From mirageos-devel-bounces@lists.xenproject.org Thu Oct 01 06:45:16 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 06:45:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhXc5-0007ju-N0; Thu, 01 Oct 2015 06:45:09 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhXc3-0007jf-Op for MirageOS-devel@lists.xenproject.org; Thu, 01 Oct 2015 06:45:07 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 81/71-16965-376DC065; Thu, 01 Oct 2015 06:45:07 +0000 X-Env-Sender: wmhaddad@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1443681903!12296078!1 X-Originating-IP: [209.85.218.45] X-SpamReason: No, hits=2.5 required=7.0 tests=HTML_40_50,HTML_MESSAGE, HTML_SHORT_LENGTH,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1773 invoked from network); 1 Oct 2015 06:45:04 -0000 Received: from mail-oi0-f45.google.com (HELO mail-oi0-f45.google.com) (209.85.218.45) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 1 Oct 2015 06:45:04 -0000 Received: by oiww128 with SMTP id w128so35601698oiw.2 for ; Wed, 30 Sep 2015 23:45:03 -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=K7GW2XsBEthvmhirU1Gvu7nueASweQ6mpr4buQH5p2A=; b=VHcrmOTwESy0tqkHoHgCbRl7HuvDAkR8aCFpbxihS8iSD9pT4ZTecn+McYC7tamSYg X62+lKThf31csFCHPbAMw9qC8JU7YshmL4u2CnPtbYRvf43JxOaQnzC583n3d+JJY96W h3olnm3Gve1TWu7kaBZDU1yPNZgyjo0mwQE5/pI1P/CxEhIGTgsDtp7MA6qnirQ89b55 lHPi6ScHksJHoTEKTlLz2ExehI1nTXr/8IL3vPaeyyC2+K2mTT2+DjRKh5I8dPVh5mjl wtpD6RsSuhSTfkQC6egpWF/0gJ8+8cMW4WwD1bt+z5yuU2rk2AZ1CO0EHM82nF1x8aMx cd0w== MIME-Version: 1.0 X-Received: by 10.202.232.12 with SMTP id f12mr4252335oih.122.1443681903541; Wed, 30 Sep 2015 23:45:03 -0700 (PDT) Received: by 10.202.170.23 with HTTP; Wed, 30 Sep 2015 23:45:03 -0700 (PDT) Date: Wed, 30 Sep 2015 23:45:03 -0700 Message-ID: From: Wassim Haddad To: MirageOS-devel@lists.xenproject.org Subject: [MirageOS-devel] Netmap X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============7275849522688842306==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7275849522688842306== Content-Type: multipart/alternative; boundary=001a11408b6e07821405210563e1 --001a11408b6e07821405210563e1 Content-Type: text/plain; charset=UTF-8 Dear all, Does Mirage support Netmap framework? Regards, Wassim H. --001a11408b6e07821405210563e1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Dear all,

Does Mirage=C2=A0support=C2=A0Netmap framework= ?=C2=A0


Regards,
Wassim H= .

--001a11408b6e07821405210563e1-- --===============7275849522688842306== 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 --===============7275849522688842306==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 01 06:45:16 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 06:45:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhXc5-0007ju-N0; Thu, 01 Oct 2015 06:45:09 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhXc3-0007jf-Op for MirageOS-devel@lists.xenproject.org; Thu, 01 Oct 2015 06:45:07 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 81/71-16965-376DC065; Thu, 01 Oct 2015 06:45:07 +0000 X-Env-Sender: wmhaddad@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1443681903!12296078!1 X-Originating-IP: [209.85.218.45] X-SpamReason: No, hits=2.5 required=7.0 tests=HTML_40_50,HTML_MESSAGE, HTML_SHORT_LENGTH,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1773 invoked from network); 1 Oct 2015 06:45:04 -0000 Received: from mail-oi0-f45.google.com (HELO mail-oi0-f45.google.com) (209.85.218.45) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 1 Oct 2015 06:45:04 -0000 Received: by oiww128 with SMTP id w128so35601698oiw.2 for ; Wed, 30 Sep 2015 23:45:03 -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=K7GW2XsBEthvmhirU1Gvu7nueASweQ6mpr4buQH5p2A=; b=VHcrmOTwESy0tqkHoHgCbRl7HuvDAkR8aCFpbxihS8iSD9pT4ZTecn+McYC7tamSYg X62+lKThf31csFCHPbAMw9qC8JU7YshmL4u2CnPtbYRvf43JxOaQnzC583n3d+JJY96W h3olnm3Gve1TWu7kaBZDU1yPNZgyjo0mwQE5/pI1P/CxEhIGTgsDtp7MA6qnirQ89b55 lHPi6ScHksJHoTEKTlLz2ExehI1nTXr/8IL3vPaeyyC2+K2mTT2+DjRKh5I8dPVh5mjl wtpD6RsSuhSTfkQC6egpWF/0gJ8+8cMW4WwD1bt+z5yuU2rk2AZ1CO0EHM82nF1x8aMx cd0w== MIME-Version: 1.0 X-Received: by 10.202.232.12 with SMTP id f12mr4252335oih.122.1443681903541; Wed, 30 Sep 2015 23:45:03 -0700 (PDT) Received: by 10.202.170.23 with HTTP; Wed, 30 Sep 2015 23:45:03 -0700 (PDT) Date: Wed, 30 Sep 2015 23:45:03 -0700 Message-ID: From: Wassim Haddad To: MirageOS-devel@lists.xenproject.org Subject: [MirageOS-devel] Netmap X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============7275849522688842306==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7275849522688842306== Content-Type: multipart/alternative; boundary=001a11408b6e07821405210563e1 --001a11408b6e07821405210563e1 Content-Type: text/plain; charset=UTF-8 Dear all, Does Mirage support Netmap framework? Regards, Wassim H. --001a11408b6e07821405210563e1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Dear all,

Does Mirage=C2=A0support=C2=A0Netmap framework= ?=C2=A0


Regards,
Wassim H= .

--001a11408b6e07821405210563e1-- --===============7275849522688842306== 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 --===============7275849522688842306==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 01 08:43:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 08:43:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhZSk-0005fS-72; Thu, 01 Oct 2015 08:43:38 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhZSj-0005fN-3v for mirageos-devel@lists.xenproject.org; Thu, 01 Oct 2015 08:43:37 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id 59/5B-19220-832FC065; Thu, 01 Oct 2015 08:43:36 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1443689014!39094531!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26494 invoked from network); 1 Oct 2015 08:43:35 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 1 Oct 2015 08:43:35 -0000 Received: by vkfp126 with SMTP id p126so35504530vkf.3 for ; Thu, 01 Oct 2015 01:43:34 -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:content-transfer-encoding; bh=4g4hFZfSc7rRKYgWrcKEzEV1YBkqjzd6QcKKicLPTRo=; b=nNIm+bd2XjM/mXP+Jd/dfuIGn4E2mzeTuGBXna/E+Md/rs2T++cscXRGfCciW2QVj8 zKNzcB7lRoK4mBwgAWmjm/VPBEE3Jq+20EMYPGc2SuxNe0Zwm0pPnbjgRNmF4vdM6G1c SU4q33xB3vvshsDO0VhGt2jv/CJCqq+LQL5Yh1Zwrt1nZSJDLHkp6cmuCwIzbLmRVkp2 dX0U/jzX5eTzhslOUM+JCVfqLCmYPpHca0nILBPIKGiDGrkFdvH6zfWFs3ozUi2/yA3P 7EzbMYAXgY5kc3hc5rhZEDoqIOg92P/hKt+K3CMUoE8HEMhrtVbN/STjWr4FkOV0W4Fk Ja0g== MIME-Version: 1.0 X-Received: by 10.31.56.140 with SMTP id f134mr5859696vka.108.1443689014454; Thu, 01 Oct 2015 01:43:34 -0700 (PDT) Received: by 10.31.69.4 with HTTP; Thu, 1 Oct 2015 01:43:34 -0700 (PDT) In-Reply-To: <9A417FA9-61E4-4355-9237-DBC96C476B61@cam.ac.uk> References: <62270632-DE76-48CD-9D80-D3E0040FB595@cam.ac.uk> <560C0234.8090809@zoho.com> <814E7093-88E4-40A4-A10F-359ED0E9E061@somerandomidiot.com> <9A417FA9-61E4-4355-9237-DBC96C476B61@cam.ac.uk> Date: Thu, 1 Oct 2015 10:43:34 +0200 Message-ID: From: Thomas Leonard To: Amir Chaudhry Cc: mirageos-devel Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 30th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 V2h5IG9ubHkgcHJpdmF0ZSByZXBsaWVzPyBQZW9wbGUgb24gdGhlIGxpc3Qgc2hvdWxkIGJlIGFi bGUgdG8gY29tbWVudApvbiBzdWdnZXN0aW9ucyB0b28sIElNTy4gUGVyc29uYWxseSwgSSB0aG91 Z2h0IEhhbmdvdXRzIHdvcmtlZCBwcmV0dHkKd2VsbC4gV2Ugc2VlbSB0byBnZXQgbW9yZSBwZW9w bGUgam9pbmluZyB0aGUgaGFuZ291dHMgdGhhbiB3ZSBkbyB3aGVuCndlIHVzZSBHb3RvTWVldGlu ZywgSSBkb24ndCBuZWVkIHRvIHJ1biBhIFdpbmRvd3MgVk0gdG8gam9pbiwgYW5kIHRoZQpwaWN0 dXJlIHF1YWxpdHkgaXMgYmV0dGVyLiBUaGUgbmVlZCBmb3IgYSBHb29nbGUgYWNjb3VudCBhbmQK aW5zdGFsbGluZyBhIHBsdWdpbiBpcyBhbm5veWluZywgdGhvdWdoLgoKT24gMzAgU2VwdGVtYmVy IDIwMTUgYXQgMTg6MDQsIEFtaXIgQ2hhdWRocnkgPGFtYzc5QGNhbS5hYy51az4gd3JvdGU6Cj4g 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localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhZSk-0005fS-72; Thu, 01 Oct 2015 08:43:38 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhZSj-0005fN-3v for mirageos-devel@lists.xenproject.org; Thu, 01 Oct 2015 08:43:37 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id 59/5B-19220-832FC065; Thu, 01 Oct 2015 08:43:36 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1443689014!39094531!1 X-Originating-IP: [209.85.213.41] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26494 invoked from network); 1 Oct 2015 08:43:35 -0000 Received: from mail-vk0-f41.google.com (HELO mail-vk0-f41.google.com) (209.85.213.41) by server-4.tower-206.messagelabs.com with RC4-SHA 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References: <62270632-DE76-48CD-9D80-D3E0040FB595@cam.ac.uk> <560C0234.8090809@zoho.com> <814E7093-88E4-40A4-A10F-359ED0E9E061@somerandomidiot.com> <9A417FA9-61E4-4355-9237-DBC96C476B61@cam.ac.uk> Date: Thu, 1 Oct 2015 10:43:34 +0200 Message-ID: From: Thomas Leonard To: Amir Chaudhry Cc: mirageos-devel Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 30th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 V2h5IG9ubHkgcHJpdmF0ZSByZXBsaWVzPyBQZW9wbGUgb24gdGhlIGxpc3Qgc2hvdWxkIGJlIGFi bGUgdG8gY29tbWVudApvbiBzdWdnZXN0aW9ucyB0b28sIElNTy4gUGVyc29uYWxseSwgSSB0aG91 Z2h0IEhhbmdvdXRzIHdvcmtlZCBwcmV0dHkKd2VsbC4gV2Ugc2VlbSB0byBnZXQgbW9yZSBwZW9w 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X19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54 ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFu L2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Thu Oct 01 09:55:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 09:55:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhaaa-000578-9K; Thu, 01 Oct 2015 09:55:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhaaY-000572-BF for mirageos-devel@lists.xenproject.org; Thu, 01 Oct 2015 09:55:46 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 62/8B-31069-1230D065; Thu, 01 Oct 2015 09:55:45 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1443693342!12381889!1 X-Originating-IP: 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[131.111.184.27]) by smtp.gmail.com with ESMTPSA id pb4sm5284639wjb.8.2015.10.01.02.55.40 for (version=TLS1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 01 Oct 2015 02:55:40 -0700 (PDT) From: Thomas Gazagnaire Message-Id: Date: Thu, 1 Oct 2015 10:55:41 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] [ANN] irmin-chunk X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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've packaged and released irmin-chunk[1,2], a library developed during the summer by Mounir Nasr Allah. This allows to store large blobs into small chunks of the same size, while keeping the keys of value stable (ie. the fact that we are changing the way blobs are stored is transparent to the user). Once all your blobs have the same size (basically 1 page), it becomes a bit easier to store them on raw block devices... Also having smaller blobs means deduplication will work much better: when you modify a bit on a large blob, with irmin-chunk you'll have only to add a few new pages (one new page for the chunk of blob modified, and one new page per node on the path to the root of the tree of chunks). To use it, simply `opam install irmin-chunk`. I've also re-organised Irmin's README[3] a bit to make it clearer. Please add your project in there if it is not already listed! Thomas [1]: https://github.com/mirage/irmin-chunk [2]: https://mirage.github.io/irmin-chunk/Irmin_chunk.html [3]: https://github.com/mirage/irmin/blob/master/README.md _______________________________________________ MirageOS-devel 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 Oct 01 09:55:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 09:55:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhaaa-000578-9K; Thu, 01 Oct 2015 09:55:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZhaaY-000572-BF for mirageos-devel@lists.xenproject.org; Thu, 01 Oct 2015 09:55:46 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 62/8B-31069-1230D065; Thu, 01 Oct 2015 09:55:45 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1443693342!12381889!1 X-Originating-IP: [209.85.212.174] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30378 invoked from network); 1 Oct 2015 09:55:42 -0000 Received: from mail-wi0-f174.google.com (HELO mail-wi0-f174.google.com) (209.85.212.174) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 1 Oct 2015 09:55:42 -0000 Received: by wicfx3 with SMTP id fx3so20321168wic.0 for ; Thu, 01 Oct 2015 02:55:42 -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=plKW553yb/+dZOz5xH55+lnP34PazLs0zor4Ww3+i/Y=; b=QDku93FQD7XwrjBYTYtv4/3g1pUO0srf8L0RxRgfVQslLxw/myTHrrZ4Y6qqQ2LjtF Hg9FTfMFPOBcctZlNanOeDv/+/5RTNDFgZWzGzPsvClYcPHFxPiHSa5I7lTzYzj6QZl/ 5v97S1pFO4McxPzkvRc/TnCd2J5OBJFwHrRZAj+AC5n+jgKFNL+f9BCaRAM427dlMXHX 7JlX57WxVLodQ5c9bksBPO9SoF56xPd+ANU1PjuIMSSxOF4VfZHzPMH8HFpuX2Fe/sPy VtuLd2+LCuM3Nvfze8Ck5XGtqCGqEGuMuD8QEd3qhdxcq+0Pd/9cNxOaGjC/lmlCnpRw o4uQ== X-Received: by 10.180.19.41 with SMTP id b9mr2189909wie.71.1443693342501; Thu, 01 Oct 2015 02:55:42 -0700 (PDT) Received: from dhcp-172-17-173-40.eduroam.wireless.private.cam.ac.uk (global-184-27.nat-1.net.cam.ac.uk. [131.111.184.27]) by smtp.gmail.com with ESMTPSA id pb4sm5284639wjb.8.2015.10.01.02.55.40 for (version=TLS1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 01 Oct 2015 02:55:40 -0700 (PDT) From: Thomas Gazagnaire Message-Id: Date: Thu, 1 Oct 2015 10:55:41 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] [ANN] irmin-chunk X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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've packaged and released irmin-chunk[1,2], a library developed during the summer by Mounir Nasr Allah. This allows to store large blobs into small chunks of the same size, while keeping the keys of value stable (ie. the fact that we are changing the way blobs are stored is transparent to the user). Once all your blobs have the same size (basically 1 page), it becomes a bit easier to store them on raw block devices... Also having smaller blobs means deduplication will work much better: when you modify a bit on a large blob, with irmin-chunk you'll have only to add a few new pages (one new page for the chunk of blob modified, and one new page per node on the path to the root of the tree of chunks). To use it, simply `opam install irmin-chunk`. I've also re-organised Irmin's README[3] a bit to make it clearer. Please add your project in there if it is not already listed! Thomas [1]: https://github.com/mirage/irmin-chunk [2]: https://mirage.github.io/irmin-chunk/Irmin_chunk.html [3]: https://github.com/mirage/irmin/blob/master/README.md _______________________________________________ MirageOS-devel 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 Oct 01 09:59:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 09:59:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhae4-0005ju-Vn; Thu, 01 Oct 2015 09:59:24 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhae3-0005iO-Kb for MirageOS-devel@lists.xenproject.org; Thu, 01 Oct 2015 09:59:23 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 79/48-22089-BF30D065; Thu, 01 Oct 2015 09:59:23 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1443693562!33819469!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30931 invoked from network); 1 Oct 2015 09:59:22 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Oct 2015 09:59:22 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 884e4996 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 1 Oct 2015 10:59:21 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 1 Oct 2015 10:59:21 +0100 Message-Id: <73356EA1-848F-4CD0-A1B2-4923B612DC0F@recoil.org> References: To: Wassim Haddad X-Mailer: Apple Mail (2.2104) Cc: MirageOS-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Netmap X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 07:45, Wassim Haddad wrote: > > Dear all, > > Does Mirage support Netmap framework? Hi Wassim, I'm not sure what the support is for Netmap in Xen in general. Netmap has a slightly different model of page management (the dom0 would export pages to the guest, which writes into the NIC buffers directly) that could map onto Netfront, but I'm not sure if this work has been done. Once Netmap is available to a domU (Linux or FreeBSD), we would look into adding Mirage support. Hope that helps, -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 Oct 01 09:59:25 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 09:59:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhae4-0005ju-Vn; Thu, 01 Oct 2015 09:59:24 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhae3-0005iO-Kb for MirageOS-devel@lists.xenproject.org; Thu, 01 Oct 2015 09:59:23 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 79/48-22089-BF30D065; Thu, 01 Oct 2015 09:59:23 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1443693562!33819469!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30931 invoked from network); 1 Oct 2015 09:59:22 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Oct 2015 09:59:22 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 884e4996 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 1 Oct 2015 10:59:21 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 1 Oct 2015 10:59:21 +0100 Message-Id: <73356EA1-848F-4CD0-A1B2-4923B612DC0F@recoil.org> References: To: Wassim Haddad X-Mailer: Apple Mail (2.2104) Cc: MirageOS-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Netmap X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 07:45, Wassim Haddad wrote: > > Dear all, > > Does Mirage support Netmap framework? Hi Wassim, I'm not sure what the support is for Netmap in Xen in general. Netmap has a slightly different model of page management (the dom0 would export pages to the guest, which writes into the NIC buffers directly) that could map onto Netfront, but I'm not sure if this work has been done. Once Netmap is available to a domU (Linux or FreeBSD), we would look into adding Mirage support. Hope that helps, -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 Oct 01 10:18:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 10:18:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhawv-0008AS-Ph; Thu, 01 Oct 2015 10:18:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhawu-0008AN-Qk for mirageos-devel@lists.xenproject.org; Thu, 01 Oct 2015 10:18:53 +0000 Received: from [85.158.137.68] by server-4.bemta-3.messagelabs.com id C0/48-09570-B880D065; Thu, 01 Oct 2015 10:18:51 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-12.tower-31.messagelabs.com!1443694730!12393890!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18104 invoked from network); 1 Oct 2015 10:18:50 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-12.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Oct 2015 10:18:50 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-153-203.eduroam.wireless.private.cam.ac.uk ([172.17.153.203]:50630) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:465) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1Zhawq-0006CI-lN (Exim 4.86_36-e07b163) (return-path ); Thu, 01 Oct 2015 11:18:48 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Thu, 1 Oct 2015 11:18:49 +0100 Message-Id: <17F57260-BD10-44D7-A76A-184E74252982@cam.ac.uk> References: <62270632-DE76-48CD-9D80-D3E0040FB595@cam.ac.uk> <560C0234.8090809@zoho.com> <814E7093-88E4-40A4-A10F-359ED0E9E061@somerandomidiot.com> <9A417FA9-61E4-4355-9237-DBC96C476B61@cam.ac.uk> To: Thomas Leonard X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 30th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cj4gT24gMSBPY3QgMjAxNSwgYXQgMDk6NDMsIFRob21hcyBMZW9uYXJkIDx0YWxleDVAZ21haWwu Y29tPiB3cm90ZToKPiAKPiBXaHkgb25seSBwcml2YXRlIHJlcGxpZXM/IFBlb3BsZSBvbiB0aGUg bGlzdCBzaG91bGQgYmUgYWJsZSB0byBjb21tZW50Cj4gb24gc3VnZ2VzdGlvbnMgdG9vLCBJTU8u 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X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2 ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3Mt ZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Oct 01 10:18:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 01 Oct 2015 10:18:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhawv-0008AS-Ph; Thu, 01 Oct 2015 10:18:53 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zhawu-0008AN-Qk for mirageos-devel@lists.xenproject.org; Thu, 01 Oct 2015 10:18:53 +0000 Received: from [85.158.137.68] by server-4.bemta-3.messagelabs.com id C0/48-09570-B880D065; Thu, 01 Oct 2015 10:18:51 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-12.tower-31.messagelabs.com!1443694730!12393890!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18104 invoked from network); 1 Oct 2015 10:18:50 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-12.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 1 Oct 2015 10:18:50 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-153-203.eduroam.wireless.private.cam.ac.uk ([172.17.153.203]:50630) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:465) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1Zhawq-0006CI-lN (Exim 4.86_36-e07b163) (return-path ); Thu, 01 Oct 2015 11:18:48 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Thu, 1 Oct 2015 11:18:49 +0100 Message-Id: <17F57260-BD10-44D7-A76A-184E74252982@cam.ac.uk> References: <62270632-DE76-48CD-9D80-D3E0040FB595@cam.ac.uk> <560C0234.8090809@zoho.com> <814E7093-88E4-40A4-A10F-359ED0E9E061@somerandomidiot.com> <9A417FA9-61E4-4355-9237-DBC96C476B61@cam.ac.uk> To: Thomas Leonard X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 30th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cj4gT24gMSBPY3QgMjAxNSwgYXQgMDk6NDMsIFRob21hcyBMZW9uYXJkIDx0YWxleDVAZ21haWwu Y29tPiB3cm90ZToKPiAKPiBXaHkgb25seSBwcml2YXRlIHJlcGxpZXM/IFBlb3BsZSBvbiB0aGUg 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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 September 2015 at 10:56, Thomas Gazagnaire wrote: >> However, I think we should remove "create" from the store interfaces >> anyway. In Irmin-IndexedDB, I want to pass database connections to the >> internal RW and AO stores, not a config. It looks like I can attach >> arbitrary data to config objects, but doing this loses compile-time >> type checking (it would be possible to call it without providing a >> connection). > > I agree. Your examples are convincing, and I think having the high-level and low-level stores having a different interface makes sense as it will allow to make the best design choices at each layer. > >>>> [ And ideally, it would make more sense to me if you only specified >>>> the commit message when making a commit. The rest of the strings just >>>> get thrown away, I think. ] >>> >>> The initial idea was to use that task to (i) populate an audit log on all the database operations (including reads) and (ii) attach the debug messages to the task, instead of throwing them on the error channel. None of these have been completed yet, but would be nice if they are still possible to do later. >> >> These things don't sound very Irmin-specific, or connected to the Git >> log message. Perhaps we could provide a wrapper for logging? >> >> module AuditedStore (S : BC.STORE) : sig >> include BC.STORE >> val create : Logger.t -> S.t -> t >> ... >> end > > What if you want to commit on every read (costly, but it'd be possible to do now by passing a flag in the config)? Then AuditedStore.create can take a ('a -> Irmin.task) and require the user to instantiate it before each operation. i.e. the same thing we do now, but only for users of AuditedStore. It does mean that you can't take some existing code and immediately turn on auditing because (in the current Irmin design) audit messages are supplied by the thing being audited (which is a bit odd). I think a more reasonable design would be to supply a tag to AuditedStore.create and have it attach that tag to auto-generated commit messages. e.g. let store = AuditedStore.create ~tag:"httpd" underlying in AuditedStore.read store ["foo"] ... would generate a commit entry in the form 2015-10-03 10:15: [httpd] read "/foo" But I think the current system of requiring every user of Irmin to supply a custom audit message for each operation, just in case, isn't a good idea. > Also, my initial idea for logging was to pass a store handle (and its task) to the Log.debug functions, so that the log line is appended in the task's commit message (that's why there is a `Task.add`). By doing so, we could have all the debug message for a specific high-level command appears in the commit message. Not sure how practical is it, but I though it could be a nice feature. You could have: AuditedStore.logf store "Some log message" create a commit with the given message (or save it for the next commit). Actually, I was thinking of removing BC.update completely and requiring everything to go via a transaction. That way, log messages are supplied only to View.create and we can remove tasks from the rest of the API. In that case, it would make sense to have a View.logf, such that committing the transaction includes all the log messages collected during it. > I'm not sure how you can do that if you remove the task from all the read operations. > > On the other hand, having immutable, simple read-operations is very useful when designing the API. Currently, the HTTP "REST" [1] API doesn't require a client task for read operations. Would be good to have a consistent API across all backends, so that could be an argument for dropping the task for high-level reads. > > > About the wrapper: it's a good idea, we could have a default "audit" branch to store this log. > > Thomas > > [1] https://github.com/mirage/irmin/issues/282#issuecomment-136806513 -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 03 10:26:04 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 03 Oct 2015 10:26:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZiK0o-0001nk-Mx; Sat, 03 Oct 2015 10:25:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZiK0m-0001nf-Ge for mirageos-devel@lists.xenproject.org; Sat, 03 Oct 2015 10:25:52 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 7D/96-01421-F2DAF065; Sat, 03 Oct 2015 10:25:51 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1443867949!49922463!1 X-Originating-IP: [209.85.213.50] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11483 invoked from network); 3 Oct 2015 10:25:50 -0000 Received: from mail-vk0-f50.google.com (HELO mail-vk0-f50.google.com) (209.85.213.50) by server-8.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 3 Oct 2015 10:25:50 -0000 Received: by vkgd64 with SMTP id d64so73501391vkg.0 for ; Sat, 03 Oct 2015 03:25:49 -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=G5a+rFkErDS69jiF+3PglGLq3QXzbZPTpTMypWnTVxs=; b=m1sBnO9Tn5rGdJ/kwMgby+R+ZZcvafXWp7TYhqbPgfeSHGJuApKayXp/tkOaphHTsH H0BddSimLnUAtvwUjd6mL/mTGhwx5x8tkSw/wBS4Q/nfgd34r8G9OsP6bb4t0vFB0uhX kZ9KnDyOtoVreRlL7Z6AqHtrOaeWob+KbAgggdtKAnDEJGkaWJB1ivPCbIMeDrD9oNVX uqXZsicsuf488QpmVGbh2iCWSTgk0KRB0xTVkHWJ/mQo5r7l6rX59lsR3toIPcYa609F Y3VUZur0i7QTwME8Z5C05wF8B5GOAs77EGnOsRMt6lebEOiur6L4/zoIVC5rjFIo1lbf fC9Q== MIME-Version: 1.0 X-Received: by 10.31.142.142 with SMTP id q136mr13265936vkd.41.1443867949598; Sat, 03 Oct 2015 03:25:49 -0700 (PDT) Received: by 10.31.69.4 with HTTP; Sat, 3 Oct 2015 03:25:49 -0700 (PDT) In-Reply-To: <916479F0-FA36-46BF-AE9C-418D780F55B3@gazagnaire.org> References: <362CE0CB-96EE-4924-88B2-B3F904B77F28@gazagnaire.org> <916479F0-FA36-46BF-AE9C-418D780F55B3@gazagnaire.org> Date: Sat, 3 Oct 2015 11:25:49 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: mirageos-devel Subject: Re: [MirageOS-devel] Irmin API evolution X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 September 2015 at 10:56, Thomas Gazagnaire wrote: >> However, I think we should remove "create" from the store interfaces >> anyway. In Irmin-IndexedDB, I want to pass database connections to the >> internal RW and AO stores, not a config. It looks like I can attach >> arbitrary data to config objects, but doing this loses compile-time >> type checking (it would be possible to call it without providing a >> connection). > > I agree. Your examples are convincing, and I think having the high-level and low-level stores having a different interface makes sense as it will allow to make the best design choices at each layer. > >>>> [ And ideally, it would make more sense to me if you only specified >>>> the commit message when making a commit. The rest of the strings just >>>> get thrown away, I think. ] >>> >>> The initial idea was to use that task to (i) populate an audit log on all the database operations (including reads) and (ii) attach the debug messages to the task, instead of throwing them on the error channel. None of these have been completed yet, but would be nice if they are still possible to do later. >> >> These things don't sound very Irmin-specific, or connected to the Git >> log message. Perhaps we could provide a wrapper for logging? >> >> module AuditedStore (S : BC.STORE) : sig >> include BC.STORE >> val create : Logger.t -> S.t -> t >> ... >> end > > What if you want to commit on every read (costly, but it'd be possible to do now by passing a flag in the config)? Then AuditedStore.create can take a ('a -> Irmin.task) and require the user to instantiate it before each operation. i.e. the same thing we do now, but only for users of AuditedStore. It does mean that you can't take some existing code and immediately turn on auditing because (in the current Irmin design) audit messages are supplied by the thing being audited (which is a bit odd). I think a more reasonable design would be to supply a tag to AuditedStore.create and have it attach that tag to auto-generated commit messages. e.g. let store = AuditedStore.create ~tag:"httpd" underlying in AuditedStore.read store ["foo"] ... would generate a commit entry in the form 2015-10-03 10:15: [httpd] read "/foo" But I think the current system of requiring every user of Irmin to supply a custom audit message for each operation, just in case, isn't a good idea. > Also, my initial idea for logging was to pass a store handle (and its task) to the Log.debug functions, so that the log line is appended in the task's commit message (that's why there is a `Task.add`). By doing so, we could have all the debug message for a specific high-level command appears in the commit message. Not sure how practical is it, but I though it could be a nice feature. You could have: AuditedStore.logf store "Some log message" create a commit with the given message (or save it for the next commit). Actually, I was thinking of removing BC.update completely and requiring everything to go via a transaction. That way, log messages are supplied only to View.create and we can remove tasks from the rest of the API. In that case, it would make sense to have a View.logf, such that committing the transaction includes all the log messages collected during it. > I'm not sure how you can do that if you remove the task from all the read operations. > > On the other hand, having immutable, simple read-operations is very useful when designing the API. Currently, the HTTP "REST" [1] API doesn't require a client task for read operations. Would be good to have a consistent API across all backends, so that could be an argument for dropping the task for high-level reads. > > > About the wrapper: it's a good idea, we could have a default "audit" branch to store this log. > > Thomas > > [1] https://github.com/mirage/irmin/issues/282#issuecomment-136806513 -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 06 10:05:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Oct 2015 10:05:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjP7Z-0002oC-FZ; Tue, 06 Oct 2015 10:05:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjP7Y-0002o3-Lk for MirageOS-devel@lists.xenproject.org; Tue, 06 Oct 2015 10:05:20 +0000 Received: from [85.158.137.68] by server-13.bemta-3.messagelabs.com id E8/47-00536-FDC93165; Tue, 06 Oct 2015 10:05:19 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1444125908!50644290!1 X-Originating-IP: [209.85.217.182] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7213 invoked from network); 6 Oct 2015 10:05:10 -0000 Received: from mail-lb0-f182.google.com (HELO mail-lb0-f182.google.com) (209.85.217.182) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Oct 2015 10:05:10 -0000 Received: by lbos8 with SMTP id s8so73087130lbo.0 for ; Tue, 06 Oct 2015 03:05:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=a4ATTMxLf8ZCo9FRUj24IAFNJL4JOw0nJ67PiPMBViA=; b=cYy0vo0dEwg2VbaHj3C/lqBsAlLZQXUtcFmzJhHsuYjw5fzOy3ecwA/j5PzWYJ4NSh vkZ8FVTdGx/s/djACtmfHbBTtfUDaC0y0zvO2BQ0nUwFZIplkJYascLxvt2XkByZe9je 92P/aCxoNAmmG3+/JzhF7dlE+iioGfprP8VmwUvd55GBFNrV4nw3QV98L0u5PK7bkTs2 YhPCmgEqkoSvC5d6yrd56GFrOf68wiUhjPn+2aOYxN/U4m0FoP7WRJxtKB0PowmKr9XY hkkLky1WlfLsc890pPqIpTorhaSYtDBv46Ibb6pcjRArrr8jbsFPTAWZyQWWmiX2hEvw haJA== MIME-Version: 1.0 X-Received: by 10.112.209.4 with SMTP id mi4mr14378274lbc.7.1444125908605; Tue, 06 Oct 2015 03:05:08 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Tue, 6 Oct 2015 03:05:08 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Tue, 6 Oct 2015 12:05:08 +0200 X-Google-Sender-Auth: Ecpl_Fk8s2sbX6NXLEvXUedUAXQ Message-ID: From: "Christiano F. Haesbaert" To: Richard Mortier Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 September 2015 at 18:50, Richard Mortier wrote: > [ Adding the list as discussion may be of more general interest. This > concerns Christiano's DHCP server, Charrua, at > https://github.com/haesbaert/charrua-core, > https://github.com/haesbaert/charrua-mirage and > https://github.com/haesbaert/charrua-unix. ] > > On 30 September 2015 at 13:39, Christiano F. Haesbaert > wrote: >> >> On Wednesday, 30 September 2015, Richard Mortier >> wrote: >>> > ... >>> Some random thoughts: >>> >>> + Is there a reason why you include clock.mli rather than depending on >>> mirage-types and using the definition from there? >> >> Probably inexperience, that was for charrua-unix to be able to use the Ocaml >> Clock module without having a functor, but I want to change that, didnt find >> a better way at the time. > > Given you're using functors elsewhere, why is it a problem to use a > functor for Clock too? > >>> + I notice the INTERFACE type you define -- is this something that we >>> should think about adding to mirage-types? >> >> Don't think so. >> This is an artifact of having the library working outside mirage >> (charrua-unix), i basically need to tell the Server module how to do IO and >> what is an interface. Im not too happy with the way I wrote this, perphaps >> there is a better way ? > > This may bear some thinking about-- I wonder if the right thing to do > is to just use the Mirage types, functors, libraries, etc, but (using > @drup's shiny new Functoria-based Mirage DSL implementation) implement > a "native Unix" backend so that cmdliner and other things can be used > as-is. That way you can leverage the module types and libraries all > the way down, but aren't tied to having the entry point look like a > unikernel (hence can pass params etc as you would normally). > > All-- thoughts? > >>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>> in a packet parsing libpcap-alike)? (One day this will happen for >>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>> I can try and put a PR together for this if you prefer... >> >> Sure let's do it, but by PR you mean ? > > Pull Request :) > So I gave a stab at this, but it seemed pointless without the cenum conversion, the only thing left would be a cstruct Dhcp. I had a look on your tftp library, and it seems all the parsing and such is in tftp.wire itself, while mine is in dhcp.ml, I only use a Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct definitions play nice with merlin. Should we keep both ? I like the idea of a Dhcp module, and I think that is more important to be a separate library than the Dhcp_wire, or maybe both should be separated ? I'm starting the cenum conversion and that might shed some light on how to proceed. >>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>> construct for declaring the codepoints etc? (Wondering whether >>> something that replaces `cstruct ... { }` could/should be replaced >>> with something that enables`with cstruct` a la `with sexp`.) >> >> i didn't know about cenum, that will make things easier, I will work on that >> thus week. > > Cool. In general I think we have an inclination now to remove camlp4 > syntax extensions where possible -- I don't know if anyone has looked > at replacing cstruct.syntax though (which I would guess is the most > commonly used now we don't generally use lwt.syntax). Anyone? > >>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>> there a logging framework ready for use/Is dog the place to start for >>> one? (I'll push Tftp over onto it as well if so.) >> >> That was also to be able to use charrua-core outside of mirage. > > I understood that Dog depended on Irmin rather than Mirage, but I > might be wrong. (@samoht?) > >>> + Alistair had started adding (possibly got to some kind of >>> completion) Irmin support for the state in his version (based directly >>> off mirage-tcpip -- >>> >>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d08397033b8c4f830a519db5a0) >>> -- would be great to look at adding/merging this somehow. >> >> I agree, i can work on merging his code, I would do it for 0.2 though. > > Fair enough :) > >> Bear in mind my ocaml-foo may not be on paar, you should see other naive >> mistakes and/or uncommon idioms. > > I'm sure those with sufficient experience will eventually point them out :) > >> If supporting Charrua-core outside of mirage contaminates too much of the >> design, I can drop charrua-unix. This was in fact my first idea, but then I >> figure it would be interesting on the architectural level, since it provides >> a stronger separation between the core logic and the rest. > > FWIW, what I was trying to do with `ocaml-tftp` was to have the > library and then Mirage and (pure) Unix servers (and ultimately, > clients) in a single repo, under different directories, using Oasis to > generate the necessary build runes and OPAM to manage installation of > different generated ocamlfind components. (Though I just noticed I > need to split that down more.) Not entirely successful (or finished!) > so far, but it mostly seemed to work. (And meant I didn't have to > worry about too many repos.) > > -- > Richard Mortier > richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel 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 Oct 06 10:05:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Oct 2015 10:05:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjP7Z-0002oC-FZ; Tue, 06 Oct 2015 10:05:21 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjP7Y-0002o3-Lk for MirageOS-devel@lists.xenproject.org; Tue, 06 Oct 2015 10:05:20 +0000 Received: from [85.158.137.68] by server-13.bemta-3.messagelabs.com id E8/47-00536-FDC93165; Tue, 06 Oct 2015 10:05:19 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1444125908!50644290!1 X-Originating-IP: [209.85.217.182] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7213 invoked from network); 6 Oct 2015 10:05:10 -0000 Received: from mail-lb0-f182.google.com (HELO mail-lb0-f182.google.com) (209.85.217.182) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 6 Oct 2015 10:05:10 -0000 Received: by lbos8 with SMTP id s8so73087130lbo.0 for ; Tue, 06 Oct 2015 03:05:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=a4ATTMxLf8ZCo9FRUj24IAFNJL4JOw0nJ67PiPMBViA=; b=cYy0vo0dEwg2VbaHj3C/lqBsAlLZQXUtcFmzJhHsuYjw5fzOy3ecwA/j5PzWYJ4NSh vkZ8FVTdGx/s/djACtmfHbBTtfUDaC0y0zvO2BQ0nUwFZIplkJYascLxvt2XkByZe9je 92P/aCxoNAmmG3+/JzhF7dlE+iioGfprP8VmwUvd55GBFNrV4nw3QV98L0u5PK7bkTs2 YhPCmgEqkoSvC5d6yrd56GFrOf68wiUhjPn+2aOYxN/U4m0FoP7WRJxtKB0PowmKr9XY hkkLky1WlfLsc890pPqIpTorhaSYtDBv46Ibb6pcjRArrr8jbsFPTAWZyQWWmiX2hEvw haJA== MIME-Version: 1.0 X-Received: by 10.112.209.4 with SMTP id mi4mr14378274lbc.7.1444125908605; Tue, 06 Oct 2015 03:05:08 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Tue, 6 Oct 2015 03:05:08 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Tue, 6 Oct 2015 12:05:08 +0200 X-Google-Sender-Auth: Ecpl_Fk8s2sbX6NXLEvXUedUAXQ Message-ID: From: "Christiano F. Haesbaert" To: Richard Mortier Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 September 2015 at 18:50, Richard Mortier wrote: > [ Adding the list as discussion may be of more general interest. This > concerns Christiano's DHCP server, Charrua, at > https://github.com/haesbaert/charrua-core, > https://github.com/haesbaert/charrua-mirage and > https://github.com/haesbaert/charrua-unix. ] > > On 30 September 2015 at 13:39, Christiano F. Haesbaert > wrote: >> >> On Wednesday, 30 September 2015, Richard Mortier >> wrote: >>> > ... >>> Some random thoughts: >>> >>> + Is there a reason why you include clock.mli rather than depending on >>> mirage-types and using the definition from there? >> >> Probably inexperience, that was for charrua-unix to be able to use the Ocaml >> Clock module without having a functor, but I want to change that, didnt find >> a better way at the time. > > Given you're using functors elsewhere, why is it a problem to use a > functor for Clock too? > >>> + I notice the INTERFACE type you define -- is this something that we >>> should think about adding to mirage-types? >> >> Don't think so. >> This is an artifact of having the library working outside mirage >> (charrua-unix), i basically need to tell the Server module how to do IO and >> what is an interface. Im not too happy with the way I wrote this, perphaps >> there is a better way ? > > This may bear some thinking about-- I wonder if the right thing to do > is to just use the Mirage types, functors, libraries, etc, but (using > @drup's shiny new Functoria-based Mirage DSL implementation) implement > a "native Unix" backend so that cmdliner and other things can be used > as-is. That way you can leverage the module types and libraries all > the way down, but aren't tied to having the entry point look like a > unikernel (hence can pass params etc as you would normally). > > All-- thoughts? > >>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>> in a packet parsing libpcap-alike)? (One day this will happen for >>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>> I can try and put a PR together for this if you prefer... >> >> Sure let's do it, but by PR you mean ? > > Pull Request :) > So I gave a stab at this, but it seemed pointless without the cenum conversion, the only thing left would be a cstruct Dhcp. I had a look on your tftp library, and it seems all the parsing and such is in tftp.wire itself, while mine is in dhcp.ml, I only use a Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct definitions play nice with merlin. Should we keep both ? I like the idea of a Dhcp module, and I think that is more important to be a separate library than the Dhcp_wire, or maybe both should be separated ? I'm starting the cenum conversion and that might shed some light on how to proceed. >>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>> construct for declaring the codepoints etc? (Wondering whether >>> something that replaces `cstruct ... { }` could/should be replaced >>> with something that enables`with cstruct` a la `with sexp`.) >> >> i didn't know about cenum, that will make things easier, I will work on that >> thus week. > > Cool. In general I think we have an inclination now to remove camlp4 > syntax extensions where possible -- I don't know if anyone has looked > at replacing cstruct.syntax though (which I would guess is the most > commonly used now we don't generally use lwt.syntax). Anyone? > >>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>> there a logging framework ready for use/Is dog the place to start for >>> one? (I'll push Tftp over onto it as well if so.) >> >> That was also to be able to use charrua-core outside of mirage. > > I understood that Dog depended on Irmin rather than Mirage, but I > might be wrong. (@samoht?) > >>> + Alistair had started adding (possibly got to some kind of >>> completion) Irmin support for the state in his version (based directly >>> off mirage-tcpip -- >>> >>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d08397033b8c4f830a519db5a0) >>> -- would be great to look at adding/merging this somehow. >> >> I agree, i can work on merging his code, I would do it for 0.2 though. > > Fair enough :) > >> Bear in mind my ocaml-foo may not be on paar, you should see other naive >> mistakes and/or uncommon idioms. > > I'm sure those with sufficient experience will eventually point them out :) > >> If supporting Charrua-core outside of mirage contaminates too much of the >> design, I can drop charrua-unix. This was in fact my first idea, but then I >> figure it would be interesting on the architectural level, since it provides >> a stronger separation between the core logic and the rest. > > FWIW, what I was trying to do with `ocaml-tftp` was to have the > library and then Mirage and (pure) Unix servers (and ultimately, > clients) in a single repo, under different directories, using Oasis to > generate the necessary build runes and OPAM to manage installation of > different generated ocamlfind components. (Though I just noticed I > need to split that down more.) Not entirely successful (or finished!) > so far, but it mostly seemed to work. (And meant I didn't have to > worry about too many repos.) > > -- > Richard Mortier > richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel 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 Oct 06 19:58:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Oct 2015 19:58:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjYN4-0006d8-MC; Tue, 06 Oct 2015 19:57:58 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjXtp-0004bc-8k for mirageos-devel@lists.xenproject.org; Tue, 06 Oct 2015 19:27:45 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 7E/87-19110-0B024165; Tue, 06 Oct 2015 19:27:44 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1444159663!56303766!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9389 invoked from network); 6 Oct 2015 19:27:43 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-8.tower-27.messagelabs.com with SMTP; 6 Oct 2015 19:27:43 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Tue, 6 Oct 2015 15:27:41 -0400 To: From: Paul Skentzos Message-ID: <561420AC.6050504@dornerworks.com> Date: Tue, 6 Oct 2015 15:27:40 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 X-Originating-IP: [172.27.13.155] X-Mailman-Approved-At: Tue, 06 Oct 2015 19:57:57 +0000 Cc: Aaron.Cornelius@dornerworks.com Subject: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 are trying to access a serial port passed to a domu. We're very new to Mirage and ocaml, but plan on converting our existing system to use MirageOS for various domU's. So, at the moment, the question we have is whether anyone has had any success writing to multiple serial ports with one of those serial ports being accessed from a domu? As a first attempt, we took the Mirage console example and added a second console. We connected it to '1' and then to /dev/null and tried to print to it. Neither of the ideas were valid. We're not sure what the console should be named or what the hashtbl is looking for. The application compiles, but the VM halts with a message stating. "... waiting for hotplug". The application built for unix didn't work either. We are trying to read data from a GPS receiver from a domu. Any ideas where we should look for getting this capability? I appreciate the help! Paul Skentzos Aaron Cornelius _______________________________________________ MirageOS-devel 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 Oct 06 19:58:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Oct 2015 19:58:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjYN4-0006d8-MC; Tue, 06 Oct 2015 19:57:58 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjXtp-0004bc-8k for mirageos-devel@lists.xenproject.org; Tue, 06 Oct 2015 19:27:45 +0000 Received: from [193.109.254.147] by server-8.bemta-14.messagelabs.com id 7E/87-19110-0B024165; Tue, 06 Oct 2015 19:27:44 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-8.tower-27.messagelabs.com!1444159663!56303766!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9389 invoked from network); 6 Oct 2015 19:27:43 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-8.tower-27.messagelabs.com with SMTP; 6 Oct 2015 19:27:43 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Tue, 6 Oct 2015 15:27:41 -0400 To: From: Paul Skentzos Message-ID: <561420AC.6050504@dornerworks.com> Date: Tue, 6 Oct 2015 15:27:40 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 X-Originating-IP: [172.27.13.155] X-Mailman-Approved-At: Tue, 06 Oct 2015 19:57:57 +0000 Cc: Aaron.Cornelius@dornerworks.com Subject: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 are trying to access a serial port passed to a domu. We're very new to Mirage and ocaml, but plan on converting our existing system to use MirageOS for various domU's. So, at the moment, the question we have is whether anyone has had any success writing to multiple serial ports with one of those serial ports being accessed from a domu? As a first attempt, we took the Mirage console example and added a second console. We connected it to '1' and then to /dev/null and tried to print to it. Neither of the ideas were valid. We're not sure what the console should be named or what the hashtbl is looking for. The application compiles, but the VM halts with a message stating. "... waiting for hotplug". The application built for unix didn't work either. We are trying to read data from a GPS receiver from a domu. Any ideas where we should look for getting this capability? I appreciate the help! Paul Skentzos Aaron Cornelius _______________________________________________ MirageOS-devel 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 Oct 06 21:04:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Oct 2015 21:04:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjZP2-0002oJ-6z; Tue, 06 Oct 2015 21:04:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjZP0-0002oD-TX for mirageos-devel@lists.xenproject.org; Tue, 06 Oct 2015 21:04:03 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id A1/8E-04752-24734165; Tue, 06 Oct 2015 21:04:02 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1444165440!56249280!1 X-Originating-IP: [209.85.212.173] X-SpamReason: No, hits=0.9 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40,HTML_MESSAGE,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4967 invoked from network); 6 Oct 2015 21:04:00 -0000 Received: from mail-wi0-f173.google.com (HELO mail-wi0-f173.google.com) (209.85.212.173) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 6 Oct 2015 21:04:00 -0000 Received: by wicge5 with SMTP id ge5so185142773wic.0 for ; Tue, 06 Oct 2015 14:04:00 -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=Z6bkNhvj6FEhwBF5gm9RxLJiFIXHtoosyewzIAQmk4M=; b=yG6TmbkXd2j1kP9CnfsipKJuLSBKy54/49EwOMUn0B4xIPiT3y9pYCsgOuD44GvmjQ YkxVG1GbmxwZG7MzsTdteIzr6Jg/u1t65r0Zb3QeMAjKwyxiSg2+XXo6rc5JiYAbe944 NdfhHhb+Cq6lKN5Mu5h1yFhViCsENUzpvS4xL91NVgxlaBFhCDU0iDa95bS18HclCg3I dOJEd7BmWLBDG4SHb6ySzZxNf0VpyAfr5UQ8Thjpg9Aa+zAmzMeE0J/6UyDQisPYCzrD FRQ8MHS6oCc2nwP9WD6c5zUY4U+CsAG+K4uypmpP2+mdVYg2D6Nt0DC56EVS0uQjEWu0 msbg== MIME-Version: 1.0 X-Received: by 10.180.93.131 with SMTP id cu3mr18713849wib.8.1444165440492; Tue, 06 Oct 2015 14:04:00 -0700 (PDT) Received: by 10.28.18.71 with HTTP; Tue, 6 Oct 2015 14:04:00 -0700 (PDT) In-Reply-To: <561420AC.6050504@dornerworks.com> References: <561420AC.6050504@dornerworks.com> Date: Tue, 6 Oct 2015 22:04:00 +0100 Message-ID: From: David Scott To: Paul Skentzos Cc: Aaron.Cornelius@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6873276867407923383==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6873276867407923383== Content-Type: multipart/alternative; boundary=f46d043c80c813e07a052175f8cf --f46d043c80c813e07a052175f8cf Content-Type: text/plain; charset=UTF-8 Hi Paul, Aaron, On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos wrote: > We are trying to access a serial port passed to a domu. We're very new to > Mirage > and ocaml, but plan on converting our existing system to use MirageOS for > various domU's. > > So, at the moment, the question we have is whether anyone has had any > success > writing to multiple serial ports with one of those serial ports being > accessed > from a domu? > > As a first attempt, we took the Mirage console example and added a second > console. We connected it to '1' and then to /dev/null and tried to print > to it. > Neither of the ideas were valid. We're not sure what the console should be > named > or what the hashtbl is looking for. The application compiles, but the VM > halts > with a message stating. "... waiting for hotplug". The application built > for > unix didn't work either. > We are trying to read data from a GPS receiver from a domu. > Interesting! Is the GPS receiver connected to a physical serial port on the host? The virtual serial ports that Mirage can see need to be served by something on the host (a "backend", typically in dom0). If you're creating your VM with "xl create" then you can declare "channels"[1] which will spawn a qemu process in dom0 which will act as the server/backend. At the moment the backend can only be connected to a fresh tty or a Unix domain socket -- there is no built-in support for proxying to a real /dev/ttyS* device. I think the first thing to do is to verify that adding a 'channel' to your xl config file causes the Xen domU to get further than "waiting for hotplug". After that I think you could declare the backend to be a Unix domain socket, and then run a proxy in dom0 which would write the data to the appropriate ttyS device. Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't think about the possibility of a real serial port. I'm sure that could be added in future though. What do you think? Cheers, Dave Scott [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > Any ideas where we should look for getting this capability? > > I appreciate the help! > > Paul Skentzos > Aaron Cornelius > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --f46d043c80c813e07a052175f8cf Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Paul, Aaron,

On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos <paul.skentzos@dornerworks.com> wrote:
= We are trying to access a serial port passed to a domu. We're very new = to Mirage
and ocaml, but plan on converting our existing system to use MirageOS for various domU's.

So, at the moment, the question we have is whether anyone has had any succe= ss
writing to multiple serial ports with one of those serial ports being acces= sed
from a domu?

As a first attempt, we took the Mirage console example and added a second console. We connected it to '1' and then to /dev/null and tried to = print to it.
Neither of the ideas were valid. We're not sure what the console should= be named
or what the hashtbl is looking for. The application compiles, but the VM ha= lts
with a message stating. "... waiting for hotplug". The applicatio= n built for
unix didn't work either.

We are trying to read data from a GPS receiver from a domu.

Interesting! Is the GPS receiver connected to a physic= al serial port on the host?

The virtual serial por= ts that Mirage can see need to be served by something on the host (a "= backend", typically in dom0). If you're creating your VM with &quo= t;xl create" then you can declare "channels"[1] which will s= pawn a qemu process in dom0 which will act as the server/backend. At the mo= ment the backend can only be connected to a fresh tty or a Unix domain sock= et -- there is no built-in support for proxying to a real /dev/ttyS* device= .

I think the first thing to do is to verify that = adding a 'channel' to your xl config file causes the Xen domU to ge= t further than "waiting for hotplug". After that I think you coul= d declare the backend to be a Unix domain socket, and then run a proxy in d= om0 which would write the data to the appropriate ttyS device.
Sorry that's a bit clunky -- when I added the channel supp= ort to "xl" I didn't think about the possibility of a real se= rial port. I'm sure that could be added in future though.
What do you think?

Cheers,
D= ave Scott


Any ideas where we should look for getting this capability?

I appreciate the help!

Paul Skentzos
Aaron Cornelius





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



--
Dave Scott
--f46d043c80c813e07a052175f8cf-- --===============6873276867407923383== 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 --===============6873276867407923383==-- From mirageos-devel-bounces@lists.xenproject.org Tue Oct 06 21:04:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 06 Oct 2015 21:04:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjZP2-0002oJ-6z; Tue, 06 Oct 2015 21:04:04 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjZP0-0002oD-TX for mirageos-devel@lists.xenproject.org; Tue, 06 Oct 2015 21:04:03 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id A1/8E-04752-24734165; Tue, 06 Oct 2015 21:04:02 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-10.tower-27.messagelabs.com!1444165440!56249280!1 X-Originating-IP: [209.85.212.173] X-SpamReason: No, hits=0.9 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40,HTML_MESSAGE,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4967 invoked from network); 6 Oct 2015 21:04:00 -0000 Received: from mail-wi0-f173.google.com (HELO mail-wi0-f173.google.com) (209.85.212.173) by server-10.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 6 Oct 2015 21:04:00 -0000 Received: by wicge5 with SMTP id ge5so185142773wic.0 for ; Tue, 06 Oct 2015 14:04:00 -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=Z6bkNhvj6FEhwBF5gm9RxLJiFIXHtoosyewzIAQmk4M=; b=yG6TmbkXd2j1kP9CnfsipKJuLSBKy54/49EwOMUn0B4xIPiT3y9pYCsgOuD44GvmjQ YkxVG1GbmxwZG7MzsTdteIzr6Jg/u1t65r0Zb3QeMAjKwyxiSg2+XXo6rc5JiYAbe944 NdfhHhb+Cq6lKN5Mu5h1yFhViCsENUzpvS4xL91NVgxlaBFhCDU0iDa95bS18HclCg3I dOJEd7BmWLBDG4SHb6ySzZxNf0VpyAfr5UQ8Thjpg9Aa+zAmzMeE0J/6UyDQisPYCzrD FRQ8MHS6oCc2nwP9WD6c5zUY4U+CsAG+K4uypmpP2+mdVYg2D6Nt0DC56EVS0uQjEWu0 msbg== MIME-Version: 1.0 X-Received: by 10.180.93.131 with SMTP id cu3mr18713849wib.8.1444165440492; Tue, 06 Oct 2015 14:04:00 -0700 (PDT) Received: by 10.28.18.71 with HTTP; Tue, 6 Oct 2015 14:04:00 -0700 (PDT) In-Reply-To: <561420AC.6050504@dornerworks.com> References: <561420AC.6050504@dornerworks.com> Date: Tue, 6 Oct 2015 22:04:00 +0100 Message-ID: From: David Scott To: Paul Skentzos Cc: Aaron.Cornelius@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6873276867407923383==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6873276867407923383== Content-Type: multipart/alternative; boundary=f46d043c80c813e07a052175f8cf --f46d043c80c813e07a052175f8cf Content-Type: text/plain; charset=UTF-8 Hi Paul, Aaron, On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos wrote: > We are trying to access a serial port passed to a domu. We're very new to > Mirage > and ocaml, but plan on converting our existing system to use MirageOS for > various domU's. > > So, at the moment, the question we have is whether anyone has had any > success > writing to multiple serial ports with one of those serial ports being > accessed > from a domu? > > As a first attempt, we took the Mirage console example and added a second > console. We connected it to '1' and then to /dev/null and tried to print > to it. > Neither of the ideas were valid. We're not sure what the console should be > named > or what the hashtbl is looking for. The application compiles, but the VM > halts > with a message stating. "... waiting for hotplug". The application built > for > unix didn't work either. > We are trying to read data from a GPS receiver from a domu. > Interesting! Is the GPS receiver connected to a physical serial port on the host? The virtual serial ports that Mirage can see need to be served by something on the host (a "backend", typically in dom0). If you're creating your VM with "xl create" then you can declare "channels"[1] which will spawn a qemu process in dom0 which will act as the server/backend. At the moment the backend can only be connected to a fresh tty or a Unix domain socket -- there is no built-in support for proxying to a real /dev/ttyS* device. I think the first thing to do is to verify that adding a 'channel' to your xl config file causes the Xen domU to get further than "waiting for hotplug". After that I think you could declare the backend to be a Unix domain socket, and then run a proxy in dom0 which would write the data to the appropriate ttyS device. Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't think about the possibility of a real serial port. I'm sure that could be added in future though. What do you think? Cheers, Dave Scott [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > Any ideas where we should look for getting this capability? > > I appreciate the help! > > Paul Skentzos > Aaron Cornelius > > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > -- Dave Scott --f46d043c80c813e07a052175f8cf Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Paul, Aaron,

On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos <paul.skentzos@dornerworks.com> wrote:
= We are trying to access a serial port passed to a domu. We're very new = to Mirage
and ocaml, but plan on converting our existing system to use MirageOS for various domU's.

So, at the moment, the question we have is whether anyone has had any succe= ss
writing to multiple serial ports with one of those serial ports being acces= sed
from a domu?

As a first attempt, we took the Mirage console example and added a second console. We connected it to '1' and then to /dev/null and tried to = print to it.
Neither of the ideas were valid. We're not sure what the console should= be named
or what the hashtbl is looking for. The application compiles, but the VM ha= lts
with a message stating. "... waiting for hotplug". The applicatio= n built for
unix didn't work either.

We are trying to read data from a GPS receiver from a domu.

