the arch_rebuild_p2m query from Thomas?

cheers,
Anil





_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

--------------020601070208050605000804-- --===============1509542423384662675== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1509542423384662675==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 16:47:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 16:47:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBo5Z-0004VZ-U6; Mon, 28 Jul 2014 16:47:53 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBo5Y-0004VL-TG for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 16:47:53 +0000 Received: from [193.109.254.147:24446] by server-6.bemta-14.messagelabs.com id EA/B2-31278-8BE76D35; Mon, 28 Jul 2014 16:47:52 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1406566071!12278502!1 X-Originating-IP: [157.55.2.12] X-SpamReason: No, hits=0.2 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_50_60,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,ML_RADAR_SPEW_LINKS_2,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11810 invoked from network); 28 Jul 2014 16:47:51 -0000 Received: from dub004-omc3s3.hotmail.com (HELO DUB004-OMC3S3.hotmail.com) (157.55.2.12) by server-15.tower-27.messagelabs.com with AES128-SHA encrypted SMTP; 28 Jul 2014 16:47:51 -0000 Received: from DUB128-W65 ([157.55.2.7]) by DUB004-OMC3S3.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Mon, 28 Jul 2014 09:47:50 -0700 X-TMN: [QskCcM5crlR1433Vs+cr8b+kBUU3Jcmv] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Mon, 28 Jul 2014 16:47:50 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 28 Jul 2014 16:47:50.0996 (UTC) FILETIME=[AB647940:01CFAA83] Subject: [MirageOS-devel] libvirt & crosscompiling for cubieboard X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5963321211214255909==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5963321211214255909== Content-Type: multipart/alternative; boundary="_2886fd76-d181-4ce6-9463-119a52bfa842_" --_2886fd76-d181-4ce6-9463-119a52bfa842_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable It's been a long libvirt journey with the end almost in sight. I'll post th= e steps a little later (they need cleaning up). However=2C I'm faced with trying to cross compile to arm in order to do a r= emote 'create'. Where is the best place to start=2C I've come across https://github.com/cgr= eenhalgh/ocaml-crosscompiling and http://lists.xenproject.org/archives/html= /mirageos-devel/2013-09/msg00082.html etc.=20 Cheers Nick = --_2886fd76-d181-4ce6-9463-119a52bfa842_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
It's been a long libvirt journey= with the end almost in sight. I'll post the steps a little later (they nee= d cleaning up).

However=2C I'm faced with trying to cross compile to= arm in order to do a remote 'create'.

Where is the best place to st= art=2C I've come across https://github.com/cgreenhalgh/ocaml-crossco= mpiling and http://lists.xenproject.o= rg/archives/html/mirageos-devel/2013-09/msg00082.html etc.

Chee= rs
Nick
= --_2886fd76-d181-4ce6-9463-119a52bfa842_-- --===============5963321211214255909== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5963321211214255909==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 16:47:58 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 16:47:58 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBo5Z-0004VZ-U6; Mon, 28 Jul 2014 16:47:53 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBo5Y-0004VL-TG for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 16:47:53 +0000 Received: from [193.109.254.147:24446] by server-6.bemta-14.messagelabs.com id EA/B2-31278-8BE76D35; Mon, 28 Jul 2014 16:47:52 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-15.tower-27.messagelabs.com!1406566071!12278502!1 X-Originating-IP: [157.55.2.12] X-SpamReason: No, hits=0.2 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_50_60,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,ML_RADAR_SPEW_LINKS_2,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11810 invoked from network); 28 Jul 2014 16:47:51 -0000 Received: from dub004-omc3s3.hotmail.com (HELO DUB004-OMC3S3.hotmail.com) (157.55.2.12) by server-15.tower-27.messagelabs.com with AES128-SHA encrypted SMTP; 28 Jul 2014 16:47:51 -0000 Received: from DUB128-W65 ([157.55.2.7]) by DUB004-OMC3S3.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Mon, 28 Jul 2014 09:47:50 -0700 X-TMN: [QskCcM5crlR1433Vs+cr8b+kBUU3Jcmv] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Mon, 28 Jul 2014 16:47:50 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 28 Jul 2014 16:47:50.0996 (UTC) FILETIME=[AB647940:01CFAA83] Subject: [MirageOS-devel] libvirt & crosscompiling for cubieboard X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5963321211214255909==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5963321211214255909== Content-Type: multipart/alternative; boundary="_2886fd76-d181-4ce6-9463-119a52bfa842_" --_2886fd76-d181-4ce6-9463-119a52bfa842_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable It's been a long libvirt journey with the end almost in sight. I'll post th= e steps a little later (they need cleaning up). However=2C I'm faced with trying to cross compile to arm in order to do a r= emote 'create'. Where is the best place to start=2C I've come across https://github.com/cgr= eenhalgh/ocaml-crosscompiling and http://lists.xenproject.org/archives/html= /mirageos-devel/2013-09/msg00082.html etc.=20 Cheers Nick = --_2886fd76-d181-4ce6-9463-119a52bfa842_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
It's been a long libvirt journey= with the end almost in sight. I'll post the steps a little later (they nee= d cleaning up).

However=2C I'm faced with trying to cross compile to= arm in order to do a remote 'create'.

Where is the best place to st= art=2C I've come across https://github.com/cgreenhalgh/ocaml-crossco= mpiling and http://lists.xenproject.o= rg/archives/html/mirageos-devel/2013-09/msg00082.html etc.

Chee= rs
Nick
= --_2886fd76-d181-4ce6-9463-119a52bfa842_-- --===============5963321211214255909== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5963321211214255909==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 17:23:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 17:23:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBoe3-0006fS-S5; Mon, 28 Jul 2014 17:23:31 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBoe2-0006fL-8c for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 17:23:30 +0000 Received: from [85.158.137.68:34557] by server-6.bemta-3.messagelabs.com id 3C/E5-29521-11786D35; Mon, 28 Jul 2014 17:23:29 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1406568208!18390581!1 X-Originating-IP: [157.55.2.32] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_10_20, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5371 invoked from network); 28 Jul 2014 17:23:28 -0000 Received: from dub004-omc3s23.hotmail.com (HELO DUB004-OMC3S23.hotmail.com) (157.55.2.32) by server-2.tower-31.messagelabs.com with AES128-SHA encrypted SMTP; 28 Jul 2014 17:23:28 -0000 Received: from DUB128-W70 ([157.55.2.8]) by DUB004-OMC3S23.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Mon, 28 Jul 2014 10:23:28 -0700 X-TMN: [aMJG9vicg9ZZf5KbCVkeysKTYY6FWhDH] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Mon, 28 Jul 2014 17:23:27 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 28 Jul 2014 17:23:28.0031 (UTC) FILETIME=[A52A22F0:01CFAA88] Subject: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1203728422247726810==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1203728422247726810== Content-Type: multipart/alternative; boundary="_60a69e56-fa49-41e6-9471-07dcedfc2dde_" --_60a69e56-fa49-41e6-9471-07dcedfc2dde_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Trying to compile this - which=2C of course=2C compiles on x86=2C - doesn'= t quite make it on arm. Any ideas? mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make run ocamlbuild -classic-display -use-ocamlfind -pkgs lwt.syntax=2Ccstruct=2Cio-= page=2Clwt=2Cmirage-console-xen=2Cmirage-http=2Cmirage-net-xen=2Cmirage-typ= es=2Cmirage-types.lwt=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.tcpv4=2Ctcpip.ud= pv4 -tags "syntax(camlp4o)=2Cannot=2Cbin_annot=2Cstrict_sequence=2Cprincipa= l" -cflag -g -lflags -g=2C-linkpkg=2C-dontlink=2Cunix main.native.o ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package tcpip.ud= pv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -packag= e mirage-types.lwt -package mirage-types -package mirage-net-xen -package m= irage-http -package mirage-console-xen -package lwt -package io-page -packa= ge cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx static1.cmx mai= n.cmx -o main.native.o + ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package tcpip.= udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -pack= age mirage-types.lwt -package mirage-types -package mirage-net-xen -package= mirage-http -package mirage-console-xen -package lwt -package io-page -pac= kage cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx static1.cmx m= ain.cmx -o main.native.o File "_none_"=2C line 1: Error: No implementations provided for the following modules: Re_str referenced from dispatch.cmx Command exited with code 2. make: *** [main.native.o] Error 10 = --_60a69e56-fa49-41e6-9471-07dcedfc2dde_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Trying to compile this - which= =2C of course=2C compiles on x86=2C =3B - doesn't quite make it on arm.= Any ideas?


mirage@cubie0:~/mirage-skeleton/xen/static_website+i= p$ make run
ocamlbuild -classic-display -use-ocamlfind -pkgs lwt.syntax= =2Ccstruct=2Cio-page=2Clwt=2Cmirage-console-xen=2Cmirage-http=2Cmirage-net-= xen=2Cmirage-types=2Cmirage-types.lwt=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.= tcpv4=2Ctcpip.udpv4 -tags "syntax(camlp4o)=2Cannot=2Cbin_annot=2Cstrict_seq= uence=2Cprincipal" -cflag -g -lflags -g=2C-linkpkg=2C-dontlink=2Cunix main.= native.o
ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -pack= age tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dh= cpv4 -package mirage-types.lwt -package mirage-types -package mirage-net-xe= n -package mirage-http -package mirage-console-xen -package lwt -package io= -page -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx sta= tic1.cmx main.cmx -o main.native.o
+ ocamlfind ocamlopt -g -linkpkg -don= tlink unix -output-obj -package tcpip.udpv4 -package tcpip.tcpv4 -package t= cpip.ethif -package tcpip.dhcpv4 -package mirage-types.lwt -package mirage-= types -package mirage-net-xen -package mirage-http -package mirage-console-= xen -package lwt -package io-page -package cstruct -package lwt.syntax -syn= tax camlp4o dispatch.cmx static1.cmx main.cmx -o main.native.o
File "_no= ne_"=2C line 1:
Error: No implementations provided for the following mod= ules:
 =3B =3B =3B =3B =3B =3B =3B =3B R= e_str referenced from dispatch.cmx
Command exited with code 2.
make: = *** [main.native.o] Error 10

= --_60a69e56-fa49-41e6-9471-07dcedfc2dde_-- --===============1203728422247726810== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1203728422247726810==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 17:23:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 17:23:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBoe3-0006fS-S5; Mon, 28 Jul 2014 17:23:31 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBoe2-0006fL-8c for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 17:23:30 +0000 Received: from [85.158.137.68:34557] by server-6.bemta-3.messagelabs.com id 3C/E5-29521-11786D35; Mon, 28 Jul 2014 17:23:29 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-2.tower-31.messagelabs.com!1406568208!18390581!1 X-Originating-IP: [157.55.2.32] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_10_20, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5371 invoked from network); 28 Jul 2014 17:23:28 -0000 Received: from dub004-omc3s23.hotmail.com (HELO DUB004-OMC3S23.hotmail.com) (157.55.2.32) by server-2.tower-31.messagelabs.com with AES128-SHA encrypted SMTP; 28 Jul 2014 17:23:28 -0000 Received: from DUB128-W70 ([157.55.2.8]) by DUB004-OMC3S23.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Mon, 28 Jul 2014 10:23:28 -0700 X-TMN: [aMJG9vicg9ZZf5KbCVkeysKTYY6FWhDH] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Mon, 28 Jul 2014 17:23:27 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 28 Jul 2014 17:23:28.0031 (UTC) FILETIME=[A52A22F0:01CFAA88] Subject: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1203728422247726810==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1203728422247726810== Content-Type: multipart/alternative; boundary="_60a69e56-fa49-41e6-9471-07dcedfc2dde_" --_60a69e56-fa49-41e6-9471-07dcedfc2dde_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Trying to compile this - which=2C of course=2C compiles on x86=2C - doesn'= t quite make it on arm. Any ideas? mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make run ocamlbuild -classic-display -use-ocamlfind -pkgs lwt.syntax=2Ccstruct=2Cio-= page=2Clwt=2Cmirage-console-xen=2Cmirage-http=2Cmirage-net-xen=2Cmirage-typ= es=2Cmirage-types.lwt=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.tcpv4=2Ctcpip.ud= pv4 -tags "syntax(camlp4o)=2Cannot=2Cbin_annot=2Cstrict_sequence=2Cprincipa= l" -cflag -g -lflags -g=2C-linkpkg=2C-dontlink=2Cunix main.native.o ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package tcpip.ud= pv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -packag= e mirage-types.lwt -package mirage-types -package mirage-net-xen -package m= irage-http -package mirage-console-xen -package lwt -package io-page -packa= ge cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx static1.cmx mai= n.cmx -o main.native.o + ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package tcpip.= udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -pack= age mirage-types.lwt -package mirage-types -package mirage-net-xen -package= mirage-http -package mirage-console-xen -package lwt -package io-page -pac= kage cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx static1.cmx m= ain.cmx -o main.native.o File "_none_"=2C line 1: Error: No implementations provided for the following modules: Re_str referenced from dispatch.cmx Command exited with code 2. make: *** [main.native.o] Error 10 = --_60a69e56-fa49-41e6-9471-07dcedfc2dde_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Trying to compile this - which= =2C of course=2C compiles on x86=2C =3B - doesn't quite make it on arm.= Any ideas?


mirage@cubie0:~/mirage-skeleton/xen/static_website+i= p$ make run
ocamlbuild -classic-display -use-ocamlfind -pkgs lwt.syntax= =2Ccstruct=2Cio-page=2Clwt=2Cmirage-console-xen=2Cmirage-http=2Cmirage-net-= xen=2Cmirage-types=2Cmirage-types.lwt=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.= tcpv4=2Ctcpip.udpv4 -tags "syntax(camlp4o)=2Cannot=2Cbin_annot=2Cstrict_seq= uence=2Cprincipal" -cflag -g -lflags -g=2C-linkpkg=2C-dontlink=2Cunix main.= native.o
ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -pack= age tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dh= cpv4 -package mirage-types.lwt -package mirage-types -package mirage-net-xe= n -package mirage-http -package mirage-console-xen -package lwt -package io= -page -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx sta= tic1.cmx main.cmx -o main.native.o
+ ocamlfind ocamlopt -g -linkpkg -don= tlink unix -output-obj -package tcpip.udpv4 -package tcpip.tcpv4 -package t= cpip.ethif -package tcpip.dhcpv4 -package mirage-types.lwt -package mirage-= types -package mirage-net-xen -package mirage-http -package mirage-console-= xen -package lwt -package io-page -package cstruct -package lwt.syntax -syn= tax camlp4o dispatch.cmx static1.cmx main.cmx -o main.native.o
File "_no= ne_"=2C line 1:
Error: No implementations provided for the following mod= ules:
 =3B =3B =3B =3B =3B =3B =3B =3B R= e_str referenced from dispatch.cmx
Command exited with code 2.
make: = *** [main.native.o] Error 10

= --_60a69e56-fa49-41e6-9471-07dcedfc2dde_-- --===============1203728422247726810== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============1203728422247726810==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 17:39:27 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 17:39:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBotO-0007tR-NR; Mon, 28 Jul 2014 17:39:22 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBotO-0007tL-3v for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 17:39:22 +0000 Received: from [193.109.254.147:56715] by server-15.bemta-14.messagelabs.com id A5/4F-30948-9CA86D35; Mon, 28 Jul 2014 17:39:21 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-27.messagelabs.com!1406569160!12267009!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26624 invoked from network); 28 Jul 2014 17:39:20 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-9.tower-27.messagelabs.com with SMTP; 28 Jul 2014 17:39:20 -0000 Received: (qmail 486 invoked by uid 634); 28 Jul 2014 17:39:19 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 28 Jul 2014 18:39:18 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 28 Jul 2014 18:39:17 +0100 Message-Id: References: To: buzz heavyyear X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5579392054405290770==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5579392054405290770== Content-Type: multipart/alternative; boundary="Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022" --Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 This was (read: should have been) fixed 2 months ago in = https://github.com/mirage/mirage-skeleton/commit/fe32f34c2411b80856e398847= 82f70c8a359b247 Can you try updating to latest sources and check if it still happens? -a On 28 Jul 2014, at 18:23, buzz heavyyear = wrote: > Trying to compile this - which, of course, compiles on x86, - doesn't = quite make it on arm. Any ideas? >=20 >=20 > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make run > ocamlbuild -classic-display -use-ocamlfind -pkgs = lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-x= en,mirage-types,mirage-types.lwt,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpi= p.udpv4 -tags = "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g = -lflags -g,-linkpkg,-dontlink,unix main.native.o > ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package = tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package = tcpip.dhcpv4 -package mirage-types.lwt -package mirage-types -package = mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax = camlp4o dispatch.cmx static1.cmx main.cmx -o main.native.o > + ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package = tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package = tcpip.dhcpv4 -package mirage-types.lwt -package mirage-types -package = mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax = camlp4o dispatch.cmx static1.cmx main.cmx -o main.native.o > File "_none_", line 1: > Error: No implementations provided for the following modules: > Re_str referenced from dispatch.cmx > Command exited with code 2. > make: *** [main.native.o] Error 10 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 This = was (read: should have been) fixed 2 months ago in

Can = you try updating to latest sources and check if it still = happens?

-a

On 28 Jul = 2014, at 18:23, buzz heavyyear <buzzheavyyear@hotmail.com>= ; wrote:

Trying to compile this = - which, of course, compiles on x86,  - doesn't quite make it on = arm. Any = ideas?


mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ = make run
ocamlbuild -classic-display -use-ocamlfind -pkgs = lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-x= en,mirage-types,mirage-types.lwt,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpi= p.udpv4 -tags = "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g = -lflags -g,-linkpkg,-dontlink,unix main.native.o
ocamlfind ocamlopt = -g -linkpkg -dontlink unix -output-obj -package tcpip.udpv4 -package = tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package = mirage-types.lwt -package mirage-types -package mirage-net-xen -package = mirage-http -package mirage-console-xen -package lwt -package io-page = -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx = static1.cmx main.cmx -o main.native.o
+ ocamlfind ocamlopt -g = -linkpkg -dontlink unix -output-obj -package tcpip.udpv4 -package = tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package = mirage-types.lwt -package mirage-types -package mirage-net-xen -package = mirage-http -package mirage-console-xen -package lwt -package io-page = -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx = static1.cmx main.cmx -o main.native.o
File "_none_", line = 1:
Error: No implementations provided for the following = modules:
         Re_str = referenced from dispatch.cmx
Command exited with code 2.
make: *** = [main.native.o] Error = 10

_______________________________________________
MirageO= S-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=

= --Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022-- --===============5579392054405290770== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5579392054405290770==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 17:39:27 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 17:39:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBotO-0007tR-NR; Mon, 28 Jul 2014 17:39:22 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBotO-0007tL-3v for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 17:39:22 +0000 Received: from [193.109.254.147:56715] by server-15.bemta-14.messagelabs.com id A5/4F-30948-9CA86D35; Mon, 28 Jul 2014 17:39:21 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-27.messagelabs.com!1406569160!12267009!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26624 invoked from network); 28 Jul 2014 17:39:20 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-9.tower-27.messagelabs.com with SMTP; 28 Jul 2014 17:39:20 -0000 Received: (qmail 486 invoked by uid 634); 28 Jul 2014 17:39:19 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Mon, 28 Jul 2014 18:39:18 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 28 Jul 2014 18:39:17 +0100 Message-Id: References: To: buzz heavyyear X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5579392054405290770==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5579392054405290770== Content-Type: multipart/alternative; boundary="Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022" --Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 This was (read: should have been) fixed 2 months ago in = https://github.com/mirage/mirage-skeleton/commit/fe32f34c2411b80856e398847= 82f70c8a359b247 Can you try updating to latest sources and check if it still happens? -a On 28 Jul 2014, at 18:23, buzz heavyyear = wrote: > Trying to compile this - which, of course, compiles on x86, - doesn't = quite make it on arm. Any ideas? >=20 >=20 > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make run > ocamlbuild -classic-display -use-ocamlfind -pkgs = lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-x= en,mirage-types,mirage-types.lwt,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpi= p.udpv4 -tags = "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g = -lflags -g,-linkpkg,-dontlink,unix main.native.o > ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package = tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package = tcpip.dhcpv4 -package mirage-types.lwt -package mirage-types -package = mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax = camlp4o dispatch.cmx static1.cmx main.cmx -o main.native.o > + ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package = tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package = tcpip.dhcpv4 -package mirage-types.lwt -package mirage-types -package = mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax = camlp4o dispatch.cmx static1.cmx main.cmx -o main.native.o > File "_none_", line 1: > Error: No implementations provided for the following modules: > Re_str referenced from dispatch.cmx > Command exited with code 2. > make: *** [main.native.o] Error 10 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 This = was (read: should have been) fixed 2 months ago in

Can = you try updating to latest sources and check if it still = happens?

-a

On 28 Jul = 2014, at 18:23, buzz heavyyear <buzzheavyyear@hotmail.com>= ; wrote:

Trying to compile this = - which, of course, compiles on x86,  - doesn't quite make it on = arm. Any = ideas?


mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ = make run
ocamlbuild -classic-display -use-ocamlfind -pkgs = lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-x= en,mirage-types,mirage-types.lwt,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpi= p.udpv4 -tags = "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g = -lflags -g,-linkpkg,-dontlink,unix main.native.o
ocamlfind ocamlopt = -g -linkpkg -dontlink unix -output-obj -package tcpip.udpv4 -package = tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package = mirage-types.lwt -package mirage-types -package mirage-net-xen -package = mirage-http -package mirage-console-xen -package lwt -package io-page = -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx = static1.cmx main.cmx -o main.native.o
+ ocamlfind ocamlopt -g = -linkpkg -dontlink unix -output-obj -package tcpip.udpv4 -package = tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package = mirage-types.lwt -package mirage-types -package mirage-net-xen -package = mirage-http -package mirage-console-xen -package lwt -package io-page = -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx = static1.cmx main.cmx -o main.native.o
File "_none_", line = 1:
Error: No implementations provided for the following = modules:
         Re_str = referenced from dispatch.cmx
Command exited with code 2.
make: *** = [main.native.o] Error = 10

_______________________________________________
MirageO= S-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=

= --Apple-Mail=_D2B7BE81-A7E4-4793-BC8F-D5A5ACD7B022-- --===============5579392054405290770== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5579392054405290770==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 17:42:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 17:42:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBowl-0008FA-Dd; Mon, 28 Jul 2014 17:42:51 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBowj-0008Eu-Lp for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 17:42:49 +0000 Received: from [193.109.254.147:28944] by server-12.bemta-14.messagelabs.com id 59/02-23840-99B86D35; Mon, 28 Jul 2014 17:42:49 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-6.tower-27.messagelabs.com!1406569368!12267333!1 X-Originating-IP: [151.236.209.33] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5124 invoked from network); 28 Jul 2014 17:42:48 -0000 Received: from engine01-20433-7.icritical.com (HELO engine01-20433-7.icritical.com) (151.236.209.33) by server-6.tower-27.messagelabs.com with SMTP; 28 Jul 2014 17:42:48 -0000 Received: (qmail 9525 invoked from network); 28 Jul 2014 17:38:07 -0000 Received: from localhost (127.0.0.1) by engine01-20433-7.icritical.com with SMTP; 28 Jul 2014 17:38:07 -0000 Received: from engine01-20433-7.icritical.com ([127.0.0.1]) by localhost (engine01-20433-7.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 08971-03 for ; Mon, 28 Jul 2014 18:38:00 +0100 (BST) Received: (qmail 9329 invoked by uid 599); 28 Jul 2014 17:38:00 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine01-20433-7.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 28 Jul 2014 18:38:00 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XBos4-0006jc-Bq; Mon, 28 Jul 2014 18:38:00 +0100 From: Richard Mortier To: Masoud Koleini , "mirageos-devel@lists.xenproject.org" Date: Mon, 28 Jul 2014 18:37:34 +0100 Thread-Topic: Test environment for OpenFlow switch Thread-Index: Ac+qiqx499NLgaOYQhKwSR1yd+LXWQ== Message-ID: References: <53D685EC.6050405@nottingham.ac.uk> In-Reply-To: <53D685EC.6050405@nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-7.icritical.com Cc: Anil Madhavapeddy Subject: Re: [MirageOS-devel] Test environment for OpenFlow switch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6315755216780617775==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6315755216780617775== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii masoud: to the list! On 28 Jul 2014, at 19:18, Masoud Koleini = wrote: > Dear Anil, >=20 > I am on the process of modifying current implementation of Mirage=20 > OpenFlow to use tcpip library instead of mirage-net. Frenetic=20 > implementation of OpenFlow only contains the controller. >=20 > I am now investigating the communication between the switch and=20 > controller. For the controller, I am using Beacon for the tests. So, I=20= > have to set up a test environment for the switch. >=20 > The modification of OpenFlow switch at the moment supports unix=20 > configuration. I use tap0 for the controller interface, and other tap=20= > devised for switch ports. But I need your advice for the right set up. >=20 > First, can I have both the controller and switch on the same OS (I use=20= > Ubuntu)? What would be the configuration in this case (which I = couldn't=20 > make it work today,) or if I run switch application on a virtual = machine? >=20 > Best regards, > Masoud --=20 Cheers, R. --Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT1opeAAoJEOLF27JWwSg3xIQP/A/3BHjwPbX/RU5R33H8y6F4 /ljjOekJBTx2n1g1TYeEL5SN1dJrAYxQH59H/5R9SQ3CwBN3LrzpoLokALUUua4G L3U9kaVtoRVpEW6MrfRVi5I36a1Y14ywADrABFvhrRboaH0x5S5z/8sivGOhA2z0 WTu5Pm5Gh1eiiQO2w+TVThIDG5bTZwtR2H0/2tCrrTN02/9EdE4tf21Ok85MC4fR XtrpqKv8l7dhSKSsNLUpEXIoVFIKC8/sGWhB+SIq1rgxzajPKVqtOC0/0iPxamLd vvijLIp4cJeH73UUC99HYMCfmE/ryAfsXzV+N9SVMWxx9oyrMOpL6vyvj2KfKERt 0ltxaB5IPjxJWmJhGd/hdB1JFa8OojuzxHh+Vy+1PK1vYDQMzFV9aajHVcpgUQAq 2PtZ7Pxxrzxp0zyaAK/BJykZU1NRz4RSkouDtX+zFRmruqGe4eYbyfAP0MSAaP6+ d/QrUxXa9MrVYvioaDYFDpk4xClZ1YkbLy+Mx9S/ezWPDJ1rTAjpyUw+cw0y4IjN GV3s776iJQ613uPTOEpEkzXtrj/+LRfa/jsLmNkdO+bv8ULewe/z3gQlrDQyQlwD bHOtFjp5KJeC23tXknP8mKer5F80GoCNX0XMqv+dr4nVmLnL/0Gea7GDEo6xexaF 1phFU+ebBj0bCl9vbg96 =6iUJ -----END PGP SIGNATURE----- --Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F-- --===============6315755216780617775== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6315755216780617775==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 17:42:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 17:42:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBowl-0008FA-Dd; Mon, 28 Jul 2014 17:42:51 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBowj-0008Eu-Lp for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 17:42:49 +0000 Received: from [193.109.254.147:28944] by server-12.bemta-14.messagelabs.com id 59/02-23840-99B86D35; Mon, 28 Jul 2014 17:42:49 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-6.tower-27.messagelabs.com!1406569368!12267333!1 X-Originating-IP: [151.236.209.33] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5124 invoked from network); 28 Jul 2014 17:42:48 -0000 Received: from engine01-20433-7.icritical.com (HELO engine01-20433-7.icritical.com) (151.236.209.33) by server-6.tower-27.messagelabs.com with SMTP; 28 Jul 2014 17:42:48 -0000 Received: (qmail 9525 invoked from network); 28 Jul 2014 17:38:07 -0000 Received: from localhost (127.0.0.1) by engine01-20433-7.icritical.com with SMTP; 28 Jul 2014 17:38:07 -0000 Received: from engine01-20433-7.icritical.com ([127.0.0.1]) by localhost (engine01-20433-7.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 08971-03 for ; Mon, 28 Jul 2014 18:38:00 +0100 (BST) Received: (qmail 9329 invoked by uid 599); 28 Jul 2014 17:38:00 -0000 Received: from unknown (HELO smtp4.nottingham.ac.uk) (128.243.220.65) by engine01-20433-7.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 28 Jul 2014 18:38:00 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp4.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XBos4-0006jc-Bq; Mon, 28 Jul 2014 18:38:00 +0100 From: Richard Mortier To: Masoud Koleini , "mirageos-devel@lists.xenproject.org" Date: Mon, 28 Jul 2014 18:37:34 +0100 Thread-Topic: Test environment for OpenFlow switch Thread-Index: Ac+qiqx499NLgaOYQhKwSR1yd+LXWQ== Message-ID: References: <53D685EC.6050405@nottingham.ac.uk> In-Reply-To: <53D685EC.6050405@nottingham.ac.uk> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-7.icritical.com Cc: Anil Madhavapeddy Subject: Re: [MirageOS-devel] Test environment for OpenFlow switch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6315755216780617775==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6315755216780617775== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii masoud: to the list! On 28 Jul 2014, at 19:18, Masoud Koleini = wrote: > Dear Anil, >=20 > I am on the process of modifying current implementation of Mirage=20 > OpenFlow to use tcpip library instead of mirage-net. Frenetic=20 > implementation of OpenFlow only contains the controller. >=20 > I am now investigating the communication between the switch and=20 > controller. For the controller, I am using Beacon for the tests. So, I=20= > have to set up a test environment for the switch. >=20 > The modification of OpenFlow switch at the moment supports unix=20 > configuration. I use tap0 for the controller interface, and other tap=20= > devised for switch ports. But I need your advice for the right set up. >=20 > First, can I have both the controller and switch on the same OS (I use=20= > Ubuntu)? What would be the configuration in this case (which I = couldn't=20 > make it work today,) or if I run switch application on a virtual = machine? >=20 > Best regards, > Masoud --=20 Cheers, R. --Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT1opeAAoJEOLF27JWwSg3xIQP/A/3BHjwPbX/RU5R33H8y6F4 /ljjOekJBTx2n1g1TYeEL5SN1dJrAYxQH59H/5R9SQ3CwBN3LrzpoLokALUUua4G L3U9kaVtoRVpEW6MrfRVi5I36a1Y14ywADrABFvhrRboaH0x5S5z/8sivGOhA2z0 WTu5Pm5Gh1eiiQO2w+TVThIDG5bTZwtR2H0/2tCrrTN02/9EdE4tf21Ok85MC4fR XtrpqKv8l7dhSKSsNLUpEXIoVFIKC8/sGWhB+SIq1rgxzajPKVqtOC0/0iPxamLd vvijLIp4cJeH73UUC99HYMCfmE/ryAfsXzV+N9SVMWxx9oyrMOpL6vyvj2KfKERt 0ltxaB5IPjxJWmJhGd/hdB1JFa8OojuzxHh+Vy+1PK1vYDQMzFV9aajHVcpgUQAq 2PtZ7Pxxrzxp0zyaAK/BJykZU1NRz4RSkouDtX+zFRmruqGe4eYbyfAP0MSAaP6+ d/QrUxXa9MrVYvioaDYFDpk4xClZ1YkbLy+Mx9S/ezWPDJ1rTAjpyUw+cw0y4IjN GV3s776iJQ613uPTOEpEkzXtrj/+LRfa/jsLmNkdO+bv8ULewe/z3gQlrDQyQlwD bHOtFjp5KJeC23tXknP8mKer5F80GoCNX0XMqv+dr4nVmLnL/0Gea7GDEo6xexaF 1phFU+ebBj0bCl9vbg96 =6iUJ -----END PGP SIGNATURE----- --Apple-Mail=_49F1A390-9257-4168-AE02-56D73B9E1D2F-- --===============6315755216780617775== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6315755216780617775==-- From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 18:02:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 18:02:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBpG2-0000Wi-De; Mon, 28 Jul 2014 18:02:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBpG0-0000Wb-VG for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 18:02:45 +0000 Received: from [85.158.139.211:17654] by server-12.bemta-5.messagelabs.com id 01/EB-22251-44096D35; Mon, 28 Jul 2014 18:02:44 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-8.tower-206.messagelabs.com!1406570563!18024102!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18755 invoked from network); 28 Jul 2014 18:02:43 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-8.tower-206.messagelabs.com with SMTP; 28 Jul 2014 18:02:43 -0000 Received: (qmail 4348 invoked from network); 28 Jul 2014 18:02:41 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 28 Jul 2014 18:02:41 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 01431-09 for ; Mon, 28 Jul 2014 19:02:37 +0100 (BST) Received: (qmail 4259 invoked by uid 599); 28 Jul 2014 18:02:37 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 28 Jul 2014 19:02:37 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1XBpFs-00054X-56 for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 19:02:37 +0100 Message-ID: <53D6903C.60101@nottingham.ac.uk> Date: Mon, 28 Jul 2014 19:02:36 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Subject: [MirageOS-devel] Test environment for OpenFlow switch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, I am modifying the implementation of Mirage OpenFlow to use tcpip library instead of mirage-net. I am using Beacon for the controller and now setting up a test environment for the switch. The switch implementation uses tap0 for the controller interface, and other tap devised for switch ports. What could be the best test environment set-up (under Mirage unix config)? Can I have both the controller and switch operate on the same OS (Ubuntu)? What would be the configuration in this case, or in the case that I run switch application on a virtual machine? Thanks This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Mon Jul 28 18:02:47 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 28 Jul 2014 18:02:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBpG2-0000Wi-De; Mon, 28 Jul 2014 18:02:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XBpG0-0000Wb-VG for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 18:02:45 +0000 Received: from [85.158.139.211:17654] by server-12.bemta-5.messagelabs.com id 01/EB-22251-44096D35; Mon, 28 Jul 2014 18:02:44 +0000 X-Env-Sender: masoud.koleini@nottingham.ac.uk X-Msg-Ref: server-8.tower-206.messagelabs.com!1406570563!18024102!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18755 invoked from network); 28 Jul 2014 18:02:43 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-8.tower-206.messagelabs.com with SMTP; 28 Jul 2014 18:02:43 -0000 Received: (qmail 4348 invoked from network); 28 Jul 2014 18:02:41 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 28 Jul 2014 18:02:41 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 01431-09 for ; Mon, 28 Jul 2014 19:02:37 +0100 (BST) Received: (qmail 4259 invoked by uid 599); 28 Jul 2014 18:02:37 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Mon, 28 Jul 2014 19:02:37 +0100 Received: from cirrus.cs.nott.ac.uk ([128.243.23.185]) by smtp3.nottingham.ac.uk with esmtp (Exim 4.77) (envelope-from ) id 1XBpFs-00054X-56 for mirageos-devel@lists.xenproject.org; Mon, 28 Jul 2014 19:02:37 +0100 Message-ID: <53D6903C.60101@nottingham.ac.uk> Date: Mon, 28 Jul 2014 19:02:36 +0100 From: Masoud Koleini User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: "mirageos-devel@lists.xenproject.org" X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Subject: [MirageOS-devel] Test environment for OpenFlow switch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi all, I am modifying the implementation of Mirage OpenFlow to use tcpip library instead of mirage-net. I am using Beacon for the controller and now setting up a test environment for the switch. The switch implementation uses tap0 for the controller interface, and other tap devised for switch ports. What could be the best test environment set-up (under Mirage unix config)? Can I have both the controller and switch operate on the same OS (Ubuntu)? What would be the configuration in this case, or in the case that I run switch application on a virtual machine? Thanks This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. This message has been checked for viruses but the contents of an attachment may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 08:09:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 08:09:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC2TU-0007Pc-GZ; Tue, 29 Jul 2014 08:09:32 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC2TT-0007PM-IB for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 08:09:31 +0000 Received: from [85.158.143.35:52518] by server-1.bemta-4.messagelabs.com id 80/8F-05872-AB657D35; Tue, 29 Jul 2014 08:09:30 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1406621370!12127237!1 X-Originating-IP: [157.55.2.107] X-SpamReason: No, hits=0.4 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_60_70,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8086 invoked from network); 29 Jul 2014 08:09:30 -0000 Received: from dub004-omc4s32.hotmail.com (HELO DUB004-OMC4S32.hotmail.com) (157.55.2.107) by server-9.tower-21.messagelabs.com with AES128-SHA encrypted SMTP; 29 Jul 2014 08:09:30 -0000 Received: from DUB128-W85 ([157.55.2.71]) by DUB004-OMC4S32.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Tue, 29 Jul 2014 01:09:29 -0700 X-TMN: [XVFWPsH0XV2oNUby9txcRKi0XPwU5D4Y] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: Anil Madhavapeddy Date: Tue, 29 Jul 2014 08:09:29 +0000 Importance: Normal In-Reply-To: References: , MIME-Version: 1.0 X-OriginalArrivalTime: 29 Jul 2014 08:09:29.0970 (UTC) FILETIME=[6C264520:01CFAB04] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8665944963680213604==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8665944963680213604== Content-Type: multipart/alternative; boundary="_c2149436-d115-43c9-ac67-e7c651d9f5d6_" --_c2149436-d115-43c9-ac67-e7c651d9f5d6_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >This was (read: should have been) fixed 2 months ago inhttps://github.com/= mirage/mirage-skeleton/commit/fe32f34c2411b80856e39884782f70c8a359b247 Thanks - yes=2C this was fixed in static_website but not in xen/static_webs= ite+ip = --_c2149436-d115-43c9-ac67-e7c651d9f5d6_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
>=3BThis was (read: should hav= e been) fixed 2 months ago in

Thanks - yes=2C this was fixed in stat= ic_website but not in xen/static_website+ip
= --_c2149436-d115-43c9-ac67-e7c651d9f5d6_-- --===============8665944963680213604== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8665944963680213604==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 08:09:38 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 08:09:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC2TU-0007Pc-GZ; Tue, 29 Jul 2014 08:09:32 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC2TT-0007PM-IB for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 08:09:31 +0000 Received: from [85.158.143.35:52518] by server-1.bemta-4.messagelabs.com id 80/8F-05872-AB657D35; Tue, 29 Jul 2014 08:09:30 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-9.tower-21.messagelabs.com!1406621370!12127237!1 X-Originating-IP: [157.55.2.107] X-SpamReason: No, hits=0.4 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_60_70,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8086 invoked from network); 29 Jul 2014 08:09:30 -0000 Received: from dub004-omc4s32.hotmail.com (HELO DUB004-OMC4S32.hotmail.com) (157.55.2.107) by server-9.tower-21.messagelabs.com with AES128-SHA encrypted SMTP; 29 Jul 2014 08:09:30 -0000 Received: from DUB128-W85 ([157.55.2.71]) by DUB004-OMC4S32.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Tue, 29 Jul 2014 01:09:29 -0700 X-TMN: [XVFWPsH0XV2oNUby9txcRKi0XPwU5D4Y] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: Anil Madhavapeddy Date: Tue, 29 Jul 2014 08:09:29 +0000 Importance: Normal In-Reply-To: References: , MIME-Version: 1.0 X-OriginalArrivalTime: 29 Jul 2014 08:09:29.0970 (UTC) FILETIME=[6C264520:01CFAB04] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8665944963680213604==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8665944963680213604== Content-Type: multipart/alternative; boundary="_c2149436-d115-43c9-ac67-e7c651d9f5d6_" --_c2149436-d115-43c9-ac67-e7c651d9f5d6_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable >This was (read: should have been) fixed 2 months ago inhttps://github.com/= mirage/mirage-skeleton/commit/fe32f34c2411b80856e39884782f70c8a359b247 Thanks - yes=2C this was fixed in static_website but not in xen/static_webs= ite+ip = --_c2149436-d115-43c9-ac67-e7c651d9f5d6_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
>=3BThis was (read: should hav= e been) fixed 2 months ago in

Thanks - yes=2C this was fixed in stat= ic_website but not in xen/static_website+ip
= --_c2149436-d115-43c9-ac67-e7c651d9f5d6_-- --===============8665944963680213604== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============8665944963680213604==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 09:59:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 09:59:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Bz-0003nY-A6; Tue, 29 Jul 2014 09:59:35 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Bx-0003nT-EE for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 09:59:33 +0000 Received: from [85.158.143.35:24819] by server-1.bemta-4.messagelabs.com id 55/1D-05872-48077D35; Tue, 29 Jul 2014 09:59:32 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-13.tower-21.messagelabs.com!1406627970!4828627!1 X-Originating-IP: [157.55.2.101] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_10_20, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6042 invoked from network); 29 Jul 2014 09:59:31 -0000 Received: from dub004-omc4s26.hotmail.com (HELO DUB004-OMC4S26.hotmail.com) (157.55.2.101) by server-13.tower-21.messagelabs.com with AES128-SHA encrypted SMTP; 29 Jul 2014 09:59:31 -0000 Received: from DUB128-W16 ([157.55.2.71]) by DUB004-OMC4S26.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Tue, 29 Jul 2014 02:59:30 -0700 X-TMN: [PrXeQiFZCXfjHkhD9nOnO3L6Z8cFoD8C] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: Anil Madhavapeddy Date: Tue, 29 Jul 2014 09:59:30 +0000 Importance: Normal In-Reply-To: References: , , , MIME-Version: 1.0 X-OriginalArrivalTime: 29 Jul 2014 09:59:30.0475 (UTC) FILETIME=[CA5B67B0:01CFAB13] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6382639134370845019==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6382639134370845019== Content-Type: multipart/alternative; boundary="_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_" --_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Still having problems with this. I'm building static_website+ip via ssh on = the cubieboard and the build complains of not having libssl=2C libpthread a= nd libssl=2C even though the libraries are installed (checked via apt-find = and apt-get). mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure --x= en Mirage Using scanned config file: config.ml Mirage Processing: /home/mirage/mirage-skeleton/xen/static_website+ip/= config.ml Mirage =3D> rm -rf /home/mirage/mirage-skeleton/xen/static_website+ip/= _build/config.* Mirage =3D> cd /home/mirage/mirage-skeleton/xen/static_website+ip && o= camlbuild -use-ocamlfind -tags annot=2Cbin_annot -pkg mirage config.cmxs www Using configuration: /home/mirage/mirage-skeleton/xen/static_we= bsite+ip/config.ml www 1 job [Dispatch.Main] www Installing OPAM packages. www =3D> opam install --yes crunch cstruct io-page lwt mirage-conso= le-xen mirage-http mirage-net-xen mirage-types mirage-xen re [NOTE] Package re is already installed (current version is 1.2.2). [NOTE] Package mirage-xen is already installed (current version is pinned). [NOTE] Package mirage-types is already installed (current version is 1.2.0)= . [NOTE] Package mirage-net-xen is already installed (current version is 1.1.= 2). [NOTE] Package mirage-http is already installed (current version is 1.1.0). [NOTE] Package mirage-console-xen is already installed (current version is = 1.0.2). [NOTE] Package lwt is already installed (current version is 2.4.5). [NOTE] Package io-page is already installed (current version is 1.1.1). [NOTE] Package cstruct is already installed (current version is 1.3.1). [NOTE] Package crunch is already installed (current version is 1.3.0). www =3D> ocamlfind query -r -separator ' ' -format %d/%a -predicate= s native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http mira= ge-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif tc= pip.tcpv4 tcpip.udpv4 www =3D> ocamlobjinfo /usr/lib/ocaml/unix.cmxa /usr/lib/ocaml/bigar= ray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa /home/mirage/.opam/= system/lib/ocplib-endian/ocplib_endian.cmxa /home/mirage/.opam/system/lib/o= cplib-endian/bigstring.cmxa /home/mirage/.opam/system/lib/sexplib/sexplib.c= mxa /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa /home/mirage/.opam/s= ystem/lib/io-page/io_page.cmxa /home/mirage/.opam/system/lib/lwt/lwt.cmxa /= home/mirage/.opam/system/lib/xenstore/xenstore.cmxa /home/mirage/.opam/syst= em/lib/xenstore/xenstore_client_lwt.cmxa /home/mirage/.opam/system/lib/shar= ed-memory-ring/shared_memory_ring.cmxa /home/mirage/.opam/system/lib/shared= -memory-ring/console_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-= ring/xenstore_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/lw= t_shared_memory_ring.cmxa /home/mirage/.opam/system/lib/mirage-clock-xen/mi= rage-clock.cmxa /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa /home/mi= rage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa /home/mirage/.opam/system/= lib/mirage-xen/oS.cmxa /home/mirage/.opam/system/lib/mirage-console-xen/mir= age-console.cmxa /home/mirage/.opam/system/lib/re/re.cmxa /home/mirage/.opa= m/system/lib/re/re_posix.cmxa /home/mirage/.opam/system/lib/stringext/strin= gext.cmxa /home/mirage/.opam/system/lib/uri/uri.cmxa /home/mirage/.opam/sys= tem/lib/re/re_emacs.cmxa /home/mirage/.opam/system/lib/uri/services.cmxa /h= ome/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa /home/mirage/.opam/sys= tem/lib/cohttp/cohttp.cmxa /home/mirage/.opam/system/lib/conduit/conduit.cm= xa /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa /home/mirage/.opam/system= /lib/lwt/lwt-unix.cmxa /home/mirage/.opam/system/lib/ssl/ssl.cmxa /home/mir= age/.opam/system/lib/lwt/lwt-ssl.cmxa /home/mirage/.opam/system/lib/conduit= /conduit-lwt.cmxa /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa /hom= e/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa /home/mirage/.opam/system/lib/= tcpip/channel.cmxa /home/mirage/.opam/system/lib/mirage-http/mirage-http.cm= xa /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa /home/m= irage/.opam/system/lib/re/re_str.cmxa /home/mirage/.opam/system/lib/tcpip/t= cpip.cmxa /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa /home/mirage/.opam= /system/lib/tcpip/dhcpv4.cmxa /home/mirage/.opam/system/lib/tcpip/ethif.cmx= a /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa /home/mirage/.opam/system/l= ib/tcpip/tcpv4.cmxa www =3D> ocamlfind printconf path www Generating: main.ml www Generating: /home/mirage/mirage-skeleton/xen/static_website+ip/= static1.ml www =3D> ocaml-crunch -o static1.ml /home/mirage/mirage-skeleton/xe= n/static_website+ip/./htdocs mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend opam install crunch cstruct io-page lwt mirage-console-xen mirage-http mira= ge-net-xen mirage-types mirage-xen re --verbose [NOTE] Package re is already installed (current version is 1.2.2). [NOTE] Package mirage-xen is already installed (current version is pinned). [NOTE] Package mirage-types is already installed (current version is 1.2.0)= . [NOTE] Package mirage-net-xen is already installed (current version is 1.1.= 2). [NOTE] Package mirage-http is already installed (current version is 1.1.0). [NOTE] Package mirage-console-xen is already installed (current version is = 1.0.2). [NOTE] Package lwt is already installed (current version is 2.4.5). [NOTE] Package io-page is already installed (current version is 1.1.1). [NOTE] Package cstruct is already installed (current version is 1.3.1). [NOTE] Package crunch is already installed (current version is 1.3.0). mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make ocamlbuild -classic-display -use-ocamlfind -pkgs lwt.syntax=2Ccstruct=2Cio-= page=2Clwt=2Cmirage-console-xen=2Cmirage-http=2Cmirage-net-xen=2Cmirage-typ= es=2Cmirage-types.lwt=2Cre.str=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.tcpv4= =2Ctcpip.udpv4 -tags "syntax(camlp4o)=2Cannot=2Cbin_annot=2Cstrict_sequence= =2Cprincipal" -cflag -g -lflags -g=2C-linkpkg=2C-dontlink=2Cunix main.nativ= e.o ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules main.ml > main.ml.depends ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules static1.mli > static1.mli.depends ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= o dispatch.cmo dispatch.ml + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o dispatch.cmo dispatch.ml File "dispatch.ml"=2C line 89=2C characters 8-16: Warning 26: unused variable callback. File "dispatch.ml"=2C line 94=2C characters 8-19: Warning 26: unused variable conn_closed. ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= o static1.cmi static1.mli ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= o main.cmo main.ml ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules static1.ml > static1.ml.depends ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o dispatch.cmx dispatch.ml + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -p= ackage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip= .dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pa= ckage mirage-net-xen -package mirage-http -package mirage-console-xen -pack= age lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp= 4o -o dispatch.cmx dispatch.ml File "dispatch.ml"=2C line 89=2C characters 8-16: Warning 26: unused variable callback. File "dispatch.ml"=2C line 94=2C characters 8-19: Warning 26: unused variable conn_closed. ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o static1.cmx static1.ml ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o main.cmx main.ml ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package tcpip.ud= pv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -packag= e re.str -package mirage-types.lwt -package mirage-types -package mirage-ne= t-xen -package mirage-http -package mirage-console-xen -package lwt -packag= e io-page -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx= static1.cmx main.cmx -o main.native.o pkg-config --print-errors --exists openlibm 'libminios-xen >=3D 0.2' ld -d -static -nostdlib --start-group \ $(pkg-config --static --libs openlibm 'libminios-xen >=3D 0.2') \ _build/main.native.o /home/mirage/.opam/system/lib/mirage-xen/libocam= l.a \ /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ -L/usr/lib/ocaml \ -lbigarray \ -L/home/mirage/.opam/system/lib/cstruct \ -lcstruct_stubs \ -L/home/mirage/.opam/system/lib/shared-memory-ring \ -lshared_memory_ring_stubs \ -L/home/mirage/.opam/system/lib/lwt \ -llwt-unix_stubs \ -lpthread \ -L/home/mirage/.opam/system/lib/ssl \ -lssl_stubs \ -lcrypto \ -lssl \ -L/home/mirage/.opam/system/lib/tcpip \ -ltcpip_stubs \ /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ -o mir-www.elf ld: cannot find -lpthread ld: cannot find -lcrypto ld: cannot find -lssl make: *** [build] Error 1 = --_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Still having problems with this.= I'm building static_website+ip via ssh on the cubieboard and the build com= plains of not having libssl=2C libpthread and libssl=2C even though the lib= raries are installed (checked via apt-find and apt-get).

mirage@cubi= e0:~/mirage-skeleton/xen/static_website+ip$ mirage configure --xen
Mirag= e =3B =3B =3B =3B =3B Using scanned config file: config= .ml
Mirage =3B =3B =3B =3B =3B Processing: /home/mir= age/mirage-skeleton/xen/static_website+ip/config.ml
Mirage =3B = =3B =3B =3B =3B =3D>=3B rm -rf /home/mirage/mirage-skeleton/x= en/static_website+ip/_build/config.*
Mirage =3B =3B =3B = =3B =3B =3D>=3B cd /home/mirage/mirage-skeleton/xen/static_website+ip= &=3B&=3B ocamlbuild -use-ocamlfind -tags annot=2Cbin_annot -pkg mira= ge config.cmxs
www =3B =3B =3B =3B =3B =3B = =3B =3B Using configuration: /home/mirage/mirage-skeleton/xen/static_we= bsite+ip/config.ml
www =3B =3B =3B =3B =3B =3B&n= bsp=3B =3B 1 job [Dispatch.Main]
www =3B =3B =3B =3B=  =3B =3B =3B =3B Installing OPAM packages.
www =3B&n= bsp=3B =3B =3B =3B =3B =3B =3B =3D>=3B opam insta= ll --yes crunch cstruct io-page lwt mirage-console-xen mirage-http mirage-n= et-xen mirage-types mirage-xen re
[NOTE] Package re is already installed= (current version is 1.2.2).
[NOTE] Package mirage-xen is already instal= led (current version is pinned).
[NOTE] Package mirage-types is already = installed (current version is 1.2.0).
[NOTE] Package mirage-net-xen is a= lready installed (current version is 1.1.2).
[NOTE] Package mirage-http = is already installed (current version is 1.1.0).
[NOTE] Package mirage-c= onsole-xen is already installed (current version is 1.0.2).
[NOTE] Packa= ge lwt is already installed (current version is 2.4.5).
[NOTE] Package i= o-page is already installed (current version is 1.1.1).
[NOTE] Package c= struct is already installed (current version is 1.3.1).
[NOTE] Package c= runch is already installed (current version is 1.3.0).
www =3B = =3B =3B =3B =3B =3B =3B =3B =3D>=3B ocamlfind que= ry -r -separator ' ' -format %d/%a -predicates native lwt.syntax cstruct io= -page lwt mirage-console-xen mirage-http mirage-net-xen mirage-types mirage= -types.lwt re.str tcpip.dhcpv4 tcpip.ethif tcpip.tcpv4 tcpip.udpv4
www&n= bsp=3B =3B =3B =3B =3B =3B =3B =3B =3D>=3B oc= amlobjinfo /usr/lib/ocaml/unix.cmxa /usr/lib/ocaml/bigarray.cmxa /home/mira= ge/.opam/system/lib/bytes/bytes.cmxa /home/mirage/.opam/system/lib/ocplib-e= ndian/ocplib_endian.cmxa /home/mirage/.opam/system/lib/ocplib-endian/bigstr= ing.cmxa /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa /home/mirage/.o= pam/system/lib/cstruct/cstruct.cmxa /home/mirage/.opam/system/lib/io-page/i= o_page.cmxa /home/mirage/.opam/system/lib/lwt/lwt.cmxa /home/mirage/.opam/s= ystem/lib/xenstore/xenstore.cmxa /home/mirage/.opam/system/lib/xenstore/xen= store_client_lwt.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/shar= ed_memory_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/consol= e_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.= cmxa /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_rin= g.cmxa /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa /ho= me/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa /home/mirage/.opam/system/l= ib/xen-evtchn/xen_evtchn.cmxa /home/mirage/.opam/system/lib/mirage-xen/oS.c= mxa /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa /h= ome/mirage/.opam/system/lib/re/re.cmxa /home/mirage/.opam/system/lib/re/re_= posix.cmxa /home/mirage/.opam/system/lib/stringext/stringext.cmxa /home/mir= age/.opam/system/lib/uri/uri.cmxa /home/mirage/.opam/system/lib/re/re_emacs= .cmxa /home/mirage/.opam/system/lib/uri/services.cmxa /home/mirage/.opam/sy= stem/lib/fieldslib/fieldslib.cmxa /home/mirage/.opam/system/lib/cohttp/coht= tp.cmxa /home/mirage/.opam/system/lib/conduit/conduit.cmxa /home/mirage/.op= am/system/lib/lwt/lwt-log.cmxa /home/mirage/.opam/system/lib/lwt/lwt-unix.c= mxa /home/mirage/.opam/system/lib/ssl/ssl.cmxa /home/mirage/.opam/system/li= b/lwt/lwt-ssl.cmxa /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa /= home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa /home/mirage/.opam/syst= em/lib/ipaddr/ipaddr.cmxa /home/mirage/.opam/system/lib/tcpip/channel.cmxa = /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa /home/mirage/.op= am/system/lib/mirage-net-xen/mirage-net-xen.cmxa /home/mirage/.opam/system/= lib/re/re_str.cmxa /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa /home/mir= age/.opam/system/lib/tcpip/udpv4.cmxa /home/mirage/.opam/system/lib/tcpip/d= hcpv4.cmxa /home/mirage/.opam/system/lib/tcpip/ethif.cmxa /home/mirage/.opa= m/system/lib/tcpip/ipv4.cmxa /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa=

www =3B =3B =3B =3B =3B =3B =3B =3B= =3D>=3B ocamlfind printconf path
www =3B =3B =3B =3B&= nbsp=3B =3B =3B =3B Generating: main.ml
www =3B =3B&= nbsp=3B =3B =3B =3B =3B =3B Generating: /home/mirage/mi= rage-skeleton/xen/static_website+ip/static1.ml
www =3B =3B = =3B =3B =3B =3B =3B =3B =3D>=3B ocaml-crunch -o stati= c1.ml /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs
mirage= @cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend
opam instal= l crunch cstruct io-page lwt mirage-console-xen mirage-http mirage-net-xen = mirage-types mirage-xen re --verbose
[NOTE] Package re is already instal= led (current version is 1.2.2).
[NOTE] Package mirage-xen is already ins= talled (current version is pinned).
[NOTE] Package mirage-types is alrea= dy installed (current version is 1.2.0).
[NOTE] Package mirage-net-xen i= s already installed (current version is 1.1.2).
[NOTE] Package mirage-ht= tp is already installed (current version is 1.1.0).
[NOTE] Package mirag= e-console-xen is already installed (current version is 1.0.2).
[NOTE] Pa= ckage lwt is already installed (current version is 2.4.5).
[NOTE] Packag= e io-page is already installed (current version is 1.1.1).
[NOTE] Packag= e cstruct is already installed (current version is 1.3.1).
[NOTE] Packag= e crunch is already installed (current version is 1.3.0).
mirage@cubie0:= ~/mirage-skeleton/xen/static_website+ip$ make
ocamlbuild -classic-displa= y -use-ocamlfind -pkgs lwt.syntax=2Ccstruct=2Cio-page=2Clwt=2Cmirage-consol= e-xen=2Cmirage-http=2Cmirage-net-xen=2Cmirage-types=2Cmirage-types.lwt=2Cre= .str=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.tcpv4=2Ctcpip.udpv4 -tags "syntax= (camlp4o)=2Cannot=2Cbin_annot=2Cstrict_sequence=2Cprincipal" -cflag -g -lfl= ags -g=2C-linkpkg=2C-dontlink=2Cunix main.native.o
ocamlfind ocamldep -p= ackage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip= .dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pa= ckage mirage-net-xen -package mirage-http -package mirage-console-xen -pack= age lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp= 4o -modules main.ml >=3B main.ml.depends
ocamlfind ocamldep -package t= cpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 = -package re.str -package mirage-types.lwt -package mirage-types -package mi= rage-net-xen -package mirage-http -package mirage-console-xen -package lwt = -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -modu= les dispatch.ml >=3B dispatch.ml.depends
ocamlfind ocamldep -package t= cpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 = -package re.str -package mirage-types.lwt -package mirage-types -package mi= rage-net-xen -package mirage-http -package mirage-console-xen -package lwt = -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -modu= les static1.mli >=3B static1.mli.depends
ocamlfind ocamlc -c -g -annot= -bin-annot -principal -strict-sequence -package tcpip.udpv4 -package tcpip= .tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package re.str -package = mirage-types.lwt -package mirage-types -package mirage-net-xen -package mir= age-http -package mirage-console-xen -package lwt -package io-page -package= cstruct -package lwt.syntax -syntax camlp4o -o dispatch.cmo dispatch.ml+ ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -pa= ckage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.= dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pac= kage mirage-net-xen -package mirage-http -package mirage-console-xen -packa= ge lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4= o -o dispatch.cmo dispatch.ml
File "dispatch.ml"=2C line 89=2C character= s 8-16:
Warning 26: unused variable callback.
File "dispatch.ml"=2C l= ine 94=2C characters 8-19:
Warning 26: unused variable conn_closed.
o= camlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packag= e tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcp= v4 -package re.str -package mirage-types.lwt -package mirage-types -package= mirage-net-xen -package mirage-http -package mirage-console-xen -package l= wt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -o= static1.cmi static1.mli
ocamlfind ocamlc -c -g -annot -bin-annot -princ= ipal -strict-sequence -package tcpip.udpv4 -package tcpip.tcpv4 -package tc= pip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -= package mirage-types -package mirage-net-xen -package mirage-http -package = mirage-console-xen -package lwt -package io-page -package cstruct -package = lwt.syntax -syntax camlp4o -o main.cmo main.ml
ocamlfind ocamldep -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= modules static1.ml >=3B static1.ml.depends
ocamlfind ocamlopt -c -g -a= nnot -bin-annot -principal -strict-sequence -package tcpip.udpv4 -package t= cpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package re.str -pack= age mirage-types.lwt -package mirage-types -package mirage-net-xen -package= mirage-http -package mirage-console-xen -package lwt -package io-page -pac= kage cstruct -package lwt.syntax -syntax camlp4o -o dispatch.cmx dispatch.m= l
+ ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequen= ce -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package = tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-type= s -package mirage-net-xen -package mirage-http -package mirage-console-xen = -package lwt -package io-page -package cstruct -package lwt.syntax -syntax = camlp4o -o dispatch.cmx dispatch.ml
File "dispatch.ml"=2C line 89=2C cha= racters 8-16:
Warning 26: unused variable callback.
File "dispatch.ml= "=2C line 94=2C characters 8-19:
Warning 26: unused variable conn_closed= .
ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence= -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tc= pip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types = -package mirage-net-xen -package mirage-http -package mirage-console-xen -p= ackage lwt -package io-page -package cstruct -package lwt.syntax -syntax ca= mlp4o -o static1.cmx static1.ml
ocamlfind ocamlopt -c -g -annot -bin-ann= ot -principal -strict-sequence -package tcpip.udpv4 -package tcpip.tcpv4 -p= ackage tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-ty= pes.lwt -package mirage-types -package mirage-net-xen -package mirage-http = -package mirage-console-xen -package lwt -package io-page -package cstruct = -package lwt.syntax -syntax camlp4o -o main.cmx main.ml
ocamlfind ocamlo= pt -g -linkpkg -dontlink unix -output-obj -package tcpip.udpv4 -package tcp= ip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package re.str -packag= e mirage-types.lwt -package mirage-types -package mirage-net-xen -package m= irage-http -package mirage-console-xen -package lwt -package io-page -packa= ge cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx static1.cmx mai= n.cmx -o main.native.o
pkg-config --print-errors --exists openlibm 'libm= inios-xen >=3B=3D 0.2'
ld -d -static -nostdlib --start-group \
&nbs= p=3B =3B =3B  =3B $(pkg-config --static --libs openlibm 'libmin= ios-xen >=3B=3D 0.2') \
 =3B =3B =3B  =3B _build/main.= native.o /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \
 =3B&= nbsp=3B =3B  =3B /home/mirage/.opam/system/lib/mirage-xen/libxencam= l.a --end-group \
 =3B =3B =3B  =3B -L/usr/lib/ocaml \ =3B =3B =3B  =3B -lbigarray \
 =3B =3B = =3B  =3B -L/home/mirage/.opam/system/lib/cstruct \
 =3B =3B&= nbsp=3B  =3B -lcstruct_stubs \
 =3B =3B =3B  =3B -L/= home/mirage/.opam/system/lib/shared-memory-ring \
 =3B =3B = =3B  =3B -lshared_memory_ring_stubs \
 =3B =3B =3B  = =3B -L/home/mirage/.opam/system/lib/lwt \
 =3B =3B =3B  = =3B -llwt-unix_stubs \
 =3B =3B =3B  =3B -lpthread \
=  =3B =3B =3B  =3B -L/home/mirage/.opam/system/lib/ssl \
=  =3B =3B =3B  =3B -lssl_stubs \
 =3B =3B =3B=  =3B -lcrypto \
 =3B =3B =3B  =3B -lssl \
 = =3B =3B =3B  =3B -L/home/mirage/.opam/system/lib/tcpip \
&nb= sp=3B =3B =3B  =3B -ltcpip_stubs \
 =3B =3B =3B =  =3B /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \
 =3B = =3B =3B  =3B -o mir-www.elf
ld: cannot find -lpthread
ld: can= not find -lcrypto
ld: cannot find -lssl
make: *** [build] Error 1
=
= --_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_-- --===============6382639134370845019== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6382639134370845019==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 09:59:37 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 09:59:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Bz-0003nY-A6; Tue, 29 Jul 2014 09:59:35 +0000 Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Bx-0003nT-EE for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 09:59:33 +0000 Received: from [85.158.143.35:24819] by server-1.bemta-4.messagelabs.com id 55/1D-05872-48077D35; Tue, 29 Jul 2014 09:59:32 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-13.tower-21.messagelabs.com!1406627970!4828627!1 X-Originating-IP: [157.55.2.101] X-SpamReason: No, hits=1.0 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_10_20, HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6042 invoked from network); 29 Jul 2014 09:59:31 -0000 Received: from dub004-omc4s26.hotmail.com (HELO DUB004-OMC4S26.hotmail.com) (157.55.2.101) by server-13.tower-21.messagelabs.com with AES128-SHA encrypted SMTP; 29 Jul 2014 09:59:31 -0000 Received: from DUB128-W16 ([157.55.2.71]) by DUB004-OMC4S26.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Tue, 29 Jul 2014 02:59:30 -0700 X-TMN: [PrXeQiFZCXfjHkhD9nOnO3L6Z8cFoD8C] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: Anil Madhavapeddy Date: Tue, 29 Jul 2014 09:59:30 +0000 Importance: Normal In-Reply-To: References: , , , MIME-Version: 1.0 X-OriginalArrivalTime: 29 Jul 2014 09:59:30.0475 (UTC) FILETIME=[CA5B67B0:01CFAB13] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6382639134370845019==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6382639134370845019== Content-Type: multipart/alternative; boundary="_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_" --_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Still having problems with this. I'm building static_website+ip via ssh on = the cubieboard and the build complains of not having libssl=2C libpthread a= nd libssl=2C even though the libraries are installed (checked via apt-find = and apt-get). mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure --x= en Mirage Using scanned config file: config.ml Mirage Processing: /home/mirage/mirage-skeleton/xen/static_website+ip/= config.ml Mirage =3D> rm -rf /home/mirage/mirage-skeleton/xen/static_website+ip/= _build/config.* Mirage =3D> cd /home/mirage/mirage-skeleton/xen/static_website+ip && o= camlbuild -use-ocamlfind -tags annot=2Cbin_annot -pkg mirage config.cmxs www Using configuration: /home/mirage/mirage-skeleton/xen/static_we= bsite+ip/config.ml www 1 job [Dispatch.Main] www Installing OPAM packages. www =3D> opam install --yes crunch cstruct io-page lwt mirage-conso= le-xen mirage-http mirage-net-xen mirage-types mirage-xen re [NOTE] Package re is already installed (current version is 1.2.2). [NOTE] Package mirage-xen is already installed (current version is pinned). [NOTE] Package mirage-types is already installed (current version is 1.2.0)= . [NOTE] Package mirage-net-xen is already installed (current version is 1.1.= 2). [NOTE] Package mirage-http is already installed (current version is 1.1.0). [NOTE] Package mirage-console-xen is already installed (current version is = 1.0.2). [NOTE] Package lwt is already installed (current version is 2.4.5). [NOTE] Package io-page is already installed (current version is 1.1.1). [NOTE] Package cstruct is already installed (current version is 1.3.1). [NOTE] Package crunch is already installed (current version is 1.3.0). www =3D> ocamlfind query -r -separator ' ' -format %d/%a -predicate= s native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http mira= ge-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif tc= pip.tcpv4 tcpip.udpv4 www =3D> ocamlobjinfo /usr/lib/ocaml/unix.cmxa /usr/lib/ocaml/bigar= ray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa /home/mirage/.opam/= system/lib/ocplib-endian/ocplib_endian.cmxa /home/mirage/.opam/system/lib/o= cplib-endian/bigstring.cmxa /home/mirage/.opam/system/lib/sexplib/sexplib.c= mxa /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa /home/mirage/.opam/s= ystem/lib/io-page/io_page.cmxa /home/mirage/.opam/system/lib/lwt/lwt.cmxa /= home/mirage/.opam/system/lib/xenstore/xenstore.cmxa /home/mirage/.opam/syst= em/lib/xenstore/xenstore_client_lwt.cmxa /home/mirage/.opam/system/lib/shar= ed-memory-ring/shared_memory_ring.cmxa /home/mirage/.opam/system/lib/shared= -memory-ring/console_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-= ring/xenstore_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/lw= t_shared_memory_ring.cmxa /home/mirage/.opam/system/lib/mirage-clock-xen/mi= rage-clock.cmxa /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa /home/mi= rage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa /home/mirage/.opam/system/= lib/mirage-xen/oS.cmxa /home/mirage/.opam/system/lib/mirage-console-xen/mir= age-console.cmxa /home/mirage/.opam/system/lib/re/re.cmxa /home/mirage/.opa= m/system/lib/re/re_posix.cmxa /home/mirage/.opam/system/lib/stringext/strin= gext.cmxa /home/mirage/.opam/system/lib/uri/uri.cmxa /home/mirage/.opam/sys= tem/lib/re/re_emacs.cmxa /home/mirage/.opam/system/lib/uri/services.cmxa /h= ome/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa /home/mirage/.opam/sys= tem/lib/cohttp/cohttp.cmxa /home/mirage/.opam/system/lib/conduit/conduit.cm= xa /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa /home/mirage/.opam/system= /lib/lwt/lwt-unix.cmxa /home/mirage/.opam/system/lib/ssl/ssl.cmxa /home/mir= age/.opam/system/lib/lwt/lwt-ssl.cmxa /home/mirage/.opam/system/lib/conduit= /conduit-lwt.cmxa /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa /hom= e/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa /home/mirage/.opam/system/lib/= tcpip/channel.cmxa /home/mirage/.opam/system/lib/mirage-http/mirage-http.cm= xa /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa /home/m= irage/.opam/system/lib/re/re_str.cmxa /home/mirage/.opam/system/lib/tcpip/t= cpip.cmxa /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa /home/mirage/.opam= /system/lib/tcpip/dhcpv4.cmxa /home/mirage/.opam/system/lib/tcpip/ethif.cmx= a /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa /home/mirage/.opam/system/l= ib/tcpip/tcpv4.cmxa www =3D> ocamlfind printconf path www Generating: main.ml www Generating: /home/mirage/mirage-skeleton/xen/static_website+ip/= static1.ml www =3D> ocaml-crunch -o static1.ml /home/mirage/mirage-skeleton/xe= n/static_website+ip/./htdocs mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend opam install crunch cstruct io-page lwt mirage-console-xen mirage-http mira= ge-net-xen mirage-types mirage-xen re --verbose [NOTE] Package re is already installed (current version is 1.2.2). [NOTE] Package mirage-xen is already installed (current version is pinned). [NOTE] Package mirage-types is already installed (current version is 1.2.0)= . [NOTE] Package mirage-net-xen is already installed (current version is 1.1.= 2). [NOTE] Package mirage-http is already installed (current version is 1.1.0). [NOTE] Package mirage-console-xen is already installed (current version is = 1.0.2). [NOTE] Package lwt is already installed (current version is 2.4.5). [NOTE] Package io-page is already installed (current version is 1.1.1). [NOTE] Package cstruct is already installed (current version is 1.3.1). [NOTE] Package crunch is already installed (current version is 1.3.0). mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make ocamlbuild -classic-display -use-ocamlfind -pkgs lwt.syntax=2Ccstruct=2Cio-= page=2Clwt=2Cmirage-console-xen=2Cmirage-http=2Cmirage-net-xen=2Cmirage-typ= es=2Cmirage-types.lwt=2Cre.str=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.tcpv4= =2Ctcpip.udpv4 -tags "syntax(camlp4o)=2Cannot=2Cbin_annot=2Cstrict_sequence= =2Cprincipal" -cflag -g -lflags -g=2C-linkpkg=2C-dontlink=2Cunix main.nativ= e.o ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules main.ml > main.ml.depends ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules static1.mli > static1.mli.depends ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= o dispatch.cmo dispatch.ml + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o dispatch.cmo dispatch.ml File "dispatch.ml"=2C line 89=2C characters 8-16: Warning 26: unused variable callback. File "dispatch.ml"=2C line 94=2C characters 8-19: Warning 26: unused variable conn_closed. ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= o static1.cmi static1.mli ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= o main.cmo main.ml ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip= .ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -pac= kage mirage-types -package mirage-net-xen -package mirage-http -package mir= age-console-xen -package lwt -package io-page -package cstruct -package lwt= .syntax -syntax camlp4o -modules static1.ml > static1.ml.depends ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o dispatch.cmx dispatch.ml + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -p= ackage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip= .dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pa= ckage mirage-net-xen -package mirage-http -package mirage-console-xen -pack= age lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp= 4o -o dispatch.cmx dispatch.ml File "dispatch.ml"=2C line 89=2C characters 8-16: Warning 26: unused variable callback. File "dispatch.ml"=2C line 94=2C characters 8-19: Warning 26: unused variable conn_closed. ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o static1.cmx static1.ml ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence -pac= kage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.d= hcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pack= age mirage-net-xen -package mirage-http -package mirage-console-xen -packag= e lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o= -o main.cmx main.ml ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package tcpip.ud= pv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -packag= e re.str -package mirage-types.lwt -package mirage-types -package mirage-ne= t-xen -package mirage-http -package mirage-console-xen -package lwt -packag= e io-page -package cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx= static1.cmx main.cmx -o main.native.o pkg-config --print-errors --exists openlibm 'libminios-xen >=3D 0.2' ld -d -static -nostdlib --start-group \ $(pkg-config --static --libs openlibm 'libminios-xen >=3D 0.2') \ _build/main.native.o /home/mirage/.opam/system/lib/mirage-xen/libocam= l.a \ /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ -L/usr/lib/ocaml \ -lbigarray \ -L/home/mirage/.opam/system/lib/cstruct \ -lcstruct_stubs \ -L/home/mirage/.opam/system/lib/shared-memory-ring \ -lshared_memory_ring_stubs \ -L/home/mirage/.opam/system/lib/lwt \ -llwt-unix_stubs \ -lpthread \ -L/home/mirage/.opam/system/lib/ssl \ -lssl_stubs \ -lcrypto \ -lssl \ -L/home/mirage/.opam/system/lib/tcpip \ -ltcpip_stubs \ /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ -o mir-www.elf ld: cannot find -lpthread ld: cannot find -lcrypto ld: cannot find -lssl make: *** [build] Error 1 = --_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Still having problems with this.= I'm building static_website+ip via ssh on the cubieboard and the build com= plains of not having libssl=2C libpthread and libssl=2C even though the lib= raries are installed (checked via apt-find and apt-get).

mirage@cubi= e0:~/mirage-skeleton/xen/static_website+ip$ mirage configure --xen
Mirag= e =3B =3B =3B =3B =3B Using scanned config file: config= .ml
Mirage =3B =3B =3B =3B =3B Processing: /home/mir= age/mirage-skeleton/xen/static_website+ip/config.ml
Mirage =3B = =3B =3B =3B =3B =3D>=3B rm -rf /home/mirage/mirage-skeleton/x= en/static_website+ip/_build/config.*
Mirage =3B =3B =3B = =3B =3B =3D>=3B cd /home/mirage/mirage-skeleton/xen/static_website+ip= &=3B&=3B ocamlbuild -use-ocamlfind -tags annot=2Cbin_annot -pkg mira= ge config.cmxs
www =3B =3B =3B =3B =3B =3B = =3B =3B Using configuration: /home/mirage/mirage-skeleton/xen/static_we= bsite+ip/config.ml
www =3B =3B =3B =3B =3B =3B&n= bsp=3B =3B 1 job [Dispatch.Main]
www =3B =3B =3B =3B=  =3B =3B =3B =3B Installing OPAM packages.
www =3B&n= bsp=3B =3B =3B =3B =3B =3B =3B =3D>=3B opam insta= ll --yes crunch cstruct io-page lwt mirage-console-xen mirage-http mirage-n= et-xen mirage-types mirage-xen re
[NOTE] Package re is already installed= (current version is 1.2.2).
[NOTE] Package mirage-xen is already instal= led (current version is pinned).
[NOTE] Package mirage-types is already = installed (current version is 1.2.0).
[NOTE] Package mirage-net-xen is a= lready installed (current version is 1.1.2).
[NOTE] Package mirage-http = is already installed (current version is 1.1.0).
[NOTE] Package mirage-c= onsole-xen is already installed (current version is 1.0.2).
[NOTE] Packa= ge lwt is already installed (current version is 2.4.5).
[NOTE] Package i= o-page is already installed (current version is 1.1.1).
[NOTE] Package c= struct is already installed (current version is 1.3.1).
[NOTE] Package c= runch is already installed (current version is 1.3.0).
www =3B = =3B =3B =3B =3B =3B =3B =3B =3D>=3B ocamlfind que= ry -r -separator ' ' -format %d/%a -predicates native lwt.syntax cstruct io= -page lwt mirage-console-xen mirage-http mirage-net-xen mirage-types mirage= -types.lwt re.str tcpip.dhcpv4 tcpip.ethif tcpip.tcpv4 tcpip.udpv4
www&n= bsp=3B =3B =3B =3B =3B =3B =3B =3B =3D>=3B oc= amlobjinfo /usr/lib/ocaml/unix.cmxa /usr/lib/ocaml/bigarray.cmxa /home/mira= ge/.opam/system/lib/bytes/bytes.cmxa /home/mirage/.opam/system/lib/ocplib-e= ndian/ocplib_endian.cmxa /home/mirage/.opam/system/lib/ocplib-endian/bigstr= ing.cmxa /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa /home/mirage/.o= pam/system/lib/cstruct/cstruct.cmxa /home/mirage/.opam/system/lib/io-page/i= o_page.cmxa /home/mirage/.opam/system/lib/lwt/lwt.cmxa /home/mirage/.opam/s= ystem/lib/xenstore/xenstore.cmxa /home/mirage/.opam/system/lib/xenstore/xen= store_client_lwt.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/shar= ed_memory_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/consol= e_ring.cmxa /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.= cmxa /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_rin= g.cmxa /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa /ho= me/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa /home/mirage/.opam/system/l= ib/xen-evtchn/xen_evtchn.cmxa /home/mirage/.opam/system/lib/mirage-xen/oS.c= mxa /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa /h= ome/mirage/.opam/system/lib/re/re.cmxa /home/mirage/.opam/system/lib/re/re_= posix.cmxa /home/mirage/.opam/system/lib/stringext/stringext.cmxa /home/mir= age/.opam/system/lib/uri/uri.cmxa /home/mirage/.opam/system/lib/re/re_emacs= .cmxa /home/mirage/.opam/system/lib/uri/services.cmxa /home/mirage/.opam/sy= stem/lib/fieldslib/fieldslib.cmxa /home/mirage/.opam/system/lib/cohttp/coht= tp.cmxa /home/mirage/.opam/system/lib/conduit/conduit.cmxa /home/mirage/.op= am/system/lib/lwt/lwt-log.cmxa /home/mirage/.opam/system/lib/lwt/lwt-unix.c= mxa /home/mirage/.opam/system/lib/ssl/ssl.cmxa /home/mirage/.opam/system/li= b/lwt/lwt-ssl.cmxa /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa /= home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa /home/mirage/.opam/syst= em/lib/ipaddr/ipaddr.cmxa /home/mirage/.opam/system/lib/tcpip/channel.cmxa = /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa /home/mirage/.op= am/system/lib/mirage-net-xen/mirage-net-xen.cmxa /home/mirage/.opam/system/= lib/re/re_str.cmxa /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa /home/mir= age/.opam/system/lib/tcpip/udpv4.cmxa /home/mirage/.opam/system/lib/tcpip/d= hcpv4.cmxa /home/mirage/.opam/system/lib/tcpip/ethif.cmxa /home/mirage/.opa= m/system/lib/tcpip/ipv4.cmxa /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa=