Interesting! Is the GPS receiver connected to a physic= al serial port on the host?

The virtual serial por= ts that Mirage can see need to be served by something on the host (a "= backend", typically in dom0). If you're creating your VM with &quo= t;xl create" then you can declare "channels"[1] which will s= pawn a qemu process in dom0 which will act as the server/backend. At the mo= ment the backend can only be connected to a fresh tty or a Unix domain sock= et -- there is no built-in support for proxying to a real /dev/ttyS* device= .

I think the first thing to do is to verify that = adding a 'channel' to your xl config file causes the Xen domU to ge= t further than "waiting for hotplug". After that I think you coul= d declare the backend to be a Unix domain socket, and then run a proxy in d= om0 which would write the data to the appropriate ttyS device.
Sorry that's a bit clunky -- when I added the channel supp= ort to "xl" I didn't think about the possibility of a real se= rial port. I'm sure that could be added in future though.
What do you think?

Cheers,
D= ave Scott


Any ideas where we should look for getting this capability?

I appreciate the help!

Paul Skentzos
Aaron Cornelius





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



--
Dave Scott
--f46d043c80c813e07a052175f8cf-- --===============6873276867407923383== 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 --===============6873276867407923383==-- From mirageos-devel-bounces@lists.xenproject.org Wed Oct 07 12:56:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 12:56:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoGh-0005mh-LW; Wed, 07 Oct 2015 12:56:27 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoGf-0005mb-Te for MirageOS-devel@lists.xenproject.org; Wed, 07 Oct 2015 12:56:26 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id 6F/09-19220-97615165; Wed, 07 Oct 2015 12:56:25 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1444222583!40568703!1 X-Originating-IP: [209.85.217.180] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25127 invoked from network); 7 Oct 2015 12:56:24 -0000 Received: from mail-lb0-f180.google.com (HELO mail-lb0-f180.google.com) (209.85.217.180) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 7 Oct 2015 12:56:24 -0000 Received: by lbos8 with SMTP id s8so9917120lbo.0 for ; Wed, 07 Oct 2015 05:56:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=hGfbvyXPJhC6flUGjRwyEPdhCn0ZFDEazFIo/RHbpf4=; b=BctYzdxsbZiETl9wm3jp7Z+PBrNo3dWdc0wbJPUTGfQ6+FSqxt7LfTXALBFZsok8Sd ZpHGWR+BmDAkEU9/70mBWZlRA5gTIk5PzPg6pAUYR0O5dj/9iY5WH/C15ku/F/Neeuqq lX4uf/ONxO212sD/NgpIBTASoQwfKITCdrEkilrtb9HTReu7218AqCMJBrn4ReYNXvn+ nNFpOQhQ/MU207fUmgpdeyEgpheESb/7NUfSfLvTmueGc1NIPRrDuG45P0YKYyifw2cS swnTddFMbrZdL8DCpb2B5uDhevbqd3DV84c/mop6f8LkWD37PyerTVsG7EK1f24U889T 8rQQ== MIME-Version: 1.0 X-Received: by 10.25.17.94 with SMTP id g91mr348214lfi.12.1444222583174; Wed, 07 Oct 2015 05:56:23 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Wed, 7 Oct 2015 05:56:23 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Wed, 7 Oct 2015 14:56:23 +0200 X-Google-Sender-Auth: AYz5mdgUacMas3juyeX7TbumIA4 Message-ID: From: "Christiano F. Haesbaert" To: Richard Mortier Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 12:05, Christiano F. Haesbaert wrote: > On 30 September 2015 at 18:50, Richard Mortier > wrote: >> [ Adding the list as discussion may be of more general interest. This >> concerns Christiano's DHCP server, Charrua, at >> https://github.com/haesbaert/charrua-core, >> https://github.com/haesbaert/charrua-mirage and >> https://github.com/haesbaert/charrua-unix. ] >> >> On 30 September 2015 at 13:39, Christiano F. Haesbaert >> wrote: >>> >>> On Wednesday, 30 September 2015, Richard Mortier >>> wrote: >>>> >> ... >>>> Some random thoughts: >>>> >>>> + Is there a reason why you include clock.mli rather than depending on >>>> mirage-types and using the definition from there? >>> >>> Probably inexperience, that was for charrua-unix to be able to use the Ocaml >>> Clock module without having a functor, but I want to change that, didnt find >>> a better way at the time. >> >> Given you're using functors elsewhere, why is it a problem to use a >> functor for Clock too? >> >>>> + I notice the INTERFACE type you define -- is this something that we >>>> should think about adding to mirage-types? >>> >>> Don't think so. >>> This is an artifact of having the library working outside mirage >>> (charrua-unix), i basically need to tell the Server module how to do IO and >>> what is an interface. Im not too happy with the way I wrote this, perphaps >>> there is a better way ? >> >> This may bear some thinking about-- I wonder if the right thing to do >> is to just use the Mirage types, functors, libraries, etc, but (using >> @drup's shiny new Functoria-based Mirage DSL implementation) implement >> a "native Unix" backend so that cmdliner and other things can be used >> as-is. That way you can leverage the module types and libraries all >> the way down, but aren't tied to having the entry point look like a >> unikernel (hence can pass params etc as you would normally). >> >> All-- thoughts? >> >>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>>> I can try and put a PR together for this if you prefer... >>> >>> Sure let's do it, but by PR you mean ? >> >> Pull Request :) >> > > So I gave a stab at this, but it seemed pointless without the cenum > conversion, the only thing left would be a cstruct Dhcp. > I had a look on your tftp library, and it seems all the parsing and > such is in tftp.wire itself, while mine is in dhcp.ml, I only use a > Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct > definitions play nice with merlin. > Should we keep both ? I like the idea of a Dhcp module, and I think > that is more important to be a separate library than the Dhcp_wire, or > maybe both should be separated ? > I'm starting the cenum conversion and that might shed some light on > how to proceed. > So I think I have addressed all the points now. * Fixed the clock.mli inclusion. * Converted relevant types to cstruct. * Split into charrua-core.server and charrua-core.wire as suggested. Then on the next release I can concentrate on Alistair irmin lease storage and some regression tests. I still have to write and document a dhcp_wire.mli. If you could have a look just to make sure I got it right, would be awesome :D. >>>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>>> construct for declaring the codepoints etc? (Wondering whether >>>> something that replaces `cstruct ... { }` could/should be replaced >>>> with something that enables`with cstruct` a la `with sexp`.) >>> >>> i didn't know about cenum, that will make things easier, I will work on that >>> thus week. >> >> Cool. In general I think we have an inclination now to remove camlp4 >> syntax extensions where possible -- I don't know if anyone has looked >> at replacing cstruct.syntax though (which I would guess is the most >> commonly used now we don't generally use lwt.syntax). Anyone? >> >>>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>>> there a logging framework ready for use/Is dog the place to start for >>>> one? (I'll push Tftp over onto it as well if so.) >>> >>> That was also to be able to use charrua-core outside of mirage. >> >> I understood that Dog depended on Irmin rather than Mirage, but I >> might be wrong. (@samoht?) >> >>>> + Alistair had started adding (possibly got to some kind of >>>> completion) Irmin support for the state in his version (based directly >>>> off mirage-tcpip -- >>>> >>>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d08397033b8c4f830a519db5a0) >>>> -- would be great to look at adding/merging this somehow. >>> >>> I agree, i can work on merging his code, I would do it for 0.2 though. >> >> Fair enough :) >> >>> Bear in mind my ocaml-foo may not be on paar, you should see other naive >>> mistakes and/or uncommon idioms. >> >> I'm sure those with sufficient experience will eventually point them out :) >> >>> If supporting Charrua-core outside of mirage contaminates too much of the >>> design, I can drop charrua-unix. This was in fact my first idea, but then I >>> figure it would be interesting on the architectural level, since it provides >>> a stronger separation between the core logic and the rest. >> >> FWIW, what I was trying to do with `ocaml-tftp` was to have the >> library and then Mirage and (pure) Unix servers (and ultimately, >> clients) in a single repo, under different directories, using Oasis to >> generate the necessary build runes and OPAM to manage installation of >> different generated ocamlfind components. (Though I just noticed I >> need to split that down more.) Not entirely successful (or finished!) >> so far, but it mostly seemed to work. (And meant I didn't have to >> worry about too many repos.) >> >> -- _______________________________________________ MirageOS-devel 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 Oct 07 12:56:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 12:56:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoGh-0005mh-LW; Wed, 07 Oct 2015 12:56:27 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoGf-0005mb-Te for MirageOS-devel@lists.xenproject.org; Wed, 07 Oct 2015 12:56:26 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id 6F/09-19220-97615165; Wed, 07 Oct 2015 12:56:25 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1444222583!40568703!1 X-Originating-IP: [209.85.217.180] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25127 invoked from network); 7 Oct 2015 12:56:24 -0000 Received: from mail-lb0-f180.google.com (HELO mail-lb0-f180.google.com) (209.85.217.180) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 7 Oct 2015 12:56:24 -0000 Received: by lbos8 with SMTP id s8so9917120lbo.0 for ; Wed, 07 Oct 2015 05:56:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=hGfbvyXPJhC6flUGjRwyEPdhCn0ZFDEazFIo/RHbpf4=; b=BctYzdxsbZiETl9wm3jp7Z+PBrNo3dWdc0wbJPUTGfQ6+FSqxt7LfTXALBFZsok8Sd ZpHGWR+BmDAkEU9/70mBWZlRA5gTIk5PzPg6pAUYR0O5dj/9iY5WH/C15ku/F/Neeuqq lX4uf/ONxO212sD/NgpIBTASoQwfKITCdrEkilrtb9HTReu7218AqCMJBrn4ReYNXvn+ nNFpOQhQ/MU207fUmgpdeyEgpheESb/7NUfSfLvTmueGc1NIPRrDuG45P0YKYyifw2cS swnTddFMbrZdL8DCpb2B5uDhevbqd3DV84c/mop6f8LkWD37PyerTVsG7EK1f24U889T 8rQQ== MIME-Version: 1.0 X-Received: by 10.25.17.94 with SMTP id g91mr348214lfi.12.1444222583174; Wed, 07 Oct 2015 05:56:23 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Wed, 7 Oct 2015 05:56:23 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Wed, 7 Oct 2015 14:56:23 +0200 X-Google-Sender-Auth: AYz5mdgUacMas3juyeX7TbumIA4 Message-ID: From: "Christiano F. Haesbaert" To: Richard Mortier Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 12:05, Christiano F. Haesbaert wrote: > On 30 September 2015 at 18:50, Richard Mortier > wrote: >> [ Adding the list as discussion may be of more general interest. This >> concerns Christiano's DHCP server, Charrua, at >> https://github.com/haesbaert/charrua-core, >> https://github.com/haesbaert/charrua-mirage and >> https://github.com/haesbaert/charrua-unix. ] >> >> On 30 September 2015 at 13:39, Christiano F. Haesbaert >> wrote: >>> >>> On Wednesday, 30 September 2015, Richard Mortier >>> wrote: >>>> >> ... >>>> Some random thoughts: >>>> >>>> + Is there a reason why you include clock.mli rather than depending on >>>> mirage-types and using the definition from there? >>> >>> Probably inexperience, that was for charrua-unix to be able to use the Ocaml >>> Clock module without having a functor, but I want to change that, didnt find >>> a better way at the time. >> >> Given you're using functors elsewhere, why is it a problem to use a >> functor for Clock too? >> >>>> + I notice the INTERFACE type you define -- is this something that we >>>> should think about adding to mirage-types? >>> >>> Don't think so. >>> This is an artifact of having the library working outside mirage >>> (charrua-unix), i basically need to tell the Server module how to do IO and >>> what is an interface. Im not too happy with the way I wrote this, perphaps >>> there is a better way ? >> >> This may bear some thinking about-- I wonder if the right thing to do >> is to just use the Mirage types, functors, libraries, etc, but (using >> @drup's shiny new Functoria-based Mirage DSL implementation) implement >> a "native Unix" backend so that cmdliner and other things can be used >> as-is. That way you can leverage the module types and libraries all >> the way down, but aren't tied to having the entry point look like a >> unikernel (hence can pass params etc as you would normally). >> >> All-- thoughts? >> >>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>>> I can try and put a PR together for this if you prefer... >>> >>> Sure let's do it, but by PR you mean ? >> >> Pull Request :) >> > > So I gave a stab at this, but it seemed pointless without the cenum > conversion, the only thing left would be a cstruct Dhcp. > I had a look on your tftp library, and it seems all the parsing and > such is in tftp.wire itself, while mine is in dhcp.ml, I only use a > Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct > definitions play nice with merlin. > Should we keep both ? I like the idea of a Dhcp module, and I think > that is more important to be a separate library than the Dhcp_wire, or > maybe both should be separated ? > I'm starting the cenum conversion and that might shed some light on > how to proceed. > So I think I have addressed all the points now. * Fixed the clock.mli inclusion. * Converted relevant types to cstruct. * Split into charrua-core.server and charrua-core.wire as suggested. Then on the next release I can concentrate on Alistair irmin lease storage and some regression tests. I still have to write and document a dhcp_wire.mli. If you could have a look just to make sure I got it right, would be awesome :D. >>>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>>> construct for declaring the codepoints etc? (Wondering whether >>>> something that replaces `cstruct ... { }` could/should be replaced >>>> with something that enables`with cstruct` a la `with sexp`.) >>> >>> i didn't know about cenum, that will make things easier, I will work on that >>> thus week. >> >> Cool. In general I think we have an inclination now to remove camlp4 >> syntax extensions where possible -- I don't know if anyone has looked >> at replacing cstruct.syntax though (which I would guess is the most >> commonly used now we don't generally use lwt.syntax). Anyone? >> >>>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>>> there a logging framework ready for use/Is dog the place to start for >>>> one? (I'll push Tftp over onto it as well if so.) >>> >>> That was also to be able to use charrua-core outside of mirage. >> >> I understood that Dog depended on Irmin rather than Mirage, but I >> might be wrong. (@samoht?) >> >>>> + Alistair had started adding (possibly got to some kind of >>>> completion) Irmin support for the state in his version (based directly >>>> off mirage-tcpip -- >>>> >>>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d08397033b8c4f830a519db5a0) >>>> -- would be great to look at adding/merging this somehow. >>> >>> I agree, i can work on merging his code, I would do it for 0.2 though. >> >> Fair enough :) >> >>> Bear in mind my ocaml-foo may not be on paar, you should see other naive >>> mistakes and/or uncommon idioms. >> >> I'm sure those with sufficient experience will eventually point them out :) >> >>> If supporting Charrua-core outside of mirage contaminates too much of the >>> design, I can drop charrua-unix. This was in fact my first idea, but then I >>> figure it would be interesting on the architectural level, since it provides >>> a stronger separation between the core logic and the rest. >> >> FWIW, what I was trying to do with `ocaml-tftp` was to have the >> library and then Mirage and (pure) Unix servers (and ultimately, >> clients) in a single repo, under different directories, using Oasis to >> generate the necessary build runes and OPAM to manage installation of >> different generated ocamlfind components. (Though I just noticed I >> need to split that down more.) Not entirely successful (or finished!) >> so far, but it mostly seemed to work. (And meant I didn't have to >> worry about too many repos.) >> >> -- _______________________________________________ MirageOS-devel 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 Oct 07 13:00:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 13:00:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoKZ-0006Kb-1C; Wed, 07 Oct 2015 13:00:27 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoKW-0006KW-V7 for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 13:00:25 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id 75/37-01753-86715165; Wed, 07 Oct 2015 13:00:24 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1444222820!51112080!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11131 invoked from network); 7 Oct 2015 13:00:21 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-8.tower-31.messagelabs.com with SMTP; 7 Oct 2015 13:00:21 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Wed, 7 Oct 2015 09:00:17 -0400 To: David Scott References: <561420AC.6050504@dornerworks.com> From: Paul Skentzos Message-ID: <5615175F.2080203@dornerworks.com> Date: Wed, 7 Oct 2015 09:00:15 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [172.27.13.155] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Dave, On 10/6/2015 5:04 PM, David Scott wrote: > Hi Paul, Aaron, > > On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos > wrote: > > We are trying to access a serial port passed to a domu. We're very new to Mirage > and ocaml, but plan on converting our existing system to use MirageOS for > various domU's. > > So, at the moment, the question we have is whether anyone has had any success > writing to multiple serial ports with one of those serial ports being accessed > from a domu? > > As a first attempt, we took the Mirage console example and added a second > console. We connected it to '1' and then to /dev/null and tried to print to it. > Neither of the ideas were valid. We're not sure what the console should be named > or what the hashtbl is looking for. The application compiles, but the VM halts > with a message stating. "... waiting for hotplug". The application built for > unix didn't work either. > > > We are trying to read data from a GPS receiver from a domu. > > > Interesting! Is the GPS receiver connected to a physical serial port on the host? > Thanks for the quick response. Yes, the GPS is connected to the host, to a hardware serial port. > The virtual serial ports that Mirage can see need to be served by something on > the host (a "backend", typically in dom0). If you're creating your VM with "xl > create" then you can declare "channels"[1] which will spawn a qemu process in > dom0 which will act as the server/backend. At the moment the backend can only be > connected to a fresh tty or a Unix domain socket -- there is no built-in support > for proxying to a real /dev/ttyS* device. > > I think the first thing to do is to verify that adding a 'channel' to your xl > config file causes the Xen domU to get further than "waiting for hotplug". After > that I think you could declare the backend to be a Unix domain socket, and then > run a proxy in dom0 which would write the data to the appropriate ttyS device. > > Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't > think about the possibility of a real serial port. I'm sure that could be added > in future though. > > What do you think? > This is really good information and you were speaking the language my colleague and I were as we iterated through the design. Here are our results. Running the system on an x86 VM worked just as you described above, so that was great news. However, and we should have been clear about this at the beginning, our hardware platform is ARM based; Cubietruck, specifically. We tried the same process on the Cubietruck and it did not work. I'm assuming that this is the case since ARM does not make use of qemu like x86 does. It seems that this could be overcome on ARM, however not without some difficulty. Any thoughts on this? Best regards, Paul > Cheers, > Dave Scott > > [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > > Any ideas where we should look for getting this capability? > > I appreciate the help! > > Paul Skentzos > Aaron Cornelius > > > > > > _______________________________________________ > 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 From mirageos-devel-bounces@lists.xenproject.org Wed Oct 07 13:00:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 13:00:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoKZ-0006Kb-1C; Wed, 07 Oct 2015 13:00:27 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjoKW-0006KW-V7 for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 13:00:25 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id 75/37-01753-86715165; Wed, 07 Oct 2015 13:00:24 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1444222820!51112080!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11131 invoked from network); 7 Oct 2015 13:00:21 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-8.tower-31.messagelabs.com with SMTP; 7 Oct 2015 13:00:21 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Wed, 7 Oct 2015 09:00:17 -0400 To: David Scott References: <561420AC.6050504@dornerworks.com> From: Paul Skentzos Message-ID: <5615175F.2080203@dornerworks.com> Date: Wed, 7 Oct 2015 09:00:15 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [172.27.13.155] Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Dave, On 10/6/2015 5:04 PM, David Scott wrote: > Hi Paul, Aaron, > > On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos > wrote: > > We are trying to access a serial port passed to a domu. We're very new to Mirage > and ocaml, but plan on converting our existing system to use MirageOS for > various domU's. > > So, at the moment, the question we have is whether anyone has had any success > writing to multiple serial ports with one of those serial ports being accessed > from a domu? > > As a first attempt, we took the Mirage console example and added a second > console. We connected it to '1' and then to /dev/null and tried to print to it. > Neither of the ideas were valid. We're not sure what the console should be named > or what the hashtbl is looking for. The application compiles, but the VM halts > with a message stating. "... waiting for hotplug". The application built for > unix didn't work either. > > > We are trying to read data from a GPS receiver from a domu. > > > Interesting! Is the GPS receiver connected to a physical serial port on the host? > Thanks for the quick response. Yes, the GPS is connected to the host, to a hardware serial port. > The virtual serial ports that Mirage can see need to be served by something on > the host (a "backend", typically in dom0). If you're creating your VM with "xl > create" then you can declare "channels"[1] which will spawn a qemu process in > dom0 which will act as the server/backend. At the moment the backend can only be > connected to a fresh tty or a Unix domain socket -- there is no built-in support > for proxying to a real /dev/ttyS* device. > > I think the first thing to do is to verify that adding a 'channel' to your xl > config file causes the Xen domU to get further than "waiting for hotplug". After > that I think you could declare the backend to be a Unix domain socket, and then > run a proxy in dom0 which would write the data to the appropriate ttyS device. > > Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't > think about the possibility of a real serial port. I'm sure that could be added > in future though. > > What do you think? > This is really good information and you were speaking the language my colleague and I were as we iterated through the design. Here are our results. Running the system on an x86 VM worked just as you described above, so that was great news. However, and we should have been clear about this at the beginning, our hardware platform is ARM based; Cubietruck, specifically. We tried the same process on the Cubietruck and it did not work. I'm assuming that this is the case since ARM does not make use of qemu like x86 does. It seems that this could be overcome on ARM, however not without some difficulty. Any thoughts on this? Best regards, Paul > Cheers, > Dave Scott > > [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > > Any ideas where we should look for getting this capability? > > I appreciate the help! > > Paul Skentzos > Aaron Cornelius > > > > > > _______________________________________________ > 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 From mirageos-devel-bounces@lists.xenproject.org Wed Oct 07 14:16:19 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 14:16:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjpVu-0003kQ-5f; Wed, 07 Oct 2015 14:16:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjpVs-0003fF-3O for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 14:16:12 +0000 Received: from [193.109.254.147] by server-1.bemta-14.messagelabs.com id 66/A8-28791-B2925165; Wed, 07 Oct 2015 14:16:11 +0000 X-Env-Sender: lukedunstan81@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1444227368!20557236!1 X-Originating-IP: [209.85.223.172] X-SpamReason: No, hits=0.6 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1848 invoked from network); 7 Oct 2015 14:16:09 -0000 Received: from mail-io0-f172.google.com (HELO mail-io0-f172.google.com) (209.85.223.172) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 7 Oct 2015 14:16:09 -0000 Received: by ioiz6 with SMTP id z6so23553776ioi.2 for ; Wed, 07 Oct 2015 07:16:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-type; bh=g/K/wf7U7VhhsRP2/PW+GvqJVyTud1hW9dSp8ZCK2+M=; b=f8c571GFZeffLhvjSPaQ2onesw1WJE/NGaBBltdtaFBV8utgXs7nrbuj+/NZaq41YS T8e1JzOesbccI1oApliE+CrMQxuAVCwAtA64W0iPNwuRqOmVUiDnN35FnxFZ21SZFBDb MB3XUo1bsQ4XKs2k4UzsZ9vvzWXR6i6JC5YqXs2uFF1BK3AUgbi2J5h3CBW5P7RngPXy obV5uLmBsrw5XjkVFp+h8S2ZYB3J91JjeZW4miBZ87JDp2ejOt6mlYOGaRRWFlrgeIw/ wYhoXy3vXgcZhxNiqm3jRVJ6Y5ZJecOkdGg8xr1hshjfadavv2wxtnZHt0ddhO7CNfGI /iIw== X-Received: by 10.107.11.154 with SMTP id 26mr2270699iol.105.1444227368076; Wed, 07 Oct 2015 07:16:08 -0700 (PDT) MIME-Version: 1.0 References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> In-Reply-To: <5615175F.2080203@dornerworks.com> From: Luke Dunstan Date: Wed, 07 Oct 2015 14:15:58 +0000 Message-ID: To: Paul Skentzos , David Scott Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4403995805488089523==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4403995805488089523== Content-Type: multipart/alternative; boundary=001a113f7e7c3fcc840521846363 --001a113f7e7c3fcc840521846363 Content-Type: text/plain; charset=UTF-8 Hi Paul, Did you get serial ports working even in dom0 on Cubietruck yet? It took me quite a while to discover that Xen normally disables the A20 UARTs by deleting them from the device tree: http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 Luke On Wed, 7 Oct 2015 at 21:00 Paul Skentzos wrote: > Dave, > > > On 10/6/2015 5:04 PM, David Scott wrote: > > Hi Paul, Aaron, > > > > On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos < > paul.skentzos@dornerworks.com > > > wrote: > > > > We are trying to access a serial port passed to a domu. We're very > new to Mirage > > and ocaml, but plan on converting our existing system to use > MirageOS for > > various domU's. > > > > So, at the moment, the question we have is whether anyone has had > any success > > writing to multiple serial ports with one of those serial ports > being accessed > > from a domu? > > > > As a first attempt, we took the Mirage console example and added a > second > > console. We connected it to '1' and then to /dev/null and tried to > print to it. > > Neither of the ideas were valid. We're not sure what the console > should be named > > or what the hashtbl is looking for. The application compiles, but > the VM halts > > with a message stating. "... waiting for hotplug". The application > built for > > unix didn't work either. > > > > > > We are trying to read data from a GPS receiver from a domu. > > > > > > Interesting! Is the GPS receiver connected to a physical serial port on > the host? > > > > Thanks for the quick response. Yes, the GPS is connected to the host, to a > hardware serial port. > > > The virtual serial ports that Mirage can see need to be served by > something on > > the host (a "backend", typically in dom0). If you're creating your VM > with "xl > > create" then you can declare "channels"[1] which will spawn a qemu > process in > > dom0 which will act as the server/backend. At the moment the backend can > only be > > connected to a fresh tty or a Unix domain socket -- there is no built-in > support > > for proxying to a real /dev/ttyS* device. > > > > I think the first thing to do is to verify that adding a 'channel' to > your xl > > config file causes the Xen domU to get further than "waiting for > hotplug". After > > that I think you could declare the backend to be a Unix domain socket, > and then > > run a proxy in dom0 which would write the data to the appropriate ttyS > device. > > > > Sorry that's a bit clunky -- when I added the channel support to "xl" I > didn't > > think about the possibility of a real serial port. I'm sure that could > be added > > in future though. > > > > What do you think? > > > > This is really good information and you were speaking the language my > colleague > and I were as we iterated through the design. > > Here are our results. Running the system on an x86 VM worked just as you > described above, so that was great news. However, and we should have been > clear > about this at the beginning, our hardware platform is ARM based; > Cubietruck, > specifically. We tried the same process on the Cubietruck and it did not > work. > I'm assuming that this is the case since ARM does not make use of qemu > like x86 > does. > > It seems that this could be overcome on ARM, however not without some > difficulty. Any thoughts on this? > > Best regards, > Paul > > > > Cheers, > > Dave Scott > > > > [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > > > > > Any ideas where we should look for getting this capability? > > > > I appreciate the help! > > > > Paul Skentzos > > Aaron Cornelius > > > > > > > > > > > > _______________________________________________ > > MirageOS-devel mailing list > > MirageOS-devel@lists.xenproject.org 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 > --001a113f7e7c3fcc840521846363 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Paul,

Did you get serial ports worki= ng=C2=A0even=C2=A0in dom0 on Cubie= truck yet? It took me quite a while to discover that Xen normally disables = the A20 UARTs by deleting them from the device tree:

<= /div>

Luke


On Wed, 7 Oct 2015 at 2= 1:00 Paul Skentzos <pau= l.skentzos@dornerworks.com> wrote:
Dave,


On 10/6/2015 5:04 PM, David Scott wrote:
> Hi Paul, Aaron,
>
> On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos <paul.skentzos@dornerworks.co= m
> <mailto:paul.skentzos@dornerworks.com>> wrote:
>
>=C2=A0 =C2=A0 =C2=A0We are trying to access a serial port passed to a d= omu. We're very new to Mirage
>=C2=A0 =C2=A0 =C2=A0and ocaml, but plan on converting our existing syst= em to use MirageOS for
>=C2=A0 =C2=A0 =C2=A0various domU's.
>
>=C2=A0 =C2=A0 =C2=A0So, at the moment, the question we have is whether = anyone has had any success
>=C2=A0 =C2=A0 =C2=A0writing to multiple serial ports with one of those = serial ports being accessed
>=C2=A0 =C2=A0 =C2=A0from a domu?
>
>=C2=A0 =C2=A0 =C2=A0As a first attempt, we took the Mirage console exam= ple and added a second
>=C2=A0 =C2=A0 =C2=A0console. We connected it to '1' and then to= /dev/null and tried to print to it.
>=C2=A0 =C2=A0 =C2=A0Neither of the ideas were valid. We're not sure= what the console should be named
>=C2=A0 =C2=A0 =C2=A0or what the hashtbl is looking for. The application= compiles, but the VM halts
>=C2=A0 =C2=A0 =C2=A0with a message stating. "... waiting for hotpl= ug". The application built for
>=C2=A0 =C2=A0 =C2=A0unix didn't work either.
>
>
>=C2=A0 =C2=A0 =C2=A0We are trying to read data from a GPS receiver from= a domu.
>
>
> Interesting! Is the GPS receiver connected to a physical serial port o= n the host?
>

Thanks for the quick response. Yes, the GPS is connected to the host, to a<= br> hardware serial port.

> The virtual serial ports that Mirage can see need to be served by some= thing on
> the host (a "backend", typically in dom0). If you're cre= ating your VM with "xl
> create" then you can declare "channels"[1] which will s= pawn a qemu process in
> dom0 which will act as the server/backend. At the moment the backend c= an only be
> connected to a fresh tty or a Unix domain socket -- there is no built-= in support
> for proxying to a real /dev/ttyS* device.
>
> I think the first thing to do is to verify that adding a 'channel&= #39; to your xl
> config file causes the Xen domU to get further than "waiting for = hotplug". After
> that I think you could declare the backend to be a Unix domain socket,= and then
> run a proxy in dom0 which would write the data to the appropriate ttyS= device.
>
> Sorry that's a bit clunky -- when I added the channel support to &= quot;xl" I didn't
> think about the possibility of a real serial port. I'm sure that c= ould be added
> in future though.
>
> What do you think?
>

This is really good information and you were speaking the language my colle= ague
and I were as we iterated through the design.

Here are our results. Running the system on an x86 VM worked just as you described above, so that was great news. However, and we should have been c= lear
about this at the beginning, our hardware platform is ARM based; Cubietruck= ,
specifically. We tried the same process on the Cubietruck and it did not wo= rk.
I'm assuming that this is the case since ARM does not make use of qemu = like x86
does.

It seems that this could be overcome on ARM, however not without some
difficulty. Any thoughts on this?

Best regards,
Paul


> Cheers,
> Dave Scott
>
> [1] http://xenbits.xen.org/docs/unstable/m= isc/channel.txt
>
>
>=C2=A0 =C2=A0 =C2=A0Any ideas where we should look for getting this cap= ability?
>
>=C2=A0 =C2=A0 =C2=A0I appreciate the help!
>
>=C2=A0 =C2=A0 =C2=A0Paul Skentzos
>=C2=A0 =C2=A0 =C2=A0Aaron Cornelius
>
>
>
>
>
>=C2=A0 =C2=A0 =C2=A0_______________________________________________
>=C2=A0 =C2=A0 =C2=A0MirageOS-devel mailing list
>=C2=A0 =C2=A0 =C2=A0MirageOS-devel@lists.xenproject.org <mailto:Mira= geOS-devel@lists.xenproject.org>
>=C2=A0 =C2=A0 =C2=A0http://li= sts.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel
>
>
>
>
> --
> Dave Scott

_______________________________________________
MirageOS-devel mailing list
Mi= rageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel
--001a113f7e7c3fcc840521846363-- --===============4403995805488089523== 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 --===============4403995805488089523==-- From mirageos-devel-bounces@lists.xenproject.org Wed Oct 07 14:16:19 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 14:16:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjpVu-0003kQ-5f; Wed, 07 Oct 2015 14:16:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjpVs-0003fF-3O for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 14:16:12 +0000 Received: from [193.109.254.147] by server-1.bemta-14.messagelabs.com id 66/A8-28791-B2925165; Wed, 07 Oct 2015 14:16:11 +0000 X-Env-Sender: lukedunstan81@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1444227368!20557236!1 X-Originating-IP: [209.85.223.172] X-SpamReason: No, hits=0.6 required=7.0 tests=BODY_RANDOM_LONG, HTML_30_40,HTML_MESSAGE X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1848 invoked from network); 7 Oct 2015 14:16:09 -0000 Received: from mail-io0-f172.google.com (HELO mail-io0-f172.google.com) (209.85.223.172) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 7 Oct 2015 14:16:09 -0000 Received: by ioiz6 with SMTP id z6so23553776ioi.2 for ; Wed, 07 Oct 2015 07:16:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-type; bh=g/K/wf7U7VhhsRP2/PW+GvqJVyTud1hW9dSp8ZCK2+M=; b=f8c571GFZeffLhvjSPaQ2onesw1WJE/NGaBBltdtaFBV8utgXs7nrbuj+/NZaq41YS T8e1JzOesbccI1oApliE+CrMQxuAVCwAtA64W0iPNwuRqOmVUiDnN35FnxFZ21SZFBDb MB3XUo1bsQ4XKs2k4UzsZ9vvzWXR6i6JC5YqXs2uFF1BK3AUgbi2J5h3CBW5P7RngPXy obV5uLmBsrw5XjkVFp+h8S2ZYB3J91JjeZW4miBZ87JDp2ejOt6mlYOGaRRWFlrgeIw/ wYhoXy3vXgcZhxNiqm3jRVJ6Y5ZJecOkdGg8xr1hshjfadavv2wxtnZHt0ddhO7CNfGI /iIw== X-Received: by 10.107.11.154 with SMTP id 26mr2270699iol.105.1444227368076; Wed, 07 Oct 2015 07:16:08 -0700 (PDT) MIME-Version: 1.0 References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> In-Reply-To: <5615175F.2080203@dornerworks.com> From: Luke Dunstan Date: Wed, 07 Oct 2015 14:15:58 +0000 Message-ID: To: Paul Skentzos , David Scott Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4403995805488089523==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4403995805488089523== Content-Type: multipart/alternative; boundary=001a113f7e7c3fcc840521846363 --001a113f7e7c3fcc840521846363 Content-Type: text/plain; charset=UTF-8 Hi Paul, Did you get serial ports working even in dom0 on Cubietruck yet? It took me quite a while to discover that Xen normally disables the A20 UARTs by deleting them from the device tree: http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 Luke On Wed, 7 Oct 2015 at 21:00 Paul Skentzos wrote: > Dave, > > > On 10/6/2015 5:04 PM, David Scott wrote: > > Hi Paul, Aaron, > > > > On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos < > paul.skentzos@dornerworks.com > > > wrote: > > > > We are trying to access a serial port passed to a domu. We're very > new to Mirage > > and ocaml, but plan on converting our existing system to use > MirageOS for > > various domU's. > > > > So, at the moment, the question we have is whether anyone has had > any success > > writing to multiple serial ports with one of those serial ports > being accessed > > from a domu? > > > > As a first attempt, we took the Mirage console example and added a > second > > console. We connected it to '1' and then to /dev/null and tried to > print to it. > > Neither of the ideas were valid. We're not sure what the console > should be named > > or what the hashtbl is looking for. The application compiles, but > the VM halts > > with a message stating. "... waiting for hotplug". The application > built for > > unix didn't work either. > > > > > > We are trying to read data from a GPS receiver from a domu. > > > > > > Interesting! Is the GPS receiver connected to a physical serial port on > the host? > > > > Thanks for the quick response. Yes, the GPS is connected to the host, to a > hardware serial port. > > > The virtual serial ports that Mirage can see need to be served by > something on > > the host (a "backend", typically in dom0). If you're creating your VM > with "xl > > create" then you can declare "channels"[1] which will spawn a qemu > process in > > dom0 which will act as the server/backend. At the moment the backend can > only be > > connected to a fresh tty or a Unix domain socket -- there is no built-in > support > > for proxying to a real /dev/ttyS* device. > > > > I think the first thing to do is to verify that adding a 'channel' to > your xl > > config file causes the Xen domU to get further than "waiting for > hotplug". After > > that I think you could declare the backend to be a Unix domain socket, > and then > > run a proxy in dom0 which would write the data to the appropriate ttyS > device. > > > > Sorry that's a bit clunky -- when I added the channel support to "xl" I > didn't > > think about the possibility of a real serial port. I'm sure that could > be added > > in future though. > > > > What do you think? > > > > This is really good information and you were speaking the language my > colleague > and I were as we iterated through the design. > > Here are our results. Running the system on an x86 VM worked just as you > described above, so that was great news. However, and we should have been > clear > about this at the beginning, our hardware platform is ARM based; > Cubietruck, > specifically. We tried the same process on the Cubietruck and it did not > work. > I'm assuming that this is the case since ARM does not make use of qemu > like x86 > does. > > It seems that this could be overcome on ARM, however not without some > difficulty. Any thoughts on this? > > Best regards, > Paul > > > > Cheers, > > Dave Scott > > > > [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > > > > > Any ideas where we should look for getting this capability? > > > > I appreciate the help! > > > > Paul Skentzos > > Aaron Cornelius > > > > > > > > > > > > _______________________________________________ > > MirageOS-devel mailing list > > MirageOS-devel@lists.xenproject.org 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 > --001a113f7e7c3fcc840521846363 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi Paul,

Did you get serial ports worki= ng=C2=A0even=C2=A0in dom0 on Cubie= truck yet? It took me quite a while to discover that Xen normally disables = the A20 UARTs by deleting them from the device tree:

<= /div>

Luke


On Wed, 7 Oct 2015 at 2= 1:00 Paul Skentzos <pau= l.skentzos@dornerworks.com> wrote:
Dave,


On 10/6/2015 5:04 PM, David Scott wrote:
> Hi Paul, Aaron,
>
> On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos <paul.skentzos@dornerworks.co= m
> <mailto:paul.skentzos@dornerworks.com>> wrote:
>
>=C2=A0 =C2=A0 =C2=A0We are trying to access a serial port passed to a d= omu. We're very new to Mirage
>=C2=A0 =C2=A0 =C2=A0and ocaml, but plan on converting our existing syst= em to use MirageOS for
>=C2=A0 =C2=A0 =C2=A0various domU's.
>
>=C2=A0 =C2=A0 =C2=A0So, at the moment, the question we have is whether = anyone has had any success
>=C2=A0 =C2=A0 =C2=A0writing to multiple serial ports with one of those = serial ports being accessed
>=C2=A0 =C2=A0 =C2=A0from a domu?
>
>=C2=A0 =C2=A0 =C2=A0As a first attempt, we took the Mirage console exam= ple and added a second
>=C2=A0 =C2=A0 =C2=A0console. We connected it to '1' and then to= /dev/null and tried to print to it.
>=C2=A0 =C2=A0 =C2=A0Neither of the ideas were valid. We're not sure= what the console should be named
>=C2=A0 =C2=A0 =C2=A0or what the hashtbl is looking for. The application= compiles, but the VM halts
>=C2=A0 =C2=A0 =C2=A0with a message stating. "... waiting for hotpl= ug". The application built for
>=C2=A0 =C2=A0 =C2=A0unix didn't work either.
>
>
>=C2=A0 =C2=A0 =C2=A0We are trying to read data from a GPS receiver from= a domu.
>
>
> Interesting! Is the GPS receiver connected to a physical serial port o= n the host?
>

Thanks for the quick response. Yes, the GPS is connected to the host, to a<= br> hardware serial port.

> The virtual serial ports that Mirage can see need to be served by some= thing on
> the host (a "backend", typically in dom0). If you're cre= ating your VM with "xl
> create" then you can declare "channels"[1] which will s= pawn a qemu process in
> dom0 which will act as the server/backend. At the moment the backend c= an only be
> connected to a fresh tty or a Unix domain socket -- there is no built-= in support
> for proxying to a real /dev/ttyS* device.
>
> I think the first thing to do is to verify that adding a 'channel&= #39; to your xl
> config file causes the Xen domU to get further than "waiting for = hotplug". After
> that I think you could declare the backend to be a Unix domain socket,= and then
> run a proxy in dom0 which would write the data to the appropriate ttyS= device.
>
> Sorry that's a bit clunky -- when I added the channel support to &= quot;xl" I didn't
> think about the possibility of a real serial port. I'm sure that c= ould be added
> in future though.
>
> What do you think?
>

This is really good information and you were speaking the language my colle= ague
and I were as we iterated through the design.

Here are our results. Running the system on an x86 VM worked just as you described above, so that was great news. However, and we should have been c= lear
about this at the beginning, our hardware platform is ARM based; Cubietruck= ,
specifically. We tried the same process on the Cubietruck and it did not wo= rk.
I'm assuming that this is the case since ARM does not make use of qemu = like x86
does.

It seems that this could be overcome on ARM, however not without some
difficulty. Any thoughts on this?

Best regards,
Paul


> Cheers,
> Dave Scott
>
> [1] http://xenbits.xen.org/docs/unstable/m= isc/channel.txt
>
>
>=C2=A0 =C2=A0 =C2=A0Any ideas where we should look for getting this cap= ability?
>
>=C2=A0 =C2=A0 =C2=A0I appreciate the help!
>
>=C2=A0 =C2=A0 =C2=A0Paul Skentzos
>=C2=A0 =C2=A0 =C2=A0Aaron Cornelius
>
>
>
>
>
>=C2=A0 =C2=A0 =C2=A0_______________________________________________
>=C2=A0 =C2=A0 =C2=A0MirageOS-devel mailing list
>=C2=A0 =C2=A0 =C2=A0MirageOS-devel@lists.xenproject.org <mailto:Mira= geOS-devel@lists.xenproject.org>
>=C2=A0 =C2=A0 =C2=A0http://li= sts.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel
>
>
>
>
> --
> Dave Scott

_______________________________________________
MirageOS-devel mailing list
Mi= rageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-b= in/mailman/listinfo/mirageos-devel
--001a113f7e7c3fcc840521846363-- --===============4403995805488089523== 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 --===============4403995805488089523==-- From mirageos-devel-bounces@lists.xenproject.org Wed Oct 07 14:54:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 14:54:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjq6U-0004xn-Cg; Wed, 07 Oct 2015 14:54:02 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjq6S-0004x9-Jt for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 14:54:00 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id CD/A0-15765-70235165; Wed, 07 Oct 2015 14:53:59 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1444229637!45152857!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27461 invoked from network); 7 Oct 2015 14:53:58 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-5.tower-27.messagelabs.com with SMTP; 7 Oct 2015 14:53:58 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Wed, 7 Oct 2015 10:53:54 -0400 To: Luke Dunstan , David Scott References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> From: Paul Skentzos Message-ID: <56153200.4020203@dornerworks.com> Date: Wed, 7 Oct 2015 10:53:52 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/mixed; boundary="------------090403020700090905010703" X-Originating-IP: [172.27.13.155] Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.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 --------------090403020700090905010703 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Hi Luke, On 10/7/2015 10:15 AM, Luke Dunstan wrote: > Hi Paul, > > Did you get serial ports working even in dom0 on Cubietruck yet? It took me > quite a while to discover that Xen normally disables the A20 UARTs by deleting > them from the device tree: > > http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 > > Luke > Yes, we do have this working. It was a bit of an annoyance that we discovered just as you did when starting to work on the Cubietruck. We found that all serial ports with the "snps,dw-apb-uart" driver are blacklisted on the "sunxi" platform to prevent dom0 from having driver access to the Xen console. So we hacked up the attached patch. Which is not an ideal fix, but it was good enough for now. The better fix would be to have Xen compare the memory address for every item in the device tree against the addresses that Xen has already reserved for itself. - Paul > > On Wed, 7 Oct 2015 at 21:00 Paul Skentzos > wrote: > > Dave, > > > On 10/6/2015 5:04 PM, David Scott wrote: > > Hi Paul, Aaron, > > > > On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos > > > >> wrote: > > > > We are trying to access a serial port passed to a domu. We're very new > to Mirage > > and ocaml, but plan on converting our existing system to use MirageOS for > > various domU's. > > > > So, at the moment, the question we have is whether anyone has had any > success > > writing to multiple serial ports with one of those serial ports being > accessed > > from a domu? > > > > As a first attempt, we took the Mirage console example and added a second > > console. We connected it to '1' and then to /dev/null and tried to > print to it. > > Neither of the ideas were valid. We're not sure what the console > should be named > > or what the hashtbl is looking for. The application compiles, but the > VM halts > > with a message stating. "... waiting for hotplug". The application > built for > > unix didn't work either. > > > > > > We are trying to read data from a GPS receiver from a domu. > > > > > > Interesting! Is the GPS receiver connected to a physical serial port on > the host? > > > > Thanks for the quick response. Yes, the GPS is connected to the host, to a > hardware serial port. > > > The virtual serial ports that Mirage can see need to be served by something on > > the host (a "backend", typically in dom0). If you're creating your VM with "xl > > create" then you can declare "channels"[1] which will spawn a qemu process in > > dom0 which will act as the server/backend. At the moment the backend can > only be > > connected to a fresh tty or a Unix domain socket -- there is no built-in > support > > for proxying to a real /dev/ttyS* device. > > > > I think the first thing to do is to verify that adding a 'channel' to your xl > > config file causes the Xen domU to get further than "waiting for hotplug". > After > > that I think you could declare the backend to be a Unix domain socket, and > then > > run a proxy in dom0 which would write the data to the appropriate ttyS device. > > > > Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't > > think about the possibility of a real serial port. I'm sure that could be > added > > in future though. > > > > What do you think? > > > > This is really good information and you were speaking the language my colleague > and I were as we iterated through the design. > > Here are our results. Running the system on an x86 VM worked just as you > described above, so that was great news. However, and we should have been clear > about this at the beginning, our hardware platform is ARM based; Cubietruck, > specifically. We tried the same process on the Cubietruck and it did not work. > I'm assuming that this is the case since ARM does not make use of qemu like x86 > does. > > It seems that this could be overcome on ARM, however not without some > difficulty. Any thoughts on this? > > Best regards, > Paul > > > > Cheers, > > Dave Scott > > > > [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > > > > > Any ideas where we should look for getting this capability? > > > > I appreciate the help! > > > > Paul Skentzos > > Aaron Cornelius > > > > > > > > > > > > _______________________________________________ > > 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 > --------------090403020700090905010703 Content-Type: text/plain; charset="UTF-8"; name="0001-Fix-blacklist-for-Cubie-UARTs.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="0001-Fix-blacklist-for-Cubie-UARTs.patch" RnJvbSAyYjA0NWU0NGE4OGFkNGY1MWY5ZmFkZTVjMDUyZTFmZTRhN2IzNDBiIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBKb3NodWEgV2hpdGVoZWFkIDxqb3NoLndoaXRlaGVh ZEBkb3JuZXJ3b3Jrcy5jb20+CkRhdGU6IFdlZCwgNyBPY3QgMjAxNSAxMDozNzo1NCAtMDQw MApTdWJqZWN0OiBbUEFUQ0ggMS8xXSBGaXggYmxhY2tsaXN0IGZvciBDdWJpZSBVQVJUcwoK LS0tCiB4ZW4vYXJjaC9hcm0vcGxhdGZvcm1zL3N1bnhpLmMgfCAxMCArKysrKysrLS0tCiAx IGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL3hlbi9hcmNoL2FybS9wbGF0Zm9ybXMvc3VueGkuYyBiL3hlbi9hcmNoL2FybS9w bGF0Zm9ybXMvc3VueGkuYwppbmRleCBmYjEyODAxLi5kZDQ1MDVlIDEwMDY0NAotLS0gYS94 ZW4vYXJjaC9hcm0vcGxhdGZvcm1zL3N1bnhpLmMKKysrIGIveGVuL2FyY2gvYXJtL3BsYXRm b3Jtcy9zdW54aS5jCkBAIC0yNywxMCArMjcsMTQgQEAgc3RhdGljIGNvbnN0IGNoYXIgKiBj b25zdCBzdW54aV9kdF9jb21wYXRbXSBfX2luaXRjb25zdCA9CiBzdGF0aWMgY29uc3Qgc3Ry dWN0IGR0X2RldmljZV9tYXRjaCBzdW54aV9ibGFja2xpc3RfZGV2W10gX19pbml0Y29uc3Qg PQogewogICAgIC8qCi0gICAgICogVGhlIFVBUlRzIHNoYXJlIGEgcGFnZSB3aGljaCBydW5z IHRoZSByaXNrIG9mIG1hcHBpbmcgdGhlIFhlbiBjb25zb2xlCi0gICAgICogVUFSVCB0byBk b20wLCBzbyBkb24ndCBtYXAgYW55IG9mIHRoZW0uCisgICAgICogRm91ciBvZiB0aGUgVUFS VHMgc2hhcmUgYSBwYWdlIHdoaWNoIHJ1bnMgdGhlIHJpc2sgb2YgbWFwcGluZyB0aGUgWGVu IGNvbnNvbGUKKyAgICAgKiBVQVJUIHRvIGRvbTAsIGJsYWNrIGxpc3QgYWxsIGRldmljZXMg dGhhdCBzaGFyZSB0aGF0IHBhZ2UuIFRoZSBvdGhlcgorICAgICAqIGZvdXIgVUFSVHMgd2ls bCByZW1haW4gYXZhaWxhYmxlIGZvciB1c2UuCiAgICAgICovCi0gICAgRFRfTUFUQ0hfQ09N UEFUSUJMRSgic25wcyxkdy1hcGItdWFydCIpLAorICAgIERUX01BVENIX1BBVEgoIi9zb2NA MDFjMDAwMDAvc2VyaWFsQDAxYzI4MDAwIiksCisgICAgRFRfTUFUQ0hfUEFUSCgiL3NvY0Aw MWMwMDAwMC9zZXJpYWxAMDFjMjg0MDAiKSwKKyAgICBEVF9NQVRDSF9QQVRIKCIvc29jQDAx YzAwMDAwL3NlcmlhbEAwMWMyODgwMCIpLAorICAgIERUX01BVENIX1BBVEgoIi9zb2NAMDFj MDAwMDAvc2VyaWFsQDAxYzI4YzAwIiksCiAgICAgeyAvKiBzZW50aW5lbCAqLyB9LAogfTsK IAotLSAKMS45LjEKCg== --------------090403020700090905010703 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 --------------090403020700090905010703-- From mirageos-devel-bounces@lists.xenproject.org Wed Oct 07 14:54:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 14:54:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjq6U-0004xn-Cg; Wed, 07 Oct 2015 14:54:02 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjq6S-0004x9-Jt for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 14:54:00 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id CD/A0-15765-70235165; Wed, 07 Oct 2015 14:53:59 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1444229637!45152857!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27461 invoked from network); 7 Oct 2015 14:53:58 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-5.tower-27.messagelabs.com with SMTP; 7 Oct 2015 14:53:58 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Wed, 7 Oct 2015 10:53:54 -0400 To: Luke Dunstan , David Scott References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> From: Paul Skentzos Message-ID: <56153200.4020203@dornerworks.com> Date: Wed, 7 Oct 2015 10:53:52 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/mixed; boundary="------------090403020700090905010703" X-Originating-IP: [172.27.13.155] Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.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 --------------090403020700090905010703 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Hi Luke, On 10/7/2015 10:15 AM, Luke Dunstan wrote: > Hi Paul, > > Did you get serial ports working even in dom0 on Cubietruck yet? It took me > quite a while to discover that Xen normally disables the A20 UARTs by deleting > them from the device tree: > > http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 > > Luke > Yes, we do have this working. It was a bit of an annoyance that we discovered just as you did when starting to work on the Cubietruck. We found that all serial ports with the "snps,dw-apb-uart" driver are blacklisted on the "sunxi" platform to prevent dom0 from having driver access to the Xen console. So we hacked up the attached patch. Which is not an ideal fix, but it was good enough for now. The better fix would be to have Xen compare the memory address for every item in the device tree against the addresses that Xen has already reserved for itself. - Paul > > On Wed, 7 Oct 2015 at 21:00 Paul Skentzos > wrote: > > Dave, > > > On 10/6/2015 5:04 PM, David Scott wrote: > > Hi Paul, Aaron, > > > > On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos > > > >> wrote: > > > > We are trying to access a serial port passed to a domu. We're very new > to Mirage > > and ocaml, but plan on converting our existing system to use MirageOS for > > various domU's. > > > > So, at the moment, the question we have is whether anyone has had any > success > > writing to multiple serial ports with one of those serial ports being > accessed > > from a domu? > > > > As a first attempt, we took the Mirage console example and added a second > > console. We connected it to '1' and then to /dev/null and tried to > print to it. > > Neither of the ideas were valid. We're not sure what the console > should be named > > or what the hashtbl is looking for. The application compiles, but the > VM halts > > with a message stating. "... waiting for hotplug". The application > built for > > unix didn't work either. > > > > > > We are trying to read data from a GPS receiver from a domu. > > > > > > Interesting! Is the GPS receiver connected to a physical serial port on > the host? > > > > Thanks for the quick response. Yes, the GPS is connected to the host, to a > hardware serial port. > > > The virtual serial ports that Mirage can see need to be served by something on > > the host (a "backend", typically in dom0). If you're creating your VM with "xl > > create" then you can declare "channels"[1] which will spawn a qemu process in > > dom0 which will act as the server/backend. At the moment the backend can > only be > > connected to a fresh tty or a Unix domain socket -- there is no built-in > support > > for proxying to a real /dev/ttyS* device. > > > > I think the first thing to do is to verify that adding a 'channel' to your xl > > config file causes the Xen domU to get further than "waiting for hotplug". > After > > that I think you could declare the backend to be a Unix domain socket, and > then > > run a proxy in dom0 which would write the data to the appropriate ttyS device. > > > > Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't > > think about the possibility of a real serial port. I'm sure that could be > added > > in future though. > > > > What do you think? > > > > This is really good information and you were speaking the language my colleague > and I were as we iterated through the design. > > Here are our results. Running the system on an x86 VM worked just as you > described above, so that was great news. However, and we should have been clear > about this at the beginning, our hardware platform is ARM based; Cubietruck, > specifically. We tried the same process on the Cubietruck and it did not work. > I'm assuming that this is the case since ARM does not make use of qemu like x86 > does. > > It seems that this could be overcome on ARM, however not without some > difficulty. Any thoughts on this? > > Best regards, > Paul > > > > Cheers, > > Dave Scott > > > > [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt > > > > > > Any ideas where we should look for getting this capability? > > > > I appreciate the help! > > > > Paul Skentzos > > Aaron Cornelius > > > > > > > > > > > > _______________________________________________ > > 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 > --------------090403020700090905010703 Content-Type: text/plain; charset="UTF-8"; name="0001-Fix-blacklist-for-Cubie-UARTs.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="0001-Fix-blacklist-for-Cubie-UARTs.patch" RnJvbSAyYjA0NWU0NGE4OGFkNGY1MWY5ZmFkZTVjMDUyZTFmZTRhN2IzNDBiIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBKb3NodWEgV2hpdGVoZWFkIDxqb3NoLndoaXRlaGVh ZEBkb3JuZXJ3b3Jrcy5jb20+CkRhdGU6IFdlZCwgNyBPY3QgMjAxNSAxMDozNzo1NCAtMDQw MApTdWJqZWN0OiBbUEFUQ0ggMS8xXSBGaXggYmxhY2tsaXN0IGZvciBDdWJpZSBVQVJUcwoK LS0tCiB4ZW4vYXJjaC9hcm0vcGxhdGZvcm1zL3N1bnhpLmMgfCAxMCArKysrKysrLS0tCiAx IGZpbGUgY2hhbmdlZCwgNyBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL3hlbi9hcmNoL2FybS9wbGF0Zm9ybXMvc3VueGkuYyBiL3hlbi9hcmNoL2FybS9w bGF0Zm9ybXMvc3VueGkuYwppbmRleCBmYjEyODAxLi5kZDQ1MDVlIDEwMDY0NAotLS0gYS94 ZW4vYXJjaC9hcm0vcGxhdGZvcm1zL3N1bnhpLmMKKysrIGIveGVuL2FyY2gvYXJtL3BsYXRm b3Jtcy9zdW54aS5jCkBAIC0yNywxMCArMjcsMTQgQEAgc3RhdGljIGNvbnN0IGNoYXIgKiBj b25zdCBzdW54aV9kdF9jb21wYXRbXSBfX2luaXRjb25zdCA9CiBzdGF0aWMgY29uc3Qgc3Ry dWN0IGR0X2RldmljZV9tYXRjaCBzdW54aV9ibGFja2xpc3RfZGV2W10gX19pbml0Y29uc3Qg PQogewogICAgIC8qCi0gICAgICogVGhlIFVBUlRzIHNoYXJlIGEgcGFnZSB3aGljaCBydW5z IHRoZSByaXNrIG9mIG1hcHBpbmcgdGhlIFhlbiBjb25zb2xlCi0gICAgICogVUFSVCB0byBk b20wLCBzbyBkb24ndCBtYXAgYW55IG9mIHRoZW0uCisgICAgICogRm91ciBvZiB0aGUgVUFS VHMgc2hhcmUgYSBwYWdlIHdoaWNoIHJ1bnMgdGhlIHJpc2sgb2YgbWFwcGluZyB0aGUgWGVu IGNvbnNvbGUKKyAgICAgKiBVQVJUIHRvIGRvbTAsIGJsYWNrIGxpc3QgYWxsIGRldmljZXMg dGhhdCBzaGFyZSB0aGF0IHBhZ2UuIFRoZSBvdGhlcgorICAgICAqIGZvdXIgVUFSVHMgd2ls bCByZW1haW4gYXZhaWxhYmxlIGZvciB1c2UuCiAgICAgICovCi0gICAgRFRfTUFUQ0hfQ09N UEFUSUJMRSgic25wcyxkdy1hcGItdWFydCIpLAorICAgIERUX01BVENIX1BBVEgoIi9zb2NA MDFjMDAwMDAvc2VyaWFsQDAxYzI4MDAwIiksCisgICAgRFRfTUFUQ0hfUEFUSCgiL3NvY0Aw MWMwMDAwMC9zZXJpYWxAMDFjMjg0MDAiKSwKKyAgICBEVF9NQVRDSF9QQVRIKCIvc29jQDAx YzAwMDAwL3NlcmlhbEAwMWMyODgwMCIpLAorICAgIERUX01BVENIX1BBVEgoIi9zb2NAMDFj MDAwMDAvc2VyaWFsQDAxYzI4YzAwIiksCiAgICAgeyAvKiBzZW50aW5lbCAqLyB9LAogfTsK IAotLSAKMS45LjEKCg== --------------090403020700090905010703 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 --------------090403020700090905010703-- From mirageos-devel-bounces@lists.xenproject.org Wed Oct 07 16:36:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 16:36:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjrhw-0008Ay-D1; Wed, 07 Oct 2015 16:36:48 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjrhu-0008Ac-J4 for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 16:36:46 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id 01/08-18886-D1A45165; Wed, 07 Oct 2015 16:36:45 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1444235804!56619811!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22142 invoked from network); 7 Oct 2015 16:36:44 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-14.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Oct 2015 16:36:44 -0000 Received: from dhcp-172-17-153-168.eduroam.wireless.private.cam.ac.uk (global-184-26.nat-1.net.cam.ac.uk [131.111.184.26]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 05fc0f72 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 7 Oct 2015 17:36:44 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <56153200.4020203@dornerworks.com> Date: Wed, 7 Oct 2015 17:36:42 +0100 Message-Id: References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> To: Paul Skentzos X-Mailer: Apple Mail (2.3094) Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 15:53, Paul Skentzos wrote: > > Hi Luke, > > On 10/7/2015 10:15 AM, Luke Dunstan wrote: >> Hi Paul, >> >> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >> quite a while to discover that Xen normally disables the A20 UARTs by deleting >> them from the device tree: >> >> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >> >> Luke >> > > Yes, we do have this working. It was a bit of an annoyance that we discovered > just as you did when starting to work on the Cubietruck. > > We found that all serial ports with the "snps,dw-apb-uart" driver are > blacklisted on the "sunxi" platform to prevent dom0 from having driver access to > the Xen console. So we hacked up the attached patch. Which is not an ideal > fix, but it was good enough for now. > > The better fix would be to have Xen compare the memory address for every item in > the device tree against the addresses that Xen has already reserved for itself. We could apply this patch to the https://github.com/mirage/xen-arm-builder distribution, which is only really used to boot on Cubieboards at the moment. It's nice to have the out-of-the-box experience just work for that distribution. -anil > > - Paul > >> >> On Wed, 7 Oct 2015 at 21:00 Paul Skentzos > > wrote: >> >> Dave, >> >> >> On 10/6/2015 5:04 PM, David Scott wrote: >>> Hi Paul, Aaron, >>> >>> On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos >> >>> > >> wrote: >>> >>> We are trying to access a serial port passed to a domu. We're very new >> to Mirage >>> and ocaml, but plan on converting our existing system to use MirageOS for >>> various domU's. >>> >>> So, at the moment, the question we have is whether anyone has had any >> success >>> writing to multiple serial ports with one of those serial ports being >> accessed >>> from a domu? >>> >>> As a first attempt, we took the Mirage console example and added a second >>> console. We connected it to '1' and then to /dev/null and tried to >> print to it. >>> Neither of the ideas were valid. We're not sure what the console >> should be named >>> or what the hashtbl is looking for. The application compiles, but the >> VM halts >>> with a message stating. "... waiting for hotplug". The application >> built for >>> unix didn't work either. >>> >>> >>> We are trying to read data from a GPS receiver from a domu. >>> >>> >>> Interesting! Is the GPS receiver connected to a physical serial port on >> the host? >>> >> >> Thanks for the quick response. Yes, the GPS is connected to the host, to a >> hardware serial port. >> >>> The virtual serial ports that Mirage can see need to be served by something on >>> the host (a "backend", typically in dom0). If you're creating your VM with "xl >>> create" then you can declare "channels"[1] which will spawn a qemu process in >>> dom0 which will act as the server/backend. At the moment the backend can >> only be >>> connected to a fresh tty or a Unix domain socket -- there is no built-in >> support >>> for proxying to a real /dev/ttyS* device. >>> >>> I think the first thing to do is to verify that adding a 'channel' to your xl >>> config file causes the Xen domU to get further than "waiting for hotplug". >> After >>> that I think you could declare the backend to be a Unix domain socket, and >> then >>> run a proxy in dom0 which would write the data to the appropriate ttyS device. >>> >>> Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't >>> think about the possibility of a real serial port. I'm sure that could be >> added >>> in future though. >>> >>> What do you think? >>> >> >> This is really good information and you were speaking the language my colleague >> and I were as we iterated through the design. >> >> Here are our results. Running the system on an x86 VM worked just as you >> described above, so that was great news. However, and we should have been clear >> about this at the beginning, our hardware platform is ARM based; Cubietruck, >> specifically. We tried the same process on the Cubietruck and it did not work. >> I'm assuming that this is the case since ARM does not make use of qemu like x86 >> does. >> >> It seems that this could be overcome on ARM, however not without some >> difficulty. Any thoughts on this? >> >> Best regards, >> Paul >> >> >>> Cheers, >>> Dave Scott >>> >>> [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt >>> >>> >>> Any ideas where we should look for getting this capability? >>> >>> I appreciate the help! >>> >>> Paul Skentzos >>> Aaron Cornelius >>> >>> >>> >>> >>> >>> _______________________________________________ >>> 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 >> > <0001-Fix-blacklist-for-Cubie-UARTs.patch>_______________________________________________ > 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 Oct 07 16:36:56 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 16:36:56 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjrhw-0008Ay-D1; Wed, 07 Oct 2015 16:36:48 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zjrhu-0008Ac-J4 for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 16:36:46 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id 01/08-18886-D1A45165; Wed, 07 Oct 2015 16:36:45 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-14.tower-27.messagelabs.com!1444235804!56619811!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22142 invoked from network); 7 Oct 2015 16:36:44 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-14.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 7 Oct 2015 16:36:44 -0000 Received: from dhcp-172-17-153-168.eduroam.wireless.private.cam.ac.uk (global-184-26.nat-1.net.cam.ac.uk [131.111.184.26]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 05fc0f72 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 7 Oct 2015 17:36:44 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <56153200.4020203@dornerworks.com> Date: Wed, 7 Oct 2015 17:36:42 +0100 Message-Id: References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> To: Paul Skentzos X-Mailer: Apple Mail (2.3094) Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 15:53, Paul Skentzos wrote: > > Hi Luke, > > On 10/7/2015 10:15 AM, Luke Dunstan wrote: >> Hi Paul, >> >> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >> quite a while to discover that Xen normally disables the A20 UARTs by deleting >> them from the device tree: >> >> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >> >> Luke >> > > Yes, we do have this working. It was a bit of an annoyance that we discovered > just as you did when starting to work on the Cubietruck. > > We found that all serial ports with the "snps,dw-apb-uart" driver are > blacklisted on the "sunxi" platform to prevent dom0 from having driver access to > the Xen console. So we hacked up the attached patch. Which is not an ideal > fix, but it was good enough for now. > > The better fix would be to have Xen compare the memory address for every item in > the device tree against the addresses that Xen has already reserved for itself. We could apply this patch to the https://github.com/mirage/xen-arm-builder distribution, which is only really used to boot on Cubieboards at the moment. It's nice to have the out-of-the-box experience just work for that distribution. -anil > > - Paul > >> >> On Wed, 7 Oct 2015 at 21:00 Paul Skentzos > > wrote: >> >> Dave, >> >> >> On 10/6/2015 5:04 PM, David Scott wrote: >>> Hi Paul, Aaron, >>> >>> On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos >> >>> > >> wrote: >>> >>> We are trying to access a serial port passed to a domu. We're very new >> to Mirage >>> and ocaml, but plan on converting our existing system to use MirageOS for >>> various domU's. >>> >>> So, at the moment, the question we have is whether anyone has had any >> success >>> writing to multiple serial ports with one of those serial ports being >> accessed >>> from a domu? >>> >>> As a first attempt, we took the Mirage console example and added a second >>> console. We connected it to '1' and then to /dev/null and tried to >> print to it. >>> Neither of the ideas were valid. We're not sure what the console >> should be named >>> or what the hashtbl is looking for. The application compiles, but the >> VM halts >>> with a message stating. "... waiting for hotplug". The application >> built for >>> unix didn't work either. >>> >>> >>> We are trying to read data from a GPS receiver from a domu. >>> >>> >>> Interesting! Is the GPS receiver connected to a physical serial port on >> the host? >>> >> >> Thanks for the quick response. Yes, the GPS is connected to the host, to a >> hardware serial port. >> >>> The virtual serial ports that Mirage can see need to be served by something on >>> the host (a "backend", typically in dom0). If you're creating your VM with "xl >>> create" then you can declare "channels"[1] which will spawn a qemu process in >>> dom0 which will act as the server/backend. At the moment the backend can >> only be >>> connected to a fresh tty or a Unix domain socket -- there is no built-in >> support >>> for proxying to a real /dev/ttyS* device. >>> >>> I think the first thing to do is to verify that adding a 'channel' to your xl >>> config file causes the Xen domU to get further than "waiting for hotplug". >> After >>> that I think you could declare the backend to be a Unix domain socket, and >> then >>> run a proxy in dom0 which would write the data to the appropriate ttyS device. >>> >>> Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't >>> think about the possibility of a real serial port. I'm sure that could be >> added >>> in future though. >>> >>> What do you think? >>> >> >> This is really good information and you were speaking the language my colleague >> and I were as we iterated through the design. >> >> Here are our results. Running the system on an x86 VM worked just as you >> described above, so that was great news. However, and we should have been clear >> about this at the beginning, our hardware platform is ARM based; Cubietruck, >> specifically. We tried the same process on the Cubietruck and it did not work. >> I'm assuming that this is the case since ARM does not make use of qemu like x86 >> does. >> >> It seems that this could be overcome on ARM, however not without some >> difficulty. Any thoughts on this? >> >> Best regards, >> Paul >> >> >>> Cheers, >>> Dave Scott >>> >>> [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt >>> >>> >>> Any ideas where we should look for getting this capability? >>> >>> I appreciate the help! >>> >>> Paul Skentzos >>> Aaron Cornelius >>> >>> >>> >>> >>> >>> _______________________________________________ >>> 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 >> > <0001-Fix-blacklist-for-Cubie-UARTs.patch>_______________________________________________ > 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 Oct 07 17:26:06 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 17:26:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjsTb-0003Xw-AZ; Wed, 07 Oct 2015 17:26:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjsTZ-0003Xr-9f for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 17:26:01 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 64/D1-01748-8A555165; Wed, 07 Oct 2015 17:26:00 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-5.tower-31.messagelabs.com!1444238758!51281115!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12535 invoked from network); 7 Oct 2015 17:25:59 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-5.tower-31.messagelabs.com with SMTP; 7 Oct 2015 17:25:59 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Wed, 7 Oct 2015 13:25:55 -0400 To: Anil Madhavapeddy References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> From: Paul Skentzos Message-ID: <561555A2.70400@dornerworks.com> Date: Wed, 7 Oct 2015 13:25:54 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [172.27.13.155] Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Anil, On 10/7/2015 12:36 PM, Anil Madhavapeddy wrote: > On 7 Oct 2015, at 15:53, Paul Skentzos wrote: >> >> Hi Luke, >> >> On 10/7/2015 10:15 AM, Luke Dunstan wrote: >>> Hi Paul, >>> >>> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >>> quite a while to discover that Xen normally disables the A20 UARTs by deleting >>> them from the device tree: >>> >>> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >>> >>> Luke >>> >> >> Yes, we do have this working. It was a bit of an annoyance that we discovered >> just as you did when starting to work on the Cubietruck. >> >> We found that all serial ports with the "snps,dw-apb-uart" driver are >> blacklisted on the "sunxi" platform to prevent dom0 from having driver access to >> the Xen console. So we hacked up the attached patch. Which is not an ideal >> fix, but it was good enough for now. >> >> The better fix would be to have Xen compare the memory address for every item in >> the device tree against the addresses that Xen has already reserved for itself. > > We could apply this patch to the https://github.com/mirage/xen-arm-builder > distribution, which is only really used to boot on Cubieboards at the moment. > It's nice to have the out-of-the-box experience just work for that distribution. > > -anil > > I agree! Would you apply the patch as is or would you like us to formally submit the patch through the mailing list? - Paul > >> >> - Paul >> >>> >>> On Wed, 7 Oct 2015 at 21:00 Paul Skentzos >> > wrote: >>> >>> Dave, >>> >>> >>> On 10/6/2015 5:04 PM, David Scott wrote: >>>> Hi Paul, Aaron, >>>> >>>> On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos >>> >>>> >> >> wrote: >>>> >>>> We are trying to access a serial port passed to a domu. We're very new >>> to Mirage >>>> and ocaml, but plan on converting our existing system to use MirageOS for >>>> various domU's. >>>> >>>> So, at the moment, the question we have is whether anyone has had any >>> success >>>> writing to multiple serial ports with one of those serial ports being >>> accessed >>>> from a domu? >>>> >>>> As a first attempt, we took the Mirage console example and added a second >>>> console. We connected it to '1' and then to /dev/null and tried to >>> print to it. >>>> Neither of the ideas were valid. We're not sure what the console >>> should be named >>>> or what the hashtbl is looking for. The application compiles, but the >>> VM halts >>>> with a message stating. "... waiting for hotplug". The application >>> built for >>>> unix didn't work either. >>>> >>>> >>>> We are trying to read data from a GPS receiver from a domu. >>>> >>>> >>>> Interesting! Is the GPS receiver connected to a physical serial port on >>> the host? >>>> >>> >>> Thanks for the quick response. Yes, the GPS is connected to the host, to a >>> hardware serial port. >>> >>>> The virtual serial ports that Mirage can see need to be served by something on >>>> the host (a "backend", typically in dom0). If you're creating your VM with "xl >>>> create" then you can declare "channels"[1] which will spawn a qemu process in >>>> dom0 which will act as the server/backend. At the moment the backend can >>> only be >>>> connected to a fresh tty or a Unix domain socket -- there is no built-in >>> support >>>> for proxying to a real /dev/ttyS* device. >>>> >>>> I think the first thing to do is to verify that adding a 'channel' to your xl >>>> config file causes the Xen domU to get further than "waiting for hotplug". >>> After >>>> that I think you could declare the backend to be a Unix domain socket, and >>> then >>>> run a proxy in dom0 which would write the data to the appropriate ttyS device. >>>> >>>> Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't >>>> think about the possibility of a real serial port. I'm sure that could be >>> added >>>> in future though. >>>> >>>> What do you think? >>>> >>> >>> This is really good information and you were speaking the language my colleague >>> and I were as we iterated through the design. >>> >>> Here are our results. Running the system on an x86 VM worked just as you >>> described above, so that was great news. However, and we should have been clear >>> about this at the beginning, our hardware platform is ARM based; Cubietruck, >>> specifically. We tried the same process on the Cubietruck and it did not work. >>> I'm assuming that this is the case since ARM does not make use of qemu like x86 >>> does. >>> >>> It seems that this could be overcome on ARM, however not without some >>> difficulty. Any thoughts on this? >>> >>> Best regards, >>> Paul >>> >>> >>>> Cheers, >>>> Dave Scott >>>> >>>> [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt >>>> >>>> >>>> Any ideas where we should look for getting this capability? >>>> >>>> I appreciate the help! >>>> >>>> Paul Skentzos >>>> Aaron Cornelius >>>> >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> 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 >>> >> <0001-Fix-blacklist-for-Cubie-UARTs.patch>_______________________________________________ >> 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 Oct 07 17:26:06 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 07 Oct 2015 17:26:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjsTb-0003Xw-AZ; Wed, 07 Oct 2015 17:26:03 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZjsTZ-0003Xr-9f for mirageos-devel@lists.xenproject.org; Wed, 07 Oct 2015 17:26:01 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 64/D1-01748-8A555165; Wed, 07 Oct 2015 17:26:00 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-5.tower-31.messagelabs.com!1444238758!51281115!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12535 invoked from network); 7 Oct 2015 17:25:59 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-5.tower-31.messagelabs.com with SMTP; 7 Oct 2015 17:25:59 -0000 Received: from [172.27.13.155] (172.27.13.155) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Wed, 7 Oct 2015 13:25:55 -0400 To: Anil Madhavapeddy References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> From: Paul Skentzos Message-ID: <561555A2.70400@dornerworks.com> Date: Wed, 7 Oct 2015 13:25:54 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [172.27.13.155] Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Anil, On 10/7/2015 12:36 PM, Anil Madhavapeddy wrote: > On 7 Oct 2015, at 15:53, Paul Skentzos wrote: >> >> Hi Luke, >> >> On 10/7/2015 10:15 AM, Luke Dunstan wrote: >>> Hi Paul, >>> >>> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >>> quite a while to discover that Xen normally disables the A20 UARTs by deleting >>> them from the device tree: >>> >>> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >>> >>> Luke >>> >> >> Yes, we do have this working. It was a bit of an annoyance that we discovered >> just as you did when starting to work on the Cubietruck. >> >> We found that all serial ports with the "snps,dw-apb-uart" driver are >> blacklisted on the "sunxi" platform to prevent dom0 from having driver access to >> the Xen console. So we hacked up the attached patch. Which is not an ideal >> fix, but it was good enough for now. >> >> The better fix would be to have Xen compare the memory address for every item in >> the device tree against the addresses that Xen has already reserved for itself. > > We could apply this patch to the https://github.com/mirage/xen-arm-builder > distribution, which is only really used to boot on Cubieboards at the moment. > It's nice to have the out-of-the-box experience just work for that distribution. > > -anil > > I agree! Would you apply the patch as is or would you like us to formally submit the patch through the mailing list? - Paul > >> >> - Paul >> >>> >>> On Wed, 7 Oct 2015 at 21:00 Paul Skentzos >> > wrote: >>> >>> Dave, >>> >>> >>> On 10/6/2015 5:04 PM, David Scott wrote: >>>> Hi Paul, Aaron, >>>> >>>> On Tue, Oct 6, 2015 at 8:27 PM, Paul Skentzos >>> >>>> >> >> wrote: >>>> >>>> We are trying to access a serial port passed to a domu. We're very new >>> to Mirage >>>> and ocaml, but plan on converting our existing system to use MirageOS for >>>> various domU's. >>>> >>>> So, at the moment, the question we have is whether anyone has had any >>> success >>>> writing to multiple serial ports with one of those serial ports being >>> accessed >>>> from a domu? >>>> >>>> As a first attempt, we took the Mirage console example and added a second >>>> console. We connected it to '1' and then to /dev/null and tried to >>> print to it. >>>> Neither of the ideas were valid. We're not sure what the console >>> should be named >>>> or what the hashtbl is looking for. The application compiles, but the >>> VM halts >>>> with a message stating. "... waiting for hotplug". The application >>> built for >>>> unix didn't work either. >>>> >>>> >>>> We are trying to read data from a GPS receiver from a domu. >>>> >>>> >>>> Interesting! Is the GPS receiver connected to a physical serial port on >>> the host? >>>> >>> >>> Thanks for the quick response. Yes, the GPS is connected to the host, to a >>> hardware serial port. >>> >>>> The virtual serial ports that Mirage can see need to be served by something on >>>> the host (a "backend", typically in dom0). If you're creating your VM with "xl >>>> create" then you can declare "channels"[1] which will spawn a qemu process in >>>> dom0 which will act as the server/backend. At the moment the backend can >>> only be >>>> connected to a fresh tty or a Unix domain socket -- there is no built-in >>> support >>>> for proxying to a real /dev/ttyS* device. >>>> >>>> I think the first thing to do is to verify that adding a 'channel' to your xl >>>> config file causes the Xen domU to get further than "waiting for hotplug". >>> After >>>> that I think you could declare the backend to be a Unix domain socket, and >>> then >>>> run a proxy in dom0 which would write the data to the appropriate ttyS device. >>>> >>>> Sorry that's a bit clunky -- when I added the channel support to "xl" I didn't >>>> think about the possibility of a real serial port. I'm sure that could be >>> added >>>> in future though. >>>> >>>> What do you think? >>>> >>> >>> This is really good information and you were speaking the language my colleague >>> and I were as we iterated through the design. >>> >>> Here are our results. Running the system on an x86 VM worked just as you >>> described above, so that was great news. However, and we should have been clear >>> about this at the beginning, our hardware platform is ARM based; Cubietruck, >>> specifically. We tried the same process on the Cubietruck and it did not work. >>> I'm assuming that this is the case since ARM does not make use of qemu like x86 >>> does. >>> >>> It seems that this could be overcome on ARM, however not without some >>> difficulty. Any thoughts on this? >>> >>> Best regards, >>> Paul >>> >>> >>>> Cheers, >>>> Dave Scott >>>> >>>> [1] http://xenbits.xen.org/docs/unstable/misc/channel.txt >>>> >>>> >>>> Any ideas where we should look for getting this capability? >>>> >>>> I appreciate the help! >>>> >>>> Paul Skentzos >>>> Aaron Cornelius >>>> >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> 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 >>> >> <0001-Fix-blacklist-for-Cubie-UARTs.patch>_______________________________________________ >> 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 Oct 09 16:59:00 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Oct 2015 16:59:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkb0O-0002Hi-I2; Fri, 09 Oct 2015 16:58:52 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkb0M-0002HS-Va for mirageos-devel@lists.xenproject.org; Fri, 09 Oct 2015 16:58:51 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id FC/A3-01753-A42F7165; Fri, 09 Oct 2015 16:58:50 +0000 X-Env-Sender: heikki.mahkonen@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1444409928!15062446!1 X-Originating-IP: [209.85.217.170] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20840 invoked from network); 9 Oct 2015 16:58:48 -0000 Received: from mail-lb0-f170.google.com (HELO mail-lb0-f170.google.com) (209.85.217.170) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 9 Oct 2015 16:58:48 -0000 Received: by lbcao8 with SMTP id ao8so88211182lbc.3 for ; Fri, 09 Oct 2015 09:58:47 -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=lrVLjp8/22v3qIoq7JqwcF9Z1/p+0lC8kElQFJBMGLc=; b=f2GKrhwb3yl4bFOAybyxfnXa29+sC+QoQTdmT5DFAnxu06Nd3rHOVvG46AF52YkOhD DodvjvVTncpm32dlxXAfkvyoeTMyMu2ExGB2OHbkCR0VZAXpG2vpIVioBEo+zmMxOcdm GbRlJcUzAdx6pQDcLR6iR0A+JwLb2HWzdpRgO2nvfiHqnq3tpNZQpCMK+QIP9PKYsv9F KRtwilUvzLKv7HRheM1ZVFvLmrkgzlT+HdnrO0PGbQBkVjAZivDt56gWjPV++3fZjEdj 82gMif4cZqkPVqa1qBvN1TUyzxy7Bo271UBpCuKgPBftPi0wLQ4+7x5zgt7aKQhhLy4d wWlQ== MIME-Version: 1.0 X-Received: by 10.25.31.212 with SMTP id f203mr4638642lff.6.1444409927484; Fri, 09 Oct 2015 09:58:47 -0700 (PDT) Received: by 10.112.190.97 with HTTP; Fri, 9 Oct 2015 09:58:47 -0700 (PDT) Date: Fri, 9 Oct 2015 09:58:47 -0700 Message-ID: From: Heikki Mahkonen To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8172186425420691002==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8172186425420691002== Content-Type: multipart/alternative; boundary=001a1140131ca34c680521aee40d --001a1140131ca34c680521aee40d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi guys, Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu= . Here is the screen grab. user@xendev:~$ opam switch -- -- 3.11.2 Official 3.11.2 release -- -- 3.12.1 Official 3.12.1 release -- -- 4.00.0 Official 4.00.0 release -- -- 4.00.1 Official 4.00.1 release 4.01.0 I 4.01.0 Official 4.01.0 release 4.02.0 I 4.02.0 Official 4.02.0 release 4.02.1 I 4.02.1 Official 4.02.1 release -- -- 4.02.2 Official 4.02.2 release 4.02.3 I 4.02.3 Official 4.02.3 release system C system System compiler (4.02.3) # 124 more patched or experimental compilers, use '--all' to show user@xendev:~$ opam switch 4.01.0 # To setup the new switch in the current shell, you need to run: eval `opam config env` user@xendev:~$ eval `opam config env` user@xendev:~$ opam install jitsu The following actions will be performed: =E2=88=97 install jitsu 0.2 =3D-=3D- Gathering sources =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D [jitsu] Archive in cache =3D-=3D- Processing actions -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D [ERROR] The compilation of jitsu failed at "make". #=3D=3D=3D ERROR while installing jitsu.0.2 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D# # opam-version 1.2.2 # os linux # command make # path /home/user/.opam/4.01.0/build/jitsu.0.2 # compiler 4.01.0 # exit-code 2 # env-file /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.env # stdout-file /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out # stderr-file /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err ### stdout ### # mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin # cd /home/user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w A-4-44 -package lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,conduit.l= wt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xenstore_tran= sport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog -linkpkg -g vm_stop_mode.ml vm_state.ml xenstore.ml backends.mli options.m= l rumprun.ml libvirt_backend.ml xapi_backend.ml libxl_backend.ml irmin_backend.mli dns_helpers.ml irmin_backend.ml synjitsu.mli synjitsu.ml jitsu.mli jitsu.ml main.ml -o /home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu -syntax camlp4o ### stderr ### # File "irmin_backend.ml", line 39, characters 65-88: # Error: Unbound type constructor Irmin.t # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 =3D-=3D- Error report -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D The following actions failed =E2=88=97 install jitsu 0.2 No changes have been performed =3D-=3D- jitsu.0.2 troobleshooting =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D =3D> This package relies on external (system) dependencies that may be missing. `opam depext jitsu.0.2' may help you find the correct installation for your system. user@xendev:~$ opam depext jitsu.0.2 # Detecting depexts using flags: x86_64 linux ubuntu # The following system packages are needed: # - libgmp-dev # - libpcre3-dev # - libssl-dev # - libvirt-bin # - libvirt-dev # - libxen-dev # - m4 # - pkg-config # - time # - uuid-dev # - zlib1g-dev # All required OS packages found. user@xendev:~$ Ubuntu version: user@xendev:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty Thank you! BR, Heikki Mahkonen --001a1140131ca34c680521aee40d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi guys,

Can anybody help= with this? I have problem compiling mirage/jitsu on Ubuntu.

Here is= the screen grab.

user@xendev:~$=C2=A0 opam switch
--=C2=A0=C2=A0= =C2=A0=C2=A0 -- 3.11.2=C2=A0 Official 3.11.2 release
--=C2=A0=C2=A0=C2= =A0=C2=A0 -- 3.12.1=C2=A0 Official 3.12.1 release
--=C2=A0=C2=A0=C2=A0= =C2=A0 -- 4.00.0=C2=A0 Official 4.00.0 release
--=C2=A0=C2=A0=C2=A0=C2= =A0 -- 4.00.1=C2=A0 Official 4.00.1 release
4.01.0=C2=A0 I 4.01.0=C2=A0 = Official 4.01.0 release
4.02.0=C2=A0 I 4.02.0=C2=A0 Official 4.02.0 rele= ase
4.02.1=C2=A0 I 4.02.1=C2=A0 Official 4.02.1 release
--=C2=A0=C2= =A0=C2=A0=C2=A0 -- 4.02.2=C2=A0 Official 4.02.2 release
4.02.3=C2=A0 I 4= .02.3=C2=A0 Official 4.02.3 release
system=C2=A0 C system=C2=A0 System c= ompiler (4.02.3)
# 124 more patched or experimental compilers, use '= --all' to show
user@xendev:~$ opam switch 4.01.0
# To setup the n= ew switch in the current shell, you need to run:
eval `opam config env`<= br>user@xendev:~$ eval `opam config env`
user@xendev:~$ opam install jit= su
The following actions will be performed:
=C2=A0 =E2=88=97=C2=A0 in= stall jitsu 0.2

=3D-=3D- Gathering sources =3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D
[jitsu] Archive in cache

=3D-=3D- Processing act= ions -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
[ERROR] The compilation of j= itsu failed at "make".

#=3D=3D=3D ERROR while installing j= itsu.0.2 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D#
# opam-versio= n 1.2.2
# os=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= linux
# command=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 make
# path=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/build/jitsu= .0.2
# compiler=C2=A0=C2=A0=C2=A0=C2=A0 4.01.0
# exit-code=C2=A0=C2= =A0=C2=A0 2
# env-file=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/b= uild/jitsu.0.2/jitsu-20310-1872ec.env
# stdout-file=C2=A0 /home/user/.op= am/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out
# stderr-file=C2=A0 /ho= me/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err
### stdout #= ##
# mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin
# cd /home/= user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w A-4-44=C2=A0 = -package lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,= conduit.lwt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xens= tore_transport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog -l= inkpkg -g=C2=A0 vm_stop_mode.ml vm_state.ml x= enstore.ml backends.mli options.ml rumprun.ml libvirt_backend.ml xapi_backen= d.ml libxl_backend.ml irmin_bac= kend.mli dns_helpers.ml irmin_backend.ml synjitsu.mli synjitsu.ml jitsu.mli jitsu.ml= main.ml -o /home/user/.opam/4.01.0/buil= d/jitsu.0.2/bin/jitsu -syntax camlp4o
### stderr ###
# File "irmin_backend.ml", line 39, chara= cters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/= home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2



= =3D-=3D- Error report -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
= The following actions failed
=C2=A0 =E2=88=97=C2=A0 install jitsu 0.2No changes have been performed

=3D-=3D- jitsu.0.2 troobleshooting = =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D
=3D> This package relies on external (system= ) dependencies that may be missing.
=C2=A0=C2=A0 `opam depext jitsu.0.2&= #39; may help you find the correct installation for your
=C2=A0=C2=A0 sy= stem.
user@xendev:~$ opam depext jitsu.0.2
# Detecting depexts using = flags: x86_64 linux ubuntu
# The following system packages are needed:#=C2=A0 - libgmp-dev
#=C2=A0 - libpcre3-dev
#=C2=A0 - libssl-dev#=C2=A0 - libvirt-bin
#=C2=A0 - libvirt-dev
#=C2=A0 - libxen-dev
= #=C2=A0 - m4
#=C2=A0 - pkg-config
#=C2=A0 - time
#=C2=A0 - uuid-de= v
#=C2=A0 - zlib1g-dev
# All required OS packages found.
user@xend= ev:~$

Ubuntu version:
user@xendev:~$ lsb_release -a
No = LSB modules are available.
Distributor ID:=C2=A0=C2=A0=C2=A0 Ubuntu
D= escription:=C2=A0=C2=A0=C2=A0 Ubuntu 14.04.3 LTS
Release:=C2=A0=C2=A0=C2= =A0 14.04
Codename:=C2=A0=C2=A0=C2=A0 trusty

Thank you= !

BR,

Heikki Mahkonen
--001a1140131ca34c680521aee40d-- --===============8172186425420691002== 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 --===============8172186425420691002==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 09 16:59:00 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Oct 2015 16:59:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkb0O-0002Hi-I2; Fri, 09 Oct 2015 16:58:52 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkb0M-0002HS-Va for mirageos-devel@lists.xenproject.org; Fri, 09 Oct 2015 16:58:51 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id FC/A3-01753-A42F7165; Fri, 09 Oct 2015 16:58:50 +0000 X-Env-Sender: heikki.mahkonen@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1444409928!15062446!1 X-Originating-IP: [209.85.217.170] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20840 invoked from network); 9 Oct 2015 16:58:48 -0000 Received: from mail-lb0-f170.google.com (HELO mail-lb0-f170.google.com) (209.85.217.170) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 9 Oct 2015 16:58:48 -0000 Received: by lbcao8 with SMTP id ao8so88211182lbc.3 for ; Fri, 09 Oct 2015 09:58:47 -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=lrVLjp8/22v3qIoq7JqwcF9Z1/p+0lC8kElQFJBMGLc=; b=f2GKrhwb3yl4bFOAybyxfnXa29+sC+QoQTdmT5DFAnxu06Nd3rHOVvG46AF52YkOhD DodvjvVTncpm32dlxXAfkvyoeTMyMu2ExGB2OHbkCR0VZAXpG2vpIVioBEo+zmMxOcdm GbRlJcUzAdx6pQDcLR6iR0A+JwLb2HWzdpRgO2nvfiHqnq3tpNZQpCMK+QIP9PKYsv9F KRtwilUvzLKv7HRheM1ZVFvLmrkgzlT+HdnrO0PGbQBkVjAZivDt56gWjPV++3fZjEdj 82gMif4cZqkPVqa1qBvN1TUyzxy7Bo271UBpCuKgPBftPi0wLQ4+7x5zgt7aKQhhLy4d wWlQ== MIME-Version: 1.0 X-Received: by 10.25.31.212 with SMTP id f203mr4638642lff.6.1444409927484; Fri, 09 Oct 2015 09:58:47 -0700 (PDT) Received: by 10.112.190.97 with HTTP; Fri, 9 Oct 2015 09:58:47 -0700 (PDT) Date: Fri, 9 Oct 2015 09:58:47 -0700 Message-ID: From: Heikki Mahkonen To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8172186425420691002==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8172186425420691002== Content-Type: multipart/alternative; boundary=001a1140131ca34c680521aee40d --001a1140131ca34c680521aee40d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi guys, Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu= . Here is the screen grab. user@xendev:~$ opam switch -- -- 3.11.2 Official 3.11.2 release -- -- 3.12.1 Official 3.12.1 release -- -- 4.00.0 Official 4.00.0 release -- -- 4.00.1 Official 4.00.1 release 4.01.0 I 4.01.0 Official 4.01.0 release 4.02.0 I 4.02.0 Official 4.02.0 release 4.02.1 I 4.02.1 Official 4.02.1 release -- -- 4.02.2 Official 4.02.2 release 4.02.3 I 4.02.3 Official 4.02.3 release system C system System compiler (4.02.3) # 124 more patched or experimental compilers, use '--all' to show user@xendev:~$ opam switch 4.01.0 # To setup the new switch in the current shell, you need to run: eval `opam config env` user@xendev:~$ eval `opam config env` user@xendev:~$ opam install jitsu The following actions will be performed: =E2=88=97 install jitsu 0.2 =3D-=3D- Gathering sources =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D [jitsu] Archive in cache =3D-=3D- Processing actions -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D [ERROR] The compilation of jitsu failed at "make". #=3D=3D=3D ERROR while installing jitsu.0.2 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D# # opam-version 1.2.2 # os linux # command make # path /home/user/.opam/4.01.0/build/jitsu.0.2 # compiler 4.01.0 # exit-code 2 # env-file /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.env # stdout-file /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out # stderr-file /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err ### stdout ### # mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin # cd /home/user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w A-4-44 -package lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,conduit.l= wt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xenstore_tran= sport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog -linkpkg -g vm_stop_mode.ml vm_state.ml xenstore.ml backends.mli options.m= l rumprun.ml libvirt_backend.ml xapi_backend.ml libxl_backend.ml irmin_backend.mli dns_helpers.ml irmin_backend.ml synjitsu.mli synjitsu.ml jitsu.mli jitsu.ml main.ml -o /home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu -syntax camlp4o ### stderr ### # File "irmin_backend.ml", line 39, characters 65-88: # Error: Unbound type constructor Irmin.t # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 =3D-=3D- Error report -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D The following actions failed =E2=88=97 install jitsu 0.2 No changes have been performed =3D-=3D- jitsu.0.2 troobleshooting =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D =3D> This package relies on external (system) dependencies that may be missing. `opam depext jitsu.0.2' may help you find the correct installation for your system. user@xendev:~$ opam depext jitsu.0.2 # Detecting depexts using flags: x86_64 linux ubuntu # The following system packages are needed: # - libgmp-dev # - libpcre3-dev # - libssl-dev # - libvirt-bin # - libvirt-dev # - libxen-dev # - m4 # - pkg-config # - time # - uuid-dev # - zlib1g-dev # All required OS packages found. user@xendev:~$ Ubuntu version: user@xendev:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty Thank you! BR, Heikki Mahkonen --001a1140131ca34c680521aee40d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi guys,

Can anybody help= with this? I have problem compiling mirage/jitsu on Ubuntu.

Here is= the screen grab.

user@xendev:~$=C2=A0 opam switch
--=C2=A0=C2=A0= =C2=A0=C2=A0 -- 3.11.2=C2=A0 Official 3.11.2 release
--=C2=A0=C2=A0=C2= =A0=C2=A0 -- 3.12.1=C2=A0 Official 3.12.1 release
--=C2=A0=C2=A0=C2=A0= =C2=A0 -- 4.00.0=C2=A0 Official 4.00.0 release
--=C2=A0=C2=A0=C2=A0=C2= =A0 -- 4.00.1=C2=A0 Official 4.00.1 release
4.01.0=C2=A0 I 4.01.0=C2=A0 = Official 4.01.0 release
4.02.0=C2=A0 I 4.02.0=C2=A0 Official 4.02.0 rele= ase
4.02.1=C2=A0 I 4.02.1=C2=A0 Official 4.02.1 release
--=C2=A0=C2= =A0=C2=A0=C2=A0 -- 4.02.2=C2=A0 Official 4.02.2 release
4.02.3=C2=A0 I 4= .02.3=C2=A0 Official 4.02.3 release
system=C2=A0 C system=C2=A0 System c= ompiler (4.02.3)
# 124 more patched or experimental compilers, use '= --all' to show
user@xendev:~$ opam switch 4.01.0
# To setup the n= ew switch in the current shell, you need to run:
eval `opam config env`<= br>user@xendev:~$ eval `opam config env`
user@xendev:~$ opam install jit= su
The following actions will be performed:
=C2=A0 =E2=88=97=C2=A0 in= stall jitsu 0.2

=3D-=3D- Gathering sources =3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D
[jitsu] Archive in cache

=3D-=3D- Processing act= ions -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
[ERROR] The compilation of j= itsu failed at "make".

#=3D=3D=3D ERROR while installing j= itsu.0.2 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D#
# opam-versio= n 1.2.2
# os=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= linux
# command=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 make
# path=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/build/jitsu= .0.2
# compiler=C2=A0=C2=A0=C2=A0=C2=A0 4.01.0
# exit-code=C2=A0=C2= =A0=C2=A0 2
# env-file=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/b= uild/jitsu.0.2/jitsu-20310-1872ec.env
# stdout-file=C2=A0 /home/user/.op= am/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out
# stderr-file=C2=A0 /ho= me/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err
### stdout #= ##
# mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin
# cd /home/= user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w A-4-44=C2=A0 = -package lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,= conduit.lwt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xens= tore_transport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog -l= inkpkg -g=C2=A0 vm_stop_mode.ml vm_state.ml x= enstore.ml backends.mli options.ml rumprun.ml libvirt_backend.ml xapi_backen= d.ml libxl_backend.ml irmin_bac= kend.mli dns_helpers.ml irmin_backend.ml synjitsu.mli synjitsu.ml jitsu.mli jitsu.ml= main.ml -o /home/user/.opam/4.01.0/buil= d/jitsu.0.2/bin/jitsu -syntax camlp4o
### stderr ###
# File "irmin_backend.ml", line 39, chara= cters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/= home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2



= =3D-=3D- Error report -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
= The following actions failed
=C2=A0 =E2=88=97=C2=A0 install jitsu 0.2No changes have been performed

=3D-=3D- jitsu.0.2 troobleshooting = =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D
=3D> This package relies on external (system= ) dependencies that may be missing.
=C2=A0=C2=A0 `opam depext jitsu.0.2&= #39; may help you find the correct installation for your
=C2=A0=C2=A0 sy= stem.
user@xendev:~$ opam depext jitsu.0.2
# Detecting depexts using = flags: x86_64 linux ubuntu
# The following system packages are needed:#=C2=A0 - libgmp-dev
#=C2=A0 - libpcre3-dev
#=C2=A0 - libssl-dev#=C2=A0 - libvirt-bin
#=C2=A0 - libvirt-dev
#=C2=A0 - libxen-dev
= #=C2=A0 - m4
#=C2=A0 - pkg-config
#=C2=A0 - time
#=C2=A0 - uuid-de= v
#=C2=A0 - zlib1g-dev
# All required OS packages found.
user@xend= ev:~$

Ubuntu version:
user@xendev:~$ lsb_release -a
No = LSB modules are available.
Distributor ID:=C2=A0=C2=A0=C2=A0 Ubuntu
D= escription:=C2=A0=C2=A0=C2=A0 Ubuntu 14.04.3 LTS
Release:=C2=A0=C2=A0=C2= =A0 14.04
Codename:=C2=A0=C2=A0=C2=A0 trusty

Thank you= !

BR,

Heikki Mahkonen
--001a1140131ca34c680521aee40d-- --===============8172186425420691002== 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 --===============8172186425420691002==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 09 17:52:17 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Oct 2015 17:52:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkbq0-0005qE-9w; Fri, 09 Oct 2015 17:52:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkbpz-0005q9-L6 for mirageos-devel@lists.xenproject.org; Fri, 09 Oct 2015 17:52:11 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 61/36-03763-ACEF7165; Fri, 09 Oct 2015 17:52:10 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1444413129!19183721!1 X-Originating-IP: [209.85.212.181] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_20_30,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29940 invoked from network); 9 Oct 2015 17:52:09 -0000 Received: from mail-wi0-f181.google.com (HELO mail-wi0-f181.google.com) (209.85.212.181) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 9 Oct 2015 17:52:09 -0000 Received: by wicge5 with SMTP id ge5so78452620wic.0 for ; Fri, 09 Oct 2015 10:52:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=LyXCLuSQchxQIyc5EleTrnFqrsebaLDTCrCDo7hNO/M=; b=EKEItfg8H/3XKtuNmCYRSSEc0qEacXeS2iKRaOjrsq7eFIf4kGWktrdOoDyzt9WBM9 eng8ykrPL55r1P4vgiET+34Tz1tNDk+oVWVOI5LDOjRA1H8HjEnBeD1Oec+7kbthwkn5 kcmdBsClGAsH5ZbOgaOEIoGTv48mygHv74Y26A9MLtZeR/1xqpzJNYH79uD1D0IbYul1 28FPeIbAht9plHGbUvONoLfIeGgPWhPtxWg0gEuJMcLgrzfquRNfZcSZiAWjIGBzVOXp LgFadZ/m81RsPyx71FOZCJP/NrLKz8bEtaqpQUes2UC+IC8mMB1DWBLrf/N7jzJz4H7d Ux7Q== X-Received: by 10.194.52.106 with SMTP id s10mr15328588wjo.35.1444413128745; Fri, 09 Oct 2015 10:52:08 -0700 (PDT) Received: from mail-wi0-f175.google.com (mail-wi0-f175.google.com. [209.85.212.175]) by smtp.gmail.com with ESMTPSA id q1sm3330689wje.39.2015.10.09.10.52.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Oct 2015 10:52:08 -0700 (PDT) Received: by wiclk2 with SMTP id lk2so80611517wic.0 for ; Fri, 09 Oct 2015 10:52:07 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.206.8 with SMTP id lk8mr585394wic.44.1444413127486; Fri, 09 Oct 2015 10:52:07 -0700 (PDT) Received: by 10.28.130.67 with HTTP; Fri, 9 Oct 2015 10:52:06 -0700 (PDT) Received: by 10.28.130.67 with HTTP; Fri, 9 Oct 2015 10:52:06 -0700 (PDT) In-Reply-To: References: Date: Fri, 9 Oct 2015 18:52:06 +0100 Message-ID: From: Richard Mortier To: Heikki Mahkonen Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5822103867601132990==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5822103867601132990== Content-Type: multipart/alternative; boundary=001a11c369cc5f92eb0521afa35d --001a11c369cc5f92eb0521afa35d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Ah- I believe a recent release of irmin changed the api and jitsu may not have been updated yet. In the meantime, using opam to pin irmin to a previous version should provide a workaround. On 9 Oct 2015 6:00 p.m., "Heikki Mahkonen" wrote: > Hi guys, > > Can anybody help with this? I have problem compiling mirage/jitsu on > Ubuntu. > > Here is the screen grab. > > user@xendev:~$ opam switch > -- -- 3.11.2 Official 3.11.2 release > -- -- 3.12.1 Official 3.12.1 release > -- -- 4.00.0 Official 4.00.0 release > -- -- 4.00.1 Official 4.00.1 release > 4.01.0 I 4.01.0 Official 4.01.0 release > 4.02.0 I 4.02.0 Official 4.02.0 release > 4.02.1 I 4.02.1 Official 4.02.1 release > -- -- 4.02.2 Official 4.02.2 release > 4.02.3 I 4.02.3 Official 4.02.3 release > system C system System compiler (4.02.3) > # 124 more patched or experimental compilers, use '--all' to show > user@xendev:~$ opam switch 4.01.0 > # To setup the new switch in the current shell, you need to run: > eval `opam config env` > user@xendev:~$ eval `opam config env` > user@xendev:~$ opam install jitsu > The following actions will be performed: > =E2=88=97 install jitsu 0.2 > > =3D-=3D- Gathering sources > =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D > [jitsu] Archive in cache > > =3D-=3D- Processing actions > -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D > [ERROR] The compilation of jitsu failed at "make". > > #=3D=3D=3D ERROR while installing jitsu.0.2 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D# > # opam-version 1.2.2 > # os linux > # command make > # path /home/user/.opam/4.01.0/build/jitsu.0.2 > # compiler 4.01.0 > # exit-code 2 > # env-file > /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.env > # stdout-file > /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out > # stderr-file > /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err > ### stdout ### > # mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin > # cd /home/user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w > A-4-44 -package > lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,conduit= .lwt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xenstore_tr= ansport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog > -linkpkg -g vm_stop_mode.ml vm_state.ml xenstore.ml backends.mli > options.ml rumprun.ml libvirt_backend.ml xapi_backend.ml libxl_backend.ml > irmin_backend.mli dns_helpers.ml irmin_backend.ml synjitsu.mli synjitsu.m= l > jitsu.mli jitsu.ml main.ml -o > /home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu -syntax camlp4o > ### stderr ### > # File "irmin_backend.ml", line 39, characters 65-88: > # Error: Unbound type constructor Irmin.t > # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 > > > > =3D-=3D- Error report > -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D > The following actions failed > =E2=88=97 install jitsu 0.2 > No changes have been performed > > =3D-=3D- jitsu.0.2 troobleshooting > =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D > =3D> This package relies on external (system) dependencies that may be > missing. > `opam depext jitsu.0.2' may help you find the correct installation for > your > system. > user@xendev:~$ opam depext jitsu.0.2 > # Detecting depexts using flags: x86_64 linux ubuntu > # The following system packages are needed: > # - libgmp-dev > # - libpcre3-dev > # - libssl-dev > # - libvirt-bin > # - libvirt-dev > # - libxen-dev > # - m4 > # - pkg-config > # - time > # - uuid-dev > # - zlib1g-dev > # All required OS packages found. > user@xendev:~$ > > Ubuntu version: > user@xendev:~$ lsb_release -a > No LSB modules are available. > Distributor ID: Ubuntu > Description: Ubuntu 14.04.3 LTS > Release: 14.04 > Codename: trusty > > Thank you! > > BR, > > Heikki Mahkonen > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --001a11c369cc5f92eb0521afa35d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Ah- I believe a recent release of irmin changed the api and = jitsu may not have been updated yet. In the meantime, using opam to pin irm= in to a previous version should provide a workaround.

On 9 Oct 2015 6:00 p.m., "Heikki Mahkonen&q= uot; <heikki.mahkonen@gmail= .com> wrote:
=
Hi guys,

Can anybody help= with this? I have problem compiling mirage/jitsu on Ubuntu.

Here is= the screen grab.

user@xendev:~$=C2=A0 opam switch
--=C2=A0=C2=A0= =C2=A0=C2=A0 -- 3.11.2=C2=A0 Official 3.11.2 release
--=C2=A0=C2=A0=C2= =A0=C2=A0 -- 3.12.1=C2=A0 Official 3.12.1 release
--=C2=A0=C2=A0=C2=A0= =C2=A0 -- 4.00.0=C2=A0 Official 4.00.0 release
--=C2=A0=C2=A0=C2=A0=C2= =A0 -- 4.00.1=C2=A0 Official 4.00.1 release
4.01.0=C2=A0 I 4.01.0=C2=A0 = Official 4.01.0 release
4.02.0=C2=A0 I 4.02.0=C2=A0 Official 4.02.0 rele= ase
4.02.1=C2=A0 I 4.02.1=C2=A0 Official 4.02.1 release
--=C2=A0=C2= =A0=C2=A0=C2=A0 -- 4.02.2=C2=A0 Official 4.02.2 release
4.02.3=C2=A0 I 4= .02.3=C2=A0 Official 4.02.3 release
system=C2=A0 C system=C2=A0 System c= ompiler (4.02.3)
# 124 more patched or experimental compilers, use '= --all' to show
user@xendev:~$ opam switch 4.01.0
# To setup the n= ew switch in the current shell, you need to run:
eval `opam config env`<= br>user@xendev:~$ eval `opam config env`
user@xendev:~$ opam install jit= su
The following actions will be performed:
=C2=A0 =E2=88=97=C2=A0 in= stall jitsu 0.2

=3D-=3D- Gathering sources =3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D
[jitsu] Archive in cache

=3D-=3D- Processing act= ions -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
[ERROR] The compilation of j= itsu failed at "make".

#=3D=3D=3D ERROR while installing j= itsu.0.2 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D#
# opam-versio= n 1.2.2
# os=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= linux
# command=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 make
# path=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/build/jitsu= .0.2
# compiler=C2=A0=C2=A0=C2=A0=C2=A0 4.01.0
# exit-code=C2=A0=C2= =A0=C2=A0 2
# env-file=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/b= uild/jitsu.0.2/jitsu-20310-1872ec.env
# stdout-file=C2=A0 /home/user/.op= am/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out
# stderr-file=C2=A0 /ho= me/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err
### stdout #= ##
# mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin
# cd /home/= user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w A-4-44=C2=A0 = -package lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,= conduit.lwt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xens= tore_transport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog -l= inkpkg -g=C2=A0 vm_sto= p_mode.ml vm_state.ml<= /a> xenstore.ml backen= ds.mli options.ml rumprun.ml libvirt_backend.ml xapi_backend.ml libxl_backend.ml irmin_backend.m= li dns_helpers.ml <= a href=3D"http://irmin_backend.ml" target=3D"_blank">irmin_backend.ml s= ynjitsu.mli synjitsu.ml jitsu.mli jitsu.ml main.ml -o /home/user/.opam/4.= 01.0/build/jitsu.0.2/bin/jitsu -syntax camlp4o
### stderr ###
# File = "irmin_backend.m= l", line 39, characters 65-88:
# Error: Unbound type constructo= r Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu= ] Error 2



=3D-=3D- Error report -=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D
The following actions failed
=C2=A0 =E2=88=97= =C2=A0 install jitsu 0.2
No changes have been performed

=3D-=3D- = jitsu.0.2 troobleshooting =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
=3D> This package= relies on external (system) dependencies that may be missing.
=C2=A0=C2= =A0 `opam depext jitsu.0.2' may help you find the correct installation = for your
=C2=A0=C2=A0 system.
user@xendev:~$ opam depext jitsu.0.2# Detecting depexts using flags: x86_64 linux ubuntu
# The following sy= stem packages are needed:
#=C2=A0 - libgmp-dev
#=C2=A0 - libpcre3-dev=
#=C2=A0 - libssl-dev
#=C2=A0 - libvirt-bin
#=C2=A0 - libvirt-dev<= br>#=C2=A0 - libxen-dev
#=C2=A0 - m4
#=C2=A0 - pkg-config
#=C2=A0 = - time
#=C2=A0 - uuid-dev
#=C2=A0 - zlib1g-dev
# All required OS p= ackages found.
user@xendev:~$

Ubuntu version:
user@xend= ev:~$ lsb_release -a
No LSB modules are available.
Distributor ID:=C2= =A0=C2=A0=C2=A0 Ubuntu
Description:=C2=A0=C2=A0=C2=A0 Ubuntu 14.04.3 LTS=
Release:=C2=A0=C2=A0=C2=A0 14.04
Codename:=C2=A0=C2=A0=C2=A0 trusty<= br>
Thank you!

BR,

Heikki Mahkonen<= br>

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

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[209.85.212.175]) by smtp.gmail.com with ESMTPSA id q1sm3330689wje.39.2015.10.09.10.52.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 09 Oct 2015 10:52:08 -0700 (PDT) Received: by wiclk2 with SMTP id lk2so80611517wic.0 for ; Fri, 09 Oct 2015 10:52:07 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.206.8 with SMTP id lk8mr585394wic.44.1444413127486; Fri, 09 Oct 2015 10:52:07 -0700 (PDT) Received: by 10.28.130.67 with HTTP; Fri, 9 Oct 2015 10:52:06 -0700 (PDT) Received: by 10.28.130.67 with HTTP; Fri, 9 Oct 2015 10:52:06 -0700 (PDT) In-Reply-To: References: Date: Fri, 9 Oct 2015 18:52:06 +0100 Message-ID: From: Richard Mortier To: Heikki Mahkonen Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5822103867601132990==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5822103867601132990== Content-Type: multipart/alternative; boundary=001a11c369cc5f92eb0521afa35d --001a11c369cc5f92eb0521afa35d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Ah- I believe a recent release of irmin changed the api and jitsu may not have been updated yet. In the meantime, using opam to pin irmin to a previous version should provide a workaround. On 9 Oct 2015 6:00 p.m., "Heikki Mahkonen" wrote: > Hi guys, > > Can anybody help with this? I have problem compiling mirage/jitsu on > Ubuntu. > > Here is the screen grab. > > user@xendev:~$ opam switch > -- -- 3.11.2 Official 3.11.2 release > -- -- 3.12.1 Official 3.12.1 release > -- -- 4.00.0 Official 4.00.0 release > -- -- 4.00.1 Official 4.00.1 release > 4.01.0 I 4.01.0 Official 4.01.0 release > 4.02.0 I 4.02.0 Official 4.02.0 release > 4.02.1 I 4.02.1 Official 4.02.1 release > -- -- 4.02.2 Official 4.02.2 release > 4.02.3 I 4.02.3 Official 4.02.3 release > system C system System compiler (4.02.3) > # 124 more patched or experimental compilers, use '--all' to show > user@xendev:~$ opam switch 4.01.0 > # To setup the new switch in the current shell, you need to run: > eval `opam config env` > user@xendev:~$ eval `opam config env` > user@xendev:~$ opam install jitsu > The following actions will be performed: > =E2=88=97 install jitsu 0.2 > > =3D-=3D- Gathering sources > =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D > [jitsu] Archive in cache > > =3D-=3D- Processing actions > -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D > [ERROR] The compilation of jitsu failed at "make". > > #=3D=3D=3D ERROR while installing jitsu.0.2 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D# > # opam-version 1.2.2 > # os linux > # command make > # path /home/user/.opam/4.01.0/build/jitsu.0.2 > # compiler 4.01.0 > # exit-code 2 > # env-file > /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.env > # stdout-file > /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out > # stderr-file > /home/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err > ### stdout ### > # mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin > # cd /home/user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w > A-4-44 -package > lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,conduit= .lwt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xenstore_tr= ansport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog > -linkpkg -g vm_stop_mode.ml vm_state.ml xenstore.ml backends.mli > options.ml rumprun.ml libvirt_backend.ml xapi_backend.ml libxl_backend.ml > irmin_backend.mli dns_helpers.ml irmin_backend.ml synjitsu.mli synjitsu.m= l > jitsu.mli jitsu.ml main.ml -o > /home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu -syntax camlp4o > ### stderr ### > # File "irmin_backend.ml", line 39, characters 65-88: > # Error: Unbound type constructor Irmin.t > # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 > > > > =3D-=3D- Error report > -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D > The following actions failed > =E2=88=97 install jitsu 0.2 > No changes have been performed > > =3D-=3D- jitsu.0.2 troobleshooting > =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D > =3D> This package relies on external (system) dependencies that may be > missing. > `opam depext jitsu.0.2' may help you find the correct installation for > your > system. > user@xendev:~$ opam depext jitsu.0.2 > # Detecting depexts using flags: x86_64 linux ubuntu > # The following system packages are needed: > # - libgmp-dev > # - libpcre3-dev > # - libssl-dev > # - libvirt-bin > # - libvirt-dev > # - libxen-dev > # - m4 > # - pkg-config > # - time > # - uuid-dev > # - zlib1g-dev > # All required OS packages found. > user@xendev:~$ > > Ubuntu version: > user@xendev:~$ lsb_release -a > No LSB modules are available. > Distributor ID: Ubuntu > Description: Ubuntu 14.04.3 LTS > Release: 14.04 > Codename: trusty > > Thank you! > > BR, > > Heikki Mahkonen > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --001a11c369cc5f92eb0521afa35d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

Ah- I believe a recent release of irmin changed the api and = jitsu may not have been updated yet. In the meantime, using opam to pin irm= in to a previous version should provide a workaround.

On 9 Oct 2015 6:00 p.m., "Heikki Mahkonen&q= uot; <heikki.mahkonen@gmail= .com> wrote:
=
Hi guys,

Can anybody help= with this? I have problem compiling mirage/jitsu on Ubuntu.

Here is= the screen grab.

user@xendev:~$=C2=A0 opam switch
--=C2=A0=C2=A0= =C2=A0=C2=A0 -- 3.11.2=C2=A0 Official 3.11.2 release
--=C2=A0=C2=A0=C2= =A0=C2=A0 -- 3.12.1=C2=A0 Official 3.12.1 release
--=C2=A0=C2=A0=C2=A0= =C2=A0 -- 4.00.0=C2=A0 Official 4.00.0 release
--=C2=A0=C2=A0=C2=A0=C2= =A0 -- 4.00.1=C2=A0 Official 4.00.1 release
4.01.0=C2=A0 I 4.01.0=C2=A0 = Official 4.01.0 release
4.02.0=C2=A0 I 4.02.0=C2=A0 Official 4.02.0 rele= ase
4.02.1=C2=A0 I 4.02.1=C2=A0 Official 4.02.1 release
--=C2=A0=C2= =A0=C2=A0=C2=A0 -- 4.02.2=C2=A0 Official 4.02.2 release
4.02.3=C2=A0 I 4= .02.3=C2=A0 Official 4.02.3 release
system=C2=A0 C system=C2=A0 System c= ompiler (4.02.3)
# 124 more patched or experimental compilers, use '= --all' to show
user@xendev:~$ opam switch 4.01.0
# To setup the n= ew switch in the current shell, you need to run:
eval `opam config env`<= br>user@xendev:~$ eval `opam config env`
user@xendev:~$ opam install jit= su
The following actions will be performed:
=C2=A0 =E2=88=97=C2=A0 in= stall jitsu 0.2

=3D-=3D- Gathering sources =3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D
[jitsu] Archive in cache

=3D-=3D- Processing act= ions -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
[ERROR] The compilation of j= itsu failed at "make".