www =3B =3B =3B =3B =3B =3B =3B =3B= =3D>=3B ocamlfind printconf path
www =3B =3B =3B =3B&= nbsp=3B =3B =3B =3B Generating: main.ml
www =3B =3B&= nbsp=3B =3B =3B =3B =3B =3B Generating: /home/mirage/mi= rage-skeleton/xen/static_website+ip/static1.ml
www =3B =3B = =3B =3B =3B =3B =3B =3B =3D>=3B ocaml-crunch -o stati= c1.ml /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs
mirage= @cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend
opam instal= l crunch cstruct io-page lwt mirage-console-xen mirage-http mirage-net-xen = mirage-types mirage-xen re --verbose
[NOTE] Package re is already instal= led (current version is 1.2.2).
[NOTE] Package mirage-xen is already ins= talled (current version is pinned).
[NOTE] Package mirage-types is alrea= dy installed (current version is 1.2.0).
[NOTE] Package mirage-net-xen i= s already installed (current version is 1.1.2).
[NOTE] Package mirage-ht= tp is already installed (current version is 1.1.0).
[NOTE] Package mirag= e-console-xen is already installed (current version is 1.0.2).
[NOTE] Pa= ckage lwt is already installed (current version is 2.4.5).
[NOTE] Packag= e io-page is already installed (current version is 1.1.1).
[NOTE] Packag= e cstruct is already installed (current version is 1.3.1).
[NOTE] Packag= e crunch is already installed (current version is 1.3.0).
mirage@cubie0:= ~/mirage-skeleton/xen/static_website+ip$ make
ocamlbuild -classic-displa= y -use-ocamlfind -pkgs lwt.syntax=2Ccstruct=2Cio-page=2Clwt=2Cmirage-consol= e-xen=2Cmirage-http=2Cmirage-net-xen=2Cmirage-types=2Cmirage-types.lwt=2Cre= .str=2Ctcpip.dhcpv4=2Ctcpip.ethif=2Ctcpip.tcpv4=2Ctcpip.udpv4 -tags "syntax= (camlp4o)=2Cannot=2Cbin_annot=2Cstrict_sequence=2Cprincipal" -cflag -g -lfl= ags -g=2C-linkpkg=2C-dontlink=2Cunix main.native.o
ocamlfind ocamldep -p= ackage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip= .dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pa= ckage mirage-net-xen -package mirage-http -package mirage-console-xen -pack= age lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp= 4o -modules main.ml >=3B main.ml.depends
ocamlfind ocamldep -package t= cpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 = -package re.str -package mirage-types.lwt -package mirage-types -package mi= rage-net-xen -package mirage-http -package mirage-console-xen -package lwt = -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -modu= les dispatch.ml >=3B dispatch.ml.depends
ocamlfind ocamldep -package t= cpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 = -package re.str -package mirage-types.lwt -package mirage-types -package mi= rage-net-xen -package mirage-http -package mirage-console-xen -package lwt = -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -modu= les static1.mli >=3B static1.mli.depends
ocamlfind ocamlc -c -g -annot= -bin-annot -principal -strict-sequence -package tcpip.udpv4 -package tcpip= .tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package re.str -package = mirage-types.lwt -package mirage-types -package mirage-net-xen -package mir= age-http -package mirage-console-xen -package lwt -package io-page -package= cstruct -package lwt.syntax -syntax camlp4o -o dispatch.cmo dispatch.ml+ ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -pa= ckage tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.= dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types -pac= kage mirage-net-xen -package mirage-http -package mirage-console-xen -packa= ge lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4= o -o dispatch.cmo dispatch.ml
File "dispatch.ml"=2C line 89=2C character= s 8-16:
Warning 26: unused variable callback.
File "dispatch.ml"=2C l= ine 94=2C characters 8-19:
Warning 26: unused variable conn_closed.
o= camlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence -packag= e tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcp= v4 -package re.str -package mirage-types.lwt -package mirage-types -package= mirage-net-xen -package mirage-http -package mirage-console-xen -package l= wt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -o= static1.cmi static1.mli
ocamlfind ocamlc -c -g -annot -bin-annot -princ= ipal -strict-sequence -package tcpip.udpv4 -package tcpip.tcpv4 -package tc= pip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt -= package mirage-types -package mirage-net-xen -package mirage-http -package = mirage-console-xen -package lwt -package io-page -package cstruct -package = lwt.syntax -syntax camlp4o -o main.cmo main.ml
ocamlfind ocamldep -packa= ge tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhc= pv4 -package re.str -package mirage-types.lwt -package mirage-types -packag= e mirage-net-xen -package mirage-http -package mirage-console-xen -package = lwt -package io-page -package cstruct -package lwt.syntax -syntax camlp4o -= modules static1.ml >=3B static1.ml.depends
ocamlfind ocamlopt -c -g -a= nnot -bin-annot -principal -strict-sequence -package tcpip.udpv4 -package t= cpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package re.str -pack= age mirage-types.lwt -package mirage-types -package mirage-net-xen -package= mirage-http -package mirage-console-xen -package lwt -package io-page -pac= kage cstruct -package lwt.syntax -syntax camlp4o -o dispatch.cmx dispatch.m= l
+ ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequen= ce -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package = tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-type= s -package mirage-net-xen -package mirage-http -package mirage-console-xen = -package lwt -package io-page -package cstruct -package lwt.syntax -syntax = camlp4o -o dispatch.cmx dispatch.ml
File "dispatch.ml"=2C line 89=2C cha= racters 8-16:
Warning 26: unused variable callback.
File "dispatch.ml= "=2C line 94=2C characters 8-19:
Warning 26: unused variable conn_closed= .
ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence= -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tc= pip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types = -package mirage-net-xen -package mirage-http -package mirage-console-xen -p= ackage lwt -package io-page -package cstruct -package lwt.syntax -syntax ca= mlp4o -o static1.cmx static1.ml
ocamlfind ocamlopt -c -g -annot -bin-ann= ot -principal -strict-sequence -package tcpip.udpv4 -package tcpip.tcpv4 -p= ackage tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-ty= pes.lwt -package mirage-types -package mirage-net-xen -package mirage-http = -package mirage-console-xen -package lwt -package io-page -package cstruct = -package lwt.syntax -syntax camlp4o -o main.cmx main.ml
ocamlfind ocamlo= pt -g -linkpkg -dontlink unix -output-obj -package tcpip.udpv4 -package tcp= ip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 -package re.str -packag= e mirage-types.lwt -package mirage-types -package mirage-net-xen -package m= irage-http -package mirage-console-xen -package lwt -package io-page -packa= ge cstruct -package lwt.syntax -syntax camlp4o dispatch.cmx static1.cmx mai= n.cmx -o main.native.o
pkg-config --print-errors --exists openlibm 'libm= inios-xen >=3B=3D 0.2'
ld -d -static -nostdlib --start-group \
&nbs= p=3B =3B =3B  =3B $(pkg-config --static --libs openlibm 'libmin= ios-xen >=3B=3D 0.2') \
 =3B =3B =3B  =3B _build/main.= native.o /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \
 =3B&= nbsp=3B =3B  =3B /home/mirage/.opam/system/lib/mirage-xen/libxencam= l.a --end-group \
 =3B =3B =3B  =3B -L/usr/lib/ocaml \ =3B =3B =3B  =3B -lbigarray \
 =3B =3B = =3B  =3B -L/home/mirage/.opam/system/lib/cstruct \
 =3B =3B&= nbsp=3B  =3B -lcstruct_stubs \
 =3B =3B =3B  =3B -L/= home/mirage/.opam/system/lib/shared-memory-ring \
 =3B =3B = =3B  =3B -lshared_memory_ring_stubs \
 =3B =3B =3B  = =3B -L/home/mirage/.opam/system/lib/lwt \
 =3B =3B =3B  = =3B -llwt-unix_stubs \
 =3B =3B =3B  =3B -lpthread \
=  =3B =3B =3B  =3B -L/home/mirage/.opam/system/lib/ssl \
=  =3B =3B =3B  =3B -lssl_stubs \
 =3B =3B =3B=  =3B -lcrypto \
 =3B =3B =3B  =3B -lssl \
 = =3B =3B =3B  =3B -L/home/mirage/.opam/system/lib/tcpip \
&nb= sp=3B =3B =3B  =3B -ltcpip_stubs \
 =3B =3B =3B =  =3B /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \
 =3B = =3B =3B  =3B -o mir-www.elf
ld: cannot find -lpthread
ld: can= not find -lcrypto
ld: cannot find -lssl
make: *** [build] Error 1
=
= --_6b600a3a-e4c1-4a3a-9d2e-f3c8fdb58757_-- --===============6382639134370845019== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6382639134370845019==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 10:03:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 10:03:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Fo-0003u3-MC; Tue, 29 Jul 2014 10:03:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Fn-0003ty-4L for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 10:03:31 +0000 Received: from [85.158.139.211:64622] by server-6.bemta-5.messagelabs.com id EE/31-06284-27177D35; Tue, 29 Jul 2014 10:03:30 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1406628205!18211536!1 X-Originating-IP: [209.85.218.49] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30362 invoked from network); 29 Jul 2014 10:03:27 -0000 Received: from mail-oi0-f49.google.com (HELO mail-oi0-f49.google.com) (209.85.218.49) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 10:03:27 -0000 Received: by mail-oi0-f49.google.com with SMTP id u20so7103558oif.36 for ; Tue, 29 Jul 2014 03:03:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=sgjRA0/d2HbaQGxVdeK3sUcCrBXw5Rs66ApOvhwhPV8=; b=oMyaQrhdcd2o+ruHHdu2lAiDZ1xhWYpZgAHqsGmpebRqKGw5cVDWOBckgatQ7vgWnD w6P4BDpE3XABxCtx8NvQqOaMK8wVJcJpptRlCCw4x775C7v7BbXPNvc16GBM1ezLX80C o6Acilu3J/P5Q3rKKO0qLYOrgqMzv8Ice6CU6ZB6ZP6kSgUrXfXFas8YbDQ5/RquTdEW yfJPL9N6xtk0h5wD2Y1NpsRRidRWWQ43xoMc1BmpOvQ8/IczWS4Rnwx8sm6SbEckBEoM ci4/qLuwYBnz+XfMQwaap1rTJoiTzJCCKKzFWK5PYYN1RoXjxf4ChL0Wa64iCnS/gM6O J6tg== MIME-Version: 1.0 X-Received: by 10.182.104.104 with SMTP id gd8mr1603356obb.17.1406628205049; Tue, 29 Jul 2014 03:03:25 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 29 Jul 2014 03:03:24 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Jul 2014 11:03:24 +0100 Message-ID: From: Thomas Leonard To: buzz heavyyear Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 29 July 2014 10:59, buzz heavyyear wrote: > Still having problems with this. I'm building static_website+ip via ssh on > the cubieboard and the build complains of not having libssl, libpthread and > libssl, even though the libraries are installed (checked via apt-find and > apt-get). > > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure > --xen > Mirage Using scanned config file: config.ml > Mirage Processing: > /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml > Mirage => rm -rf > /home/mirage/mirage-skeleton/xen/static_website+ip/_build/config.* > Mirage => cd /home/mirage/mirage-skeleton/xen/static_website+ip && > ocamlbuild -use-ocamlfind -tags annot,bin_annot -pkg mirage config.cmxs > www Using configuration: > /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml > www 1 job [Dispatch.Main] > www Installing OPAM packages. > www => opam install --yes crunch cstruct io-page lwt > mirage-console-xen mirage-http mirage-net-xen mirage-types mirage-xen re > [NOTE] Package re is already installed (current version is 1.2.2). > [NOTE] Package mirage-xen is already installed (current version is pinned). > [NOTE] Package mirage-types is already installed (current version is 1.2.0). > [NOTE] Package mirage-net-xen is already installed (current version is > 1.1.2). > [NOTE] Package mirage-http is already installed (current version is 1.1.0). > [NOTE] Package mirage-console-xen is already installed (current version is > 1.0.2). > [NOTE] Package lwt is already installed (current version is 2.4.5). > [NOTE] Package io-page is already installed (current version is 1.1.1). > [NOTE] Package cstruct is already installed (current version is 1.3.1). > [NOTE] Package crunch is already installed (current version is 1.3.0). > www => ocamlfind query -r -separator ' ' -format %d/%a -predicates > native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http > mirage-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif > tcpip.tcpv4 tcpip.udpv4 > www => ocamlobjinfo /usr/lib/ocaml/unix.cmxa > /usr/lib/ocaml/bigarray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa > /home/mirage/.opam/system/lib/ocplib-endian/ocplib_endian.cmxa > /home/mirage/.opam/system/lib/ocplib-endian/bigstring.cmxa > /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa > /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa > /home/mirage/.opam/system/lib/io-page/io_page.cmxa > /home/mirage/.opam/system/lib/lwt/lwt.cmxa > /home/mirage/.opam/system/lib/xenstore/xenstore.cmxa > /home/mirage/.opam/system/lib/xenstore/xenstore_client_lwt.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/shared_memory_ring.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/console_ring.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_ring.cmxa > /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa > /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa > /home/mirage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa > /home/mirage/.opam/system/lib/mirage-xen/oS.cmxa > /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa > /home/mirage/.opam/system/lib/re/re.cmxa > /home/mirage/.opam/system/lib/re/re_posix.cmxa > /home/mirage/.opam/system/lib/stringext/stringext.cmxa > /home/mirage/.opam/system/lib/uri/uri.cmxa > /home/mirage/.opam/system/lib/re/re_emacs.cmxa > /home/mirage/.opam/system/lib/uri/services.cmxa > /home/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa > /home/mirage/.opam/system/lib/cohttp/cohttp.cmxa > /home/mirage/.opam/system/lib/conduit/conduit.cmxa > /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa > /home/mirage/.opam/system/lib/lwt/lwt-unix.cmxa > /home/mirage/.opam/system/lib/ssl/ssl.cmxa > /home/mirage/.opam/system/lib/lwt/lwt-ssl.cmxa > /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa > /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa > /home/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa > /home/mirage/.opam/system/lib/tcpip/channel.cmxa > /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa > /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa > /home/mirage/.opam/system/lib/re/re_str.cmxa > /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa > /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa > /home/mirage/.opam/system/lib/tcpip/dhcpv4.cmxa > /home/mirage/.opam/system/lib/tcpip/ethif.cmxa > /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa > /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa > > www => ocamlfind printconf path > www Generating: main.ml > www Generating: > /home/mirage/mirage-skeleton/xen/static_website+ip/static1.ml > www => ocaml-crunch -o static1.ml > /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend > opam install crunch cstruct io-page lwt mirage-console-xen mirage-http > mirage-net-xen mirage-types mirage-xen re --verbose > [NOTE] Package re is already installed (current version is 1.2.2). > [NOTE] Package mirage-xen is already installed (current version is pinned). > [NOTE] Package mirage-types is already installed (current version is 1.2.0). > [NOTE] Package mirage-net-xen is already installed (current version is > 1.1.2). > [NOTE] Package mirage-http is already installed (current version is 1.1.0). > [NOTE] Package mirage-console-xen is already installed (current version is > 1.0.2). > [NOTE] Package lwt is already installed (current version is 2.4.5). > [NOTE] Package io-page is already installed (current version is 1.1.1). > [NOTE] Package cstruct is already installed (current version is 1.3.1). > [NOTE] Package crunch is already installed (current version is 1.3.0). > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make > ocamlbuild -classic-display -use-ocamlfind -pkgs > lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-xen,mirage-types,mirage-types.lwt,re.str,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpip.udpv4 > -tags "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g > -lflags -g,-linkpkg,-dontlink,unix main.native.o > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules main.ml > main.ml.depends > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules static1.mli > static1.mli.depends > ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmo dispatch.ml > + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmo dispatch.ml > File "dispatch.ml", line 89, characters 8-16: > Warning 26: unused variable callback. > File "dispatch.ml", line 94, characters 8-19: > Warning 26: unused variable conn_closed. > ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o static1.cmi static1.mli > ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o main.cmo main.ml > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules static1.ml > static1.ml.depends > ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmx dispatch.ml > + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmx dispatch.ml > File "dispatch.ml", line 89, characters 8-16: > Warning 26: unused variable callback. > File "dispatch.ml", line 94, characters 8-19: > Warning 26: unused variable conn_closed. > ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o static1.cmx static1.ml > ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o main.cmx main.ml > ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package > tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 > -package re.str -package mirage-types.lwt -package mirage-types -package > mirage-net-xen -package mirage-http -package mirage-console-xen -package lwt > -package io-page -package cstruct -package lwt.syntax -syntax camlp4o > dispatch.cmx static1.cmx main.cmx -o main.native.o > pkg-config --print-errors --exists openlibm 'libminios-xen >= 0.2' > ld -d -static -nostdlib --start-group \ > $(pkg-config --static --libs openlibm 'libminios-xen >= 0.2') \ > _build/main.native.o > /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \ > /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ > -L/usr/lib/ocaml \ > -lbigarray \ > -L/home/mirage/.opam/system/lib/cstruct \ > -lcstruct_stubs \ > -L/home/mirage/.opam/system/lib/shared-memory-ring \ > -lshared_memory_ring_stubs \ > -L/home/mirage/.opam/system/lib/lwt \ > -llwt-unix_stubs \ > -lpthread \ > -L/home/mirage/.opam/system/lib/ssl \ > -lssl_stubs \ > -lcrypto \ > -lssl \ > -L/home/mirage/.opam/system/lib/tcpip \ > -ltcpip_stubs \ > /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ > -o mir-www.elf > ld: cannot find -lpthread > ld: cannot find -lcrypto > ld: cannot find -lssl > make: *** [build] Error 1 You can just remove these manually from the Makefile for now. The other problem you may hit is running out of stack space on the larger examples. The Git version of Mini-OS extends the old 16 KB stack by 1MB, or you can use the work-around here: https://github.com/mirage/mirage/issues/274 -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 10:03:32 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 10:03:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Fo-0003u3-MC; Tue, 29 Jul 2014 10:03:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4Fn-0003ty-4L for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 10:03:31 +0000 Received: from [85.158.139.211:64622] by server-6.bemta-5.messagelabs.com id EE/31-06284-27177D35; Tue, 29 Jul 2014 10:03:30 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1406628205!18211536!1 X-Originating-IP: [209.85.218.49] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30362 invoked from network); 29 Jul 2014 10:03:27 -0000 Received: from mail-oi0-f49.google.com (HELO mail-oi0-f49.google.com) (209.85.218.49) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 10:03:27 -0000 Received: by mail-oi0-f49.google.com with SMTP id u20so7103558oif.36 for ; Tue, 29 Jul 2014 03:03:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=sgjRA0/d2HbaQGxVdeK3sUcCrBXw5Rs66ApOvhwhPV8=; b=oMyaQrhdcd2o+ruHHdu2lAiDZ1xhWYpZgAHqsGmpebRqKGw5cVDWOBckgatQ7vgWnD w6P4BDpE3XABxCtx8NvQqOaMK8wVJcJpptRlCCw4x775C7v7BbXPNvc16GBM1ezLX80C o6Acilu3J/P5Q3rKKO0qLYOrgqMzv8Ice6CU6ZB6ZP6kSgUrXfXFas8YbDQ5/RquTdEW yfJPL9N6xtk0h5wD2Y1NpsRRidRWWQ43xoMc1BmpOvQ8/IczWS4Rnwx8sm6SbEckBEoM ci4/qLuwYBnz+XfMQwaap1rTJoiTzJCCKKzFWK5PYYN1RoXjxf4ChL0Wa64iCnS/gM6O J6tg== MIME-Version: 1.0 X-Received: by 10.182.104.104 with SMTP id gd8mr1603356obb.17.1406628205049; Tue, 29 Jul 2014 03:03:25 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 29 Jul 2014 03:03:24 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Jul 2014 11:03:24 +0100 Message-ID: From: Thomas Leonard To: buzz heavyyear Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 29 July 2014 10:59, buzz heavyyear wrote: > Still having problems with this. I'm building static_website+ip via ssh on > the cubieboard and the build complains of not having libssl, libpthread and > libssl, even though the libraries are installed (checked via apt-find and > apt-get). > > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure > --xen > Mirage Using scanned config file: config.ml > Mirage Processing: > /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml > Mirage => rm -rf > /home/mirage/mirage-skeleton/xen/static_website+ip/_build/config.* > Mirage => cd /home/mirage/mirage-skeleton/xen/static_website+ip && > ocamlbuild -use-ocamlfind -tags annot,bin_annot -pkg mirage config.cmxs > www Using configuration: > /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml > www 1 job [Dispatch.Main] > www Installing OPAM packages. > www => opam install --yes crunch cstruct io-page lwt > mirage-console-xen mirage-http mirage-net-xen mirage-types mirage-xen re > [NOTE] Package re is already installed (current version is 1.2.2). > [NOTE] Package mirage-xen is already installed (current version is pinned). > [NOTE] Package mirage-types is already installed (current version is 1.2.0). > [NOTE] Package mirage-net-xen is already installed (current version is > 1.1.2). > [NOTE] Package mirage-http is already installed (current version is 1.1.0). > [NOTE] Package mirage-console-xen is already installed (current version is > 1.0.2). > [NOTE] Package lwt is already installed (current version is 2.4.5). > [NOTE] Package io-page is already installed (current version is 1.1.1). > [NOTE] Package cstruct is already installed (current version is 1.3.1). > [NOTE] Package crunch is already installed (current version is 1.3.0). > www => ocamlfind query -r -separator ' ' -format %d/%a -predicates > native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http > mirage-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif > tcpip.tcpv4 tcpip.udpv4 > www => ocamlobjinfo /usr/lib/ocaml/unix.cmxa > /usr/lib/ocaml/bigarray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa > /home/mirage/.opam/system/lib/ocplib-endian/ocplib_endian.cmxa > /home/mirage/.opam/system/lib/ocplib-endian/bigstring.cmxa > /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa > /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa > /home/mirage/.opam/system/lib/io-page/io_page.cmxa > /home/mirage/.opam/system/lib/lwt/lwt.cmxa > /home/mirage/.opam/system/lib/xenstore/xenstore.cmxa > /home/mirage/.opam/system/lib/xenstore/xenstore_client_lwt.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/shared_memory_ring.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/console_ring.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.cmxa > /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_ring.cmxa > /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa > /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa > /home/mirage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa > /home/mirage/.opam/system/lib/mirage-xen/oS.cmxa > /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa > /home/mirage/.opam/system/lib/re/re.cmxa > /home/mirage/.opam/system/lib/re/re_posix.cmxa > /home/mirage/.opam/system/lib/stringext/stringext.cmxa > /home/mirage/.opam/system/lib/uri/uri.cmxa > /home/mirage/.opam/system/lib/re/re_emacs.cmxa > /home/mirage/.opam/system/lib/uri/services.cmxa > /home/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa > /home/mirage/.opam/system/lib/cohttp/cohttp.cmxa > /home/mirage/.opam/system/lib/conduit/conduit.cmxa > /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa > /home/mirage/.opam/system/lib/lwt/lwt-unix.cmxa > /home/mirage/.opam/system/lib/ssl/ssl.cmxa > /home/mirage/.opam/system/lib/lwt/lwt-ssl.cmxa > /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa > /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa > /home/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa > /home/mirage/.opam/system/lib/tcpip/channel.cmxa > /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa > /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa > /home/mirage/.opam/system/lib/re/re_str.cmxa > /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa > /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa > /home/mirage/.opam/system/lib/tcpip/dhcpv4.cmxa > /home/mirage/.opam/system/lib/tcpip/ethif.cmxa > /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa > /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa > > www => ocamlfind printconf path > www Generating: main.ml > www Generating: > /home/mirage/mirage-skeleton/xen/static_website+ip/static1.ml > www => ocaml-crunch -o static1.ml > /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend > opam install crunch cstruct io-page lwt mirage-console-xen mirage-http > mirage-net-xen mirage-types mirage-xen re --verbose > [NOTE] Package re is already installed (current version is 1.2.2). > [NOTE] Package mirage-xen is already installed (current version is pinned). > [NOTE] Package mirage-types is already installed (current version is 1.2.0). > [NOTE] Package mirage-net-xen is already installed (current version is > 1.1.2). > [NOTE] Package mirage-http is already installed (current version is 1.1.0). > [NOTE] Package mirage-console-xen is already installed (current version is > 1.0.2). > [NOTE] Package lwt is already installed (current version is 2.4.5). > [NOTE] Package io-page is already installed (current version is 1.1.1). > [NOTE] Package cstruct is already installed (current version is 1.3.1). > [NOTE] Package crunch is already installed (current version is 1.3.0). > mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make > ocamlbuild -classic-display -use-ocamlfind -pkgs > lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-xen,mirage-types,mirage-types.lwt,re.str,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpip.udpv4 > -tags "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g > -lflags -g,-linkpkg,-dontlink,unix main.native.o > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules main.ml > main.ml.depends > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules static1.mli > static1.mli.depends > ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmo dispatch.ml > + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmo dispatch.ml > File "dispatch.ml", line 89, characters 8-16: > Warning 26: unused variable callback. > File "dispatch.ml", line 94, characters 8-19: > Warning 26: unused variable conn_closed. > ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o static1.cmi static1.mli > ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o main.cmo main.ml > ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package > tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt > -package mirage-types -package mirage-net-xen -package mirage-http -package > mirage-console-xen -package lwt -package io-page -package cstruct -package > lwt.syntax -syntax camlp4o -modules static1.ml > static1.ml.depends > ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmx dispatch.ml > + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o dispatch.cmx dispatch.ml > File "dispatch.ml", line 89, characters 8-16: > Warning 26: unused variable callback. > File "dispatch.ml", line 94, characters 8-19: > Warning 26: unused variable conn_closed. > ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o static1.cmx static1.ml > ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence > -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package > tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types > -package mirage-net-xen -package mirage-http -package mirage-console-xen > -package lwt -package io-page -package cstruct -package lwt.syntax -syntax > camlp4o -o main.cmx main.ml > ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package > tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 > -package re.str -package mirage-types.lwt -package mirage-types -package > mirage-net-xen -package mirage-http -package mirage-console-xen -package lwt > -package io-page -package cstruct -package lwt.syntax -syntax camlp4o > dispatch.cmx static1.cmx main.cmx -o main.native.o > pkg-config --print-errors --exists openlibm 'libminios-xen >= 0.2' > ld -d -static -nostdlib --start-group \ > $(pkg-config --static --libs openlibm 'libminios-xen >= 0.2') \ > _build/main.native.o > /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \ > /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ > -L/usr/lib/ocaml \ > -lbigarray \ > -L/home/mirage/.opam/system/lib/cstruct \ > -lcstruct_stubs \ > -L/home/mirage/.opam/system/lib/shared-memory-ring \ > -lshared_memory_ring_stubs \ > -L/home/mirage/.opam/system/lib/lwt \ > -llwt-unix_stubs \ > -lpthread \ > -L/home/mirage/.opam/system/lib/ssl \ > -lssl_stubs \ > -lcrypto \ > -lssl \ > -L/home/mirage/.opam/system/lib/tcpip \ > -ltcpip_stubs \ > /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ > -o mir-www.elf > ld: cannot find -lpthread > ld: cannot find -lcrypto > ld: cannot find -lssl > make: *** [build] Error 1 You can just remove these manually from the Makefile for now. The other problem you may hit is running out of stack space on the larger examples. The Git version of Mini-OS extends the old 16 KB stack by 1MB, or you can use the work-around here: https://github.com/mirage/mirage/issues/274 -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 10:27:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 10:27:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4dI-0004Wv-Kx; Tue, 29 Jul 2014 10:27:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4dH-0004WS-8y for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 10:27:47 +0000 Received: from [85.158.137.68:9758] by server-5.bemta-3.messagelabs.com id 48/C0-30889-22777D35; Tue, 29 Jul 2014 10:27:46 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1406629664!18669976!1 X-Originating-IP: [157.55.2.18] X-SpamReason: No, hits=0.7 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_40_50,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,ML_RADAR_SPEW_LINKS_2,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3168 invoked from network); 29 Jul 2014 10:27:44 -0000 Received: from dub004-omc3s9.hotmail.com (HELO DUB004-OMC3S9.hotmail.com) (157.55.2.18) by server-3.tower-31.messagelabs.com with AES128-SHA encrypted SMTP; 29 Jul 2014 10:27:44 -0000 Received: from DUB128-W28 ([157.55.2.9]) by DUB004-OMC3S9.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Tue, 29 Jul 2014 03:27:43 -0700 X-TMN: [UOg5EMurFcttSdVpEygkYVx6gACaPHa4] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Tue, 29 Jul 2014 10:27:43 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 29 Jul 2014 10:27:43.0751 (UTC) FILETIME=[BBA0D170:01CFAB17] Subject: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2794373547476711793==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2794373547476711793== Content-Type: multipart/alternative; boundary="_5f3baec8-d94e-4d0b-9258-374104a769fd_" --_5f3baec8-d94e-4d0b-9258-374104a769fd_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hope this is useful to somebody. It ended up being a bit of a journey as th= e packaged version of the arm libvirt didn't include the xen driver. First = part cribbed from Thomas's cubieboard build instructions. http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 1. Download and unpack the image for your board. 2. Copy to the SDcard=2C e.g. dd if=3Dcubie.img of=3D/dev/mmcblk0 3. Boot the device. It should get an IP address by DHCP. The devices announce a .local name using mDNS=2C so you should be able to s= sh to $BOARD.local 4. ssh mirage@cubieboard2.local. To change hostname of the cubieboard: 1. edit /etc/hosts 127.0.1.1 newname 2. edit /etc/hostname newname To change the cubieboard to get a static ip address: 1. edit /etc/network/interfaces and update with: // auto lo iface lo inet loopback auto eth0 iface eth0 inet manual up ip link set eth0 up auto br0 iface br0 inet static bridge_ports eth0 address 192.168.1.11 broadcast 192.168.1.255 netmask 255.255.255.0 gateway 192.168.1.254 // reboot To set up ssh: 1. ssh mirage@192.168.1.11 (password: mirage) 2. ssh-keygen 3. logout (ctrl-d) 4. scp ~/.ssh/id_rsa.pub mirage@192.168.1.11:.ssh/authorized_keys 5. ssh mirage@192.168.1.11 6. chmod 700 ~/.ssh 7. chmod 600 ~/.ssh/authorized_keys You should now have a working Xen host ("xl list" to list current VMs=2C "l= vcreate" to create guest disks). To install the ARM version of mirage: 1. opam init 2. opam install mirage-xen-minios 3. opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs 4. opam pin mirage-xen https://github.com/mirage/mirage-platform 5. opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum 6. opam install mirage (You should now be able to follow the rest of the Mirage tutorial:) To install libvirt (the precompiled version doesn't contain the drivers for= xen): 1. sudo apt-get install uuid-dev libxml2-dev libdevmapper-dev libpciaccess-= dev libnl-dev libxen-dev libgnutls-dev 2. download a release tarball from libvirt.org (I used 1.2.6) (download to = local machine=2C decompress=2C scp libvirt-1.2.6.tar mirage@cubieboard2: 3. ssh mirage@cubieboard2=3B tar xf libvirt-1.2.6.tar=3B rm libvirt-1.2.6.t= ar=3B cd libvirt-1.2.6 3. ./configure --prefix=3D/usr --localstatedir=3D/var --sysconfdir=3D/etc = --with-xen --with-qemu=3Dno --with-gnutls --with-uml=3Dno --with-openvz=3Dn= o --with-vmware=3Dno --with-phyp=3Dno --with-xenapi=3Dno --with-libxl=3Dyes= --with-vbox=3Dno --with-lxc=3Dno --with-esx=3Dno --with-hyperv=3Dno --wit= h-parallels=3Dno --with-init-script=3Dupstart 4. make 5. sudo make install 6. Add the two scripts (below=2C if they don't already exist) to /etc/init.= d/libvirt-bin and /etc/default/libvirt-bin 6. Ensure that /etc/default/libvirt-bin has '-l' to libvirtd_opts 7. Follow the instructions in http://wiki.libvirt.org/page/TLSSetup in inst= all tls on the cubieboards and admin machine 8. cd /etc/rc5.d sudo ln -s ../init.d/libvirt-bin S22libvirt-bin 9. cd /etc/rc6.d sudo ln -s ../init.d/libvirt-bin K19libvirt-bin sudo update-rc.d libvirt-bin defaults sudo service libvirt-bin start 10. Reboot the board 11. From the admin machine=2C edit /etc/hosts and add the cubieboardd addre= sses and names so that (a) the names are resolvable and (b) matches the nam= e on the certificates ie. 192.168.1.10 cubieboard2 Test that the admin machine can talk to the cubieboard: 1. sudo virsh -c xen://cubieboard2/system hostname ..... and you should get 'cubieboard2' returned=2C if not=2C ssh to the cub= ieboard and check/restart the daemon (sudo service libvirt-bin start) To set up the admin machine to ensure another user (instead of root) can ru= n virsh commands: On the admin machine 1. Add the user to the libvirt group (on older releases of libvirt=2C this = group is sometimes 'libvirtd') 2. Ensure that the clientcert.pem and clientkey.pem in /etc/pki/libvirt bel= ong to the libvirt group=2C ie: sudo chgrp libvirt /etc/pki/libvirt/clientcert.pem sudo chmod 440 /etc/pki/libvirt/clientcert.pem sudo chgrp libvirt /etc/pki/libvirt/private/clientkey.pem sudo chmod 440 /etc/pki/libvirt/private/clientkey.pem 3. Edit /etc/libvirt/libvirtd.conf and ensure unix_sock_group=2C unix_sock_= ro_perms=2C unix_sock_rw_perms are uncommented=2C allowing users in the lib= virt(d) group to use tls=2C ie unix_sock_group =3D "libvirt" unix_sock_ro_perms =3D "0777" unix_sock_rw_perms =3D "0770" On the cubieboard 4. ssh into the cubieboard and create a user which matches the 'admin' user= ( - 'nick' in my case)=2C sudo adduser 'username' 5. create a 'libvirt' group if one doesn't already exist sudo addgroup libvirt 6. add the admin user to the libvirt group sudo adduser 'username' libvirt 7. reboot The cubieboard should now be accessible remotely from a non-root account. Clone the mirage example mirage-skeleton/xen/static_website+ip=20 Compile the example (this currently needs to be built on a cubieboard)=2C a= nd then edit www.xl. Change the ipaddress=2C gateway etc. to suit=2C and th= en run the virsh 'domxml-from-native' translator to get the xml file requir= ed for deployment=20 virsh -c xen:/// domxml-from-native xen-xm www.xl > www.xml virsh -c xen://cubie0/system create www.xml --------------------------------------------------------------- /etc/default/libvirt-bin ------------------------ # Defaults for libvirt-bin initscript (/etc/init.d/libvirt-bin) # This is a POSIX shell fragment # Start libvirtd to handle qemu/kvm: start_libvirtd=3D"yes" # options passed to libvirtd=2C add "-l" to listen on tcp libvirtd_opts=3D"-d -l" # pass in location of kerberos keytab #export KRB5_KTNAME=3D/etc/libvirt/libvirt.keytab ---------------------------------------------------------------- /etc/init.d/libvirt-bin ----------------------- #! /bin/sh # # Init script for libvirtd # # (c) 2007 Guido Guenther # based on the skeletons that comes with dh_make # ### BEGIN INIT INFO # Provides: libvirt-bin libvirtd # Required-Start: $network $local_fs $remote_fs $syslog # Required-Stop: $local_fs $remote_fs $syslog # Should-Start: hal avahi cgconfig # Should-Stop: hal avahi cgconfig # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: libvirt management daemon ### END INIT INFO PATH=3D/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin DAEMON=3D/usr/sbin/libvirtd NAME=3Dlibvirtd DESC=3D"libvirt management daemon" export PATH test -x $DAEMON || exit 0 . /lib/lsb/init-functions PIDFILE=3D/var/run/$NAME.pid DODTIME=3D1 # Time to wait for the server to die=2C in se= conds # Include libvirtd defaults if available if [ -f /etc/default/libvirt-bin ] =3B then . /etc/default/libvirt-bin fi check_start_libvirtd_option() { if [ ! "$start_libvirtd" =3D "yes" ]=3B then log_warning_msg "Not starting libvirt management daemon libvirtd=2C dis= abled via /etc/default/libvirt-bin" return 1 else return 0 fi } running_pid() { # Check if a given process pid's cmdline matches a given name pid=3D$1 name=3D$2 [ -z "$pid" ] && return 1=20 [ ! -d /proc/$pid ] && return 1 cmd=3D`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1= ` # Is this the expected child? [ "$cmd" !=3D "$name" ] && return 1 return 0 } running() { # Check if the process is running looking at /proc # (works for all users) # No pidfile=2C probably no daemon present [ ! -f "$PIDFILE" ] && return 1 # Obtain the pid and check it against the binary name pid=3D`cat $PIDFILE` running_pid $pid $DAEMON || return 1 return 0 } force_stop() { # Forcefully kill the process [ ! -f "$PIDFILE" ] && return if running =3B then kill -15 $pid # Is it really dead? [ -n "$DODTIME" ] && sleep "$DODTIME"s if running =3B then kill -9 $pid [ -n "$DODTIME" ] && sleep "$DODTIME"s if running =3B then echo "Cannot kill $LABEL (pid=3D$pid)!" exit 1 fi fi fi rm -f $PIDFILE return 0 } case "$1" in start) if check_start_libvirtd_option=3B then log_daemon_msg "Starting $DESC" "$NAME" if running =3B then log_progress_msg "already running" log_end_msg 0 exit 0 fi rm -f /var/run/libvirtd.pid start-stop-daemon --start --quiet --pidfile $PIDFILE \ --exec $DAEMON -- $libvirtd_opts if running=3B then log_end_msg 0 else log_end_msg 1 fi fi =3B=3B stop) log_daemon_msg "Stopping $DESC" "$NAME" if ! running =3B then log_progress_msg "not running" log_end_msg 0 exit 0 fi start-stop-daemon --stop --quiet --pidfile $PIDFILE \ --exec $DAEMON log_end_msg 0 =3B=3B force-stop) log_daemon_msg "Forcefully stopping $DESC" "$NAME" force_stop if ! running=3B then log_end_msg 0 else log_end_msg 1 fi =3B=3B restart) if check_start_libvirtd_option=3B then log_daemon_msg "Restarting $DESC" "$DAEMON" start-stop-daemon --oknodo --stop --quiet --pidfile \ /var/run/$NAME.pid --exec $DAEMON [ -n "$DODTIME" ] && sleep $DODTIME start-stop-daemon --start --quiet --pidfile \ /var/run/$NAME.pid --exec $DAEMON -- $libvirtd_opts if running=3B then log_end_msg 0 else log_end_msg 1 fi fi =3B=3B reload|force-reload) if running=3B then log_daemon_msg "Reloading configuration of $DESC" "$NAME" start-stop-daemon --stop --signal 1 --quiet --pidfile \ /var/run/$NAME.pid --exec $DAEMON log_end_msg 0 else log_warning_msg "libvirtd not running=2C doing nothing." fi =3B=3B status) log_daemon_msg "Checking status of $DESC" "$NAME" if running =3B then log_progress_msg "running" log_end_msg 0 else log_progress_msg "not running" log_end_msg 1 if [ -f "$PIDFILE" ] =3B then exit 1 else exit 3 fi fi =3B=3B *) N=3D/etc/init.d/libvirt-bin echo "Usage: $N {start|stop|restart|reload|force-reload|status|force-st= op}" >&2 exit 1 =3B=3B esac exit 0 ---------------------------------------------------------------- = --_5f3baec8-d94e-4d0b-9258-374104a769fd_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hope this is useful to somebody.= It ended up being a bit of a journey as the packaged version of the arm li= bvirt didn't include the xen driver. First part cribbed from Thomas's cubie= board build instructions.




http://blobs.openmirage.org/cu= bieboard2-xen-iso.tar.bz2
http://blobs.openmirage.org/cubietruck-xen-iso= .tar.bz2

1. Download and unpack the image for your board.

2. = Copy to the SDcard=2C e.g.
dd if=3Dcubie.img of=3D/dev/mmcblk0

3.= Boot the device. It should get an IP address by DHCP.

The devices a= nnounce a .local name using mDNS=2C so you should be able to ssh to $BOARD.= local
4. ssh mirage@cubieboard2.local.


To change hostname of = the cubieboard:

1. edit /etc/hosts
127.0.1.1 =3B =3B = =3B =3B =3B =3B newname

2. edit /etc/hostname
newname=

To change the cubieboard to get a static ip address:

1. edit= /etc/network/interfaces and update with:

//
auto lo
iface lo = inet loopback

auto eth0
iface eth0 inet manual
 =3B up ip = link set eth0 up

auto br0
iface br0 inet static
 =3B bridg= e_ports eth0
 =3B address 192.168.1.11
 =3B broadcast 192.168= .1.255
 =3B netmask 255.255.255.0
 =3B gateway 192.168.1.254<= br>//

reboot

To set up ssh:

1. ssh mirage@192.168.1.11= (password: mirage)

2. ssh-keygen

3. logout (ctrl-d)

4= . scp ~/.ssh/id_rsa.pub mirage@192.168.1.11:.ssh/authorized_keys

5. = ssh =3B mirage@192.168.1.11

6. chmod 700 ~/.ssh

7. chmod = 600 ~/.ssh/authorized_keys

You should now have a working Xen host ("= xl list" to list current VMs=2C "lvcreate" to create guest disks).

T= o install the ARM version of mirage:

1. opam init

2. opam ins= tall mirage-xen-minios

3. opam pin mirage https://github.com/talex5/= mirage.git#link_c_stubs

4. opam pin mirage-xen https://github.com/mi= rage/mirage-platform

5. opam pin tcpip https://github.com/talex5/mir= age-tcpip.git#checksum

6. opam install mirage

(You should now= be able to follow the rest of the Mirage tutorial:)

To install libv= irt (the precompiled version doesn't contain the drivers for xen):

1= . sudo apt-get install uuid-dev libxml2-dev libdevmapper-dev libpciaccess-d= ev libnl-dev libxen-dev libgnutls-dev

2. download a release tarball = from libvirt.org (I used 1.2.6) (download to local machine=2C decompress=2C= scp libvirt-1.2.6.tar mirage@cubieboard2:

3. ssh mirage@cubieboard2= =3B tar xf libvirt-1.2.6.tar=3B rm libvirt-1.2.6.tar=3B cd libvirt-1.2.6
3. ./configure --prefix=3D/usr --localstatedir=3D/var =3B --syscon= fdir=3D/etc --with-xen --with-qemu=3Dno --with-gnutls --with-uml=3Dno --wit= h-openvz=3Dno --with-vmware=3Dno --with-phyp=3Dno --with-xenapi=3Dno --with= -libxl=3Dyes --with-vbox=3Dno --with-lxc=3Dno --with-esx=3Dno =3B --wit= h-hyperv=3Dno --with-parallels=3Dno --with-init-script=3Dupstart

4. = make

5. sudo make install

6. Add the two scripts (below=2C if= they don't already exist) to /etc/init.d/libvirt-bin and /etc/default/libv= irt-bin

6. Ensure that /etc/default/libvirt-bin has '-l' to libvirtd= _opts

7. Follow the instructions in http://wiki.libvirt.org/page/TLS= Setup in install tls on the cubieboards and admin machine

8. cd /etc= /rc5.d
 =3B =3B sudo ln -s ../init.d/libvirt-bin S22libvirt-bin<= br>
9. cd /etc/rc6.d
 =3B =3B sudo ln -s ../init.d/libvirt-bi= n K19libvirt-bin
 =3B =3B sudo =3B update-rc.d libvirt-bin d= efaults
 =3B =3B sudo service libvirt-bin start

10. Reboo= t the board

11. From the admin machine=2C edit /etc/hosts and add th= e cubieboardd addresses and names so that (a) the names are resolvable and = (b) matches the name on the certificates

ie.
192.168.1.10 cubiebo= ard2

Test that the admin machine can talk to the cubieboard:

= 1. sudo virsh -c xen://cubieboard2/system hostname

..... and you sho= uld get 'cubieboard2' returned=2C if not=2C ssh to the cubieboard and check= /restart the daemon (sudo service libvirt-bin start)


To set up t= he admin machine to ensure another user (instead of root) can run virsh com= mands:

On the admin machine

1. Add the user to the libvirt gr= oup (on older releases of libvirt=2C this group is sometimes 'libvirtd')
2. Ensure that the clientcert.pem and clientkey.pem in /etc/pki/libvir= t belong to the libvirt group=2C ie:
sudo chgrp libvirt /etc/pki/libvirt= /clientcert.pem
sudo chmod 440 /etc/pki/libvirt/clientcert.pem
sudo c= hgrp libvirt /etc/pki/libvirt/private/clientkey.pem
sudo chmod 440 /etc/= pki/libvirt/private/clientkey.pem

3. Edit /etc/libvirt/libvirtd.conf= and ensure unix_sock_group=2C unix_sock_ro_perms=2C unix_sock_rw_perms are= uncommented=2C allowing users in the libvirt(d) group to use tls=2C ie
= unix_sock_group =3D "libvirt"
unix_sock_ro_perms =3D "0777"
unix_sock= _rw_perms =3D "0770"

On the cubieboard

4. ssh into the cubieb= oard and create a user which matches the 'admin' user ( - 'nick' in my case= )=2C
sudo adduser 'username'

5. create a 'libvirt' group if one d= oesn't already exist
sudo addgroup libvirt

6. add the admin user = to the libvirt group
sudo adduser 'username' libvirt

7. reboot

The cubieboard should now be accessible remotely from a non-root a= ccount.

Clone the mirage example mirage-skeleton/xen/static_website+= ip

Compile the example (this currently needs to be built on a cubie= board)=2C and then edit www.xl. C= hange the ipaddress=2C gateway etc. to suit=2C and then run the virsh 'domx= ml-from-native' translator to get the xml file required for deployment
=
virsh -c xen:/// domxml-from-native xen-xm www.xl >=3B www.xml
virsh -c xen://cubie0/system create www.xml

-----------------------= ----------------------------------------

/etc/default/libvirt-bin------------------------

# Defaults for libvirt-bin initscript (/et= c/init.d/libvirt-bin)
# This is a POSIX shell fragment

# Start li= bvirtd to handle qemu/kvm:
start_libvirtd=3D"yes"

# options passe= d to libvirtd=2C add "-l" to listen on tcp
libvirtd_opts=3D"-d -l"
# pass in location of kerberos keytab
#export KRB5_KTNAME=3D/etc/libvi= rt/libvirt.keytab



------------------------------------------= ----------------------



/etc/init.d/libvirt-bin
----------= -------------

#! /bin/sh
#
# Init script for libvirtd
#
= # (c) 2007 Guido Guenther <=3Bagx@sigxcpu.org>=3B
# based on the ske= letons that comes with dh_make
#
### BEGIN INIT INFO
# Provides:&n= bsp=3B =3B =3B =3B =3B =3B =3B =3B =3B libv= irt-bin libvirtd
# Required-Start: =3B =3B =3B $network $loc= al_fs $remote_fs $syslog
# Required-Stop: =3B =3B =3B = =3B $local_fs $remote_fs $syslog
# Should-Start: =3B =3B =3B=  =3B =3B hal avahi cgconfig
# Should-Stop: =3B =3B = =3B =3B =3B =3B hal avahi cgconfig
# Default-Start: =3B&= nbsp=3B =3B =3B 2 3 4 5
# Default-Stop: =3B =3B =3B&= nbsp=3B =3B 0 1 6
# Short-Description: libvirt management daemon
= ### END INIT INFO

PATH=3D/usr/local/sbin:/usr/local/bin:/sbin:/bin:/= usr/sbin:/usr/bin
DAEMON=3D/usr/sbin/libvirtd
NAME=3Dlibvirtd
DESC= =3D"libvirt management daemon"
export PATH

test -x $DAEMON || exi= t 0
. /lib/lsb/init-functions

PIDFILE=3D/var/run/$NAME.pid
DOD= TIME=3D1 =3B =3B =3B =3B =3B =3B =3B =3B&nb= sp=3B =3B =3B =3B =3B =3B =3B =3B =3B = =3B # Time to wait for the server to die=2C in seconds

# Include lib= virtd defaults if available
if [ -f /etc/default/libvirt-bin ] =3B then<= br> =3B =3B =3B . /etc/default/libvirt-bin
fi

check_s= tart_libvirtd_option() {
 =3B if [ ! "$start_libvirtd" =3D "yes" ]= =3B then
 =3B =3B =3B log_warning_msg "Not starting libvirt = management daemon libvirtd=2C disabled via /etc/default/libvirt-bin"
&nb= sp=3B =3B =3B return 1
 =3B else
 =3B =3B =3B= return 0
 =3B fi
}

running_pid()
{
 =3B =3B=  =3B # Check if a given process pid's cmdline matches a given name
&= nbsp=3B =3B =3B pid=3D$1
 =3B =3B =3B name=3D$2
&= nbsp=3B =3B =3B [ -z "$pid" ] &=3B&=3B return 1
 =3B&= nbsp=3B =3B [ ! -d /proc/$pid ] &=3B&=3B =3B return 1
&nbs= p=3B =3B =3B cmd=3D`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n= 1 |cut -d : -f 1`
 =3B =3B =3B # Is this the expected child= ?
 =3B =3B =3B [ "$cmd" !=3D "$name" ] &=3B&=3B = =3B return 1
 =3B =3B =3B return 0
}

running()
= {
# Check if the process is running looking at /proc
# (works for all= users)
 =3B =3B =3B # No pidfile=2C probably no daemon pres= ent
 =3B =3B =3B [ ! -f "$PIDFILE" ] &=3B&=3B return 1=
 =3B =3B =3B # Obtain the pid and check it against the bina= ry name
 =3B =3B =3B pid=3D`cat $PIDFILE`
 =3B = =3B =3B running_pid $pid $DAEMON || return 1
 =3B =3B = =3B return 0
}

force_stop() {
# Forcefully kill the process =3B =3B =3B [ ! -f "$PIDFILE" ] &=3B&=3B return
&nbs= p=3B =3B =3B if running =3B then
 =3B =3B =3B = =3B =3B =3B =3B kill -15 $pid
 =3B =3B =3B = =3B =3B =3B =3B # Is it really dead?
 =3B =3B = =3B =3B =3B =3B =3B [ -n "$DODTIME" ] &=3B&=3B sleep = "$DODTIME"s
 =3B =3B =3B =3B =3B =3B =3B if = running =3B then
 =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B kill -9 $pid
 =3B =3B = =3B =3B =3B =3B =3B =3B =3B =3B =3B [ -n "$= DODTIME" ] &=3B&=3B sleep "$DODTIME"s
 =3B =3B =3B&nbs= p=3B =3B =3B =3B =3B =3B =3B =3B if running =3B= then
 =3B =3B =3B =3B =3B =3B =3B =3B&n= bsp=3B =3B =3B =3B =3B =3B =3B echo "Cannot kill $L= ABEL (pid=3D$pid)!"
 =3B =3B =3B =3B =3B =3B&nbs= p=3B =3B =3B =3B =3B =3B =3B =3B =3B exit 1=
 =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B fi
 =3B =3B =3B =3B =3B =3B&= nbsp=3B fi
 =3B =3B =3B fi
 =3B =3B =3B rm -f= $PIDFILE
 =3B =3B =3B return 0
}

case "$1" in
=  =3B start)
 =3B =3B =3B if check_start_libvirtd_option= =3B then
 =3B =3B =3B  =3B =3B =3B log_daemon_ms= g "Starting $DESC" "$NAME"
 =3B =3B =3B =3B =3B = =3B =3B  =3B =3B =3B if running =3B =3B then
 = =3B =3B =3B =3B =3B =3B =3B =3B =3B =3B=  =3B  =3B =3B =3B  =3B =3B =3B log_progress_msg= "already running"
 =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B  =3B =3B =3B  =3B = =3B =3B log_end_msg 0
 =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B =3B  =3B =3B =3B  = =3B =3B =3B exit 0
 =3B =3B =3B =3B =3B = =3B =3B  =3B =3B =3B fi
 =3B =3B =3B  = =3B =3B =3B rm -f /var/run/libvirtd.pid
 =3B =3B =3B=  =3B =3B =3B start-stop-daemon --start --quiet --pidfile $PIDF= ILE \
 =3B =3B =3B  =3B =3B =3B  =3B =3B=  =3B --exec $DAEMON -- $libvirtd_opts
 =3B =3B =3B  = =3B =3B =3B if running=3B then
 =3B =3B =3B  =3B=  =3B =3B  =3B =3B =3B log_end_msg 0
 =3B =3B=  =3B  =3B =3B =3B else
 =3B =3B =3B  =3B=  =3B =3B  =3B =3B =3B log_end_msg 1
 =3B =3B=  =3B  =3B =3B =3B fi
 =3B =3B =3B fi
&nbs= p=3B =3B =3B =3B=3B
 =3B stop)
 =3B =3B =3B l= og_daemon_msg "Stopping $DESC" "$NAME"
 =3B =3B =3B if ! run= ning =3B =3B then
 =3B =3B =3B =3B =3B =3B&n= bsp=3B =3B =3B =3B  =3B =3B =3B log_progress_msg "n= ot running"
 =3B =3B =3B =3B =3B =3B =3B&nbs= p=3B =3B =3B =3B  =3B =3B =3B log_end_msg 0
&nbs= p=3B =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B  =3B =3B =3B exit 0
 =3B =3B =3B&nbs= p=3B =3B =3B  =3B =3B =3B fi
 =3B =3B = =3B start-stop-daemon --stop --quiet --pidfile $PIDFILE \
 =3B = =3B =3B  =3B =3B =3B --exec $DAEMON
 =3B =3B&nbs= p=3B log_end_msg 0
 =3B =3B =3B =3B=3B
 =3B force-sto= p)
 =3B =3B =3B log_daemon_msg "Forcefully stopping $DESC" "= $NAME"
 =3B =3B =3B force_stop
 =3B =3B =3B i= f ! running=3B then
 =3B =3B =3B  =3B =3B =3B lo= g_end_msg 0
 =3B =3B =3B else
 =3B =3B =3B &n= bsp=3B =3B =3B log_end_msg 1
 =3B =3B =3B fi
&nbs= p=3B =3B =3B =3B=3B
 =3B restart)
 =3B =3B = =3B if check_start_libvirtd_option=3B then
 =3B =3B =3B &nbs= p=3B =3B =3B log_daemon_msg "Restarting $DESC" "$DAEMON"
 = =3B =3B =3B  =3B =3B =3B start-stop-daemon --oknodo --s= top --quiet --pidfile \
 =3B =3B =3B  =3B =3B = =3B  =3B =3B =3B /var/run/$NAME.pid --exec $DAEMON
 =3B&= nbsp=3B =3B  =3B =3B =3B [ -n "$DODTIME" ] &=3B&=3B s= leep $DODTIME
 =3B =3B =3B  =3B =3B =3B start-st= op-daemon --start --quiet --pidfile \
 =3B =3B =3B  =3B&= nbsp=3B =3B  =3B =3B =3B /var/run/$NAME.pid --exec $DAEMON = -- $libvirtd_opts
 =3B =3B =3B  =3B =3B =3B if r= unning=3B then
 =3B =3B =3B  =3B =3B =3B  = =3B =3B =3B log_end_msg 0
 =3B =3B =3B  =3B = =3B =3B else
 =3B =3B =3B  =3B =3B =3B  = =3B =3B =3B log_end_msg 1
 =3B =3B =3B  =3B = =3B =3B fi
 =3B =3B =3B fi
 =3B =3B =3B = =3B=3B
 =3B reload|force-reload)
 =3B  =3B =3B = =3B if running=3B then
 =3B =3B =3B =3B =3B =3B&= nbsp=3B =3B =3B =3B =3B log_daemon_msg "Reloading configura= tion of $DESC" "$NAME"
 =3B =3B =3B  =3B =3B =3B= start-stop-daemon --stop --signal 1 --quiet --pidfile \
 =3B = =3B =3B  =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B /var/run/$NAME.pid --exec $DAEMON
&n= bsp=3B =3B =3B  =3B =3B =3B log_end_msg 0
 =3B&n= bsp=3B =3B else
 =3B =3B =3B =3B =3B =3B&nbs= p=3B =3B =3B =3B =3B log_warning_msg "libvirtd not running= =2C doing nothing."
 =3B =3B =3B fi
 =3B =3B = =3B =3B=3B
 =3B status)
 =3B =3B =3B =3B =3B&= nbsp=3B =3B log_daemon_msg "Checking status of $DESC" "$NAME"
 = =3B =3B =3B =3B =3B =3B =3B if running =3B =3B = then
 =3B =3B =3B =3B =3B =3B =3B =3B&nb= sp=3B =3B =3B log_progress_msg "running"
 =3B =3B = =3B =3B =3B =3B =3B =3B =3B =3B =3B log_end= _msg 0
 =3B =3B =3B =3B =3B =3B =3B else
=  =3B =3B =3B =3B =3B =3B =3B =3B =3B&nb= sp=3B =3B log_progress_msg "not running"
 =3B =3B =3B&nb= sp=3B =3B =3B =3B =3B =3B =3B =3B log_end_msg 1=
 =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B if [ -f "$PIDFILE" ] =3B then
 =3B =3B = =3B =3B =3B =3B =3B =3B =3B =3B =3B =3B=  =3B =3B =3B exit 1
 =3B =3B =3B =3B =3B=  =3B =3B =3B =3B =3B =3B else
 =3B =3B&n= bsp=3B =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B exit 3
 =3B =3B =3B =3B = =3B =3B =3B =3B =3B =3B =3B fi
 =3B =3B&= nbsp=3B fi
 =3B =3B =3B =3B=3B
 =3B *)
 =3B&nb= sp=3B =3B N=3D/etc/init.d/libvirt-bin
 =3B =3B =3B echo = "Usage: $N {start|stop|restart|reload|force-reload|status|force-stop}" >= =3B&=3B2
 =3B =3B =3B exit 1
 =3B =3B =3B = =3B=3B
esac

exit 0

---------------------------------------= -------------------------



= --_5f3baec8-d94e-4d0b-9258-374104a769fd_-- --===============2794373547476711793== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2794373547476711793==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 10:27:49 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 10:27:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4dI-0004Wv-Kx; Tue, 29 Jul 2014 10:27:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC4dH-0004WS-8y for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 10:27:47 +0000 Received: from [85.158.137.68:9758] by server-5.bemta-3.messagelabs.com id 48/C0-30889-22777D35; Tue, 29 Jul 2014 10:27:46 +0000 X-Env-Sender: buzzheavyyear@hotmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1406629664!18669976!1 X-Originating-IP: [157.55.2.18] X-SpamReason: No, hits=0.7 required=7.0 tests=FORGED_HOTMAIL_RCVD, HTML_40_50,HTML_MESSAGE,ML_RADAR_SPEW_LINKS_1,ML_RADAR_SPEW_LINKS_12, ML_RADAR_SPEW_LINKS_14,ML_RADAR_SPEW_LINKS_2,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3168 invoked from network); 29 Jul 2014 10:27:44 -0000 Received: from dub004-omc3s9.hotmail.com (HELO DUB004-OMC3S9.hotmail.com) (157.55.2.18) by server-3.tower-31.messagelabs.com with AES128-SHA encrypted SMTP; 29 Jul 2014 10:27:44 -0000 Received: from DUB128-W28 ([157.55.2.9]) by DUB004-OMC3S9.hotmail.com with Microsoft SMTPSVC(7.5.7601.22701); Tue, 29 Jul 2014 03:27:43 -0700 X-TMN: [UOg5EMurFcttSdVpEygkYVx6gACaPHa4] X-Originating-Email: [buzzheavyyear@hotmail.com] Message-ID: From: buzz heavyyear To: "mirageos-devel@lists.xenproject.org" Date: Tue, 29 Jul 2014 10:27:43 +0000 Importance: Normal MIME-Version: 1.0 X-OriginalArrivalTime: 29 Jul 2014 10:27:43.0751 (UTC) FILETIME=[BBA0D170:01CFAB17] Subject: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2794373547476711793==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2794373547476711793== Content-Type: multipart/alternative; boundary="_5f3baec8-d94e-4d0b-9258-374104a769fd_" --_5f3baec8-d94e-4d0b-9258-374104a769fd_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hope this is useful to somebody. It ended up being a bit of a journey as th= e packaged version of the arm libvirt didn't include the xen driver. First = part cribbed from Thomas's cubieboard build instructions. http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 1. Download and unpack the image for your board. 2. Copy to the SDcard=2C e.g. dd if=3Dcubie.img of=3D/dev/mmcblk0 3. Boot the device. It should get an IP address by DHCP. The devices announce a .local name using mDNS=2C so you should be able to s= sh to $BOARD.local 4. ssh mirage@cubieboard2.local. To change hostname of the cubieboard: 1. edit /etc/hosts 127.0.1.1 newname 2. edit /etc/hostname newname To change the cubieboard to get a static ip address: 1. edit /etc/network/interfaces and update with: // auto lo iface lo inet loopback auto eth0 iface eth0 inet manual up ip link set eth0 up auto br0 iface br0 inet static bridge_ports eth0 address 192.168.1.11 broadcast 192.168.1.255 netmask 255.255.255.0 gateway 192.168.1.254 // reboot To set up ssh: 1. ssh mirage@192.168.1.11 (password: mirage) 2. ssh-keygen 3. logout (ctrl-d) 4. scp ~/.ssh/id_rsa.pub mirage@192.168.1.11:.ssh/authorized_keys 5. ssh mirage@192.168.1.11 6. chmod 700 ~/.ssh 7. chmod 600 ~/.ssh/authorized_keys You should now have a working Xen host ("xl list" to list current VMs=2C "l= vcreate" to create guest disks). To install the ARM version of mirage: 1. opam init 2. opam install mirage-xen-minios 3. opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs 4. opam pin mirage-xen https://github.com/mirage/mirage-platform 5. opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum 6. opam install mirage (You should now be able to follow the rest of the Mirage tutorial:) To install libvirt (the precompiled version doesn't contain the drivers for= xen): 1. sudo apt-get install uuid-dev libxml2-dev libdevmapper-dev libpciaccess-= dev libnl-dev libxen-dev libgnutls-dev 2. download a release tarball from libvirt.org (I used 1.2.6) (download to = local machine=2C decompress=2C scp libvirt-1.2.6.tar mirage@cubieboard2: 3. ssh mirage@cubieboard2=3B tar xf libvirt-1.2.6.tar=3B rm libvirt-1.2.6.t= ar=3B cd libvirt-1.2.6 3. ./configure --prefix=3D/usr --localstatedir=3D/var --sysconfdir=3D/etc = --with-xen --with-qemu=3Dno --with-gnutls --with-uml=3Dno --with-openvz=3Dn= o --with-vmware=3Dno --with-phyp=3Dno --with-xenapi=3Dno --with-libxl=3Dyes= --with-vbox=3Dno --with-lxc=3Dno --with-esx=3Dno --with-hyperv=3Dno --wit= h-parallels=3Dno --with-init-script=3Dupstart 4. make 5. sudo make install 6. Add the two scripts (below=2C if they don't already exist) to /etc/init.= d/libvirt-bin and /etc/default/libvirt-bin 6. Ensure that /etc/default/libvirt-bin has '-l' to libvirtd_opts 7. Follow the instructions in http://wiki.libvirt.org/page/TLSSetup in inst= all tls on the cubieboards and admin machine 8. cd /etc/rc5.d sudo ln -s ../init.d/libvirt-bin S22libvirt-bin 9. cd /etc/rc6.d sudo ln -s ../init.d/libvirt-bin K19libvirt-bin sudo update-rc.d libvirt-bin defaults sudo service libvirt-bin start 10. Reboot the board 11. From the admin machine=2C edit /etc/hosts and add the cubieboardd addre= sses and names so that (a) the names are resolvable and (b) matches the nam= e on the certificates ie. 192.168.1.10 cubieboard2 Test that the admin machine can talk to the cubieboard: 1. sudo virsh -c xen://cubieboard2/system hostname ..... and you should get 'cubieboard2' returned=2C if not=2C ssh to the cub= ieboard and check/restart the daemon (sudo service libvirt-bin start) To set up the admin machine to ensure another user (instead of root) can ru= n virsh commands: On the admin machine 1. Add the user to the libvirt group (on older releases of libvirt=2C this = group is sometimes 'libvirtd') 2. Ensure that the clientcert.pem and clientkey.pem in /etc/pki/libvirt bel= ong to the libvirt group=2C ie: sudo chgrp libvirt /etc/pki/libvirt/clientcert.pem sudo chmod 440 /etc/pki/libvirt/clientcert.pem sudo chgrp libvirt /etc/pki/libvirt/private/clientkey.pem sudo chmod 440 /etc/pki/libvirt/private/clientkey.pem 3. Edit /etc/libvirt/libvirtd.conf and ensure unix_sock_group=2C unix_sock_= ro_perms=2C unix_sock_rw_perms are uncommented=2C allowing users in the lib= virt(d) group to use tls=2C ie unix_sock_group =3D "libvirt" unix_sock_ro_perms =3D "0777" unix_sock_rw_perms =3D "0770" On the cubieboard 4. ssh into the cubieboard and create a user which matches the 'admin' user= ( - 'nick' in my case)=2C sudo adduser 'username' 5. create a 'libvirt' group if one doesn't already exist sudo addgroup libvirt 6. add the admin user to the libvirt group sudo adduser 'username' libvirt 7. reboot The cubieboard should now be accessible remotely from a non-root account. Clone the mirage example mirage-skeleton/xen/static_website+ip=20 Compile the example (this currently needs to be built on a cubieboard)=2C a= nd then edit www.xl. Change the ipaddress=2C gateway etc. to suit=2C and th= en run the virsh 'domxml-from-native' translator to get the xml file requir= ed for deployment=20 virsh -c xen:/// domxml-from-native xen-xm www.xl > www.xml virsh -c xen://cubie0/system create www.xml --------------------------------------------------------------- /etc/default/libvirt-bin ------------------------ # Defaults for libvirt-bin initscript (/etc/init.d/libvirt-bin) # This is a POSIX shell fragment # Start libvirtd to handle qemu/kvm: start_libvirtd=3D"yes" # options passed to libvirtd=2C add "-l" to listen on tcp libvirtd_opts=3D"-d -l" # pass in location of kerberos keytab #export KRB5_KTNAME=3D/etc/libvirt/libvirt.keytab ---------------------------------------------------------------- /etc/init.d/libvirt-bin ----------------------- #! /bin/sh # # Init script for libvirtd # # (c) 2007 Guido Guenther # based on the skeletons that comes with dh_make # ### BEGIN INIT INFO # Provides: libvirt-bin libvirtd # Required-Start: $network $local_fs $remote_fs $syslog # Required-Stop: $local_fs $remote_fs $syslog # Should-Start: hal avahi cgconfig # Should-Stop: hal avahi cgconfig # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: libvirt management daemon ### END INIT INFO PATH=3D/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin DAEMON=3D/usr/sbin/libvirtd NAME=3Dlibvirtd DESC=3D"libvirt management daemon" export PATH test -x $DAEMON || exit 0 . /lib/lsb/init-functions PIDFILE=3D/var/run/$NAME.pid DODTIME=3D1 # Time to wait for the server to die=2C in se= conds # Include libvirtd defaults if available if [ -f /etc/default/libvirt-bin ] =3B then . /etc/default/libvirt-bin fi check_start_libvirtd_option() { if [ ! "$start_libvirtd" =3D "yes" ]=3B then log_warning_msg "Not starting libvirt management daemon libvirtd=2C dis= abled via /etc/default/libvirt-bin" return 1 else return 0 fi } running_pid() { # Check if a given process pid's cmdline matches a given name pid=3D$1 name=3D$2 [ -z "$pid" ] && return 1=20 [ ! -d /proc/$pid ] && return 1 cmd=3D`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1= ` # Is this the expected child? [ "$cmd" !=3D "$name" ] && return 1 return 0 } running() { # Check if the process is running looking at /proc # (works for all users) # No pidfile=2C probably no daemon present [ ! -f "$PIDFILE" ] && return 1 # Obtain the pid and check it against the binary name pid=3D`cat $PIDFILE` running_pid $pid $DAEMON || return 1 return 0 } force_stop() { # Forcefully kill the process [ ! -f "$PIDFILE" ] && return if running =3B then kill -15 $pid # Is it really dead? [ -n "$DODTIME" ] && sleep "$DODTIME"s if running =3B then kill -9 $pid [ -n "$DODTIME" ] && sleep "$DODTIME"s if running =3B then echo "Cannot kill $LABEL (pid=3D$pid)!" exit 1 fi fi fi rm -f $PIDFILE return 0 } case "$1" in start) if check_start_libvirtd_option=3B then log_daemon_msg "Starting $DESC" "$NAME" if running =3B then log_progress_msg "already running" log_end_msg 0 exit 0 fi rm -f /var/run/libvirtd.pid start-stop-daemon --start --quiet --pidfile $PIDFILE \ --exec $DAEMON -- $libvirtd_opts if running=3B then log_end_msg 0 else log_end_msg 1 fi fi =3B=3B stop) log_daemon_msg "Stopping $DESC" "$NAME" if ! running =3B then log_progress_msg "not running" log_end_msg 0 exit 0 fi start-stop-daemon --stop --quiet --pidfile $PIDFILE \ --exec $DAEMON log_end_msg 0 =3B=3B force-stop) log_daemon_msg "Forcefully stopping $DESC" "$NAME" force_stop if ! running=3B then log_end_msg 0 else log_end_msg 1 fi =3B=3B restart) if check_start_libvirtd_option=3B then log_daemon_msg "Restarting $DESC" "$DAEMON" start-stop-daemon --oknodo --stop --quiet --pidfile \ /var/run/$NAME.pid --exec $DAEMON [ -n "$DODTIME" ] && sleep $DODTIME start-stop-daemon --start --quiet --pidfile \ /var/run/$NAME.pid --exec $DAEMON -- $libvirtd_opts if running=3B then log_end_msg 0 else log_end_msg 1 fi fi =3B=3B reload|force-reload) if running=3B then log_daemon_msg "Reloading configuration of $DESC" "$NAME" start-stop-daemon --stop --signal 1 --quiet --pidfile \ /var/run/$NAME.pid --exec $DAEMON log_end_msg 0 else log_warning_msg "libvirtd not running=2C doing nothing." fi =3B=3B status) log_daemon_msg "Checking status of $DESC" "$NAME" if running =3B then log_progress_msg "running" log_end_msg 0 else log_progress_msg "not running" log_end_msg 1 if [ -f "$PIDFILE" ] =3B then exit 1 else exit 3 fi fi =3B=3B *) N=3D/etc/init.d/libvirt-bin echo "Usage: $N {start|stop|restart|reload|force-reload|status|force-st= op}" >&2 exit 1 =3B=3B esac exit 0 ---------------------------------------------------------------- = --_5f3baec8-d94e-4d0b-9258-374104a769fd_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hope this is useful to somebody.= It ended up being a bit of a journey as the packaged version of the arm li= bvirt didn't include the xen driver. First part cribbed from Thomas's cubie= board build instructions.




http://blobs.openmirage.org/cu= bieboard2-xen-iso.tar.bz2
http://blobs.openmirage.org/cubietruck-xen-iso= .tar.bz2

1. Download and unpack the image for your board.

2. = Copy to the SDcard=2C e.g.
dd if=3Dcubie.img of=3D/dev/mmcblk0

3.= Boot the device. It should get an IP address by DHCP.

The devices a= nnounce a .local name using mDNS=2C so you should be able to ssh to $BOARD.= local
4. ssh mirage@cubieboard2.local.


To change hostname of = the cubieboard:

1. edit /etc/hosts
127.0.1.1 =3B =3B = =3B =3B =3B =3B newname

2. edit /etc/hostname
newname=

To change the cubieboard to get a static ip address:

1. edit= /etc/network/interfaces and update with:

//
auto lo
iface lo = inet loopback

auto eth0
iface eth0 inet manual
 =3B up ip = link set eth0 up

auto br0
iface br0 inet static
 =3B bridg= e_ports eth0
 =3B address 192.168.1.11
 =3B broadcast 192.168= .1.255
 =3B netmask 255.255.255.0
 =3B gateway 192.168.1.254<= br>//

reboot

To set up ssh:

1. ssh mirage@192.168.1.11= (password: mirage)

2. ssh-keygen

3. logout (ctrl-d)

4= . scp ~/.ssh/id_rsa.pub mirage@192.168.1.11:.ssh/authorized_keys

5. = ssh =3B mirage@192.168.1.11

6. chmod 700 ~/.ssh

7. chmod = 600 ~/.ssh/authorized_keys

You should now have a working Xen host ("= xl list" to list current VMs=2C "lvcreate" to create guest disks).

T= o install the ARM version of mirage:

1. opam init

2. opam ins= tall mirage-xen-minios

3. opam pin mirage https://github.com/talex5/= mirage.git#link_c_stubs

4. opam pin mirage-xen https://github.com/mi= rage/mirage-platform

5. opam pin tcpip https://github.com/talex5/mir= age-tcpip.git#checksum

6. opam install mirage

(You should now= be able to follow the rest of the Mirage tutorial:)

To install libv= irt (the precompiled version doesn't contain the drivers for xen):

1= . sudo apt-get install uuid-dev libxml2-dev libdevmapper-dev libpciaccess-d= ev libnl-dev libxen-dev libgnutls-dev

2. download a release tarball = from libvirt.org (I used 1.2.6) (download to local machine=2C decompress=2C= scp libvirt-1.2.6.tar mirage@cubieboard2:

3. ssh mirage@cubieboard2= =3B tar xf libvirt-1.2.6.tar=3B rm libvirt-1.2.6.tar=3B cd libvirt-1.2.6
3. ./configure --prefix=3D/usr --localstatedir=3D/var =3B --syscon= fdir=3D/etc --with-xen --with-qemu=3Dno --with-gnutls --with-uml=3Dno --wit= h-openvz=3Dno --with-vmware=3Dno --with-phyp=3Dno --with-xenapi=3Dno --with= -libxl=3Dyes --with-vbox=3Dno --with-lxc=3Dno --with-esx=3Dno =3B --wit= h-hyperv=3Dno --with-parallels=3Dno --with-init-script=3Dupstart

4. = make

5. sudo make install

6. Add the two scripts (below=2C if= they don't already exist) to /etc/init.d/libvirt-bin and /etc/default/libv= irt-bin

6. Ensure that /etc/default/libvirt-bin has '-l' to libvirtd= _opts

7. Follow the instructions in http://wiki.libvirt.org/page/TLS= Setup in install tls on the cubieboards and admin machine

8. cd /etc= /rc5.d
 =3B =3B sudo ln -s ../init.d/libvirt-bin S22libvirt-bin<= br>
9. cd /etc/rc6.d
 =3B =3B sudo ln -s ../init.d/libvirt-bi= n K19libvirt-bin
 =3B =3B sudo =3B update-rc.d libvirt-bin d= efaults
 =3B =3B sudo service libvirt-bin start

10. Reboo= t the board

11. From the admin machine=2C edit /etc/hosts and add th= e cubieboardd addresses and names so that (a) the names are resolvable and = (b) matches the name on the certificates

ie.
192.168.1.10 cubiebo= ard2

Test that the admin machine can talk to the cubieboard:

= 1. sudo virsh -c xen://cubieboard2/system hostname

..... and you sho= uld get 'cubieboard2' returned=2C if not=2C ssh to the cubieboard and check= /restart the daemon (sudo service libvirt-bin start)


To set up t= he admin machine to ensure another user (instead of root) can run virsh com= mands:

On the admin machine

1. Add the user to the libvirt gr= oup (on older releases of libvirt=2C this group is sometimes 'libvirtd')
2. Ensure that the clientcert.pem and clientkey.pem in /etc/pki/libvir= t belong to the libvirt group=2C ie:
sudo chgrp libvirt /etc/pki/libvirt= /clientcert.pem
sudo chmod 440 /etc/pki/libvirt/clientcert.pem
sudo c= hgrp libvirt /etc/pki/libvirt/private/clientkey.pem
sudo chmod 440 /etc/= pki/libvirt/private/clientkey.pem

3. Edit /etc/libvirt/libvirtd.conf= and ensure unix_sock_group=2C unix_sock_ro_perms=2C unix_sock_rw_perms are= uncommented=2C allowing users in the libvirt(d) group to use tls=2C ie
= unix_sock_group =3D "libvirt"
unix_sock_ro_perms =3D "0777"
unix_sock= _rw_perms =3D "0770"

On the cubieboard

4. ssh into the cubieb= oard and create a user which matches the 'admin' user ( - 'nick' in my case= )=2C
sudo adduser 'username'

5. create a 'libvirt' group if one d= oesn't already exist
sudo addgroup libvirt

6. add the admin user = to the libvirt group
sudo adduser 'username' libvirt

7. reboot

The cubieboard should now be accessible remotely from a non-root a= ccount.

Clone the mirage example mirage-skeleton/xen/static_website+= ip

Compile the example (this currently needs to be built on a cubie= board)=2C and then edit www.xl. C= hange the ipaddress=2C gateway etc. to suit=2C and then run the virsh 'domx= ml-from-native' translator to get the xml file required for deployment
=
virsh -c xen:/// domxml-from-native xen-xm www.xl >=3B www.xml
virsh -c xen://cubie0/system create www.xml

-----------------------= ----------------------------------------

/etc/default/libvirt-bin------------------------

# Defaults for libvirt-bin initscript (/et= c/init.d/libvirt-bin)
# This is a POSIX shell fragment

# Start li= bvirtd to handle qemu/kvm:
start_libvirtd=3D"yes"

# options passe= d to libvirtd=2C add "-l" to listen on tcp
libvirtd_opts=3D"-d -l"
# pass in location of kerberos keytab
#export KRB5_KTNAME=3D/etc/libvi= rt/libvirt.keytab



------------------------------------------= ----------------------



/etc/init.d/libvirt-bin
----------= -------------

#! /bin/sh
#
# Init script for libvirtd
#
= # (c) 2007 Guido Guenther <=3Bagx@sigxcpu.org>=3B
# based on the ske= letons that comes with dh_make
#
### BEGIN INIT INFO
# Provides:&n= bsp=3B =3B =3B =3B =3B =3B =3B =3B =3B libv= irt-bin libvirtd
# Required-Start: =3B =3B =3B $network $loc= al_fs $remote_fs $syslog
# Required-Stop: =3B =3B =3B = =3B $local_fs $remote_fs $syslog
# Should-Start: =3B =3B =3B=  =3B =3B hal avahi cgconfig
# Should-Stop: =3B =3B = =3B =3B =3B =3B hal avahi cgconfig
# Default-Start: =3B&= nbsp=3B =3B =3B 2 3 4 5
# Default-Stop: =3B =3B =3B&= nbsp=3B =3B 0 1 6
# Short-Description: libvirt management daemon
= ### END INIT INFO

PATH=3D/usr/local/sbin:/usr/local/bin:/sbin:/bin:/= usr/sbin:/usr/bin
DAEMON=3D/usr/sbin/libvirtd
NAME=3Dlibvirtd
DESC= =3D"libvirt management daemon"
export PATH

test -x $DAEMON || exi= t 0
. /lib/lsb/init-functions

PIDFILE=3D/var/run/$NAME.pid
DOD= TIME=3D1 =3B =3B =3B =3B =3B =3B =3B =3B&nb= sp=3B =3B =3B =3B =3B =3B =3B =3B =3B = =3B # Time to wait for the server to die=2C in seconds

# Include lib= virtd defaults if available
if [ -f /etc/default/libvirt-bin ] =3B then<= br> =3B =3B =3B . /etc/default/libvirt-bin
fi

check_s= tart_libvirtd_option() {
 =3B if [ ! "$start_libvirtd" =3D "yes" ]= =3B then
 =3B =3B =3B log_warning_msg "Not starting libvirt = management daemon libvirtd=2C disabled via /etc/default/libvirt-bin"
&nb= sp=3B =3B =3B return 1
 =3B else
 =3B =3B =3B= return 0
 =3B fi
}

running_pid()
{
 =3B =3B=  =3B # Check if a given process pid's cmdline matches a given name
&= nbsp=3B =3B =3B pid=3D$1
 =3B =3B =3B name=3D$2
&= nbsp=3B =3B =3B [ -z "$pid" ] &=3B&=3B return 1
 =3B&= nbsp=3B =3B [ ! -d /proc/$pid ] &=3B&=3B =3B return 1
&nbs= p=3B =3B =3B cmd=3D`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n= 1 |cut -d : -f 1`
 =3B =3B =3B # Is this the expected child= ?
 =3B =3B =3B [ "$cmd" !=3D "$name" ] &=3B&=3B = =3B return 1
 =3B =3B =3B return 0
}

running()
= {
# Check if the process is running looking at /proc
# (works for all= users)
 =3B =3B =3B # No pidfile=2C probably no daemon pres= ent
 =3B =3B =3B [ ! -f "$PIDFILE" ] &=3B&=3B return 1=
 =3B =3B =3B # Obtain the pid and check it against the bina= ry name
 =3B =3B =3B pid=3D`cat $PIDFILE`
 =3B = =3B =3B running_pid $pid $DAEMON || return 1
 =3B =3B = =3B return 0
}

force_stop() {
# Forcefully kill the process =3B =3B =3B [ ! -f "$PIDFILE" ] &=3B&=3B return
&nbs= p=3B =3B =3B if running =3B then
 =3B =3B =3B = =3B =3B =3B =3B kill -15 $pid
 =3B =3B =3B = =3B =3B =3B =3B # Is it really dead?
 =3B =3B = =3B =3B =3B =3B =3B [ -n "$DODTIME" ] &=3B&=3B sleep = "$DODTIME"s
 =3B =3B =3B =3B =3B =3B =3B if = running =3B then
 =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B kill -9 $pid
 =3B =3B = =3B =3B =3B =3B =3B =3B =3B =3B =3B [ -n "$= DODTIME" ] &=3B&=3B sleep "$DODTIME"s
 =3B =3B =3B&nbs= p=3B =3B =3B =3B =3B =3B =3B =3B if running =3B= then
 =3B =3B =3B =3B =3B =3B =3B =3B&n= bsp=3B =3B =3B =3B =3B =3B =3B echo "Cannot kill $L= ABEL (pid=3D$pid)!"
 =3B =3B =3B =3B =3B =3B&nbs= p=3B =3B =3B =3B =3B =3B =3B =3B =3B exit 1=
 =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B fi
 =3B =3B =3B =3B =3B =3B&= nbsp=3B fi
 =3B =3B =3B fi
 =3B =3B =3B rm -f= $PIDFILE
 =3B =3B =3B return 0
}

case "$1" in
=  =3B start)
 =3B =3B =3B if check_start_libvirtd_option= =3B then
 =3B =3B =3B  =3B =3B =3B log_daemon_ms= g "Starting $DESC" "$NAME"
 =3B =3B =3B =3B =3B = =3B =3B  =3B =3B =3B if running =3B =3B then
 = =3B =3B =3B =3B =3B =3B =3B =3B =3B =3B=  =3B  =3B =3B =3B  =3B =3B =3B log_progress_msg= "already running"
 =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B  =3B =3B =3B  =3B = =3B =3B log_end_msg 0
 =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B =3B  =3B =3B =3B  = =3B =3B =3B exit 0
 =3B =3B =3B =3B =3B = =3B =3B  =3B =3B =3B fi
 =3B =3B =3B  = =3B =3B =3B rm -f /var/run/libvirtd.pid
 =3B =3B =3B=  =3B =3B =3B start-stop-daemon --start --quiet --pidfile $PIDF= ILE \
 =3B =3B =3B  =3B =3B =3B  =3B =3B=  =3B --exec $DAEMON -- $libvirtd_opts
 =3B =3B =3B  = =3B =3B =3B if running=3B then
 =3B =3B =3B  =3B=  =3B =3B  =3B =3B =3B log_end_msg 0
 =3B =3B=  =3B  =3B =3B =3B else
 =3B =3B =3B  =3B=  =3B =3B  =3B =3B =3B log_end_msg 1
 =3B =3B=  =3B  =3B =3B =3B fi
 =3B =3B =3B fi
&nbs= p=3B =3B =3B =3B=3B
 =3B stop)
 =3B =3B =3B l= og_daemon_msg "Stopping $DESC" "$NAME"
 =3B =3B =3B if ! run= ning =3B =3B then
 =3B =3B =3B =3B =3B =3B&n= bsp=3B =3B =3B =3B  =3B =3B =3B log_progress_msg "n= ot running"
 =3B =3B =3B =3B =3B =3B =3B&nbs= p=3B =3B =3B =3B  =3B =3B =3B log_end_msg 0
&nbs= p=3B =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B  =3B =3B =3B exit 0
 =3B =3B =3B&nbs= p=3B =3B =3B  =3B =3B =3B fi
 =3B =3B = =3B start-stop-daemon --stop --quiet --pidfile $PIDFILE \
 =3B = =3B =3B  =3B =3B =3B --exec $DAEMON
 =3B =3B&nbs= p=3B log_end_msg 0
 =3B =3B =3B =3B=3B
 =3B force-sto= p)
 =3B =3B =3B log_daemon_msg "Forcefully stopping $DESC" "= $NAME"
 =3B =3B =3B force_stop
 =3B =3B =3B i= f ! running=3B then
 =3B =3B =3B  =3B =3B =3B lo= g_end_msg 0
 =3B =3B =3B else
 =3B =3B =3B &n= bsp=3B =3B =3B log_end_msg 1
 =3B =3B =3B fi
&nbs= p=3B =3B =3B =3B=3B
 =3B restart)
 =3B =3B = =3B if check_start_libvirtd_option=3B then
 =3B =3B =3B &nbs= p=3B =3B =3B log_daemon_msg "Restarting $DESC" "$DAEMON"
 = =3B =3B =3B  =3B =3B =3B start-stop-daemon --oknodo --s= top --quiet --pidfile \
 =3B =3B =3B  =3B =3B = =3B  =3B =3B =3B /var/run/$NAME.pid --exec $DAEMON
 =3B&= nbsp=3B =3B  =3B =3B =3B [ -n "$DODTIME" ] &=3B&=3B s= leep $DODTIME
 =3B =3B =3B  =3B =3B =3B start-st= op-daemon --start --quiet --pidfile \
 =3B =3B =3B  =3B&= nbsp=3B =3B  =3B =3B =3B /var/run/$NAME.pid --exec $DAEMON = -- $libvirtd_opts
 =3B =3B =3B  =3B =3B =3B if r= unning=3B then
 =3B =3B =3B  =3B =3B =3B  = =3B =3B =3B log_end_msg 0
 =3B =3B =3B  =3B = =3B =3B else
 =3B =3B =3B  =3B =3B =3B  = =3B =3B =3B log_end_msg 1
 =3B =3B =3B  =3B = =3B =3B fi
 =3B =3B =3B fi
 =3B =3B =3B = =3B=3B
 =3B reload|force-reload)
 =3B  =3B =3B = =3B if running=3B then
 =3B =3B =3B =3B =3B =3B&= nbsp=3B =3B =3B =3B =3B log_daemon_msg "Reloading configura= tion of $DESC" "$NAME"
 =3B =3B =3B  =3B =3B =3B= start-stop-daemon --stop --signal 1 --quiet --pidfile \
 =3B = =3B =3B  =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B =3B /var/run/$NAME.pid --exec $DAEMON
&n= bsp=3B =3B =3B  =3B =3B =3B log_end_msg 0
 =3B&n= bsp=3B =3B else
 =3B =3B =3B =3B =3B =3B&nbs= p=3B =3B =3B =3B =3B log_warning_msg "libvirtd not running= =2C doing nothing."
 =3B =3B =3B fi
 =3B =3B = =3B =3B=3B
 =3B status)
 =3B =3B =3B =3B =3B&= nbsp=3B =3B log_daemon_msg "Checking status of $DESC" "$NAME"
 = =3B =3B =3B =3B =3B =3B =3B if running =3B =3B = then
 =3B =3B =3B =3B =3B =3B =3B =3B&nb= sp=3B =3B =3B log_progress_msg "running"
 =3B =3B = =3B =3B =3B =3B =3B =3B =3B =3B =3B log_end= _msg 0
 =3B =3B =3B =3B =3B =3B =3B else
=  =3B =3B =3B =3B =3B =3B =3B =3B =3B&nb= sp=3B =3B log_progress_msg "not running"
 =3B =3B =3B&nb= sp=3B =3B =3B =3B =3B =3B =3B =3B log_end_msg 1=
 =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B if [ -f "$PIDFILE" ] =3B then
 =3B =3B = =3B =3B =3B =3B =3B =3B =3B =3B =3B =3B=  =3B =3B =3B exit 1
 =3B =3B =3B =3B =3B=  =3B =3B =3B =3B =3B =3B else
 =3B =3B&n= bsp=3B =3B =3B =3B =3B =3B =3B =3B =3B = =3B =3B =3B =3B exit 3
 =3B =3B =3B =3B = =3B =3B =3B =3B =3B =3B =3B fi
 =3B =3B&= nbsp=3B fi
 =3B =3B =3B =3B=3B
 =3B *)
 =3B&nb= sp=3B =3B N=3D/etc/init.d/libvirt-bin
 =3B =3B =3B echo = "Usage: $N {start|stop|restart|reload|force-reload|status|force-stop}" >= =3B&=3B2
 =3B =3B =3B exit 1
 =3B =3B =3B = =3B=3B
esac

exit 0

---------------------------------------= -------------------------



= --_5f3baec8-d94e-4d0b-9258-374104a769fd_-- --===============2794373547476711793== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2794373547476711793==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 11:43:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 11:43:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC5o5-00088v-TG; Tue, 29 Jul 2014 11:43:01 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC5o3-00088q-Jv for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 11:42:59 +0000 Received: from [85.158.137.68:29676] by server-1.bemta-3.messagelabs.com id 65/30-30185-2C887D35; Tue, 29 Jul 2014 11:42:58 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406634177!18667488!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30416 invoked from network); 29 Jul 2014 11:42:57 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 29 Jul 2014 11:42:57 -0000 Received: (qmail 14386 invoked by uid 634); 29 Jul 2014 11:42:57 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 29 Jul 2014 12:42:56 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <53D6903C.60101@nottingham.ac.uk> Date: Tue, 29 Jul 2014 13:42:55 +0200 Message-Id: References: <53D6903C.60101@nottingham.ac.uk> To: Masoud Koleini , Haris Rotsos X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Test environment for OpenFlow switch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi Masoud, I'm CCing Haris Rotsos, who wrote the implementation you are referring to. It would be very useful to have that ported to the modern Tcpip library (since we can also upgrade the switch to use a faster vchan [1] protocol quite easily from there too) I think the tap setup on Unix will be fairly standard Linux networking -- you need to create a bridge for the switch interfaces, and one of the controller, and add the relevant tap interfaces there. [1] http://openmirage.org/blog/update-on-vchan -anil On 28 Jul 2014, at 20:02, Masoud Koleini wrote: > Hi all, > > I am modifying the implementation of Mirage OpenFlow to use tcpip library instead of mirage-net. I am using Beacon for the controller and now setting up a test environment for the switch. > > The switch implementation uses tap0 for the controller interface, and other tap devised for switch ports. What could be the best test environment set-up (under Mirage unix config)? Can I have both the controller and switch operate on the same OS (Ubuntu)? What would be the configuration in this case, or in the case that I run switch application on a virtual machine? > > Thanks > > > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 11:43:08 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 11:43:08 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC5o5-00088v-TG; Tue, 29 Jul 2014 11:43:01 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC5o3-00088q-Jv for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 11:42:59 +0000 Received: from [85.158.137.68:29676] by server-1.bemta-3.messagelabs.com id 65/30-30185-2C887D35; Tue, 29 Jul 2014 11:42:58 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406634177!18667488!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30416 invoked from network); 29 Jul 2014 11:42:57 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 29 Jul 2014 11:42:57 -0000 Received: (qmail 14386 invoked by uid 634); 29 Jul 2014 11:42:57 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Tue, 29 Jul 2014 12:42:56 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <53D6903C.60101@nottingham.ac.uk> Date: Tue, 29 Jul 2014 13:42:55 +0200 Message-Id: References: <53D6903C.60101@nottingham.ac.uk> To: Masoud Koleini , Haris Rotsos X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Test environment for OpenFlow switch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org Hi Masoud, I'm CCing Haris Rotsos, who wrote the implementation you are referring to. It would be very useful to have that ported to the modern Tcpip library (since we can also upgrade the switch to use a faster vchan [1] protocol quite easily from there too) I think the tap setup on Unix will be fairly standard Linux networking -- you need to create a bridge for the switch interfaces, and one of the controller, and add the relevant tap interfaces there. [1] http://openmirage.org/blog/update-on-vchan -anil On 28 Jul 2014, at 20:02, Masoud Koleini wrote: > Hi all, > > I am modifying the implementation of Mirage OpenFlow to use tcpip library instead of mirage-net. I am using Beacon for the controller and now setting up a test environment for the switch. > > The switch implementation uses tap0 for the controller interface, and other tap devised for switch ports. What could be the best test environment set-up (under Mirage unix config)? Can I have both the controller and switch operate on the same OS (Ubuntu)? What would be the configuration in this case, or in the case that I run switch application on a virtual machine? > > Thanks > > > This message and any attachment are intended solely for the addressee and may contain confidential information. If you have received this message in error, please send it back to me, and immediately delete it. Please do not use, copy or disclose the information contained in this message or in any attachment. Any views or opinions expressed by the author of this email do not necessarily reflect the views of the University of Nottingham. > > This message has been checked for viruses but the contents of an attachment > may still contain software viruses which could damage your computer system, you are advised to perform your own checks. Email communications with the University of Nottingham may be monitored as permitted by UK legislation. > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 12:04:34 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 12:04:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC68q-000194-AQ; Tue, 29 Jul 2014 12:04:28 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC68o-00018v-Mp for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 12:04:26 +0000 Received: from [85.158.139.211:42809] by server-2.bemta-5.messagelabs.com id F9/D2-31832-ACD87D35; Tue, 29 Jul 2014 12:04:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1406635463!18174018!1 X-Originating-IP: [209.85.218.41] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8606 invoked from network); 29 Jul 2014 12:04:25 -0000 Received: from mail-oi0-f41.google.com (HELO mail-oi0-f41.google.com) (209.85.218.41) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 12:04:25 -0000 Received: by mail-oi0-f41.google.com with SMTP id a141so7215112oig.14 for ; Tue, 29 Jul 2014 05:04:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=Jmmnb7VdGkOLk5J6qVW7SIXts0xfmMlz106nV3HJCRo=; b=jk/NoHqW1HWHiCT8/y5FYVrxFf8Q3OJpmf+LlATxtT90UavD3tw5G9cBuAFaRPr61x Ro24frVK27bDhCH6M8IsvwWhMhrRKSZGSYCJWzLo82z/iWJ5CRiwTK+XKwMqTNS8kuAy rKB4nyRmmo5rnhQtdC7aPvC/nasG/9EwnJYrhu+HpyS1jzJ4/KJ6pIIRsFibsWNwiv7H Ikx62j0siXiSq4WFBb52CA3T8d9XS3ZguMN83UqsOvAMVlcWEKExQYTsklk1d4Vs6vb5 hDtfE7Zkl72fmN0uGapRlrQl3Vg9NCx6VLbgEH73j29dL0OAU/UEAXLi3PMaxLXCq0nX eonQ== MIME-Version: 1.0 X-Received: by 10.60.135.233 with SMTP id pv9mr2557385oeb.75.1406635463492; Tue, 29 Jul 2014 05:04:23 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 29 Jul 2014 05:04:23 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Jul 2014 13:04:23 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 7 July 2014 10:08, Thomas Leonard wrote: > I'm writing a test Mirage service for queuing files. It's not using > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > I did some more tests and wrote the results up here: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ In summary: 1. Adding a block cache helped a bit, but it was still too slow. 2. Dropping FAT and writing directly to the SD card helped a lot. 3. It's now fast enough for my use, but still slower than I was expecting. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 12:04:34 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 12:04:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC68q-000194-AQ; Tue, 29 Jul 2014 12:04:28 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC68o-00018v-Mp for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 12:04:26 +0000 Received: from [85.158.139.211:42809] by server-2.bemta-5.messagelabs.com id F9/D2-31832-ACD87D35; Tue, 29 Jul 2014 12:04:26 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1406635463!18174018!1 X-Originating-IP: [209.85.218.41] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8606 invoked from network); 29 Jul 2014 12:04:25 -0000 Received: from mail-oi0-f41.google.com (HELO mail-oi0-f41.google.com) (209.85.218.41) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 12:04:25 -0000 Received: by mail-oi0-f41.google.com with SMTP id a141so7215112oig.14 for ; Tue, 29 Jul 2014 05:04:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=Jmmnb7VdGkOLk5J6qVW7SIXts0xfmMlz106nV3HJCRo=; b=jk/NoHqW1HWHiCT8/y5FYVrxFf8Q3OJpmf+LlATxtT90UavD3tw5G9cBuAFaRPr61x Ro24frVK27bDhCH6M8IsvwWhMhrRKSZGSYCJWzLo82z/iWJ5CRiwTK+XKwMqTNS8kuAy rKB4nyRmmo5rnhQtdC7aPvC/nasG/9EwnJYrhu+HpyS1jzJ4/KJ6pIIRsFibsWNwiv7H Ikx62j0siXiSq4WFBb52CA3T8d9XS3ZguMN83UqsOvAMVlcWEKExQYTsklk1d4Vs6vb5 hDtfE7Zkl72fmN0uGapRlrQl3Vg9NCx6VLbgEH73j29dL0OAU/UEAXLi3PMaxLXCq0nX eonQ== MIME-Version: 1.0 X-Received: by 10.60.135.233 with SMTP id pv9mr2557385oeb.75.1406635463492; Tue, 29 Jul 2014 05:04:23 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Tue, 29 Jul 2014 05:04:23 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Jul 2014 13:04:23 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 7 July 2014 10:08, Thomas Leonard wrote: > I'm writing a test Mirage service for queuing files. It's not using > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > I did some more tests and wrote the results up here: http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ In summary: 1. Adding a block cache helped a bit, but it was still too slow. 2. Dropping FAT and writing directly to the SD card helped a lot. 3. It's now fast enough for my use, but still slower than I was expecting. -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 13:04:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 13:04:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC75C-0002k2-Ky; Tue, 29 Jul 2014 13:04:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC75A-0002iq-Vb for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 13:04:45 +0000 Received: from [85.158.139.211:54106] by server-7.bemta-5.messagelabs.com id 7D/69-30869-CEB97D35; Tue, 29 Jul 2014 13:04:44 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1406639081!14054539!1 X-Originating-IP: [209.85.220.47] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21784 invoked from network); 29 Jul 2014 13:04:43 -0000 Received: from mail-pa0-f47.google.com (HELO mail-pa0-f47.google.com) (209.85.220.47) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 13:04:43 -0000 Received: by mail-pa0-f47.google.com with SMTP id kx10so12319043pab.20 for ; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=bP92/ul/9IX5QgS34j2vC2Zp+WfNZgtesaQGpOu1U34=; b=R0nOxHJGmgu6uxQ92MgLK5OVXWji0hGj8snfzhRDtnAjlEfi3F9aI7uuzSFAjA1Lmh MTdFjRO15Lgl4s00JIksk7tUetVPxLEU6XNJzHVtgVFZKZfsKN8KXDH+TqC48lIwyNre Hm72CAvQs2uAjzgrY4+zCqkGYSKLvru1Jz9bNN/ekjdhuanPvvdhZob4gaFXUu2e4K8P AvSeLGtV4A9WF9kyoSyPpzyoATe4dWLDFnwE4Va48+w4jzpVvEzcdQnMMFshMmJ3/a4C /1k+nTeuOsuDhG4QFFj39CGRKeidKlnq5nbq5Axs0QCkJs12w/O15YNQJ85MvqC+aZGA DGYw== MIME-Version: 1.0 X-Received: by 10.66.246.138 with SMTP id xw10mr1944829pac.142.1406639079365; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) Received: by 10.70.5.5 with HTTP; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) Received: by 10.70.5.5 with HTTP; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Jul 2014 14:04:39 +0100 Message-ID: From: David Scott To: Thomas Leonard , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4008293734770449927==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4008293734770449927== Content-Type: multipart/alternative; boundary=047d7b15fc91a7216704ff54aee1 --047d7b15fc91a7216704ff54aee1 Content-Type: text/plain; charset=UTF-8 Hi, Very enjoyable post! On 29 Jul 2014 13:04, "Thomas Leonard" wrote: > > On 7 July 2014 10:08, Thomas Leonard wrote: > > I'm writing a test Mirage service for queuing files. It's not using > > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > > > > I did some more tests and wrote the results up here: > > http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ > > In summary: > > 1. Adding a block cache helped a bit, but it was still too slow. I think a cache would be helpful for many applications. It's always a bit painful to disable caching on linux-- O_DIRECT doesn't always work, and then you have to align all your buffers. I like the uncached-by-default behaviour of Mirage, but we should make it easier to turn caching back on. > 2. Dropping FAT and writing directly to the SD card helped a lot. I think we should concentrate on a block backend for Irmin and label FAT as not part of the Mirage "core". FAT will always be useful for things like making a bootable disk image containing a kernel but it'll never be a drop-in replacement for a modern Linux filesystem :-) > 3. It's now fast enough for my use, but still slower than I was expecting. It's very easy to make a small change which hammers performance. I think I'll concentrate on writing performance tests which can run from a CI when I'm back. Thanks, Dave > > > -- > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --047d7b15fc91a7216704ff54aee1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Hi,

Very enjoyable post!

On 29 Jul 2014 13:04, "Thomas Leonard" <talex5@gmail.com> wrote:
>
> On 7 July 2014 10:08, Thomas Leonard <talex5@gmail.com> wrote:
> > I'm writing a test Mirage service for queuing files. It's= not using
> > ThomasG's merge-queues - I'm just trying the low-level FS= stuff first.
> >
>
> I did some more tests and wrote the results up here:
>
> =C2=A0 http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/<= br> >
> In summary:
>
> 1. Adding a block cache helped a bit, but it was still too slow.

I think a cache would be helpful for many applications. It&#= 39;s always a bit painful to disable caching on linux-- O_DIRECT doesn'= t always work, and then you have to align all your buffers. I like the unca= ched-by-default behaviour of Mirage, but we should make it easier to turn c= aching back on.

> 2. Dropping FAT and writing directly to the SD card hel= ped a lot.

I think we should concentrate on a block backend for Irmin a= nd label FAT as not part of the Mirage "core". FAT will always be= useful for things like making a bootable disk image containing a kernel bu= t it'll never be a drop-in replacement for a modern Linux filesystem :-= )

> 3. It's now fast enough for my use, but still slowe= r than I was expecting.

It's very easy to make a small change which hammers perf= ormance. I think
I'll concentrate on writing=C2=A0 performance tests which can run from = a CI when I'm back.