#=3D=3D=3D ERROR while installing j= itsu.0.2 =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D#
# opam-versio= n 1.2.2
# os=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= linux
# command=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 make
# path=C2=A0=C2= =A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/build/jitsu= .0.2
# compiler=C2=A0=C2=A0=C2=A0=C2=A0 4.01.0
# exit-code=C2=A0=C2= =A0=C2=A0 2
# env-file=C2=A0=C2=A0=C2=A0=C2=A0 /home/user/.opam/4.01.0/b= uild/jitsu.0.2/jitsu-20310-1872ec.env
# stdout-file=C2=A0 /home/user/.op= am/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.out
# stderr-file=C2=A0 /ho= me/user/.opam/4.01.0/build/jitsu.0.2/jitsu-20310-1872ec.err
### stdout #= ##
# mkdir -p /home/user/.opam/4.01.0/build/jitsu.0.2/bin
# cd /home/= user/.opam/4.01.0/build/jitsu.0.2/src ; ocamlfind ocamlopt -w A-4-44=C2=A0 = -package lwt.syntax,lwt,dns.lwt,libvirt,cmdliner,ezxmlm,ipaddr,str,conduit,= conduit.lwt-unix,xen-api-client,xen-api-client.lwt,irmin.unix,xenstore,xens= tore_transport,xenstore_transport.lwt,uuidm,xenlight,xenlight.xentoollog -l= inkpkg -g=C2=A0 vm_sto= p_mode.ml vm_state.ml<= /a> xenstore.ml backen= ds.mli options.ml rumprun.ml libvirt_backend.ml xapi_backend.ml libxl_backend.ml irmin_backend.m= li dns_helpers.ml <= a href=3D"http://irmin_backend.ml" target=3D"_blank">irmin_backend.ml s= ynjitsu.mli synjitsu.ml jitsu.mli jitsu.ml main.ml -o /home/user/.opam/4.= 01.0/build/jitsu.0.2/bin/jitsu -syntax camlp4o
### stderr ###
# File = "irmin_backend.m= l", line 39, characters 65-88:
# Error: Unbound type constructo= r Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu= ] Error 2



=3D-=3D- Error report -=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D
The following actions failed
=C2=A0 =E2=88=97= =C2=A0 install jitsu 0.2
No changes have been performed

=3D-=3D- = jitsu.0.2 troobleshooting =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-= =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D
=3D> This package= relies on external (system) dependencies that may be missing.
=C2=A0=C2= =A0 `opam depext jitsu.0.2' may help you find the correct installation = for your
=C2=A0=C2=A0 system.
user@xendev:~$ opam depext jitsu.0.2# Detecting depexts using flags: x86_64 linux ubuntu
# The following sy= stem packages are needed:
#=C2=A0 - libgmp-dev
#=C2=A0 - libpcre3-dev=
#=C2=A0 - libssl-dev
#=C2=A0 - libvirt-bin
#=C2=A0 - libvirt-dev<= br>#=C2=A0 - libxen-dev
#=C2=A0 - m4
#=C2=A0 - pkg-config
#=C2=A0 = - time
#=C2=A0 - uuid-dev
#=C2=A0 - zlib1g-dev
# All required OS p= ackages found.
user@xendev:~$

Ubuntu version:
user@xend= ev:~$ lsb_release -a
No LSB modules are available.
Distributor ID:=C2= =A0=C2=A0=C2=A0 Ubuntu
Description:=C2=A0=C2=A0=C2=A0 Ubuntu 14.04.3 LTS=
Release:=C2=A0=C2=A0=C2=A0 14.04
Codename:=C2=A0=C2=A0=C2=A0 trusty<= br>
Thank you!

BR,

Heikki Mahkonen<= br>

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

--001a11c369cc5f92eb0521afa35d-- --===============5822103867601132990== 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 --===============5822103867601132990==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 09 17:52:44 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Oct 2015 17:52:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkbqW-0005rV-EM; Fri, 09 Oct 2015 17:52:44 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkbqV-0005rN-0y for mirageos-devel@lists.xenproject.org; Fri, 09 Oct 2015 17:52:43 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id F5/7C-25435-AEEF7165; Fri, 09 Oct 2015 17:52:42 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-9.tower-27.messagelabs.com!1444413160!57256281!1 X-Originating-IP: [66.111.4.29] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjkgPT4gNjQ0MA==\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31601 invoked from network); 9 Oct 2015 17:52:41 -0000 Received: from out5-smtp.messagingengine.com (HELO out5-smtp.messagingengine.com) (66.111.4.29) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 9 Oct 2015 17:52:41 -0000 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 5B74E20444 for ; Fri, 9 Oct 2015 13:52:40 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute3.internal (MEProxy); Fri, 09 Oct 2015 13:52:40 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h= content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=k67VrtHBiqgnFs7jz0IwsTPo/OQ=; b=d2a4n2 0LatYNxtfvzpqvpUhgt5Zci9vsmBomPFTsIkRRioeJ1Z3Ma+rwzx7X4rSj2OAa7k UU0/rVJ6/LH/xWl2Iq1RXsbhpIf7LhG5/o7SucW18Fn/eaBjjNG/Ad8LtAcbqnKX l1YicKtSbAcsLAaam0qk64E0FLUS4YyyJnrs0= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=k67VrtHBiqgnFs7 jz0IwsTPo/OQ=; b=b6Ni6p7SlTEacNMIVcrYqDy/NpcTif91MF0X4F0uc5S/+ZV dfEkXwcDrF4Lfdj0HtqqmHChJK2BPuSsco2fqb+wBO8l7+7KJylm+/9LRyC12En1 WxxbQu7h4GTJubYvtlW8yfGf0UwofTL4yXjwK9nPL4H13xFEjgldulKm9Su8= Received: by web6.nyi.internal (Postfix, from userid 99) id 2B3264C961; Fri, 9 Oct 2015 13:52:40 -0400 (EDT) Message-Id: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> X-Sasl-Enc: tywOmyR3YY7PAhnj9D3YuPiq1G7I41qvLZ2n8ZWxCCHX 1444413160 From: Magnus Skjegstad To: Heikki Mahkonen , mirageos-devel@lists.xenproject.org MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-3fc6701a Date: Fri, 09 Oct 2015 19:52:40 +0200 In-Reply-To: References: Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============2059030091001816163==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============2059030091001816163== Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary="_----------=_144441316039213970"; charset="utf-8" This is a multi-part message in MIME format. --_----------=_144441316039213970 Content-Transfer-Encoding: 7bit Content-Type: text/plain On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: > Hi guys, Can anybody help with this? I have problem compiling > mirage/jitsu on Ubuntu. [...] > # File "irmin_backend.ml", line 39, characters 65-88: Error: Unbound > # type constructor Irmin.t make: *** > # [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu. As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'. I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated. 1.https://github.com/ocaml/opam-repository/pull/4941 Magnus --_----------=_144441316039213970 Content-Transfer-Encoding: 7bit Content-Type: text/html
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu.
[...]
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated.
 
 
Magnus
--_----------=_144441316039213970-- --===============2059030091001816163== 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 --===============2059030091001816163==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 09 17:52:44 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Oct 2015 17:52:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkbqW-0005rV-EM; Fri, 09 Oct 2015 17:52:44 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkbqV-0005rN-0y for mirageos-devel@lists.xenproject.org; Fri, 09 Oct 2015 17:52:43 +0000 Received: from [193.109.254.147] by server-3.bemta-14.messagelabs.com id F5/7C-25435-AEEF7165; Fri, 09 Oct 2015 17:52:42 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-9.tower-27.messagelabs.com!1444413160!57256281!1 X-Originating-IP: [66.111.4.29] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjkgPT4gNjQ0MA==\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31601 invoked from network); 9 Oct 2015 17:52:41 -0000 Received: from out5-smtp.messagingengine.com (HELO out5-smtp.messagingengine.com) (66.111.4.29) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 9 Oct 2015 17:52:41 -0000 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 5B74E20444 for ; Fri, 9 Oct 2015 13:52:40 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute3.internal (MEProxy); Fri, 09 Oct 2015 13:52:40 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h= content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=k67VrtHBiqgnFs7jz0IwsTPo/OQ=; b=d2a4n2 0LatYNxtfvzpqvpUhgt5Zci9vsmBomPFTsIkRRioeJ1Z3Ma+rwzx7X4rSj2OAa7k UU0/rVJ6/LH/xWl2Iq1RXsbhpIf7LhG5/o7SucW18Fn/eaBjjNG/Ad8LtAcbqnKX l1YicKtSbAcsLAaam0qk64E0FLUS4YyyJnrs0= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=k67VrtHBiqgnFs7 jz0IwsTPo/OQ=; b=b6Ni6p7SlTEacNMIVcrYqDy/NpcTif91MF0X4F0uc5S/+ZV dfEkXwcDrF4Lfdj0HtqqmHChJK2BPuSsco2fqb+wBO8l7+7KJylm+/9LRyC12En1 WxxbQu7h4GTJubYvtlW8yfGf0UwofTL4yXjwK9nPL4H13xFEjgldulKm9Su8= Received: by web6.nyi.internal (Postfix, from userid 99) id 2B3264C961; Fri, 9 Oct 2015 13:52:40 -0400 (EDT) Message-Id: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> X-Sasl-Enc: tywOmyR3YY7PAhnj9D3YuPiq1G7I41qvLZ2n8ZWxCCHX 1444413160 From: Magnus Skjegstad To: Heikki Mahkonen , mirageos-devel@lists.xenproject.org MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-3fc6701a Date: Fri, 09 Oct 2015 19:52:40 +0200 In-Reply-To: References: Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============2059030091001816163==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============2059030091001816163== Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary="_----------=_144441316039213970"; charset="utf-8" This is a multi-part message in MIME format. --_----------=_144441316039213970 Content-Transfer-Encoding: 7bit Content-Type: text/plain On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: > Hi guys, Can anybody help with this? I have problem compiling > mirage/jitsu on Ubuntu. [...] > # File "irmin_backend.ml", line 39, characters 65-88: Error: Unbound > # type constructor Irmin.t make: *** > # [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu. As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'. I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated. 1.https://github.com/ocaml/opam-repository/pull/4941 Magnus --_----------=_144441316039213970 Content-Transfer-Encoding: 7bit Content-Type: text/html
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu.
[...]
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated.
 
 
Magnus
--_----------=_144441316039213970-- --===============2059030091001816163== 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 --===============2059030091001816163==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 09 20:31:44 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Oct 2015 20:31:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkeKD-00086P-Ts; Fri, 09 Oct 2015 20:31:33 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkeKC-00086J-SS for mirageos-devel@lists.xenproject.org; Fri, 09 Oct 2015 20:31:33 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 7B/E1-04752-42428165; Fri, 09 Oct 2015 20:31:32 +0000 X-Env-Sender: heikki.mahkonen@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1444422690!20480416!1 X-Originating-IP: [209.85.217.171] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10370 invoked from network); 9 Oct 2015 20:31:30 -0000 Received: from mail-lb0-f171.google.com (HELO mail-lb0-f171.google.com) (209.85.217.171) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Oct 2015 20:31:30 -0000 Received: by lbwr8 with SMTP id r8so92304784lbw.2 for ; Fri, 09 Oct 2015 13:31:30 -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=Hoidp6qgjCuHhE5MbO06NugXJdgjKs7NOol0AxwQ85I=; b=VL9LFZNGZuXTrGfZkSjU4FBjlUYrEsIM9QCaQ/sUNOuJ68uYb70LKhDgfY9YAR5yp8 ZoAReiKii+f541gAPOwoJY9JSOcdOphJOImkaqFQe0xTsp2+4pmsHvPlt//dOKetkuJE trQ6j2oWx3NbcyhOxfXbGGEsJwbvXF0K1GFg/vy9oxHzJTegRCguTk3v8FpKjeioovS+ HzkWgQv62bH8d1amghKW6myTfidtM9S8WaGQRMaha9XLX6z71ywQ38h0OEHAlHt6OTHa ftr2nbo3Rf7BRkKkdwvok2c7TjcW0D3utz9ROWlkHrr3tgLA5wGEiaDvQ3aWaGIk3nmR zZYA== MIME-Version: 1.0 X-Received: by 10.25.143.73 with SMTP id r70mr5020217lfd.108.1444422690199; Fri, 09 Oct 2015 13:31:30 -0700 (PDT) Received: by 10.112.190.97 with HTTP; Fri, 9 Oct 2015 13:31:30 -0700 (PDT) In-Reply-To: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> Date: Fri, 9 Oct 2015 13:31:30 -0700 Message-ID: From: Heikki Mahkonen To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Fwd: Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5942886060733506427==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5942886060733506427== Content-Type: multipart/alternative; boundary=001a114015905adfeb0521b1ddec --001a114015905adfeb0521b1ddec Content-Type: text/plain; charset=UTF-8 FYI ---------- Forwarded message ---------- From: Heikki Mahkonen Date: Fri, Oct 9, 2015 at 12:58 PM Subject: Re: [MirageOS-devel] Problem compiling Jitsu To: Magnus Skjegstad Hi, Thank you for the quick reply! I got it working now. I had to also pin the ezjsonm to 0.4.1. > opam pin add ezjsonm 0.4.1 Thanks guys! BR, Heikki On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad wrote: > On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: > > Hi guys, > Can anybody help with this? I have problem compiling mirage/jitsu on > Ubuntu. > [...] > # File "irmin_backend.ml", line 39, characters 65-88: > # Error: Unbound type constructor Irmin.t > # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 > > > This error is caused by a recent API change in Irmin 0.9.10 and will be > fixed in the next version of Jitsu. > > As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin > add irmin 0.9.9'. You should then be able to install Jitsu with 'opam > install jitsu'. > > I have submitted a PR to add a version constraint in opam [1], but it may > take some time before it is merged and propagated. > > 1. https://github.com/ocaml/opam-repository/pull/4941 > > Magnus > --001a114015905adfeb0521b1ddec Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
FYI

---------- Forw= arded message ----------
From: Heikki Mahk= onen <heikki.mahkonen@gmail.com>
Date: Fri, Oct 9, 2015 at 12:5= 8 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus= Skjegstad <magnus@v0.no>

=
Hi,

Thank you for the quic= k reply! I got it working now. I had to also pin the ezjsonm to 0.4.1.
<= br>> opam pin add ezjsonm 0.4.1

Thanks guys!

BR,

Heikki

On Fri, Oct 9, = 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no> wrote:
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on U= buntu.
[...]
# File "irm= in_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error = 2
=C2=A0
This error is caused by a recent API change in Irmin 0.9.10 and will b= e fixed in the next version of Jitsu.
=C2=A0
As a temporary solution you can pin Irmin to version 0.9.9 with 'o= pam pin add irmin 0.9.9'. You should then be able to install Jitsu with= 'opam install jitsu'.
=C2=A0
I have submitted a PR to add a version constraint in opam [1], but it = may take some time before it is merged and propagated.
=C2=A0
=C2=A0
Magnus


--001a114015905adfeb0521b1ddec-- --===============5942886060733506427== 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 --===============5942886060733506427==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 09 20:31:44 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 09 Oct 2015 20:31:44 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkeKD-00086P-Ts; Fri, 09 Oct 2015 20:31:33 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkeKC-00086J-SS for mirageos-devel@lists.xenproject.org; Fri, 09 Oct 2015 20:31:33 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 7B/E1-04752-42428165; Fri, 09 Oct 2015 20:31:32 +0000 X-Env-Sender: heikki.mahkonen@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1444422690!20480416!1 X-Originating-IP: [209.85.217.171] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10370 invoked from network); 9 Oct 2015 20:31:30 -0000 Received: from mail-lb0-f171.google.com (HELO mail-lb0-f171.google.com) (209.85.217.171) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 9 Oct 2015 20:31:30 -0000 Received: by lbwr8 with SMTP id r8so92304784lbw.2 for ; Fri, 09 Oct 2015 13:31:30 -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=Hoidp6qgjCuHhE5MbO06NugXJdgjKs7NOol0AxwQ85I=; b=VL9LFZNGZuXTrGfZkSjU4FBjlUYrEsIM9QCaQ/sUNOuJ68uYb70LKhDgfY9YAR5yp8 ZoAReiKii+f541gAPOwoJY9JSOcdOphJOImkaqFQe0xTsp2+4pmsHvPlt//dOKetkuJE trQ6j2oWx3NbcyhOxfXbGGEsJwbvXF0K1GFg/vy9oxHzJTegRCguTk3v8FpKjeioovS+ HzkWgQv62bH8d1amghKW6myTfidtM9S8WaGQRMaha9XLX6z71ywQ38h0OEHAlHt6OTHa ftr2nbo3Rf7BRkKkdwvok2c7TjcW0D3utz9ROWlkHrr3tgLA5wGEiaDvQ3aWaGIk3nmR zZYA== MIME-Version: 1.0 X-Received: by 10.25.143.73 with SMTP id r70mr5020217lfd.108.1444422690199; Fri, 09 Oct 2015 13:31:30 -0700 (PDT) Received: by 10.112.190.97 with HTTP; Fri, 9 Oct 2015 13:31:30 -0700 (PDT) In-Reply-To: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> Date: Fri, 9 Oct 2015 13:31:30 -0700 Message-ID: From: Heikki Mahkonen To: mirageos-devel@lists.xenproject.org Subject: [MirageOS-devel] Fwd: Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5942886060733506427==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5942886060733506427== Content-Type: multipart/alternative; boundary=001a114015905adfeb0521b1ddec --001a114015905adfeb0521b1ddec Content-Type: text/plain; charset=UTF-8 FYI ---------- Forwarded message ---------- From: Heikki Mahkonen Date: Fri, Oct 9, 2015 at 12:58 PM Subject: Re: [MirageOS-devel] Problem compiling Jitsu To: Magnus Skjegstad Hi, Thank you for the quick reply! I got it working now. I had to also pin the ezjsonm to 0.4.1. > opam pin add ezjsonm 0.4.1 Thanks guys! BR, Heikki On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad wrote: > On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: > > Hi guys, > Can anybody help with this? I have problem compiling mirage/jitsu on > Ubuntu. > [...] > # File "irmin_backend.ml", line 39, characters 65-88: > # Error: Unbound type constructor Irmin.t > # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 > > > This error is caused by a recent API change in Irmin 0.9.10 and will be > fixed in the next version of Jitsu. > > As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin > add irmin 0.9.9'. You should then be able to install Jitsu with 'opam > install jitsu'. > > I have submitted a PR to add a version constraint in opam [1], but it may > take some time before it is merged and propagated. > > 1. https://github.com/ocaml/opam-repository/pull/4941 > > Magnus > --001a114015905adfeb0521b1ddec Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
FYI

---------- Forw= arded message ----------
From: Heikki Mahk= onen <heikki.mahkonen@gmail.com>
Date: Fri, Oct 9, 2015 at 12:5= 8 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus= Skjegstad <magnus@v0.no>

=
Hi,

Thank you for the quic= k reply! I got it working now. I had to also pin the ezjsonm to 0.4.1.
<= br>> opam pin add ezjsonm 0.4.1

Thanks guys!

BR,

Heikki

On Fri, Oct 9, = 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no> wrote:
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on U= buntu.
[...]
# File "irm= in_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error = 2
=C2=A0
This error is caused by a recent API change in Irmin 0.9.10 and will b= e fixed in the next version of Jitsu.
=C2=A0
As a temporary solution you can pin Irmin to version 0.9.9 with 'o= pam pin add irmin 0.9.9'. You should then be able to install Jitsu with= 'opam install jitsu'.
=C2=A0
I have submitted a PR to add a version constraint in opam [1], but it = may take some time before it is merged and propagated.
=C2=A0
=C2=A0
Magnus


--001a114015905adfeb0521b1ddec-- --===============5942886060733506427== 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 --===============5942886060733506427==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 10 06:43:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 10 Oct 2015 06:43:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zknrn-0005fN-Fz; Sat, 10 Oct 2015 06:42:51 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zknrl-0005fF-RX for MirageOS-devel@lists.xenproject.org; Sat, 10 Oct 2015 06:42:50 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 7F/B9-24856-963B8165; Sat, 10 Oct 2015 06:42:49 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1444459367!25604017!1 X-Originating-IP: [209.85.217.177] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22932 invoked from network); 10 Oct 2015 06:42:48 -0000 Received: from mail-lb0-f177.google.com (HELO mail-lb0-f177.google.com) (209.85.217.177) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Oct 2015 06:42:48 -0000 Received: by lbcao8 with SMTP id ao8so101761525lbc.3 for ; Fri, 09 Oct 2015 23:42:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=HIlk0JV/Op2dwch66qv0biUCEV3HrG1H6p75iDTJUrg=; b=OXRn85po3kD22S0ZK7lPfNEfoUmPDjGXNj5d9kA1eNajM9sqIw9QUdDM1I+xQV2q7L 3tLfa8lILX36GVXLn49gjjv2oypP/CRCf0VvTPrHHPELh75yE//6WatlT3Xso/2/HmLk Sp4ooZWfDpppmQ3gvoGl9ArXo90g2CX7TzAO6pp7SJGSS8rXSTJjc3gwgD//IsXTzlpC iyrQ3dzDa2rXTWol+yF0rafTGZhxFG1j28lgTkPjgJHCi/fflvYp87S9VqVP6Y3muCGL U6XD8JbjwPtubnanZmiU0LYclaFsbb5VqXOQVVggVZP2pt++VNsYTQHS5rWIl8R4f/rG roXA== MIME-Version: 1.0 X-Received: by 10.112.200.229 with SMTP id jv5mr8254423lbc.123.1444459367181; Fri, 09 Oct 2015 23:42:47 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Fri, 9 Oct 2015 23:42:47 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Sat, 10 Oct 2015 08:42:47 +0200 X-Google-Sender-Auth: 2Xqzbm_6p32EN5-B_X8h08SPseo Message-ID: From: "Christiano F. Haesbaert" To: Richard Mortier Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 have released charrua-core \o/: https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ Many thanks to Richard, Anil, Hannes, David and all the people who helped me through it. So now it should be possible to run your dhcp server in mirage by cloning: https://github.com/haesbaert/charrua-mirage This repository was made to be integrated into mirage-skeleton/dhcp_server, but looking at it now, it's to unhygienic, most of the code in mirage-skeleton has just a few lines of hooks and so on, while charrua-mirage has too much logic in it. Should we integrate charrua-mirage into mirage-skeleton as it is ? My proposal so far is "yes", in the meantime I'll create a transition library between mirage and charrua-core, so that the unikernel.ml can be super stupid for the simple case, much like what it's done in mirage-skeleton/conduit_server. Thoughts ? On 7 October 2015 at 14:56, Christiano F. Haesbaert wrote: > On 6 October 2015 at 12:05, Christiano F. Haesbaert > wrote: >> On 30 September 2015 at 18:50, Richard Mortier >> wrote: >>> [ Adding the list as discussion may be of more general interest. This >>> concerns Christiano's DHCP server, Charrua, at >>> https://github.com/haesbaert/charrua-core, >>> https://github.com/haesbaert/charrua-mirage and >>> https://github.com/haesbaert/charrua-unix. ] >>> >>> On 30 September 2015 at 13:39, Christiano F. Haesbaert >>> wrote: >>>> >>>> On Wednesday, 30 September 2015, Richard Mortier >>>> wrote: >>>>> >>> ... >>>>> Some random thoughts: >>>>> >>>>> + Is there a reason why you include clock.mli rather than depending on >>>>> mirage-types and using the definition from there? >>>> >>>> Probably inexperience, that was for charrua-unix to be able to use the Ocaml >>>> Clock module without having a functor, but I want to change that, didnt find >>>> a better way at the time. >>> >>> Given you're using functors elsewhere, why is it a problem to use a >>> functor for Clock too? >>> >>>>> + I notice the INTERFACE type you define -- is this something that we >>>>> should think about adding to mirage-types? >>>> >>>> Don't think so. >>>> This is an artifact of having the library working outside mirage >>>> (charrua-unix), i basically need to tell the Server module how to do IO and >>>> what is an interface. Im not too happy with the way I wrote this, perphaps >>>> there is a better way ? >>> >>> This may bear some thinking about-- I wonder if the right thing to do >>> is to just use the Mirage types, functors, libraries, etc, but (using >>> @drup's shiny new Functoria-based Mirage DSL implementation) implement >>> a "native Unix" backend so that cmdliner and other things can be used >>> as-is. That way you can leverage the module types and libraries all >>> the way down, but aren't tied to having the entry point look like a >>> unikernel (hence can pass params etc as you would normally). >>> >>> All-- thoughts? >>> >>>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>>>> I can try and put a PR together for this if you prefer... >>>> >>>> Sure let's do it, but by PR you mean ? >>> >>> Pull Request :) >>> >> >> So I gave a stab at this, but it seemed pointless without the cenum >> conversion, the only thing left would be a cstruct Dhcp. >> I had a look on your tftp library, and it seems all the parsing and >> such is in tftp.wire itself, while mine is in dhcp.ml, I only use a >> Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct >> definitions play nice with merlin. >> Should we keep both ? I like the idea of a Dhcp module, and I think >> that is more important to be a separate library than the Dhcp_wire, or >> maybe both should be separated ? >> I'm starting the cenum conversion and that might shed some light on >> how to proceed. >> > > So I think I have addressed all the points now. > * Fixed the clock.mli inclusion. > * Converted relevant types to cstruct. > * Split into charrua-core.server and charrua-core.wire as suggested. > > Then on the next release I can concentrate on Alistair irmin lease > storage and some regression tests. > I still have to write and document a dhcp_wire.mli. > > If you could have a look just to make sure I got it right, would be awesome :D. > > >>>>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>>>> construct for declaring the codepoints etc? (Wondering whether >>>>> something that replaces `cstruct ... { }` could/should be replaced >>>>> with something that enables`with cstruct` a la `with sexp`.) >>>> >>>> i didn't know about cenum, that will make things easier, I will work on that >>>> thus week. >>> >>> Cool. In general I think we have an inclination now to remove camlp4 >>> syntax extensions where possible -- I don't know if anyone has looked >>> at replacing cstruct.syntax though (which I would guess is the most >>> commonly used now we don't generally use lwt.syntax). Anyone? >>> >>>>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>>>> there a logging framework ready for use/Is dog the place to start for >>>>> one? (I'll push Tftp over onto it as well if so.) >>>> >>>> That was also to be able to use charrua-core outside of mirage. >>> >>> I understood that Dog depended on Irmin rather than Mirage, but I >>> might be wrong. (@samoht?) >>> >>>>> + Alistair had started adding (possibly got to some kind of >>>>> completion) Irmin support for the state in his version (based directly >>>>> off mirage-tcpip -- >>>>> >>>>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d08397033b8c4f830a519db5a0) >>>>> -- would be great to look at adding/merging this somehow. >>>> >>>> I agree, i can work on merging his code, I would do it for 0.2 though. >>> >>> Fair enough :) >>> >>>> Bear in mind my ocaml-foo may not be on paar, you should see other naive >>>> mistakes and/or uncommon idioms. >>> >>> I'm sure those with sufficient experience will eventually point them out :) >>> >>>> If supporting Charrua-core outside of mirage contaminates too much of the >>>> design, I can drop charrua-unix. This was in fact my first idea, but then I >>>> figure it would be interesting on the architectural level, since it provides >>>> a stronger separation between the core logic and the rest. >>> >>> FWIW, what I was trying to do with `ocaml-tftp` was to have the >>> library and then Mirage and (pure) Unix servers (and ultimately, >>> clients) in a single repo, under different directories, using Oasis to >>> generate the necessary build runes and OPAM to manage installation of >>> different generated ocamlfind components. (Though I just noticed I >>> need to split that down more.) Not entirely successful (or finished!) >>> so far, but it mostly seemed to work. (And meant I didn't have to >>> worry about too many repos.) >>> >>> -- _______________________________________________ MirageOS-devel 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 Oct 10 06:43:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 10 Oct 2015 06:43:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zknrn-0005fN-Fz; Sat, 10 Oct 2015 06:42:51 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zknrl-0005fF-RX for MirageOS-devel@lists.xenproject.org; Sat, 10 Oct 2015 06:42:50 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 7F/B9-24856-963B8165; Sat, 10 Oct 2015 06:42:49 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-15.tower-206.messagelabs.com!1444459367!25604017!1 X-Originating-IP: [209.85.217.177] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22932 invoked from network); 10 Oct 2015 06:42:48 -0000 Received: from mail-lb0-f177.google.com (HELO mail-lb0-f177.google.com) (209.85.217.177) by server-15.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 10 Oct 2015 06:42:48 -0000 Received: by lbcao8 with SMTP id ao8so101761525lbc.3 for ; Fri, 09 Oct 2015 23:42:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=HIlk0JV/Op2dwch66qv0biUCEV3HrG1H6p75iDTJUrg=; b=OXRn85po3kD22S0ZK7lPfNEfoUmPDjGXNj5d9kA1eNajM9sqIw9QUdDM1I+xQV2q7L 3tLfa8lILX36GVXLn49gjjv2oypP/CRCf0VvTPrHHPELh75yE//6WatlT3Xso/2/HmLk Sp4ooZWfDpppmQ3gvoGl9ArXo90g2CX7TzAO6pp7SJGSS8rXSTJjc3gwgD//IsXTzlpC iyrQ3dzDa2rXTWol+yF0rafTGZhxFG1j28lgTkPjgJHCi/fflvYp87S9VqVP6Y3muCGL U6XD8JbjwPtubnanZmiU0LYclaFsbb5VqXOQVVggVZP2pt++VNsYTQHS5rWIl8R4f/rG roXA== MIME-Version: 1.0 X-Received: by 10.112.200.229 with SMTP id jv5mr8254423lbc.123.1444459367181; Fri, 09 Oct 2015 23:42:47 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Fri, 9 Oct 2015 23:42:47 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Sat, 10 Oct 2015 08:42:47 +0200 X-Google-Sender-Auth: 2Xqzbm_6p32EN5-B_X8h08SPseo Message-ID: From: "Christiano F. Haesbaert" To: Richard Mortier Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 have released charrua-core \o/: https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ Many thanks to Richard, Anil, Hannes, David and all the people who helped me through it. So now it should be possible to run your dhcp server in mirage by cloning: https://github.com/haesbaert/charrua-mirage This repository was made to be integrated into mirage-skeleton/dhcp_server, but looking at it now, it's to unhygienic, most of the code in mirage-skeleton has just a few lines of hooks and so on, while charrua-mirage has too much logic in it. Should we integrate charrua-mirage into mirage-skeleton as it is ? My proposal so far is "yes", in the meantime I'll create a transition library between mirage and charrua-core, so that the unikernel.ml can be super stupid for the simple case, much like what it's done in mirage-skeleton/conduit_server. Thoughts ? On 7 October 2015 at 14:56, Christiano F. Haesbaert wrote: > On 6 October 2015 at 12:05, Christiano F. Haesbaert > wrote: >> On 30 September 2015 at 18:50, Richard Mortier >> wrote: >>> [ Adding the list as discussion may be of more general interest. This >>> concerns Christiano's DHCP server, Charrua, at >>> https://github.com/haesbaert/charrua-core, >>> https://github.com/haesbaert/charrua-mirage and >>> https://github.com/haesbaert/charrua-unix. ] >>> >>> On 30 September 2015 at 13:39, Christiano F. Haesbaert >>> wrote: >>>> >>>> On Wednesday, 30 September 2015, Richard Mortier >>>> wrote: >>>>> >>> ... >>>>> Some random thoughts: >>>>> >>>>> + Is there a reason why you include clock.mli rather than depending on >>>>> mirage-types and using the definition from there? >>>> >>>> Probably inexperience, that was for charrua-unix to be able to use the Ocaml >>>> Clock module without having a functor, but I want to change that, didnt find >>>> a better way at the time. >>> >>> Given you're using functors elsewhere, why is it a problem to use a >>> functor for Clock too? >>> >>>>> + I notice the INTERFACE type you define -- is this something that we >>>>> should think about adding to mirage-types? >>>> >>>> Don't think so. >>>> This is an artifact of having the library working outside mirage >>>> (charrua-unix), i basically need to tell the Server module how to do IO and >>>> what is an interface. Im not too happy with the way I wrote this, perphaps >>>> there is a better way ? >>> >>> This may bear some thinking about-- I wonder if the right thing to do >>> is to just use the Mirage types, functors, libraries, etc, but (using >>> @drup's shiny new Functoria-based Mirage DSL implementation) implement >>> a "native Unix" backend so that cmdliner and other things can be used >>> as-is. That way you can leverage the module types and libraries all >>> the way down, but aren't tied to having the entry point look like a >>> unikernel (hence can pass params etc as you would normally). >>> >>> All-- thoughts? >>> >>>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>>>> I can try and put a PR together for this if you prefer... >>>> >>>> Sure let's do it, but by PR you mean ? >>> >>> Pull Request :) >>> >> >> So I gave a stab at this, but it seemed pointless without the cenum >> conversion, the only thing left would be a cstruct Dhcp. >> I had a look on your tftp library, and it seems all the parsing and >> such is in tftp.wire itself, while mine is in dhcp.ml, I only use a >> Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct >> definitions play nice with merlin. >> Should we keep both ? I like the idea of a Dhcp module, and I think >> that is more important to be a separate library than the Dhcp_wire, or >> maybe both should be separated ? >> I'm starting the cenum conversion and that might shed some light on >> how to proceed. >> > > So I think I have addressed all the points now. > * Fixed the clock.mli inclusion. > * Converted relevant types to cstruct. > * Split into charrua-core.server and charrua-core.wire as suggested. > > Then on the next release I can concentrate on Alistair irmin lease > storage and some regression tests. > I still have to write and document a dhcp_wire.mli. > > If you could have a look just to make sure I got it right, would be awesome :D. > > >>>>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>>>> construct for declaring the codepoints etc? (Wondering whether >>>>> something that replaces `cstruct ... { }` could/should be replaced >>>>> with something that enables`with cstruct` a la `with sexp`.) >>>> >>>> i didn't know about cenum, that will make things easier, I will work on that >>>> thus week. >>> >>> Cool. In general I think we have an inclination now to remove camlp4 >>> syntax extensions where possible -- I don't know if anyone has looked >>> at replacing cstruct.syntax though (which I would guess is the most >>> commonly used now we don't generally use lwt.syntax). Anyone? >>> >>>>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>>>> there a logging framework ready for use/Is dog the place to start for >>>>> one? (I'll push Tftp over onto it as well if so.) >>>> >>>> That was also to be able to use charrua-core outside of mirage. >>> >>> I understood that Dog depended on Irmin rather than Mirage, but I >>> might be wrong. (@samoht?) >>> >>>>> + Alistair had started adding (possibly got to some kind of >>>>> completion) Irmin support for the state in his version (based directly >>>>> off mirage-tcpip -- >>>>> >>>>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d08397033b8c4f830a519db5a0) >>>>> -- would be great to look at adding/merging this somehow. >>>> >>>> I agree, i can work on merging his code, I would do it for 0.2 though. >>> >>> Fair enough :) >>> >>>> Bear in mind my ocaml-foo may not be on paar, you should see other naive >>>> mistakes and/or uncommon idioms. >>> >>> I'm sure those with sufficient experience will eventually point them out :) >>> >>>> If supporting Charrua-core outside of mirage contaminates too much of the >>>> design, I can drop charrua-unix. This was in fact my first idea, but then I >>>> figure it would be interesting on the architectural level, since it provides >>>> a stronger separation between the core logic and the rest. >>> >>> FWIW, what I was trying to do with `ocaml-tftp` was to have the >>> library and then Mirage and (pure) Unix servers (and ultimately, >>> clients) in a single repo, under different directories, using Oasis to >>> generate the necessary build runes and OPAM to manage installation of >>> different generated ocamlfind components. (Though I just noticed I >>> need to split that down more.) Not entirely successful (or finished!) >>> so far, but it mostly seemed to work. (And meant I didn't have to >>> worry about too many repos.) >>> >>> -- _______________________________________________ MirageOS-devel 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 Oct 10 14:25:39 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 10 Oct 2015 14:25:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkv5X-0007JX-KF; Sat, 10 Oct 2015 14:25:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkv5W-0007JS-UM for mirageos-devel@lists.xenproject.org; Sat, 10 Oct 2015 14:25:31 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 77/E9-28221-ADF19165; Sat, 10 Oct 2015 14:25:30 +0000 X-Env-Sender: drupyog+caml@zoho.com X-Msg-Ref: server-11.tower-27.messagelabs.com!1444487126!51290360!1 X-Originating-IP: [74.201.84.153] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11546 invoked from network); 10 Oct 2015 14:25:28 -0000 Received: from sender153-mail.zoho.com (HELO sender153-mail.zoho.com) (74.201.84.153) by server-11.tower-27.messagelabs.com with AES128-SHA encrypted SMTP; 10 Oct 2015 14:25:28 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=subject:to:references:from:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=olfFGSC9oiiqJI3RSH11YnCTYhUR9CNDswl7nwBnSJ6M/Ar7HmQM7+3e1vU6xH53HVMY7hfKxXtg FF0oxkAK2BmGGO4FiEnw5L9jO83c1ZpRDBgYrHQ1wXE3PXUixCuZ Received: from [192.168.1.8] (did75-8-82-228-42-129.fbx.proxad.net [82.228.42.129]) by mx.zohomail.com with SMTPS id 1444487125330114.44047763639333; Sat, 10 Oct 2015 07:25:25 -0700 (PDT) To: mirageos-devel@lists.xenproject.org References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> From: Drup Message-ID: <56191FA0.7090600@zoho.com> Date: Sat, 10 Oct 2015 16:24:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Length: 8138 Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.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: quoted-printable Content-Type: text/plain; charset="windows-1252"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org If you need to define this Make functor inside unikernel.ml for the = simplest example you have, it should be in your library directly. = Regardless of other needs (integration with the other mirage libraries): 1. Make *one* functor that takes simple arguments (apparently, CLOCK, IP = and NETWORK, in your case, I think). 2. Wait for https://github.com/mirage/mirage/pull/441 to be merged 3. Add a combinator. 4. Profit ;) Le 10/10/2015 08:42, Christiano F. Haesbaert a =E9crit : > We have released charrua-core \o/: > https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ > > Many thanks to Richard, Anil, Hannes, David and all the people who > helped me through it. > > So now it should be possible to run your dhcp server in mirage by > cloning: https://github.com/haesbaert/charrua-mirage > This repository was made to be integrated into > mirage-skeleton/dhcp_server, but looking at it now, it's to > unhygienic, most of the code in mirage-skeleton has just a few lines > of hooks and so on, while charrua-mirage has too much logic in it. > > Should we integrate charrua-mirage into mirage-skeleton as it is ? > > My proposal so far is "yes", in the meantime I'll create a transition > library between mirage and charrua-core, so that the unikernel.ml can > be super stupid for the simple case, much like what it's done in > mirage-skeleton/conduit_server. > > Thoughts ? > > On 7 October 2015 at 14:56, Christiano F. Haesbaert > wrote: >> On 6 October 2015 at 12:05, Christiano F. Haesbaert >> wrote: >>> On 30 September 2015 at 18:50, Richard Mortier >>> wrote: >>>> [ Adding the list as discussion may be of more general interest. This >>>> concerns Christiano's DHCP server, Charrua, at >>>> https://github.com/haesbaert/charrua-core, >>>> https://github.com/haesbaert/charrua-mirage and >>>> https://github.com/haesbaert/charrua-unix. ] >>>> >>>> On 30 September 2015 at 13:39, Christiano F. Haesbaert >>>> wrote: >>>>> On Wednesday, 30 September 2015, Richard Mortier >>>>> wrote: >>>> ... >>>>>> Some random thoughts: >>>>>> >>>>>> + Is there a reason why you include clock.mli rather than depending = on >>>>>> mirage-types and using the definition from there? >>>>> Probably inexperience, that was for charrua-unix to be able to use th= e Ocaml >>>>> Clock module without having a functor, but I want to change that, did= nt find >>>>> a better way at the time. >>>> Given you're using functors elsewhere, why is it a problem to use a >>>> functor for Clock too? >>>> >>>>>> + I notice the INTERFACE type you define -- is this something that we >>>>>> should think about adding to mirage-types? >>>>> Don't think so. >>>>> This is an artifact of having the library working outside mirage >>>>> (charrua-unix), i basically need to tell the Server module how to do = IO and >>>>> what is an interface. Im not too happy with the way I wrote this, per= phaps >>>>> there is a better way ? >>>> This may bear some thinking about-- I wonder if the right thing to do >>>> is to just use the Mirage types, functors, libraries, etc, but (using >>>> @drup's shiny new Functoria-based Mirage DSL implementation) implement >>>> a "native Unix" backend so that cmdliner and other things can be used >>>> as-is. That way you can leverage the module types and libraries all >>>> the way down, but aren't tied to having the entry point look like a >>>> unikernel (hence can pass params etc as you would normally). >>>> >>>> All-- thoughts? >>>> >>>>>> + Could you pull out Dhcp_structs into a separate ocamlfind library = (i >>>>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (= eg >>>>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>>>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>>>>> I can try and put a PR together for this if you prefer... >>>>> Sure let's do it, but by PR you mean ? >>>> Pull Request :) >>>> >>> So I gave a stab at this, but it seemed pointless without the cenum >>> conversion, the only thing left would be a cstruct Dhcp. >>> I had a look on your tftp library, and it seems all the parsing and >>> such is in tftp.wire itself, while mine is in dhcp.ml, I only use a >>> Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct >>> definitions play nice with merlin. >>> Should we keep both ? I like the idea of a Dhcp module, and I think >>> that is more important to be a separate library than the Dhcp_wire, or >>> maybe both should be separated ? >>> I'm starting the cenum conversion and that might shed some light on >>> how to proceed. >>> >> So I think I have addressed all the points now. >> * Fixed the clock.mli inclusion. >> * Converted relevant types to cstruct. >> * Split into charrua-core.server and charrua-core.wire as suggested. >> >> Then on the next release I can concentrate on Alistair irmin lease >> storage and some regression tests. >> I still have to write and document a dhcp_wire.mli. >> >> If you could have a look just to make sure I got it right, would be awes= ome :D. >> >> >>>>>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>>>>> construct for declaring the codepoints etc? (Wondering whether >>>>>> something that replaces `cstruct ... { }` could/should be replaced >>>>>> with something that enables`with cstruct` a la `with sexp`.) >>>>> i didn't know about cenum, that will make things easier, I will work = on that >>>>> thus week. >>>> Cool. In general I think we have an inclination now to remove camlp4 >>>> syntax extensions where possible -- I don't know if anyone has looked >>>> at replacing cstruct.syntax though (which I would guess is the most >>>> commonly used now we don't generally use lwt.syntax). Anyone? >>>> >>>>>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>>>>> there a logging framework ready for use/Is dog the place to start for >>>>>> one? (I'll push Tftp over onto it as well if so.) >>>>> That was also to be able to use charrua-core outside of mirage. >>>> I understood that Dog depended on Irmin rather than Mirage, but I >>>> might be wrong. (@samoht?) >>>> >>>>>> + Alistair had started adding (possibly got to some kind of >>>>>> completion) Irmin support for the state in his version (based direct= ly >>>>>> off mirage-tcpip -- >>>>>> >>>>>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d0= 8397033b8c4f830a519db5a0) >>>>>> -- would be great to look at adding/merging this somehow. >>>>> I agree, i can work on merging his code, I would do it for 0.2 though. >>>> Fair enough :) >>>> >>>>> Bear in mind my ocaml-foo may not be on paar, you should see other na= ive >>>>> mistakes and/or uncommon idioms. >>>> I'm sure those with sufficient experience will eventually point them o= ut :) >>>> >>>>> If supporting Charrua-core outside of mirage contaminates too much of= the >>>>> design, I can drop charrua-unix. This was in fact my first idea, but = then I >>>>> figure it would be interesting on the architectural level, since it p= rovides >>>>> a stronger separation between the core logic and the rest. >>>> FWIW, what I was trying to do with `ocaml-tftp` was to have the >>>> library and then Mirage and (pure) Unix servers (and ultimately, >>>> clients) in a single repo, under different directories, using Oasis to >>>> generate the necessary build runes and OPAM to manage installation of >>>> different generated ocamlfind components. (Though I just noticed I >>>> need to split that down more.) Not entirely successful (or finished!) >>>> so far, but it mostly seemed to work. (And meant I didn't have to >>>> worry about too many repos.) >>>> >>>> -- > _______________________________________________ > 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 Oct 10 14:25:39 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 10 Oct 2015 14:25:39 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkv5X-0007JX-KF; Sat, 10 Oct 2015 14:25:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zkv5W-0007JS-UM for mirageos-devel@lists.xenproject.org; Sat, 10 Oct 2015 14:25:31 +0000 Received: from [193.109.254.147] by server-7.bemta-14.messagelabs.com id 77/E9-28221-ADF19165; Sat, 10 Oct 2015 14:25:30 +0000 X-Env-Sender: drupyog+caml@zoho.com X-Msg-Ref: server-11.tower-27.messagelabs.com!1444487126!51290360!1 X-Originating-IP: [74.201.84.153] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11546 invoked from network); 10 Oct 2015 14:25:28 -0000 Received: from sender153-mail.zoho.com (HELO sender153-mail.zoho.com) (74.201.84.153) by server-11.tower-27.messagelabs.com with AES128-SHA encrypted SMTP; 10 Oct 2015 14:25:28 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=subject:to:references:from:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=olfFGSC9oiiqJI3RSH11YnCTYhUR9CNDswl7nwBnSJ6M/Ar7HmQM7+3e1vU6xH53HVMY7hfKxXtg FF0oxkAK2BmGGO4FiEnw5L9jO83c1ZpRDBgYrHQ1wXE3PXUixCuZ Received: from [192.168.1.8] (did75-8-82-228-42-129.fbx.proxad.net [82.228.42.129]) by mx.zohomail.com with SMTPS id 1444487125330114.44047763639333; Sat, 10 Oct 2015 07:25:25 -0700 (PDT) To: mirageos-devel@lists.xenproject.org References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> From: Drup Message-ID: <56191FA0.7090600@zoho.com> Date: Sat, 10 Oct 2015 16:24:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Length: 8138 Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.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: quoted-printable Content-Type: text/plain; charset="windows-1252"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org If you need to define this Make functor inside unikernel.ml for the = simplest example you have, it should be in your library directly. = Regardless of other needs (integration with the other mirage libraries): 1. Make *one* functor that takes simple arguments (apparently, CLOCK, IP = and NETWORK, in your case, I think). 2. Wait for https://github.com/mirage/mirage/pull/441 to be merged 3. Add a combinator. 4. Profit ;) Le 10/10/2015 08:42, Christiano F. Haesbaert a =E9crit : > We have released charrua-core \o/: > https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ > > Many thanks to Richard, Anil, Hannes, David and all the people who > helped me through it. > > So now it should be possible to run your dhcp server in mirage by > cloning: https://github.com/haesbaert/charrua-mirage > This repository was made to be integrated into > mirage-skeleton/dhcp_server, but looking at it now, it's to > unhygienic, most of the code in mirage-skeleton has just a few lines > of hooks and so on, while charrua-mirage has too much logic in it. > > Should we integrate charrua-mirage into mirage-skeleton as it is ? > > My proposal so far is "yes", in the meantime I'll create a transition > library between mirage and charrua-core, so that the unikernel.ml can > be super stupid for the simple case, much like what it's done in > mirage-skeleton/conduit_server. > > Thoughts ? > > On 7 October 2015 at 14:56, Christiano F. Haesbaert > wrote: >> On 6 October 2015 at 12:05, Christiano F. Haesbaert >> wrote: >>> On 30 September 2015 at 18:50, Richard Mortier >>> wrote: >>>> [ Adding the list as discussion may be of more general interest. This >>>> concerns Christiano's DHCP server, Charrua, at >>>> https://github.com/haesbaert/charrua-core, >>>> https://github.com/haesbaert/charrua-mirage and >>>> https://github.com/haesbaert/charrua-unix. ] >>>> >>>> On 30 September 2015 at 13:39, Christiano F. Haesbaert >>>> wrote: >>>>> On Wednesday, 30 September 2015, Richard Mortier >>>>> wrote: >>>> ... >>>>>> Some random thoughts: >>>>>> >>>>>> + Is there a reason why you include clock.mli rather than depending = on >>>>>> mirage-types and using the definition from there? >>>>> Probably inexperience, that was for charrua-unix to be able to use th= e Ocaml >>>>> Clock module without having a functor, but I want to change that, did= nt find >>>>> a better way at the time. >>>> Given you're using functors elsewhere, why is it a problem to use a >>>> functor for Clock too? >>>> >>>>>> + I notice the INTERFACE type you define -- is this something that we >>>>>> should think about adding to mirage-types? >>>>> Don't think so. >>>>> This is an artifact of having the library working outside mirage >>>>> (charrua-unix), i basically need to tell the Server module how to do = IO and >>>>> what is an interface. Im not too happy with the way I wrote this, per= phaps >>>>> there is a better way ? >>>> This may bear some thinking about-- I wonder if the right thing to do >>>> is to just use the Mirage types, functors, libraries, etc, but (using >>>> @drup's shiny new Functoria-based Mirage DSL implementation) implement >>>> a "native Unix" backend so that cmdliner and other things can be used >>>> as-is. That way you can leverage the module types and libraries all >>>> the way down, but aren't tied to having the entry point look like a >>>> unikernel (hence can pass params etc as you would normally). >>>> >>>> All-- thoughts? >>>> >>>>>> + Could you pull out Dhcp_structs into a separate ocamlfind library = (i >>>>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (= eg >>>>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>>>> tcpip as well so that you don't need to include "cstruct udp" et al.) >>>>>> I can try and put a PR together for this if you prefer... >>>>> Sure let's do it, but by PR you mean ? >>>> Pull Request :) >>>> >>> So I gave a stab at this, but it seemed pointless without the cenum >>> conversion, the only thing left would be a cstruct Dhcp. >>> I had a look on your tftp library, and it seems all the parsing and >>> such is in tftp.wire itself, while mine is in dhcp.ml, I only use a >>> Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct >>> definitions play nice with merlin. >>> Should we keep both ? I like the idea of a Dhcp module, and I think >>> that is more important to be a separate library than the Dhcp_wire, or >>> maybe both should be separated ? >>> I'm starting the cenum conversion and that might shed some light on >>> how to proceed. >>> >> So I think I have addressed all the points now. >> * Fixed the clock.mli inclusion. >> * Converted relevant types to cstruct. >> * Split into charrua-core.server and charrua-core.wire as suggested. >> >> Then on the next release I can concentrate on Alistair irmin lease >> storage and some regression tests. >> I still have to write and document a dhcp_wire.mli. >> >> If you could have a look just to make sure I got it right, would be awes= ome :D. >> >> >>>>>> + Curiosity: Was there a reason to not use the Cstruct `cenum` >>>>>> construct for declaring the codepoints etc? (Wondering whether >>>>>> something that replaces `cstruct ... { }` could/should be replaced >>>>>> with something that enables`with cstruct` a la `with sexp`.) >>>>> i didn't know about cenum, that will make things easier, I will work = on that >>>>> thus week. >>>> Cool. In general I think we have an inclination now to remove camlp4 >>>> syntax extensions where possible -- I don't know if anyone has looked >>>> at replacing cstruct.syntax though (which I would guess is the most >>>> commonly used now we don't generally use lwt.syntax). Anyone? >>>> >>>>>> + Dhcp_logger -- Anil, what's the status of dog at the moment? Is >>>>>> there a logging framework ready for use/Is dog the place to start for >>>>>> one? (I'll push Tftp over onto it as well if so.) >>>>> That was also to be able to use charrua-core outside of mirage. >>>> I understood that Dog depended on Irmin rather than Mirage, but I >>>> might be wrong. (@samoht?) >>>> >>>>>> + Alistair had started adding (possibly got to some kind of >>>>>> completion) Irmin support for the state in his version (based direct= ly >>>>>> off mirage-tcpip -- >>>>>> >>>>>> https://github.com/alistairfisher/irmin-dhcp/commit/fb56e771613333d0= 8397033b8c4f830a519db5a0) >>>>>> -- would be great to look at adding/merging this somehow. >>>>> I agree, i can work on merging his code, I would do it for 0.2 though. >>>> Fair enough :) >>>> >>>>> Bear in mind my ocaml-foo may not be on paar, you should see other na= ive >>>>> mistakes and/or uncommon idioms. >>>> I'm sure those with sufficient experience will eventually point them o= ut :) >>>> >>>>> If supporting Charrua-core outside of mirage contaminates too much of= the >>>>> design, I can drop charrua-unix. This was in fact my first idea, but = then I >>>>> figure it would be interesting on the architectural level, since it p= rovides >>>>> a stronger separation between the core logic and the rest. >>>> FWIW, what I was trying to do with `ocaml-tftp` was to have the >>>> library and then Mirage and (pure) Unix servers (and ultimately, >>>> clients) in a single repo, under different directories, using Oasis to >>>> generate the necessary build runes and OPAM to manage installation of >>>> different generated ocamlfind components. (Though I just noticed I >>>> need to split that down more.) Not entirely successful (or finished!) >>>> so far, but it mostly seemed to work. (And meant I didn't have to >>>> worry about too many repos.) >>>> >>>> -- > _______________________________________________ > 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 Oct 10 15:57:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 10 Oct 2015 15:57:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkwWA-0004NR-69; Sat, 10 Oct 2015 15:57:06 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkwW9-0004NM-3t for mirageos-devel@lists.xenproject.org; Sat, 10 Oct 2015 15:57:05 +0000 Received: from [193.109.254.147] by server-9.bemta-14.messagelabs.com id 6F/B0-26043-05539165; Sat, 10 Oct 2015 15:57:04 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1444492622!18520428!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29518 invoked from network); 10 Oct 2015 15:57:03 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Oct 2015 15:57:03 -0000 Received: from [192.168.0.11] (cpc30-cmbg15-2-0-cust247.5-4.cable.virginm.net [86.4.51.248]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id D835929F8 for ; Sat, 10 Oct 2015 17:57:00 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <56193532.4030301@mehnert.org> Date: Sat, 10 Oct 2015 16:56:34 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4549560541717128213==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============4549560541717128213== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable hey, On 10/10/2015 07:42, Christiano F. Haesbaert wrote: > We have released charrua-core \o/: > https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ great! :) I do have some questions, though: - is there a way to programmatically create a configuration, rather than providing a dhcpd.conf? would be great to be able to construct such a config in config.ml (or use magic to derive one from a given interface configuration) :) - what is the purpose of having config abstracted over an INTERFACE? I'm still not sure about the design: to separate the server logic from the side effecting computations and the store (which would allow testing more easily), I'd a) make a constructor for a server: val dhcp_ctx : config -> context b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct.t option * action list)` (which takes a (potential packet), and possibly produces a reply for that, and maybe a list of actions (log events, timers, ...) c) I'd abstract over the store by requiring three functions, `val get : Macaddr.t -> Ipaddr.V4.t option` and `val add : Macaddr.t -> Ipaddr.V4.t -> unit`, `val remove : Macaddr.t -> unit` in the server configuration (or sth similar, maybe using the Lease.t record?) -- thus users (tests!) can provide a Hashtbl, an Irmin backend, a Set, or just ignore them. (this is similar to how we implemented session resumption https://github.com/mirleft/ocaml-tls/pull/283) In my opinion, the core logic should be independent of lwt (similar to TLS and OTR). The core should also be independent of a concrete interface (I might want to run this dhcp server on a vlan trunk as ip-helper, thus the environment should be responsible to add the ethernet header).. of course it needs certain configuration information, which I'd pass in directly. Since we have a dhcp server now, and also a dns server, it'd be nice to have an example unikernel which provides dhcp leases, and registers the client identifiers under some domain name (sth I hacked up several times years ago, using e.g. sauron http://sauron.jyu.fi/ or buddha https://github.com/dylan-lang/http/tree/master/examples/buddha). I started to write up some lessons learned from developing protocol implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 (feedback highly welcome, most likely I'm missing things). sorry for the long mail and thanks for contributing a dhcp server! :), hannes --r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWGTU2AAoJELyJZYjffCjuLMsP/A+F3DTihEkPsRqbkMIXWWDR tO1Deyfu+GIOMLQrtPJeCE4GGEqyO7H8iKXrHYsKgXVLsrO+FcTTADvJV6Kzt2+h RILK92aLn81aIWYKTa4DadqXQ03ecXPIPpsHA5/ZkX1Vw/hArA0WLPN3BRdd61f1 8qbeoy6m3RcJdiHyaXUUB0OksY1E0mX189u4wGGDiwP30lp4uEyxR7SBX5SLzmX6 8hbeK2GCT+7DuSsu03FW5PAyWrwYtfCP0aUuf+cRkrLyeGP+vVGFsXNsmb/9OlTd 6bB2YtVDmcynr5brZ00axQg16hdSSQRiG31n5Vrmb/tkLyGTQY7OyWRSVDsshwGy s+0/h6GOb6EA/QVqRreTdLMQnHL66QvGt2/rHbmLiLe0EcIA2tOPSiBqROKunyMR e2fv9duzwUqGMCxBDY7Fo9PDeazT5hvqJvl6WHBdalxPtah2H/rZCY2sC4Lg0vRr pZMbv9vYXuMMnLxWehVfzANafbPr6EI3JA6LNK/zUhjNP3Vu01p5uSrLoolwXvCz 9ZsIdWtdZm7U900dvQ4RJEcWQilZlDmqaLv/bsj7iNuxeNNbRdMRLgVy0fp49bfw xuOjR7Ai49JfP4ayoa6RygPSRVeropzmU2Txmk11G0vLEtMfCWyFt/rpuVr9GGEm dZ8/gLz3OyGaZCbCoWMt =JGVl -----END PGP SIGNATURE----- --r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1-- --===============4549560541717128213== 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 --===============4549560541717128213==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 10 15:57:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 10 Oct 2015 15:57:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkwWA-0004NR-69; Sat, 10 Oct 2015 15:57:06 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZkwW9-0004NM-3t for mirageos-devel@lists.xenproject.org; Sat, 10 Oct 2015 15:57:05 +0000 Received: from [193.109.254.147] by server-9.bemta-14.messagelabs.com id 6F/B0-26043-05539165; Sat, 10 Oct 2015 15:57:04 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1444492622!18520428!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29518 invoked from network); 10 Oct 2015 15:57:03 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 10 Oct 2015 15:57:03 -0000 Received: from [192.168.0.11] (cpc30-cmbg15-2-0-cust247.5-4.cable.virginm.net [86.4.51.248]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id D835929F8 for ; Sat, 10 Oct 2015 17:57:00 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <56193532.4030301@mehnert.org> Date: Sat, 10 Oct 2015 16:56:34 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4549560541717128213==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============4549560541717128213== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable hey, On 10/10/2015 07:42, Christiano F. Haesbaert wrote: > We have released charrua-core \o/: > https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ great! :) I do have some questions, though: - is there a way to programmatically create a configuration, rather than providing a dhcpd.conf? would be great to be able to construct such a config in config.ml (or use magic to derive one from a given interface configuration) :) - what is the purpose of having config abstracted over an INTERFACE? I'm still not sure about the design: to separate the server logic from the side effecting computations and the store (which would allow testing more easily), I'd a) make a constructor for a server: val dhcp_ctx : config -> context b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct.t option * action list)` (which takes a (potential packet), and possibly produces a reply for that, and maybe a list of actions (log events, timers, ...) c) I'd abstract over the store by requiring three functions, `val get : Macaddr.t -> Ipaddr.V4.t option` and `val add : Macaddr.t -> Ipaddr.V4.t -> unit`, `val remove : Macaddr.t -> unit` in the server configuration (or sth similar, maybe using the Lease.t record?) -- thus users (tests!) can provide a Hashtbl, an Irmin backend, a Set, or just ignore them. (this is similar to how we implemented session resumption https://github.com/mirleft/ocaml-tls/pull/283) In my opinion, the core logic should be independent of lwt (similar to TLS and OTR). The core should also be independent of a concrete interface (I might want to run this dhcp server on a vlan trunk as ip-helper, thus the environment should be responsible to add the ethernet header).. of course it needs certain configuration information, which I'd pass in directly. Since we have a dhcp server now, and also a dns server, it'd be nice to have an example unikernel which provides dhcp leases, and registers the client identifiers under some domain name (sth I hacked up several times years ago, using e.g. sauron http://sauron.jyu.fi/ or buddha https://github.com/dylan-lang/http/tree/master/examples/buddha). I started to write up some lessons learned from developing protocol implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 (feedback highly welcome, most likely I'm missing things). sorry for the long mail and thanks for contributing a dhcp server! :), hannes --r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWGTU2AAoJELyJZYjffCjuLMsP/A+F3DTihEkPsRqbkMIXWWDR tO1Deyfu+GIOMLQrtPJeCE4GGEqyO7H8iKXrHYsKgXVLsrO+FcTTADvJV6Kzt2+h RILK92aLn81aIWYKTa4DadqXQ03ecXPIPpsHA5/ZkX1Vw/hArA0WLPN3BRdd61f1 8qbeoy6m3RcJdiHyaXUUB0OksY1E0mX189u4wGGDiwP30lp4uEyxR7SBX5SLzmX6 8hbeK2GCT+7DuSsu03FW5PAyWrwYtfCP0aUuf+cRkrLyeGP+vVGFsXNsmb/9OlTd 6bB2YtVDmcynr5brZ00axQg16hdSSQRiG31n5Vrmb/tkLyGTQY7OyWRSVDsshwGy s+0/h6GOb6EA/QVqRreTdLMQnHL66QvGt2/rHbmLiLe0EcIA2tOPSiBqROKunyMR e2fv9duzwUqGMCxBDY7Fo9PDeazT5hvqJvl6WHBdalxPtah2H/rZCY2sC4Lg0vRr pZMbv9vYXuMMnLxWehVfzANafbPr6EI3JA6LNK/zUhjNP3Vu01p5uSrLoolwXvCz 9ZsIdWtdZm7U900dvQ4RJEcWQilZlDmqaLv/bsj7iNuxeNNbRdMRLgVy0fp49bfw xuOjR7Ai49JfP4ayoa6RygPSRVeropzmU2Txmk11G0vLEtMfCWyFt/rpuVr9GGEm dZ8/gLz3OyGaZCbCoWMt =JGVl -----END PGP SIGNATURE----- --r9lFvfhJ7hKLq74aAbaAuXSsNVQJjnIB1-- --===============4549560541717128213== 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 --===============4549560541717128213==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 08:02:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 08:02:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlY48-0002bL-8n; Mon, 12 Oct 2015 08:02:40 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlY46-0002bG-Np for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 08:02:38 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id 4A/30-18886-E196B165; Mon, 12 Oct 2015 08:02:38 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-27.messagelabs.com!1444636947!57599386!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.7 required=7.0 tests=BODY_RANDOM_LONG, ML_RADAR_SPEW_LINKS_8,RCVD_ILLEGAL_IP,spamassassin: ,async_handler: YXN5bmNfZGVsYXk6IDAgKHRpbWVvdXQp\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 21289 invoked from network); 12 Oct 2015 08:02:27 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 12 Oct 2015 08:02:27 -0000 Received: from [192.168.1.69] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id f6c31594 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO for ; Mon, 12 Oct 2015 09:02:25 +0100 (BST) From: Anil Madhavapeddy Date: Mon, 12 Oct 2015 09:02:24 +0100 References: To: mirageos-devel Message-Id: Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) X-Mailer: Apple Mail (2.3094) Subject: [MirageOS-devel] Fwd: [Caml-list] Boot the OCaml system on a bare raspberry pi X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 VGhpcyBpcyBhbHNvIG9mIGludGVyZXN0IHRvIG1pcmFnZW9zLWRldmVsISAgTm90ZSB0aGUgZXhp c3RlbmNlIG9mIGEgY3VzdG9tIGxpYmMgLS0gYXMgdGhlIFJ1bXAgbGliYy9hcm0gbGF5ZXIgbWF0 dXJlcywgd2Ugc2hvdWxkIHNlZSB0aGUgbmVlZCBmb3IgdGhpcyBzb3J0IG9mIGdsdWUgdG8gZ3Jh ZHVhbGx5IHJlZHVjZS4KClN1Y2Nlc3MvZmFpbHVyZSByZXBvcnRzIG9uIHRoZSB0cmVlIGJlbG93 IGFsc28gd2VsY29tZSBoZXJlIGlmIGFueW9uZSBoYXMgYSBjaGFuY2UgdG8gdHJ5IGl0IC0tIEkg b25seSBoYXZlIHJQaTEgaGFyZHdhcmUgYXQgdGhlIG1vbWVudC4KCkFuaWwKCj4gQmVnaW4gZm9y d2FyZGVkIG1lc3NhZ2U6Cj4gCj4gRnJvbTogRGFuaWVsIELDvG56bGkgPGRhbmllbC5idWVuemxp QGVycmF0aXF1ZS5jaD4KPiBEYXRlOiAxMCBPY3RvYmVyIDIwMTUgYXQgMTk6MTk6MDUgQlNUCj4g VG86IE9DYW1sIExpc3QgPGNhbWwtbGlzdEBpbnJpYS5mcj4KPiBTdWJqZWN0OiBbQ2FtbC1saXN0 XSBCb290IHRoZSBPQ2FtbCBzeXN0ZW0gb24gYSBiYXJlIHJhc3BiZXJyeSBwaQo+IAo+IEhlbGxv LCAgIAo+IAo+IEkgbWFkZSBhIHNldHVwIHRvIGJvb3QgYSByYXNwYmVycnkgcGkgMiBkaXJlY3Rs eSBpbnRvIHRoZSBPQ2FtbCBzeXN0ZW0uIFRoZSBmb2N1cyB3YXMgdG8gdXNlIHRoZSBtaW5pbWFs IGFtb3VudCBvZiBhc3NlbWJseSBhbmQgQyB0byBiZSBhYmxlIHRvIGNhbGwgYGNhbWxfc3RhcnR1 cGAgYW5kIGxldCB0aGUgcmVzdCB1cCB0byB5b3Ug4oCUIHRoZXJlJ3MgYW4gZXhhbXBsZSBScGkg bW9kdWxlIGZvciB0aGUgYm9yaW5nIGJpdHMgaWYgeW91IGFyZSBsYXp5LiBUaGUgb3ZlcmFsbCBi b290IGNvZGUgaXMgdmVyeSBzbWFsbCBmb3Igbm93IGJ1dCBzb21lIG1vcmUgbWF5IGJlIG5lZWRl ZCBpbiB0aGUgZnV0dXJlIHRvIGVuYWJsZSBvdGhlciBoYXJkd2FyZSBmZWF0dXJlczsgbW11LCBp bnRlcnJ1cHRzLCBtdWx0aWNvcmUgZXRjLiBvciB0aGluZ3MgSSBvdmVybG9vayDigJQgYWxsIHRo aXMgd2FzIGRvbmUgd2l0aCBhIGhpZ2ggZGVncmVlIG9mIG5hw692ZXR54oCmCj4gCj4gSSBob3Bl IHRoaXMgY2FuIG1ha2UgaXQgYW4gZWFzeSBhbmQgcmVwcm9kdWNpYmxlIHN0YXJ0aW5nIHBvaW50 IGZvciBvdGhlcnMgdG8gaGF2ZSBzb21lIGJhcmUgbWV0YWwgcHJvZ3JhbW1pbmcgZnVuIGluIHRo ZWlyIHByZWZlcnJlZCBzeXN0ZW0gbGFuZ3VhZ2UuIFRoaXMgaXMgYXZhaWxhYmxlIGhlcmU6ICAK PiAKPiAgaHR0cDovL2VycmF0aXF1ZS5jaC9zb2Z0d2FyZS9ycGktYm9vdC1vY2FtbAo+IAo+IEZv bGxvdyB0aGUgaW5zdHJ1Y3Rpb25zIGluIHRoZSBsaW5rZWQgUkVBRE1FLCB0aGV5IHNob3VsZCBs ZWFkIHlvdSB0byBidWlsZCBhIGtlcm5lbCBkaXNwbGF5aW5nIHRoZSBPQ2FtbCBsb2dvIG9uIHRo ZSBjb25uZWN0ZWQgZGlzcGxheSBhbmQgY29tbXVuaWNhdGluZyBib3JpbmcgZG90IHBvZXRyeSBv dmVyIHRoZSBzZXJpYWwgY29ubmVjdGlvbi4gIAo+IAo+IFRoZSBzZXR1cCBidWlsZHMgYSBiYXJl IEFSTXY3IE9DYW1sIGNyb3NzIGNvbXBpbGVyIGluc2lkZSBhbiBvcGFtIHN3aXRjaCBieSBmb2xs b3dpbmcgdGhlIHRyYWNrcyBvZiB0aGUgb3BhbS1hbmRyb2lkIHByb2plY3QgWzFdLiBOb3cgdG8g c2NhbGUgYW5kIGFuZCBtYWtlIGl0IGEgcGxlYXNhbnQgcHJvZ3JhbW1pbmcgZXhwZXJpZW5jZSB3 ZSAib25seSIgbmVlZCBtdWx0aWFyY2ggc3VwcG9ydCBpbiBvcGFtIHN3aXRjaGVzIGFuZCBmaXgg dGhlIHBhY2thZ2UncyBidWlsZCBzeXN0ZW1zIGFuZCBtZXJsaW4gdG8gdW5kZXJzdGFuZCB0aGVz ZSBlbnZpcm9ubWVudHMuCj4gCj4gVGhlIHByb2plY3QgYWxzbyBoYXMgYSBtaW5pbWFsIGxpYmMg d2l0aCBvbmx5IHdoYXQncyBuZWVkZWQgdG8gcnVuIHRoZSBPQ2FtbCBzeXN0ZW0gb24gYSBiYXJl IG1hY2hpbmUuIEl0IHdpbGwgYmUgZXZlbnR1YWxseSBmb3JrZWQgYXdheSBhbmQgZGlzdHJpYnV0 ZWQgYXMgYSBzZXBhcmF0ZSBwYWNrYWdlIChuLmIuIGl0IHNlZW1zIHRvIGN1cnJlbnRseSBoYXZl IGEgZmV3IHF1aXJrcyB3aXRoIHRoZSBzbnByaW50ZiBpbXBsZW1lbnRhdGlvbiBJIHN0b2xlIGZy b20gc29tZXdoZXJlIGVsc2UpLgo+IAo+IEJlc3QsCj4gCj4gRGFuaWVsCj4gCj4gUC5TLiBQcmlv ciBhcnQ6IGh0dHBzOi8vZ2l0aHViLmNvbS9tcnZuL29jYW1sLXJwaQo+IAo+IFsxXSBodHRwczov L2dpdGh1Yi5jb20vd2hpdGVxdWFyay9vcGFtLWFuZHJvaWQKPiAKPiAKPiAKPiAKPiAKPiAKPiAK PiAKPiAKPiAtLSAKPiBDYW1sLWxpc3QgbWFpbGluZyBsaXN0LiAgU3Vic2NyaXB0aW9uIG1hbmFn ZW1lbnQgYW5kIGFyY2hpdmVzOgo+IGh0dHBzOi8vc3ltcGEuaW5yaWEuZnIvc3ltcGEvYXJjL2Nh bWwtbGlzdAo+IEJlZ2lubmVyJ3MgbGlzdDogaHR0cDovL2dyb3Vwcy55YWhvby5jb20vZ3JvdXAv b2NhbWxfYmVnaW5uZXJzCj4gQnVnIHJlcG9ydHM6IGh0dHA6Ly9jYW1sLmlucmlhLmZyL2Jpbi9j YW1sLWJ1Z3MKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0 aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 08:02:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 08:02:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlY48-0002bL-8n; 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Mon, 12 Oct 2015 09:02:25 +0100 (BST) From: Anil Madhavapeddy Date: Mon, 12 Oct 2015 09:02:24 +0100 References: To: mirageos-devel Message-Id: Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) X-Mailer: Apple Mail (2.3094) Subject: [MirageOS-devel] Fwd: [Caml-list] Boot the OCaml system on a bare raspberry pi X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 VGhpcyBpcyBhbHNvIG9mIGludGVyZXN0IHRvIG1pcmFnZW9zLWRldmVsISAgTm90ZSB0aGUgZXhp c3RlbmNlIG9mIGEgY3VzdG9tIGxpYmMgLS0gYXMgdGhlIFJ1bXAgbGliYy9hcm0gbGF5ZXIgbWF0 dXJlcywgd2Ugc2hvdWxkIHNlZSB0aGUgbmVlZCBmb3IgdGhpcyBzb3J0IG9mIGdsdWUgdG8gZ3Jh ZHVhbGx5IHJlZHVjZS4KClN1Y2Nlc3MvZmFpbHVyZSByZXBvcnRzIG9uIHRoZSB0cmVlIGJlbG93 IGFsc28gd2VsY29tZSBoZXJlIGlmIGFueW9uZSBoYXMgYSBjaGFuY2UgdG8gdHJ5IGl0IC0tIEkg b25seSBoYXZlIHJQaTEgaGFyZHdhcmUgYXQgdGhlIG1vbWVudC4KCkFuaWwKCj4gQmVnaW4gZm9y d2FyZGVkIG1lc3NhZ2U6Cj4gCj4gRnJvbTogRGFuaWVsIELDvG56bGkgPGRhbmllbC5idWVuemxp QGVycmF0aXF1ZS5jaD4KPiBEYXRlOiAxMCBPY3RvYmVyIDIwMTUgYXQgMTk6MTk6MDUgQlNUCj4g VG86IE9DYW1sIExpc3QgPGNhbWwtbGlzdEBpbnJpYS5mcj4KPiBTdWJqZWN0OiBbQ2FtbC1saXN0 XSBCb290IHRoZSBPQ2FtbCBzeXN0ZW0gb24gYSBiYXJlIHJhc3BiZXJyeSBwaQo+IAo+IEhlbGxv LCAgIAo+IAo+IEkgbWFkZSBhIHNldHVwIHRvIGJvb3QgYSByYXNwYmVycnkgcGkgMiBkaXJlY3Rs eSBpbnRvIHRoZSBPQ2FtbCBzeXN0ZW0uIFRoZSBmb2N1cyB3YXMgdG8gdXNlIHRoZSBtaW5pbWFs IGFtb3VudCBvZiBhc3NlbWJseSBhbmQgQyB0byBiZSBhYmxlIHRvIGNhbGwgYGNhbWxfc3RhcnR1 cGAgYW5kIGxldCB0aGUgcmVzdCB1cCB0byB5b3Ug4oCUIHRoZXJlJ3MgYW4gZXhhbXBsZSBScGkg bW9kdWxlIGZvciB0aGUgYm9yaW5nIGJpdHMgaWYgeW91IGFyZSBsYXp5LiBUaGUgb3ZlcmFsbCBi b290IGNvZGUgaXMgdmVyeSBzbWFsbCBmb3Igbm93IGJ1dCBzb21lIG1vcmUgbWF5IGJlIG5lZWRl ZCBpbiB0aGUgZnV0dXJlIHRvIGVuYWJsZSBvdGhlciBoYXJkd2FyZSBmZWF0dXJlczsgbW11LCBp bnRlcnJ1cHRzLCBtdWx0aWNvcmUgZXRjLiBvciB0aGluZ3MgSSBvdmVybG9vayDigJQgYWxsIHRo aXMgd2FzIGRvbmUgd2l0aCBhIGhpZ2ggZGVncmVlIG9mIG5hw692ZXR54oCmCj4gCj4gSSBob3Bl IHRoaXMgY2FuIG1ha2UgaXQgYW4gZWFzeSBhbmQgcmVwcm9kdWNpYmxlIHN0YXJ0aW5nIHBvaW50 IGZvciBvdGhlcnMgdG8gaGF2ZSBzb21lIGJhcmUgbWV0YWwgcHJvZ3JhbW1pbmcgZnVuIGluIHRo ZWlyIHByZWZlcnJlZCBzeXN0ZW0gbGFuZ3VhZ2UuIFRoaXMgaXMgYXZhaWxhYmxlIGhlcmU6ICAK PiAKPiAgaHR0cDovL2VycmF0aXF1ZS5jaC9zb2Z0d2FyZS9ycGktYm9vdC1vY2FtbAo+IAo+IEZv bGxvdyB0aGUgaW5zdHJ1Y3Rpb25zIGluIHRoZSBsaW5rZWQgUkVBRE1FLCB0aGV5IHNob3VsZCBs ZWFkIHlvdSB0byBidWlsZCBhIGtlcm5lbCBkaXNwbGF5aW5nIHRoZSBPQ2FtbCBsb2dvIG9uIHRo ZSBjb25uZWN0ZWQgZGlzcGxheSBhbmQgY29tbXVuaWNhdGluZyBib3JpbmcgZG90IHBvZXRyeSBv dmVyIHRoZSBzZXJpYWwgY29ubmVjdGlvbi4gIAo+IAo+IFRoZSBzZXR1cCBidWlsZHMgYSBiYXJl IEFSTXY3IE9DYW1sIGNyb3NzIGNvbXBpbGVyIGluc2lkZSBhbiBvcGFtIHN3aXRjaCBieSBmb2xs b3dpbmcgdGhlIHRyYWNrcyBvZiB0aGUgb3BhbS1hbmRyb2lkIHByb2plY3QgWzFdLiBOb3cgdG8g c2NhbGUgYW5kIGFuZCBtYWtlIGl0IGEgcGxlYXNhbnQgcHJvZ3JhbW1pbmcgZXhwZXJpZW5jZSB3 ZSAib25seSIgbmVlZCBtdWx0aWFyY2ggc3VwcG9ydCBpbiBvcGFtIHN3aXRjaGVzIGFuZCBmaXgg dGhlIHBhY2thZ2UncyBidWlsZCBzeXN0ZW1zIGFuZCBtZXJsaW4gdG8gdW5kZXJzdGFuZCB0aGVz ZSBlbnZpcm9ubWVudHMuCj4gCj4gVGhlIHByb2plY3QgYWxzbyBoYXMgYSBtaW5pbWFsIGxpYmMg d2l0aCBvbmx5IHdoYXQncyBuZWVkZWQgdG8gcnVuIHRoZSBPQ2FtbCBzeXN0ZW0gb24gYSBiYXJl IG1hY2hpbmUuIEl0IHdpbGwgYmUgZXZlbnR1YWxseSBmb3JrZWQgYXdheSBhbmQgZGlzdHJpYnV0 ZWQgYXMgYSBzZXBhcmF0ZSBwYWNrYWdlIChuLmIuIGl0IHNlZW1zIHRvIGN1cnJlbnRseSBoYXZl IGEgZmV3IHF1aXJrcyB3aXRoIHRoZSBzbnByaW50ZiBpbXBsZW1lbnRhdGlvbiBJIHN0b2xlIGZy b20gc29tZXdoZXJlIGVsc2UpLgo+IAo+IEJlc3QsCj4gCj4gRGFuaWVsCj4gCj4gUC5TLiBQcmlv ciBhcnQ6IGh0dHBzOi8vZ2l0aHViLmNvbS9tcnZuL29jYW1sLXJwaQo+IAo+IFsxXSBodHRwczov L2dpdGh1Yi5jb20vd2hpdGVxdWFyay9vcGFtLWFuZHJvaWQKPiAKPiAKPiAKPiAKPiAKPiAKPiAK PiAKPiAKPiAtLSAKPiBDYW1sLWxpc3QgbWFpbGluZyBsaXN0LiAgU3Vic2NyaXB0aW9uIG1hbmFn ZW1lbnQgYW5kIGFyY2hpdmVzOgo+IGh0dHBzOi8vc3ltcGEuaW5yaWEuZnIvc3ltcGEvYXJjL2Nh bWwtbGlzdAo+IEJlZ2lubmVyJ3MgbGlzdDogaHR0cDovL2dyb3Vwcy55YWhvby5jb20vZ3JvdXAv b2NhbWxfYmVnaW5uZXJzCj4gQnVnIHJlcG9ydHM6IGh0dHA6Ly9jYW1sLmlucmlhLmZyL2Jpbi9j YW1sLWJ1Z3MKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0 aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 08:12:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 08:12:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlYDO-0003Wi-Bt; 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Mon, 12 Oct 2015 09:12:05 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 12 Oct 2015 09:12:04 +0100 Message-Id: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> To: Heikki Mahkonen X-Mailer: Apple Mail (2.3094) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6541387491323775010==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6541387491323775010== Content-Type: multipart/alternative; boundary="Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C" --Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Thanks -- is there a bug open for the ezjsonm constraint as well? The = older versions of Jitsu should all have upper bounds to prevent the = conflicting libraries from being selected. Anil > On 9 Oct 2015, at 21:31, Heikki Mahkonen = wrote: >=20 > FYI >=20 > ---------- Forwarded message ---------- > From: Heikki Mahkonen > > Date: Fri, Oct 9, 2015 at 12:58 PM > Subject: Re: [MirageOS-devel] Problem compiling Jitsu > To: Magnus Skjegstad > >=20 >=20 > Hi, >=20 > Thank you for the quick reply! I got it working now. I had to also pin = the ezjsonm to 0.4.1. >=20 > > opam pin add ezjsonm 0.4.1 >=20 > Thanks guys! >=20 > BR, >=20 > Heikki >=20 > On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad > wrote: > On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: >> Hi guys, >> Can anybody help with this? I have problem compiling mirage/jitsu on = Ubuntu. >> [...] >> # File "irmin_backend.ml ", line 39, = characters 65-88: >> # Error: Unbound type constructor Irmin.t >> # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error = 2 > =20 > This error is caused by a recent API change in Irmin 0.9.10 and will = be fixed in the next version of Jitsu. > =20 > As a temporary solution you can pin Irmin to version 0.9.9 with 'opam = pin add irmin 0.9.9'. You should then be able to install Jitsu with = 'opam install jitsu'. > =20 > I have submitted a PR to add a version constraint in opam [1], but it = may take some time before it is merged and propagated. > =20 > 1. https://github.com/ocaml/opam-repository/pull/4941 = > =20 > Magnus >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Thanks -- is there a bug open for the ezjsonm constraint as = well?  The older versions of Jitsu should all have upper bounds to = prevent the conflicting libraries from being selected.

Anil

On = 9 Oct 2015, at 21:31, Heikki Mahkonen <heikki.mahkonen@gmail.com> wrote:

FYI

---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com>
Date: = Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] = Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>


Hi,

Thank you for the quick reply! I got it working now. I = had to also pin the ezjsonm to 0.4.1.

> = opam pin add ezjsonm 0.4.1

Thanks guys!

BR,

Heikki

On Fri, Oct 9, 2015 at 10:52 AM, = Magnus Skjegstad <magnus@v0.no> wrote:
On Fri, 9 Oct 2015, at = 18:58, Heikki Mahkonen wrote:
Hi guys,
Can anybody help with this? I have problem compiling = mirage/jitsu on Ubuntu.
[...]
# File "irmin_backend.ml", line 39, characters = 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** = [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
This error is caused by a recent API change in Irmin = 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version = 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to = install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in = opam [1], but it may take some time before it is merged and = propagated.
 
1. https://github.com/ocaml/opam-repository/pull/4941
 
Magnus


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

= --Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C-- --===============6541387491323775010== 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 --===============6541387491323775010==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 08:12:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 08:12:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlYDO-0003Wi-Bt; Mon, 12 Oct 2015 08:12:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlYDN-0003Wc-3C for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 08:12:13 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id F8/8B-00475-C5B6B165; Mon, 12 Oct 2015 08:12:12 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-2.tower-27.messagelabs.com!1444637525!21625042!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_60_70,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7317 invoked from network); 12 Oct 2015 08:12:06 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-2.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 12 Oct 2015 08:12:06 -0000 Received: from [192.168.1.69] (cpc7-cmbg14-2-0-cust238.5-4.cable.virginm.net [86.30.244.239]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 78d24555 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 12 Oct 2015 09:12:05 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: Date: Mon, 12 Oct 2015 09:12:04 +0100 Message-Id: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> To: Heikki Mahkonen X-Mailer: Apple Mail (2.3094) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6541387491323775010==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6541387491323775010== Content-Type: multipart/alternative; boundary="Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C" --Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Thanks -- is there a bug open for the ezjsonm constraint as well? The = older versions of Jitsu should all have upper bounds to prevent the = conflicting libraries from being selected. Anil > On 9 Oct 2015, at 21:31, Heikki Mahkonen = wrote: >=20 > FYI >=20 > ---------- Forwarded message ---------- > From: Heikki Mahkonen > > Date: Fri, Oct 9, 2015 at 12:58 PM > Subject: Re: [MirageOS-devel] Problem compiling Jitsu > To: Magnus Skjegstad > >=20 >=20 > Hi, >=20 > Thank you for the quick reply! I got it working now. I had to also pin = the ezjsonm to 0.4.1. >=20 > > opam pin add ezjsonm 0.4.1 >=20 > Thanks guys! >=20 > BR, >=20 > Heikki >=20 > On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad > wrote: > On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: >> Hi guys, >> Can anybody help with this? I have problem compiling mirage/jitsu on = Ubuntu. >> [...] >> # File "irmin_backend.ml ", line 39, = characters 65-88: >> # Error: Unbound type constructor Irmin.t >> # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error = 2 > =20 > This error is caused by a recent API change in Irmin 0.9.10 and will = be fixed in the next version of Jitsu. > =20 > As a temporary solution you can pin Irmin to version 0.9.9 with 'opam = pin add irmin 0.9.9'. You should then be able to install Jitsu with = 'opam install jitsu'. > =20 > I have submitted a PR to add a version constraint in opam [1], but it = may take some time before it is merged and propagated. > =20 > 1. https://github.com/ocaml/opam-repository/pull/4941 = > =20 > Magnus >=20 >=20 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii Thanks -- is there a bug open for the ezjsonm constraint as = well?  The older versions of Jitsu should all have upper bounds to = prevent the conflicting libraries from being selected.

Anil

On = 9 Oct 2015, at 21:31, Heikki Mahkonen <heikki.mahkonen@gmail.com> wrote:

FYI

---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com>
Date: = Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] = Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>


Hi,

Thank you for the quick reply! I got it working now. I = had to also pin the ezjsonm to 0.4.1.

> = opam pin add ezjsonm 0.4.1

Thanks guys!

BR,

Heikki

On Fri, Oct 9, 2015 at 10:52 AM, = Magnus Skjegstad <magnus@v0.no> wrote:
On Fri, 9 Oct 2015, at = 18:58, Heikki Mahkonen wrote:
Hi guys,
Can anybody help with this? I have problem compiling = mirage/jitsu on Ubuntu.
[...]
# File "irmin_backend.ml", line 39, characters = 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** = [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
This error is caused by a recent API change in Irmin = 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version = 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to = install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in = opam [1], but it may take some time before it is merged and = propagated.
 
1. https://github.com/ocaml/opam-repository/pull/4941
 
Magnus


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

= --Apple-Mail=_CD25C886-72A3-4BCC-82FC-9D7226A32B3C-- --===============6541387491323775010== 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 --===============6541387491323775010==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 09:25:21 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 09:25:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZM0-0003HT-0m; Mon, 12 Oct 2015 09:25:12 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZLy-0003HO-2r for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 09:25:10 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 33/5F-31450-57C7B165; Mon, 12 Oct 2015 09:25:09 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-12.tower-206.messagelabs.com!1444641907!41592416!1 X-Originating-IP: [66.111.4.29] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjkgPT4gNjQ0MA==\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2453 invoked from network); 12 Oct 2015 09:25:07 -0000 Received: from out5-smtp.messagingengine.com (HELO out5-smtp.messagingengine.com) (66.111.4.29) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 12 Oct 2015 09:25:07 -0000 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id CAFCE20791 for ; Mon, 12 Oct 2015 05:25:06 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute1.internal (MEProxy); Mon, 12 Oct 2015 05:25:06 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=+UuGAXQIzMdNGrsuNwyASmcUOAA=; b=K3095f sUSNaHo753SSMReZeFBkw6a/smR6XMWpbG8d/OLtCgtI2mGtp15UAn2whlj/MnC2 gH7wplw1fSNH2w2nFW+w/JE7nHK8T9QnNGfo0o4POP5EHB6rgrgr0sGUrg3aHQJw bjZXt/R34r7Y/6SG0UJ5igqiYBkpBs53x7d3E= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=+UuGAXQIzMdNGrs uNwyASmcUOAA=; b=F0qo7v0tx5aSBV3TcblpJaXUv1L5ZRSDX5vU2QiH171zVRh H96S6e35PCE8ds4q0cHgoI5Y/C352ASvWtZpEoGH8sgxSG0ZLqTgUHAm5s5Kamwf RWWBSq2qU4YoVEWrRiWBjJYebFGxNeMp7SzIZPKdNV6tJ4Qk96sLIG8sk8z4= Received: by web6.nyi.internal (Postfix, from userid 99) id 9BDCC50354; Mon, 12 Oct 2015 05:25:06 -0400 (EDT) Message-Id: <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> X-Sasl-Enc: wlG4U2VgL2vrxEtHCwWGk5O1dVWrtkytjfBet1/md5Er 1444641906 From: Magnus Skjegstad To: Anil Madhavapeddy , Heikki Mahkonen MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-7cc03d5c In-Reply-To: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> Date: Mon, 12 Oct 2015 11:25:06 +0200 Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============1822428199433162756==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============1822428199433162756== Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary="_----------=_14446419064994602"; charset="utf-8" This is a multi-part message in MIME format. --_----------=_14446419064994602 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Jitsu doesn't use ezjsonm directly. It looks like the constraint is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been installed automatically when Irmin was pinned? (Could also be related to [2]) 1.https://github.com/ocaml/opam-repository/blob/master/packages/irmin/irmin= .0.9.9/opam 2.https://github.com/mirage/irmin/issues/317 -- Magnus =20 =20 On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote: > Thanks -- is there a bug open for the ezjsonm constraint as well? =C2=A0T= he older versions of Jitsu should all have upper bounds to prevent the conf= licting libraries from being selected. >=20=20 > Anil >=20=20 >> On 9 Oct 2015, at 21:31, Heikki Mahkonen wro= te: >>=20=20 >> FYI >>=20=20 >> ---------- Forwarded message ---------- >> From: *Heikki Mahkonen* >> Date: Fri, Oct 9, 2015 at 12:58 PM >> Subject: Re: [MirageOS-devel] Problem compiling Jitsu >> To: Magnus Skjegstad >>=20=20 >>=20=20 >> Hi, >> Thank you for the quick reply! I got it working now. I had to also pin t= he ezjsonm to 0.4.1. >>=20=20 >> > opam pin add ezjsonm 0.4.1 >>=20=20 >> Thanks guys! >> BR, >>=20=20 >> Heikki >>=20=20 >> On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad wrote: >>> __ >>>=20=20 >>> On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: >>>=20=20 >>>>=20=20 >>>> Hi guys, >>>> Can anybody help with this? I have problem compiling mirage/jitsu on U= buntu. >>>>=20=20 >>>> [...] >>>>=20=20 >>>> # File "irmin_backend.ml[1]", line 39, characters 65-88: >>>> # Error: Unbound type constructor Irmin.t >>>> # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 >>>>=20=20 >>>=20=20 >>> This error is caused by a recent API change in Irmin 0.9.10 and will be= fixed in the next version of Jitsu. >>>=20=20 >>> As a temporary solution you can pin Irmin to version 0.9.9 with 'opam p= in add irmin 0.9.9'. You should then be able to install Jitsu with 'opam in= stall jitsu'. >>>=20=20 >>> I have submitted a PR to add a version constraint in opam [1], but it m= ay take some time before it is merged and propagated. >>>=20=20 >>> 1.=C2=A0https://github.com/ocaml/opam-repository/pull/4941 >>>=20=20 >>>=20=20 >>> Magnus >>>=20=20 >>=20=20 >>=20=20 >> _______________________________________________ >> 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 Links: 1. http://irmin_backend.ml/ --_----------=_14446419064994602 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset="UTF-8"
Jitsu doesn't use ezjsonm directly. It looks like the constraint is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been installed automatically when Irmin was pinned?
 
(Could also be related to [2])
 
 
--
Magnus
 
 
On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote:
Thanks -- is there a bug open for the ezjsonm constraint as well?  The older versions of Jitsu should all have upper bounds to prevent the conflicting libraries from being selected.
 
Anil
 
On 9 Oct 2015, at 21:31, Heikki Mahkonen <heikki.mahkonen@gmail.com> wrote:
 
FYI
 
---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com>
Date: Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>
 
 
Hi,
Thank you for the quick reply! I got it working now. I had to also pin the ezjsonm to 0.4.1.
 
> opam pin add ezjsonm 0.4.1
 
Thanks guys!
BR,
 
Heikki
 
On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no> wrote:

 
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
 
 
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu.
 
[...]
 
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
 
This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated.
 
 
 
Magnus
 
 
 
_______________________________________________
MirageOS-devel mailing list
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel
_______________________________________________
MirageOS-devel mailing list
 
--_----------=_14446419064994602-- --===============1822428199433162756== 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 --===============1822428199433162756==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 09:25:21 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 09:25:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZM0-0003HT-0m; Mon, 12 Oct 2015 09:25:12 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZLy-0003HO-2r for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 09:25:10 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 33/5F-31450-57C7B165; Mon, 12 Oct 2015 09:25:09 +0000 X-Env-Sender: magnus@v0.no X-Msg-Ref: server-12.tower-206.messagelabs.com!1444641907!41592416!1 X-Originating-IP: [66.111.4.29] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogNjYuMTExLjQuMjkgPT4gNjQ0MA==\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 2453 invoked from network); 12 Oct 2015 09:25:07 -0000 Received: from out5-smtp.messagingengine.com (HELO out5-smtp.messagingengine.com) (66.111.4.29) by server-12.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 12 Oct 2015 09:25:07 -0000 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id CAFCE20791 for ; Mon, 12 Oct 2015 05:25:06 -0400 (EDT) Received: from web6 ([10.202.2.216]) by compute1.internal (MEProxy); Mon, 12 Oct 2015 05:25:06 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=v0.no; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-sasl-enc :x-sasl-enc; s=mesmtp; bh=+UuGAXQIzMdNGrsuNwyASmcUOAA=; b=K3095f sUSNaHo753SSMReZeFBkw6a/smR6XMWpbG8d/OLtCgtI2mGtp15UAn2whlj/MnC2 gH7wplw1fSNH2w2nFW+w/JE7nHK8T9QnNGfo0o4POP5EHB6rgrgr0sGUrg3aHQJw bjZXt/R34r7Y/6SG0UJ5igqiYBkpBs53x7d3E= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:in-reply-to:message-id:mime-version:references :subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=+UuGAXQIzMdNGrs uNwyASmcUOAA=; b=F0qo7v0tx5aSBV3TcblpJaXUv1L5ZRSDX5vU2QiH171zVRh H96S6e35PCE8ds4q0cHgoI5Y/C352ASvWtZpEoGH8sgxSG0ZLqTgUHAm5s5Kamwf RWWBSq2qU4YoVEWrRiWBjJYebFGxNeMp7SzIZPKdNV6tJ4Qk96sLIG8sk8z4= Received: by web6.nyi.internal (Postfix, from userid 99) id 9BDCC50354; Mon, 12 Oct 2015 05:25:06 -0400 (EDT) Message-Id: <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> X-Sasl-Enc: wlG4U2VgL2vrxEtHCwWGk5O1dVWrtkytjfBet1/md5Er 1444641906 From: Magnus Skjegstad To: Anil Madhavapeddy , Heikki Mahkonen MIME-Version: 1.0 X-Mailer: MessagingEngine.com Webmail Interface - ajax-7cc03d5c In-Reply-To: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> Date: Mon, 12 Oct 2015 11:25:06 +0200 Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============1822428199433162756==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is a multi-part message in MIME format. --===============1822428199433162756== Content-Transfer-Encoding: 7bit Content-Type: multipart/alternative; boundary="_----------=_14446419064994602"; charset="utf-8" This is a multi-part message in MIME format. --_----------=_14446419064994602 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Jitsu doesn't use ezjsonm directly. It looks like the constraint is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been installed automatically when Irmin was pinned? (Could also be related to [2]) 1.https://github.com/ocaml/opam-repository/blob/master/packages/irmin/irmin= .0.9.9/opam 2.https://github.com/mirage/irmin/issues/317 -- Magnus =20 =20 On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote: > Thanks -- is there a bug open for the ezjsonm constraint as well? =C2=A0T= he older versions of Jitsu should all have upper bounds to prevent the conf= licting libraries from being selected. >=20=20 > Anil >=20=20 >> On 9 Oct 2015, at 21:31, Heikki Mahkonen wro= te: >>=20=20 >> FYI >>=20=20 >> ---------- Forwarded message ---------- >> From: *Heikki Mahkonen* >> Date: Fri, Oct 9, 2015 at 12:58 PM >> Subject: Re: [MirageOS-devel] Problem compiling Jitsu >> To: Magnus Skjegstad >>=20=20 >>=20=20 >> Hi, >> Thank you for the quick reply! I got it working now. I had to also pin t= he ezjsonm to 0.4.1. >>=20=20 >> > opam pin add ezjsonm 0.4.1 >>=20=20 >> Thanks guys! >> BR, >>=20=20 >> Heikki >>=20=20 >> On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad wrote: >>> __ >>>=20=20 >>> On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: >>>=20=20 >>>>=20=20 >>>> Hi guys, >>>> Can anybody help with this? I have problem compiling mirage/jitsu on U= buntu. >>>>=20=20 >>>> [...] >>>>=20=20 >>>> # File "irmin_backend.ml[1]", line 39, characters 65-88: >>>> # Error: Unbound type constructor Irmin.t >>>> # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 >>>>=20=20 >>>=20=20 >>> This error is caused by a recent API change in Irmin 0.9.10 and will be= fixed in the next version of Jitsu. >>>=20=20 >>> As a temporary solution you can pin Irmin to version 0.9.9 with 'opam p= in add irmin 0.9.9'. You should then be able to install Jitsu with 'opam in= stall jitsu'. >>>=20=20 >>> I have submitted a PR to add a version constraint in opam [1], but it m= ay take some time before it is merged and propagated. >>>=20=20 >>> 1.=C2=A0https://github.com/ocaml/opam-repository/pull/4941 >>>=20=20 >>>=20=20 >>> Magnus >>>=20=20 >>=20=20 >>=20=20 >> _______________________________________________ >> 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 Links: 1. http://irmin_backend.ml/ --_----------=_14446419064994602 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset="UTF-8"
Jitsu doesn't use ezjsonm directly. It looks like the constraint is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been installed automatically when Irmin was pinned?
 
(Could also be related to [2])
 
 
--
Magnus
 
 
On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote:
Thanks -- is there a bug open for the ezjsonm constraint as well?  The older versions of Jitsu should all have upper bounds to prevent the conflicting libraries from being selected.
 
Anil
 
On 9 Oct 2015, at 21:31, Heikki Mahkonen <heikki.mahkonen@gmail.com> wrote:
 
FYI
 
---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com>
Date: Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>
 
 
Hi,
Thank you for the quick reply! I got it working now. I had to also pin the ezjsonm to 0.4.1.
 
> opam pin add ezjsonm 0.4.1
 
Thanks guys!
BR,
 
Heikki
 
On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no> wrote:

 
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
 
 
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu.
 
[...]
 
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
 
This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated.
 
 
 
Magnus
 
 
 
_______________________________________________
MirageOS-devel mailing list
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel
_______________________________________________
MirageOS-devel mailing list
 
--_----------=_14446419064994602-- --===============1822428199433162756== 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 --===============1822428199433162756==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 09:43:53 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 09:43:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZe3-0004ei-TL; Mon, 12 Oct 2015 09:43:51 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZe2-0004eY-6B for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 09:43:50 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 5F/EA-04752-5D08B165; Mon, 12 Oct 2015 09:43:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-27.messagelabs.com!1444643027!57663327!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_60_70,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30304 invoked from network); 12 Oct 2015 09:43:47 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 12 Oct 2015 09:43:47 -0000 Received: from dhcp-172-17-169-17.eduroam.wireless.private.cam.ac.uk (global-184-27.nat-1.net.cam.ac.uk [131.111.184.27]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 63b9f59a TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 12 Oct 2015 10:43:46 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> Date: Mon, 12 Oct 2015 10:43:46 +0100 Message-Id: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> To: Magnus Skjegstad X-Mailer: Apple Mail (2.3094) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8525596772074293513==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8525596772074293513== Content-Type: multipart/alternative; boundary="Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228" --Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii It should have picked up the right ezjsonm constraints when Irmin was = pinned. Perhaps the Irmin `opam` file in the working repository has the = incorrect upper bound. I occasionally find out-of-sync opam files in = other repositories and sync them up. Anil > On 12 Oct 2015, at 10:25, Magnus Skjegstad wrote: >=20 > Jitsu doesn't use ezjsonm directly. It looks like the constraint is = correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been = installed automatically when Irmin was pinned? > =20 > (Could also be related to [2]) > =20 > 1. = https://github.com/ocaml/opam-repository/blob/master/packages/irmin/irmin.= 0.9.9/opam = > 2. https://github.com/mirage/irmin/issues/317 = > =20 > -- > Magnus > =20 > =20 > On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote: >> Thanks -- is there a bug open for the ezjsonm constraint as well? = The older versions of Jitsu should all have upper bounds to prevent the = conflicting libraries from being selected. >> =20 >> Anil >> =20 >>> On 9 Oct 2015, at 21:31, Heikki Mahkonen > wrote: >>> =20 >>> FYI >>> =20 >>> ---------- Forwarded message ---------- >>> From: Heikki Mahkonen > >>> Date: Fri, Oct 9, 2015 at 12:58 PM >>> Subject: Re: [MirageOS-devel] Problem compiling Jitsu >>> To: Magnus Skjegstad > >>> =20 >>> =20 >>> Hi, >>> Thank you for the quick reply! I got it working now. I had to also = pin the ezjsonm to 0.4.1. >>> =20 >>> > opam pin add ezjsonm 0.4.1 >>> =20 >>> Thanks guys! >>> BR, >>> =20 >>> Heikki >>> =20 >>> On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad > wrote: >>>=20 >>> =20 >>> On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: >>> =20 >>>> =20 >>>> Hi guys, >>>> Can anybody help with this? I have problem compiling mirage/jitsu = on Ubuntu. >>>> =20 >>>> [...] >>>> =20 >>>> # File "irmin_backend.ml ", line 39, = characters 65-88: >>>> # Error: Unbound type constructor Irmin.t >>>> # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] = Error 2 >>>> =20 >>> =20 >>> This error is caused by a recent API change in Irmin 0.9.10 and will = be fixed in the next version of Jitsu. >>> =20 >>> As a temporary solution you can pin Irmin to version 0.9.9 with = 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu = with 'opam install jitsu'. >>> =20 >>> I have submitted a PR to add a version constraint in opam [1], but = it may take some time before it is merged and propagated. >>> =20 >>> 1. https://github.com/ocaml/opam-repository/pull/4941 = >>> =20 >>> =20 >>> Magnus >>> =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 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=us-ascii It should have picked up the right ezjsonm constraints when Irmin was pinned.  Perhaps the Irmin `opam` file in the working repository has the incorrect upper bound.  I occasionally find out-of-sync opam files in other repositories and sync them up.

Anil

On 12 Oct 2015, at 10:25, Magnus Skjegstad <magnus@v0.no> wrote:

Jitsu doesn't use ezjsonm directly. It looks like the constraint is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been installed automatically when Irmin was pinned?
 
(Could also be related to [2])
 
 
--
Magnus
 
 
On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote:
Thanks -- is there a bug open for the ezjsonm constraint as well?  The older versions of Jitsu should all have upper bounds to prevent the conflicting libraries from being selected.
 
Anil
 
On 9 Oct 2015, at 21:31, Heikki Mahkonen <heikki.mahkonen@gmail.com> wrote:
 
FYI
 
---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com>
Date: Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>
 
 
Hi,
Thank you for the quick reply! I got it working now. I had to also pin the ezjsonm to 0.4.1.
 
> opam pin add ezjsonm 0.4.1
 
Thanks guys!
BR,
 
Heikki
 
On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no> wrote:

 
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
 
 
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu.
 
[...]
 
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
 
This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated.
 
 
 
Magnus
 
 
 
_______________________________________________
MirageOS-devel mailing list
_______________________________________________
MirageOS-devel mailing list
 
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

--Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228-- --===============8525596772074293513== 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 --===============8525596772074293513==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 09:43:53 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 09:43:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZe3-0004ei-TL; Mon, 12 Oct 2015 09:43:51 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlZe2-0004eY-6B for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 09:43:50 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 5F/EA-04752-5D08B165; Mon, 12 Oct 2015 09:43:49 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-27.messagelabs.com!1444643027!57663327!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_60_70,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30304 invoked from network); 12 Oct 2015 09:43:47 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 12 Oct 2015 09:43:47 -0000 Received: from dhcp-172-17-169-17.eduroam.wireless.private.cam.ac.uk (global-184-27.nat-1.net.cam.ac.uk [131.111.184.27]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 63b9f59a TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Mon, 12 Oct 2015 10:43:46 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> Date: Mon, 12 Oct 2015 10:43:46 +0100 Message-Id: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> To: Magnus Skjegstad X-Mailer: Apple Mail (2.3094) Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8525596772074293513==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8525596772074293513== Content-Type: multipart/alternative; boundary="Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228" --Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii It should have picked up the right ezjsonm constraints when Irmin was = pinned. Perhaps the Irmin `opam` file in the working repository has the = incorrect upper bound. I occasionally find out-of-sync opam files in = other repositories and sync them up. Anil > On 12 Oct 2015, at 10:25, Magnus Skjegstad wrote: >=20 > Jitsu doesn't use ezjsonm directly. It looks like the constraint is = correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been = installed automatically when Irmin was pinned? > =20 > (Could also be related to [2]) > =20 > 1. = https://github.com/ocaml/opam-repository/blob/master/packages/irmin/irmin.= 0.9.9/opam = > 2. https://github.com/mirage/irmin/issues/317 = > =20 > -- > Magnus > =20 > =20 > On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote: >> Thanks -- is there a bug open for the ezjsonm constraint as well? = The older versions of Jitsu should all have upper bounds to prevent the = conflicting libraries from being selected. >> =20 >> Anil >> =20 >>> On 9 Oct 2015, at 21:31, Heikki Mahkonen > wrote: >>> =20 >>> FYI >>> =20 >>> ---------- Forwarded message ---------- >>> From: Heikki Mahkonen > >>> Date: Fri, Oct 9, 2015 at 12:58 PM >>> Subject: Re: [MirageOS-devel] Problem compiling Jitsu >>> To: Magnus Skjegstad > >>> =20 >>> =20 >>> Hi, >>> Thank you for the quick reply! I got it working now. I had to also = pin the ezjsonm to 0.4.1. >>> =20 >>> > opam pin add ezjsonm 0.4.1 >>> =20 >>> Thanks guys! >>> BR, >>> =20 >>> Heikki >>> =20 >>> On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad > wrote: >>>=20 >>> =20 >>> On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: >>> =20 >>>> =20 >>>> Hi guys, >>>> Can anybody help with this? I have problem compiling mirage/jitsu = on Ubuntu. >>>> =20 >>>> [...] >>>> =20 >>>> # File "irmin_backend.ml ", line 39, = characters 65-88: >>>> # Error: Unbound type constructor Irmin.t >>>> # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] = Error 2 >>>> =20 >>> =20 >>> This error is caused by a recent API change in Irmin 0.9.10 and will = be fixed in the next version of Jitsu. >>> =20 >>> As a temporary solution you can pin Irmin to version 0.9.9 with = 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu = with 'opam install jitsu'. >>> =20 >>> I have submitted a PR to add a version constraint in opam [1], but = it may take some time before it is merged and propagated. >>> =20 >>> 1. https://github.com/ocaml/opam-repository/pull/4941 = >>> =20 >>> =20 >>> Magnus >>> =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 > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel --Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=us-ascii It should have picked up the right ezjsonm constraints when Irmin was pinned.  Perhaps the Irmin `opam` file in the working repository has the incorrect upper bound.  I occasionally find out-of-sync opam files in other repositories and sync them up.

Anil

On 12 Oct 2015, at 10:25, Magnus Skjegstad <magnus@v0.no> wrote:

Jitsu doesn't use ezjsonm directly. It looks like the constraint is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been installed automatically when Irmin was pinned?
 
(Could also be related to [2])
 
 
--
Magnus
 
 
On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote:
Thanks -- is there a bug open for the ezjsonm constraint as well?  The older versions of Jitsu should all have upper bounds to prevent the conflicting libraries from being selected.
 
Anil
 
On 9 Oct 2015, at 21:31, Heikki Mahkonen <heikki.mahkonen@gmail.com> wrote:
 
FYI
 
---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com>
Date: Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>
 
 
Hi,
Thank you for the quick reply! I got it working now. I had to also pin the ezjsonm to 0.4.1.
 
> opam pin add ezjsonm 0.4.1
 
Thanks guys!
BR,
 
Heikki
 
On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no> wrote:

 
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
 
 
Hi guys,
Can anybody help with this? I have problem compiling mirage/jitsu on Ubuntu.
 
[...]
 
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2
 
 
This error is caused by a recent API change in Irmin 0.9.10 and will be fixed in the next version of Jitsu.
 
As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin add irmin 0.9.9'. You should then be able to install Jitsu with 'opam install jitsu'.
 
I have submitted a PR to add a version constraint in opam [1], but it may take some time before it is merged and propagated.
 
 
 
Magnus
 
 
 
_______________________________________________
MirageOS-devel mailing list
_______________________________________________
MirageOS-devel mailing list
 
_______________________________________________
MirageOS-devel mailing list
MirageOS-devel@lists.xenproject.org
http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

--Apple-Mail=_5CF2B185-2003-4561-A785-453F097E1228-- --===============8525596772074293513== 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 --===============8525596772074293513==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 14:25:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 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 1Zle28-0002Oe-JB; Mon, 12 Oct 2015 14:25:00 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zle26-0002Nl-QH for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 14:24:59 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 30/A0-30270-AB2CB165; Mon, 12 Oct 2015 14:24:58 +0000 X-Env-Sender: heikki.mahkonen@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1444659892!41685947!1 X-Originating-IP: [209.85.217.172] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10717 invoked from network); 12 Oct 2015 14:24:52 -0000 Received: from mail-lb0-f172.google.com (HELO mail-lb0-f172.google.com) (209.85.217.172) by server-12.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 12 Oct 2015 14:24:52 -0000 Received: by lbcao8 with SMTP id ao8so144913699lbc.3 for ; Mon, 12 Oct 2015 07:24:51 -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; bh=lOm8bJgUEIjosl8n2eDvcwlCsq+26MUC7jTDxhbZ+sg=; b=pfk8z2r+qNKkTuHD7pBWLhxoFt9gUq5s6hK6VnMATver52XXCnS+AScJmgpRjC9C7o SDmHCgXYVGXq72zVlbexw8LJKoePyXJSNVzn35XBSU9OTAKqx/hrSaF+/qfEuBmZaFcS 8LshGU4P3Ys+qoZSFtjq4kIut41o7D5BEnNT18CF0vYX6CalN6lB7KsXXlazgLgNlhaf rWLjzKMVEEe+MP0gp0wYe0ms3JTZvtkkkshX0PdN4ZCObtTTrPDPgqyh/oHtFlm77sNl A0In6ymRLv2EQ5RNbdy6VBcPcBwpqznti2g3EwWWhOeepoPIAb0ck86NlM4x5I6+3UC5 KVcg== MIME-Version: 1.0 X-Received: by 10.25.150.199 with SMTP id y190mr8449282lfd.35.1444659891698; Mon, 12 Oct 2015 07:24:51 -0700 (PDT) Received: by 10.112.190.97 with HTTP; Mon, 12 Oct 2015 07:24:51 -0700 (PDT) In-Reply-To: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> Date: Mon, 12 Oct 2015 07:24:51 -0700 Message-ID: From: Heikki Mahkonen To: Anil Madhavapeddy Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============7781174579140175669==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7781174579140175669== Content-Type: multipart/alternative; boundary=001a114014a6aa82560521e91719 --001a114014a6aa82560521e91719 Content-Type: text/plain; charset=UTF-8 Hi guys, Actually I did the Jitsu build from scratch (removed .opam...). This time when I pinned the Irmin it picked up the correct ezjsonm version. So it seems I had some race condition in my environment from previous builds I had done. Sorry for the confusion! Thank you for all your help! BR, Heikki On Mon, Oct 12, 2015 at 2:43 AM, Anil Madhavapeddy wrote: > It should have picked up the right ezjsonm constraints when Irmin was > pinned. Perhaps the Irmin `opam` file in the working repository has the > incorrect upper bound. I occasionally find out-of-sync opam files in other > repositories and sync them up. > > Anil > > On 12 Oct 2015, at 10:25, Magnus Skjegstad wrote: > > Jitsu doesn't use ezjsonm directly. It looks like the constraint is > correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been > installed automatically when Irmin was pinned? > > (Could also be related to [2]) > > 1. > https://github.com/ocaml/opam-repository/blob/master/packages/irmin/irmin.0.9.9/opam > 2. https://github.com/mirage/irmin/issues/317 > > -- > Magnus > > > On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote: > > Thanks -- is there a bug open for the ezjsonm constraint as well? The > older versions of Jitsu should all have upper bounds to prevent the > conflicting libraries from being selected. > > Anil > > > On 9 Oct 2015, at 21:31, Heikki Mahkonen > wrote: > > FYI > > ---------- Forwarded message ---------- > From: *Heikki Mahkonen* > Date: Fri, Oct 9, 2015 at 12:58 PM > Subject: Re: [MirageOS-devel] Problem compiling Jitsu > To: Magnus Skjegstad > > > Hi, > Thank you for the quick reply! I got it working now. I had to also pin the > ezjsonm to 0.4.1. > > > opam pin add ezjsonm 0.4.1 > > Thanks guys! > BR, > > Heikki > > On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad wrote: > > > > On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: > > > > Hi guys, > Can anybody help with this? I have problem compiling mirage/jitsu on > Ubuntu. > > [...] > > # File "irmin_backend.ml", line 39, characters 65-88: > # Error: Unbound type constructor Irmin.t > # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 > > > > This error is caused by a recent API change in Irmin 0.9.10 and will be > fixed in the next version of Jitsu. > > As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin > add irmin 0.9.9'. You should then be able to install Jitsu with 'opam > install jitsu'. > > I have submitted a PR to add a version constraint in opam [1], but it may > take some time before it is merged and propagated. > > 1. https://github.com/ocaml/opam-repository/pull/4941 > > > Magnus > > > > > _______________________________________________ > 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 > > > --001a114014a6aa82560521e91719 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi guys,

Actually I did the Ji= tsu build from scratch (removed .opam...). This time when I pinned the Irmi= n it picked up the correct ezjsonm version. So it seems I had some race con= dition in my environment from previous builds I had done. Sorry for the con= fusion!

Thank you for all your help!

BR,
Heikki

On Mon, Oct 12, 2015 at 2:43 AM, Anil Madhavapeddy <anil@recoil.or= g> wrote:
It should have picked up the right ezjsonm constraints w= hen Irmin was pinned.=C2=A0 Perhaps the Irmin `opam` file in the working re= pository has the incorrect upper bound.=C2=A0 I occasionally find out-of-sy= nc opam files in other repositories and sync them up.