Thanks,
Dave
>
>
> --
> Dr Thomas Leonard =C2=A0 =C2=A0 =C2=A0 =C2=A0http://0install.net/
> GPG: 9242 9807 C985 3C07 44A6 =C2=A08B9A AE07 8280 59A5 3CC1
> GPG: DA98 25AE CAD0 8975 7CDA =C2=A0BD8E 0713 3F96 CA74 D8BA
>
> _______________________________________________
> MirageOS-devel mailing list
> MirageOS-devel@= lists.xenproject.org
> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-dev= el

--047d7b15fc91a7216704ff54aee1-- --===============4008293734770449927== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4008293734770449927==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 13:04:51 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 13:04:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC75C-0002k2-Ky; Tue, 29 Jul 2014 13:04:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XC75A-0002iq-Vb for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 13:04:45 +0000 Received: from [85.158.139.211:54106] by server-7.bemta-5.messagelabs.com id 7D/69-30869-CEB97D35; Tue, 29 Jul 2014 13:04:44 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-11.tower-206.messagelabs.com!1406639081!14054539!1 X-Originating-IP: [209.85.220.47] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23, RCVD_BY_IP, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21784 invoked from network); 29 Jul 2014 13:04:43 -0000 Received: from mail-pa0-f47.google.com (HELO mail-pa0-f47.google.com) (209.85.220.47) by server-11.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 13:04:43 -0000 Received: by mail-pa0-f47.google.com with SMTP id kx10so12319043pab.20 for ; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=bP92/ul/9IX5QgS34j2vC2Zp+WfNZgtesaQGpOu1U34=; b=R0nOxHJGmgu6uxQ92MgLK5OVXWji0hGj8snfzhRDtnAjlEfi3F9aI7uuzSFAjA1Lmh MTdFjRO15Lgl4s00JIksk7tUetVPxLEU6XNJzHVtgVFZKZfsKN8KXDH+TqC48lIwyNre Hm72CAvQs2uAjzgrY4+zCqkGYSKLvru1Jz9bNN/ekjdhuanPvvdhZob4gaFXUu2e4K8P AvSeLGtV4A9WF9kyoSyPpzyoATe4dWLDFnwE4Va48+w4jzpVvEzcdQnMMFshMmJ3/a4C /1k+nTeuOsuDhG4QFFj39CGRKeidKlnq5nbq5Axs0QCkJs12w/O15YNQJ85MvqC+aZGA DGYw== MIME-Version: 1.0 X-Received: by 10.66.246.138 with SMTP id xw10mr1944829pac.142.1406639079365; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) Received: by 10.70.5.5 with HTTP; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) Received: by 10.70.5.5 with HTTP; Tue, 29 Jul 2014 06:04:39 -0700 (PDT) In-Reply-To: References: Date: Tue, 29 Jul 2014 14:04:39 +0100 Message-ID: From: David Scott To: Thomas Leonard , mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4008293734770449927==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4008293734770449927== Content-Type: multipart/alternative; boundary=047d7b15fc91a7216704ff54aee1 --047d7b15fc91a7216704ff54aee1 Content-Type: text/plain; charset=UTF-8 Hi, Very enjoyable post! On 29 Jul 2014 13:04, "Thomas Leonard" wrote: > > On 7 July 2014 10:08, Thomas Leonard wrote: > > I'm writing a test Mirage service for queuing files. It's not using > > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. > > > > I did some more tests and wrote the results up here: > > http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ > > In summary: > > 1. Adding a block cache helped a bit, but it was still too slow. I think a cache would be helpful for many applications. It's always a bit painful to disable caching on linux-- O_DIRECT doesn't always work, and then you have to align all your buffers. I like the uncached-by-default behaviour of Mirage, but we should make it easier to turn caching back on. > 2. Dropping FAT and writing directly to the SD card helped a lot. I think we should concentrate on a block backend for Irmin and label FAT as not part of the Mirage "core". FAT will always be useful for things like making a bootable disk image containing a kernel but it'll never be a drop-in replacement for a modern Linux filesystem :-) > 3. It's now fast enough for my use, but still slower than I was expecting. It's very easy to make a small change which hammers performance. I think I'll concentrate on writing performance tests which can run from a CI when I'm back. Thanks, Dave > > > -- > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --047d7b15fc91a7216704ff54aee1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Hi,

Very enjoyable post!

On 29 Jul 2014 13:04, "Thomas Leonard" <talex5@gmail.com> wrote:
>
> On 7 July 2014 10:08, Thomas Leonard <talex5@gmail.com> wrote:
> > I'm writing a test Mirage service for queuing files. It's= not using
> > ThomasG's merge-queues - I'm just trying the low-level FS= stuff first.
> >
>
> I did some more tests and wrote the results up here:
>
> =C2=A0 http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/<= br> >
> In summary:
>
> 1. Adding a block cache helped a bit, but it was still too slow.

I think a cache would be helpful for many applications. It&#= 39;s always a bit painful to disable caching on linux-- O_DIRECT doesn'= t always work, and then you have to align all your buffers. I like the unca= ched-by-default behaviour of Mirage, but we should make it easier to turn c= aching back on.

> 2. Dropping FAT and writing directly to the SD card hel= ped a lot.

I think we should concentrate on a block backend for Irmin a= nd label FAT as not part of the Mirage "core". FAT will always be= useful for things like making a bootable disk image containing a kernel bu= t it'll never be a drop-in replacement for a modern Linux filesystem :-= )

> 3. It's now fast enough for my use, but still slowe= r than I was expecting.

It's very easy to make a small change which hammers perf= ormance. I think
I'll concentrate on writing=C2=A0 performance tests which can run from = a CI when I'm back.

Thanks,
Dave
>
>
> --
> Dr Thomas Leonard =C2=A0 =C2=A0 =C2=A0 =C2=A0http://0install.net/
> GPG: 9242 9807 C985 3C07 44A6 =C2=A08B9A AE07 8280 59A5 3CC1
> GPG: DA98 25AE CAD0 8975 7CDA =C2=A0BD8E 0713 3F96 CA74 D8BA
>
> _______________________________________________
> MirageOS-devel mailing list
> MirageOS-devel@= lists.xenproject.org
> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-dev= el

--047d7b15fc91a7216704ff54aee1-- --===============4008293734770449927== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4008293734770449927==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 18:28:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 18:28:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCC8O-0004M7-DV; Tue, 29 Jul 2014 18:28:24 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCC8M-0004M2-OO for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 18:28:22 +0000 Received: from [193.109.254.147:16446] by server-6.bemta-14.messagelabs.com id 0B/6E-31278-6C7E7D35; Tue, 29 Jul 2014 18:28:22 +0000 X-Env-Sender: russell.pavlicek@citrix.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1406658499!7112756!1 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24975 invoked from network); 29 Jul 2014 18:28:20 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 18:28:20 -0000 X-IronPort-AV: E=Sophos;i="5.01,758,1400025600"; d="scan'208,217";a="156883111" Received: from sjcpex01cl02.citrite.net ([10.216.14.144]) by FTLPIPO01.CITRIX.COM with ESMTP/TLS/AES128-SHA; 29 Jul 2014 18:28:18 +0000 Received: from SJCPEX01CL03.citrite.net ([169.254.3.218]) by SJCPEX01CL02.citrite.net ([10.216.14.144]) with mapi id 14.03.0181.006; Tue, 29 Jul 2014 11:28:18 -0700 From: Russell Pavlicek To: "mirageos-devel@lists.xenproject.org" Thread-Topic: Doc Day Tomorrow: Mirage V2 Thread-Index: Ac+rVyHiLi3z0XzuQDG0GbwMwplfMA== Date: Tue, 29 Jul 2014 18:28:18 +0000 Message-ID: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] MIME-Version: 1.0 Subject: [MirageOS-devel] Doc Day Tomorrow: Mirage V2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2918298911294063049==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2918298911294063049== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_" --_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Greetings Miragites! Document Day for Wiki.XenProject.org is tomorrow (Wednesday). With the release of Mirage V2, it seems to me that some basic documentation= of Mirage V2 should find its way into Wiki.XenProject.org. Certainly, ther= e are some pages already assembled under the "Mirage" category, but I think= there is far more to be said. After talking with Richard at OSCON, I am convinced that we need a "Why Mir= age?" type document on the Xen Project wiki -- a document which explains wh= y this concept of library OS/Cloud OS/unikernel should be of interest to us= ers. I've started a page called "Cloud Operating Systems" which tries to a= ddress the concept at a very high level. It would be good to see that tie = in to a more detailed page -- although not in the technical weeds -- which = explains why Mirage itself is worth exploring. What problems can it solve?= Why should people looking at Linux Containers look at Mirage? What curre= nt and future scenarios will it facilitate? Basically, something similar t= o your "Overview of Mirage" page on your website, complete with links to yo= ur docs, needs to be presented on our wiki. I know many pages of excellent docs are in place on your own website, and t= hose should stay where they are right now. But it would be extremely usefu= l to see some basic introductory information on the Xen Project Wiki with l= inks to the appropriate details on the Mirage docs. Readers of the Xen Pro= ject Wiki should be enticed to learn more about Mirage. Right now, we lack= the interesting introductory material which will draw them over to your si= te. If anyone is willing to pitch in tomorrow to help create a page (or pages) = on Wiki.XenProject.org to lead folks to the Mirage docs and blogs, that wou= ld be wonderful! The usual Doc Day info can be found here: http://wiki.xenproject.org/wiki/Xen_Project_Document_Days Hope to see you tomorrow on #xendocs! Russ Pavlicek Xen Project Document Day Noisemaker Home Office: +1-301-829-5327 UK VoIP: +44 1223 852 894 --_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Greetings Miragites!

Document Day for Wiki.XenProject.org is tomorrow (Wednesday).

With the release of Mirage V2, it seems to me that some basic documentation= of Mirage V2 should find its way into Wiki.XenProject.org. Certainly, ther= e are some pages already assembled under the "Mirage" category, b= ut I think there is far more to be said.

After talking with Richard at OSCON, I am convinced that we need a "Wh= y Mirage?" type document on the Xen Project wiki -- a document which e= xplains why this concept of library OS/Cloud OS/unikernel should be of inte= rest to users.  I've started a page called "Cloud Operating Systems" which tries to address the concept at = a very high level.  It would be good to see that tie in to a more deta= iled page -- although not in the technical weeds -- which explains why Mira= ge itself is worth exploring.  What problems can it solve?  Why should people looking at Linux Containers look at Mira= ge?  What current and future scenarios will it facilitate?  Basic= ally, something similar to your "Overview of Mirage" page on your= website, complete with links to your docs, needs to be presented on our wiki.

I know many pages of excellent docs are in place on your own website, and t= hose should stay where they are right now.  But it would be extremely = useful to see some basic introductory information on the Xen Project Wiki w= ith links to the appropriate details on the Mirage docs.  Readers of the Xen Project Wiki should be entice= d to learn more about Mirage.  Right now, we lack the interesting intr= oductory material which will draw them over to your site.

If anyone is willing to pitch in tomorrow to help create a page (or pages) = on Wiki.XenProject.org to lead folks to the Mirage docs and blogs, that wou= ld be wonderful!

The usual Doc Day info can be found here:

http://wiki.xenproject.org/wiki/Xen_Project_Document_Days<= br>
Hope to see you tomorrow on #xendocs!

Russ Pavlicek
Xen Project Document Day Noisemaker
Home Office: +1-301-829-5327
UK VoIP: +44 1223 852 894
--_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_-- --===============2918298911294063049== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2918298911294063049==-- From mirageos-devel-bounces@lists.xenproject.org Tue Jul 29 18:28:28 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 29 Jul 2014 18:28:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCC8O-0004M7-DV; Tue, 29 Jul 2014 18:28:24 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCC8M-0004M2-OO for mirageos-devel@lists.xenproject.org; Tue, 29 Jul 2014 18:28:22 +0000 Received: from [193.109.254.147:16446] by server-6.bemta-14.messagelabs.com id 0B/6E-31278-6C7E7D35; Tue, 29 Jul 2014 18:28:22 +0000 X-Env-Sender: russell.pavlicek@citrix.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1406658499!7112756!1 X-Originating-IP: [66.165.176.89] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTY1LjE3Ni44OSA9PiAyMDMwMDc=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24975 invoked from network); 29 Jul 2014 18:28:20 -0000 Received: from smtp.citrix.com (HELO SMTP.CITRIX.COM) (66.165.176.89) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 29 Jul 2014 18:28:20 -0000 X-IronPort-AV: E=Sophos;i="5.01,758,1400025600"; d="scan'208,217";a="156883111" Received: from sjcpex01cl02.citrite.net ([10.216.14.144]) by FTLPIPO01.CITRIX.COM with ESMTP/TLS/AES128-SHA; 29 Jul 2014 18:28:18 +0000 Received: from SJCPEX01CL03.citrite.net ([169.254.3.218]) by SJCPEX01CL02.citrite.net ([10.216.14.144]) with mapi id 14.03.0181.006; Tue, 29 Jul 2014 11:28:18 -0700 From: Russell Pavlicek To: "mirageos-devel@lists.xenproject.org" Thread-Topic: Doc Day Tomorrow: Mirage V2 Thread-Index: Ac+rVyHiLi3z0XzuQDG0GbwMwplfMA== Date: Tue, 29 Jul 2014 18:28:18 +0000 Message-ID: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.13.112.13] MIME-Version: 1.0 Subject: [MirageOS-devel] Doc Day Tomorrow: Mirage V2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2918298911294063049==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2918298911294063049== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_" --_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Greetings Miragites! Document Day for Wiki.XenProject.org is tomorrow (Wednesday). With the release of Mirage V2, it seems to me that some basic documentation= of Mirage V2 should find its way into Wiki.XenProject.org. Certainly, ther= e are some pages already assembled under the "Mirage" category, but I think= there is far more to be said. After talking with Richard at OSCON, I am convinced that we need a "Why Mir= age?" type document on the Xen Project wiki -- a document which explains wh= y this concept of library OS/Cloud OS/unikernel should be of interest to us= ers. I've started a page called "Cloud Operating Systems" which tries to a= ddress the concept at a very high level. It would be good to see that tie = in to a more detailed page -- although not in the technical weeds -- which = explains why Mirage itself is worth exploring. What problems can it solve?= Why should people looking at Linux Containers look at Mirage? What curre= nt and future scenarios will it facilitate? Basically, something similar t= o your "Overview of Mirage" page on your website, complete with links to yo= ur docs, needs to be presented on our wiki. I know many pages of excellent docs are in place on your own website, and t= hose should stay where they are right now. But it would be extremely usefu= l to see some basic introductory information on the Xen Project Wiki with l= inks to the appropriate details on the Mirage docs. Readers of the Xen Pro= ject Wiki should be enticed to learn more about Mirage. Right now, we lack= the interesting introductory material which will draw them over to your si= te. If anyone is willing to pitch in tomorrow to help create a page (or pages) = on Wiki.XenProject.org to lead folks to the Mirage docs and blogs, that wou= ld be wonderful! The usual Doc Day info can be found here: http://wiki.xenproject.org/wiki/Xen_Project_Document_Days Hope to see you tomorrow on #xendocs! Russ Pavlicek Xen Project Document Day Noisemaker Home Office: +1-301-829-5327 UK VoIP: +44 1223 852 894 --_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Greetings Miragites!

Document Day for Wiki.XenProject.org is tomorrow (Wednesday).

With the release of Mirage V2, it seems to me that some basic documentation= of Mirage V2 should find its way into Wiki.XenProject.org. Certainly, ther= e are some pages already assembled under the "Mirage" category, b= ut I think there is far more to be said.

After talking with Richard at OSCON, I am convinced that we need a "Wh= y Mirage?" type document on the Xen Project wiki -- a document which e= xplains why this concept of library OS/Cloud OS/unikernel should be of inte= rest to users.  I've started a page called "Cloud Operating Systems" which tries to address the concept at = a very high level.  It would be good to see that tie in to a more deta= iled page -- although not in the technical weeds -- which explains why Mira= ge itself is worth exploring.  What problems can it solve?  Why should people looking at Linux Containers look at Mira= ge?  What current and future scenarios will it facilitate?  Basic= ally, something similar to your "Overview of Mirage" page on your= website, complete with links to your docs, needs to be presented on our wiki.

I know many pages of excellent docs are in place on your own website, and t= hose should stay where they are right now.  But it would be extremely = useful to see some basic introductory information on the Xen Project Wiki w= ith links to the appropriate details on the Mirage docs.  Readers of the Xen Project Wiki should be entice= d to learn more about Mirage.  Right now, we lack the interesting intr= oductory material which will draw them over to your site.

If anyone is willing to pitch in tomorrow to help create a page (or pages) = on Wiki.XenProject.org to lead folks to the Mirage docs and blogs, that wou= ld be wonderful!

The usual Doc Day info can be found here:

http://wiki.xenproject.org/wiki/Xen_Project_Document_Days<= br>
Hope to see you tomorrow on #xendocs!

Russ Pavlicek
Xen Project Document Day Noisemaker
Home Office: +1-301-829-5327
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--_000_55E78A57290FB64FA0D3CF672F9F3DA2724041SJCPEX01CL03citri_-- --===============2918298911294063049== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============2918298911294063049==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 03:21:12 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 03:21:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCKRr-0006pZ-Cy; Wed, 30 Jul 2014 03:21:03 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCKRp-0006pJ-W9 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 03:21:02 +0000 Received: from [193.109.254.147:20251] by server-16.bemta-14.messagelabs.com id BE/72-14741-D9468D35; Wed, 30 Jul 2014 03:21:01 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1406690459!12549280!1 X-Originating-IP: [209.85.215.49] X-SpamReason: No, hits=2.5 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20163 invoked from network); 30 Jul 2014 03:21:00 -0000 Received: from mail-la0-f49.google.com (HELO mail-la0-f49.google.com) (209.85.215.49) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 30 Jul 2014 03:21:00 -0000 Received: by mail-la0-f49.google.com with SMTP id hz20so412817lab.22 for ; Tue, 29 Jul 2014 20:20:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=M40nNNPxFo/D1A/im50h5zjAeb3gbNRNBtVUKNxA9+o=; b=PQOKohJR050BmMrfvJSGEiVDQoWxO5OGh6JJsAEdmn1+kh4H8TjX0itMtepaunk0OT eNQdD7Nl20IAyOjsYHQSYEkCQM+Sw2xUrwG5GjFcGu1wbWNIXowaBchcO7wzciyZvBfX O+6pvNppgMV/VP9QzeMt93R8HmDlToEYWhdsgdlOUEuKS9zNGJs1uPQJZf/GczGb03og ImJlrzF+qMRF5+zsyO0mHbUXKjlTJfoAuD3cYFGnsioH6PgFrKfmsbPeDe50q2px4fX1 9rFfVGVpGhJnyvKe7YxtSiakqIGqd5dClFA7Tz6KE4pdpBK55lDX+Fa2fc+jkyrX6JFW slsA== MIME-Version: 1.0 X-Received: by 10.152.216.228 with SMTP id ot4mr1138165lac.40.1406690459520; Tue, 29 Jul 2014 20:20:59 -0700 (PDT) Received: by 10.112.22.39 with HTTP; Tue, 29 Jul 2014 20:20:59 -0700 (PDT) Date: Tue, 29 Jul 2014 23:20:59 -0400 X-Google-Sender-Auth: 4ekWGz4H78hRaKePXgkikAVOVk4 Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , mirageos-devel@lists.xenproject.org, xs-devel@lists.xenserver.org, xen-api@lists.xen.org, xen-devel@lists.xen.org Subject: [MirageOS-devel] Today is Xen Project Document Day! X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org As I mentioned last week, it would be great if we could include the incomplete bits needed for the Beginner's Guide, including at least one decent diagram and some of the missing information called out in the Architecture section: http://wiki.xenproject.org/wiki/Xen_Project_Beginners_Guide And given the release of Mirage V2, I'm sure we'll want a good overview document with links to the recent docs and blogs on the Mirage site. As usual, all the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days And here is the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO If you haven't requested to be made a Wiki editor, just fill out the form below: http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html And then join us on #xendocs to synchronize activities. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 03:21:12 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 03:21:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCKRr-0006pZ-Cy; Wed, 30 Jul 2014 03:21:03 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCKRp-0006pJ-W9 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 03:21:02 +0000 Received: from [193.109.254.147:20251] by server-16.bemta-14.messagelabs.com id BE/72-14741-D9468D35; Wed, 30 Jul 2014 03:21:01 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1406690459!12549280!1 X-Originating-IP: [209.85.215.49] X-SpamReason: No, hits=2.5 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20163 invoked from network); 30 Jul 2014 03:21:00 -0000 Received: from mail-la0-f49.google.com (HELO mail-la0-f49.google.com) (209.85.215.49) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 30 Jul 2014 03:21:00 -0000 Received: by mail-la0-f49.google.com with SMTP id hz20so412817lab.22 for ; Tue, 29 Jul 2014 20:20:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=M40nNNPxFo/D1A/im50h5zjAeb3gbNRNBtVUKNxA9+o=; b=PQOKohJR050BmMrfvJSGEiVDQoWxO5OGh6JJsAEdmn1+kh4H8TjX0itMtepaunk0OT eNQdD7Nl20IAyOjsYHQSYEkCQM+Sw2xUrwG5GjFcGu1wbWNIXowaBchcO7wzciyZvBfX O+6pvNppgMV/VP9QzeMt93R8HmDlToEYWhdsgdlOUEuKS9zNGJs1uPQJZf/GczGb03og ImJlrzF+qMRF5+zsyO0mHbUXKjlTJfoAuD3cYFGnsioH6PgFrKfmsbPeDe50q2px4fX1 9rFfVGVpGhJnyvKe7YxtSiakqIGqd5dClFA7Tz6KE4pdpBK55lDX+Fa2fc+jkyrX6JFW slsA== MIME-Version: 1.0 X-Received: by 10.152.216.228 with SMTP id ot4mr1138165lac.40.1406690459520; Tue, 29 Jul 2014 20:20:59 -0700 (PDT) Received: by 10.112.22.39 with HTTP; Tue, 29 Jul 2014 20:20:59 -0700 (PDT) Date: Tue, 29 Jul 2014 23:20:59 -0400 X-Google-Sender-Auth: 4ekWGz4H78hRaKePXgkikAVOVk4 Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , mirageos-devel@lists.xenproject.org, xs-devel@lists.xenserver.org, xen-api@lists.xen.org, xen-devel@lists.xen.org Subject: [MirageOS-devel] Today is Xen Project Document Day! X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org As I mentioned last week, it would be great if we could include the incomplete bits needed for the Beginner's Guide, including at least one decent diagram and some of the missing information called out in the Architecture section: http://wiki.xenproject.org/wiki/Xen_Project_Beginners_Guide And given the release of Mirage V2, I'm sure we'll want a good overview document with links to the recent docs and blogs on the Mirage site. As usual, all the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days And here is the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO If you haven't requested to be made a Wiki editor, just fill out the form below: http://xenproject.org/component/content/article/100-misc/145-request-to-be-made-a-wiki-editor.html And then join us on #xendocs to synchronize activities. _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:18:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:18:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCP5O-0003Rh-WC; Wed, 30 Jul 2014 08:18:10 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCP5N-0003Ra-CH for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:18:09 +0000 Received: from [193.109.254.147:14360] by server-10.bemta-14.messagelabs.com id 4E/23-06615-04AA8D35; Wed, 30 Jul 2014 08:18:08 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1406708285!12633696!1 X-Originating-IP: [209.85.214.177] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25785 invoked from network); 30 Jul 2014 08:18:06 -0000 Received: from mail-ob0-f177.google.com (HELO mail-ob0-f177.google.com) (209.85.214.177) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 30 Jul 2014 08:18:06 -0000 Received: by mail-ob0-f177.google.com with SMTP id wp18so294184obc.8 for ; Wed, 30 Jul 2014 01:18:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=edAPbTRIthD5v9g9UdsgSwpqwiksLI3gdIfpMocGSxo=; b=X88UYEitTzcjh92a7PaDsIO0Nk+t68ZQIhMv3FOHbNoSubFUL8Dk3TXdf8aWD419Eq vtMiqv9uXbJqIjvmW/oeBvrPdnfGtY++uQsQuX2Kp9bneD3AkuWEvKqR+f6QnjrzBWxt LVvRNG/87SClud/6oxm/JPIsVSV16IPiKsIsNsUy6q3JL6CqU76Yow5kl+AiPFD9k4EM F58JzEVp/6nC2iQZ9Q504oppo4ARsHdbKxxe432Zfwf0ilgjEEY+EBtrEHztR831bnKz L9AYiTAM4z2cZH1+RJJh0pGlUfb3yK4kJq+ETWfdwaNDAC6iLjmxhwbW+nBrnlAXabDG gt9g== MIME-Version: 1.0 X-Received: by 10.60.23.39 with SMTP id j7mr3384438oef.20.1406708284789; Wed, 30 Jul 2014 01:18:04 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 30 Jul 2014 01:18:04 -0700 (PDT) In-Reply-To: References: Date: Wed, 30 Jul 2014 09:18:04 +0100 Message-ID: From: Thomas Leonard To: David Scott Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 29 July 2014 14:04, David Scott wrote: > Hi, > > Very enjoyable post! Thanks :-) > On 29 Jul 2014 13:04, "Thomas Leonard" wrote: >> >> On 7 July 2014 10:08, Thomas Leonard wrote: >> > I'm writing a test Mirage service for queuing files. It's not using >> > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >> > >> >> I did some more tests and wrote the results up here: >> >> http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ >> >> In summary: >> >> 1. Adding a block cache helped a bit, but it was still too slow. > > I think a cache would be helpful for many applications. It's always a bit > painful to disable caching on linux-- O_DIRECT doesn't always work, and then > you have to align all your buffers. I like the uncached-by-default behaviour > of Mirage, but we should make it easier to turn caching back on. Perhaps Mirage's block_of_file could take an argument to say whether you want it cached. For testing, you often want caching on because it's faster, while you want it off when benchmarking. For a real system you might want it either way. >> 2. Dropping FAT and writing directly to the SD card helped a lot. > > I think we should concentrate on a block backend for Irmin and label FAT as > not part of the Mirage "core". FAT will always be useful for things like > making a bootable disk image containing a kernel but it'll never be a > drop-in replacement for a modern Linux filesystem :-) Are there any concrete plans for this yet? A block backend for Irmin would be ideal. >> 3. It's now fast enough for my use, but still slower than I was expecting. > > It's very easy to make a small change which hammers performance. I think > I'll concentrate on writing performance tests which can run from a CI when > I'm back. That would be very useful. It might also show up places where ARM is extra slow (e.g. x86 has optimised TCP checksumming, so perhaps we should do something similar on ARM). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:18:16 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:18:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCP5O-0003Rh-WC; Wed, 30 Jul 2014 08:18:10 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCP5N-0003Ra-CH for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:18:09 +0000 Received: from [193.109.254.147:14360] by server-10.bemta-14.messagelabs.com id 4E/23-06615-04AA8D35; Wed, 30 Jul 2014 08:18:08 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1406708285!12633696!1 X-Originating-IP: [209.85.214.177] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25785 invoked from network); 30 Jul 2014 08:18:06 -0000 Received: from mail-ob0-f177.google.com (HELO mail-ob0-f177.google.com) (209.85.214.177) by server-8.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 30 Jul 2014 08:18:06 -0000 Received: by mail-ob0-f177.google.com with SMTP id wp18so294184obc.8 for ; Wed, 30 Jul 2014 01:18:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=edAPbTRIthD5v9g9UdsgSwpqwiksLI3gdIfpMocGSxo=; b=X88UYEitTzcjh92a7PaDsIO0Nk+t68ZQIhMv3FOHbNoSubFUL8Dk3TXdf8aWD419Eq vtMiqv9uXbJqIjvmW/oeBvrPdnfGtY++uQsQuX2Kp9bneD3AkuWEvKqR+f6QnjrzBWxt LVvRNG/87SClud/6oxm/JPIsVSV16IPiKsIsNsUy6q3JL6CqU76Yow5kl+AiPFD9k4EM F58JzEVp/6nC2iQZ9Q504oppo4ARsHdbKxxe432Zfwf0ilgjEEY+EBtrEHztR831bnKz L9AYiTAM4z2cZH1+RJJh0pGlUfb3yK4kJq+ETWfdwaNDAC6iLjmxhwbW+nBrnlAXabDG gt9g== MIME-Version: 1.0 X-Received: by 10.60.23.39 with SMTP id j7mr3384438oef.20.1406708284789; Wed, 30 Jul 2014 01:18:04 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 30 Jul 2014 01:18:04 -0700 (PDT) In-Reply-To: References: Date: Wed, 30 Jul 2014 09:18:04 +0100 Message-ID: From: Thomas Leonard To: David Scott Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Mirage questions from writing a REST service X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 29 July 2014 14:04, David Scott wrote: > Hi, > > Very enjoyable post! Thanks :-) > On 29 Jul 2014 13:04, "Thomas Leonard" wrote: >> >> On 7 July 2014 10:08, Thomas Leonard wrote: >> > I'm writing a test Mirage service for queuing files. It's not using >> > ThomasG's merge-queues - I'm just trying the low-level FS stuff first. >> > >> >> I did some more tests and wrote the results up here: >> >> http://roscidus.com/blog/blog/2014/07/28/my-first-unikernel/ >> >> In summary: >> >> 1. Adding a block cache helped a bit, but it was still too slow. > > I think a cache would be helpful for many applications. It's always a bit > painful to disable caching on linux-- O_DIRECT doesn't always work, and then > you have to align all your buffers. I like the uncached-by-default behaviour > of Mirage, but we should make it easier to turn caching back on. Perhaps Mirage's block_of_file could take an argument to say whether you want it cached. For testing, you often want caching on because it's faster, while you want it off when benchmarking. For a real system you might want it either way. >> 2. Dropping FAT and writing directly to the SD card helped a lot. > > I think we should concentrate on a block backend for Irmin and label FAT as > not part of the Mirage "core". FAT will always be useful for things like > making a bootable disk image containing a kernel but it'll never be a > drop-in replacement for a modern Linux filesystem :-) Are there any concrete plans for this yet? A block backend for Irmin would be ideal. >> 3. It's now fast enough for my use, but still slower than I was expecting. > > It's very easy to make a small change which hammers performance. I think > I'll concentrate on writing performance tests which can run from a CI when > I'm back. That would be very useful. It might also show up places where ARM is extra slow (e.g. x86 has optimised TCP checksumming, so perhaps we should do something similar on ARM). -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:28:43 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:28:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPFa-0004GO-2X; Wed, 30 Jul 2014 08:28:42 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPFZ-0004GF-FQ for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:28:41 +0000 Received: from [85.158.137.68:10365] by server-1.bemta-3.messagelabs.com id 80/ED-30185-8BCA8D35; Wed, 30 Jul 2014 08:28:40 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406708918!10796831!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18199 invoked from network); 30 Jul 2014 08:28:38 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:28:38 -0000 Received: (qmail 16288 invoked by uid 634); 30 Jul 2014 08:28:37 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:28:36 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> Date: Wed, 30 Jul 2014 10:28:34 +0200 Message-Id: <033D0522-500E-4AAD-9888-9BD2666FCEFD@recoil.org> References: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> To: Russell Pavlicek X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Doc Day Tomorrow: Mirage V2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6936272029721262248==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6936272029721262248== Content-Type: multipart/alternative; boundary="Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48" --Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 I'd love to contribute to this, but a number of us are travelling today = (Mort and I are currently in Sweden about to deliver a tutorial in an = hour, Dave is on vacation). If anyone else is free, this is of course = open to anyone to contribute. Amir, could we get this on the agenda for the next Mirage call to have = an organized doc push for the next regular Xen docs day? =20 In general, we need to understand how to coordinate the Xen wiki and the = Mirage website, or else things get out of sync very fast indeed. It = can't be a straight copy-and-paste since the emphasis is slightly = different between the two. There's also the growing number of blog posts from the community about = unikernels, and one thing we could do on the doc day is to crib some of = the (excellent) content from there with the authors' permission and use = that as the basis for the content. -anil On 29 Jul 2014, at 20:28, Russell Pavlicek = wrote: > Greetings Miragites! >=20 > Document Day for Wiki.XenProject.org is tomorrow (Wednesday). >=20 > With the release of Mirage V2, it seems to me that some basic = documentation of Mirage V2 should find its way intoWiki.XenProject.org. = Certainly, there are some pages already assembled under the "Mirage" = category, but I think there is far more to be said. >=20 > After talking with Richard at OSCON, I am convinced that we need a = "Why Mirage?" type document on the Xen Project wiki -- a document which = explains why this concept of library OS/Cloud OS/unikernel should be of = interest to users. I've started a page called "Cloud Operating Systems" = which tries to address the concept at a very high level. It would be = good to see that tie in to a more detailed page -- although not in the = technical weeds -- which explains why Mirage itself is worth exploring. = What problems can it solve? Why should people looking at Linux = Containers look at Mirage? What current and future scenarios will it = facilitate? Basically, something similar to your "Overview of Mirage" = page on your website, complete with links to your docs, needs to be = presented on our wiki. >=20 > I know many pages of excellent docs are in place on your own website, = and those should stay where they are right now. But it would be = extremely useful to see some basic introductory information on the Xen = Project Wiki with links to the appropriate details on the Mirage docs. = Readers of the Xen Project Wiki should be enticed to learn more about = Mirage. Right now, we lack the interesting introductory material which = will draw them over to your site. >=20 > If anyone is willing to pitch in tomorrow to help create a page (or = pages) on Wiki.XenProject.org to lead folks to the Mirage docs and = blogs, that would be wonderful! >=20 > The usual Doc Day info can be found here: >=20 > http://wiki.xenproject.org/wiki/Xen_Project_Document_Days >=20 > Hope to see you tomorrow on #xendocs! >=20 > Russ Pavlicek > Xen Project Document Day Noisemaker > Home Office: +1-301-829-5327 > UK VoIP: +44 1223 852 894 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 I'd = love to contribute to this, but a number of us are travelling today = (Mort and I are currently in Sweden about to deliver a tutorial in an = hour, Dave is on vacation).  If anyone else is free, this is of = course open to anyone to contribute.

Amir, could we = get this on the agenda for the next Mirage call to have an organized doc = push for the next regular Xen docs day? =  

In general, we need to understand how to = coordinate the Xen wiki and the Mirage website, or else things get out = of sync very fast indeed.  It can't be a straight copy-and-paste = since the emphasis is slightly different between the = two.

There's also the growing number of blog = posts from the community about unikernels, and one thing we could do on = the doc day is to crib some of the (excellent) content from there with = the authors' permission and use that as the basis for the = content.

-anil

On 29 = Jul 2014, at 20:28, Russell Pavlicek <russell.pavlicek@citrix.com> wrote:

Greetings = Miragites!

Document Day for Wiki.XenProject.org is tomorrow = (Wednesday).

With the release of Mirage V2, it seems to me that = some basic documentation of Mirage V2 should find its way intoWiki.XenProject.org. Certainly, = there are some pages already assembled under the "Mirage" category, but = I think there is far more to be said.

After talking with Richard = at OSCON, I am convinced that we need a "Why Mirage?" type document on = the Xen Project wiki -- a document which explains why this concept of = library OS/Cloud OS/unikernel should be of interest to users.  I've = started a page called "Cloud Operating Systems" which tries to address = the concept at a very high level.  It would be good to see that tie = in to a more detailed page -- although not in the technical weeds -- = which explains why Mirage itself is worth exploring.  What problems = can it solve?  Why should people looking at Linux Containers look = at Mirage?  What current and future scenarios will it = facilitate?  Basically, something similar to your "Overview of = Mirage" page on your website, complete with links to your docs, needs to = be presented on our wiki.

I know many pages of excellent = docs are in place on your own website, and those should stay where they = are right now.  But it would be extremely useful to see some basic = introductory information on the Xen Project Wiki with links to the = appropriate details on the Mirage docs.  Readers of the Xen Project = Wiki should be enticed to learn more about Mirage.  Right now, we = lack the interesting introductory material which will draw them over to = your site.

If anyone is willing to pitch in tomorrow to help = create a page (or pages) on Wiki.XenProject.org to lead folks to the Mirage = docs and blogs, that would be wonderful!

The usual Doc Day info = can be found here:

http://wiki.xenproject.org/wiki/Xen_Project_Document_Day= s

Hope to see you tomorrow on #xendocs!

Russ = Pavlicek
Xen Project Document Day Noisemaker
Home Office: +1-301-829-5327
UK VoIP: = +44 1223 852 = 894
_________________________________= ______________
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=

= --Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48-- --===============6936272029721262248== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6936272029721262248==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:28:43 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:28:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPFa-0004GO-2X; Wed, 30 Jul 2014 08:28:42 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPFZ-0004GF-FQ for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:28:41 +0000 Received: from [85.158.137.68:10365] by server-1.bemta-3.messagelabs.com id 80/ED-30185-8BCA8D35; Wed, 30 Jul 2014 08:28:40 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406708918!10796831!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_23,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18199 invoked from network); 30 Jul 2014 08:28:38 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:28:38 -0000 Received: (qmail 16288 invoked by uid 634); 30 Jul 2014 08:28:37 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:28:36 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> Date: Wed, 30 Jul 2014 10:28:34 +0200 Message-Id: <033D0522-500E-4AAD-9888-9BD2666FCEFD@recoil.org> References: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> To: Russell Pavlicek X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Doc Day Tomorrow: Mirage V2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6936272029721262248==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6936272029721262248== Content-Type: multipart/alternative; boundary="Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48" --Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 I'd love to contribute to this, but a number of us are travelling today = (Mort and I are currently in Sweden about to deliver a tutorial in an = hour, Dave is on vacation). If anyone else is free, this is of course = open to anyone to contribute. Amir, could we get this on the agenda for the next Mirage call to have = an organized doc push for the next regular Xen docs day? =20 In general, we need to understand how to coordinate the Xen wiki and the = Mirage website, or else things get out of sync very fast indeed. It = can't be a straight copy-and-paste since the emphasis is slightly = different between the two. There's also the growing number of blog posts from the community about = unikernels, and one thing we could do on the doc day is to crib some of = the (excellent) content from there with the authors' permission and use = that as the basis for the content. -anil On 29 Jul 2014, at 20:28, Russell Pavlicek = wrote: > Greetings Miragites! >=20 > Document Day for Wiki.XenProject.org is tomorrow (Wednesday). >=20 > With the release of Mirage V2, it seems to me that some basic = documentation of Mirage V2 should find its way intoWiki.XenProject.org. = Certainly, there are some pages already assembled under the "Mirage" = category, but I think there is far more to be said. >=20 > After talking with Richard at OSCON, I am convinced that we need a = "Why Mirage?" type document on the Xen Project wiki -- a document which = explains why this concept of library OS/Cloud OS/unikernel should be of = interest to users. I've started a page called "Cloud Operating Systems" = which tries to address the concept at a very high level. It would be = good to see that tie in to a more detailed page -- although not in the = technical weeds -- which explains why Mirage itself is worth exploring. = What problems can it solve? Why should people looking at Linux = Containers look at Mirage? What current and future scenarios will it = facilitate? Basically, something similar to your "Overview of Mirage" = page on your website, complete with links to your docs, needs to be = presented on our wiki. >=20 > I know many pages of excellent docs are in place on your own website, = and those should stay where they are right now. But it would be = extremely useful to see some basic introductory information on the Xen = Project Wiki with links to the appropriate details on the Mirage docs. = Readers of the Xen Project Wiki should be enticed to learn more about = Mirage. Right now, we lack the interesting introductory material which = will draw them over to your site. >=20 > If anyone is willing to pitch in tomorrow to help create a page (or = pages) on Wiki.XenProject.org to lead folks to the Mirage docs and = blogs, that would be wonderful! >=20 > The usual Doc Day info can be found here: >=20 > http://wiki.xenproject.org/wiki/Xen_Project_Document_Days >=20 > Hope to see you tomorrow on #xendocs! >=20 > Russ Pavlicek > Xen Project Document Day Noisemaker > Home Office: +1-301-829-5327 > UK VoIP: +44 1223 852 894 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 I'd = love to contribute to this, but a number of us are travelling today = (Mort and I are currently in Sweden about to deliver a tutorial in an = hour, Dave is on vacation).  If anyone else is free, this is of = course open to anyone to contribute.

Amir, could we = get this on the agenda for the next Mirage call to have an organized doc = push for the next regular Xen docs day? =  

In general, we need to understand how to = coordinate the Xen wiki and the Mirage website, or else things get out = of sync very fast indeed.  It can't be a straight copy-and-paste = since the emphasis is slightly different between the = two.

There's also the growing number of blog = posts from the community about unikernels, and one thing we could do on = the doc day is to crib some of the (excellent) content from there with = the authors' permission and use that as the basis for the = content.

-anil

On 29 = Jul 2014, at 20:28, Russell Pavlicek <russell.pavlicek@citrix.com> wrote:

Greetings = Miragites!

Document Day for Wiki.XenProject.org is tomorrow = (Wednesday).

With the release of Mirage V2, it seems to me that = some basic documentation of Mirage V2 should find its way intoWiki.XenProject.org. Certainly, = there are some pages already assembled under the "Mirage" category, but = I think there is far more to be said.

After talking with Richard = at OSCON, I am convinced that we need a "Why Mirage?" type document on = the Xen Project wiki -- a document which explains why this concept of = library OS/Cloud OS/unikernel should be of interest to users.  I've = started a page called "Cloud Operating Systems" which tries to address = the concept at a very high level.  It would be good to see that tie = in to a more detailed page -- although not in the technical weeds -- = which explains why Mirage itself is worth exploring.  What problems = can it solve?  Why should people looking at Linux Containers look = at Mirage?  What current and future scenarios will it = facilitate?  Basically, something similar to your "Overview of = Mirage" page on your website, complete with links to your docs, needs to = be presented on our wiki.

I know many pages of excellent = docs are in place on your own website, and those should stay where they = are right now.  But it would be extremely useful to see some basic = introductory information on the Xen Project Wiki with links to the = appropriate details on the Mirage docs.  Readers of the Xen Project = Wiki should be enticed to learn more about Mirage.  Right now, we = lack the interesting introductory material which will draw them over to = your site.

If anyone is willing to pitch in tomorrow to help = create a page (or pages) on Wiki.XenProject.org to lead folks to the Mirage = docs and blogs, that would be wonderful!

The usual Doc Day info = can be found here:

http://wiki.xenproject.org/wiki/Xen_Project_Document_Day= s

Hope to see you tomorrow on #xendocs!