Anil
<= div class=3D"h5">

On 12 Oc= t 2015, at 10:25, Magnus Skjegstad <magnus@v0.no> wrote:

Jitsu doesn't use ezjsonm directly. It looks like the constra= int is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 ha= ve been installed automatically when Irmin was pinned?
=C2=A0
(Could also be related to [2])
=C2=A0
1.=C2=A0https://github.com/oca= ml/opam-repository/blob/master/packages/irmin/irmin.0.9.9/opam
=C2=A0
--
Magnus
=C2=A0
=C2=A0
On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote:
Thanks -- is there a bug open for the ezjson= m constraint as well?=C2=A0 The older versions of Jitsu should all have upp= er bounds to prevent the conflicting libraries from being selected.
=C2=A0
Anil
=C2=A0
On 9 Oct 2015, at 21:31, Heikki Mahkone= n <heikki= .mahkonen@gmail.com> wrote:
=C2=A0
FYI
=C2=A0
---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com&g= t;
Date: Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>
=C2=A0
=C2=A0
Hi,
Thank you for the quick reply! I got it working now. I had to also pin= the ezjsonm to 0.4.1.
=C2=A0
> opam pin add ezjsonm 0.4.1
=C2=A0
Thanks guys!
BR,
=C2=A0
Heikki
=C2=A0
On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no&g= t; wrote:

=C2=A0
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
<= /div>
=C2=A0
=C2=A0
Hi guys,
Can anybody help with this? I have problem compiling mirage/jits= u on Ubuntu.
=C2=A0
[...]
=C2=A0
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] = Error 2
=C2=A0
=C2=A0
This error is caused by a recent API change in Irmin 0.9.10 and will b= e fixed in the next version of Jitsu.
=C2=A0
As a temporary solution you can pin Irmin to version 0.9.9 with 'o= pam pin add irmin 0.9.9'. You should then be able to install Jitsu with= 'opam install jitsu'.
=C2=A0
I have submitted a PR to add a version constraint in opam [1], but it = may take some time before it is merged and propagated.
=C2=A0
=C2=A0
=C2=A0
Magnus
<= /div>
=C2=A0
=C2=A0
=C2=A0
_______________________________________________
MirageOS-devel mailing list
_______________________________________________
MirageOS-devel mailing list
=C2=A0
_______________________________________________
MirageOS-devel mailing l= ist
MirageOS-devel@lists.xenproject.org
http= ://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

<= br>
--001a114014a6aa82560521e91719-- --===============7781174579140175669== 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 --===============7781174579140175669==-- From mirageos-devel-bounces@lists.xenproject.org Mon Oct 12 14:25:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 12 Oct 2015 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 1Zle28-0002Oe-JB; Mon, 12 Oct 2015 14:25:00 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zle26-0002Nl-QH for mirageos-devel@lists.xenproject.org; Mon, 12 Oct 2015 14:24:59 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 30/A0-30270-AB2CB165; Mon, 12 Oct 2015 14:24:58 +0000 X-Env-Sender: heikki.mahkonen@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1444659892!41685947!1 X-Originating-IP: [209.85.217.172] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10717 invoked from network); 12 Oct 2015 14:24:52 -0000 Received: from mail-lb0-f172.google.com (HELO mail-lb0-f172.google.com) (209.85.217.172) by server-12.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 12 Oct 2015 14:24:52 -0000 Received: by lbcao8 with SMTP id ao8so144913699lbc.3 for ; Mon, 12 Oct 2015 07:24:51 -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; bh=lOm8bJgUEIjosl8n2eDvcwlCsq+26MUC7jTDxhbZ+sg=; b=pfk8z2r+qNKkTuHD7pBWLhxoFt9gUq5s6hK6VnMATver52XXCnS+AScJmgpRjC9C7o SDmHCgXYVGXq72zVlbexw8LJKoePyXJSNVzn35XBSU9OTAKqx/hrSaF+/qfEuBmZaFcS 8LshGU4P3Ys+qoZSFtjq4kIut41o7D5BEnNT18CF0vYX6CalN6lB7KsXXlazgLgNlhaf rWLjzKMVEEe+MP0gp0wYe0ms3JTZvtkkkshX0PdN4ZCObtTTrPDPgqyh/oHtFlm77sNl A0In6ymRLv2EQ5RNbdy6VBcPcBwpqznti2g3EwWWhOeepoPIAb0ck86NlM4x5I6+3UC5 KVcg== MIME-Version: 1.0 X-Received: by 10.25.150.199 with SMTP id y190mr8449282lfd.35.1444659891698; Mon, 12 Oct 2015 07:24:51 -0700 (PDT) Received: by 10.112.190.97 with HTTP; Mon, 12 Oct 2015 07:24:51 -0700 (PDT) In-Reply-To: References: <1444413160.3921397.406068873.45E1EAB4@webmail.messagingengine.com> <1444641906.499460.407687177.4EE6479D@webmail.messagingengine.com> Date: Mon, 12 Oct 2015 07:24:51 -0700 Message-ID: From: Heikki Mahkonen To: Anil Madhavapeddy Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Problem compiling Jitsu X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============7781174579140175669==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============7781174579140175669== Content-Type: multipart/alternative; boundary=001a114014a6aa82560521e91719 --001a114014a6aa82560521e91719 Content-Type: text/plain; charset=UTF-8 Hi guys, Actually I did the Jitsu build from scratch (removed .opam...). This time when I pinned the Irmin it picked up the correct ezjsonm version. So it seems I had some race condition in my environment from previous builds I had done. Sorry for the confusion! Thank you for all your help! BR, Heikki On Mon, Oct 12, 2015 at 2:43 AM, Anil Madhavapeddy wrote: > It should have picked up the right ezjsonm constraints when Irmin was > pinned. Perhaps the Irmin `opam` file in the working repository has the > incorrect upper bound. I occasionally find out-of-sync opam files in other > repositories and sync them up. > > Anil > > On 12 Oct 2015, at 10:25, Magnus Skjegstad wrote: > > Jitsu doesn't use ezjsonm directly. It looks like the constraint is > correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 have been > installed automatically when Irmin was pinned? > > (Could also be related to [2]) > > 1. > https://github.com/ocaml/opam-repository/blob/master/packages/irmin/irmin.0.9.9/opam > 2. https://github.com/mirage/irmin/issues/317 > > -- > Magnus > > > On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote: > > Thanks -- is there a bug open for the ezjsonm constraint as well? The > older versions of Jitsu should all have upper bounds to prevent the > conflicting libraries from being selected. > > Anil > > > On 9 Oct 2015, at 21:31, Heikki Mahkonen > wrote: > > FYI > > ---------- Forwarded message ---------- > From: *Heikki Mahkonen* > Date: Fri, Oct 9, 2015 at 12:58 PM > Subject: Re: [MirageOS-devel] Problem compiling Jitsu > To: Magnus Skjegstad > > > Hi, > Thank you for the quick reply! I got it working now. I had to also pin the > ezjsonm to 0.4.1. > > > opam pin add ezjsonm 0.4.1 > > Thanks guys! > BR, > > Heikki > > On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad wrote: > > > > On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote: > > > > Hi guys, > Can anybody help with this? I have problem compiling mirage/jitsu on > Ubuntu. > > [...] > > # File "irmin_backend.ml", line 39, characters 65-88: > # Error: Unbound type constructor Irmin.t > # make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] Error 2 > > > > This error is caused by a recent API change in Irmin 0.9.10 and will be > fixed in the next version of Jitsu. > > As a temporary solution you can pin Irmin to version 0.9.9 with 'opam pin > add irmin 0.9.9'. You should then be able to install Jitsu with 'opam > install jitsu'. > > I have submitted a PR to add a version constraint in opam [1], but it may > take some time before it is merged and propagated. > > 1. https://github.com/ocaml/opam-repository/pull/4941 > > > Magnus > > > > > _______________________________________________ > 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 > > > --001a114014a6aa82560521e91719 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi guys,

Actually I did the Ji= tsu build from scratch (removed .opam...). This time when I pinned the Irmi= n it picked up the correct ezjsonm version. So it seems I had some race con= dition in my environment from previous builds I had done. Sorry for the con= fusion!

Thank you for all your help!

BR,
Heikki

On Mon, Oct 12, 2015 at 2:43 AM, Anil Madhavapeddy <anil@recoil.or= g> wrote:
It should have picked up the right ezjsonm constraints w= hen Irmin was pinned.=C2=A0 Perhaps the Irmin `opam` file in the working re= pository has the incorrect upper bound.=C2=A0 I occasionally find out-of-sy= nc opam files in other repositories and sync them up.

Anil
<= div class=3D"h5">

On 12 Oc= t 2015, at 10:25, Magnus Skjegstad <magnus@v0.no> wrote:

Jitsu doesn't use ezjsonm directly. It looks like the constra= int is correct for Irmin 0.9.9 though [1] -- shouldn't ezjsonm 0.4.1 ha= ve been installed automatically when Irmin was pinned?
=C2=A0
(Could also be related to [2])
=C2=A0
1.=C2=A0https://github.com/oca= ml/opam-repository/blob/master/packages/irmin/irmin.0.9.9/opam
=C2=A0
--
Magnus
=C2=A0
=C2=A0
On Mon, 12 Oct 2015, at 10:12, Anil Madhavapeddy wrote:
Thanks -- is there a bug open for the ezjson= m constraint as well?=C2=A0 The older versions of Jitsu should all have upp= er bounds to prevent the conflicting libraries from being selected.
=C2=A0
Anil
=C2=A0
On 9 Oct 2015, at 21:31, Heikki Mahkone= n <heikki= .mahkonen@gmail.com> wrote:
=C2=A0
FYI
=C2=A0
---------- Forwarded message ----------
From: Heikki Mahkonen <heikki.mahkonen@gmail.com&g= t;
Date: Fri, Oct 9, 2015 at 12:58 PM
Subject: Re: [MirageOS-devel] Problem compiling Jitsu
To: Magnus Skjegstad <magnus@v0.no>
=C2=A0
=C2=A0
Hi,
Thank you for the quick reply! I got it working now. I had to also pin= the ezjsonm to 0.4.1.
=C2=A0
> opam pin add ezjsonm 0.4.1
=C2=A0
Thanks guys!
BR,
=C2=A0
Heikki
=C2=A0
On Fri, Oct 9, 2015 at 10:52 AM, Magnus Skjegstad <magnus@v0.no&g= t; wrote:

=C2=A0
On Fri, 9 Oct 2015, at 18:58, Heikki Mahkonen wrote:
<= /div>
=C2=A0
=C2=A0
Hi guys,
Can anybody help with this? I have problem compiling mirage/jits= u on Ubuntu.
=C2=A0
[...]
=C2=A0
# File "irmin_backend.ml", line 39, characters 65-88:
# Error: Unbound type constructor Irmin.t
# make: *** [/home/user/.opam/4.01.0/build/jitsu.0.2/bin/jitsu] = Error 2
=C2=A0
=C2=A0
This error is caused by a recent API change in Irmin 0.9.10 and will b= e fixed in the next version of Jitsu.
=C2=A0
As a temporary solution you can pin Irmin to version 0.9.9 with 'o= pam pin add irmin 0.9.9'. You should then be able to install Jitsu with= 'opam install jitsu'.
=C2=A0
I have submitted a PR to add a version constraint in opam [1], but it = may take some time before it is merged and propagated.
=C2=A0
=C2=A0
=C2=A0
Magnus
<= /div>
=C2=A0
=C2=A0
=C2=A0
_______________________________________________
MirageOS-devel mailing list
_______________________________________________
MirageOS-devel mailing list
=C2=A0
_______________________________________________
MirageOS-devel mailing l= ist
MirageOS-devel@lists.xenproject.org
http= ://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel

<= br>
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Message-ID: From: "Christiano F. Haesbaert" To: Drup Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTAgT2N0b2JlciAyMDE1IGF0IDE2OjI0LCBEcnVwIDxkcnVweW9nK2NhbWxAem9oby5jb20+ IHdyb3RlOgo+IElmIHlvdSBuZWVkIHRvIGRlZmluZSB0aGlzIE1ha2UgZnVuY3RvciBpbnNpZGUg dW5pa2VybmVsLm1sIGZvciB0aGUgc2ltcGxlc3QKPiBleGFtcGxlIHlvdSBoYXZlLCBpdCBzaG91 bGQgYmUgaW4geW91ciBsaWJyYXJ5IGRpcmVjdGx5LiBSZWdhcmRsZXNzIG9mIG90aGVyCj4gbmVl ZHMgKGludGVncmF0aW9uIHdpdGggdGhlIG90aGVyIG1pcmFnZSBsaWJyYXJpZXMpOgo+Cj4gMS4g TWFrZSAqb25lKiBmdW5jdG9yIHRoYXQgdGFrZXMgc2ltcGxlIGFyZ3VtZW50cyAoYXBwYXJlbnRs eSwgQ0xPQ0ssIElQIGFuZAo+IE5FVFdPUkssIGluIHlvdXIgY2FzZSwgSSB0aGluaykuCgpJIHdh 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dC5vcmcKPj4gaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0 aW5mby9taXJhZ2Vvcy1kZXZlbAo+Cj4KPgo+Cj4gX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KPiBNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKPiBNaXJh Z2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwo+IGh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxp bmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMu eGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 07:35:51 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 07:35:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zlu7g-0005Sy-NY; Tue, 13 Oct 2015 07:35:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zlu7f-0005St-Lc for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 07:35:47 +0000 Received: from [85.158.137.68] by server-11.bemta-3.messagelabs.com id CD/57-32641-254BC165; Tue, 13 Oct 2015 07:35:46 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1444721745!52665182!1 X-Originating-IP: [209.85.217.182] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24157 invoked from network); 13 Oct 2015 07:35:45 -0000 Received: from mail-lb0-f182.google.com (HELO mail-lb0-f182.google.com) (209.85.217.182) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Oct 2015 07:35:45 -0000 Received: by lbbck17 with SMTP id ck17so9458839lbb.1 for ; Tue, 13 Oct 2015 00:35:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=Q6+Wvzzk5eQqYUYroTab0uaaS60Pu+99jtDVO7P4Od0=; b=PUIx55xsb9ieqATm8v5xE1YOc8UJ89BaVssBXH5n/6FfE1vAoyFQRMXSjKyaTF8ioa MG1CkAiLJc83ywDrQhXF/u2bDwCjZp1qJkXVTGZ0UIk0SwC8Hdg0WM9nJMlRMc2JbSqf UKoc9zoKOimANAa4m17THaK/ol0L0WTp7EyW4/LNjQRbSKd81i28VyV4yknWTPVX68Yx ylgFimDUvv0vAWZfRGp41t1i2K5NZw2UiPoZRyZ9HPuNkn6osxnT19nTe0EqZmX5kYaN 1swcL94KQhl7+k4ztrkq98wALZQIEPLZZHhfFxerKTuTPFYWIAB+Bgu8WVA1T9GUYHg0 gRHQ== MIME-Version: 1.0 X-Received: by 10.25.79.84 with SMTP id d81mr9375075lfb.40.1444721744875; Tue, 13 Oct 2015 00:35:44 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Tue, 13 Oct 2015 00:35:44 -0700 (PDT) In-Reply-To: <56193532.4030301@mehnert.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> Date: Tue, 13 Oct 2015 09:35:44 +0200 X-Google-Sender-Auth: J56IqikOL-FjKQRl3B2Xx3ZBQIU Message-ID: From: "Christiano F. Haesbaert" To: Hannes Mehnert Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 17:56, Hannes Mehnert wrote: > hey, > > On 10/10/2015 07:42, Christiano F. Haesbaert wrote: >> We have released charrua-core \o/: >> https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ > > great! :) \o/ > > I do have some questions, though: > - is there a way to programmatically create a configuration, rather than > providing a dhcpd.conf? would be great to be able to construct such a > config in config.ml (or use magic to derive one from a given interface > configuration) :) Ack, that I can arrange, shouldn't be too much trouble. > > - what is the purpose of having config abstracted over an INTERFACE? That is to abstract IO in/outside mirage, take a look at: https://github.com/haesbaert/charrua-unix/blob/master/src/charruad.ml#L65 > > I'm still not sure about the design: to separate the server logic from > the side effecting computations and the store (which would allow testing > more easily), I'd I'm not super happy with the separation the way it is today either. > a) make a constructor for a server: val dhcp_ctx : config -> context > b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct.t > option * action list)` (which takes a (potential packet), and possibly > produces a reply for that, and maybe a list of actions (log events, > timers, ...) I think doing this for the packet IO case could be straight forward, since it's always input -> reply. But lets say you build a list of actions and whatnot, now what if another packet in the future comes which ends up making you cancel that timeout, so you return an action "cancel timeout X". Then the caller needs to know what timeout X is, and how to cancel it and so far, isn't that a lot of work ? I do agree with the principle and making the logic pure. > c) I'd abstract over the store by requiring three functions, > `val get : Macaddr.t -> Ipaddr.V4.t option` and `val add : Macaddr.t -> > Ipaddr.V4.t -> unit`, `val remove : Macaddr.t -> unit` in the server > configuration (or sth similar, maybe using the Lease.t record?) -- thus > users (tests!) can provide a Hashtbl, an Irmin backend, a Set, or just > ignore them. (this is similar to how we implemented session resumption > https://github.com/mirleft/ocaml-tls/pull/283) > > In my opinion, the core logic should be independent of lwt (similar to > TLS and OTR). The core should also be independent of a concrete > interface (I might want to run this dhcp server on a vlan trunk as > ip-helper, thus the environment should be responsible to add the > ethernet header).. of course it needs certain configuration information, > which I'd pass in directly. I think I can start pulling out the IO and doing as you suggested, at least for v0.2, that would alone remove the INTERFACE functors and the rest of the IO packet separation. So my suggestion is the following for 0.2: 1 - Make the server take an input packet as argument and return the possible reply, thus removing IO from logic. Logs and Lease still stay as they are. 2 - Work on persistent Lease as said before. 3 - Move the remaining Functors to something like Drup suggested. Then I can experiment on making the rest of the logic functionally pure as well. In the meanwhile I would like to put charrua-mirage in mirage-skeletons/dhcp_server "as it is", so people have something to test and whatnot. How about ? > > Since we have a dhcp server now, and also a dns server, it'd be nice to > have an example unikernel which provides dhcp leases, and registers the > client identifiers under some domain name (sth I hacked up several times > years ago, using e.g. sauron http://sauron.jyu.fi/ or buddha > https://github.com/dylan-lang/http/tree/master/examples/buddha). > Yeah that would be great, I think once we pull the dhcp packet IO of the logic, that should be straightforward to do, then we can have a mirage-skeletons/dhcp_named or something. > I started to write up some lessons learned from developing protocol > implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 > (feedback highly welcome, most likely I'm missing things). > Great, I read them but want to go over again with more calm. > > sorry for the long mail and thanks for contributing a dhcp server! :), > > 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 Tue Oct 13 07:35:51 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 07:35:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zlu7g-0005Sy-NY; Tue, 13 Oct 2015 07:35:48 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zlu7f-0005St-Lc for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 07:35:47 +0000 Received: from [85.158.137.68] by server-11.bemta-3.messagelabs.com id CD/57-32641-254BC165; Tue, 13 Oct 2015 07:35:46 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1444721745!52665182!1 X-Originating-IP: [209.85.217.182] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24157 invoked from network); 13 Oct 2015 07:35:45 -0000 Received: from mail-lb0-f182.google.com (HELO mail-lb0-f182.google.com) (209.85.217.182) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 13 Oct 2015 07:35:45 -0000 Received: by lbbck17 with SMTP id ck17so9458839lbb.1 for ; Tue, 13 Oct 2015 00:35:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=Q6+Wvzzk5eQqYUYroTab0uaaS60Pu+99jtDVO7P4Od0=; b=PUIx55xsb9ieqATm8v5xE1YOc8UJ89BaVssBXH5n/6FfE1vAoyFQRMXSjKyaTF8ioa MG1CkAiLJc83ywDrQhXF/u2bDwCjZp1qJkXVTGZ0UIk0SwC8Hdg0WM9nJMlRMc2JbSqf UKoc9zoKOimANAa4m17THaK/ol0L0WTp7EyW4/LNjQRbSKd81i28VyV4yknWTPVX68Yx ylgFimDUvv0vAWZfRGp41t1i2K5NZw2UiPoZRyZ9HPuNkn6osxnT19nTe0EqZmX5kYaN 1swcL94KQhl7+k4ztrkq98wALZQIEPLZZHhfFxerKTuTPFYWIAB+Bgu8WVA1T9GUYHg0 gRHQ== MIME-Version: 1.0 X-Received: by 10.25.79.84 with SMTP id d81mr9375075lfb.40.1444721744875; Tue, 13 Oct 2015 00:35:44 -0700 (PDT) Received: by 10.112.228.194 with HTTP; Tue, 13 Oct 2015 00:35:44 -0700 (PDT) In-Reply-To: <56193532.4030301@mehnert.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> Date: Tue, 13 Oct 2015 09:35:44 +0200 X-Google-Sender-Auth: J56IqikOL-FjKQRl3B2Xx3ZBQIU Message-ID: From: "Christiano F. Haesbaert" To: Hannes Mehnert Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 17:56, Hannes Mehnert wrote: > hey, > > On 10/10/2015 07:42, Christiano F. Haesbaert wrote: >> We have released charrua-core \o/: >> https://opam.ocaml.org/packages/charrua-core/charrua-core.0.1/ > > great! :) \o/ > > I do have some questions, though: > - is there a way to programmatically create a configuration, rather than > providing a dhcpd.conf? would be great to be able to construct such a > config in config.ml (or use magic to derive one from a given interface > configuration) :) Ack, that I can arrange, shouldn't be too much trouble. > > - what is the purpose of having config abstracted over an INTERFACE? That is to abstract IO in/outside mirage, take a look at: https://github.com/haesbaert/charrua-unix/blob/master/src/charruad.ml#L65 > > I'm still not sure about the design: to separate the server logic from > the side effecting computations and the store (which would allow testing > more easily), I'd I'm not super happy with the separation the way it is today either. > a) make a constructor for a server: val dhcp_ctx : config -> context > b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct.t > option * action list)` (which takes a (potential packet), and possibly > produces a reply for that, and maybe a list of actions (log events, > timers, ...) I think doing this for the packet IO case could be straight forward, since it's always input -> reply. But lets say you build a list of actions and whatnot, now what if another packet in the future comes which ends up making you cancel that timeout, so you return an action "cancel timeout X". Then the caller needs to know what timeout X is, and how to cancel it and so far, isn't that a lot of work ? I do agree with the principle and making the logic pure. > c) I'd abstract over the store by requiring three functions, > `val get : Macaddr.t -> Ipaddr.V4.t option` and `val add : Macaddr.t -> > Ipaddr.V4.t -> unit`, `val remove : Macaddr.t -> unit` in the server > configuration (or sth similar, maybe using the Lease.t record?) -- thus > users (tests!) can provide a Hashtbl, an Irmin backend, a Set, or just > ignore them. (this is similar to how we implemented session resumption > https://github.com/mirleft/ocaml-tls/pull/283) > > In my opinion, the core logic should be independent of lwt (similar to > TLS and OTR). The core should also be independent of a concrete > interface (I might want to run this dhcp server on a vlan trunk as > ip-helper, thus the environment should be responsible to add the > ethernet header).. of course it needs certain configuration information, > which I'd pass in directly. I think I can start pulling out the IO and doing as you suggested, at least for v0.2, that would alone remove the INTERFACE functors and the rest of the IO packet separation. So my suggestion is the following for 0.2: 1 - Make the server take an input packet as argument and return the possible reply, thus removing IO from logic. Logs and Lease still stay as they are. 2 - Work on persistent Lease as said before. 3 - Move the remaining Functors to something like Drup suggested. Then I can experiment on making the rest of the logic functionally pure as well. In the meanwhile I would like to put charrua-mirage in mirage-skeletons/dhcp_server "as it is", so people have something to test and whatnot. How about ? > > Since we have a dhcp server now, and also a dns server, it'd be nice to > have an example unikernel which provides dhcp leases, and registers the > client identifiers under some domain name (sth I hacked up several times > years ago, using e.g. sauron http://sauron.jyu.fi/ or buddha > https://github.com/dylan-lang/http/tree/master/examples/buddha). > Yeah that would be great, I think once we pull the dhcp packet IO of the logic, that should be straightforward to do, then we can have a mirage-skeletons/dhcp_named or something. > I started to write up some lessons learned from developing protocol > implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 > (feedback highly welcome, most likely I'm missing things). > Great, I read them but want to go over again with more calm. > > sorry for the long mail and thanks for contributing a dhcp server! :), > > 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 Tue Oct 13 10:09:57 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 10:09:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlwWj-0007ZH-2p; Tue, 13 Oct 2015 10:09:49 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlwWh-0007Z8-0h for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 10:09:47 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id F6/CA-10715-A68DC165; Tue, 13 Oct 2015 10:09:46 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1444730984!19101558!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12947 invoked from network); 13 Oct 2015 10:09:45 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 13 Oct 2015 10:09:45 -0000 Received: from [128.232.110.198] (c198.al.cl.cam.ac.uk [128.232.110.198]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id 59078350B for ; Tue, 13 Oct 2015 12:09:42 +0200 (CEST) References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> To: mirageos-devel From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <561CD83E.3010706@mehnert.org> Date: Tue, 13 Oct 2015 11:09:02 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============3631557470338574317==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============3631557470338574317== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 10/13/2015 08:35, Christiano F. Haesbaert wrote: > On 10 October 2015 at 17:56, Hannes Mehnert wrote:= >> I do have some questions, though: >> - is there a way to programmatically create a configuration, rather th= an >> providing a dhcpd.conf? would be great to be able to construct such a >> config in config.ml (or use magic to derive one from a given interface= >> configuration) :) >=20 > Ack, that I can arrange, shouldn't be too much trouble. Cool! >> - what is the purpose of having config abstracted over an INTERFACE? >=20 > That is to abstract IO in/outside mirage, take a look at: >=20 > https://github.com/haesbaert/charrua-unix/blob/master/src/charruad.ml#L= 65 But why should Config use any IO? Shouldn't it receive a string and return a Config? >> a) make a constructor for a server: val dhcp_ctx : config -> context >> b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct= =2Et >> option * action list)` (which takes a (potential packet), and possibly= >> produces a reply for that, and maybe a list of actions (log events, >> timers, ...) >=20 > I think doing this for the packet IO case could be straight forward, > since it's always input -> reply. >=20 > But lets say you build a list of actions and whatnot, now what if > another packet in the future comes which ends up making you cancel > that timeout, so you return an action "cancel timeout X". >=20 > Then the caller needs to know what timeout X is, and how to cancel it > and so far, isn't that a lot of work ? While it might sound like 'a lot of work', it actually is being explicit about which side effects should happen. And describing them in an explicit style (using a sum type) makes the code easier to understand. I don't have experience which applying this style to protocols with timers, it might turn out to be too troublesome; but I think we should try it out :) Certainly, someone who just wants to setup a DHCP server shouldn't be pestered with these details, this is why a thin convenience layers (using Lwt, Unix, Mirage, ...) are useful. > I think I can start pulling out the IO and doing as you suggested, at > least for v0.2, that would alone remove the INTERFACE functors and the > rest of the IO packet separation. \o/ > So my suggestion is the following for 0.2: >=20 > 1 - Make the server take an input packet as argument and return the > possible reply, thus removing IO from logic. Logs and Lease still stay > as they are. A decent first step! > 2 - Work on persistent Lease as said before. > 3 - Move the remaining Functors to something like Drup suggested. >=20 > Then I can experiment on making the rest of the logic functionally pure= as well. Cool! > In the meanwhile I would like to put charrua-mirage in > mirage-skeletons/dhcp_server "as it is", so people have something to > test and whatnot. How about ? I think this is a great idea (would really like to have a configuration option which derives from the already statically configured IPv4 stack). > Yeah that would be great, I think once we pull the dhcp packet IO of > the logic, that should be straightforward to do, then we can have a > mirage-skeletons/dhcp_named or something. \o/ >> I started to write up some lessons learned from developing protocol >> implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 >> (feedback highly welcome, most likely I'm missing things). >> >=20 > Great, I read them but want to go over again with more calm. I'm happy to get feedback (and might turn this into something more tutorial-style, maybe with more concrete examples?) hannes --WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWHNg+AAoJELyJZYjffCju4HsQAL9hgDFTeyYLrdt8cheWGfx6 7jYk2oyQRf1lsssh7FI5I0awKqXRCXxZkuV0bwJrztIizw2co2oTx56uePi6zsJf PHTvJhBu3uqNrPCVC5Y0mgo51gL827hTkD3mzRWWiScC0WQLNCTmdn1iSMsQrY0s 9/wby1AnmGpZpAG17R7KuW6JExciV7/RRqFES/Oh93fxSUy4ngYH2nRmJI3HojD9 4o8yOE8OFjLdRjLnQG+FhkBpYegoWtJWuqYGONpCmHbX+nbqsxADmrzz6veb+VRM K3fSL0M8quwNtaU1Kn7YfRWuUiZrxIC+aX2L+ev6G7fW+p37kRnjMPdwBXJK993H TP2VgvI0DDbCtbum/zEilcokH60SQ5ze6iSFIrztEKkgO/EyN3qT00Zzjt6MOWpu PSzc2VAn51k37A1spYcTZSmedy0r90x2KOD8/ngyYDrbUOsOtnxbXgeidgITXfze 53T+citDrsz8xHxwtgKZjWJ5q4by+VFoBycHhDtV6+UvDB8TXOGaxl4g70Cv02pE rwCs9apA4iUKdMr/EDmO7wJeZ9g1qdNmZggCSlwVVLDZqIe4JG64Rl4nGJXCGi98 JvvVjqFT3vDctFUYt31qU9ccAflkBQGL4GZD3g+mNR8KAz91Fh2vhbvGiSZIPX/5 K4yVFPy+Q5SZf/qQiqO3 =gmtc -----END PGP SIGNATURE----- --WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2-- --===============3631557470338574317== 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 --===============3631557470338574317==-- From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 10:09:57 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 10:09:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlwWj-0007ZH-2p; Tue, 13 Oct 2015 10:09:49 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlwWh-0007Z8-0h for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 10:09:47 +0000 Received: from [193.109.254.147] by server-4.bemta-14.messagelabs.com id F6/CA-10715-A68DC165; Tue, 13 Oct 2015 10:09:46 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-8.tower-27.messagelabs.com!1444730984!19101558!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12947 invoked from network); 13 Oct 2015 10:09:45 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-8.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 13 Oct 2015 10:09:45 -0000 Received: from [128.232.110.198] (c198.al.cl.cam.ac.uk [128.232.110.198]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id 59078350B for ; Tue, 13 Oct 2015 12:09:42 +0200 (CEST) References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> To: mirageos-devel From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <561CD83E.3010706@mehnert.org> Date: Tue, 13 Oct 2015 11:09:02 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============3631557470338574317==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============3631557470338574317== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 10/13/2015 08:35, Christiano F. Haesbaert wrote: > On 10 October 2015 at 17:56, Hannes Mehnert wrote:= >> I do have some questions, though: >> - is there a way to programmatically create a configuration, rather th= an >> providing a dhcpd.conf? would be great to be able to construct such a >> config in config.ml (or use magic to derive one from a given interface= >> configuration) :) >=20 > Ack, that I can arrange, shouldn't be too much trouble. Cool! >> - what is the purpose of having config abstracted over an INTERFACE? >=20 > That is to abstract IO in/outside mirage, take a look at: >=20 > https://github.com/haesbaert/charrua-unix/blob/master/src/charruad.ml#L= 65 But why should Config use any IO? Shouldn't it receive a string and return a Config? >> a) make a constructor for a server: val dhcp_ctx : config -> context >> b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct= =2Et >> option * action list)` (which takes a (potential packet), and possibly= >> produces a reply for that, and maybe a list of actions (log events, >> timers, ...) >=20 > I think doing this for the packet IO case could be straight forward, > since it's always input -> reply. >=20 > But lets say you build a list of actions and whatnot, now what if > another packet in the future comes which ends up making you cancel > that timeout, so you return an action "cancel timeout X". >=20 > Then the caller needs to know what timeout X is, and how to cancel it > and so far, isn't that a lot of work ? While it might sound like 'a lot of work', it actually is being explicit about which side effects should happen. And describing them in an explicit style (using a sum type) makes the code easier to understand. I don't have experience which applying this style to protocols with timers, it might turn out to be too troublesome; but I think we should try it out :) Certainly, someone who just wants to setup a DHCP server shouldn't be pestered with these details, this is why a thin convenience layers (using Lwt, Unix, Mirage, ...) are useful. > I think I can start pulling out the IO and doing as you suggested, at > least for v0.2, that would alone remove the INTERFACE functors and the > rest of the IO packet separation. \o/ > So my suggestion is the following for 0.2: >=20 > 1 - Make the server take an input packet as argument and return the > possible reply, thus removing IO from logic. Logs and Lease still stay > as they are. A decent first step! > 2 - Work on persistent Lease as said before. > 3 - Move the remaining Functors to something like Drup suggested. >=20 > Then I can experiment on making the rest of the logic functionally pure= as well. Cool! > In the meanwhile I would like to put charrua-mirage in > mirage-skeletons/dhcp_server "as it is", so people have something to > test and whatnot. How about ? I think this is a great idea (would really like to have a configuration option which derives from the already statically configured IPv4 stack). > Yeah that would be great, I think once we pull the dhcp packet IO of > the logic, that should be straightforward to do, then we can have a > mirage-skeletons/dhcp_named or something. \o/ >> I started to write up some lessons learned from developing protocol >> implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 >> (feedback highly welcome, most likely I'm missing things). >> >=20 > Great, I read them but want to go over again with more calm. I'm happy to get feedback (and might turn this into something more tutorial-style, maybe with more concrete examples?) hannes --WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWHNg+AAoJELyJZYjffCju4HsQAL9hgDFTeyYLrdt8cheWGfx6 7jYk2oyQRf1lsssh7FI5I0awKqXRCXxZkuV0bwJrztIizw2co2oTx56uePi6zsJf PHTvJhBu3uqNrPCVC5Y0mgo51gL827hTkD3mzRWWiScC0WQLNCTmdn1iSMsQrY0s 9/wby1AnmGpZpAG17R7KuW6JExciV7/RRqFES/Oh93fxSUy4ngYH2nRmJI3HojD9 4o8yOE8OFjLdRjLnQG+FhkBpYegoWtJWuqYGONpCmHbX+nbqsxADmrzz6veb+VRM K3fSL0M8quwNtaU1Kn7YfRWuUiZrxIC+aX2L+ev6G7fW+p37kRnjMPdwBXJK993H TP2VgvI0DDbCtbum/zEilcokH60SQ5ze6iSFIrztEKkgO/EyN3qT00Zzjt6MOWpu PSzc2VAn51k37A1spYcTZSmedy0r90x2KOD8/ngyYDrbUOsOtnxbXgeidgITXfze 53T+citDrsz8xHxwtgKZjWJ5q4by+VFoBycHhDtV6+UvDB8TXOGaxl4g70Cv02pE rwCs9apA4iUKdMr/EDmO7wJeZ9g1qdNmZggCSlwVVLDZqIe4JG64Rl4nGJXCGi98 JvvVjqFT3vDctFUYt31qU9ccAflkBQGL4GZD3g+mNR8KAz91Fh2vhbvGiSZIPX/5 K4yVFPy+Q5SZf/qQiqO3 =gmtc -----END PGP SIGNATURE----- --WlDBeFUhfiPnksfvOveljIuSx6C2Sh4o2-- --===============3631557470338574317== 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 --===============3631557470338574317==-- From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 11:18:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 11:18:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlxbJ-0004sR-Go; Tue, 13 Oct 2015 11:18:37 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlxbH-0004sM-SL for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 11:18:36 +0000 Received: from [85.158.139.211] by server-11.bemta-5.messagelabs.com id 4A/E1-24494-B88EC165; Tue, 13 Oct 2015 11:18:35 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-14.tower-206.messagelabs.com!1444735114!36508090!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 20208 invoked from network); 13 Oct 2015 11:18:34 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-14.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 13 Oct 2015 11:18:34 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-17-170-203.eduroam.wireless.private.cam.ac.uk ([172.17.170.203]:53216) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:465) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1ZlxbF-0004JI-Y6 (Exim 4.86_36-e07b163) (return-path ); Tue, 13 Oct 2015 12:18:33 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <561CD83E.3010706@mehnert.org> Date: Tue, 13 Oct 2015 12:18:32 +0100 Message-Id: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> <561CD83E.3010706@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cj4gT24gMTMgT2N0IDIwMTUsIGF0IDExOjA5LCBIYW5uZXMgTWVobmVydCA8aGFubmVzQG1laG5l cnQub3JnPiB3cm90ZToKPiAKPiBPbiAxMC8xMy8yMDE1IDA4OjM1LCBDaHJpc3RpYW5vIEYuIEhh ZXNiYWVydCB3cm90ZToKPj4gT24gMTAgT2N0b2JlciAyMDE1IGF0IDE3OjU2LCBIYW5uZXMgTWVo bmVydCA8aGFubmVzQG1laG5lcnQub3JnPiB3cm90ZToKPj4+IEkgZG8gaGF2ZSBzb21lIHF1ZXN0 aW9ucywgdGhvdWdoOgo+Pj4gLSBpcyB0aGVyZSBhIHdheSB0byBwcm9ncmFtbWF0aWNhbGx5IGNy ZWF0ZSBhIGNvbmZpZ3VyYXRpb24sIHJhdGhlciB0aGFuCj4+PiBwcm92aWRpbmcgYSBkaGNwZC5j b25mPyB3b3VsZCBiZSBncmVhdCB0byBiZSBhYmxlIHRvIGNvbnN0cnVjdCBzdWNoIGEKPj4+IGNv bmZpZyBpbiBjb25maWcubWwgKG9yIHVzZSBtYWdpYyB0byBkZXJpdmUgb25lIGZyb20gYSBnaXZl biBpbnRlcmZhY2UKPj4+IGNvbmZpZ3VyYXRpb24pIDopCj4+IAo+PiBBY2ssIHRoYXQgSSBjYW4g YXJyYW5nZSwgc2hvdWxkbid0IGJlIHRvbyBtdWNoIHRyb3VibGUuCj4gCj4gQ29vbCEKPiAKPj4+ IC0gd2hhdCBpcyB0aGUgcHVycG9zZSBvZiBoYXZpbmcgY29uZmlnIGFic3RyYWN0ZWQgb3ZlciBh 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YXBweSB0byBwcm9vZi1yZWFkIGFuZCBoZWxwIG91dCBvbmNlIHRoZXJl4oCZcyBhbiBpbml0aWFs IGRyYWZ0LgoKVGhhbmtzIQpBbWlyCgoKCgoKCgoKCgoKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJh Z2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5v cmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 11:18:43 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 11:18:43 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlxbJ-0004sR-Go; Tue, 13 Oct 2015 11:18:37 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlxbH-0004sM-SL for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 11:18:36 +0000 Received: from [85.158.139.211] by server-11.bemta-5.messagelabs.com id 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4.86_36-e07b163) (return-path ); Tue, 13 Oct 2015 12:18:33 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <561CD83E.3010706@mehnert.org> Date: Tue, 13 Oct 2015 12:18:32 +0100 Message-Id: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> <561CD83E.3010706@mehnert.org> To: Hannes Mehnert X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cj4gT24gMTMgT2N0IDIwMTUsIGF0IDExOjA5LCBIYW5uZXMgTWVobmVydCA8aGFubmVzQG1laG5l cnQub3JnPiB3cm90ZToKPiAKPiBPbiAxMC8xMy8yMDE1IDA4OjM1LCBDaHJpc3RpYW5vIEYuIEhh 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cmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 12:18:50 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 12:18:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlyXS-0008Tb-7v; Tue, 13 Oct 2015 12:18:42 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlyXQ-0008TW-CW for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 12:18:40 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id 0A/6D-22142-F96FC165; Tue, 13 Oct 2015 12:18:39 +0000 X-Env-Sender: drupyog+caml@zoho.com X-Msg-Ref: server-2.tower-206.messagelabs.com!1444738716!18463544!1 X-Originating-IP: [74.201.84.153] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- 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Haesbaert" References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56191FA0.7090600@zoho.com> From: Drup Message-ID: <561CF664.6050502@zoho.com> Date: Tue, 13 Oct 2015 14:17:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Length:1346 Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.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: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgMTMvMTAvMjAxNSAwOToyMCwgQ2hyaXN0aWFubyBGLiBIYWVzYmFlcnQgYSDDqWNyaXQgOgo+ IE9uIDEwIE9jdG9iZXIgMjAxNSBhdCAxNjoyNCwgRHJ1cCA8ZHJ1cHlvZytjYW1sQHpvaG8uY29t PiB3cm90ZToKPj4gSWYgeW91IG5lZWQgdG8gZGVmaW5lIHRoaXMgTWFrZSBmdW5jdG9yIGluc2lk ZSB1bmlrZXJuZWwubWwgZm9yIHRoZSBzaW1wbGVzdAo+PiBleGFtcGxlIHlvdSBoYXZlLCBpdCBz aG91bGQgYmUgaW4geW91ciBsaWJyYXJ5IGRpcmVjdGx5LiBSZWdhcmRsZXNzIG9mIG90aGVyCj4+ IG5lZWRzIChpbnRlZ3JhdGlvbiB3aXRoIHRoZSBvdGhlciBtaXJhZ2UgbGlicmFyaWVzKToKPj4K Pj4gMS4gTWFrZSAqb25lKiBmdW5jdG9yIHRoYXQgdGFrZXMgc2ltcGxlIGFyZ3VtZW50cyAoYXBw YXJlbnRseSwgQ0xPQ0ssIElQIGFuZAo+PiBORVRXT1JLLCBpbiB5b3VyIGNhc2UsIEkgdGhpbmsp Lgo+IEkgd2FzIHRoaW5raW5nIG9uIGRvaW5nIHNvbWV0aGluZyBzaW1paWxhciBhbmQgYWxzbyBt b3ZlIHRoZSBJTlRFUkZBQ0UKPiBpbXBsZW1lbnRhdGlvbiBpbnNpZGUgdGhlIGltcGxlbWVudGF0 aW9uLCBidXQgdGhlbiBJJ2QgYmUganVzdCBoaWRpbmcKPiBjb2RlIEkgZ3Vlc3MuCj4KPiBXaGVu IHlvdSBzYXkgc2ltcGxlIGFyZ3VtZW50cyB5b3UgbWVhbiBzaW1wbGUgdmFsdWVzID8gYXMgaW4s IG5vdCBhIGZ1bmN0b3IuCk5vLCBpdCBzaG91bGQgYmUgYSBmdW5jdG9yLCBidXQgb25seSAic2lt cGxlIiBwcmVkZWZpbmVkIG1vZHVsZSAKc2lnbmF0dXJlcyBhcyBhcmd1bWVudHMgKENMT0NLLCBO RVRXT1JLIC4uLikuCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54 ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFu L2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 12:18:50 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 12:18:50 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlyXS-0008Tb-7v; Tue, 13 Oct 2015 12:18:42 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZlyXQ-0008TW-CW for mirageos-devel@lists.xenproject.org; Tue, 13 Oct 2015 12:18:40 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id 0A/6D-22142-F96FC165; Tue, 13 Oct 2015 12:18:39 +0000 X-Env-Sender: drupyog+caml@zoho.com X-Msg-Ref: server-2.tower-206.messagelabs.com!1444738716!18463544!1 X-Originating-IP: [74.201.84.153] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 10471 invoked from network); 13 Oct 2015 12:18:38 -0000 Received: from sender153-mail.zoho.com (HELO sender153-mail.zoho.com) (74.201.84.153) by server-2.tower-206.messagelabs.com with AES128-SHA encrypted SMTP; 13 Oct 2015 12:18:38 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=subject:to:references:cc:from:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=kEH8Hc4AQCGxxPgJ7Q0Q+z9MSPRhUZIA9DlW8isslKg8vdiNUfqSmUCpNyJ7mXFjLsa65WDBdOgy tRTWxA/ilCJA11BGCKboQw1beZbOtINw782n1/01HuMMMl1qReW7 Received: from [192.168.1.109] (perens.inria.fr [128.93.60.79]) by mx.zohomail.com with SMTPS id 1444738714421437.65713923725104; Tue, 13 Oct 2015 05:18:34 -0700 (PDT) To: "Christiano F. Haesbaert" References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56191FA0.7090600@zoho.com> From: Drup Message-ID: <561CF664.6050502@zoho.com> Date: Tue, 13 Oct 2015 14:17:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Length:1346 Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.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: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org TGUgMTMvMTAvMjAxNSAwOToyMCwgQ2hyaXN0aWFubyBGLiBIYWVzYmFlcnQgYSDDqWNyaXQgOgo+ IE9uIDEwIE9jdG9iZXIgMjAxNSBhdCAxNjoyNCwgRHJ1cCA8ZHJ1cHlvZytjYW1sQHpvaG8uY29t PiB3cm90ZToKPj4gSWYgeW91IG5lZWQgdG8gZGVmaW5lIHRoaXMgTWFrZSBmdW5jdG9yIGluc2lk ZSB1bmlrZXJuZWwubWwgZm9yIHRoZSBzaW1wbGVzdAo+PiBleGFtcGxlIHlvdSBoYXZlLCBpdCBz aG91bGQgYmUgaW4geW91ciBsaWJyYXJ5IGRpcmVjdGx5LiBSZWdhcmRsZXNzIG9mIG90aGVyCj4+ IG5lZWRzIChpbnRlZ3JhdGlvbiB3aXRoIHRoZSBvdGhlciBtaXJhZ2UgbGlicmFyaWVzKToKPj4K Pj4gMS4gTWFrZSAqb25lKiBmdW5jdG9yIHRoYXQgdGFrZXMgc2ltcGxlIGFyZ3VtZW50cyAoYXBw YXJlbnRseSwgQ0xPQ0ssIElQIGFuZAo+PiBORVRXT1JLLCBpbiB5b3VyIGNhc2UsIEkgdGhpbmsp Lgo+IEkgd2FzIHRoaW5raW5nIG9uIGRvaW5nIHNvbWV0aGluZyBzaW1paWxhciBhbmQgYWxzbyBt b3ZlIHRoZSBJTlRFUkZBQ0UKPiBpbXBsZW1lbnRhdGlvbiBpbnNpZGUgdGhlIGltcGxlbWVudGF0 aW9uLCBidXQgdGhlbiBJJ2QgYmUganVzdCBoaWRpbmcKPiBjb2RlIEkgZ3Vlc3MuCj4KPiBXaGVu IHlvdSBzYXkgc2ltcGxlIGFyZ3VtZW50cyB5b3UgbWVhbiBzaW1wbGUgdmFsdWVzID8gYXMgaW4s IG5vdCBhIGZ1bmN0b3IuCk5vLCBpdCBzaG91bGQgYmUgYSBmdW5jdG9yLCBidXQgb25seSAic2lt cGxlIiBwcmVkZWZpbmVkIG1vZHVsZSAKc2lnbmF0dXJlcyBhcyBhcmd1bWVudHMgKENMT0NLLCBO RVRXT1JLIC4uLikuCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54 ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFu L2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 14:29:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 14:29:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zm0a1-0005N0-74; 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Tue, 13 Oct 2015 15:29:26 +0100 From: Amir Chaudhry Message-Id: Date: Tue, 13 Oct 2015 15:29:26 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] MirageOS fortnightly call - Wednesday 14th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2VPUyBjYWxsIHdpbGwgdGFrZSBwbGFjZSBvbiBXZWRu ZXNkYXkgYWZ0ZXJub29uIGF0IDRwbSBCU1QgYW5kIGlzIG9wZW4gdG8gYWxsLiAgV2UnbGwgKHN0 aWxsKSBiZSBvbiBHb29nbGUgSGFuZ291dCBbMV0gYW5kIEnigJlsbCBwb3N0IHRoZSBsaW5rIHNo b3J0bHkgYmVmb3JlIHRoZSBjYWxsIC0tIGJvdGggaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNo YW5uZWwgKCNtaXJhZ2Ugb24gZnJlZW5vZGUpLiAgCgpOb3RlcyBmcm9tIGxhc3QgdGltZSBhcmUg YXQ6IGh0dHBzOi8vbWlyYWdlLmlvL3dpa2kvd2Vla2x5LTIwMTUtMDktMzAKVGhlIGFnZW5kYSBm b3IgdGhpcyB3ZWVrIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzIChzdWJqZWN0IHRvIGNoYW5nZSk6 CgrigKIgRnVuY3RvcmlhCuKAoiBJcm1pbiByb2FkbWFwCuKAoiBQaW9uZWVyIFByb2plY3RzCgni gKIgREhDUArigKIgQmxvZyBwb3N0cyBhbmQgdmlkZW9zCuKAoiBPUEFNIGNyb3NzLWNvbXBpbGF0 aW9uIChmeWkpCgpJZiB5b3UgaGF2ZSB0aGluZ3MgdG8gYWRkL2VkaXQsIHBsZWFzZSBkbyBzbyBh dCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS13d3cvd2lraS9DYWxsLUFnZW5kYQoK Sm9pbiB1cyBhdCA0cG0gQlNUIG9uIFdlZG5lc2RheSEKCkJlc3Qgd2lzaGVzLApBbWlyCgpbMV0g SWYgYW55b25lIGhhcyB0aG91Z2h0cyBvbiBhbHRlcm5hdGl2ZXMgdG8gSGFuZ291dCwgcGxlYXNl IHBvc3Qgb24gdGhlIGlzc3VlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLXd3 dy9pc3N1ZXMvMzkyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5w cm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xp c3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Tue Oct 13 14:29:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 13 Oct 2015 14:29:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zm0a1-0005N0-74; 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Tue, 13 Oct 2015 15:29:26 +0100 From: Amir Chaudhry Message-Id: Date: Tue, 13 Oct 2015 15:29:26 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] MirageOS fortnightly call - Wednesday 14th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2VPUyBjYWxsIHdpbGwgdGFrZSBwbGFjZSBvbiBXZWRu ZXNkYXkgYWZ0ZXJub29uIGF0IDRwbSBCU1QgYW5kIGlzIG9wZW4gdG8gYWxsLiAgV2UnbGwgKHN0 aWxsKSBiZSBvbiBHb29nbGUgSGFuZ291dCBbMV0gYW5kIEnigJlsbCBwb3N0IHRoZSBsaW5rIHNo b3J0bHkgYmVmb3JlIHRoZSBjYWxsIC0tIGJvdGggaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNo YW5uZWwgKCNtaXJhZ2Ugb24gZnJlZW5vZGUpLiAgCgpOb3RlcyBmcm9tIGxhc3QgdGltZSBhcmUg YXQ6IGh0dHBzOi8vbWlyYWdlLmlvL3dpa2kvd2Vla2x5LTIwMTUtMDktMzAKVGhlIGFnZW5kYSBm b3IgdGhpcyB3ZWVrIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzIChzdWJqZWN0IHRvIGNoYW5nZSk6 CgrigKIgRnVuY3RvcmlhCuKAoiBJcm1pbiByb2FkbWFwCuKAoiBQaW9uZWVyIFByb2plY3RzCgni gKIgREhDUArigKIgQmxvZyBwb3N0cyBhbmQgdmlkZW9zCuKAoiBPUEFNIGNyb3NzLWNvbXBpbGF0 aW9uIChmeWkpCgpJZiB5b3UgaGF2ZSB0aGluZ3MgdG8gYWRkL2VkaXQsIHBsZWFzZSBkbyBzbyBh dCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS13d3cvd2lraS9DYWxsLUFnZW5kYQoK Sm9pbiB1cyBhdCA0cG0gQlNUIG9uIFdlZG5lc2RheSEKCkJlc3Qgd2lzaGVzLApBbWlyCgpbMV0g SWYgYW55b25lIGhhcyB0aG91Z2h0cyBvbiBhbHRlcm5hdGl2ZXMgdG8gSGFuZ291dCwgcGxlYXNl IHBvc3Qgb24gdGhlIGlzc3VlIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLXd3 dy9pc3N1ZXMvMzkyCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5w cm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xp c3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Wed Oct 14 14:57:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Oct 2015 14:57:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmNUp-0008GD-L9; 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Wed, 14 Oct 2015 15:57:35 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Wed, 14 Oct 2015 15:57:34 +0100 Message-Id: <453393D9-B26D-439C-BB9B-FDD936BCB814@cam.ac.uk> References: To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 14th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 VGhlIGhhbmdvdXQgbGluayBmb3IgdGhlIGNhbGwgaXMgaHR0cHM6Ly9wbHVzLmdvb2dsZS5jb20v aGFuZ291dHMvXy9ncTdlMzZzdnloM29remxiYW4zczY1bndueWEKCj4gT24gMTMgT2N0IDIwMTUs IGF0IDE1OjI5LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMudWs+IHdyb3RlOgo+IAo+IEhp IGZvbGtzLAo+IAo+IFRoZSBuZXh0IE1pcmFnZU9TIGNhbGwgd2lsbCB0YWtlIHBsYWNlIG9uIFdl ZG5lc2RheSBhZnRlcm5vb24gYXQgNHBtIEJTVCBhbmQgaXMgb3BlbiB0byBhbGwuICBXZSdsbCAo c3RpbGwpIGJlIG9uIEdvb2dsZSBIYW5nb3V0IFsxXSBhbmQgSeKAmWxsIHBvc3QgdGhlIGxpbmsg c2hvcnRseSBiZWZvcmUgdGhlIGNhbGwgLS0gYm90aCBoZXJlIGFuZCBhbHNvIGluIHRoZSBJUkMg Y2hhbm5lbCAoI21pcmFnZSBvbiBmcmVlbm9kZSkuICAKPiAKPiBOb3RlcyBmcm9tIGxhc3QgdGlt ZSBhcmUgYXQ6IGh0dHBzOi8vbWlyYWdlLmlvL3dpa2kvd2Vla2x5LTIwMTUtMDktMzAKPiBUaGUg YWdlbmRhIGZvciB0aGlzIHdlZWsgaXMgY3VycmVudGx5IGFzIGZvbGxvd3MgKHN1YmplY3QgdG8g Y2hhbmdlKToKPiAKPiDigKIgRnVuY3RvcmlhCj4g4oCiIElybWluIHJvYWRtYXAKPiDigKIgUGlv bmVlciBQcm9qZWN0cwo+IAnigKIgREhDUAo+IOKAoiBCbG9nIHBvc3RzIGFuZCB2aWRlb3MKPiDi gKIgT1BBTSBjcm9zcy1jb21waWxhdGlvbiAoZnlpKQo+IAo+IElmIHlvdSBoYXZlIHRoaW5ncyB0 byBhZGQvZWRpdCwgcGxlYXNlIGRvIHNvIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWly YWdlLXd3dy93aWtpL0NhbGwtQWdlbmRhCj4gCj4gSm9pbiB1cyBhdCA0cG0gQlNUIG9uIFdlZG5l c2RheSEKPiAKPiBCZXN0IHdpc2hlcywKPiBBbWlyCj4gCj4gWzFdIElmIGFueW9uZSBoYXMgdGhv dWdodHMgb24gYWx0ZXJuYXRpdmVzIHRvIEhhbmdvdXQsIHBsZWFzZSBwb3N0IG9uIHRoZSBpc3N1 ZSBhdCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS13d3cvaXNzdWVzLzM5MgoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRl dmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRw Oi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9z LWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Wed Oct 14 14:57:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Oct 2015 14:57:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmNUp-0008GD-L9; 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Wed, 14 Oct 2015 15:57:35 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Wed, 14 Oct 2015 15:57:34 +0100 Message-Id: <453393D9-B26D-439C-BB9B-FDD936BCB814@cam.ac.uk> References: To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 14th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 VGhlIGhhbmdvdXQgbGluayBmb3IgdGhlIGNhbGwgaXMgaHR0cHM6Ly9wbHVzLmdvb2dsZS5jb20v aGFuZ291dHMvXy9ncTdlMzZzdnloM29remxiYW4zczY1bndueWEKCj4gT24gMTMgT2N0IDIwMTUs IGF0IDE1OjI5LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMudWs+IHdyb3RlOgo+IAo+IEhp IGZvbGtzLAo+IAo+IFRoZSBuZXh0IE1pcmFnZU9TIGNhbGwgd2lsbCB0YWtlIHBsYWNlIG9uIFdl ZG5lc2RheSBhZnRlcm5vb24gYXQgNHBtIEJTVCBhbmQgaXMgb3BlbiB0byBhbGwuICBXZSdsbCAo c3RpbGwpIGJlIG9uIEdvb2dsZSBIYW5nb3V0IFsxXSBhbmQgSeKAmWxsIHBvc3QgdGhlIGxpbmsg c2hvcnRseSBiZWZvcmUgdGhlIGNhbGwgLS0gYm90aCBoZXJlIGFuZCBhbHNvIGluIHRoZSBJUkMg Y2hhbm5lbCAoI21pcmFnZSBvbiBmcmVlbm9kZSkuICAKPiAKPiBOb3RlcyBmcm9tIGxhc3QgdGlt ZSBhcmUgYXQ6IGh0dHBzOi8vbWlyYWdlLmlvL3dpa2kvd2Vla2x5LTIwMTUtMDktMzAKPiBUaGUg YWdlbmRhIGZvciB0aGlzIHdlZWsgaXMgY3VycmVudGx5IGFzIGZvbGxvd3MgKHN1YmplY3QgdG8g Y2hhbmdlKToKPiAKPiDigKIgRnVuY3RvcmlhCj4g4oCiIElybWluIHJvYWRtYXAKPiDigKIgUGlv bmVlciBQcm9qZWN0cwo+IAnigKIgREhDUAo+IOKAoiBCbG9nIHBvc3RzIGFuZCB2aWRlb3MKPiDi gKIgT1BBTSBjcm9zcy1jb21waWxhdGlvbiAoZnlpKQo+IAo+IElmIHlvdSBoYXZlIHRoaW5ncyB0 byBhZGQvZWRpdCwgcGxlYXNlIGRvIHNvIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWly YWdlLXd3dy93aWtpL0NhbGwtQWdlbmRhCj4gCj4gSm9pbiB1cyBhdCA0cG0gQlNUIG9uIFdlZG5l c2RheSEKPiAKPiBCZXN0IHdpc2hlcywKPiBBbWlyCj4gCj4gWzFdIElmIGFueW9uZSBoYXMgdGhv dWdodHMgb24gYWx0ZXJuYXRpdmVzIHRvIEhhbmdvdXQsIHBsZWFzZSBwb3N0IG9uIHRoZSBpc3N1 ZSBhdCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21pcmFnZS13d3cvaXNzdWVzLzM5MgoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRl dmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRw Oi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9z LWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Wed Oct 14 15:01:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Oct 2015 15:01:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmNYV-0000az-W4; 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Wed, 14 Oct 2015 16:01:25 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <453393D9-B26D-439C-BB9B-FDD936BCB814@cam.ac.uk> Date: Wed, 14 Oct 2015 16:01:23 +0100 Message-Id: <7A15F168-9CBA-47E0-93CD-A94037C35A51@cam.ac.uk> References: <453393D9-B26D-439C-BB9B-FDD936BCB814@cam.ac.uk> To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 14th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 QXBvbG9naWVzLCB0aGUgbGluayBoYXMgY2hhbmdlZCB0byBodHRwczovL2hhbmdvdXRzLmdvb2ds ZS5jb20vY2FsbC9ueDRjY2g2ZG00NWRtN3RwYTNicnNra2VlYWEKCj4gT24gMTQgT2N0IDIwMTUs IGF0IDE1OjU3LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMudWs+IHdyb3RlOgo+IAo+IFRo ZSBoYW5nb3V0IGxpbmsgZm9yIHRoZSBjYWxsIGlzIGh0dHBzOi8vcGx1cy5nb29nbGUuY29tL2hh bmdvdXRzL18vZ3E3ZTM2c3Z5aDNva3psYmFuM3M2NW53bnlhCj4gCj4+IE9uIDEzIE9jdCAyMDE1 LCBhdCAxNToyOSwgQW1pciBDaGF1ZGhyeSA8YW1jNzlAY2FtLmFjLnVrPiB3cm90ZToKPj4gCj4+ IEhpIGZvbGtzLAo+PiAKPj4gVGhlIG5leHQgTWlyYWdlT1MgY2FsbCB3aWxsIHRha2UgcGxhY2Ug b24gV2VkbmVzZGF5IGFmdGVybm9vbiBhdCA0cG0gQlNUIGFuZCBpcyBvcGVuIHRvIGFsbC4gIFdl J2xsIChzdGlsbCkgYmUgb24gR29vZ2xlIEhhbmdvdXQgWzFdIGFuZCBJ4oCZbGwgcG9zdCB0aGUg bGluayBzaG9ydGx5IGJlZm9yZSB0aGUgY2FsbCAtLSBib3RoIGhlcmUgYW5kIGFsc28gaW4gdGhl IElSQyBjaGFubmVsICgjbWlyYWdlIG9uIGZyZWVub2RlKS4gIAo+PiAKPj4gTm90ZXMgZnJvbSBs YXN0IHRpbWUgYXJlIGF0OiBodHRwczovL21pcmFnZS5pby93aWtpL3dlZWtseS0yMDE1LTA5LTMw Cj4+IFRoZSBhZ2VuZGEgZm9yIHRoaXMgd2VlayBpcyBjdXJyZW50bHkgYXMgZm9sbG93cyAoc3Vi amVjdCB0byBjaGFuZ2UpOgo+PiAKPj4g4oCiIEZ1bmN0b3JpYQo+PiDigKIgSXJtaW4gcm9hZG1h cAo+PiDigKIgUGlvbmVlciBQcm9qZWN0cwo+PiAJ4oCiIERIQ1AKPj4g4oCiIEJsb2cgcG9zdHMg YW5kIHZpZGVvcwo+PiDigKIgT1BBTSBjcm9zcy1jb21waWxhdGlvbiAoZnlpKQo+PiAKPj4gSWYg eW91IGhhdmUgdGhpbmdzIHRvIGFkZC9lZGl0LCBwbGVhc2UgZG8gc28gYXQgaHR0cHM6Ly9naXRo dWIuY29tL21pcmFnZS9taXJhZ2Utd3d3L3dpa2kvQ2FsbC1BZ2VuZGEKPj4gCj4+IEpvaW4gdXMg YXQgNHBtIEJTVCBvbiBXZWRuZXNkYXkhCj4+IAo+PiBCZXN0IHdpc2hlcywKPj4gQW1pcgo+PiAK Pj4gWzFdIElmIGFueW9uZSBoYXMgdGhvdWdodHMgb24gYWx0ZXJuYXRpdmVzIHRvIEhhbmdvdXQs IHBsZWFzZSBwb3N0IG9uIHRoZSBpc3N1ZSBhdCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21p cmFnZS13d3cvaXNzdWVzLzM5Mgo+IAo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCj4gTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Cj4gTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKPiBodHRwOi8vbGlzdHMueGVucHJvamVjdC5v cmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGlu ZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54 ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Oct 14 15:01:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Oct 2015 15:01:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmNYV-0000az-W4; 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Wed, 14 Oct 2015 16:01:25 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: <453393D9-B26D-439C-BB9B-FDD936BCB814@cam.ac.uk> Date: Wed, 14 Oct 2015 16:01:23 +0100 Message-Id: <7A15F168-9CBA-47E0-93CD-A94037C35A51@cam.ac.uk> References: <453393D9-B26D-439C-BB9B-FDD936BCB814@cam.ac.uk> To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday 14th at 4pm BST X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 QXBvbG9naWVzLCB0aGUgbGluayBoYXMgY2hhbmdlZCB0byBodHRwczovL2hhbmdvdXRzLmdvb2ds ZS5jb20vY2FsbC9ueDRjY2g2ZG00NWRtN3RwYTNicnNra2VlYWEKCj4gT24gMTQgT2N0IDIwMTUs IGF0IDE1OjU3LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMudWs+IHdyb3RlOgo+IAo+IFRo ZSBoYW5nb3V0IGxpbmsgZm9yIHRoZSBjYWxsIGlzIGh0dHBzOi8vcGx1cy5nb29nbGUuY29tL2hh bmdvdXRzL18vZ3E3ZTM2c3Z5aDNva3psYmFuM3M2NW53bnlhCj4gCj4+IE9uIDEzIE9jdCAyMDE1 LCBhdCAxNToyOSwgQW1pciBDaGF1ZGhyeSA8YW1jNzlAY2FtLmFjLnVrPiB3cm90ZToKPj4gCj4+ IEhpIGZvbGtzLAo+PiAKPj4gVGhlIG5leHQgTWlyYWdlT1MgY2FsbCB3aWxsIHRha2UgcGxhY2Ug b24gV2VkbmVzZGF5IGFmdGVybm9vbiBhdCA0cG0gQlNUIGFuZCBpcyBvcGVuIHRvIGFsbC4gIFdl J2xsIChzdGlsbCkgYmUgb24gR29vZ2xlIEhhbmdvdXQgWzFdIGFuZCBJ4oCZbGwgcG9zdCB0aGUg bGluayBzaG9ydGx5IGJlZm9yZSB0aGUgY2FsbCAtLSBib3RoIGhlcmUgYW5kIGFsc28gaW4gdGhl IElSQyBjaGFubmVsICgjbWlyYWdlIG9uIGZyZWVub2RlKS4gIAo+PiAKPj4gTm90ZXMgZnJvbSBs YXN0IHRpbWUgYXJlIGF0OiBodHRwczovL21pcmFnZS5pby93aWtpL3dlZWtseS0yMDE1LTA5LTMw Cj4+IFRoZSBhZ2VuZGEgZm9yIHRoaXMgd2VlayBpcyBjdXJyZW50bHkgYXMgZm9sbG93cyAoc3Vi amVjdCB0byBjaGFuZ2UpOgo+PiAKPj4g4oCiIEZ1bmN0b3JpYQo+PiDigKIgSXJtaW4gcm9hZG1h cAo+PiDigKIgUGlvbmVlciBQcm9qZWN0cwo+PiAJ4oCiIERIQ1AKPj4g4oCiIEJsb2cgcG9zdHMg YW5kIHZpZGVvcwo+PiDigKIgT1BBTSBjcm9zcy1jb21waWxhdGlvbiAoZnlpKQo+PiAKPj4gSWYg eW91IGhhdmUgdGhpbmdzIHRvIGFkZC9lZGl0LCBwbGVhc2UgZG8gc28gYXQgaHR0cHM6Ly9naXRo dWIuY29tL21pcmFnZS9taXJhZ2Utd3d3L3dpa2kvQ2FsbC1BZ2VuZGEKPj4gCj4+IEpvaW4gdXMg YXQgNHBtIEJTVCBvbiBXZWRuZXNkYXkhCj4+IAo+PiBCZXN0IHdpc2hlcywKPj4gQW1pcgo+PiAK Pj4gWzFdIElmIGFueW9uZSBoYXMgdGhvdWdodHMgb24gYWx0ZXJuYXRpdmVzIHRvIEhhbmdvdXQs IHBsZWFzZSBwb3N0IG9uIHRoZSBpc3N1ZSBhdCBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL21p cmFnZS13d3cvaXNzdWVzLzM5Mgo+IAo+IAo+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCj4gTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Cj4gTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKPiBodHRwOi8vbGlzdHMueGVucHJvamVjdC5v cmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGlu ZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54 ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Wed Oct 14 17:26:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Oct 2015 17:26:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmPoo-0000Ua-CM; 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[131.111.184.27]) by smtp.gmail.com with ESMTPSA id bv2sm11275940wjc.11.2015.10.14.10.26.21 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 14 Oct 2015 10:26:21 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <08CBEE7F-4A1F-4980-9C00-60F3886E8EFD@gazagnaire.org> Date: Wed, 14 Oct 2015 18:26:20 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] [ANN] Irmin 0.10.0 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 I'm happy announce the new release of Irmin: 0.10.0 with lots of API breaking changes (will be soon in opam). The main goal of this release is to stick closer to concepts already exposed by Git to make it simpler to use/grasp for existing Git users: Irmin now uses "references" (instead of tag), "commit id" (instead of head), etc. That releases also introduces the concept of "repository", which gives more freedom to the various backends to optimise how they represent/share internal state. It also remove helpers which were hiding important decision designs that users has to take such as which SHA implementation to use: no more `Irmin.Basic. The full list of changes is available at [1] and the API docs are still online at [2]. Best, Thomas (who done all the work) and Thomas (who just sent an email) [1]: https://github.com/mirage/irmin/blob/master/CHANGES.md#0100-2015-10-14 [2]: https://mirage.github.io/irmin/Irmin.html _______________________________________________ MirageOS-devel 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 Oct 14 17:26:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 14 Oct 2015 17:26:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmPoo-0000Ua-CM; Wed, 14 Oct 2015 17:26:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmPom-0000UU-Uh for mirageos-devel@lists.xenproject.org; Wed, 14 Oct 2015 17:26:25 +0000 Received: from [193.109.254.147] by server-6.bemta-14.messagelabs.com id D7/A1-16618-0409E165; Wed, 14 Oct 2015 17:26:24 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-13.tower-27.messagelabs.com!1444843583!31850749!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30533 invoked from network); 14 Oct 2015 17:26:23 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-13.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 14 Oct 2015 17:26:23 -0000 Received: by wicgb1 with SMTP id gb1so239883245wic.1 for ; Wed, 14 Oct 2015 10:26:23 -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=eu0gbd8NKZQms263Ytg6ofUY90pEwKuVj7ySeDq16W0=; b=xHf5uHWEca1H2zDVXyG8c/KtN1my9lza8/O8JFiKA15zZga9WZyFvwleM7vt+HKzJW 2bJRzaLml3sow2BhnsnAU6HxeYtuSfoRIidOTYJrV7WN2sp/vtpMp0fRmg2a6TspJTBe A4Yl+9Y6T4iklxPXKhk1hk61nAL6Tn7aMe4hWzd1IREqSpipGaI5uSAToD4mVIhdG7Qz Q7AYYkhxl46FM8FIqwcc9XCrSSnGEerKgmm48OwQPWC6Muce/knJc6Xk1Int7wtGWuqC h9yQX6xQOjFMmRIS17yC7Jv8rMNaZGupJDT77y3CCZBkuZSMLeXaozq8c6GeXY3Zrf6A 5SMg== X-Received: by 10.194.87.198 with SMTP id ba6mr5516494wjb.6.1444843582843; Wed, 14 Oct 2015 10:26:22 -0700 (PDT) Received: from dhcp-172-17-172-140.eduroam.wireless.private.cam.ac.uk (global-184-27.nat-1.net.cam.ac.uk. [131.111.184.27]) by smtp.gmail.com with ESMTPSA id bv2sm11275940wjc.11.2015.10.14.10.26.21 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 14 Oct 2015 10:26:21 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <08CBEE7F-4A1F-4980-9C00-60F3886E8EFD@gazagnaire.org> Date: Wed, 14 Oct 2015 18:26:20 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] [ANN] Irmin 0.10.0 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 I'm happy announce the new release of Irmin: 0.10.0 with lots of API breaking changes (will be soon in opam). The main goal of this release is to stick closer to concepts already exposed by Git to make it simpler to use/grasp for existing Git users: Irmin now uses "references" (instead of tag), "commit id" (instead of head), etc. That releases also introduces the concept of "repository", which gives more freedom to the various backends to optimise how they represent/share internal state. It also remove helpers which were hiding important decision designs that users has to take such as which SHA implementation to use: no more `Irmin.Basic. The full list of changes is available at [1] and the API docs are still online at [2]. Best, Thomas (who done all the work) and Thomas (who just sent an email) [1]: https://github.com/mirage/irmin/blob/master/CHANGES.md#0100-2015-10-14 [2]: https://mirage.github.io/irmin/Irmin.html _______________________________________________ MirageOS-devel 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 Oct 15 08:39:02 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 08:39:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zme3p-00087C-N5; Thu, 15 Oct 2015 08:38:53 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zme3n-000877-UG for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 08:38:52 +0000 Received: from [193.109.254.147] by server-6.bemta-14.messagelabs.com id 9D/74-16618-A166F165; Thu, 15 Oct 2015 08:38:50 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1444898329!21762183!1 X-Originating-IP: [209.85.217.176] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14051 invoked from network); 15 Oct 2015 08:38:49 -0000 Received: from mail-lb0-f176.google.com (HELO mail-lb0-f176.google.com) (209.85.217.176) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 08:38:49 -0000 Received: by lbcao8 with SMTP id ao8so63709617lbc.3 for ; Thu, 15 Oct 2015 01:38:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=aBilfBzypBOr2ZRFzx08V9xvTS7d/sA121TkbVMW/zM=; b=RPtltlOPbs0d7izjlvBPTCLO35drCNkqWHdT8YqaXwAHCapKd1ruE+dzo8VHdqXcm+ torIwDXkHIfwyId6Izb9c/obi2djiQlXzdTLCnB62gz6nYzWYtmi+rihyBKJHZ86WsLy ewaiQZ4kAtk1oJ6uDRUbzWDkonH8md4UKQRCPAFU5D55+ceorjA+iT+yBWVKeiPrDkFV o2eo3lHkUG2Q8nRWaOf3H7ILsLoVLDJDasyMpw8cdWCRf+yGWjhLZkuR2mwc4lMQJraD jpLSAVpzj5LG99SVZ44d5/H/ErRgbs7qLp3TSh5AGJJ/Cv9Zgrut1IPXhg8bqkXNhojX W97A== MIME-Version: 1.0 X-Received: by 10.112.132.74 with SMTP id os10mr3840752lbb.40.1444898328967; Thu, 15 Oct 2015 01:38:48 -0700 (PDT) Received: by 10.112.183.229 with HTTP; Thu, 15 Oct 2015 01:38:48 -0700 (PDT) In-Reply-To: <561CD83E.3010706@mehnert.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> <561CD83E.3010706@mehnert.org> Date: Thu, 15 Oct 2015 10:38:48 +0200 X-Google-Sender-Auth: Tzq3sZF9vSjr3zlU1jMhLIXkPzY Message-ID: From: "Christiano F. Haesbaert" To: Hannes Mehnert Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 12:09, Hannes Mehnert wrote: > On 10/13/2015 08:35, Christiano F. Haesbaert wrote: >> On 10 October 2015 at 17:56, Hannes Mehnert wrote: >>> I do have some questions, though: >>> - is there a way to programmatically create a configuration, rather than >>> providing a dhcpd.conf? would be great to be able to construct such a >>> config in config.ml (or use magic to derive one from a given interface >>> configuration) :) >> >> Ack, that I can arrange, shouldn't be too much trouble. > > Cool! > >>> - what is the purpose of having config abstracted over an INTERFACE? >> >> That is to abstract IO in/outside mirage, take a look at: >> >> https://github.com/haesbaert/charrua-unix/blob/master/src/charruad.ml#L65 > > But why should Config use any IO? Shouldn't it receive a string and > return a Config? Oh, that's because Config needs the interface ip addresses to build subnet records, it's not just the file parsed, that can be decoupled as well in the future. > >>> a) make a constructor for a server: val dhcp_ctx : config -> context >>> b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct.t >>> option * action list)` (which takes a (potential packet), and possibly >>> produces a reply for that, and maybe a list of actions (log events, >>> timers, ...) >> >> I think doing this for the packet IO case could be straight forward, >> since it's always input -> reply. >> >> But lets say you build a list of actions and whatnot, now what if >> another packet in the future comes which ends up making you cancel >> that timeout, so you return an action "cancel timeout X". >> >> Then the caller needs to know what timeout X is, and how to cancel it >> and so far, isn't that a lot of work ? > > While it might sound like 'a lot of work', it actually is being explicit > about which side effects should happen. And describing them in an > explicit style (using a sum type) makes the code easier to understand. > > I don't have experience which applying this style to protocols with > timers, it might turn out to be too troublesome; but I think we should > try it out :) I'm happy to try it out :P > > Certainly, someone who just wants to setup a DHCP server shouldn't be > pestered with these details, this is why a thin convenience layers > (using Lwt, Unix, Mirage, ...) are useful. > Ack. >> I think I can start pulling out the IO and doing as you suggested, at >> least for v0.2, that would alone remove the INTERFACE functors and the >> rest of the IO packet separation. > > \o/ > >> So my suggestion is the following for 0.2: >> >> 1 - Make the server take an input packet as argument and return the >> possible reply, thus removing IO from logic. Logs and Lease still stay >> as they are. > > A decent first step! > >> 2 - Work on persistent Lease as said before. >> 3 - Move the remaining Functors to something like Drup suggested. >> >> Then I can experiment on making the rest of the logic functionally pure as well. > > Cool! > >> In the meanwhile I would like to put charrua-mirage in >> mirage-skeletons/dhcp_server "as it is", so people have something to >> test and whatnot. How about ? > > I think this is a great idea (would really like to have a configuration > option which derives from the already statically configured IPv4 stack). > >> Yeah that would be great, I think once we pull the dhcp packet IO of >> the logic, that should be straightforward to do, then we can have a >> mirage-skeletons/dhcp_named or something. > > \o/ > >>> I started to write up some lessons learned from developing protocol >>> implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 >>> (feedback highly welcome, most likely I'm missing things). >>> >> >> Great, I read them but want to go over again with more calm. > > I'm happy to get feedback (and might turn this into something more > tutorial-style, maybe with more concrete examples?) > Great, this week has been a bit weird, so I'm slow to answer and still didn't go over the text again. > > 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 Oct 15 08:39:02 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 08:39:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zme3p-00087C-N5; Thu, 15 Oct 2015 08:38:53 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zme3n-000877-UG for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 08:38:52 +0000 Received: from [193.109.254.147] by server-6.bemta-14.messagelabs.com id 9D/74-16618-A166F165; Thu, 15 Oct 2015 08:38:50 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1444898329!21762183!1 X-Originating-IP: [209.85.217.176] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14051 invoked from network); 15 Oct 2015 08:38:49 -0000 Received: from mail-lb0-f176.google.com (HELO mail-lb0-f176.google.com) (209.85.217.176) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 08:38:49 -0000 Received: by lbcao8 with SMTP id ao8so63709617lbc.3 for ; Thu, 15 Oct 2015 01:38:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=aBilfBzypBOr2ZRFzx08V9xvTS7d/sA121TkbVMW/zM=; b=RPtltlOPbs0d7izjlvBPTCLO35drCNkqWHdT8YqaXwAHCapKd1ruE+dzo8VHdqXcm+ torIwDXkHIfwyId6Izb9c/obi2djiQlXzdTLCnB62gz6nYzWYtmi+rihyBKJHZ86WsLy ewaiQZ4kAtk1oJ6uDRUbzWDkonH8md4UKQRCPAFU5D55+ceorjA+iT+yBWVKeiPrDkFV o2eo3lHkUG2Q8nRWaOf3H7ILsLoVLDJDasyMpw8cdWCRf+yGWjhLZkuR2mwc4lMQJraD jpLSAVpzj5LG99SVZ44d5/H/ErRgbs7qLp3TSh5AGJJ/Cv9Zgrut1IPXhg8bqkXNhojX W97A== MIME-Version: 1.0 X-Received: by 10.112.132.74 with SMTP id os10mr3840752lbb.40.1444898328967; Thu, 15 Oct 2015 01:38:48 -0700 (PDT) Received: by 10.112.183.229 with HTTP; Thu, 15 Oct 2015 01:38:48 -0700 (PDT) In-Reply-To: <561CD83E.3010706@mehnert.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> <561CD83E.3010706@mehnert.org> Date: Thu, 15 Oct 2015 10:38:48 +0200 X-Google-Sender-Auth: Tzq3sZF9vSjr3zlU1jMhLIXkPzY Message-ID: From: "Christiano F. Haesbaert" To: Hannes Mehnert Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 12:09, Hannes Mehnert wrote: > On 10/13/2015 08:35, Christiano F. Haesbaert wrote: >> On 10 October 2015 at 17:56, Hannes Mehnert wrote: >>> I do have some questions, though: >>> - is there a way to programmatically create a configuration, rather than >>> providing a dhcpd.conf? would be great to be able to construct such a >>> config in config.ml (or use magic to derive one from a given interface >>> configuration) :) >> >> Ack, that I can arrange, shouldn't be too much trouble. > > Cool! > >>> - what is the purpose of having config abstracted over an INTERFACE? >> >> That is to abstract IO in/outside mirage, take a look at: >> >> https://github.com/haesbaert/charrua-unix/blob/master/src/charruad.ml#L65 > > But why should Config use any IO? Shouldn't it receive a string and > return a Config? Oh, that's because Config needs the interface ip addresses to build subnet records, it's not just the file parsed, that can be decoupled as well in the future. > >>> a) make a constructor for a server: val dhcp_ctx : config -> context >>> b) provide a `val handle : context -> Cstruct.t -> (context * Cstruct.t >>> option * action list)` (which takes a (potential packet), and possibly >>> produces a reply for that, and maybe a list of actions (log events, >>> timers, ...) >> >> I think doing this for the packet IO case could be straight forward, >> since it's always input -> reply. >> >> But lets say you build a list of actions and whatnot, now what if >> another packet in the future comes which ends up making you cancel >> that timeout, so you return an action "cancel timeout X". >> >> Then the caller needs to know what timeout X is, and how to cancel it >> and so far, isn't that a lot of work ? > > While it might sound like 'a lot of work', it actually is being explicit > about which side effects should happen. And describing them in an > explicit style (using a sum type) makes the code easier to understand. > > I don't have experience which applying this style to protocols with > timers, it might turn out to be too troublesome; but I think we should > try it out :) I'm happy to try it out :P > > Certainly, someone who just wants to setup a DHCP server shouldn't be > pestered with these details, this is why a thin convenience layers > (using Lwt, Unix, Mirage, ...) are useful. > Ack. >> I think I can start pulling out the IO and doing as you suggested, at >> least for v0.2, that would alone remove the INTERFACE functors and the >> rest of the IO packet separation. > > \o/ > >> So my suggestion is the following for 0.2: >> >> 1 - Make the server take an input packet as argument and return the >> possible reply, thus removing IO from logic. Logs and Lease still stay >> as they are. > > A decent first step! > >> 2 - Work on persistent Lease as said before. >> 3 - Move the remaining Functors to something like Drup suggested. >> >> Then I can experiment on making the rest of the logic functionally pure as well. > > Cool! > >> In the meanwhile I would like to put charrua-mirage in >> mirage-skeletons/dhcp_server "as it is", so people have something to >> test and whatnot. How about ? > > I think this is a great idea (would really like to have a configuration > option which derives from the already statically configured IPv4 stack). > >> Yeah that would be great, I think once we pull the dhcp packet IO of >> the logic, that should be straightforward to do, then we can have a >> mirage-skeletons/dhcp_named or something. > > \o/ > >>> I started to write up some lessons learned from developing protocol >>> implementations, https://gist.github.com/hannesm/8f2e19738c60163d5357 >>> (feedback highly welcome, most likely I'm missing things). >>> >> >> Great, I read them but want to go over again with more calm. > > I'm happy to get feedback (and might turn this into something more > tutorial-style, maybe with more concrete examples?) > Great, this week has been a bit weird, so I'm slow to answer and still didn't go over the text again. > > 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 Oct 15 08:42:12 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 08:42:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zme72-0000AM-CS; Thu, 15 Oct 2015 08:42:12 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zme70-0000AC-6t for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 08:42:10 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id F3/12-22142-1E66F165; Thu, 15 Oct 2015 08:42:09 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1444898528!42446777!1 X-Originating-IP: [209.85.217.178] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22704 invoked from network); 15 Oct 2015 08:42:08 -0000 Received: from mail-lb0-f178.google.com (HELO mail-lb0-f178.google.com) (209.85.217.178) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 08:42:08 -0000 Received: by lbbwb3 with SMTP id wb3so1573527lbb.1 for ; Thu, 15 Oct 2015 01:42:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=HnDhc2zwxf2mQchTKLfqv0gViDzxojTKYOa7fjzBH1g=; b=U5lg7OQyGJVri8iHN9TTLMdf+x7zMRE9j88k+uOOB70G8BRrdG2VZ8Zq3KP+r20fTm XaNwo3lNgME9d9zmXGRRGJQVE3ytGft7/IashBNtt5GsnWir+XJYaWK4m4dKvpHxxNhi 5Kxc41SLR+9MQKuKkb6qOFS0+Ta1jxfoDvLZdruLF3X7UWsrlr3G+R17xcNxbjZfKo32 akj+9yPzu9VI5HXJ0uT7ExoSP05MGr8rujumxWQd1pRSAdIAzvD9Ubx/LZC/lUMbto45 kwyAtrCtTlUrWGMhGSMzVuZ3rXqbwnLoSSlMLEWDMiQ4cBshMnQx33FDQ3AxpNZw7VYY oZ8A== MIME-Version: 1.0 X-Received: by 10.112.72.193 with SMTP id f1mr3916990lbv.12.1444898528115; Thu, 15 Oct 2015 01:42:08 -0700 (PDT) Received: by 10.112.183.229 with HTTP; Thu, 15 Oct 2015 01:42:08 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> <561CD83E.3010706@mehnert.org> Date: Thu, 15 Oct 2015 10:42:08 +0200 X-Google-Sender-Auth: IR8Wqpa4TvFwhfRydIsNJWcfhu4 Message-ID: From: "Christiano F. Haesbaert" To: Amir Chaudhry Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTMgT2N0b2JlciAyMDE1IGF0IDEzOjE4LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMu dWs+IHdyb3RlOgo+Cj4+IE9uIDEzIE9jdCAyMDE1LCBhdCAxMTowOSwgSGFubmVzIE1laG5lcnQg PGhhbm5lc0BtZWhuZXJ0Lm9yZz4gd3JvdGU6Cj4+Cj4+IE9uIDEwLzEzLzIwMTUgMDg6MzUsIENo cmlzdGlhbm8gRi4gSGFlc2JhZXJ0IHdyb3RlOgo+Pj4gT24gMTAgT2N0b2JlciAyMDE1IGF0IDE3 OjU2LCBIYW5uZXMgTWVobmVydCA8aGFubmVzQG1laG5lcnQub3JnPiB3cm90ZToKPj4+PiBJIGRv IGhhdmUgc29tZSBxdWVzdGlvbnMsIHRob3VnaDoKPj4+PiAtIGlzIHRoZXJlIGEgd2F5IHRvIHBy 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([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zme70-0000AC-6t for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 08:42:10 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id F3/12-22142-1E66F165; Thu, 15 Oct 2015 08:42:09 +0000 X-Env-Sender: christiano.fh@gmail.com X-Msg-Ref: server-4.tower-206.messagelabs.com!1444898528!42446777!1 X-Originating-IP: [209.85.217.178] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22704 invoked from network); 15 Oct 2015 08:42:08 -0000 Received: from mail-lb0-f178.google.com (HELO mail-lb0-f178.google.com) (209.85.217.178) by server-4.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 08:42:08 -0000 Received: by lbbwb3 with SMTP id wb3so1573527lbb.1 for ; Thu, 15 Oct 2015 01:42:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; 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Message-ID: From: "Christiano F. Haesbaert" To: Amir Chaudhry Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTMgT2N0b2JlciAyMDE1IGF0IDEzOjE4LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMu dWs+IHdyb3RlOgo+Cj4+IE9uIDEzIE9jdCAyMDE1LCBhdCAxMTowOSwgSGFubmVzIE1laG5lcnQg PGhhbm5lc0BtZWhuZXJ0Lm9yZz4gd3JvdGU6Cj4+Cj4+IE9uIDEwLzEzLzIwMTUgMDg6MzUsIENo cmlzdGlhbm8gRi4gSGFlc2JhZXJ0IHdyb3RlOgo+Pj4gT24gMTAgT2N0b2JlciAyMDE1IGF0IDE3 OjU2LCBIYW5uZXMgTWVobmVydCA8aGFubmVzQG1laG5lcnQub3JnPiB3cm90ZToKPj4+PiBJIGRv IGhhdmUgc29tZSBxdWVzdGlvbnMsIHRob3VnaDoKPj4+PiAtIGlzIHRoZXJlIGEgd2F5IHRvIHBy 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([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmiGe-0003Bk-9C for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 13:08:24 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 59/CC-01421-745AF165; Thu, 15 Oct 2015 13:08:23 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-5.tower-31.messagelabs.com!1444914502!53581088!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25362 invoked from network); 15 Oct 2015 13:08:22 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 15 Oct 2015 13:08:22 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [10.248.180.114] (port=65115) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:465) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1ZmiGb-0006XY-X8 (Exim 4.86_36-e07b163) (return-path ); Thu, 15 Oct 2015 14:08:21 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Thu, 15 Oct 2015 14:08:22 +0100 Message-Id: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> <561CD83E.3010706@mehnert.org> To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cj4gT24gMTUgT2N0IDIwMTUsIGF0IDA5OjQyLCBDaHJpc3RpYW5vIEYuIEhhZXNiYWVydCA8aGFl c2JhZXJ0QGhhZXNiYWVydC5vcmc+IHdyb3RlOgo+IAo+IE9uIDEzIE9jdG9iZXIgMjAxNSBhdCAx MzoxOCwgQW1pciBDaGF1ZGhyeSA8YW1jNzlAY2FtLmFjLnVrPiB3cm90ZToKPj4gCj4+IENocmlz dGlhbm8sIGl0IHdvdWxkIGJlIGdyZWF0IHRvIGhhdmUgYSBibG9nIHBvc3QgdG8gYWNjb21wYW55 IHdoYXRldmVyIGlzIGFkZGVkIHRvIG1pcmFnZS1za2VsZXRvbi4gIFdvdWxkIHlvdSBiZSBhYmxl IHRvIGRvIHRoaXM/IEnigJltIGhhcHB5IHRvIHByb29mLXJlYWQgYW5kIGhlbHAgb3V0IG9uY2Ug dGhlcmXigJlzIGFuIGluaXRpYWwgZHJhZnQuCj4+IAo+IAo+IEF3ZXNvbWUgIQo+IAo+IFN1cmUg dGhpbmcsIEknbGwgdHJ5IHRvIGhhdmUgc29tZXRoaW5nIGJ5IFNhdHVyZGF5LCBzb3JyeSBmb3Ig dGhlCj4gZGVsYXkgaW4gYW5zd2VyaW5nLgo+IAo+IFNvIHRoZSBibG9nIHBvc3Qgd291bGQgY29u dGFpbiBzb21lIGludHJvZHVjdGlvbiBhbmQgYSBob3ctdG8gPyBDb3VsZAo+IHlvdSBwb2ludCBt ZSB0byBzb21lIGJsb2cgZW50cnkgd2hpY2ggaXMgYW5hbG9ndWUgdG8gd2hhdCB0aGlzIHdvdWxk Cj4gYmUgPyBKdXN0IHNvIHRoYXQgSSBoYXZlIGEgY2xlYXJlciBpZGVhLgoKWW91IG1pZ2h0IGZp bmQgaXQgdXNlZnVsIHRvIHNraW0gb3ZlciBzb21lIGV4YW1wbGVzIGZyb20gdGhlIGJsb2c6Cihp biByZXZlcnNlIGNocm9ub2xvZ2ljYWwgb3JkZXIpCgotIG1pcmFnZS1zZWFsIC0gaHR0cHM6Ly9t aXJhZ2UuaW8vYmxvZy9taXJhZ2Utc2VhbCAKLSBJcm1pbiAtIGh0dHBzOi8vbWlyYWdlLmlvL2Js b2cvaW50cm9kdWNpbmctaXJtaW4KLSBUQ1AvSVAgc3RhY2sgLSBodHRwczovL21pcmFnZS5pby9i bG9nL2ludHJvLXRjcGlwCi0gdmNoYW4gLSBodHRwczovL21pcmFnZS5pby9ibG9nL3VwZGF0ZS1v bi12Y2hhbgotIGN0eXBlcyAtIGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvbW9kdWxhci1mb3JlaWdu LWZ1bmN0aW9uLWJpbmRpbmdzCi0gVGhlIFRMUyBzZXJpZXMsIHdoZXJlIGVhY2ggcG9zdCBjb3Zl cmVkIGRpZmZlcmVudCBsaWJzIC0gc3RhcnQgYXQ6IGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvaW50 cm9kdWNpbmctb2NhbWwtdGxzCgpZb3XigJlsbCBub3RpY2UgdGhhdCBzb21lIG9mIHRoZXNlIGFy ZSBtb3JlIGFib3V0IHVzYWdlIGFuZCBvdGhlcnMgY29udGFpbiBtdWNoIG1vcmUgYmFja2dyb3Vu ZCBhbmQgbW90aXZhdGlvbi4gIEl04oCZcyB1cCB0byB5b3UgdG8gZGVjaWRlIHdoYXQgbGV2ZWwg b2YgZGVwdGggeW91IHdhbnQgdG8gZ2V0IHRvLCBhbmQgSSB0aGluayB5b3VyIGFwcHJvYWNoIG9m ICdpbnRybyArIGhvdy10bycgd291bGQgd29yayB3ZWxsLgoKR2V0dGluZyBhIGRyYWZ0IGJ5IFNh dHVyZGF5IHdvdWxkIGJlIGZhbnRhc3RpYyEgSSBjYW4gbWFrZSBzdXJlIEkgaGF2ZSB0aW1lIHRv IHJldmlldyBvbiBTdW5kYXkgYW5kIEnigJltIHN1cmUgb3RoZXJzIHdpbGwgYWxzbyBiZSBoYXBw eSB0byBwcm92aWRlIGZlZWRiYWNrLgoKTG9va2luZyBmb3J3YXJkIHRvIGl0IQpBbWlyCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2 ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3Mt ZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Oct 15 13:08:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 13:08:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmiGe-0003Bp-Ly; Thu, 15 Oct 2015 13:08:24 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmiGe-0003Bk-9C for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 13:08:24 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 59/CC-01421-745AF165; Thu, 15 Oct 2015 13:08:23 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-5.tower-31.messagelabs.com!1444914502!53581088!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25362 invoked from network); 15 Oct 2015 13:08:22 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 15 Oct 2015 13:08:22 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from [10.248.180.114] (port=65115) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:465) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1ZmiGb-0006XY-X8 (Exim 4.86_36-e07b163) (return-path ); Thu, 15 Oct 2015 14:08:21 +0100 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Thu, 15 Oct 2015 14:08:22 +0100 Message-Id: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <56193532.4030301@mehnert.org> <561CD83E.3010706@mehnert.org> To: "Christiano F. Haesbaert" X-Mailer: Apple Mail (2.2104) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cj4gT24gMTUgT2N0IDIwMTUsIGF0IDA5OjQyLCBDaHJpc3RpYW5vIEYuIEhhZXNiYWVydCA8aGFl c2JhZXJ0QGhhZXNiYWVydC5vcmc+IHdyb3RlOgo+IAo+IE9uIDEzIE9jdG9iZXIgMjAxNSBhdCAx MzoxOCwgQW1pciBDaGF1ZGhyeSA8YW1jNzlAY2FtLmFjLnVrPiB3cm90ZToKPj4gCj4+IENocmlz dGlhbm8sIGl0IHdvdWxkIGJlIGdyZWF0IHRvIGhhdmUgYSBibG9nIHBvc3QgdG8gYWNjb21wYW55 IHdoYXRldmVyIGlzIGFkZGVkIHRvIG1pcmFnZS1za2VsZXRvbi4gIFdvdWxkIHlvdSBiZSBhYmxl IHRvIGRvIHRoaXM/IEnigJltIGhhcHB5IHRvIHByb29mLXJlYWQgYW5kIGhlbHAgb3V0IG9uY2Ug dGhlcmXigJlzIGFuIGluaXRpYWwgZHJhZnQuCj4+IAo+IAo+IEF3ZXNvbWUgIQo+IAo+IFN1cmUg dGhpbmcsIEknbGwgdHJ5IHRvIGhhdmUgc29tZXRoaW5nIGJ5IFNhdHVyZGF5LCBzb3JyeSBmb3Ig dGhlCj4gZGVsYXkgaW4gYW5zd2VyaW5nLgo+IAo+IFNvIHRoZSBibG9nIHBvc3Qgd291bGQgY29u dGFpbiBzb21lIGludHJvZHVjdGlvbiBhbmQgYSBob3ctdG8gPyBDb3VsZAo+IHlvdSBwb2ludCBt ZSB0byBzb21lIGJsb2cgZW50cnkgd2hpY2ggaXMgYW5hbG9ndWUgdG8gd2hhdCB0aGlzIHdvdWxk Cj4gYmUgPyBKdXN0IHNvIHRoYXQgSSBoYXZlIGEgY2xlYXJlciBpZGVhLgoKWW91IG1pZ2h0IGZp bmQgaXQgdXNlZnVsIHRvIHNraW0gb3ZlciBzb21lIGV4YW1wbGVzIGZyb20gdGhlIGJsb2c6Cihp biByZXZlcnNlIGNocm9ub2xvZ2ljYWwgb3JkZXIpCgotIG1pcmFnZS1zZWFsIC0gaHR0cHM6Ly9t aXJhZ2UuaW8vYmxvZy9taXJhZ2Utc2VhbCAKLSBJcm1pbiAtIGh0dHBzOi8vbWlyYWdlLmlvL2Js b2cvaW50cm9kdWNpbmctaXJtaW4KLSBUQ1AvSVAgc3RhY2sgLSBodHRwczovL21pcmFnZS5pby9i bG9nL2ludHJvLXRjcGlwCi0gdmNoYW4gLSBodHRwczovL21pcmFnZS5pby9ibG9nL3VwZGF0ZS1v bi12Y2hhbgotIGN0eXBlcyAtIGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvbW9kdWxhci1mb3JlaWdu LWZ1bmN0aW9uLWJpbmRpbmdzCi0gVGhlIFRMUyBzZXJpZXMsIHdoZXJlIGVhY2ggcG9zdCBjb3Zl cmVkIGRpZmZlcmVudCBsaWJzIC0gc3RhcnQgYXQ6IGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvaW50 cm9kdWNpbmctb2NhbWwtdGxzCgpZb3XigJlsbCBub3RpY2UgdGhhdCBzb21lIG9mIHRoZXNlIGFy ZSBtb3JlIGFib3V0IHVzYWdlIGFuZCBvdGhlcnMgY29udGFpbiBtdWNoIG1vcmUgYmFja2dyb3Vu ZCBhbmQgbW90aXZhdGlvbi4gIEl04oCZcyB1cCB0byB5b3UgdG8gZGVjaWRlIHdoYXQgbGV2ZWwg b2YgZGVwdGggeW91IHdhbnQgdG8gZ2V0IHRvLCBhbmQgSSB0aGluayB5b3VyIGFwcHJvYWNoIG9m ICdpbnRybyArIGhvdy10bycgd291bGQgd29yayB3ZWxsLgoKR2V0dGluZyBhIGRyYWZ0IGJ5IFNh dHVyZGF5IHdvdWxkIGJlIGZhbnRhc3RpYyEgSSBjYW4gbWFrZSBzdXJlIEkgaGF2ZSB0aW1lIHRv IHJldmlldyBvbiBTdW5kYXkgYW5kIEnigJltIHN1cmUgb3RoZXJzIHdpbGwgYWxzbyBiZSBoYXBw eSB0byBwcm92aWRlIGZlZWRiYWNrLgoKTG9va2luZyBmb3J3YXJkIHRvIGl0IQpBbWlyCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2 ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3Mt ZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Thu Oct 15 13:25:17 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 13:25:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmiWv-0003kE-U6; Thu, 15 Oct 2015 13:25:13 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmiWv-0003k9-D8 for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 13:25:13 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 60/39-22089-839AF165; Thu, 15 Oct 2015 13:25:12 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1444915511!42513587!1 X-Originating-IP: [209.85.213.44] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12543 invoked from network); 15 Oct 2015 13:25:12 -0000 Received: from mail-vk0-f44.google.com (HELO mail-vk0-f44.google.com) (209.85.213.44) by server-12.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 13:25:12 -0000 Received: by vkha6 with SMTP id a6so48765146vkh.2 for ; Thu, 15 Oct 2015 06:25:11 -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=TZYrAflyXz7pHQdtq1s1tcHqGnvbz78Dy3AYnapJodk=; b=a95ekQNEuozGFrKtEq7ESGpHbwLJu48ynPjUK9WN9cUp7OtwD1gHlDQoEsNN6KZCo/ ExsNyNI9V3zqzi9Xuja3LLdTPUXwbDPpn2dwyO9Lm9TWki/jbSMehd0kUX3u2zswlTJn dM/JzWI5bVkmKR7VqQ2/PEp9x07bVPvGfU5d96aGRcGl4krEZ3bIStR13stpjPjX8bu1 14eU6I5QD3IZ017rzrynEFmuaOWuttFC4x4WNJSd5ldk67vgez/LXcOAf1Oae00IT2y1 R+kiGBKH/XfpF5Vj5sY42VInD3v3MxHTTznheXIm+EMUvGuUdc8iikZTTZ2Oz/8004lh fI8Q== MIME-Version: 1.0 X-Received: by 10.31.142.142 with SMTP id q136mr5772448vkd.41.1444915511012; Thu, 15 Oct 2015 06:25:11 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Thu, 15 Oct 2015 06:25:10 -0700 (PDT) Date: Thu, 15 Oct 2015 14:25:10 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 been thinking about about GC in Irmin, and the effect it will have on the API. The basic problem we have at present is that adding things to the internal stores (via the BC.Private APIs) only returns a hash. Nothing prevents a garbage collection run from immediately removing the thing you just added! These private interfaces are used by Ir_view and Ir_sync, for example. Proposal: - Irmin should provide a smallish GC-safe core (BC?) that hides the internal stores completely and provides an API that will not GC data you're using. This API will distinguish between a "commit ID" (which might or might not represent a commit in the repository) and a "commit" (which refers to a commit in the repository and will prevent it from being removed as long as you keep an OCaml reference to it). - The core will need to provide named branches, commits and mutable indexes/staging-areas that act as GC roots. - Ir_view and Ir_sync should be implemented on top of this API, so they don't have to worry about GC. Higher-level operations such as merge should probably move to Ir_view too. Issues: - A "commit" should keep its contents (trees and blobs) from being GC'd, but what about its parents? If we want to allow shallow clones, we might need to allow for a commit's parents to be missing. - GC with remote HTTP stores could be tricky. For custom protocols, GC can be linked to the TCP connection, but HTTP is often spread over multiple connections. Probably OK for the high-level API, but we might have to remove the low one (I'm not very familiar with this REST API, and so might be confused). - If the user runs "git gc" manually on a Git-format store then all bets are off, of course. Likewise if you have a store shared by multiple processes. Thoughts? -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 15 13:25:17 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 13:25:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmiWv-0003kE-U6; Thu, 15 Oct 2015 13:25:13 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmiWv-0003k9-D8 for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 13:25:13 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id 60/39-22089-839AF165; Thu, 15 Oct 2015 13:25:12 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1444915511!42513587!1 X-Originating-IP: [209.85.213.44] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12543 invoked from network); 15 Oct 2015 13:25:12 -0000 Received: from mail-vk0-f44.google.com (HELO mail-vk0-f44.google.com) (209.85.213.44) by server-12.