Russ = Pavlicek
Xen Project Document Day Noisemaker
Home Office: +1-301-829-5327
UK VoIP: = +44 1223 852 = 894
_________________________________= ______________
MirageOS-devel mailing list
MirageOS-devel@lists.x= enproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel=

= --Apple-Mail=_CF2312E8-044D-44E1-9A60-0C9489598C48-- --===============6936272029721262248== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============6936272029721262248==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:33:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:33:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPJr-0004Tu-1Q; Wed, 30 Jul 2014 08:33:07 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPJp-0004Tl-Rs for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:33:06 +0000 Received: from [85.158.137.68:39394] by server-11.bemta-3.messagelabs.com id 41/B2-04507-1CDA8D35; Wed, 30 Jul 2014 08:33:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406709183!10797986!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12773 invoked from network); 30 Jul 2014 08:33:03 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:33:03 -0000 Received: (qmail 6087 invoked by uid 634); 30 Jul 2014 08:33:03 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:33:00 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 30 Jul 2014 10:32:58 +0200 Message-Id: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> References: To: buzz heavyyear , Adam Wick X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. It would be very useful to have this libvirt guide on the Mirage website as well, if you'd like to contribute it there. Just checkout mirage/mirage-www and add a file in tmpl/wiki (and an entry in src/data.ml) and you should be good to go. We can iterate on the details later (I plan to try it next week when I'm back in Cambridge, but others can pipe up if they get a chance to experiment with libvirt). This is also useful for other unikernels like HalVM that also need a convenient way to be managed on a Xen host (Ccing Adam Wick who might be interested). -anil On 29 Jul 2014, at 12:27, buzz heavyyear wrote: > Hope this is useful to somebody. It ended up being a bit of a journey as the packaged version of the arm libvirt didn't include the xen driver. First part cribbed from Thomas's cubieboard build instructions. > > > > > http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 > http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 > > 1. Download and unpack the image for your board. > > 2. Copy to the SDcard, e.g. > dd if=cubie.img of=/dev/mmcblk0 > > 3. Boot the device. It should get an IP address by DHCP. > > The devices announce a .local name using mDNS, so you should be able to ssh to $BOARD.local > 4. ssh mirage@cubieboard2.local. > > > To change hostname of the cubieboard: > > 1. edit /etc/hosts > 127.0.1.1 newname > > 2. edit /etc/hostname > newname > > To change the cubieboard to get a static ip address: > > 1. edit /etc/network/interfaces and update with: > > // > auto lo > iface lo inet loopback > > auto eth0 > iface eth0 inet manual > up ip link set eth0 up > > auto br0 > iface br0 inet static > bridge_ports eth0 > address 192.168.1.11 > broadcast 192.168.1.255 > netmask 255.255.255.0 > gateway 192.168.1.254 > // > > reboot > > To set up ssh: > > 1. ssh mirage@192.168.1.11 (password: mirage) > > 2. ssh-keygen > > 3. logout (ctrl-d) > > 4. scp ~/.ssh/id_rsa.pub mirage@192.168.1.11:.ssh/authorized_keys > > 5. ssh mirage@192.168.1.11 > > 6. chmod 700 ~/.ssh > > 7. chmod 600 ~/.ssh/authorized_keys > > You should now have a working Xen host ("xl list" to list current VMs, "lvcreate" to create guest disks). > > To install the ARM version of mirage: > > 1. opam init > > 2. opam install mirage-xen-minios > > 3. opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs > > 4. opam pin mirage-xen https://github.com/mirage/mirage-platform > > 5. opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum > > 6. opam install mirage > > (You should now be able to follow the rest of the Mirage tutorial:) > > To install libvirt (the precompiled version doesn't contain the drivers for xen): > > 1. sudo apt-get install uuid-dev libxml2-dev libdevmapper-dev libpciaccess-dev libnl-dev libxen-dev libgnutls-dev > > 2. download a release tarball from libvirt.org (I used 1.2.6) (download to local machine, decompress, scp libvirt-1.2.6.tar mirage@cubieboard2: > > 3. ssh mirage@cubieboard2; tar xf libvirt-1.2.6.tar; rm libvirt-1.2.6.tar; cd libvirt-1.2.6 > > 3. ./configure --prefix=/usr --localstatedir=/var --sysconfdir=/etc --with-xen --with-qemu=no --with-gnutls --with-uml=no --with-openvz=no --with-vmware=no --with-phyp=no --with-xenapi=no --with-libxl=yes --with-vbox=no --with-lxc=no --with-esx=no --with-hyperv=no --with-parallels=no --with-init-script=upstart > > 4. make > > 5. sudo make install > > 6. Add the two scripts (below, if they don't already exist) to /etc/init.d/libvirt-bin and /etc/default/libvirt-bin > > 6. Ensure that /etc/default/libvirt-bin has '-l' to libvirtd_opts > > 7. Follow the instructions in http://wiki.libvirt.org/page/TLSSetup in install tls on the cubieboards and admin machine > > 8. cd /etc/rc5.d > sudo ln -s ../init.d/libvirt-bin S22libvirt-bin > > 9. cd /etc/rc6.d > sudo ln -s ../init.d/libvirt-bin K19libvirt-bin > sudo update-rc.d libvirt-bin defaults > sudo service libvirt-bin start > > 10. Reboot the board > > 11. From the admin machine, edit /etc/hosts and add the cubieboardd addresses and names so that (a) the names are resolvable and (b) matches the name on the certificates > > ie. > 192.168.1.10 cubieboard2 > > Test that the admin machine can talk to the cubieboard: > > 1. sudo virsh -c xen://cubieboard2/system hostname > > ..... and you should get 'cubieboard2' returned, if not, ssh to the cubieboard and check/restart the daemon (sudo service libvirt-bin start) > > > To set up the admin machine to ensure another user (instead of root) can run virsh commands: > > On the admin machine > > 1. Add the user to the libvirt group (on older releases of libvirt, this group is sometimes 'libvirtd') > > 2. Ensure that the clientcert.pem and clientkey.pem in /etc/pki/libvirt belong to the libvirt group, ie: > sudo chgrp libvirt /etc/pki/libvirt/clientcert.pem > sudo chmod 440 /etc/pki/libvirt/clientcert.pem > sudo chgrp libvirt /etc/pki/libvirt/private/clientkey.pem > sudo chmod 440 /etc/pki/libvirt/private/clientkey.pem > > 3. Edit /etc/libvirt/libvirtd.conf and ensure unix_sock_group, unix_sock_ro_perms, unix_sock_rw_perms are uncommented, allowing users in the libvirt(d) group to use tls, ie > unix_sock_group = "libvirt" > unix_sock_ro_perms = "0777" > unix_sock_rw_perms = "0770" > > On the cubieboard > > 4. ssh into the cubieboard and create a user which matches the 'admin' user ( - 'nick' in my case), > sudo adduser 'username' > > 5. create a 'libvirt' group if one doesn't already exist > sudo addgroup libvirt > > 6. add the admin user to the libvirt group > sudo adduser 'username' libvirt > > 7. reboot > > > The cubieboard should now be accessible remotely from a non-root account. > > Clone the mirage example mirage-skeleton/xen/static_website+ip > > Compile the example (this currently needs to be built on a cubieboard), and then edit www.xl. Change the ipaddress, gateway etc. to suit, and then run the virsh 'domxml-from-native' translator to get the xml file required for deployment > > virsh -c xen:/// domxml-from-native xen-xm www.xl > www.xml > > virsh -c xen://cubie0/system create www.xml > > --------------------------------------------------------------- > > /etc/default/libvirt-bin > ------------------------ > > # Defaults for libvirt-bin initscript (/etc/init.d/libvirt-bin) > # This is a POSIX shell fragment > > # Start libvirtd to handle qemu/kvm: > start_libvirtd="yes" > > # options passed to libvirtd, add "-l" to listen on tcp > libvirtd_opts="-d -l" > > # pass in location of kerberos keytab > #export KRB5_KTNAME=/etc/libvirt/libvirt.keytab > > > > ---------------------------------------------------------------- > > > > /etc/init.d/libvirt-bin > ----------------------- > > #! /bin/sh > # > # Init script for libvirtd > # > # (c) 2007 Guido Guenther > # based on the skeletons that comes with dh_make > # > ### BEGIN INIT INFO > # Provides: libvirt-bin libvirtd > # Required-Start: $network $local_fs $remote_fs $syslog > # Required-Stop: $local_fs $remote_fs $syslog > # Should-Start: hal avahi cgconfig > # Should-Stop: hal avahi cgconfig > # Default-Start: 2 3 4 5 > # Default-Stop: 0 1 6 > # Short-Description: libvirt management daemon > ### END INIT INFO > > PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin > DAEMON=/usr/sbin/libvirtd > NAME=libvirtd > DESC="libvirt management daemon" > export PATH > > test -x $DAEMON || exit 0 > . /lib/lsb/init-functions > > PIDFILE=/var/run/$NAME.pid > DODTIME=1 # Time to wait for the server to die, in seconds > > # Include libvirtd defaults if available > if [ -f /etc/default/libvirt-bin ] ; then > . /etc/default/libvirt-bin > fi > > check_start_libvirtd_option() { > if [ ! "$start_libvirtd" = "yes" ]; then > log_warning_msg "Not starting libvirt management daemon libvirtd, disabled via /etc/default/libvirt-bin" > return 1 > else > return 0 > fi > } > > running_pid() > { > # Check if a given process pid's cmdline matches a given name > pid=$1 > name=$2 > [ -z "$pid" ] && return 1 > [ ! -d /proc/$pid ] && return 1 > cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1` > # Is this the expected child? > [ "$cmd" != "$name" ] && return 1 > return 0 > } > > running() > { > # Check if the process is running looking at /proc > # (works for all users) > # No pidfile, probably no daemon present > [ ! -f "$PIDFILE" ] && return 1 > # Obtain the pid and check it against the binary name > pid=`cat $PIDFILE` > running_pid $pid $DAEMON || return 1 > return 0 > } > > force_stop() { > # Forcefully kill the process > [ ! -f "$PIDFILE" ] && return > if running ; then > kill -15 $pid > # Is it really dead? > [ -n "$DODTIME" ] && sleep "$DODTIME"s > if running ; then > kill -9 $pid > [ -n "$DODTIME" ] && sleep "$DODTIME"s > if running ; then > echo "Cannot kill $LABEL (pid=$pid)!" > exit 1 > fi > fi > fi > rm -f $PIDFILE > return 0 > } > > case "$1" in > start) > if check_start_libvirtd_option; then > log_daemon_msg "Starting $DESC" "$NAME" > if running ; then > log_progress_msg "already running" > log_end_msg 0 > exit 0 > fi > rm -f /var/run/libvirtd.pid > start-stop-daemon --start --quiet --pidfile $PIDFILE \ > --exec $DAEMON -- $libvirtd_opts > if running; then > log_end_msg 0 > else > log_end_msg 1 > fi > fi > ;; > stop) > log_daemon_msg "Stopping $DESC" "$NAME" > if ! running ; then > log_progress_msg "not running" > log_end_msg 0 > exit 0 > fi > start-stop-daemon --stop --quiet --pidfile $PIDFILE \ > --exec $DAEMON > log_end_msg 0 > ;; > force-stop) > log_daemon_msg "Forcefully stopping $DESC" "$NAME" > force_stop > if ! running; then > log_end_msg 0 > else > log_end_msg 1 > fi > ;; > restart) > if check_start_libvirtd_option; then > log_daemon_msg "Restarting $DESC" "$DAEMON" > start-stop-daemon --oknodo --stop --quiet --pidfile \ > /var/run/$NAME.pid --exec $DAEMON > [ -n "$DODTIME" ] && sleep $DODTIME > start-stop-daemon --start --quiet --pidfile \ > /var/run/$NAME.pid --exec $DAEMON -- $libvirtd_opts > if running; then > log_end_msg 0 > else > log_end_msg 1 > fi > fi > ;; > reload|force-reload) > if running; then > log_daemon_msg "Reloading configuration of $DESC" "$NAME" > start-stop-daemon --stop --signal 1 --quiet --pidfile \ > /var/run/$NAME.pid --exec $DAEMON > log_end_msg 0 > else > log_warning_msg "libvirtd not running, doing nothing." > fi > ;; > status) > log_daemon_msg "Checking status of $DESC" "$NAME" > if running ; then > log_progress_msg "running" > log_end_msg 0 > else > log_progress_msg "not running" > log_end_msg 1 > if [ -f "$PIDFILE" ] ; then > exit 1 > else > exit 3 > fi > fi > ;; > *) > N=/etc/init.d/libvirt-bin > echo "Usage: $N {start|stop|restart|reload|force-reload|status|force-stop}" >&2 > exit 1 > ;; > esac > > exit 0 > > ---------------------------------------------------------------- > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:33:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:33:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPJr-0004Tu-1Q; Wed, 30 Jul 2014 08:33:07 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPJp-0004Tl-Rs for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:33:06 +0000 Received: from [85.158.137.68:39394] by server-11.bemta-3.messagelabs.com id 41/B2-04507-1CDA8D35; Wed, 30 Jul 2014 08:33:05 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-11.tower-31.messagelabs.com!1406709183!10797986!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12773 invoked from network); 30 Jul 2014 08:33:03 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-11.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:33:03 -0000 Received: (qmail 6087 invoked by uid 634); 30 Jul 2014 08:33:03 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:33:00 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 30 Jul 2014 10:32:58 +0200 Message-Id: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> References: To: buzz heavyyear , Adam Wick X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. It would be very useful to have this libvirt guide on the Mirage website as well, if you'd like to contribute it there. Just checkout mirage/mirage-www and add a file in tmpl/wiki (and an entry in src/data.ml) and you should be good to go. We can iterate on the details later (I plan to try it next week when I'm back in Cambridge, but others can pipe up if they get a chance to experiment with libvirt). This is also useful for other unikernels like HalVM that also need a convenient way to be managed on a Xen host (Ccing Adam Wick who might be interested). -anil On 29 Jul 2014, at 12:27, buzz heavyyear wrote: > Hope this is useful to somebody. It ended up being a bit of a journey as the packaged version of the arm libvirt didn't include the xen driver. First part cribbed from Thomas's cubieboard build instructions. > > > > > http://blobs.openmirage.org/cubieboard2-xen-iso.tar.bz2 > http://blobs.openmirage.org/cubietruck-xen-iso.tar.bz2 > > 1. Download and unpack the image for your board. > > 2. Copy to the SDcard, e.g. > dd if=cubie.img of=/dev/mmcblk0 > > 3. Boot the device. It should get an IP address by DHCP. > > The devices announce a .local name using mDNS, so you should be able to ssh to $BOARD.local > 4. ssh mirage@cubieboard2.local. > > > To change hostname of the cubieboard: > > 1. edit /etc/hosts > 127.0.1.1 newname > > 2. edit /etc/hostname > newname > > To change the cubieboard to get a static ip address: > > 1. edit /etc/network/interfaces and update with: > > // > auto lo > iface lo inet loopback > > auto eth0 > iface eth0 inet manual > up ip link set eth0 up > > auto br0 > iface br0 inet static > bridge_ports eth0 > address 192.168.1.11 > broadcast 192.168.1.255 > netmask 255.255.255.0 > gateway 192.168.1.254 > // > > reboot > > To set up ssh: > > 1. ssh mirage@192.168.1.11 (password: mirage) > > 2. ssh-keygen > > 3. logout (ctrl-d) > > 4. scp ~/.ssh/id_rsa.pub mirage@192.168.1.11:.ssh/authorized_keys > > 5. ssh mirage@192.168.1.11 > > 6. chmod 700 ~/.ssh > > 7. chmod 600 ~/.ssh/authorized_keys > > You should now have a working Xen host ("xl list" to list current VMs, "lvcreate" to create guest disks). > > To install the ARM version of mirage: > > 1. opam init > > 2. opam install mirage-xen-minios > > 3. opam pin mirage https://github.com/talex5/mirage.git#link_c_stubs > > 4. opam pin mirage-xen https://github.com/mirage/mirage-platform > > 5. opam pin tcpip https://github.com/talex5/mirage-tcpip.git#checksum > > 6. opam install mirage > > (You should now be able to follow the rest of the Mirage tutorial:) > > To install libvirt (the precompiled version doesn't contain the drivers for xen): > > 1. sudo apt-get install uuid-dev libxml2-dev libdevmapper-dev libpciaccess-dev libnl-dev libxen-dev libgnutls-dev > > 2. download a release tarball from libvirt.org (I used 1.2.6) (download to local machine, decompress, scp libvirt-1.2.6.tar mirage@cubieboard2: > > 3. ssh mirage@cubieboard2; tar xf libvirt-1.2.6.tar; rm libvirt-1.2.6.tar; cd libvirt-1.2.6 > > 3. ./configure --prefix=/usr --localstatedir=/var --sysconfdir=/etc --with-xen --with-qemu=no --with-gnutls --with-uml=no --with-openvz=no --with-vmware=no --with-phyp=no --with-xenapi=no --with-libxl=yes --with-vbox=no --with-lxc=no --with-esx=no --with-hyperv=no --with-parallels=no --with-init-script=upstart > > 4. make > > 5. sudo make install > > 6. Add the two scripts (below, if they don't already exist) to /etc/init.d/libvirt-bin and /etc/default/libvirt-bin > > 6. Ensure that /etc/default/libvirt-bin has '-l' to libvirtd_opts > > 7. Follow the instructions in http://wiki.libvirt.org/page/TLSSetup in install tls on the cubieboards and admin machine > > 8. cd /etc/rc5.d > sudo ln -s ../init.d/libvirt-bin S22libvirt-bin > > 9. cd /etc/rc6.d > sudo ln -s ../init.d/libvirt-bin K19libvirt-bin > sudo update-rc.d libvirt-bin defaults > sudo service libvirt-bin start > > 10. Reboot the board > > 11. From the admin machine, edit /etc/hosts and add the cubieboardd addresses and names so that (a) the names are resolvable and (b) matches the name on the certificates > > ie. > 192.168.1.10 cubieboard2 > > Test that the admin machine can talk to the cubieboard: > > 1. sudo virsh -c xen://cubieboard2/system hostname > > ..... and you should get 'cubieboard2' returned, if not, ssh to the cubieboard and check/restart the daemon (sudo service libvirt-bin start) > > > To set up the admin machine to ensure another user (instead of root) can run virsh commands: > > On the admin machine > > 1. Add the user to the libvirt group (on older releases of libvirt, this group is sometimes 'libvirtd') > > 2. Ensure that the clientcert.pem and clientkey.pem in /etc/pki/libvirt belong to the libvirt group, ie: > sudo chgrp libvirt /etc/pki/libvirt/clientcert.pem > sudo chmod 440 /etc/pki/libvirt/clientcert.pem > sudo chgrp libvirt /etc/pki/libvirt/private/clientkey.pem > sudo chmod 440 /etc/pki/libvirt/private/clientkey.pem > > 3. Edit /etc/libvirt/libvirtd.conf and ensure unix_sock_group, unix_sock_ro_perms, unix_sock_rw_perms are uncommented, allowing users in the libvirt(d) group to use tls, ie > unix_sock_group = "libvirt" > unix_sock_ro_perms = "0777" > unix_sock_rw_perms = "0770" > > On the cubieboard > > 4. ssh into the cubieboard and create a user which matches the 'admin' user ( - 'nick' in my case), > sudo adduser 'username' > > 5. create a 'libvirt' group if one doesn't already exist > sudo addgroup libvirt > > 6. add the admin user to the libvirt group > sudo adduser 'username' libvirt > > 7. reboot > > > The cubieboard should now be accessible remotely from a non-root account. > > Clone the mirage example mirage-skeleton/xen/static_website+ip > > Compile the example (this currently needs to be built on a cubieboard), and then edit www.xl. Change the ipaddress, gateway etc. to suit, and then run the virsh 'domxml-from-native' translator to get the xml file required for deployment > > virsh -c xen:/// domxml-from-native xen-xm www.xl > www.xml > > virsh -c xen://cubie0/system create www.xml > > --------------------------------------------------------------- > > /etc/default/libvirt-bin > ------------------------ > > # Defaults for libvirt-bin initscript (/etc/init.d/libvirt-bin) > # This is a POSIX shell fragment > > # Start libvirtd to handle qemu/kvm: > start_libvirtd="yes" > > # options passed to libvirtd, add "-l" to listen on tcp > libvirtd_opts="-d -l" > > # pass in location of kerberos keytab > #export KRB5_KTNAME=/etc/libvirt/libvirt.keytab > > > > ---------------------------------------------------------------- > > > > /etc/init.d/libvirt-bin > ----------------------- > > #! /bin/sh > # > # Init script for libvirtd > # > # (c) 2007 Guido Guenther > # based on the skeletons that comes with dh_make > # > ### BEGIN INIT INFO > # Provides: libvirt-bin libvirtd > # Required-Start: $network $local_fs $remote_fs $syslog > # Required-Stop: $local_fs $remote_fs $syslog > # Should-Start: hal avahi cgconfig > # Should-Stop: hal avahi cgconfig > # Default-Start: 2 3 4 5 > # Default-Stop: 0 1 6 > # Short-Description: libvirt management daemon > ### END INIT INFO > > PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin > DAEMON=/usr/sbin/libvirtd > NAME=libvirtd > DESC="libvirt management daemon" > export PATH > > test -x $DAEMON || exit 0 > . /lib/lsb/init-functions > > PIDFILE=/var/run/$NAME.pid > DODTIME=1 # Time to wait for the server to die, in seconds > > # Include libvirtd defaults if available > if [ -f /etc/default/libvirt-bin ] ; then > . /etc/default/libvirt-bin > fi > > check_start_libvirtd_option() { > if [ ! "$start_libvirtd" = "yes" ]; then > log_warning_msg "Not starting libvirt management daemon libvirtd, disabled via /etc/default/libvirt-bin" > return 1 > else > return 0 > fi > } > > running_pid() > { > # Check if a given process pid's cmdline matches a given name > pid=$1 > name=$2 > [ -z "$pid" ] && return 1 > [ ! -d /proc/$pid ] && return 1 > cmd=`cat /proc/$pid/cmdline | tr "\000" "\n"|head -n 1 |cut -d : -f 1` > # Is this the expected child? > [ "$cmd" != "$name" ] && return 1 > return 0 > } > > running() > { > # Check if the process is running looking at /proc > # (works for all users) > # No pidfile, probably no daemon present > [ ! -f "$PIDFILE" ] && return 1 > # Obtain the pid and check it against the binary name > pid=`cat $PIDFILE` > running_pid $pid $DAEMON || return 1 > return 0 > } > > force_stop() { > # Forcefully kill the process > [ ! -f "$PIDFILE" ] && return > if running ; then > kill -15 $pid > # Is it really dead? > [ -n "$DODTIME" ] && sleep "$DODTIME"s > if running ; then > kill -9 $pid > [ -n "$DODTIME" ] && sleep "$DODTIME"s > if running ; then > echo "Cannot kill $LABEL (pid=$pid)!" > exit 1 > fi > fi > fi > rm -f $PIDFILE > return 0 > } > > case "$1" in > start) > if check_start_libvirtd_option; then > log_daemon_msg "Starting $DESC" "$NAME" > if running ; then > log_progress_msg "already running" > log_end_msg 0 > exit 0 > fi > rm -f /var/run/libvirtd.pid > start-stop-daemon --start --quiet --pidfile $PIDFILE \ > --exec $DAEMON -- $libvirtd_opts > if running; then > log_end_msg 0 > else > log_end_msg 1 > fi > fi > ;; > stop) > log_daemon_msg "Stopping $DESC" "$NAME" > if ! running ; then > log_progress_msg "not running" > log_end_msg 0 > exit 0 > fi > start-stop-daemon --stop --quiet --pidfile $PIDFILE \ > --exec $DAEMON > log_end_msg 0 > ;; > force-stop) > log_daemon_msg "Forcefully stopping $DESC" "$NAME" > force_stop > if ! running; then > log_end_msg 0 > else > log_end_msg 1 > fi > ;; > restart) > if check_start_libvirtd_option; then > log_daemon_msg "Restarting $DESC" "$DAEMON" > start-stop-daemon --oknodo --stop --quiet --pidfile \ > /var/run/$NAME.pid --exec $DAEMON > [ -n "$DODTIME" ] && sleep $DODTIME > start-stop-daemon --start --quiet --pidfile \ > /var/run/$NAME.pid --exec $DAEMON -- $libvirtd_opts > if running; then > log_end_msg 0 > else > log_end_msg 1 > fi > fi > ;; > reload|force-reload) > if running; then > log_daemon_msg "Reloading configuration of $DESC" "$NAME" > start-stop-daemon --stop --signal 1 --quiet --pidfile \ > /var/run/$NAME.pid --exec $DAEMON > log_end_msg 0 > else > log_warning_msg "libvirtd not running, doing nothing." > fi > ;; > status) > log_daemon_msg "Checking status of $DESC" "$NAME" > if running ; then > log_progress_msg "running" > log_end_msg 0 > else > log_progress_msg "not running" > log_end_msg 1 > if [ -f "$PIDFILE" ] ; then > exit 1 > else > exit 3 > fi > fi > ;; > *) > N=/etc/init.d/libvirt-bin > echo "Usage: $N {start|stop|restart|reload|force-reload|status|force-stop}" >&2 > exit 1 > ;; > esac > > exit 0 > > ---------------------------------------------------------------- > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:35:24 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:35:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPM4-0004Xz-98; Wed, 30 Jul 2014 08:35:24 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPM2-0004Xu-G0 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:35:22 +0000 Received: from [85.158.137.68:49981] by server-6.bemta-3.messagelabs.com id 18/61-29521-94EA8D35; Wed, 30 Jul 2014 08:35:21 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1406709320!10778266!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_23, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11005 invoked from network); 30 Jul 2014 08:35:20 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:35:20 -0000 Received: (qmail 24829 invoked by uid 634); 30 Jul 2014 08:35:17 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:35:13 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 30 Jul 2014 10:35:11 +0200 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I believe this should be fixed by pinning cohttp and mirage-http to HEAD, as there was a minor dependency issue that caused the extra Unix libraries to be pulled in the OS-independent Lwt version. opam pin cohttp git://github.com/mirage/ocaml-cohttp opam pin mirage-http git://github.com/mirage/mirage-http We need far too many pins on ARM at the moment and should cut some releases. Thomas: is the checksum tree in an ok state to send a pull req for? I'm going to sort out cohttp at a high priority when I'm done with today's tutorial. -anil On 29 Jul 2014, at 12:03, Thomas Leonard wrote: > On 29 July 2014 10:59, buzz heavyyear wrote: >> Still having problems with this. I'm building static_website+ip via ssh on >> the cubieboard and the build complains of not having libssl, libpthread and >> libssl, even though the libraries are installed (checked via apt-find and >> apt-get). >> >> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure >> --xen >> Mirage Using scanned config file: config.ml >> Mirage Processing: >> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >> Mirage => rm -rf >> /home/mirage/mirage-skeleton/xen/static_website+ip/_build/config.* >> Mirage => cd /home/mirage/mirage-skeleton/xen/static_website+ip && >> ocamlbuild -use-ocamlfind -tags annot,bin_annot -pkg mirage config.cmxs >> www Using configuration: >> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >> www 1 job [Dispatch.Main] >> www Installing OPAM packages. >> www => opam install --yes crunch cstruct io-page lwt >> mirage-console-xen mirage-http mirage-net-xen mirage-types mirage-xen re >> [NOTE] Package re is already installed (current version is 1.2.2). >> [NOTE] Package mirage-xen is already installed (current version is pinned). >> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >> [NOTE] Package mirage-net-xen is already installed (current version is >> 1.1.2). >> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >> [NOTE] Package mirage-console-xen is already installed (current version is >> 1.0.2). >> [NOTE] Package lwt is already installed (current version is 2.4.5). >> [NOTE] Package io-page is already installed (current version is 1.1.1). >> [NOTE] Package cstruct is already installed (current version is 1.3.1). >> [NOTE] Package crunch is already installed (current version is 1.3.0). >> www => ocamlfind query -r -separator ' ' -format %d/%a -predicates >> native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http >> mirage-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif >> tcpip.tcpv4 tcpip.udpv4 >> www => ocamlobjinfo /usr/lib/ocaml/unix.cmxa >> /usr/lib/ocaml/bigarray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa >> /home/mirage/.opam/system/lib/ocplib-endian/ocplib_endian.cmxa >> /home/mirage/.opam/system/lib/ocplib-endian/bigstring.cmxa >> /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa >> /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa >> /home/mirage/.opam/system/lib/io-page/io_page.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt.cmxa >> /home/mirage/.opam/system/lib/xenstore/xenstore.cmxa >> /home/mirage/.opam/system/lib/xenstore/xenstore_client_lwt.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/shared_memory_ring.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/console_ring.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_ring.cmxa >> /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa >> /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa >> /home/mirage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa >> /home/mirage/.opam/system/lib/mirage-xen/oS.cmxa >> /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa >> /home/mirage/.opam/system/lib/re/re.cmxa >> /home/mirage/.opam/system/lib/re/re_posix.cmxa >> /home/mirage/.opam/system/lib/stringext/stringext.cmxa >> /home/mirage/.opam/system/lib/uri/uri.cmxa >> /home/mirage/.opam/system/lib/re/re_emacs.cmxa >> /home/mirage/.opam/system/lib/uri/services.cmxa >> /home/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa >> /home/mirage/.opam/system/lib/cohttp/cohttp.cmxa >> /home/mirage/.opam/system/lib/conduit/conduit.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt-unix.cmxa >> /home/mirage/.opam/system/lib/ssl/ssl.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt-ssl.cmxa >> /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa >> /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa >> /home/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa >> /home/mirage/.opam/system/lib/tcpip/channel.cmxa >> /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa >> /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa >> /home/mirage/.opam/system/lib/re/re_str.cmxa >> /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa >> /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa >> /home/mirage/.opam/system/lib/tcpip/dhcpv4.cmxa >> /home/mirage/.opam/system/lib/tcpip/ethif.cmxa >> /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa >> /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa >> >> www => ocamlfind printconf path >> www Generating: main.ml >> www Generating: >> /home/mirage/mirage-skeleton/xen/static_website+ip/static1.ml >> www => ocaml-crunch -o static1.ml >> /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs >> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend >> opam install crunch cstruct io-page lwt mirage-console-xen mirage-http >> mirage-net-xen mirage-types mirage-xen re --verbose >> [NOTE] Package re is already installed (current version is 1.2.2). >> [NOTE] Package mirage-xen is already installed (current version is pinned). >> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >> [NOTE] Package mirage-net-xen is already installed (current version is >> 1.1.2). >> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >> [NOTE] Package mirage-console-xen is already installed (current version is >> 1.0.2). >> [NOTE] Package lwt is already installed (current version is 2.4.5). >> [NOTE] Package io-page is already installed (current version is 1.1.1). >> [NOTE] Package cstruct is already installed (current version is 1.3.1). >> [NOTE] Package crunch is already installed (current version is 1.3.0). >> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make >> ocamlbuild -classic-display -use-ocamlfind -pkgs >> lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-xen,mirage-types,mirage-types.lwt,re.str,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpip.udpv4 >> -tags "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g >> -lflags -g,-linkpkg,-dontlink,unix main.native.o >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules main.ml > main.ml.depends >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules static1.mli > static1.mli.depends >> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmo dispatch.ml >> + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmo dispatch.ml >> File "dispatch.ml", line 89, characters 8-16: >> Warning 26: unused variable callback. >> File "dispatch.ml", line 94, characters 8-19: >> Warning 26: unused variable conn_closed. >> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o static1.cmi static1.mli >> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o main.cmo main.ml >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules static1.ml > static1.ml.depends >> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmx dispatch.ml >> + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmx dispatch.ml >> File "dispatch.ml", line 89, characters 8-16: >> Warning 26: unused variable callback. >> File "dispatch.ml", line 94, characters 8-19: >> Warning 26: unused variable conn_closed. >> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o static1.cmx static1.ml >> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o main.cmx main.ml >> ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package >> tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 >> -package re.str -package mirage-types.lwt -package mirage-types -package >> mirage-net-xen -package mirage-http -package mirage-console-xen -package lwt >> -package io-page -package cstruct -package lwt.syntax -syntax camlp4o >> dispatch.cmx static1.cmx main.cmx -o main.native.o >> pkg-config --print-errors --exists openlibm 'libminios-xen >= 0.2' >> ld -d -static -nostdlib --start-group \ >> $(pkg-config --static --libs openlibm 'libminios-xen >= 0.2') \ >> _build/main.native.o >> /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \ >> /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ >> -L/usr/lib/ocaml \ >> -lbigarray \ >> -L/home/mirage/.opam/system/lib/cstruct \ >> -lcstruct_stubs \ >> -L/home/mirage/.opam/system/lib/shared-memory-ring \ >> -lshared_memory_ring_stubs \ >> -L/home/mirage/.opam/system/lib/lwt \ >> -llwt-unix_stubs \ >> -lpthread \ >> -L/home/mirage/.opam/system/lib/ssl \ >> -lssl_stubs \ >> -lcrypto \ >> -lssl \ >> -L/home/mirage/.opam/system/lib/tcpip \ >> -ltcpip_stubs \ >> /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ >> -o mir-www.elf >> ld: cannot find -lpthread >> ld: cannot find -lcrypto >> ld: cannot find -lssl >> make: *** [build] Error 1 > > You can just remove these manually from the Makefile for now. > > The other problem you may hit is running out of stack space on the > larger examples. The Git version of Mini-OS extends the old 16 KB > stack by 1MB, or you can use the work-around here: > > https://github.com/mirage/mirage/issues/274 > > > -- > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:35:24 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:35:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPM4-0004Xz-98; Wed, 30 Jul 2014 08:35:24 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPM2-0004Xu-G0 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:35:22 +0000 Received: from [85.158.137.68:49981] by server-6.bemta-3.messagelabs.com id 18/61-29521-94EA8D35; Wed, 30 Jul 2014 08:35:21 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-31.messagelabs.com!1406709320!10778266!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.0 required=7.0 tests=ML_RADAR_SPEW_LINKS_23, spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11005 invoked from network); 30 Jul 2014 08:35:20 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-2.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:35:20 -0000 Received: (qmail 24829 invoked by uid 634); 30 Jul 2014 08:35:17 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:35:13 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 30 Jul 2014 10:35:11 +0200 Message-Id: References: To: Thomas Leonard X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I believe this should be fixed by pinning cohttp and mirage-http to HEAD, as there was a minor dependency issue that caused the extra Unix libraries to be pulled in the OS-independent Lwt version. opam pin cohttp git://github.com/mirage/ocaml-cohttp opam pin mirage-http git://github.com/mirage/mirage-http We need far too many pins on ARM at the moment and should cut some releases. Thomas: is the checksum tree in an ok state to send a pull req for? I'm going to sort out cohttp at a high priority when I'm done with today's tutorial. -anil On 29 Jul 2014, at 12:03, Thomas Leonard wrote: > On 29 July 2014 10:59, buzz heavyyear wrote: >> Still having problems with this. I'm building static_website+ip via ssh on >> the cubieboard and the build complains of not having libssl, libpthread and >> libssl, even though the libraries are installed (checked via apt-find and >> apt-get). >> >> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure >> --xen >> Mirage Using scanned config file: config.ml >> Mirage Processing: >> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >> Mirage => rm -rf >> /home/mirage/mirage-skeleton/xen/static_website+ip/_build/config.* >> Mirage => cd /home/mirage/mirage-skeleton/xen/static_website+ip && >> ocamlbuild -use-ocamlfind -tags annot,bin_annot -pkg mirage config.cmxs >> www Using configuration: >> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >> www 1 job [Dispatch.Main] >> www Installing OPAM packages. >> www => opam install --yes crunch cstruct io-page lwt >> mirage-console-xen mirage-http mirage-net-xen mirage-types mirage-xen re >> [NOTE] Package re is already installed (current version is 1.2.2). >> [NOTE] Package mirage-xen is already installed (current version is pinned). >> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >> [NOTE] Package mirage-net-xen is already installed (current version is >> 1.1.2). >> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >> [NOTE] Package mirage-console-xen is already installed (current version is >> 1.0.2). >> [NOTE] Package lwt is already installed (current version is 2.4.5). >> [NOTE] Package io-page is already installed (current version is 1.1.1). >> [NOTE] Package cstruct is already installed (current version is 1.3.1). >> [NOTE] Package crunch is already installed (current version is 1.3.0). >> www => ocamlfind query -r -separator ' ' -format %d/%a -predicates >> native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http >> mirage-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif >> tcpip.tcpv4 tcpip.udpv4 >> www => ocamlobjinfo /usr/lib/ocaml/unix.cmxa >> /usr/lib/ocaml/bigarray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa >> /home/mirage/.opam/system/lib/ocplib-endian/ocplib_endian.cmxa >> /home/mirage/.opam/system/lib/ocplib-endian/bigstring.cmxa >> /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa >> /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa >> /home/mirage/.opam/system/lib/io-page/io_page.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt.cmxa >> /home/mirage/.opam/system/lib/xenstore/xenstore.cmxa >> /home/mirage/.opam/system/lib/xenstore/xenstore_client_lwt.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/shared_memory_ring.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/console_ring.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.cmxa >> /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_ring.cmxa >> /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa >> /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa >> /home/mirage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa >> /home/mirage/.opam/system/lib/mirage-xen/oS.cmxa >> /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa >> /home/mirage/.opam/system/lib/re/re.cmxa >> /home/mirage/.opam/system/lib/re/re_posix.cmxa >> /home/mirage/.opam/system/lib/stringext/stringext.cmxa >> /home/mirage/.opam/system/lib/uri/uri.cmxa >> /home/mirage/.opam/system/lib/re/re_emacs.cmxa >> /home/mirage/.opam/system/lib/uri/services.cmxa >> /home/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa >> /home/mirage/.opam/system/lib/cohttp/cohttp.cmxa >> /home/mirage/.opam/system/lib/conduit/conduit.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt-unix.cmxa >> /home/mirage/.opam/system/lib/ssl/ssl.cmxa >> /home/mirage/.opam/system/lib/lwt/lwt-ssl.cmxa >> /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa >> /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa >> /home/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa >> /home/mirage/.opam/system/lib/tcpip/channel.cmxa >> /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa >> /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa >> /home/mirage/.opam/system/lib/re/re_str.cmxa >> /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa >> /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa >> /home/mirage/.opam/system/lib/tcpip/dhcpv4.cmxa >> /home/mirage/.opam/system/lib/tcpip/ethif.cmxa >> /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa >> /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa >> >> www => ocamlfind printconf path >> www Generating: main.ml >> www Generating: >> /home/mirage/mirage-skeleton/xen/static_website+ip/static1.ml >> www => ocaml-crunch -o static1.ml >> /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs >> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend >> opam install crunch cstruct io-page lwt mirage-console-xen mirage-http >> mirage-net-xen mirage-types mirage-xen re --verbose >> [NOTE] Package re is already installed (current version is 1.2.2). >> [NOTE] Package mirage-xen is already installed (current version is pinned). >> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >> [NOTE] Package mirage-net-xen is already installed (current version is >> 1.1.2). >> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >> [NOTE] Package mirage-console-xen is already installed (current version is >> 1.0.2). >> [NOTE] Package lwt is already installed (current version is 2.4.5). >> [NOTE] Package io-page is already installed (current version is 1.1.1). >> [NOTE] Package cstruct is already installed (current version is 1.3.1). >> [NOTE] Package crunch is already installed (current version is 1.3.0). >> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make >> ocamlbuild -classic-display -use-ocamlfind -pkgs >> lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-xen,mirage-types,mirage-types.lwt,re.str,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpip.udpv4 >> -tags "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g >> -lflags -g,-linkpkg,-dontlink,unix main.native.o >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules main.ml > main.ml.depends >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules static1.mli > static1.mli.depends >> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmo dispatch.ml >> + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmo dispatch.ml >> File "dispatch.ml", line 89, characters 8-16: >> Warning 26: unused variable callback. >> File "dispatch.ml", line 94, characters 8-19: >> Warning 26: unused variable conn_closed. >> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o static1.cmi static1.mli >> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o main.cmo main.ml >> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >> -package mirage-types -package mirage-net-xen -package mirage-http -package >> mirage-console-xen -package lwt -package io-page -package cstruct -package >> lwt.syntax -syntax camlp4o -modules static1.ml > static1.ml.depends >> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmx dispatch.ml >> + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o dispatch.cmx dispatch.ml >> File "dispatch.ml", line 89, characters 8-16: >> Warning 26: unused variable callback. >> File "dispatch.ml", line 94, characters 8-19: >> Warning 26: unused variable conn_closed. >> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o static1.cmx static1.ml >> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >> -package mirage-net-xen -package mirage-http -package mirage-console-xen >> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >> camlp4o -o main.cmx main.ml >> ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package >> tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 >> -package re.str -package mirage-types.lwt -package mirage-types -package >> mirage-net-xen -package mirage-http -package mirage-console-xen -package lwt >> -package io-page -package cstruct -package lwt.syntax -syntax camlp4o >> dispatch.cmx static1.cmx main.cmx -o main.native.o >> pkg-config --print-errors --exists openlibm 'libminios-xen >= 0.2' >> ld -d -static -nostdlib --start-group \ >> $(pkg-config --static --libs openlibm 'libminios-xen >= 0.2') \ >> _build/main.native.o >> /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \ >> /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ >> -L/usr/lib/ocaml \ >> -lbigarray \ >> -L/home/mirage/.opam/system/lib/cstruct \ >> -lcstruct_stubs \ >> -L/home/mirage/.opam/system/lib/shared-memory-ring \ >> -lshared_memory_ring_stubs \ >> -L/home/mirage/.opam/system/lib/lwt \ >> -llwt-unix_stubs \ >> -lpthread \ >> -L/home/mirage/.opam/system/lib/ssl \ >> -lssl_stubs \ >> -lcrypto \ >> -lssl \ >> -L/home/mirage/.opam/system/lib/tcpip \ >> -ltcpip_stubs \ >> /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ >> -o mir-www.elf >> ld: cannot find -lpthread >> ld: cannot find -lcrypto >> ld: cannot find -lssl >> make: *** [build] Error 1 > > You can just remove these manually from the Makefile for now. > > The other problem you may hit is running out of stack space on the > larger examples. The Git version of Mini-OS extends the old 16 KB > stack by 1MB, or you can use the work-around here: > > https://github.com/mirage/mirage/issues/274 > > > -- > Dr Thomas Leonard http://0install.net/ > GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:36:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:36:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPND-0004Zn-Fb; Wed, 30 Jul 2014 08:36:35 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPNB-0004Zh-Oh for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:36:33 +0000 Received: from [85.158.137.68:33150] by server-15.bemta-3.messagelabs.com id EF/FA-14271-09EA8D35; Wed, 30 Jul 2014 08:36:32 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-31.messagelabs.com!1406709391!10730320!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21004 invoked from network); 30 Jul 2014 08:36:31 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:36:31 -0000 Received: (qmail 32087 invoked by uid 634); 30 Jul 2014 08:36:29 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:36:28 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 30 Jul 2014 10:36:27 +0200 Message-Id: References: , To: buzz heavyyear X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============9213535843223896253==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============9213535843223896253== Content-Type: multipart/alternative; boundary="Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079" --Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 29 Jul 2014, at 10:09, buzz heavyyear = wrote: > >This was (read: should have been) fixed 2 months ago in > = https://github.com/mirage/mirage-skeleton/commit/fe32f34c2411b80856e398847= 82f70c8a359b247 >=20 > Thanks - yes, this was fixed in static_website but not in = xen/static_website+ip It's very useful if you could create an issue on = https://github.com/mirage/mirage-skeleton/issues so we remember to fix = this. I can't do it right now so I've just marked this e-mail for = followup, which is very loss prone in my case :-) -anil --Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 On 29 = Jul 2014, at 10:09, buzz heavyyear <buzzheavyyear@hotmail.com>= ; wrote:

>This was (read: = should have been) fixed 2 months ago in

Thanks - yes, this was = fixed in static_website but not in = xen/static_website+ip

It'= s very useful if you could create an issue on https://github.c= om/mirage/mirage-skeleton/issues so we remember to fix this.  I = can't do it right now so I've just marked this e-mail for followup, = which is very loss prone in my case = :-)

-anil

= --Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079-- --===============9213535843223896253== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============9213535843223896253==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:36:35 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:36:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPND-0004Zn-Fb; Wed, 30 Jul 2014 08:36:35 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPNB-0004Zh-Oh for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:36:33 +0000 Received: from [85.158.137.68:33150] by server-15.bemta-3.messagelabs.com id EF/FA-14271-09EA8D35; Wed, 30 Jul 2014 08:36:32 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-4.tower-31.messagelabs.com!1406709391!10730320!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=HTML_60_70,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21004 invoked from network); 30 Jul 2014 08:36:31 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-4.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:36:31 -0000 Received: (qmail 32087 invoked by uid 634); 30 Jul 2014 08:36:29 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED,HTML_MESSAGE X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:36:28 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: Date: Wed, 30 Jul 2014 10:36:27 +0200 Message-Id: References: , To: buzz heavyyear X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============9213535843223896253==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============9213535843223896253== Content-Type: multipart/alternative; boundary="Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079" --Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 On 29 Jul 2014, at 10:09, buzz heavyyear = wrote: > >This was (read: should have been) fixed 2 months ago in > = https://github.com/mirage/mirage-skeleton/commit/fe32f34c2411b80856e398847= 82f70c8a359b247 >=20 > Thanks - yes, this was fixed in static_website but not in = xen/static_website+ip It's very useful if you could create an issue on = https://github.com/mirage/mirage-skeleton/issues so we remember to fix = this. I can't do it right now so I've just marked this e-mail for = followup, which is very loss prone in my case :-) -anil --Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 On 29 = Jul 2014, at 10:09, buzz heavyyear <buzzheavyyear@hotmail.com>= ; wrote:

>This was (read: = should have been) fixed 2 months ago in

Thanks - yes, this was = fixed in static_website but not in = xen/static_website+ip

It'= s very useful if you could create an issue on https://github.c= om/mirage/mirage-skeleton/issues so we remember to fix this.  I = can't do it right now so I've just marked this e-mail for followup, = which is very loss prone in my case = :-)

-anil

= --Apple-Mail=_D0F4959E-68B4-4DD1-9A68-DF37CC2DC079-- --===============9213535843223896253== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============9213535843223896253==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:38:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:38:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPOh-0004fy-2l; Wed, 30 Jul 2014 08:38:07 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPOg-0004fq-D2 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:38:06 +0000 Received: from [193.109.254.147:16502] by server-12.bemta-14.messagelabs.com id 38/E1-23840-DEEA8D35; Wed, 30 Jul 2014 08:38:05 +0000 X-Env-Sender: jjl25@cam.ac.uk X-Msg-Ref: server-12.tower-27.messagelabs.com!1406709485!12634167!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2625 invoked from network); 30 Jul 2014 08:38:05 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-12.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 08:38:05 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [46.233.116.107] (port=58760 helo=[10.108.42.18]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:jjl25) (TLSv1.2:DHE-RSA-AES128-SHA:128) id 1XCPOe-0008Ml-sV (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Wed, 30 Jul 2014 09:38:05 +0100 Message-ID: <53D8AEE7.7020802@cam.ac.uk> Date: Wed, 30 Jul 2014 09:37:59 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> In-Reply-To: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30/07/14 09:32, Anil Madhavapeddy wrote: > This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. There are lots of things we do that could benefit from nice binary repository hosting. Does anyone have a secret stash of credits for Amazon's S3? There's a tutorial of how to host repositories on it here: http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. RPM hosting should be similarly easy. Jon _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:38:07 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:38:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPOh-0004fy-2l; Wed, 30 Jul 2014 08:38:07 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPOg-0004fq-D2 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:38:06 +0000 Received: from [193.109.254.147:16502] by server-12.bemta-14.messagelabs.com id 38/E1-23840-DEEA8D35; Wed, 30 Jul 2014 08:38:05 +0000 X-Env-Sender: jjl25@cam.ac.uk X-Msg-Ref: server-12.tower-27.messagelabs.com!1406709485!12634167!1 X-Originating-IP: [131.111.8.150] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MCA9PiAxNDk0MDU=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2625 invoked from network); 30 Jul 2014 08:38:05 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-12.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 08:38:05 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [46.233.116.107] (port=58760 helo=[10.108.42.18]) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:587) with esmtpsa (PLAIN:jjl25) (TLSv1.2:DHE-RSA-AES128-SHA:128) id 1XCPOe-0008Ml-sV (Exim 4.82_3-c0e5623) for mirageos-devel@lists.xenproject.org (return-path ); Wed, 30 Jul 2014 09:38:05 +0100 Message-ID: <53D8AEE7.7020802@cam.ac.uk> Date: Wed, 30 Jul 2014 09:37:59 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: mirageos-devel@lists.xenproject.org References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> In-Reply-To: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30/07/14 09:32, Anil Madhavapeddy wrote: > This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. There are lots of things we do that could benefit from nice binary repository hosting. Does anyone have a secret stash of credits for Amazon's S3? There's a tutorial of how to host repositories on it here: http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. RPM hosting should be similarly easy. Jon _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:41:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:41:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPRT-0004pT-C9; Wed, 30 Jul 2014 08:40:59 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPRS-0004pO-H4 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:40:58 +0000 Received: from [85.158.137.68:41126] by server-7.bemta-3.messagelabs.com id 63/F0-01084-99FA8D35; Wed, 30 Jul 2014 08:40:57 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-31.messagelabs.com!1406709656!10787189!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28077 invoked from network); 30 Jul 2014 08:40:57 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:40:57 -0000 Received: (qmail 17766 invoked by uid 634); 30 Jul 2014 08:40:56 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:40:56 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <53D8AEE7.7020802@cam.ac.uk> Date: Wed, 30 Jul 2014 10:40:54 +0200 Message-Id: References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> To: Jon Ludlam X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 Jul 2014, at 10:37, Jon Ludlam wrote: > On 30/07/14 09:32, Anil Madhavapeddy wrote: >> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. > > There are lots of things we do that could benefit from nice binary > repository hosting. Does anyone have a secret stash of credits for > Amazon's S3? There's a tutorial of how to host repositories on it here: > http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. > RPM hosting should be similarly easy. Rackspace has very generously given us developer accounts for VM hosting, so blobs.openmirage.org has a healthy amount of storage (and is currently hosting the ARM SDcard images). So we have somewhere to host the RPMs, but the most convenient aspect of Launchpad is that it automates the build process as well. Have you ever decrypted the mysterious workings of the OpenSUSE build service? It appears to support ARM, but the Web UI is...scary. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:41:01 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:41:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPRT-0004pT-C9; Wed, 30 Jul 2014 08:40:59 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPRS-0004pO-H4 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:40:58 +0000 Received: from [85.158.137.68:41126] by server-7.bemta-3.messagelabs.com id 63/F0-01084-99FA8D35; Wed, 30 Jul 2014 08:40:57 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-16.tower-31.messagelabs.com!1406709656!10787189!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28077 invoked from network); 30 Jul 2014 08:40:57 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-16.tower-31.messagelabs.com with SMTP; 30 Jul 2014 08:40:57 -0000 Received: (qmail 17766 invoked by uid 634); 30 Jul 2014 08:40:56 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:40:56 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <53D8AEE7.7020802@cam.ac.uk> Date: Wed, 30 Jul 2014 10:40:54 +0200 Message-Id: References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> To: Jon Ludlam X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 Jul 2014, at 10:37, Jon Ludlam wrote: > On 30/07/14 09:32, Anil Madhavapeddy wrote: >> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. > > There are lots of things we do that could benefit from nice binary > repository hosting. Does anyone have a secret stash of credits for > Amazon's S3? There's a tutorial of how to host repositories on it here: > http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. > RPM hosting should be similarly easy. Rackspace has very generously given us developer accounts for VM hosting, so blobs.openmirage.org has a healthy amount of storage (and is currently hosting the ARM SDcard images). So we have somewhere to host the RPMs, but the most convenient aspect of Launchpad is that it automates the build process as well. Have you ever decrypted the mysterious workings of the OpenSUSE build service? It appears to support ARM, but the Web UI is...scary. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:48:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:48:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPZ2-0004zj-D5; Wed, 30 Jul 2014 08:48:48 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPZ1-0004zc-2s for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:48:47 +0000 Received: from [193.109.254.147:36408] by server-9.bemta-14.messagelabs.com id F4/C8-31535-E61B8D35; Wed, 30 Jul 2014 08:48:46 +0000 X-Env-Sender: jjl25@cam.ac.uk X-Msg-Ref: server-14.tower-27.messagelabs.com!1406710125!12623087!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27741 invoked from network); 30 Jul 2014 08:48:45 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-14.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 08:48:45 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [46.233.116.107] (port=44040 helo=[10.108.42.18]) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:587) with esmtpsa (PLAIN:jjl25) (TLSv1.2:DHE-RSA-AES128-SHA:128) id 1XCPYy-00069n-lt (Exim 4.82_3-c0e5623) (return-path ); Wed, 30 Jul 2014 09:48:45 +0100 Message-ID: <53D8B16C.9000607@cam.ac.uk> Date: Wed, 30 Jul 2014 09:48:44 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Anil Madhavapeddy References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> In-Reply-To: Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30/07/14 09:40, Anil Madhavapeddy wrote: > On 30 Jul 2014, at 10:37, Jon Ludlam wrote: > >> On 30/07/14 09:32, Anil Madhavapeddy wrote: >>> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. >> There are lots of things we do that could benefit from nice binary >> repository hosting. Does anyone have a secret stash of credits for >> Amazon's S3? There's a tutorial of how to host repositories on it here: >> http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. >> RPM hosting should be similarly easy. > Rackspace has very generously given us developer accounts for VM hosting, > so blobs.openmirage.org has a healthy amount of storage (and is currently > hosting the ARM SDcard images). > > So we have somewhere to host the RPMs, but the most convenient aspect of > Launchpad is that it automates the build process as well. Have you ever > decrypted the mysterious workings of the OpenSUSE build service? It appears > to support ARM, but the Web UI is...scary. No, I had a similar experience with the UI! We've got automatic building here of x86 RPMs, and I suspect we're not too far off being able to do something similar with ARM. We're using Vagrant (using the vagrant-xenserver plugin) to set up build environments and do the builds automatically. Once the xenserver/buildroot packages can do the vagrant thing we should be able to make some base boxes for the cubieboard and then it should be simple to do the builds. Compute resource isn't really our problem, we need more externally visible storage. Jon > -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:48:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:48:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPZ2-0004zj-D5; Wed, 30 Jul 2014 08:48:48 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPZ1-0004zc-2s for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:48:47 +0000 Received: from [193.109.254.147:36408] by server-9.bemta-14.messagelabs.com id F4/C8-31535-E61B8D35; Wed, 30 Jul 2014 08:48:46 +0000 X-Env-Sender: jjl25@cam.ac.uk X-Msg-Ref: server-14.tower-27.messagelabs.com!1406710125!12623087!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27741 invoked from network); 30 Jul 2014 08:48:45 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-14.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 08:48:45 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [46.233.116.107] (port=44040 helo=[10.108.42.18]) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:587) with esmtpsa (PLAIN:jjl25) (TLSv1.2:DHE-RSA-AES128-SHA:128) id 1XCPYy-00069n-lt (Exim 4.82_3-c0e5623) (return-path ); Wed, 30 Jul 2014 09:48:45 +0100 Message-ID: <53D8B16C.9000607@cam.ac.uk> Date: Wed, 30 Jul 2014 09:48:44 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Anil Madhavapeddy References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> In-Reply-To: Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30/07/14 09:40, Anil Madhavapeddy wrote: > On 30 Jul 2014, at 10:37, Jon Ludlam wrote: > >> On 30/07/14 09:32, Anil Madhavapeddy wrote: >>> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. >> There are lots of things we do that could benefit from nice binary >> repository hosting. Does anyone have a secret stash of credits for >> Amazon's S3? There's a tutorial of how to host repositories on it here: >> http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. >> RPM hosting should be similarly easy. > Rackspace has very generously given us developer accounts for VM hosting, > so blobs.openmirage.org has a healthy amount of storage (and is currently > hosting the ARM SDcard images). > > So we have somewhere to host the RPMs, but the most convenient aspect of > Launchpad is that it automates the build process as well. Have you ever > decrypted the mysterious workings of the OpenSUSE build service? It appears > to support ARM, but the Web UI is...scary. No, I had a similar experience with the UI! We've got automatic building here of x86 RPMs, and I suspect we're not too far off being able to do something similar with ARM. We're using Vagrant (using the vagrant-xenserver plugin) to set up build environments and do the builds automatically. Once the xenserver/buildroot packages can do the vagrant thing we should be able to make some base boxes for the cubieboard and then it should be simple to do the builds. Compute resource isn't really our problem, we need more externally visible storage. Jon > -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:51:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:51:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPbu-00053k-MH; Wed, 30 Jul 2014 08:51:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPbt-00053f-Lh for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:51:45 +0000 Received: from [85.158.139.211:30868] by server-5.bemta-5.messagelabs.com id BA/01-11546-122B8D35; Wed, 30 Jul 2014 08:51:45 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-12.tower-206.messagelabs.com!1406710304!10806006!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12704 invoked from network); 30 Jul 2014 08:51:44 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-12.tower-206.messagelabs.com with SMTP; 30 Jul 2014 08:51:44 -0000 Received: (qmail 10203 invoked by uid 634); 30 Jul 2014 08:51:43 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:51:43 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <53D8B16C.9000607@cam.ac.uk> Date: Wed, 30 Jul 2014 10:51:41 +0200 Message-Id: References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> <53D8B16C.9000607@cam.ac.uk> To: Jon Ludlam X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 Jul 2014, at 10:48, Jon Ludlam wrote: > On 30/07/14 09:40, Anil Madhavapeddy wrote: >> On 30 Jul 2014, at 10:37, Jon Ludlam wrote: >> >>> On 30/07/14 09:32, Anil Madhavapeddy wrote: >>>> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. >>> There are lots of things we do that could benefit from nice binary >>> repository hosting. Does anyone have a secret stash of credits for >>> Amazon's S3? There's a tutorial of how to host repositories on it here: >>> http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. >>> RPM hosting should be similarly easy. >> Rackspace has very generously given us developer accounts for VM hosting, >> so blobs.openmirage.org has a healthy amount of storage (and is currently >> hosting the ARM SDcard images). >> >> So we have somewhere to host the RPMs, but the most convenient aspect of >> Launchpad is that it automates the build process as well. Have you ever >> decrypted the mysterious workings of the OpenSUSE build service? It appears >> to support ARM, but the Web UI is...scary. > No, I had a similar experience with the UI! > > We've got automatic building here of x86 RPMs, and I suspect we're not > too far off being able to do something similar with ARM. We're using > Vagrant (using the vagrant-xenserver plugin) to set up build > environments and do the builds automatically. Once the > xenserver/buildroot packages can do the vagrant thing we should be able > to make some base boxes for the cubieboard and then it should be simple > to do the builds. > > Compute resource isn't really our problem, we need more externally > visible storage. Great -- we can certainly arrange to rsync the results to blobs.openmirage.org then. Do you plan to run the Cubieboard builds physically or in a qemu-arm environment? The Cubietrucks are pretty fast at doing builds -- I can bring one along to the compiler hacking session on Friday. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:51:48 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:51:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPbu-00053k-MH; Wed, 30 Jul 2014 08:51:46 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPbt-00053f-Lh for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:51:45 +0000 Received: from [85.158.139.211:30868] by server-5.bemta-5.messagelabs.com id BA/01-11546-122B8D35; Wed, 30 Jul 2014 08:51:45 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-12.tower-206.messagelabs.com!1406710304!10806006!1 X-Originating-IP: [89.16.177.154] X-SpamReason: No, hits=0.3 required=7.0 tests=MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12704 invoked from network); 30 Jul 2014 08:51:44 -0000 Received: from recoil.dh.bytemark.co.uk (HELO dark.recoil.org) (89.16.177.154) by server-12.tower-206.messagelabs.com with SMTP; 30 Jul 2014 08:51:44 -0000 Received: (qmail 10203 invoked by uid 634); 30 Jul 2014 08:51:43 -0000 X-Spam-Level: * X-Spam-Status: No, hits=-1.0 required=5.0 tests=ALL_TRUSTED X-Spam-Check-By: dark.recoil.org Received: from host-78-65-188-195.homerun.telia.com (HELO host-78-65-188-195.homerun.telia.com) (78.65.188.195) (smtp-auth username remote@recoil.org, mechanism cram-md5) by dark.recoil.org (qpsmtpd/0.84) with ESMTPA; Wed, 30 Jul 2014 09:51:43 +0100 Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) From: Anil Madhavapeddy In-Reply-To: <53D8B16C.9000607@cam.ac.uk> Date: Wed, 30 Jul 2014 10:51:41 +0200 Message-Id: References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> <53D8B16C.9000607@cam.ac.uk> To: Jon Ludlam X-Mailer: Apple Mail (2.1878.6) X-Virus-Checked: Checked by ClamAV on dark.recoil.org Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 Jul 2014, at 10:48, Jon Ludlam wrote: > On 30/07/14 09:40, Anil Madhavapeddy wrote: >> On 30 Jul 2014, at 10:37, Jon Ludlam wrote: >> >>> On 30/07/14 09:32, Anil Madhavapeddy wrote: >>>> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. >>> There are lots of things we do that could benefit from nice binary >>> repository hosting. Does anyone have a secret stash of credits for >>> Amazon's S3? There's a tutorial of how to host repositories on it here: >>> http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. >>> RPM hosting should be similarly easy. >> Rackspace has very generously given us developer accounts for VM hosting, >> so blobs.openmirage.org has a healthy amount of storage (and is currently >> hosting the ARM SDcard images). >> >> So we have somewhere to host the RPMs, but the most convenient aspect of >> Launchpad is that it automates the build process as well. Have you ever >> decrypted the mysterious workings of the OpenSUSE build service? It appears >> to support ARM, but the Web UI is...scary. > No, I had a similar experience with the UI! > > We've got automatic building here of x86 RPMs, and I suspect we're not > too far off being able to do something similar with ARM. We're using > Vagrant (using the vagrant-xenserver plugin) to set up build > environments and do the builds automatically. Once the > xenserver/buildroot packages can do the vagrant thing we should be able > to make some base boxes for the cubieboard and then it should be simple > to do the builds. > > Compute resource isn't really our problem, we need more externally > visible storage. Great -- we can certainly arrange to rsync the results to blobs.openmirage.org then. Do you plan to run the Cubieboard builds physically or in a qemu-arm environment? The Cubietrucks are pretty fast at doing builds -- I can bring one along to the compiler hacking session on Friday. -anil _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:59:19 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:59:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPjC-0005K2-Nb; Wed, 30 Jul 2014 08:59:18 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPjB-0005Jv-2w for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:59:17 +0000 Received: from [85.158.139.211:23763] by server-11.bemta-5.messagelabs.com id CE/7A-31757-4E3B8D35; Wed, 30 Jul 2014 08:59:16 +0000 X-Env-Sender: jjl25@cam.ac.uk X-Msg-Ref: server-5.tower-206.messagelabs.com!1406710755!10789919!1 X-Originating-IP: [131.111.8.141] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE0MSA9PiAxNTQ4NjI=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15296 invoked from network); 30 Jul 2014 08:59:16 -0000 Received: from ppsw-41.csi.cam.ac.uk (HELO ppsw-41.csi.cam.ac.uk) (131.111.8.141) by server-5.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 08:59:16 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [46.233.116.107] (port=34624 helo=[10.108.42.18]) by ppsw-41.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.157]:587) with esmtpsa (PLAIN:jjl25) (TLSv1.2:DHE-RSA-AES128-SHA:128) id 1XCPj9-0004Tm-RK (Exim 4.82_3-c0e5623) (return-path ); Wed, 30 Jul 2014 09:59:15 +0100 Message-ID: <53D8B3E3.5040700@cam.ac.uk> Date: Wed, 30 Jul 2014 09:59:15 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Anil Madhavapeddy References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> <53D8B16C.9000607@cam.ac.uk> In-Reply-To: Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30/07/14 09:51, Anil Madhavapeddy wrote: > On 30 Jul 2014, at 10:48, Jon Ludlam wrote: > >> On 30/07/14 09:40, Anil Madhavapeddy wrote: >>> On 30 Jul 2014, at 10:37, Jon Ludlam wrote: >>> >>>> On 30/07/14 09:32, Anil Madhavapeddy wrote: >>>>> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. >>>> There are lots of things we do that could benefit from nice binary >>>> repository hosting. Does anyone have a secret stash of credits for >>>> Amazon's S3? There's a tutorial of how to host repositories on it here: >>>> http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. >>>> RPM hosting should be similarly easy. >>> Rackspace has very generously given us developer accounts for VM hosting, >>> so blobs.openmirage.org has a healthy amount of storage (and is currently >>> hosting the ARM SDcard images). >>> >>> So we have somewhere to host the RPMs, but the most convenient aspect of >>> Launchpad is that it automates the build process as well. Have you ever >>> decrypted the mysterious workings of the OpenSUSE build service? It appears >>> to support ARM, but the Web UI is...scary. >> No, I had a similar experience with the UI! >> >> We've got automatic building here of x86 RPMs, and I suspect we're not >> too far off being able to do something similar with ARM. We're using >> Vagrant (using the vagrant-xenserver plugin) to set up build >> environments and do the builds automatically. Once the >> xenserver/buildroot packages can do the vagrant thing we should be able >> to make some base boxes for the cubieboard and then it should be simple >> to do the builds. >> >> Compute resource isn't really our problem, we need more externally >> visible storage. > Great -- we can certainly arrange to rsync the results to > blobs.openmirage.org then. Do you plan to run the Cubieboard builds > physically or in a qemu-arm environment? The Cubietrucks are pretty > fast at doing builds -- I can bring one along to the compiler hacking > session on Friday. > > -anil Physically ideally. The one stumbling block there may be is blktap on ARM - it depends upon a kernel module which is unmaintained as an out-of-tree dkms, so if there are any problems we may have to find alternatives, which would involve quite a lot of development. xenserver/buildroot's storage stack is pretty dependent on blktap right now. I'd love to have a look at the cubietruck, so please do bring it along! Jon _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 08:59:19 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 08:59:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPjC-0005K2-Nb; Wed, 30 Jul 2014 08:59:18 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPjB-0005Jv-2w for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 08:59:17 +0000 Received: from [85.158.139.211:23763] by server-11.bemta-5.messagelabs.com id CE/7A-31757-4E3B8D35; Wed, 30 Jul 2014 08:59:16 +0000 X-Env-Sender: jjl25@cam.ac.uk X-Msg-Ref: server-5.tower-206.messagelabs.com!1406710755!10789919!1 X-Originating-IP: [131.111.8.141] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE0MSA9PiAxNTQ4NjI=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15296 invoked from network); 30 Jul 2014 08:59:16 -0000 Received: from ppsw-41.csi.cam.ac.uk (HELO ppsw-41.csi.cam.ac.uk) (131.111.8.141) by server-5.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 08:59:16 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [46.233.116.107] (port=34624 helo=[10.108.42.18]) by ppsw-41.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.157]:587) with esmtpsa (PLAIN:jjl25) (TLSv1.2:DHE-RSA-AES128-SHA:128) id 1XCPj9-0004Tm-RK (Exim 4.82_3-c0e5623) (return-path ); Wed, 30 Jul 2014 09:59:15 +0100 Message-ID: <53D8B3E3.5040700@cam.ac.uk> Date: Wed, 30 Jul 2014 09:59:15 +0100 From: Jon Ludlam User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Anil Madhavapeddy References: <581C2936-4BEE-4E29-880E-A25861D2E154@recoil.org> <53D8AEE7.7020802@cam.ac.uk> <53D8B16C.9000607@cam.ac.uk> In-Reply-To: Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] libvirt with mirageos and tls X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30/07/14 09:51, Anil Madhavapeddy wrote: > On 30 Jul 2014, at 10:48, Jon Ludlam wrote: > >> On 30/07/14 09:40, Anil Madhavapeddy wrote: >>> On 30 Jul 2014, at 10:37, Jon Ludlam wrote: >>> >>>> On 30/07/14 09:32, Anil Madhavapeddy wrote: >>>>> This is a great writeup, thank you! It's very useful to see all the libvirt steps in one place. It's a pity that Ubuntu Launchpad doesn't build PPAs on ARM yet (as far as I know), or else we could get a binary repository published to make these steps easier. >>>> There are lots of things we do that could benefit from nice binary >>>> repository hosting. Does anyone have a secret stash of credits for >>>> Amazon's S3? There's a tutorial of how to host repositories on it here: >>>> http://xn.pinkhamster.net/blog/tech/host-a-debian-repository-on-s3.html. >>>> RPM hosting should be similarly easy. >>> Rackspace has very generously given us developer accounts for VM hosting, >>> so blobs.openmirage.org has a healthy amount of storage (and is currently >>> hosting the ARM SDcard images). >>> >>> So we have somewhere to host the RPMs, but the most convenient aspect of >>> Launchpad is that it automates the build process as well. Have you ever >>> decrypted the mysterious workings of the OpenSUSE build service? It appears >>> to support ARM, but the Web UI is...scary. >> No, I had a similar experience with the UI! >> >> We've got automatic building here of x86 RPMs, and I suspect we're not >> too far off being able to do something similar with ARM. We're using >> Vagrant (using the vagrant-xenserver plugin) to set up build >> environments and do the builds automatically. Once the >> xenserver/buildroot packages can do the vagrant thing we should be able >> to make some base boxes for the cubieboard and then it should be simple >> to do the builds. >> >> Compute resource isn't really our problem, we need more externally >> visible storage. > Great -- we can certainly arrange to rsync the results to > blobs.openmirage.org then. Do you plan to run the Cubieboard builds > physically or in a qemu-arm environment? The Cubietrucks are pretty > fast at doing builds -- I can bring one along to the compiler hacking > session on Friday. > > -anil Physically ideally. The one stumbling block there may be is blktap on ARM - it depends upon a kernel module which is unmaintained as an out-of-tree dkms, so if there are any problems we may have to find alternatives, which would involve quite a lot of development. xenserver/buildroot's storage stack is pretty dependent on blktap right now. I'd love to have a look at the cubietruck, so please do bring it along! Jon _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 09:12:57 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 09:12:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPwM-0005lC-Nu; Wed, 30 Jul 2014 09:12:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPwL-0005l7-77 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 09:12:53 +0000 Received: from [85.158.139.211:64538] by server-12.bemta-5.messagelabs.com id C0/48-22251-417B8D35; Wed, 30 Jul 2014 09:12:52 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-8.tower-206.messagelabs.com!1406711571!10793271!1 X-Originating-IP: [131.111.8.141] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE0MSA9PiAxNTQ4NjI=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5779 invoked from network); 30 Jul 2014 09:12:51 -0000 Received: from ppsw-41.csi.cam.ac.uk (HELO ppsw-41.csi.cam.ac.uk) (131.111.8.141) by server-8.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 09:12:51 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from host81-149-102-120.in-addr.btopenworld.com ([81.149.102.120]:56613 helo=[10.0.0.151]) by ppsw-41.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.157]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1XCPwI-0007Cq-RK (Exim 4.82_3-c0e5623) (return-path ); Wed, 30 Jul 2014 10:12:50 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: <033D0522-500E-4AAD-9888-9BD2666FCEFD@recoil.org> Date: Wed, 30 Jul 2014 10:12:49 +0100 Message-Id: <271CE971-A52E-4F95-ABD7-84DFBDD13BC1@cam.ac.uk> References: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> <033D0522-500E-4AAD-9888-9BD2666FCEFD@recoil.org> To: mirageos-devel@lists.xenproject.org X-Mailer: Apple Mail (2.1510) Cc: Russell Pavlicek , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Doc Day Tomorrow: Mirage V2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've added this as an item to discuss on the next call [1]. Having a set of base set of stable information on the Xen wiki is important and we should link out to the openmirage.org site for details/tutorials (and it's also running as a self-hosted unikernel, so is a good showcase). It seems that this is what Russ is proposing but I'd also like to see the same content out in the wild as articles and blog posts. It's also worth noting that the Xen site has a lot of traffic and people find their way to Mirage via that route. I look forward to discussing this next week. Best wishes, Amir [1] https://github.com/mirage/mirage-www/wiki/Call-Agenda On 30 Jul 2014, at 09:28, Anil Madhavapeddy wrote: > I'd love to contribute to this, but a number of us are travelling today (Mort and I are currently in Sweden about to deliver a tutorial in an hour, Dave is on vacation). If anyone else is free, this is of course open to anyone to contribute. > > Amir, could we get this on the agenda for the next Mirage call to have an organized doc push for the next regular Xen docs day? > > In general, we need to understand how to coordinate the Xen wiki and the Mirage website, or else things get out of sync very fast indeed. It can't be a straight copy-and-paste since the emphasis is slightly different between the two. > > There's also the growing number of blog posts from the community about unikernels, and one thing we could do on the doc day is to crib some of the (excellent) content from there with the authors' permission and use that as the basis for the content. > > -anil > > On 29 Jul 2014, at 20:28, Russell Pavlicek wrote: > >> Greetings Miragites! >> >> Document Day for Wiki.XenProject.org is tomorrow (Wednesday). >> >> With the release of Mirage V2, it seems to me that some basic documentation of Mirage V2 should find its way intoWiki.XenProject.org. Certainly, there are some pages already assembled under the "Mirage" category, but I think there is far more to be said. >> >> After talking with Richard at OSCON, I am convinced that we need a "Why Mirage?" type document on the Xen Project wiki -- a document which explains why this concept of library OS/Cloud OS/unikernel should be of interest to users. I've started a page called "Cloud Operating Systems" which tries to address the concept at a very high level. It would be good to see that tie in to a more detailed page -- although not in the technical weeds -- which explains why Mirage itself is worth exploring. What problems can it solve? Why should people looking at Linux Containers look at Mirage? What current and future scenarios will it facilitate? Basically, something similar to your "Overview of Mirage" page on your website, complete with links to your docs, needs to be presented on our wiki. >> >> I know many pages of excellent docs are in place on your own website, and those should stay where they are right now. But it would be extremely useful to see some basic introductory information on the Xen Project Wiki with links to the appropriate details on the Mirage docs. Readers of the Xen Project Wiki should be enticed to learn more about Mirage. Right now, we lack the interesting introductory material which will draw them over to your site. >> >> If anyone is willing to pitch in tomorrow to help create a page (or pages) on Wiki.XenProject.org to lead folks to the Mirage docs and blogs, that would be wonderful! >> >> The usual Doc Day info can be found here: >> >> http://wiki.xenproject.org/wiki/Xen_Project_Document_Days >> >> Hope to see you tomorrow on #xendocs! >> >> Russ Pavlicek >> Xen Project Document Day Noisemaker >> Home Office: +1-301-829-5327 >> UK VoIP: +44 1223 852 894 >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 09:12:57 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 09:12:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPwM-0005lC-Nu; Wed, 30 Jul 2014 09:12:54 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCPwL-0005l7-77 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 09:12:53 +0000 Received: from [85.158.139.211:64538] by server-12.bemta-5.messagelabs.com id C0/48-22251-417B8D35; Wed, 30 Jul 2014 09:12:52 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-8.tower-206.messagelabs.com!1406711571!10793271!1 X-Originating-IP: [131.111.8.141] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE0MSA9PiAxNTQ4NjI=\n X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5779 invoked from network); 30 Jul 2014 09:12:51 -0000 Received: from ppsw-41.csi.cam.ac.uk (HELO ppsw-41.csi.cam.ac.uk) (131.111.8.141) by server-8.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 09:12:51 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from host81-149-102-120.in-addr.btopenworld.com ([81.149.102.120]:56613 helo=[10.0.0.151]) by ppsw-41.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.157]:587) with esmtpsa (PLAIN:amc79) (TLSv1:AES128-SHA:128) id 1XCPwI-0007Cq-RK (Exim 4.82_3-c0e5623) (return-path ); Wed, 30 Jul 2014 10:12:50 +0100 Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) From: Amir Chaudhry In-Reply-To: <033D0522-500E-4AAD-9888-9BD2666FCEFD@recoil.org> Date: Wed, 30 Jul 2014 10:12:49 +0100 Message-Id: <271CE971-A52E-4F95-ABD7-84DFBDD13BC1@cam.ac.uk> References: <55E78A57290FB64FA0D3CF672F9F3DA2724041@SJCPEX01CL03.citrite.net> <033D0522-500E-4AAD-9888-9BD2666FCEFD@recoil.org> To: mirageos-devel@lists.xenproject.org X-Mailer: Apple Mail (2.1510) Cc: Russell Pavlicek , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Doc Day Tomorrow: Mirage V2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I've added this as an item to discuss on the next call [1]. Having a set of base set of stable information on the Xen wiki is important and we should link out to the openmirage.org site for details/tutorials (and it's also running as a self-hosted unikernel, so is a good showcase). It seems that this is what Russ is proposing but I'd also like to see the same content out in the wild as articles and blog posts. It's also worth noting that the Xen site has a lot of traffic and people find their way to Mirage via that route. I look forward to discussing this next week. Best wishes, Amir [1] https://github.com/mirage/mirage-www/wiki/Call-Agenda On 30 Jul 2014, at 09:28, Anil Madhavapeddy wrote: > I'd love to contribute to this, but a number of us are travelling today (Mort and I are currently in Sweden about to deliver a tutorial in an hour, Dave is on vacation). If anyone else is free, this is of course open to anyone to contribute. > > Amir, could we get this on the agenda for the next Mirage call to have an organized doc push for the next regular Xen docs day? > > In general, we need to understand how to coordinate the Xen wiki and the Mirage website, or else things get out of sync very fast indeed. It can't be a straight copy-and-paste since the emphasis is slightly different between the two. > > There's also the growing number of blog posts from the community about unikernels, and one thing we could do on the doc day is to crib some of the (excellent) content from there with the authors' permission and use that as the basis for the content. > > -anil > > On 29 Jul 2014, at 20:28, Russell Pavlicek wrote: > >> Greetings Miragites! >> >> Document Day for Wiki.XenProject.org is tomorrow (Wednesday). >> >> With the release of Mirage V2, it seems to me that some basic documentation of Mirage V2 should find its way intoWiki.XenProject.org. Certainly, there are some pages already assembled under the "Mirage" category, but I think there is far more to be said. >> >> After talking with Richard at OSCON, I am convinced that we need a "Why Mirage?" type document on the Xen Project wiki -- a document which explains why this concept of library OS/Cloud OS/unikernel should be of interest to users. I've started a page called "Cloud Operating Systems" which tries to address the concept at a very high level. It would be good to see that tie in to a more detailed page -- although not in the technical weeds -- which explains why Mirage itself is worth exploring. What problems can it solve? Why should people looking at Linux Containers look at Mirage? What current and future scenarios will it facilitate? Basically, something similar to your "Overview of Mirage" page on your website, complete with links to your docs, needs to be presented on our wiki. >> >> I know many pages of excellent docs are in place on your own website, and those should stay where they are right now. But it would be extremely useful to see some basic introductory information on the Xen Project Wiki with links to the appropriate details on the Mirage docs. Readers of the Xen Project Wiki should be enticed to learn more about Mirage. Right now, we lack the interesting introductory material which will draw them over to your site. >> >> If anyone is willing to pitch in tomorrow to help create a page (or pages) on Wiki.XenProject.org to lead folks to the Mirage docs and blogs, that would be wonderful! >> >> The usual Doc Day info can be found here: >> >> http://wiki.xenproject.org/wiki/Xen_Project_Document_Days >> >> Hope to see you tomorrow on #xendocs! >> >> Russ Pavlicek >> Xen Project Document Day Noisemaker >> Home Office: +1-301-829-5327 >> UK VoIP: +44 1223 852 894 >> _______________________________________________ >> MirageOS-devel mailing list >> MirageOS-devel@lists.xenproject.org >> http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 09:39:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 09:39:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCQLk-0006c0-Pu; Wed, 30 Jul 2014 09:39:08 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCQLj-0006bs-74 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 09:39:07 +0000 Received: from [85.158.139.211:6972] by server-17.bemta-5.messagelabs.com id 76/D2-08943-A3DB8D35; Wed, 30 Jul 2014 09:39:06 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1406713143!7940477!1 X-Originating-IP: [209.85.214.180] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19765 invoked from network); 30 Jul 2014 09:39:05 -0000 Received: from mail-ob0-f180.google.com (HELO mail-ob0-f180.google.com) (209.85.214.180) by server-16.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 30 Jul 2014 09:39:05 -0000 Received: by mail-ob0-f180.google.com with SMTP id uy5so340694obc.25 for ; Wed, 30 Jul 2014 02:39:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=zpEL5/UI0cw12yUWz7RryJua4n3iaBvVHGUNH3LssZ0=; b=kAWW0sqM/mg+hbXtwqsJ6KKXOZYp+aGH3dk/Ypt5zY0VTI9OFHa3lraxi5eUzACJh5 M5paREveWQFXGbz/1qeKOpNxdOw0Vnw3CJg5aOjdgvXA/t1u5O/q9QAffwyMjXxGvVK3 SGC8gITIfkWIISo4JsuAiSg07afg3SXFrJSKzvUdsQRmOXUpVH5qAj+z0UPkQQGOwHKz 6PzRlvY6PrMjSwStABeZ8oZr1GtSySG6B4bsSUUlIq9puvqNqoO/Q8Tf5Nnq8cbEPnBQ a33VgL4MPyyLOHyeIufVrVM459k72D7UbE0QTXaODdi3RGIZktVcY7L6/+myMrsKXgyD CGww== MIME-Version: 1.0 X-Received: by 10.182.104.104 with SMTP id gd8mr3726192obb.17.1406713142721; Wed, 30 Jul 2014 02:39:02 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 30 Jul 2014 02:39:02 -0700 (PDT) In-Reply-To: References: Date: Wed, 30 Jul 2014 10:39:02 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 July 2014 09:35, Anil Madhavapeddy wrote: > I believe this should be fixed by pinning cohttp and mirage-http to HEAD, > as there was a minor dependency issue that caused the extra Unix libraries > to be pulled in the OS-independent Lwt version. > > opam pin cohttp git://github.com/mirage/ocaml-cohttp > opam pin mirage-http git://github.com/mirage/mirage-http > > We need far too many pins on ARM at the moment and should cut some releases. > Thomas: is the checksum tree in an ok state to send a pull req for? I've added a pull request here: https://github.com/mirage/mirage-tcpip/pull/63 We'll need a new release of mirage first or at the same time. > I'm going to sort out cohttp at a high priority when I'm done with today's > tutorial. > > -anil > > On 29 Jul 2014, at 12:03, Thomas Leonard wrote: > >> On 29 July 2014 10:59, buzz heavyyear wrote: >>> Still having problems with this. I'm building static_website+ip via ssh on >>> the cubieboard and the build complains of not having libssl, libpthread and >>> libssl, even though the libraries are installed (checked via apt-find and >>> apt-get). >>> >>> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure >>> --xen >>> Mirage Using scanned config file: config.ml >>> Mirage Processing: >>> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >>> Mirage => rm -rf >>> /home/mirage/mirage-skeleton/xen/static_website+ip/_build/config.* >>> Mirage => cd /home/mirage/mirage-skeleton/xen/static_website+ip && >>> ocamlbuild -use-ocamlfind -tags annot,bin_annot -pkg mirage config.cmxs >>> www Using configuration: >>> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >>> www 1 job [Dispatch.Main] >>> www Installing OPAM packages. >>> www => opam install --yes crunch cstruct io-page lwt >>> mirage-console-xen mirage-http mirage-net-xen mirage-types mirage-xen re >>> [NOTE] Package re is already installed (current version is 1.2.2). >>> [NOTE] Package mirage-xen is already installed (current version is pinned). >>> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >>> [NOTE] Package mirage-net-xen is already installed (current version is >>> 1.1.2). >>> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >>> [NOTE] Package mirage-console-xen is already installed (current version is >>> 1.0.2). >>> [NOTE] Package lwt is already installed (current version is 2.4.5). >>> [NOTE] Package io-page is already installed (current version is 1.1.1). >>> [NOTE] Package cstruct is already installed (current version is 1.3.1). >>> [NOTE] Package crunch is already installed (current version is 1.3.0). >>> www => ocamlfind query -r -separator ' ' -format %d/%a -predicates >>> native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http >>> mirage-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif >>> tcpip.tcpv4 tcpip.udpv4 >>> www => ocamlobjinfo /usr/lib/ocaml/unix.cmxa >>> /usr/lib/ocaml/bigarray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa >>> /home/mirage/.opam/system/lib/ocplib-endian/ocplib_endian.cmxa >>> /home/mirage/.opam/system/lib/ocplib-endian/bigstring.cmxa >>> /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa >>> /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa >>> /home/mirage/.opam/system/lib/io-page/io_page.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt.cmxa >>> /home/mirage/.opam/system/lib/xenstore/xenstore.cmxa >>> /home/mirage/.opam/system/lib/xenstore/xenstore_client_lwt.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/shared_memory_ring.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/console_ring.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_ring.cmxa >>> /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa >>> /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa >>> /home/mirage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa >>> /home/mirage/.opam/system/lib/mirage-xen/oS.cmxa >>> /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa >>> /home/mirage/.opam/system/lib/re/re.cmxa >>> /home/mirage/.opam/system/lib/re/re_posix.cmxa >>> /home/mirage/.opam/system/lib/stringext/stringext.cmxa >>> /home/mirage/.opam/system/lib/uri/uri.cmxa >>> /home/mirage/.opam/system/lib/re/re_emacs.cmxa >>> /home/mirage/.opam/system/lib/uri/services.cmxa >>> /home/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa >>> /home/mirage/.opam/system/lib/cohttp/cohttp.cmxa >>> /home/mirage/.opam/system/lib/conduit/conduit.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt-unix.cmxa >>> /home/mirage/.opam/system/lib/ssl/ssl.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt-ssl.cmxa >>> /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa >>> /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa >>> /home/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa >>> /home/mirage/.opam/system/lib/tcpip/channel.cmxa >>> /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa >>> /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa >>> /home/mirage/.opam/system/lib/re/re_str.cmxa >>> /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa >>> /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa >>> /home/mirage/.opam/system/lib/tcpip/dhcpv4.cmxa >>> /home/mirage/.opam/system/lib/tcpip/ethif.cmxa >>> /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa >>> /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa >>> >>> www => ocamlfind printconf path >>> www Generating: main.ml >>> www Generating: >>> /home/mirage/mirage-skeleton/xen/static_website+ip/static1.ml >>> www => ocaml-crunch -o static1.ml >>> /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs >>> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend >>> opam install crunch cstruct io-page lwt mirage-console-xen mirage-http >>> mirage-net-xen mirage-types mirage-xen re --verbose >>> [NOTE] Package re is already installed (current version is 1.2.2). >>> [NOTE] Package mirage-xen is already installed (current version is pinned). >>> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >>> [NOTE] Package mirage-net-xen is already installed (current version is >>> 1.1.2). >>> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >>> [NOTE] Package mirage-console-xen is already installed (current version is >>> 1.0.2). >>> [NOTE] Package lwt is already installed (current version is 2.4.5). >>> [NOTE] Package io-page is already installed (current version is 1.1.1). >>> [NOTE] Package cstruct is already installed (current version is 1.3.1). >>> [NOTE] Package crunch is already installed (current version is 1.3.0). >>> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make >>> ocamlbuild -classic-display -use-ocamlfind -pkgs >>> lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-xen,mirage-types,mirage-types.lwt,re.str,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpip.udpv4 >>> -tags "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g >>> -lflags -g,-linkpkg,-dontlink,unix main.native.o >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules main.ml > main.ml.depends >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules static1.mli > static1.mli.depends >>> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmo dispatch.ml >>> + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmo dispatch.ml >>> File "dispatch.ml", line 89, characters 8-16: >>> Warning 26: unused variable callback. >>> File "dispatch.ml", line 94, characters 8-19: >>> Warning 26: unused variable conn_closed. >>> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o static1.cmi static1.mli >>> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o main.cmo main.ml >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules static1.ml > static1.ml.depends >>> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmx dispatch.ml >>> + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmx dispatch.ml >>> File "dispatch.ml", line 89, characters 8-16: >>> Warning 26: unused variable callback. >>> File "dispatch.ml", line 94, characters 8-19: >>> Warning 26: unused variable conn_closed. >>> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o static1.cmx static1.ml >>> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o main.cmx main.ml >>> ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package >>> tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 >>> -package re.str -package mirage-types.lwt -package mirage-types -package >>> mirage-net-xen -package mirage-http -package mirage-console-xen -package lwt >>> -package io-page -package cstruct -package lwt.syntax -syntax camlp4o >>> dispatch.cmx static1.cmx main.cmx -o main.native.o >>> pkg-config --print-errors --exists openlibm 'libminios-xen >= 0.2' >>> ld -d -static -nostdlib --start-group \ >>> $(pkg-config --static --libs openlibm 'libminios-xen >= 0.2') \ >>> _build/main.native.o >>> /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \ >>> /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ >>> -L/usr/lib/ocaml \ >>> -lbigarray \ >>> -L/home/mirage/.opam/system/lib/cstruct \ >>> -lcstruct_stubs \ >>> -L/home/mirage/.opam/system/lib/shared-memory-ring \ >>> -lshared_memory_ring_stubs \ >>> -L/home/mirage/.opam/system/lib/lwt \ >>> -llwt-unix_stubs \ >>> -lpthread \ >>> -L/home/mirage/.opam/system/lib/ssl \ >>> -lssl_stubs \ >>> -lcrypto \ >>> -lssl \ >>> -L/home/mirage/.opam/system/lib/tcpip \ >>> -ltcpip_stubs \ >>> /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ >>> -o mir-www.elf >>> ld: cannot find -lpthread >>> ld: cannot find -lcrypto >>> ld: cannot find -lssl >>> make: *** [build] Error 1 >> >> You can just remove these manually from the Makefile for now. >> >> The other problem you may hit is running out of stack space on the >> larger examples. The Git version of Mini-OS extends the old 16 KB >> stack by 1MB, or you can use the work-around here: >> >> https://github.com/mirage/mirage/issues/274 >> >> >> -- >> Dr Thomas Leonard http://0install.net/ >> GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> > -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 09:39:13 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 09:39:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCQLk-0006c0-Pu; Wed, 30 Jul 2014 09:39:08 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCQLj-0006bs-74 for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 09:39:07 +0000 Received: from [85.158.139.211:6972] by server-17.bemta-5.messagelabs.com id 76/D2-08943-A3DB8D35; Wed, 30 Jul 2014 09:39:06 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1406713143!7940477!1 X-Originating-IP: [209.85.214.180] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19765 invoked from network); 30 Jul 2014 09:39:05 -0000 Received: from mail-ob0-f180.google.com (HELO mail-ob0-f180.google.com) (209.85.214.180) by server-16.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 30 Jul 2014 09:39:05 -0000 Received: by mail-ob0-f180.google.com with SMTP id uy5so340694obc.25 for ; Wed, 30 Jul 2014 02:39:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=zpEL5/UI0cw12yUWz7RryJua4n3iaBvVHGUNH3LssZ0=; b=kAWW0sqM/mg+hbXtwqsJ6KKXOZYp+aGH3dk/Ypt5zY0VTI9OFHa3lraxi5eUzACJh5 M5paREveWQFXGbz/1qeKOpNxdOw0Vnw3CJg5aOjdgvXA/t1u5O/q9QAffwyMjXxGvVK3 SGC8gITIfkWIISo4JsuAiSg07afg3SXFrJSKzvUdsQRmOXUpVH5qAj+z0UPkQQGOwHKz 6PzRlvY6PrMjSwStABeZ8oZr1GtSySG6B4bsSUUlIq9puvqNqoO/Q8Tf5Nnq8cbEPnBQ a33VgL4MPyyLOHyeIufVrVM459k72D7UbE0QTXaODdi3RGIZktVcY7L6/+myMrsKXgyD CGww== MIME-Version: 1.0 X-Received: by 10.182.104.104 with SMTP id gd8mr3726192obb.17.1406713142721; Wed, 30 Jul 2014 02:39:02 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Wed, 30 Jul 2014 02:39:02 -0700 (PDT) In-Reply-To: References: Date: Wed, 30 Jul 2014 10:39:02 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Compiling static_website+ip on Cubieboard2 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 30 July 2014 09:35, Anil Madhavapeddy wrote: > I believe this should be fixed by pinning cohttp and mirage-http to HEAD, > as there was a minor dependency issue that caused the extra Unix libraries > to be pulled in the OS-independent Lwt version. > > opam pin cohttp git://github.com/mirage/ocaml-cohttp > opam pin mirage-http git://github.com/mirage/mirage-http > > We need far too many pins on ARM at the moment and should cut some releases. > Thomas: is the checksum tree in an ok state to send a pull req for? I've added a pull request here: https://github.com/mirage/mirage-tcpip/pull/63 We'll need a new release of mirage first or at the same time. > I'm going to sort out cohttp at a high priority when I'm done with today's > tutorial. > > -anil > > On 29 Jul 2014, at 12:03, Thomas Leonard wrote: > >> On 29 July 2014 10:59, buzz heavyyear wrote: >>> Still having problems with this. I'm building static_website+ip via ssh on >>> the cubieboard and the build complains of not having libssl, libpthread and >>> libssl, even though the libraries are installed (checked via apt-find and >>> apt-get). >>> >>> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ mirage configure >>> --xen >>> Mirage Using scanned config file: config.ml >>> Mirage Processing: >>> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >>> Mirage => rm -rf >>> /home/mirage/mirage-skeleton/xen/static_website+ip/_build/config.* >>> Mirage => cd /home/mirage/mirage-skeleton/xen/static_website+ip && >>> ocamlbuild -use-ocamlfind -tags annot,bin_annot -pkg mirage config.cmxs >>> www Using configuration: >>> /home/mirage/mirage-skeleton/xen/static_website+ip/config.ml >>> www 1 job [Dispatch.Main] >>> www Installing OPAM packages. >>> www => opam install --yes crunch cstruct io-page lwt >>> mirage-console-xen mirage-http mirage-net-xen mirage-types mirage-xen re >>> [NOTE] Package re is already installed (current version is 1.2.2). >>> [NOTE] Package mirage-xen is already installed (current version is pinned). >>> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >>> [NOTE] Package mirage-net-xen is already installed (current version is >>> 1.1.2). >>> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >>> [NOTE] Package mirage-console-xen is already installed (current version is >>> 1.0.2). >>> [NOTE] Package lwt is already installed (current version is 2.4.5). >>> [NOTE] Package io-page is already installed (current version is 1.1.1). >>> [NOTE] Package cstruct is already installed (current version is 1.3.1). >>> [NOTE] Package crunch is already installed (current version is 1.3.0). >>> www => ocamlfind query -r -separator ' ' -format %d/%a -predicates >>> native lwt.syntax cstruct io-page lwt mirage-console-xen mirage-http >>> mirage-net-xen mirage-types mirage-types.lwt re.str tcpip.dhcpv4 tcpip.ethif >>> tcpip.tcpv4 tcpip.udpv4 >>> www => ocamlobjinfo /usr/lib/ocaml/unix.cmxa >>> /usr/lib/ocaml/bigarray.cmxa /home/mirage/.opam/system/lib/bytes/bytes.cmxa >>> /home/mirage/.opam/system/lib/ocplib-endian/ocplib_endian.cmxa >>> /home/mirage/.opam/system/lib/ocplib-endian/bigstring.cmxa >>> /home/mirage/.opam/system/lib/sexplib/sexplib.cmxa >>> /home/mirage/.opam/system/lib/cstruct/cstruct.cmxa >>> /home/mirage/.opam/system/lib/io-page/io_page.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt.cmxa >>> /home/mirage/.opam/system/lib/xenstore/xenstore.cmxa >>> /home/mirage/.opam/system/lib/xenstore/xenstore_client_lwt.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/shared_memory_ring.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/console_ring.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/xenstore_ring.cmxa >>> /home/mirage/.opam/system/lib/shared-memory-ring/lwt_shared_memory_ring.cmxa >>> /home/mirage/.opam/system/lib/mirage-clock-xen/mirage-clock.cmxa >>> /home/mirage/.opam/system/lib/xen-gnt/xen_gnt.cmxa >>> /home/mirage/.opam/system/lib/xen-evtchn/xen_evtchn.cmxa >>> /home/mirage/.opam/system/lib/mirage-xen/oS.cmxa >>> /home/mirage/.opam/system/lib/mirage-console-xen/mirage-console.cmxa >>> /home/mirage/.opam/system/lib/re/re.cmxa >>> /home/mirage/.opam/system/lib/re/re_posix.cmxa >>> /home/mirage/.opam/system/lib/stringext/stringext.cmxa >>> /home/mirage/.opam/system/lib/uri/uri.cmxa >>> /home/mirage/.opam/system/lib/re/re_emacs.cmxa >>> /home/mirage/.opam/system/lib/uri/services.cmxa >>> /home/mirage/.opam/system/lib/fieldslib/fieldslib.cmxa >>> /home/mirage/.opam/system/lib/cohttp/cohttp.cmxa >>> /home/mirage/.opam/system/lib/conduit/conduit.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt-log.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt-unix.cmxa >>> /home/mirage/.opam/system/lib/ssl/ssl.cmxa >>> /home/mirage/.opam/system/lib/lwt/lwt-ssl.cmxa >>> /home/mirage/.opam/system/lib/conduit/conduit-lwt.cmxa >>> /home/mirage/.opam/system/lib/cohttp/cohttp_lwt.cmxa >>> /home/mirage/.opam/system/lib/ipaddr/ipaddr.cmxa >>> /home/mirage/.opam/system/lib/tcpip/channel.cmxa >>> /home/mirage/.opam/system/lib/mirage-http/mirage-http.cmxa >>> /home/mirage/.opam/system/lib/mirage-net-xen/mirage-net-xen.cmxa >>> /home/mirage/.opam/system/lib/re/re_str.cmxa >>> /home/mirage/.opam/system/lib/tcpip/tcpip.cmxa >>> /home/mirage/.opam/system/lib/tcpip/udpv4.cmxa >>> /home/mirage/.opam/system/lib/tcpip/dhcpv4.cmxa >>> /home/mirage/.opam/system/lib/tcpip/ethif.cmxa >>> /home/mirage/.opam/system/lib/tcpip/ipv4.cmxa >>> /home/mirage/.opam/system/lib/tcpip/tcpv4.cmxa >>> >>> www => ocamlfind printconf path >>> www Generating: main.ml >>> www Generating: >>> /home/mirage/mirage-skeleton/xen/static_website+ip/static1.ml >>> www => ocaml-crunch -o static1.ml >>> /home/mirage/mirage-skeleton/xen/static_website+ip/./htdocs >>> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make depend >>> opam install crunch cstruct io-page lwt mirage-console-xen mirage-http >>> mirage-net-xen mirage-types mirage-xen re --verbose >>> [NOTE] Package re is already installed (current version is 1.2.2). >>> [NOTE] Package mirage-xen is already installed (current version is pinned). >>> [NOTE] Package mirage-types is already installed (current version is 1.2.0). >>> [NOTE] Package mirage-net-xen is already installed (current version is >>> 1.1.2). >>> [NOTE] Package mirage-http is already installed (current version is 1.1.0). >>> [NOTE] Package mirage-console-xen is already installed (current version is >>> 1.0.2). >>> [NOTE] Package lwt is already installed (current version is 2.4.5). >>> [NOTE] Package io-page is already installed (current version is 1.1.1). >>> [NOTE] Package cstruct is already installed (current version is 1.3.1). >>> [NOTE] Package crunch is already installed (current version is 1.3.0). >>> mirage@cubie0:~/mirage-skeleton/xen/static_website+ip$ make >>> ocamlbuild -classic-display -use-ocamlfind -pkgs >>> lwt.syntax,cstruct,io-page,lwt,mirage-console-xen,mirage-http,mirage-net-xen,mirage-types,mirage-types.lwt,re.str,tcpip.dhcpv4,tcpip.ethif,tcpip.tcpv4,tcpip.udpv4 >>> -tags "syntax(camlp4o),annot,bin_annot,strict_sequence,principal" -cflag -g >>> -lflags -g,-linkpkg,-dontlink,unix main.native.o >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules main.ml > main.ml.depends >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules dispatch.ml > dispatch.ml.depends >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules static1.mli > static1.mli.depends >>> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmo dispatch.ml >>> + ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmo dispatch.ml >>> File "dispatch.ml", line 89, characters 8-16: >>> Warning 26: unused variable callback. >>> File "dispatch.ml", line 94, characters 8-19: >>> Warning 26: unused variable conn_closed. >>> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o static1.cmi static1.mli >>> ocamlfind ocamlc -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o main.cmo main.ml >>> ocamlfind ocamldep -package tcpip.udpv4 -package tcpip.tcpv4 -package >>> tcpip.ethif -package tcpip.dhcpv4 -package re.str -package mirage-types.lwt >>> -package mirage-types -package mirage-net-xen -package mirage-http -package >>> mirage-console-xen -package lwt -package io-page -package cstruct -package >>> lwt.syntax -syntax camlp4o -modules static1.ml > static1.ml.depends >>> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmx dispatch.ml >>> + ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o dispatch.cmx dispatch.ml >>> File "dispatch.ml", line 89, characters 8-16: >>> Warning 26: unused variable callback. >>> File "dispatch.ml", line 94, characters 8-19: >>> Warning 26: unused variable conn_closed. >>> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o static1.cmx static1.ml >>> ocamlfind ocamlopt -c -g -annot -bin-annot -principal -strict-sequence >>> -package tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package >>> tcpip.dhcpv4 -package re.str -package mirage-types.lwt -package mirage-types >>> -package mirage-net-xen -package mirage-http -package mirage-console-xen >>> -package lwt -package io-page -package cstruct -package lwt.syntax -syntax >>> camlp4o -o main.cmx main.ml >>> ocamlfind ocamlopt -g -linkpkg -dontlink unix -output-obj -package >>> tcpip.udpv4 -package tcpip.tcpv4 -package tcpip.ethif -package tcpip.dhcpv4 >>> -package re.str -package mirage-types.lwt -package mirage-types -package >>> mirage-net-xen -package mirage-http -package mirage-console-xen -package lwt >>> -package io-page -package cstruct -package lwt.syntax -syntax camlp4o >>> dispatch.cmx static1.cmx main.cmx -o main.native.o >>> pkg-config --print-errors --exists openlibm 'libminios-xen >= 0.2' >>> ld -d -static -nostdlib --start-group \ >>> $(pkg-config --static --libs openlibm 'libminios-xen >= 0.2') \ >>> _build/main.native.o >>> /home/mirage/.opam/system/lib/mirage-xen/libocaml.a \ >>> /home/mirage/.opam/system/lib/mirage-xen/libxencaml.a --end-group \ >>> -L/usr/lib/ocaml \ >>> -lbigarray \ >>> -L/home/mirage/.opam/system/lib/cstruct \ >>> -lcstruct_stubs \ >>> -L/home/mirage/.opam/system/lib/shared-memory-ring \ >>> -lshared_memory_ring_stubs \ >>> -L/home/mirage/.opam/system/lib/lwt \ >>> -llwt-unix_stubs \ >>> -lpthread \ >>> -L/home/mirage/.opam/system/lib/ssl \ >>> -lssl_stubs \ >>> -lcrypto \ >>> -lssl \ >>> -L/home/mirage/.opam/system/lib/tcpip \ >>> -ltcpip_stubs \ >>> /usr/lib/gcc/arm-linux-gnueabihf/4.8/libgcc.a \ >>> -o mir-www.elf >>> ld: cannot find -lpthread >>> ld: cannot find -lcrypto >>> ld: cannot find -lssl >>> make: *** [build] Error 1 >> >> You can just remove these manually from the Makefile for now. >> >> The other problem you may hit is running out of stack space on the >> larger examples. The Git version of Mini-OS extends the old 16 KB >> stack by 1MB, or you can use the work-around here: >> >> https://github.com/mirage/mirage/issues/274 >> >> >> -- >> Dr Thomas Leonard http://0install.net/ >> GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >> > -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 10:35:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 10:35:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCREV-0008CJ-58; Wed, 30 Jul 2014 10:35:43 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCREU-0008CE-Do for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 10:35:42 +0000 Received: from [85.158.139.211:52704] by server-1.bemta-5.messagelabs.com id C3/A2-17892-D7AC8D35; Wed, 30 Jul 2014 10:35:41 +0000 X-Env-Sender: tom.jrbrown@yahoo.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1406716538!7486409!1 X-Originating-IP: [98.138.120.51] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12,ML_RADAR_SPEW_LINKS_14,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8752 invoked from network); 30 Jul 2014 10:35:40 -0000 Received: from nm44.bullet.mail.ne1.yahoo.com (HELO nm44.bullet.mail.ne1.yahoo.com) (98.138.120.51) by server-15.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 10:35:40 -0000 Received: from [127.0.0.1] by nm44.bullet.mail.ne1.yahoo.com with NNFMP; 30 Jul 2014 10:35:38 -0000 Received: from [98.138.101.130] by nm44.bullet.mail.ne1.yahoo.com with NNFMP; 30 Jul 2014 10:32:40 -0000 Received: from [212.82.98.49] by tm18.bullet.mail.ne1.yahoo.com with NNFMP; 30 Jul 2014 10:32:40 -0000 Received: from [212.82.98.102] by tm2.bullet.mail.ir2.yahoo.com with NNFMP; 30 Jul 2014 10:32:39 -0000 Received: from [127.0.0.1] by omp1039.mail.ir2.yahoo.com with NNFMP; 30 Jul 2014 10:32:39 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 938785.14555.bm@omp1039.mail.ir2.yahoo.com Received: (qmail 82069 invoked by uid 60001); 30 Jul 2014 10:32:39 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1406716359; bh=muNYZ+a31jniVn5W1fPJYxWEmhDnO/OJF03GyXOluyg=; h=Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type; b=yDslxOHd8i7EGQay//5LCdqSaamP/2DVG3oKSxG/qNXuqs/I2r5z2dIRrbWShK8QB95IlAqWpWg05xkqIq8WC79qsW7YQtj79619Jz965w9bHB2xCpXayIZNu/I33lb2u17wgScwUGeem2XPmg2tdMQNvJurYCBX9K5oIKeVWLw= X-YMail-OSG: HAZ675MVM1mgySZqm9qdQR5yyG4BuznV5c7CxoaqkYwp0pt yngv1aQbiOVaDKmOR22A6Il.ST4jnstOR2gneXEsIydrHWTd25mu5SPNif9i vR80EYXcmpi1QiOqdICF9TGrhes28F72pjAhyBykU_31jjy7DmQCLyBrni8W oKaubrKOpB4ma7JZhKv3Sn33WR5clTkDqKIj4v3beML_TYjpWLKT6ROJ7wea tmTWHZWyn_vwUKmYMNcO2U40cbfW8JO.KIvyBrCrhBXT9v6D.iTKI4H1J04K U_mO6jGTUW4u9wdVintZAqqTx6F.8jhNn3ucCZumSjEU4ECgWqQCJzZLMVjZ 0_a_AaD_mwFE9n.d9iEw7UMeg9BstQt0omiVz77dfXe8Qdq7QmifMy._7VSb _N7rbCFBTwICCm2FswVsmwlQj0IbkLLcfEo3FmKEAcQWhAhkO5F_apKkmmN. OLwpvj_MnP_CytMa1Ivv5gBWlRo.lcQMl.uY43NNllAWeGcS_Oq1gwe6zL6O vx_f6b0Gdk6gvFZbMMN6i Received: from [31.31.76.184] by web172006.mail.ir2.yahoo.com via HTTP; Wed, 30 Jul 2014 11:32:39 BST X-Rocket-MIMEInfo: 002.001, SSBhbSB3cml0aW5nIGEgY2xpZW50IGFwcGxpY2F0aW9uIHRoYXQgY29ubmVjdHMgdG8gYSBzZXJ2ZXIgdGhhdCBpcyBydW5uaW5nIG9uIHRoZSBzYW1lIG1hY2hpbmUuIENsaWVudCBpcCBhZGRyZXNzIGlzIHN0YXRpY2FsbHkgc2V0IHRvIDEwLjAuMC4yICh1c2luZyBJLnNldF9pcHY0KSBhbmQgc2ltaWxhciB0byBvbmUgb2YgbWlyYWdlIG9ubGluZSBkb2N1bWVudHMsIGFuZCBnYXRld2F5IHRvIDEwLjAuMC4xLiBUaGUgaXAgYWRkcmVzcyBmb3IgdGFwMCBpcyBhbHNvIHNldCB0byAxMC4wLjAuMSBvbiB0aGUBMAEBAQE- X-Mailer: YahooMailWebService/0.8.196.685 Message-ID: <1406716359.9108.YahooMailNeo@web172006.mail.ir2.yahoo.com> Date: Wed, 30 Jul 2014 11:32:39 +0100 From: Tom Brown To: "mirageos-devel@lists.xenproject.org" MIME-Version: 1.0 Subject: [MirageOS-devel] Client program connecting to a server on local host X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5363891015615761994==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5363891015615761994== Content-Type: multipart/alternative; boundary="-1282842291-1969341914-1406716359=:9108" ---1282842291-1969341914-1406716359=:9108 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable I am writing a client application that connects to a server that is running= on the same machine. Client ip address is statically set to 10.0.0.2 (usin= g I.set_ipv4) and similar to one of mirage online documents, and gateway to= 10.0.0.1. The ip address for tap0 is also set to 10.0.0.1 on the machine. = Client cannot connect to the listening server. How I can make this interfac= e work?=0A=0AAs another question, do we actually need to assign an ip addre= ss in a different network to the client? Can we make client run as a progra= m on the local machine while it is built over a tap?=0A=0AThanks in advance= .=0A ---1282842291-1969341914-1406716359=:9108 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
I am writing a client application = that connects to a server that is running on the same machine. Client ip ad= dress is statically set to 10.0.0.2 (using I.set_ipv4) and similar to one o= f mirage online documents, and gateway to 10.0.0.1. The ip address for tap0= is also set to 10.0.0.1 on the machine. Client cannot connect to the liste= ning server. How I can make this interface work?

As another question, do we actually need to assign an ip addr= ess in a different network to the client? Can we make client run as a progr= am on the local machine while it is built over a tap?

Thanks in advance.
---1282842291-1969341914-1406716359=:9108-- --===============5363891015615761994== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5363891015615761994==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 10:35:45 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 10:35:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCREV-0008CJ-58; Wed, 30 Jul 2014 10:35:43 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCREU-0008CE-Do for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 10:35:42 +0000 Received: from [85.158.139.211:52704] by server-1.bemta-5.messagelabs.com id C3/A2-17892-D7AC8D35; Wed, 30 Jul 2014 10:35:41 +0000 X-Env-Sender: tom.jrbrown@yahoo.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1406716538!7486409!1 X-Originating-IP: [98.138.120.51] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_30_40,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_12,ML_RADAR_SPEW_LINKS_14,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8752 invoked from network); 30 Jul 2014 10:35:40 -0000 Received: from nm44.bullet.mail.ne1.yahoo.com (HELO nm44.bullet.mail.ne1.yahoo.com) (98.138.120.51) by server-15.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 30 Jul 2014 10:35:40 -0000 Received: from [127.0.0.1] by nm44.bullet.mail.ne1.yahoo.com with NNFMP; 30 Jul 2014 10:35:38 -0000 Received: from [98.138.101.130] by nm44.bullet.mail.ne1.yahoo.com with NNFMP; 30 Jul 2014 10:32:40 -0000 Received: from [212.82.98.49] by tm18.bullet.mail.ne1.yahoo.com with NNFMP; 30 Jul 2014 10:32:40 -0000 Received: from [212.82.98.102] by tm2.bullet.mail.ir2.yahoo.com with NNFMP; 30 Jul 2014 10:32:39 -0000 Received: from [127.0.0.1] by omp1039.mail.ir2.yahoo.com with NNFMP; 30 Jul 2014 10:32:39 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 938785.14555.bm@omp1039.mail.ir2.yahoo.com Received: (qmail 82069 invoked by uid 60001); 30 Jul 2014 10:32:39 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1406716359; bh=muNYZ+a31jniVn5W1fPJYxWEmhDnO/OJF03GyXOluyg=; h=Message-ID:Date:From:Reply-To:Subject:To:MIME-Version:Content-Type; b=yDslxOHd8i7EGQay//5LCdqSaamP/2DVG3oKSxG/qNXuqs/I2r5z2dIRrbWShK8QB95IlAqWpWg05xkqIq8WC79qsW7YQtj79619Jz965w9bHB2xCpXayIZNu/I33lb2u17wgScwUGeem2XPmg2tdMQNvJurYCBX9K5oIKeVWLw= X-YMail-OSG: HAZ675MVM1mgySZqm9qdQR5yyG4BuznV5c7CxoaqkYwp0pt yngv1aQbiOVaDKmOR22A6Il.ST4jnstOR2gneXEsIydrHWTd25mu5SPNif9i vR80EYXcmpi1QiOqdICF9TGrhes28F72pjAhyBykU_31jjy7DmQCLyBrni8W oKaubrKOpB4ma7JZhKv3Sn33WR5clTkDqKIj4v3beML_TYjpWLKT6ROJ7wea tmTWHZWyn_vwUKmYMNcO2U40cbfW8JO.KIvyBrCrhBXT9v6D.iTKI4H1J04K U_mO6jGTUW4u9wdVintZAqqTx6F.8jhNn3ucCZumSjEU4ECgWqQCJzZLMVjZ 0_a_AaD_mwFE9n.d9iEw7UMeg9BstQt0omiVz77dfXe8Qdq7QmifMy._7VSb _N7rbCFBTwICCm2FswVsmwlQj0IbkLLcfEo3FmKEAcQWhAhkO5F_apKkmmN. OLwpvj_MnP_CytMa1Ivv5gBWlRo.lcQMl.uY43NNllAWeGcS_Oq1gwe6zL6O vx_f6b0Gdk6gvFZbMMN6i Received: from [31.31.76.184] by web172006.mail.ir2.yahoo.com via HTTP; Wed, 30 Jul 2014 11:32:39 BST X-Rocket-MIMEInfo: 002.001, SSBhbSB3cml0aW5nIGEgY2xpZW50IGFwcGxpY2F0aW9uIHRoYXQgY29ubmVjdHMgdG8gYSBzZXJ2ZXIgdGhhdCBpcyBydW5uaW5nIG9uIHRoZSBzYW1lIG1hY2hpbmUuIENsaWVudCBpcCBhZGRyZXNzIGlzIHN0YXRpY2FsbHkgc2V0IHRvIDEwLjAuMC4yICh1c2luZyBJLnNldF9pcHY0KSBhbmQgc2ltaWxhciB0byBvbmUgb2YgbWlyYWdlIG9ubGluZSBkb2N1bWVudHMsIGFuZCBnYXRld2F5IHRvIDEwLjAuMC4xLiBUaGUgaXAgYWRkcmVzcyBmb3IgdGFwMCBpcyBhbHNvIHNldCB0byAxMC4wLjAuMSBvbiB0aGUBMAEBAQE- X-Mailer: YahooMailWebService/0.8.196.685 Message-ID: <1406716359.9108.YahooMailNeo@web172006.mail.ir2.yahoo.com> Date: Wed, 30 Jul 2014 11:32:39 +0100 From: Tom Brown To: "mirageos-devel@lists.xenproject.org" MIME-Version: 1.0 Subject: [MirageOS-devel] Client program connecting to a server on local host X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list Reply-To: Tom Brown List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5363891015615761994==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5363891015615761994== Content-Type: multipart/alternative; boundary="-1282842291-1969341914-1406716359=:9108" ---1282842291-1969341914-1406716359=:9108 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable I am writing a client application that connects to a server that is running= on the same machine. Client ip address is statically set to 10.0.0.2 (usin= g I.set_ipv4) and similar to one of mirage online documents, and gateway to= 10.0.0.1. The ip address for tap0 is also set to 10.0.0.1 on the machine. = Client cannot connect to the listening server. How I can make this interfac= e work?=0A=0AAs another question, do we actually need to assign an ip addre= ss in a different network to the client? Can we make client run as a progra= m on the local machine while it is built over a tap?=0A=0AThanks in advance= .=0A ---1282842291-1969341914-1406716359=:9108 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
I am writing a client application = that connects to a server that is running on the same machine. Client ip ad= dress is statically set to 10.0.0.2 (using I.set_ipv4) and similar to one o= f mirage online documents, and gateway to 10.0.0.1. The ip address for tap0= is also set to 10.0.0.1 on the machine. Client cannot connect to the liste= ning server. How I can make this interface work?

As another question, do we actually need to assign an ip addr= ess in a different network to the client? Can we make client run as a progr= am on the local machine while it is built over a tap?

Thanks in advance.
---1282842291-1969341914-1406716359=:9108-- --===============5363891015615761994== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============5363891015615761994==-- From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 12:13:03 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 12:13:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCSke-0002Wz-Sq; Wed, 30 Jul 2014 12:13:00 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCSkd-0002Wu-Nh for mirageos-devel@lists.xenproject.org; Wed, 30 Jul 2014 12:12:59 +0000 Received: from [193.109.254.147:8562] by server-14.bemta-14.messagelabs.com id 58/7D-02763-A41E8D35; 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Wed, 30 Jul 2014 05:12:57 -0700 (PDT) Received: by 10.217.131.18 with HTTP; Wed, 30 Jul 2014 05:12:57 -0700 (PDT) In-Reply-To: References: Date: Wed, 30 Jul 2014 13:12:57 +0100 Message-ID: From: Jeremy Yallop To: cam-compiler-hacking@lists.ocaml.org, "cl-ocamllabs@lists.cam.ac.uk" , "cl-ocamllabs-staff@lists.cam.ac.uk" , "mirageos-devel@lists.xenproject.org" , netos@cl.cam.ac.uk Subject: Re: [MirageOS-devel] OCaml compiler hacking next Friday (1st Aug) at Citrix X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org UmVtaW5kZXI6IGl0J3MgY29tcGlsZXIgaGFja2luZyB0aGlzIEZyaWRheSEgIElmIHlvdSdyZSBw bGFubmluZyB0bwpjb21lLCBidXQgeWV0IGhhdmVuJ3Qgc2lnbmVkIHVwLCBwbGVhc2UgYWRkIHlv dXIgbmFtZSB0byB0aGUgRG9vZGxlCnBvbGw6CgogICBodHRwOi8vZG9vZGxlLmNvbS80NmYyYm5r NHhueTcyNGluCgpPbiAyNCBKdWx5IDIwMTQgMDg6NDgsIEplcmVteSBZYWxsb3AgPHlhbGxvcEBn bWFpbC5jb20+IHdyb3RlOgo+IFRoZSBuZXh0IENhbWJyaWRnZSBPQ2FtbCBjb21waWxlciBoYWNr aW5nIHNlc3Npb24gd2lsbCBiZSBuZXh0IEZyaWRheQo+IGV2ZW5pbmcgKDFzdCBBdWd1c3QpIGF0 IENpdHJpeCdzIG9mZmljZSBpbiB0aGUgU2NpZW5jZSBQYXJrLgo+Cj4gV2UnbGwgc3RhcnQgYXQg Ni4zMHBtIHdpdGggYSBkZW1vIG9mIG1vZHVsYXIgaW1wbGljaXRzCj4gKE9DYW1sLWZsYXZvdXJl ZCBvdmVybG9hZGluZykgYnkgRnLDqWTDqXJpYyBCb3VyIQo+Cj4gQWxsIHdlbGNvbWU6IGlmIHlv dSdyZSBsb2NhbCB0byBDYW1icmlkZ2UgYW5kIGludGVyZXN0ZWQgaW4KPiBjb250cmlidXRpbmcg dG8gdGhlIE9DYW1sIGNvbXBpbGVyLCBwbGVhc2UgY29tZSBhbG9uZyEgIEZ1cnRoZXIKPiBkZXRh aWxzIGFyZSBvbiB0aGUgYmxvZzoKPgo+ICAgaHR0cDovL29jYW1sbGFicy5naXRodWIuaW8vY29t cGlsZXItaGFja2luZy8yMDE0LzA3LzI0L2NvbXBpbGVyLWhhY2tpbmctYXQtY2l0cml4Lmh0bWwK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9T LWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpo dHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Wed Jul 30 12:13:03 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 30 Jul 2014 12:13:03 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCSke-0002Wz-Sq; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org UmVtaW5kZXI6IGl0J3MgY29tcGlsZXIgaGFja2luZyB0aGlzIEZyaWRheSEgIElmIHlvdSdyZSBw bGFubmluZyB0bwpjb21lLCBidXQgeWV0IGhhdmVuJ3Qgc2lnbmVkIHVwLCBwbGVhc2UgYWRkIHlv dXIgbmFtZSB0byB0aGUgRG9vZGxlCnBvbGw6CgogICBodHRwOi8vZG9vZGxlLmNvbS80NmYyYm5r NHhueTcyNGluCgpPbiAyNCBKdWx5IDIwMTQgMDg6NDgsIEplcmVteSBZYWxsb3AgPHlhbGxvcEBn bWFpbC5jb20+IHdyb3RlOgo+IFRoZSBuZXh0IENhbWJyaWRnZSBPQ2FtbCBjb21waWxlciBoYWNr aW5nIHNlc3Npb24gd2lsbCBiZSBuZXh0IEZyaWRheQo+IGV2ZW5pbmcgKDFzdCBBdWd1c3QpIGF0 IENpdHJpeCdzIG9mZmljZSBpbiB0aGUgU2NpZW5jZSBQYXJrLgo+Cj4gV2UnbGwgc3RhcnQgYXQg Ni4zMHBtIHdpdGggYSBkZW1vIG9mIG1vZHVsYXIgaW1wbGljaXRzCj4gKE9DYW1sLWZsYXZvdXJl ZCBvdmVybG9hZGluZykgYnkgRnLDqWTDqXJpYyBCb3VyIQo+Cj4gQWxsIHdlbGNvbWU6IGlmIHlv dSdyZSBsb2NhbCB0byBDYW1icmlkZ2UgYW5kIGludGVyZXN0ZWQgaW4KPiBjb250cmlidXRpbmcg dG8gdGhlIE9DYW1sIGNvbXBpbGVyLCBwbGVhc2UgY29tZSBhbG9uZyEgIEZ1cnRoZXIKPiBkZXRh aWxzIGFyZSBvbiB0aGUgYmxvZzoKPgo+ICAgaHR0cDovL29jYW1sbGFicy5naXRodWIuaW8vY29t cGlsZXItaGFja2luZy8yMDE0LzA3LzI0L2NvbXBpbGVyLWhhY2tpbmctYXQtY2l0cml4Lmh0bWwK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9T LWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpo dHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Thu Jul 31 10:44:17 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 31 Jul 2014 10:44:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCnqF-00024I-KQ; Thu, 31 Jul 2014 10:44:11 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCnqE-00024D-9y for mirageos-devel@lists.xenproject.org; Thu, 31 Jul 2014 10:44:10 +0000 Received: from [85.158.137.68:33422] by server-12.bemta-3.messagelabs.com id 32/84-02460-9FD1AD35; Thu, 31 Jul 2014 10:44:09 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1406803447!10988269!1 X-Originating-IP: [209.85.214.171] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25827 invoked from network); 31 Jul 2014 10:44:08 -0000 Received: from mail-ob0-f171.google.com (HELO mail-ob0-f171.google.com) (209.85.214.171) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 31 Jul 2014 10:44:08 -0000 Received: by mail-ob0-f171.google.com with SMTP id wm4so1428370obc.2 for ; Thu, 31 Jul 2014 03:44:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=yeNAzoptr2nqn9YtaQtMAuYCTNn7KmRJlU/TysvlHPg=; b=0uSDaBPBf0bqmfnfqx7n2zRk5a4VHO4WQNJ9YWdlAOIO9y1q5X63J+BYUgtmasG+o5 vja5MFslIcofE4v8gvWM3DUtsxOJMKFMtNpa5jwAC98MKBTO3S6zEfAJ4egnAOcTOOtk 5FLDxYPMoEJI2TcwydqxMN+ACrrX3LlCmXvVYy3RifaBxEmu6vXFN3IQUjIZxLRYYxxU l3E5SGw0g4WDx9dF6wNrGKOSps4FG9y0Hoj6awsS47cuj/kOnXD3SLOXI1qi7dB3OTJY P49fXodzpYOaMwUUrIU6tuw6CS/5CvcaK+87cUycNgRkJnaS/6DXrEjA+dfhk2DHQ/pq +bKA== MIME-Version: 1.0 X-Received: by 10.182.114.131 with SMTP id jg3mr4899169obb.9.1406803446229; Thu, 31 Jul 2014 03:44:06 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 31 Jul 2014 03:44:06 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Thu, 31 Jul 2014 11:44:06 +0100 Message-ID: From: Thomas Leonard To: David Scott Cc: David Scott , "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 26 July 2014 10:27, David Scott wrote: > > > On Saturday, July 26, 2014, Anil Madhavapeddy wrote: >> >> On 25 Jul 2014, at 04:54, Thomas Leonard wrote: >> > >> > Here's a slightly better work-around: >> > >> > >> > https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad >> > >> > It changes the TCP packet splitting code so that the second part of >> > the page is copied to a new IO page. This avoids sending the same >> > physical page to Linux twice (which is what doesn't work). >> > >> > With this, the previous hack can be reverted. >> > >> > In my testing, this increased the streaming TCP download speed from 56 >> > KB/s to 3.9 MB/s on the CubieTruck. >> >> This is certainly a fix that works, but I'm loath to insert an unnecessary >> copy in the TCP stack just because of a limitation in Xen/ARM (that will >> go >> away in Xen 4.5, I expect). >> >> Could we keep track of the active grants in the Gnttab libary, and force a >> page duplication at that point instead? That would fix it for any other >> Cstruct consumers as well, and be a more logical place to insert Xen >> version detection in the future to remove the extra copy if not needed. > > > If the problem is granting the same page twice, would it be enough to > maintain a map of page address to (grant index * refount), and then > "grant_access" could return the existing grant id and bump the refcount? I > think we just need to share the grant, rather than duplicate the page. (Is > that right?) How would that fit in with the current API? It looks like you first allocate a gntref (an int) and then use that to share the page: val get : unit -> gntref Lwt.t val grant_access : domid:int -> writable:bool -> gntref -> Io_page.t -> unit -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 31 10:44:17 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 31 Jul 2014 10:44:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCnqF-00024I-KQ; Thu, 31 Jul 2014 10:44:11 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCnqE-00024D-9y for mirageos-devel@lists.xenproject.org; Thu, 31 Jul 2014 10:44:10 +0000 Received: from [85.158.137.68:33422] by server-12.bemta-3.messagelabs.com id 32/84-02460-9FD1AD35; Thu, 31 Jul 2014 10:44:09 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1406803447!10988269!1 X-Originating-IP: [209.85.214.171] X-SpamReason: No, hits=0.3 required=7.0 tests=ML_RADAR_SPEW_LINKS_14, ML_RADAR_SPEW_LINKS_23,RCVD_BY_IP,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25827 invoked from network); 31 Jul 2014 10:44:08 -0000 Received: from mail-ob0-f171.google.com (HELO mail-ob0-f171.google.com) (209.85.214.171) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 31 Jul 2014 10:44:08 -0000 Received: by mail-ob0-f171.google.com with SMTP id wm4so1428370obc.2 for ; Thu, 31 Jul 2014 03:44:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=yeNAzoptr2nqn9YtaQtMAuYCTNn7KmRJlU/TysvlHPg=; b=0uSDaBPBf0bqmfnfqx7n2zRk5a4VHO4WQNJ9YWdlAOIO9y1q5X63J+BYUgtmasG+o5 vja5MFslIcofE4v8gvWM3DUtsxOJMKFMtNpa5jwAC98MKBTO3S6zEfAJ4egnAOcTOOtk 5FLDxYPMoEJI2TcwydqxMN+ACrrX3LlCmXvVYy3RifaBxEmu6vXFN3IQUjIZxLRYYxxU l3E5SGw0g4WDx9dF6wNrGKOSps4FG9y0Hoj6awsS47cuj/kOnXD3SLOXI1qi7dB3OTJY P49fXodzpYOaMwUUrIU6tuw6CS/5CvcaK+87cUycNgRkJnaS/6DXrEjA+dfhk2DHQ/pq +bKA== MIME-Version: 1.0 X-Received: by 10.182.114.131 with SMTP id jg3mr4899169obb.9.1406803446229; Thu, 31 Jul 2014 03:44:06 -0700 (PDT) Received: by 10.76.92.5 with HTTP; Thu, 31 Jul 2014 03:44:06 -0700 (PDT) In-Reply-To: References: <36D06E0F-8336-4142-80BF-29586554A9C5@nottingham.ac.uk> <53088F2B-1AC3-4D35-BB37-247337690798@nottingham.ac.uk> <5BD43696-D536-4690-A628-98C88C1A0479@citrix.com> <90A2FFCA-A5F3-44A4-AC9F-F31C1B04AD6E@recoil.org> <46605CC2-8C25-460E-9963-76DDC59B6802@recoil.org> <1C889C81-6EAA-4A21-AE47-6D825F6E93FB@citrix.com> Date: Thu, 31 Jul 2014 11:44:06 +0100 Message-ID: From: Thomas Leonard To: David Scott Cc: David Scott , "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] wireshark capture of failed download from mirage-www on ARM X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org On 26 July 2014 10:27, David Scott wrote: > > > On Saturday, July 26, 2014, Anil Madhavapeddy wrote: >> >> On 25 Jul 2014, at 04:54, Thomas Leonard wrote: >> > >> > Here's a slightly better work-around: >> > >> > >> > https://github.com/talex5/mirage-tcpip/commit/9f7e0a628ebd1cece7d0fb979273a96be78233ad >> > >> > It changes the TCP packet splitting code so that the second part of >> > the page is copied to a new IO page. This avoids sending the same >> > physical page to Linux twice (which is what doesn't work). >> > >> > With this, the previous hack can be reverted. >> > >> > In my testing, this increased the streaming TCP download speed from 56 >> > KB/s to 3.9 MB/s on the CubieTruck. >> >> This is certainly a fix that works, but I'm loath to insert an unnecessary >> copy in the TCP stack just because of a limitation in Xen/ARM (that will >> go >> away in Xen 4.5, I expect). >> >> Could we keep track of the active grants in the Gnttab libary, and force a >> page duplication at that point instead? That would fix it for any other >> Cstruct consumers as well, and be a more logical place to insert Xen >> version detection in the future to remove the extra copy if not needed. > > > If the problem is granting the same page twice, would it be enough to > maintain a map of page address to (grant index * refount), and then > "grant_access" could return the existing grant id and bump the refcount? I > think we just need to share the grant, rather than duplicate the page. (Is > that right?) How would that fit in with the current API? It looks like you first allocate a gntref (an int) and then use that to share the page: val get : unit -> gntref Lwt.t val grant_access : domid:int -> writable:bool -> gntref -> Io_page.t -> unit -- Dr Thomas Leonard http://0install.net/ GPG: 9242 9807 C985 3C07 44A6 8B9A AE07 8280 59A5 3CC1 GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel From mirageos-devel-bounces@lists.xenproject.org Thu Jul 31 12:16:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 31 Jul 2014 12:16:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCpHJ-00057p-K5; Thu, 31 Jul 2014 12:16:13 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCpHI-00057k-DM for mirageos-devel@lists.xenproject.org; Thu, 31 Jul 2014 12:16:12 +0000 Received: from [85.158.139.211:45587] by server-12.bemta-5.messagelabs.com id 47/26-22251-B833AD35; Thu, 31 Jul 2014 12:16:11 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-5.tower-206.messagelabs.com!1406808971!11079429!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2209 invoked from network); 31 Jul 2014 12:16:11 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-5.tower-206.messagelabs.com with SMTP; 31 Jul 2014 12:16:11 -0000 Received: (qmail 10562 invoked from network); 31 Jul 2014 12:16:10 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 31 Jul 2014 12:16:10 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 07679-09 for ; Thu, 31 Jul 2014 13:16:03 +0100 (BST) Received: (qmail 10348 invoked by uid 599); 31 Jul 2014 12:16:03 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 31 Jul 2014 13:16:03 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XCpCI-0007aU-I8; Thu, 31 Jul 2014 13:11:02 +0100 From: Richard Mortier To: Tom Brown Date: Thu, 31 Jul 2014 13:11:01 +0100 Thread-Topic: [MirageOS-devel] Client program connecting to a server on local host Thread-Index: Ac+suH5ihVhnk8ERRlKd0KLL3zfUrA== Message-ID: <735A84E9-F28A-49F4-896B-BD13695883B9@nottingham.ac.uk> References: <1406716359.9108.YahooMailNeo@web172006.mail.ir2.yahoo.com> In-Reply-To: <1406716359.9108.YahooMailNeo@web172006.mail.ir2.yahoo.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Client program connecting to a server on local host X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4664848304703276309==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4664848304703276309== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii hi; On 30 Jul 2014, at 12:32, Tom Brown wrote: > I am writing a client application that connects to a server that is = running on the same machine. Client ip address is statically set to = 10.0.0.2 (using I.set_ipv4) and similar to one of mirage online = documents, and gateway to 10.0.0.1. The ip address for tap0 is also set = to 10.0.0.1 on the machine. Client cannot connect to the listening = server. How I can make this interface work? a bit more detail would be useful -- what address is the server bound = to? is your code online? what platform are you on? what output do you = actually get? have you tried tcpdump on the various interfaces = involved? > As another question, do we actually need to assign an ip address in a = different network to the client? Can we make client run as a program on = the local machine while it is built over a tap? sorry-- not sure i understand the question: if you're building the = client as a an application using the unix/direct backend then it is = running as a program on the local machine using the tap, isn't it? --=20 Cheers, R. --Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT2hu9AAoJEOLF27JWwSg33z8P/0VZdwiP87k58hqKbyKIJNUX TB28TYv6mlX6UHXW3LJslQue1zWN6DFSTtmbJscoBcNjlW2/vbmPvkCsXg2fqPau 9+uoztINz9jEABJuvvMTohHjRNtJGD1CV5+G8ExPVEyo0KkkX+KRvtMlyOWEyGgK MVJvdVwkjf7d3wKH8ujM7reXb/TDxPlIOdJRu5NUcOeA4S8HRptsiO5f8c25RCVM xm7QC0lnzSE7e2bYs2uu7Exryvm+3Un719cFynNZZ91mb/6auNNU8UJjFGob6XCF 6yks23Fh3KMr9ULM3FatcKMWUD+btGu/VTqRFfAk8IolSvbsEum56IA8R/7RWpsR KyMfXBjXhzvjUKGaLB7EqryMjKPao3MC3KgdhLCDYoFuZ3+lke8kkM4m7gEo3TZi /XsQiOdJIO3dPgr4xqGLRCSHR/SKfNh1kH4clnIWd/Tu8DWf/zlSZfAdD9zVC0hS yaoP+Q6D37jpsRZugq99fFoVaZooYlalA55mMyRkx3BFhFhaZlEYWFm7HRsNXdLu dU3FhCBFLIY8GvXcFdtRQ4KBF08Px/yuD1bn7KOOUsDOC/3YLDSwJ869Su40Rn4J 0Op14DZBtHxh5QFxmiKgUjN7rYKf3eZtGnFs7R205vEs2+1b2W99sajpn5MjcV6X 79GuZR2DpyCi4kY7diCf =qHpQ -----END PGP SIGNATURE----- --Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233-- --===============4664848304703276309== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4664848304703276309==-- From mirageos-devel-bounces@lists.xenproject.org Thu Jul 31 12:16:18 2014 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 31 Jul 2014 12:16:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCpHJ-00057p-K5; Thu, 31 Jul 2014 12:16:13 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XCpHI-00057k-DM for mirageos-devel@lists.xenproject.org; Thu, 31 Jul 2014 12:16:12 +0000 Received: from [85.158.139.211:45587] by server-12.bemta-5.messagelabs.com id 47/26-22251-B833AD35; Thu, 31 Jul 2014 12:16:11 +0000 X-Env-Sender: Richard.Mortier@nottingham.ac.uk X-Msg-Ref: server-5.tower-206.messagelabs.com!1406808971!11079429!1 X-Originating-IP: [93.95.15.169] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.11.3; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2209 invoked from network); 31 Jul 2014 12:16:11 -0000 Received: from engine01-20433-1.icritical.com (HELO engine01-20433-1.icritical.com) (93.95.15.169) by server-5.tower-206.messagelabs.com with SMTP; 31 Jul 2014 12:16:11 -0000 Received: (qmail 10562 invoked from network); 31 Jul 2014 12:16:10 -0000 Received: from localhost (127.0.0.1) by engine01-20433-1.icritical.com with SMTP; 31 Jul 2014 12:16:10 -0000 Received: from engine01-20433-1.icritical.com ([127.0.0.1]) by localhost (engine01-20433-1.icritical.com [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 07679-09 for ; Thu, 31 Jul 2014 13:16:03 +0100 (BST) Received: (qmail 10348 invoked by uid 599); 31 Jul 2014 12:16:03 -0000 Received: from unknown (HELO smtp3.nottingham.ac.uk) (128.243.44.55) by engine01-20433-1.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 31 Jul 2014 13:16:03 +0100 Received: from uiwexhub02.ad.nottingham.ac.uk ([128.243.15.132]) by smtp3.nottingham.ac.uk with esmtps (TLSv1:AES128-SHA:128) (Exim 4.77) (envelope-from ) id 1XCpCI-0007aU-I8; Thu, 31 Jul 2014 13:11:02 +0100 From: Richard Mortier To: Tom Brown Date: Thu, 31 Jul 2014 13:11:01 +0100 Thread-Topic: [MirageOS-devel] Client program connecting to a server on local host Thread-Index: Ac+suH5ihVhnk8ERRlKd0KLL3zfUrA== Message-ID: <735A84E9-F28A-49F4-896B-BD13695883B9@nottingham.ac.uk> References: <1406716359.9108.YahooMailNeo@web172006.mail.ir2.yahoo.com> In-Reply-To: <1406716359.9108.YahooMailNeo@web172006.mail.ir2.yahoo.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: yes X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB MIME-Version: 1.0 X-Virus-Scanned: by iCritical at engine01-20433-1.icritical.com Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Client program connecting to a server on local host X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Developer list for MirageOS List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============4664848304703276309==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4664848304703276309== Content-Language: en-US Content-Type: multipart/signed; boundary="Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233"; protocol="application/pgp-signature"; micalg=pgp-sha512 --Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii hi; On 30 Jul 2014, at 12:32, Tom Brown wrote: > I am writing a client application that connects to a server that is = running on the same machine. Client ip address is statically set to = 10.0.0.2 (using I.set_ipv4) and similar to one of mirage online = documents, and gateway to 10.0.0.1. The ip address for tap0 is also set = to 10.0.0.1 on the machine. Client cannot connect to the listening = server. How I can make this interface work? a bit more detail would be useful -- what address is the server bound = to? is your code online? what platform are you on? what output do you = actually get? have you tried tcpdump on the various interfaces = involved? > As another question, do we actually need to assign an ip address in a = different network to the client? Can we make client run as a program on = the local machine while it is built over a tap? sorry-- not sure i understand the question: if you're building the = client as a an application using the unix/direct backend then it is = running as a program on the local machine using the tap, isn't it? --=20 Cheers, R. --Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="signature.asc" Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJT2hu9AAoJEOLF27JWwSg33z8P/0VZdwiP87k58hqKbyKIJNUX TB28TYv6mlX6UHXW3LJslQue1zWN6DFSTtmbJscoBcNjlW2/vbmPvkCsXg2fqPau 9+uoztINz9jEABJuvvMTohHjRNtJGD1CV5+G8ExPVEyo0KkkX+KRvtMlyOWEyGgK MVJvdVwkjf7d3wKH8ujM7reXb/TDxPlIOdJRu5NUcOeA4S8HRptsiO5f8c25RCVM xm7QC0lnzSE7e2bYs2uu7Exryvm+3Un719cFynNZZ91mb/6auNNU8UJjFGob6XCF 6yks23Fh3KMr9ULM3FatcKMWUD+btGu/VTqRFfAk8IolSvbsEum56IA8R/7RWpsR KyMfXBjXhzvjUKGaLB7EqryMjKPao3MC3KgdhLCDYoFuZ3+lke8kkM4m7gEo3TZi /XsQiOdJIO3dPgr4xqGLRCSHR/SKfNh1kH4clnIWd/Tu8DWf/zlSZfAdD9zVC0hS yaoP+Q6D37jpsRZugq99fFoVaZooYlalA55mMyRkx3BFhFhaZlEYWFm7HRsNXdLu dU3FhCBFLIY8GvXcFdtRQ4KBF08Px/yuD1bn7KOOUsDOC/3YLDSwJ869Su40Rn4J 0Op14DZBtHxh5QFxmiKgUjN7rYKf3eZtGnFs7R205vEs2+1b2W99sajpn5MjcV6X 79GuZR2DpyCi4kY7diCf =qHpQ -----END PGP SIGNATURE----- --Apple-Mail=_3C1EE3DA-20CD-4BCA-AA8F-15B257481233-- --===============4664848304703276309== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --===============4664848304703276309==--