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 13:25:12 -0000 Received: by vkha6 with SMTP id a6so48765146vkh.2 for ; Thu, 15 Oct 2015 06:25:11 -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=TZYrAflyXz7pHQdtq1s1tcHqGnvbz78Dy3AYnapJodk=; b=a95ekQNEuozGFrKtEq7ESGpHbwLJu48ynPjUK9WN9cUp7OtwD1gHlDQoEsNN6KZCo/ ExsNyNI9V3zqzi9Xuja3LLdTPUXwbDPpn2dwyO9Lm9TWki/jbSMehd0kUX3u2zswlTJn dM/JzWI5bVkmKR7VqQ2/PEp9x07bVPvGfU5d96aGRcGl4krEZ3bIStR13stpjPjX8bu1 14eU6I5QD3IZ017rzrynEFmuaOWuttFC4x4WNJSd5ldk67vgez/LXcOAf1Oae00IT2y1 R+kiGBKH/XfpF5Vj5sY42VInD3v3MxHTTznheXIm+EMUvGuUdc8iikZTTZ2Oz/8004lh fI8Q== MIME-Version: 1.0 X-Received: by 10.31.142.142 with SMTP id q136mr5772448vkd.41.1444915511012; Thu, 15 Oct 2015 06:25:11 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Thu, 15 Oct 2015 06:25:10 -0700 (PDT) Date: Thu, 15 Oct 2015 14:25:10 +0100 Message-ID: From: Thomas Leonard To: "mirageos-devel@lists.xenproject.org" Subject: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 been thinking about about GC in Irmin, and the effect it will have on the API. The basic problem we have at present is that adding things to the internal stores (via the BC.Private APIs) only returns a hash. Nothing prevents a garbage collection run from immediately removing the thing you just added! These private interfaces are used by Ir_view and Ir_sync, for example. Proposal: - Irmin should provide a smallish GC-safe core (BC?) that hides the internal stores completely and provides an API that will not GC data you're using. This API will distinguish between a "commit ID" (which might or might not represent a commit in the repository) and a "commit" (which refers to a commit in the repository and will prevent it from being removed as long as you keep an OCaml reference to it). - The core will need to provide named branches, commits and mutable indexes/staging-areas that act as GC roots. - Ir_view and Ir_sync should be implemented on top of this API, so they don't have to worry about GC. Higher-level operations such as merge should probably move to Ir_view too. Issues: - A "commit" should keep its contents (trees and blobs) from being GC'd, but what about its parents? If we want to allow shallow clones, we might need to allow for a commit's parents to be missing. - GC with remote HTTP stores could be tricky. For custom protocols, GC can be linked to the TCP connection, but HTTP is often spread over multiple connections. Probably OK for the high-level API, but we might have to remove the low one (I'm not very familiar with this REST API, and so might be confused). - If the user runs "git gc" manually on a Git-format store then all bets are off, of course. Likewise if you have a store shared by multiple processes. Thoughts? -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 15 14:02:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:02:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmj72-0006DW-Gq; Thu, 15 Oct 2015 14:02:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmj70-0006DR-NF for MirageOS-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:02:30 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 36/C0-24856-5F1BF165; Thu, 15 Oct 2015 14:02:29 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1444917745!42523215!1 X-Originating-IP: [209.85.217.174] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11706 invoked from network); 15 Oct 2015 14:02:27 -0000 Received: from mail-lb0-f174.google.com (HELO mail-lb0-f174.google.com) (209.85.217.174) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 14:02:27 -0000 Received: by lbwr8 with SMTP id r8so69585748lbw.2 for ; Thu, 15 Oct 2015 07:02:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=SRV6GTKHquGJqgIRHemsa0b5xPmtND8FAv9P0+RJ0Bc=; b=XKn7zhQmyFWGOhh/uvLCtjM9CGTPfh442NYr4iN88rq6Y/aqRX2DjUUsR5RzG9WVKI sXUQc7G7mDfmqui2vosu9I1Gsrgt7FYJTc6P923ZC93Yy2zjVyGx2RFCgZgxbPA1KdN5 U60chss9fWHxLarhEQkiLjBRuxsKBg36vjssBo2pVThoVjQvG+VbffftWDEiBLR6KktO N/virKQuw9Jw5F1IMm3pBryhnmN5TgMglVy9PRYlOv2LYFWyL5hRsugD6kTQFE5ORsfi a8l992PUfLWE5UahgTAKpLS5Qk4kC4hyNjFR6HeSjxQe8thpUglvj0PUrMuE60y7lxfy MWqQ== X-Received: by 10.180.75.47 with SMTP id z15mr23643459wiv.36.1444917372040; Thu, 15 Oct 2015 06:56:12 -0700 (PDT) Received: from mail-wi0-f181.google.com (mail-wi0-f181.google.com. [209.85.212.181]) by smtp.gmail.com with ESMTPSA id fz1sm11551956wic.8.2015.10.15.06.56.10 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Oct 2015 06:56:11 -0700 (PDT) Received: by wijp11 with SMTP id p11so31318239wij.0 for ; Thu, 15 Oct 2015 06:56:10 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.104.6 with SMTP id ga6mr846657wib.46.1444917370683; Thu, 15 Oct 2015 06:56:10 -0700 (PDT) Received: by 10.28.51.3 with HTTP; Thu, 15 Oct 2015 06:56:10 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Thu, 15 Oct 2015 14:56:10 +0100 Message-ID: From: Richard Mortier To: "Christiano F. Haesbaert" Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 11:05, Christiano F. Haesbaert wrote: >>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>> tcpip as well so that you don't need to include "cstruct udp" et al.) ... > > So I gave a stab at this, but it seemed pointless without the cenum > conversion, the only thing left would be a cstruct Dhcp. > I had a look on your tftp library, and it seems all the parsing and > such is in tftp.wire itself, while mine is in dhcp.ml, I only use a > Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct > definitions play nice with merlin. > Should we keep both ? I like the idea of a Dhcp module, and I think > that is more important to be a separate library than the Dhcp_wire, or > maybe both should be separated ? > I'm starting the cenum conversion and that might shed some light on > how to proceed. FWIW my motivation was: there are cases where one wishes to parse (or generate) structures without needing to implement server/client. The initial motivation was a reimplementation of a tcpdump-like facility, as used by (eg) ocaml-dns for its unit tests. Hence, putting all code dealing with the wire-to-OCaml interface in Tftp_wire, and then (I'm currently fiddling with this, slowly) all the state machine logic in Tftp_S with the intent of having a Mirage unikernel implementation that uses Tftp_S to create a server instance (basically by bridging IO into Tftp_S). (But I welcome better ideas how to structure all this!) -- Richard Mortier richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel 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 Oct 15 14:02:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:02:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmj72-0006DW-Gq; Thu, 15 Oct 2015 14:02:32 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmj70-0006DR-NF for MirageOS-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:02:30 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id 36/C0-24856-5F1BF165; Thu, 15 Oct 2015 14:02:29 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-8.tower-206.messagelabs.com!1444917745!42523215!1 X-Originating-IP: [209.85.217.174] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11706 invoked from network); 15 Oct 2015 14:02:27 -0000 Received: from mail-lb0-f174.google.com (HELO mail-lb0-f174.google.com) (209.85.217.174) by server-8.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 14:02:27 -0000 Received: by lbwr8 with SMTP id r8so69585748lbw.2 for ; Thu, 15 Oct 2015 07:02:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=SRV6GTKHquGJqgIRHemsa0b5xPmtND8FAv9P0+RJ0Bc=; b=XKn7zhQmyFWGOhh/uvLCtjM9CGTPfh442NYr4iN88rq6Y/aqRX2DjUUsR5RzG9WVKI sXUQc7G7mDfmqui2vosu9I1Gsrgt7FYJTc6P923ZC93Yy2zjVyGx2RFCgZgxbPA1KdN5 U60chss9fWHxLarhEQkiLjBRuxsKBg36vjssBo2pVThoVjQvG+VbffftWDEiBLR6KktO N/virKQuw9Jw5F1IMm3pBryhnmN5TgMglVy9PRYlOv2LYFWyL5hRsugD6kTQFE5ORsfi a8l992PUfLWE5UahgTAKpLS5Qk4kC4hyNjFR6HeSjxQe8thpUglvj0PUrMuE60y7lxfy MWqQ== X-Received: by 10.180.75.47 with SMTP id z15mr23643459wiv.36.1444917372040; Thu, 15 Oct 2015 06:56:12 -0700 (PDT) Received: from mail-wi0-f181.google.com (mail-wi0-f181.google.com. [209.85.212.181]) by smtp.gmail.com with ESMTPSA id fz1sm11551956wic.8.2015.10.15.06.56.10 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Oct 2015 06:56:11 -0700 (PDT) Received: by wijp11 with SMTP id p11so31318239wij.0 for ; Thu, 15 Oct 2015 06:56:10 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.104.6 with SMTP id ga6mr846657wib.46.1444917370683; Thu, 15 Oct 2015 06:56:10 -0700 (PDT) Received: by 10.28.51.3 with HTTP; Thu, 15 Oct 2015 06:56:10 -0700 (PDT) In-Reply-To: References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> Date: Thu, 15 Oct 2015 14:56:10 +0100 Message-ID: From: Richard Mortier To: "Christiano F. Haesbaert" Cc: mirageos-devel , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 11:05, Christiano F. Haesbaert wrote: >>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>> tcpip as well so that you don't need to include "cstruct udp" et al.) ... > > So I gave a stab at this, but it seemed pointless without the cenum > conversion, the only thing left would be a cstruct Dhcp. > I had a look on your tftp library, and it seems all the parsing and > such is in tftp.wire itself, while mine is in dhcp.ml, I only use a > Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct > definitions play nice with merlin. > Should we keep both ? I like the idea of a Dhcp module, and I think > that is more important to be a separate library than the Dhcp_wire, or > maybe both should be separated ? > I'm starting the cenum conversion and that might shed some light on > how to proceed. FWIW my motivation was: there are cases where one wishes to parse (or generate) structures without needing to implement server/client. The initial motivation was a reimplementation of a tcpdump-like facility, as used by (eg) ocaml-dns for its unit tests. Hence, putting all code dealing with the wire-to-OCaml interface in Tftp_wire, and then (I'm currently fiddling with this, slowly) all the state machine logic in Tftp_S with the intent of having a Mirage unikernel implementation that uses Tftp_S to create a server instance (basically by bridging IO into Tftp_S). (But I welcome better ideas how to structure all this!) -- Richard Mortier richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel 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 Oct 15 14:06:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:06:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjB8-0006cG-T0; Thu, 15 Oct 2015 14:06:46 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjB7-0006Rp-VW for MirageOS-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:06:46 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 99/77-00475-0F2BF165; Thu, 15 Oct 2015 14:06:40 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-27.messagelabs.com!1444917999!32107081!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22762 invoked from network); 15 Oct 2015 14:06:39 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-13.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 15 Oct 2015 14:06:39 -0000 Received: from [10.248.161.162] (global-5-149.nat-2.net.cam.ac.uk [131.111.5.149]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 8794f5fd TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 15 Oct 2015 15:06:38 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 15 Oct 2015 15:06:37 +0100 Message-Id: <5B267A3D-5A16-4B09-853A-6BEF4597257F@recoil.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> To: Richard Mortier X-Mailer: Apple Mail (2.3094) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 14:56, Richard Mortier wrote: > > On 6 October 2015 at 11:05, Christiano F. Haesbaert > wrote: >>>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>>> tcpip as well so that you don't need to include "cstruct udp" et al.) > ... >> >> So I gave a stab at this, but it seemed pointless without the cenum >> conversion, the only thing left would be a cstruct Dhcp. >> I had a look on your tftp library, and it seems all the parsing and >> such is in tftp.wire itself, while mine is in dhcp.ml, I only use a >> Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct >> definitions play nice with merlin. >> Should we keep both ? I like the idea of a Dhcp module, and I think >> that is more important to be a separate library than the Dhcp_wire, or >> maybe both should be separated ? >> I'm starting the cenum conversion and that might shed some light on >> how to proceed. > > FWIW my motivation was: there are cases where one wishes to parse (or > generate) structures without needing to implement server/client. The > initial motivation was a reimplementation of a tcpdump-like facility, > as used by (eg) ocaml-dns for its unit tests. > > Hence, putting all code dealing with the wire-to-OCaml interface in > Tftp_wire, and then (I'm currently fiddling with this, slowly) all the > state machine logic in Tftp_S with the intent of having a Mirage > unikernel implementation that uses Tftp_S to create a server instance > (basically by bridging IO into Tftp_S). I think the convention of a `protocol.wire` ocamlfind sub-package sounds fine. -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 Oct 15 14:06:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:06:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjB8-0006cG-T0; Thu, 15 Oct 2015 14:06:46 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjB7-0006Rp-VW for MirageOS-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:06:46 +0000 Received: from [193.109.254.147] by server-5.bemta-14.messagelabs.com id 99/77-00475-0F2BF165; Thu, 15 Oct 2015 14:06:40 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-13.tower-27.messagelabs.com!1444917999!32107081!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22762 invoked from network); 15 Oct 2015 14:06:39 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-13.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 15 Oct 2015 14:06:39 -0000 Received: from [10.248.161.162] (global-5-149.nat-2.net.cam.ac.uk [131.111.5.149]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 8794f5fd TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 15 Oct 2015 15:06:38 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: Date: Thu, 15 Oct 2015 15:06:37 +0100 Message-Id: <5B267A3D-5A16-4B09-853A-6BEF4597257F@recoil.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> To: Richard Mortier X-Mailer: Apple Mail (2.3094) Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 14:56, Richard Mortier wrote: > > On 6 October 2015 at 11:05, Christiano F. Haesbaert > wrote: >>>>> + Could you pull out Dhcp_structs into a separate ocamlfind library (i >>>>> tried tftp.wire for my Tftp lib) so that the structs can be reused (eg >>>>> in a packet parsing libpcap-alike)? (One day this will happen for >>>>> tcpip as well so that you don't need to include "cstruct udp" et al.) > ... >> >> So I gave a stab at this, but it seemed pointless without the cenum >> conversion, the only thing left would be a cstruct Dhcp. >> I had a look on your tftp library, and it seems all the parsing and >> such is in tftp.wire itself, while mine is in dhcp.ml, I only use a >> Dhcp_structs (which now I renamed to Dhcp_wire) so that the cstruct >> definitions play nice with merlin. >> Should we keep both ? I like the idea of a Dhcp module, and I think >> that is more important to be a separate library than the Dhcp_wire, or >> maybe both should be separated ? >> I'm starting the cenum conversion and that might shed some light on >> how to proceed. > > FWIW my motivation was: there are cases where one wishes to parse (or > generate) structures without needing to implement server/client. The > initial motivation was a reimplementation of a tcpdump-like facility, > as used by (eg) ocaml-dns for its unit tests. > > Hence, putting all code dealing with the wire-to-OCaml interface in > Tftp_wire, and then (I'm currently fiddling with this, slowly) all the > state machine logic in Tftp_S with the intent of having a Mirage > unikernel implementation that uses Tftp_S to create a server instance > (basically by bridging IO into Tftp_S). I think the convention of a `protocol.wire` ocamlfind sub-package sounds fine. -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 Oct 15 14:17:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:17:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjKw-0006uF-Ow; Thu, 15 Oct 2015 14:16:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjKw-0006uA-3R for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:16:54 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 78/35-01421-555BF165; Thu, 15 Oct 2015 14:16:53 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1444918611!21583268!1 X-Originating-IP: [209.85.215.43] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30601 invoked from network); 15 Oct 2015 14:16:52 -0000 Received: from mail-lf0-f43.google.com (HELO mail-lf0-f43.google.com) (209.85.215.43) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 14:16:52 -0000 Received: by lffv3 with SMTP id v3so29137760lff.0 for ; Thu, 15 Oct 2015 07:16:51 -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=n81hMD64jeqgw/+etgGmjKD8MXQLkfyCSMVzepVGhFQ=; b=aFiGQ5eAu+2OFFSiqIYV5nzOLwsVDfEn7ckCOsUqP1+XYG6sjcnzfsPXpxEgVP1J9+ pjJxHU/gieEFR5EYW/It6/2Oq4uOL1/NvKMQA560C1q8cjxSNZeWojwwrfUX6nFvDg5a xQix7AGVI35T8FkaMNtlPfZjTHCz3Z52F8uTtg1FF90SKHnIFc7wT8qo44YdY+lSJDGv STkGDppuVXAJd+QspmI/8N3K5fWH16UDwDyzJ/vaBcELGI5wH9AYeRdHH0b9cDx5+ygX bsk5d5KGe9QL5zwT5JgvWIT6afJti1c6hfc7lkh3pCAPMCpIK1MZuhZrcRgL127ImWSp UCRA== X-Received: by 10.180.182.84 with SMTP id ec20mr11684578wic.42.1444918611550; Thu, 15 Oct 2015 07:16:51 -0700 (PDT) Received: from [10.248.164.148] (global-5-149.nat-2.net.cam.ac.uk. [131.111.5.149]) by smtp.gmail.com with ESMTPSA id qh12sm17359857wic.20.2015.10.15.07.16.50 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 15 Oct 2015 07:16:50 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 15 Oct 2015 15:16:47 +0100 Message-Id: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 > Proposal: > > - Irmin should provide a smallish GC-safe core (BC?) that hides the > internal stores completely and provides an API that will not GC data > you're using. This API will distinguish between a "commit ID" (which > might or might not represent a commit in the repository) and a > "commit" (which refers to a commit in the repository and will prevent > it from being removed as long as you keep an OCaml reference to it). > > - The core will need to provide named branches, commits and mutable > indexes/staging-areas that act as GC roots. > > - Ir_view and Ir_sync should be implemented on top of this API, so > they don't have to worry about GC. Higher-level operations such as > merge should probably move to Ir_view too. I am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? I fully agree about the GC-safe core and making Ir_view and Ir_sync use them. > Issues: > > - A "commit" should keep its contents (trees and blobs) from being > GC'd, but what about its parents? If we want to allow shallow clones, > we might need to allow for a commit's parents to be missing. Support for shallow clone is a needed feature I think for performance reasons but I think can be separated from GC issues (e.g. just assume that some pointers might be dangling in the block store). > - GC with remote HTTP stores could be tricky. For custom protocols, GC > can be linked to the TCP connection, but HTTP is often spread over > multiple connections. Probably OK for the high-level API, but we might > have to remove the low one (I'm not very familiar with this REST API, > and so might be confused). Yes, kill the low-level store if that's possible. I think its main use currently is for merges and to simplify the watch hooks. Also historically it was the first bits to be implemented as it requires little logic from the server: using the low-level API, the client is responsible to do everything (at the cost of multiple round-trips per high-level operations). The high-level API gives more work to the server, but it exposes less private things to the clients and is more efficient in terms of round-trips. > - If the user runs "git gc" manually on a Git-format store then all > bets are off, of course. Likewise if you have a store shared by > multiple processes. I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. Last missing issues: temporary objects stored in the block store but not yet related to GC roots: A. When you transform a staging area into a new commit (for instance in views, but also when you do a simple update): (A1) iterate first over all the new blobs and tree objects to serialise them in the block store and get their hash. (A2) create a commit object containing the new hash of the tree root, and serialise it in the block store to get the commit ID (A3) (optionally) update a branch reference to point to the new ID. My main concern with external GC is that before (A3) is done, objects saved in (A1) and (A2) are unsafe and can be deleted at any moment. B. When you merge commits: (B1) inductively merge blobs and tree objects, serialise them in the store to get their ID B2, B3: same as (A2) and (A3) Again, (B1), (B2) are unsafe. 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 Thu Oct 15 14:17:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:17:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjKw-0006uF-Ow; Thu, 15 Oct 2015 14:16:54 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjKw-0006uA-3R for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:16:54 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id 78/35-01421-555BF165; Thu, 15 Oct 2015 14:16:53 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-3.tower-31.messagelabs.com!1444918611!21583268!1 X-Originating-IP: [209.85.215.43] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30601 invoked from network); 15 Oct 2015 14:16:52 -0000 Received: from mail-lf0-f43.google.com (HELO mail-lf0-f43.google.com) (209.85.215.43) by server-3.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 14:16:52 -0000 Received: by lffv3 with SMTP id v3so29137760lff.0 for ; Thu, 15 Oct 2015 07:16:51 -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=n81hMD64jeqgw/+etgGmjKD8MXQLkfyCSMVzepVGhFQ=; b=aFiGQ5eAu+2OFFSiqIYV5nzOLwsVDfEn7ckCOsUqP1+XYG6sjcnzfsPXpxEgVP1J9+ pjJxHU/gieEFR5EYW/It6/2Oq4uOL1/NvKMQA560C1q8cjxSNZeWojwwrfUX6nFvDg5a xQix7AGVI35T8FkaMNtlPfZjTHCz3Z52F8uTtg1FF90SKHnIFc7wT8qo44YdY+lSJDGv STkGDppuVXAJd+QspmI/8N3K5fWH16UDwDyzJ/vaBcELGI5wH9AYeRdHH0b9cDx5+ygX bsk5d5KGe9QL5zwT5JgvWIT6afJti1c6hfc7lkh3pCAPMCpIK1MZuhZrcRgL127ImWSp UCRA== X-Received: by 10.180.182.84 with SMTP id ec20mr11684578wic.42.1444918611550; Thu, 15 Oct 2015 07:16:51 -0700 (PDT) Received: from [10.248.164.148] (global-5-149.nat-2.net.cam.ac.uk. [131.111.5.149]) by smtp.gmail.com with ESMTPSA id qh12sm17359857wic.20.2015.10.15.07.16.50 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 15 Oct 2015 07:16:50 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 15 Oct 2015 15:16:47 +0100 Message-Id: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 > Proposal: > > - Irmin should provide a smallish GC-safe core (BC?) that hides the > internal stores completely and provides an API that will not GC data > you're using. This API will distinguish between a "commit ID" (which > might or might not represent a commit in the repository) and a > "commit" (which refers to a commit in the repository and will prevent > it from being removed as long as you keep an OCaml reference to it). > > - The core will need to provide named branches, commits and mutable > indexes/staging-areas that act as GC roots. > > - Ir_view and Ir_sync should be implemented on top of this API, so > they don't have to worry about GC. Higher-level operations such as > merge should probably move to Ir_view too. I am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? I fully agree about the GC-safe core and making Ir_view and Ir_sync use them. > Issues: > > - A "commit" should keep its contents (trees and blobs) from being > GC'd, but what about its parents? If we want to allow shallow clones, > we might need to allow for a commit's parents to be missing. Support for shallow clone is a needed feature I think for performance reasons but I think can be separated from GC issues (e.g. just assume that some pointers might be dangling in the block store). > - GC with remote HTTP stores could be tricky. For custom protocols, GC > can be linked to the TCP connection, but HTTP is often spread over > multiple connections. Probably OK for the high-level API, but we might > have to remove the low one (I'm not very familiar with this REST API, > and so might be confused). Yes, kill the low-level store if that's possible. I think its main use currently is for merges and to simplify the watch hooks. Also historically it was the first bits to be implemented as it requires little logic from the server: using the low-level API, the client is responsible to do everything (at the cost of multiple round-trips per high-level operations). The high-level API gives more work to the server, but it exposes less private things to the clients and is more efficient in terms of round-trips. > - If the user runs "git gc" manually on a Git-format store then all > bets are off, of course. Likewise if you have a store shared by > multiple processes. I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. Last missing issues: temporary objects stored in the block store but not yet related to GC roots: A. When you transform a staging area into a new commit (for instance in views, but also when you do a simple update): (A1) iterate first over all the new blobs and tree objects to serialise them in the block store and get their hash. (A2) create a commit object containing the new hash of the tree root, and serialise it in the block store to get the commit ID (A3) (optionally) update a branch reference to point to the new ID. My main concern with external GC is that before (A3) is done, objects saved in (A1) and (A2) are unsafe and can be deleted at any moment. B. When you merge commits: (B1) inductively merge blobs and tree objects, serialise them in the store to get their ID B2, B3: same as (A2) and (A3) Again, (B1), (B2) are unsafe. 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 Thu Oct 15 14:17:57 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:17:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjLw-0006yc-AR; Thu, 15 Oct 2015 14:17:56 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjLv-0006yS-E0 for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:17:55 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id BA/97-01421-295BF165; Thu, 15 Oct 2015 14:17:54 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-7.tower-31.messagelabs.com!1444918673!18923266!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19394 invoked from network); 15 Oct 2015 14:17:54 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-7.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 15 Oct 2015 14:17:54 -0000 Received: from [128.232.110.198] (c198.al.cl.cam.ac.uk [128.232.110.198]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id E9A631753 for ; Thu, 15 Oct 2015 16:17:51 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <561FB567.40403@mehnert.org> Date: Thu, 15 Oct 2015 15:17:11 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5956361804859713228==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============5956361804859713228== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="iN8fEetAnoPvH7n1eTa58RhT13AH33dOO" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --iN8fEetAnoPvH7n1eTa58RhT13AH33dOO Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 10/15/2015 14:56, Richard Mortier wrote: > FWIW my motivation was: there are cases where one wishes to parse (or > generate) structures without needing to implement server/client. The > initial motivation was a reimplementation of a tcpdump-like facility, > as used by (eg) ocaml-dns for its unit tests. This sounds like a good idea! > Hence, putting all code dealing with the wire-to-OCaml interface in > Tftp_wire, and then (I'm currently fiddling with this, slowly) all the > state machine logic in Tftp_S with the intent of having a Mirage > unikernel implementation that uses Tftp_S to create a server instance > (basically by bridging IO into Tftp_S). I'm not sure what Tftp_S is (what the _S should do). From my point of view: put the (pure!) state machine logic somewhere [by pure I mean it does not do IO or logging, but uses as signature `state -> bytes -> (state * action list)`], where state is some abstract type, constructed via some configuration step, and actions might contain: `Log "client ZZZ requested image YYY" `Tell_user "failed to find image YYY" `Send Or maybe, if sending out a response is common enough, maybe use `state * bytes option * actions`. And then, on top of this state machine, which uses the wire_struct and some state, use it to build either Lwt or Mirage layers (which translate actions into side-effecting IO operations). We/I tested this approach in [TLS](http://mirleft.github.io/ocaml-tls/Engine.html) and [OTR (which does not have any side effects in its library)](http://hannesm.github.io/ocaml-otr/Otr.Engine.html) (yes, my draft text disappeared, but might appear again next week) hannes --iN8fEetAnoPvH7n1eTa58RhT13AH33dOO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWH7VoAAoJELyJZYjffCju6ekP/jqZB71Z7x5h9Pc6aUvHmYa5 DRrvbFLN4vMPdaJllW4vhaf/4OV5eVGFDzYQ1ao7oWmPUIxqmvW+yUvgdnra2ImT o9hIZhks0BOFf+18fE6cYC6z+J5ulGRgMLlHwTXPZiAUB/nXhoTgeUf83fsFWmT6 GMsSxtD3Du6mSTS7LvYsv2Il7dg+Epxv++TcWbfuivyDdRRxbc8x14iPU5vDtLqb N+laHVqk0KTRX6eA8fFFXpvaqbzE+iN0z8EZCP1/DfVEZlmF4YIcBHdbygt2BvpI e/vTIORu5IpDKJq+Tbr1sexMHY6z0eqCVjMMtlXx96MZY8+0lg+YkLV9gjeQWAK2 u1JrVYiIz/O4v7j/fpS1c35mmCvSaJZ1/bCiOc0dIJXfqMkkH1AQlLCJK7WAGIU7 A+m7aFYx/5J47CFoVIpXKgCTT7TcVOwCvckuu20WRLmTzsbVn3lUORDWgIYkZ1O5 rPIPPasNRuUTY3CFdUb4nN1J+F/moyZ2bcOOWGjrJ2uXs/XAaIMcebyaazFoHwO+ y7Qg+K83gDJHC5qsD9MhFXOno1TgQOev1IF/raROjZ7TlMqbJv7M7+kf8+D+6DEN l+m+rQjcZhrrHopm8GfToP0i9tem+P/reG0WlYoaNanlYzr7IL64Xkkxb7VfOAL6 rBWev5DwC0C5CISqS+sq =VByz -----END PGP SIGNATURE----- --iN8fEetAnoPvH7n1eTa58RhT13AH33dOO-- --===============5956361804859713228== 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 --===============5956361804859713228==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 15 14:17:57 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:17:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjLw-0006yc-AR; Thu, 15 Oct 2015 14:17:56 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZmjLv-0006yS-E0 for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:17:55 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id BA/97-01421-295BF165; Thu, 15 Oct 2015 14:17:54 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-7.tower-31.messagelabs.com!1444918673!18923266!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 19394 invoked from network); 15 Oct 2015 14:17:54 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-7.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 15 Oct 2015 14:17:54 -0000 Received: from [128.232.110.198] (c198.al.cl.cam.ac.uk [128.232.110.198]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id E9A631753 for ; Thu, 15 Oct 2015 16:17:51 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <561FB567.40403@mehnert.org> Date: Thu, 15 Oct 2015 15:17:11 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5956361804859713228==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============5956361804859713228== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="iN8fEetAnoPvH7n1eTa58RhT13AH33dOO" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --iN8fEetAnoPvH7n1eTa58RhT13AH33dOO Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 10/15/2015 14:56, Richard Mortier wrote: > FWIW my motivation was: there are cases where one wishes to parse (or > generate) structures without needing to implement server/client. The > initial motivation was a reimplementation of a tcpdump-like facility, > as used by (eg) ocaml-dns for its unit tests. This sounds like a good idea! > Hence, putting all code dealing with the wire-to-OCaml interface in > Tftp_wire, and then (I'm currently fiddling with this, slowly) all the > state machine logic in Tftp_S with the intent of having a Mirage > unikernel implementation that uses Tftp_S to create a server instance > (basically by bridging IO into Tftp_S). I'm not sure what Tftp_S is (what the _S should do). From my point of view: put the (pure!) state machine logic somewhere [by pure I mean it does not do IO or logging, but uses as signature `state -> bytes -> (state * action list)`], where state is some abstract type, constructed via some configuration step, and actions might contain: `Log "client ZZZ requested image YYY" `Tell_user "failed to find image YYY" `Send Or maybe, if sending out a response is common enough, maybe use `state * bytes option * actions`. And then, on top of this state machine, which uses the wire_struct and some state, use it to build either Lwt or Mirage layers (which translate actions into side-effecting IO operations). We/I tested this approach in [TLS](http://mirleft.github.io/ocaml-tls/Engine.html) and [OTR (which does not have any side effects in its library)](http://hannesm.github.io/ocaml-otr/Otr.Engine.html) (yes, my draft text disappeared, but might appear again next week) hannes --iN8fEetAnoPvH7n1eTa58RhT13AH33dOO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWH7VoAAoJELyJZYjffCju6ekP/jqZB71Z7x5h9Pc6aUvHmYa5 DRrvbFLN4vMPdaJllW4vhaf/4OV5eVGFDzYQ1ao7oWmPUIxqmvW+yUvgdnra2ImT o9hIZhks0BOFf+18fE6cYC6z+J5ulGRgMLlHwTXPZiAUB/nXhoTgeUf83fsFWmT6 GMsSxtD3Du6mSTS7LvYsv2Il7dg+Epxv++TcWbfuivyDdRRxbc8x14iPU5vDtLqb N+laHVqk0KTRX6eA8fFFXpvaqbzE+iN0z8EZCP1/DfVEZlmF4YIcBHdbygt2BvpI e/vTIORu5IpDKJq+Tbr1sexMHY6z0eqCVjMMtlXx96MZY8+0lg+YkLV9gjeQWAK2 u1JrVYiIz/O4v7j/fpS1c35mmCvSaJZ1/bCiOc0dIJXfqMkkH1AQlLCJK7WAGIU7 A+m7aFYx/5J47CFoVIpXKgCTT7TcVOwCvckuu20WRLmTzsbVn3lUORDWgIYkZ1O5 rPIPPasNRuUTY3CFdUb4nN1J+F/moyZ2bcOOWGjrJ2uXs/XAaIMcebyaazFoHwO+ y7Qg+K83gDJHC5qsD9MhFXOno1TgQOev1IF/raROjZ7TlMqbJv7M7+kf8+D+6DEN l+m+rQjcZhrrHopm8GfToP0i9tem+P/reG0WlYoaNanlYzr7IL64Xkkxb7VfOAL6 rBWev5DwC0C5CISqS+sq =VByz -----END PGP SIGNATURE----- --iN8fEetAnoPvH7n1eTa58RhT13AH33dOO-- --===============5956361804859713228== 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 --===============5956361804859713228==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 15 14:40:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:40:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmji0-000142-38; Thu, 15 Oct 2015 14:40:44 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmjhy-00013r-5i for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:40:42 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id 7A/E6-15765-9EABF165; Thu, 15 Oct 2015 14:40:41 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1444920039!21890358!1 X-Originating-IP: [209.85.213.52] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9433 invoked from network); 15 Oct 2015 14:40:40 -0000 Received: from mail-vk0-f52.google.com (HELO mail-vk0-f52.google.com) (209.85.213.52) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 14:40:40 -0000 Received: by vkaw128 with SMTP id w128so50417731vka.0 for ; Thu, 15 Oct 2015 07:40:39 -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 :cc:content-type:content-transfer-encoding; bh=nD/NhJh79O1XuF8343hP102Qkozsfcp0T9KXAbrIy9c=; b=L5DcuJWUgS2pRC26dDw2oj2sszo9I56qds02W478TZfvGrxL6nuqSKLHH8KIrxMR+b sNxhEvop/rghcqwwykWsH0LNAAJW7svz8XuoLU8CUpQJS0cpfqDCyjYLg9z722Brsg/M lQhDapMUZw/FGuOwl0vfVTIjcTuRkFsKi2ymkMmJROiEJsjuPzEH/uVO8GivHeZm6vrI 8U8Dq2deudRHv43hka08NqzXpfIP+eaxIxFBq5Sq3iRCLzgxZ7tTzJWmywkjVwZseBL6 6ebMLB5c0XhKPXgGRHDD+TFj6H2ULXzoJDfPeKeqEnL3m8F40In89uZE6H8hj3HipQ9v 3Eyw== MIME-Version: 1.0 X-Received: by 10.31.142.142 with SMTP id q136mr6132149vkd.41.1444920039249; Thu, 15 Oct 2015 07:40:39 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Thu, 15 Oct 2015 07:40:39 -0700 (PDT) In-Reply-To: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> References: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> Date: Thu, 15 Oct 2015 15:40:39 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 15:16, Thomas Gazagnaire wrote: >> Proposal: >> >> - Irmin should provide a smallish GC-safe core (BC?) that hides the >> internal stores completely and provides an API that will not GC data >> you're using. This API will distinguish between a "commit ID" (which >> might or might not represent a commit in the repository) and a >> "commit" (which refers to a commit in the repository and will prevent >> it from being removed as long as you keep an OCaml reference to it). >> >> - The core will need to provide named branches, commits and mutable >> indexes/staging-areas that act as GC roots. >> >> - Ir_view and Ir_sync should be implemented on top of this API, so >> they don't have to worry about GC. Higher-level operations such as >> merge should probably move to Ir_view too. > > I am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? No, you just have a single function: BC.Repo.commit_of_id: t -> commit_id -> commit option Lwt.t If this returns None then the commit wasn't in the store. If it returns Some commit then that commit will stay in the store as long as you hold the commit value. Then e.g. "task_of_commit" don't need to return an option*, because you know the task will still be there. * (actually, task_of_commit_id currently throws an exception if the commit isn't in the store, which isn't ideal) > Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? You could think of a commit_id as like a weak ref to a commit. > I fully agree about the GC-safe core and making Ir_view and Ir_sync use them. > >> Issues: >> >> - A "commit" should keep its contents (trees and blobs) from being >> GC'd, but what about its parents? If we want to allow shallow clones, >> we might need to allow for a commit's parents to be missing. > > Support for shallow clone is a needed feature I think for performance reasons but I think can be separated from GC issues (e.g. just assume that some pointers might be dangling in the block store). > >> - GC with remote HTTP stores could be tricky. For custom protocols, GC >> can be linked to the TCP connection, but HTTP is often spread over >> multiple connections. Probably OK for the high-level API, but we might >> have to remove the low one (I'm not very familiar with this REST API, >> and so might be confused). > > Yes, kill the low-level store if that's possible. I think its main use currently is for merges and to simplify the watch hooks. > > Also historically it was the first bits to be implemented as it requires little logic from the server: using the low-level API, the client is responsible to do everything (at the cost of multiple round-trips per high-level operations). The high-level API gives more work to the server, but it exposes less private things to the clients and is more efficient in terms of round-trips. > >> - If the user runs "git gc" manually on a Git-format store then all >> bets are off, of course. Likewise if you have a store shared by >> multiple processes. > > I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. I don't see how multi-process can ever work if you allow anonymous branches. > Last missing issues: temporary objects stored in the block store but not yet related to GC roots: > > A. When you transform a staging area into a new commit (for instance in views, but also when you do a simple update): > > (A1) iterate first over all the new blobs and tree objects to serialise them in the block store and get their hash. > (A2) create a commit object containing the new hash of the tree root, and serialise it in the block store to get the commit ID > (A3) (optionally) update a branch reference to point to the new ID. > > My main concern with external GC is that before (A3) is done, objects saved in (A1) and (A2) are unsafe and can be deleted at any moment. Taking the GC lock file should sort this out, I think. BC can provide a commit function that takes the lock, serialises everything at once, then releases it. > B. When you merge commits: > > (B1) inductively merge blobs and tree objects, serialise them in the store to get their ID > B2, B3: same as (A2) and (A3) > > Again, (B1), (B2) are unsafe. > > Thomas -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 15 14:40:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 15 Oct 2015 14:40:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmji0-000142-38; Thu, 15 Oct 2015 14:40:44 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zmjhy-00013r-5i for mirageos-devel@lists.xenproject.org; Thu, 15 Oct 2015 14:40:42 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id 7A/E6-15765-9EABF165; Thu, 15 Oct 2015 14:40:41 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-6.tower-27.messagelabs.com!1444920039!21890358!1 X-Originating-IP: [209.85.213.52] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9433 invoked from network); 15 Oct 2015 14:40:40 -0000 Received: from mail-vk0-f52.google.com (HELO mail-vk0-f52.google.com) (209.85.213.52) by server-6.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 15 Oct 2015 14:40:40 -0000 Received: by vkaw128 with SMTP id w128so50417731vka.0 for ; Thu, 15 Oct 2015 07:40:39 -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 :cc:content-type:content-transfer-encoding; bh=nD/NhJh79O1XuF8343hP102Qkozsfcp0T9KXAbrIy9c=; b=L5DcuJWUgS2pRC26dDw2oj2sszo9I56qds02W478TZfvGrxL6nuqSKLHH8KIrxMR+b sNxhEvop/rghcqwwykWsH0LNAAJW7svz8XuoLU8CUpQJS0cpfqDCyjYLg9z722Brsg/M lQhDapMUZw/FGuOwl0vfVTIjcTuRkFsKi2ymkMmJROiEJsjuPzEH/uVO8GivHeZm6vrI 8U8Dq2deudRHv43hka08NqzXpfIP+eaxIxFBq5Sq3iRCLzgxZ7tTzJWmywkjVwZseBL6 6ebMLB5c0XhKPXgGRHDD+TFj6H2ULXzoJDfPeKeqEnL3m8F40In89uZE6H8hj3HipQ9v 3Eyw== MIME-Version: 1.0 X-Received: by 10.31.142.142 with SMTP id q136mr6132149vkd.41.1444920039249; Thu, 15 Oct 2015 07:40:39 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Thu, 15 Oct 2015 07:40:39 -0700 (PDT) In-Reply-To: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> References: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> Date: Thu, 15 Oct 2015 15:40:39 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 15:16, Thomas Gazagnaire wrote: >> Proposal: >> >> - Irmin should provide a smallish GC-safe core (BC?) that hides the >> internal stores completely and provides an API that will not GC data >> you're using. This API will distinguish between a "commit ID" (which >> might or might not represent a commit in the repository) and a >> "commit" (which refers to a commit in the repository and will prevent >> it from being removed as long as you keep an OCaml reference to it). >> >> - The core will need to provide named branches, commits and mutable >> indexes/staging-areas that act as GC roots. >> >> - Ir_view and Ir_sync should be implemented on top of this API, so >> they don't have to worry about GC. Higher-level operations such as >> merge should probably move to Ir_view too. > > I am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? No, you just have a single function: BC.Repo.commit_of_id: t -> commit_id -> commit option Lwt.t If this returns None then the commit wasn't in the store. If it returns Some commit then that commit will stay in the store as long as you hold the commit value. Then e.g. "task_of_commit" don't need to return an option*, because you know the task will still be there. * (actually, task_of_commit_id currently throws an exception if the commit isn't in the store, which isn't ideal) > Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? You could think of a commit_id as like a weak ref to a commit. > I fully agree about the GC-safe core and making Ir_view and Ir_sync use them. > >> Issues: >> >> - A "commit" should keep its contents (trees and blobs) from being >> GC'd, but what about its parents? If we want to allow shallow clones, >> we might need to allow for a commit's parents to be missing. > > Support for shallow clone is a needed feature I think for performance reasons but I think can be separated from GC issues (e.g. just assume that some pointers might be dangling in the block store). > >> - GC with remote HTTP stores could be tricky. For custom protocols, GC >> can be linked to the TCP connection, but HTTP is often spread over >> multiple connections. Probably OK for the high-level API, but we might >> have to remove the low one (I'm not very familiar with this REST API, >> and so might be confused). > > Yes, kill the low-level store if that's possible. I think its main use currently is for merges and to simplify the watch hooks. > > Also historically it was the first bits to be implemented as it requires little logic from the server: using the low-level API, the client is responsible to do everything (at the cost of multiple round-trips per high-level operations). The high-level API gives more work to the server, but it exposes less private things to the clients and is more efficient in terms of round-trips. > >> - If the user runs "git gc" manually on a Git-format store then all >> bets are off, of course. Likewise if you have a store shared by >> multiple processes. > > I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. I don't see how multi-process can ever work if you allow anonymous branches. > Last missing issues: temporary objects stored in the block store but not yet related to GC roots: > > A. When you transform a staging area into a new commit (for instance in views, but also when you do a simple update): > > (A1) iterate first over all the new blobs and tree objects to serialise them in the block store and get their hash. > (A2) create a commit object containing the new hash of the tree root, and serialise it in the block store to get the commit ID > (A3) (optionally) update a branch reference to point to the new ID. > > My main concern with external GC is that before (A3) is done, objects saved in (A1) and (A2) are unsafe and can be deleted at any moment. Taking the GC lock file should sort this out, I think. BC can provide a commit function that takes the lock, serialises everything at once, then releases it. > B. When you merge commits: > > (B1) inductively merge blobs and tree objects, serialise them in the store to get their ID > B2, B3: same as (A2) and (A3) > > Again, (B1), (B2) are unsafe. > > Thomas -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 16 09:55:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 09:55:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn1jV-0006z3-Mn; Fri, 16 Oct 2015 09:55:29 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn1jU-0006yy-2x for mirageos-devel@lists.xenproject.org; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org >> I am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? > > No, you just have a single function: > > BC.Repo.commit_of_id: t -> commit_id -> commit option Lwt.t > > If this returns None then the commit wasn't in the store. If it > returns Some commit then that commit will stay in the store as long as > you hold the commit value. Then e.g. "task_of_commit" don't need to > return an option*, because you know the task will still be there. I still don't fully understand your proposal I think. The `task_of_commit` returns an option because the current branch might be empty (and not have any commit). Also, a store is potentially shared by multiple Irmin instances, some commits might be persistent on some local stores: what is the semantics when you pull/push between local stores? do the "persistency" property is propagated? > > * (actually, task_of_commit_id currently throws an exception if the > commit isn't in the store, which isn't ideal) > >> Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? > > You could think of a commit_id as like a weak ref to a commit. ok, so do you propose that every time you make a commit ID persistent, all its parents become persistent as well? If that's the case, why not simply to (1) do not distinguish between commit and commit IDs (2) always consider commits as weak references but (3) consider them persistent when they are put in a reference. so then, we you pull/push you are sharing references as well, so it is clear what is persistent or not. It's also fine if GC are run locally, because they then know both of weak references (as they are local) and persistent commits (just read the references). >> I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. > > I don't see how multi-process can ever work if you allow anonymous branches. I agree. Let's add an invariant that only one instance of Irmin should run on a local store -- if we add this, few things in the code can be simplified (for instance the file locking bits in Irmin_unix) but we check that the invariant satisfied and fail to start a new instance otherwise. 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 Fri Oct 16 10:06:42 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:06:42 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn1uL-0007zl-DE; Fri, 16 Oct 2015 10:06:41 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn1uK-0007xD-1y for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:06:40 +0000 Received: from [85.158.139.211] by server-1.bemta-5.messagelabs.com id 18/54-32615-F2CC0265; Fri, 16 Oct 2015 10:06:39 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-12.tower-206.messagelabs.com!1444989994!42733098!1 X-Originating-IP: [209.85.212.180] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 12368 invoked from network); 16 Oct 2015 10:06:34 -0000 Received: from mail-wi0-f180.google.com (HELO mail-wi0-f180.google.com) (209.85.212.180) by server-12.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 10:06:34 -0000 Received: by wicgb1 with SMTP id gb1so2545589wic.1 for ; Fri, 16 Oct 2015 03:06:34 -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=qMbpNhJpihFZQRInx8ICmFb8ax9cK9DfZO5ePWIcebo=; b=wybcZmQVuS6mr8EEPjCAGlvpOJcxeHmWo4Nv3Fdes9++PV34DxTT5hy64aBScQ85O6 qRMFn425pPfIaIuVUwN6qVX5oFNcneT76vjOY5opsUfTTL63QMLXBggM6Aok9ILjVA6z NHchJiBsW2Z45ihJGiTcUdhY103BCjx3bc650eU+JdJbN/ROAKhaoUje6AQiWkVznHn2 8c73vKq+uuH+hgN7CNCSvnaxEdnwFVw4KqriR6fcc6Ens55D/vAjDjqG/cIG3K/ziXe8 0j/sjupzcKbuOVswE2+DIzAiG4QkQyHR0NHVOzGPZjGN7EcgKSUG0GrgFeDu2wRN5Ipl yz8w== X-Received: by 10.180.198.178 with SMTP id jd18mr3709735wic.34.1444989994265; Fri, 16 Oct 2015 03:06:34 -0700 (PDT) Received: from [10.5.3.236] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id x16sm2618776wia.7.2015.10.16.03.06.32 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 16 Oct 2015 03:06:32 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: Date: Fri, 16 Oct 2015 12:06:31 +0200 Message-Id: <70098495-7F7C-44E5-BAE1-41F8446F7DFF@gazagnaire.org> References: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> To: Thomas Leonard X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? > > No, you just have a single function: > > BC.Repo.commit_of_id: t -> commit_id -> commit option Lwt.t > > If this returns None then the commit wasn't in the store. If it > returns Some commit then that commit will stay in the store as long as > you hold the commit value. Then e.g. "task_of_commit" don't need to > return an option*, because you know the task will still be there. I still don't fully understand your proposal I think. The `task_of_commit` returns an option because the current branch might be empty (and not have any commit). Also, a store is potentially shared by multiple Irmin instances, some commits might be persistent on some local stores: what is the semantics when you pull/push between local stores? do the "persistency" property is propagated? > > * (actually, task_of_commit_id currently throws an exception if the > commit isn't in the store, which isn't ideal) > >> Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? > > You could think of a commit_id as like a weak ref to a commit. ok, so do you propose that every time you make a commit ID persistent, all its parents become persistent as well? If that's the case, why not simply to (1) do not distinguish between commit and commit IDs (2) always consider commits as weak references but (3) consider them persistent when they are put in a reference. so then, we you pull/push you are sharing references as well, so it is clear what is persistent or not. It's also fine if GC are run locally, because they then know both of weak references (as they are local) and persistent commits (just read the references). >> I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. > > I don't see how multi-process can ever work if you allow anonymous branches. I agree. Let's add an invariant that only one instance of Irmin should run on a local store -- if we add this, few things in the code can be simplified (for instance the file locking bits in Irmin_unix) but we check that the invariant satisfied and fail to start a new instance otherwise. 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 Fri Oct 16 10:11:02 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:11:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn1yW-00005O-Pc; Fri, 16 Oct 2015 10:11:00 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn1yV-00005J-EX for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:10:59 +0000 Received: from [85.158.137.68] by server-13.bemta-3.messagelabs.com id E8/9B-00536-23DC0265; Fri, 16 Oct 2015 10:10:58 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-7.tower-31.messagelabs.com!1444990257!19176190!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24407 invoked from network); 16 Oct 2015 10:10:57 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-7.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 10:10:57 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 15ff7e93 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 16 Oct 2015 11:10:56 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> Date: Fri, 16 Oct 2015 11:11:00 +0100 Message-Id: <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> To: =?utf-8?Q?Daniel_B=C3=BCnzli?= X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-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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Fri, 16 Oct 2015 11:10:56 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> Date: Fri, 16 Oct 2015 11:11:00 +0100 Message-Id: <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> To: =?utf-8?Q?Daniel_B=C3=BCnzli?= X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cj4gT24gMTYgT2N0IDIwMTUsIGF0IDEwOjU1LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiAKPiBIZWxsbywgIAo+IAo+IFRoZSB0b3BpYyB3YXMg bWVudGlvbmVkIGFnYWluIG9uIHRoZSBtaXJhZ2UgY2FsbC4gSSBhbHNvIG5lZWQgc3VjaCBhIGxp YnJhcnkgaW4gbWFueSBkaWZmZXJlbnQgY29udGV4dHMgYW5kIEkga2VlcCBvbiByZXdyaXRpbmcg dGhlIGJpdHMgb2YgYSBiYXNpYyBsb2dnZXIgaW4gdG9vIG1hbnkgb2YgbXkgcHJvamVjdHMuICAK PiAKPiBJIGRvIGhhdmUgYSBMb2cgbW9kdWxlIGluIGJvcyBbMV0gd2hpY2ggcmVwcmVzZW50cyB0 aGUgdmVyeSBiYXNpY3MgSSdkIGxpa2UsIGJ1dCBJIHdvdWxkIGxpa2UgdG8gZm9yayBpdCBhbmQg ZXhwYW5kIGl0IGEgYml0IHRvIG1ha2UgaXQgbW9yZSB1c2VmdWwgaW4gZGlmZmVyZW50IGNvbnRl eHRzIGFuZCBpbmRlcGVuZGVudCBvZiBib3Mg4oCUIGFzIGl0IGRvZXNuJ3QgZGVwZW5kIG9uIGl0 IGFuZCBJJ2QgbGlrZSBmb3IgZXhhbXBsZSB0byBiZSBhYmxlIHRvIHVzZSB0aGUgc2FtZSBpbnRl cmZhY2UgaW4ganMgdG8gbG9nIHRvIHRoZSBicm93c2VyIGNvbnNvbGUgKHNlZSBlLmcuIFsyXSku IEhlcmUncyByb3VnaGx5IHdoYXQgSSBoYXZlIGluIG1pbmQ6Cj4gCj4gKiBGb3JtYXQgYmFzZWQu Cj4gKiBTaW1wbGUgZml4ZWQgbGV2ZWxzIFszXS4KPiAqIEludGVyYWN0aW9uIHdpdGggcmVzdWx0 IHR5cGUgWzRdLgo+ICogTm90aW9uIG9mIGxvZ2dpbmcgc291cmNlIGFuZCBwZXIgc291cmNlIGxv ZyBsZXZlbCBjb250cm9sLiBTb3VyY2VzIHNob3VsZCBiZSBsaXN0YWJsZSAoZm9yIHVpIHB1cnBv c2VzKS4KPiAqIERlY291cGxpbmcgb2YgbG9nIGdlbmVyYXRpb24gKGxvZ2dpbmcgZnVuY3Rpb24g Y2FsbHMpIGFuZCByZXBvcnRpbmcgKGxvZyBvdXRwdXQvcmVuZGVyaW5nKS4gIAo+ICogQSBmZXcg cmVwb3J0aW5nIHByb2ZpbGVzIGFzIG9wdGlvbmFsIHN1YnBhY2thZ2VzLCBmb3IgYSBjbGksIGZv ciBqcywgZXRjLgoKSSByZWFsbHkgbGlrZSB0aGlzIGxpYnJhcnkgZXhjZXB0IGZvciB0aGUgbm90 aW9uIG9mIGxvZyBsZXZlbHMuICBPbmUgaXNzdWUgd2l0aCB0aGF0IGlzIHRoYXQgSSBuZXZlciBx dWl0ZSBrbm93IHdoYXQgbGV2ZWxzIHRvIHB1dCBpbiAoaXMgaXQgSW5mbyBvciBEZWJ1ZyBvciBh IFdhcm5pbmcpLCBhbmQgYWxzbyB0aGF0IHRoZSBsb3dlciBsZXZlbCBkZWJ1ZyBsZXZlbHMgYXJl IGFsbW9zdCBhbHdheXMgbW9yZSB1c2VmdWwgaWYgdGhleSdyZSBsYXp5LCBzbyB0aGF0IHRoZSBh cmd1bWVudHMgYXJlIG5vdCBleHBlbnNpdmVseSBldmFsdWF0ZWQuCgpEbyB5b3UgdGhpbmsgaXQn cyB3b3J0aCBoYXZpbmcgYW4gdWx0cmEgc2ltcGxlIGxldmVsLWZyZWUgc2lnbmF0dXJlIHRoYXQg aXMganVzdCAKCnZhbCBtc2cgOiAoJ2EsIEZvcm1hdC5mb3JtYXR0ZXIsIHVuaXQsIHVuaXQpIFBl cnZhc2l2ZXMuZm9ybWF0NCAtPiAnYQoKdGhhdCBjb3VsZCBiZSBwYXNzZWQgYXJvdW5kIGxpYnJh cmllcyBhcyBhbiBhcmd1bWVudCwgd2l0aCB0aGUgbGV2ZWwgc3R1ZmYgYWRkZWQgYnkgYSBoaWdo ZXIgbGV2ZWwgbG9nZ2VyL21vbml0b3I/CgotYW5pbApfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3Jn L2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 10:13:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:13:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn21D-00009S-Dl; Fri, 16 Oct 2015 10:13:47 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn21C-000099-2K for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:13:46 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id 0F/8C-12889-9DDC0265; Fri, 16 Oct 2015 10:13:45 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1444990424!47492654!1 X-Originating-IP: [209.85.212.175] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1392 invoked from network); 16 Oct 2015 10:13:44 -0000 Received: from mail-wi0-f175.google.com (HELO mail-wi0-f175.google.com) (209.85.212.175) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 10:13:44 -0000 Received: by wicll6 with SMTP id ll6so2950077wic.0 for ; Fri, 16 Oct 2015 03:13:44 -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=wvAmYSqPAo2KuCE+lLnizb76RjEfDBZwyIPSNa6xOLw=; b=dgBqQnNwcSASHqOVZkk+/Y5feC0qCdMl3f4rnjvOjYf9AVL8D5kwDU3z+yekNanvX/ TLSn6ZhDbh0hXUQYTe8BTGfmiVr7cdStfcVBUgrGTKWKJpfWaPj+GobF3ht/LfwK92KV 987J/TpPQQsfE6uVxJnkgXDftkEEIU9gtC4R66CaPc+RBQkgPX+WSfZiJy9LVqoYGURL 3vanF/Od+hDNHEuMYb5VsS4BkuRHPvJ+Yot3Sf+OCdiKp+eZRc+u1iEzVcmlLMbezvb4 mOnvyunCad145gO7SXeftYTKdv8Cbx1dbBClqcLR+sSoZl+8aozaCyi+xAKi8nRdzBnw joWA== X-Received: by 10.180.87.162 with SMTP id az2mr3702884wib.62.1444990423955; Fri, 16 Oct 2015 03:13:43 -0700 (PDT) Received: from [10.5.3.236] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id ee5sm21658665wjd.17.2015.10.16.03.13.42 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 16 Oct 2015 03:13:42 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> Date: Fri, 16 Oct 2015 12:13:41 +0200 Message-Id: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> To: =?utf-8?Q?Daniel_B=C3=BCnzli?= X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 will happen soon or later on my side, so if you think you could be served by that and have ideas about it, speak. yes! The format based logging might be useful to avoid performance issues such as [1] or [2]. -- Thomas [1]: https://github.com/mirage/ocaml-git/pull/130 [2]: https://github.com/samoht/mirage-tcpip/commit/ec0aaca906034b2c29c9086306fa5b9b497bf607 _______________________________________________ MirageOS-devel 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 Oct 16 10:13:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:13:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn21D-00009S-Dl; Fri, 16 Oct 2015 10:13:47 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn21C-000099-2K for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:13:46 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id 0F/8C-12889-9DDC0265; Fri, 16 Oct 2015 10:13:45 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1444990424!47492654!1 X-Originating-IP: [209.85.212.175] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 1392 invoked from network); 16 Oct 2015 10:13:44 -0000 Received: from mail-wi0-f175.google.com (HELO mail-wi0-f175.google.com) (209.85.212.175) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 10:13:44 -0000 Received: by wicll6 with SMTP id ll6so2950077wic.0 for ; Fri, 16 Oct 2015 03:13:44 -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=wvAmYSqPAo2KuCE+lLnizb76RjEfDBZwyIPSNa6xOLw=; b=dgBqQnNwcSASHqOVZkk+/Y5feC0qCdMl3f4rnjvOjYf9AVL8D5kwDU3z+yekNanvX/ TLSn6ZhDbh0hXUQYTe8BTGfmiVr7cdStfcVBUgrGTKWKJpfWaPj+GobF3ht/LfwK92KV 987J/TpPQQsfE6uVxJnkgXDftkEEIU9gtC4R66CaPc+RBQkgPX+WSfZiJy9LVqoYGURL 3vanF/Od+hDNHEuMYb5VsS4BkuRHPvJ+Yot3Sf+OCdiKp+eZRc+u1iEzVcmlLMbezvb4 mOnvyunCad145gO7SXeftYTKdv8Cbx1dbBClqcLR+sSoZl+8aozaCyi+xAKi8nRdzBnw joWA== X-Received: by 10.180.87.162 with SMTP id az2mr3702884wib.62.1444990423955; Fri, 16 Oct 2015 03:13:43 -0700 (PDT) Received: from [10.5.3.236] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id ee5sm21658665wjd.17.2015.10.16.03.13.42 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 16 Oct 2015 03:13:42 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> Date: Fri, 16 Oct 2015 12:13:41 +0200 Message-Id: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> To: =?utf-8?Q?Daniel_B=C3=BCnzli?= X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 will happen soon or later on my side, so if you think you could be served by that and have ideas about it, speak. yes! The format based logging might be useful to avoid performance issues such as [1] or [2]. -- Thomas [1]: https://github.com/mirage/ocaml-git/pull/130 [2]: https://github.com/samoht/mirage-tcpip/commit/ec0aaca906034b2c29c9086306fa5b9b497bf607 _______________________________________________ MirageOS-devel 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 Oct 16 10:19:00 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:19:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26E-0001AE-UA; Fri, 16 Oct 2015 10:18:58 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26D-0001A2-IL for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:18:57 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 0F/CF-30270-01FC0265; Fri, 16 Oct 2015 10:18:56 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1444990735!18394445!1 X-Originating-IP: [209.85.212.180] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15926 invoked from network); 16 Oct 2015 10:18:55 -0000 Received: from mail-wi0-f180.google.com (HELO mail-wi0-f180.google.com) (209.85.212.180) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 10:18:55 -0000 Received: by wicgb1 with SMTP id gb1so2981379wic.1 for ; Fri, 16 Oct 2015 03:18:55 -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=LcFLF/BKXLRS0W9e2toTUybE4R/jgEBHWgQVh1fUqHw=; b=icsZvZZ93s4aewNZWUakWY5Pz+ICS7rJoV04n/F+mbon2eOduM+xGU10F9osFkMr0+ xGZ8pM14C1s2/jIqofUg5Hf+4WOLMBGa3dlTDS4MHHQapISHRJABq0MTXk+AvQ+eBPTF 7O/WWn3W4H4duyvYRwfBl6YMA8CZoPRQqmmYE3S8GcjS1xhyHCRZuapofOW0bOwg6oEJ 8kZDKvAQlKRPSLIWtDtqcvK/qZ2+KsYPLPAw9s3bJIjOEA3ckEDKJezHr4ZHHzsMF4Om evqQdKX8e9KT0Ua4Yb3+UUQm/mJxPt74Ar8Vm9V1eNdpYvrkobpTChDp2yP4iVp2kRiU U7eA== X-Received: by 10.194.206.38 with SMTP id ll6mr16222507wjc.116.1444990735376; Fri, 16 Oct 2015 03:18:55 -0700 (PDT) Received: from [10.5.3.236] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id p18sm2641069wik.19.2015.10.16.03.18.53 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 16 Oct 2015 03:18:53 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> Date: Fri, 16 Oct 2015 12:18:52 +0200 Message-Id: <3833A2BD-0E8D-451B-A142-9449BA17D49D@gazagnaire.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 > that could be passed around libraries as an argument, with the level stuff added by a higher level logger/monitor? How do you decide what to filter or not? Maybe a notion of section (that users can turn off and on) could be more useful? I think xapi used to allow users to specify which section to enable either by using an environment variable (ie. something like XAPILOGS=* or XAPILOGS="foo:bar" to enable the "foo" and "bar" section) or a configuration file. That was quite useful when debugging. But maybe this is already too complex for a simple log library... 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 Fri Oct 16 10:19:00 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:19:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26E-0001AE-UA; Fri, 16 Oct 2015 10:18:58 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26D-0001A2-IL for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:18:57 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 0F/CF-30270-01FC0265; Fri, 16 Oct 2015 10:18:56 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1444990735!18394445!1 X-Originating-IP: [209.85.212.180] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15926 invoked from network); 16 Oct 2015 10:18:55 -0000 Received: from mail-wi0-f180.google.com (HELO mail-wi0-f180.google.com) (209.85.212.180) by server-7.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 10:18:55 -0000 Received: by wicgb1 with SMTP id gb1so2981379wic.1 for ; Fri, 16 Oct 2015 03:18:55 -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=LcFLF/BKXLRS0W9e2toTUybE4R/jgEBHWgQVh1fUqHw=; b=icsZvZZ93s4aewNZWUakWY5Pz+ICS7rJoV04n/F+mbon2eOduM+xGU10F9osFkMr0+ xGZ8pM14C1s2/jIqofUg5Hf+4WOLMBGa3dlTDS4MHHQapISHRJABq0MTXk+AvQ+eBPTF 7O/WWn3W4H4duyvYRwfBl6YMA8CZoPRQqmmYE3S8GcjS1xhyHCRZuapofOW0bOwg6oEJ 8kZDKvAQlKRPSLIWtDtqcvK/qZ2+KsYPLPAw9s3bJIjOEA3ckEDKJezHr4ZHHzsMF4Om evqQdKX8e9KT0Ua4Yb3+UUQm/mJxPt74Ar8Vm9V1eNdpYvrkobpTChDp2yP4iVp2kRiU U7eA== X-Received: by 10.194.206.38 with SMTP id ll6mr16222507wjc.116.1444990735376; Fri, 16 Oct 2015 03:18:55 -0700 (PDT) Received: from [10.5.3.236] ([217.69.241.69]) by smtp.gmail.com with ESMTPSA id p18sm2641069wik.19.2015.10.16.03.18.53 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 16 Oct 2015 03:18:53 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> Date: Fri, 16 Oct 2015 12:18:52 +0200 Message-Id: <3833A2BD-0E8D-451B-A142-9449BA17D49D@gazagnaire.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> To: Anil Madhavapeddy X-Mailer: Apple Mail (2.2104) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 > that could be passed around libraries as an argument, with the level stuff added by a higher level logger/monitor? How do you decide what to filter or not? Maybe a notion of section (that users can turn off and on) could be more useful? I think xapi used to allow users to specify which section to enable either by using an environment variable (ie. something like XAPILOGS=* or XAPILOGS="foo:bar" to enable the "foo" and "bar" section) or a configuration file. That was quite useful when debugging. But maybe this is already too complex for a simple log library... 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 Fri Oct 16 10:19:18 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:19:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26Y-0001CA-1R; Fri, 16 Oct 2015 10:19:18 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26W-0001Bs-6x for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:19:16 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 2D/11-31069-32FC0265; Fri, 16 Oct 2015 10:19:15 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1444990751!53866584!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26118 invoked from network); 16 Oct 2015 10:19:12 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 10:19:12 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id afd208d8 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 16 Oct 2015 11:19:11 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 16 Oct 2015 11:19:15 +0100 Message-Id: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 16 Oct 2015, at 11:13, Thomas Gazagnaire wrote: > >> This will happen soon or later on my side, so if you think you could be served by that and have ideas about it, speak. > > yes! > > The format based logging might be useful to avoid performance issues such as [1] or [2]. And debugk in that pull request answers my query nicely: Log.debugk "received %s (%s)" @@ fun k -> k (pretty k) (pretty v) ...is neat. -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 Oct 16 10:19:18 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:19:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26Y-0001CA-1R; Fri, 16 Oct 2015 10:19:18 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn26W-0001Bs-6x for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:19:16 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id 2D/11-31069-32FC0265; Fri, 16 Oct 2015 10:19:15 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-5.tower-31.messagelabs.com!1444990751!53866584!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26118 invoked from network); 16 Oct 2015 10:19:12 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-5.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 10:19:12 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id afd208d8 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 16 Oct 2015 11:19:11 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: Date: Fri, 16 Oct 2015 11:19:15 +0100 Message-Id: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 16 Oct 2015, at 11:13, Thomas Gazagnaire wrote: > >> This will happen soon or later on my side, so if you think you could be served by that and have ideas about it, speak. > > yes! > > The format based logging might be useful to avoid performance issues such as [1] or [2]. And debugk in that pull request answers my query nicely: Log.debugk "received %s (%s)" @@ fun k -> k (pretty k) (pretty v) ...is neat. -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 Oct 16 10:20:12 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:20:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn27Q-0001Gd-8y; Fri, 16 Oct 2015 10:20:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn27O-0001GS-Hk for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:20:10 +0000 Received: from [85.158.137.68] by server-2.bemta-3.messagelabs.com id AA/89-21201-95FC0265; Fri, 16 Oct 2015 10:20:09 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-31.messagelabs.com!1444990806!53800181!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30193 invoked from network); 16 Oct 2015 10:20:07 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 10:20:07 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 40f17adb TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 16 Oct 2015 11:20:06 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <3833A2BD-0E8D-451B-A142-9449BA17D49D@gazagnaire.org> Date: Fri, 16 Oct 2015 11:20:11 +0100 Message-Id: <99E896A9-2C6F-4631-A155-6146F752D843@recoil.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <3833A2BD-0E8D-451B-A142-9449BA17D49D@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 16 Oct 2015, at 11:18, Thomas Gazagnaire wrote: > >> that could be passed around libraries as an argument, with the level stuff added by a higher level logger/monitor? > > How do you decide what to filter or not? Maybe a notion of section (that users can turn off and on) could be more useful? > > I think xapi used to allow users to specify which section to enable either by using an environment variable (ie. something like XAPILOGS=* or XAPILOGS="foo:bar" to enable the "foo" and "bar" section) or a configuration file. That was quite useful when debugging. Yes, the source of the log is more valuable, so the module it came from rather than a global log level is more useful for aggregation. > But maybe this is already too complex for a simple log library... There's nothing simple about logging :-) -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 Oct 16 10:20:12 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:20:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn27Q-0001Gd-8y; Fri, 16 Oct 2015 10:20:12 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn27O-0001GS-Hk for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:20:10 +0000 Received: from [85.158.137.68] by server-2.bemta-3.messagelabs.com id AA/89-21201-95FC0265; Fri, 16 Oct 2015 10:20:09 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-10.tower-31.messagelabs.com!1444990806!53800181!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.2 required=7.0 tests=RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30193 invoked from network); 16 Oct 2015 10:20:07 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-10.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 10:20:07 -0000 Received: from flick.office (volstagg-0.srg.cl.cam.ac.uk [128.232.32.232]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 40f17adb TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Fri, 16 Oct 2015 11:20:06 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <3833A2BD-0E8D-451B-A142-9449BA17D49D@gazagnaire.org> Date: Fri, 16 Oct 2015 11:20:11 +0100 Message-Id: <99E896A9-2C6F-4631-A155-6146F752D843@recoil.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <3833A2BD-0E8D-451B-A142-9449BA17D49D@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 16 Oct 2015, at 11:18, Thomas Gazagnaire wrote: > >> that could be passed around libraries as an argument, with the level stuff added by a higher level logger/monitor? > > How do you decide what to filter or not? Maybe a notion of section (that users can turn off and on) could be more useful? > > I think xapi used to allow users to specify which section to enable either by using an environment variable (ie. something like XAPILOGS=* or XAPILOGS="foo:bar" to enable the "foo" and "bar" section) or a configuration file. That was quite useful when debugging. Yes, the source of the log is more valuable, so the module it came from rather than a global log level is more useful for aggregation. > But maybe this is already too complex for a simple log library... There's nothing simple about logging :-) -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 Oct 16 10:24:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:24:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2BX-0001Mj-0g; Fri, 16 Oct 2015 10:24:27 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2BV-0001MY-TK for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:24:26 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 44/60-06179-950D0265; Fri, 16 Oct 2015 10:24:25 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1444991064!37462402!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16569 invoked from network); 16 Oct 2015 10:24:24 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-10.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 10:24:24 -0000 Received: from [192.168.0.11] (cpc30-cmbg15-2-0-cust247.5-4.cable.virginm.net [86.4.51.248]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id 42EE2123A for ; Fri, 16 Oct 2015 12:24:23 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <5620D02E.3090505@mehnert.org> Date: Fri, 16 Oct 2015 11:23:42 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4531569903960580023==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============4531569903960580023== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Daniel, On 10/16/2015 10:55, Daniel B=C3=BCnzli wrote: > The topic was mentioned again on the mirage call. I also need such a li= brary in many different contexts and I keep on rewriting the bits of a ba= sic logger in too many of my projects. =20 >=20 > I do have a Log module in bos [1] which represents the very basics I'd = like, but I would like to fork it and expand it a bit to make it more use= ful in different contexts and independent of bos =E2=80=94 as it doesn't = depend on it and I'd like for example to be able to use the same interfac= e in js to log to the browser console (see e.g. [2]). Here's roughly what= I have in mind: >=20 > * Format based. > * Simple fixed levels [3]. > * Interaction with result type [4]. > * Notion of logging source and per source log level control. Sources sh= ould be listable (for ui purposes). > * Decoupling of log generation (logging function calls) and reporting (= log output/rendering). =20 > * A few reporting profiles as optional subpackages, for a cli, for js, = etc. >=20 > This will happen soon or later on my side, so if you think you could be= served by that and have ideas about it, speak. That looks great. One idea I had (or some systemd people had, and discussed it with me) is: embed a UUID (or other unique id, depending solely on the source of the message) into each log message. This would allow a generic 'look into the knowledge base at http://wherever for YYYYY for more information', and YYYYY could contain a FAQ with common solutions to the log entry. Now, the presentation of this should for sure be part of the log output/rendering. Your proposed API allows a ?header which could be used to embed such an id. I've no concrete idea how it could be generate= d. Certainly this could be a layer on top of the simple logging library, but it might be handy to have it embedded at the lowest level. What do others think? hannes --DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWINAuAAoJELyJZYjffCjubd8QAKA738vAUTLjcMl8RtuL9Tqq csdn2XBUPTrqyTYITgSJTmSqqfw2U83E1jPaijxk/y8kY37sE95tUeSnD3aRKamB bBhU4mq3Yjc2RkcrlihDwDudnoRaMjZdBjJ+n107JMwytUxOSGmA2l4cw26mNWbx a/NaVSD3VgLXGSca+iHnjd0xvGvsE75xygQzaSYOk8p5oldFy7GSnXYCWJdXf7yS mSV6URwL2ZMrJZf6Ab1a6CdOU+900BN70wgG7PfsZikw44JzpEUw1NxPQZwtbt2d k6GKyyKQTa9KM6ORgz5iRJQqRzoSLvq835DuLaOtzwieSVj4i9Ui3Cx2iEWWYLXA kH3aallBBRScQmeRLRE05+jK4Dp2WDETY8gbBUAjKmablV3fj4gRh0JkEPFASN8e iv4jDWrWaLOhuOtzHsLOSglyk1T+QHYA8z9snVeOLKbdQz2cwZrA7cvG5zbBy+VN WuC3VSBz5R5fvAdlCpUwL+s7jE0kOyova3KioXbe3RBPPu2gxUTgxEdKskpbtaOp FDEOSNi3ig1HZ3mcpEfztHbO3U7OOvx2h5If8aWIkFfmFUcaRUu/aK7k8QFks4ER iTr/v33lnla9hX8QkbA1fO4nxTFs38G30wxqNyHp5RCcCZpLW9xIJAA5flHqnTnN 6rZloGkdUgsSZ4MZ4fGm =Er1W -----END PGP SIGNATURE----- --DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP-- --===============4531569903960580023== 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 --===============4531569903960580023==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 10:24:27 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:24:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2BX-0001Mj-0g; Fri, 16 Oct 2015 10:24:27 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2BV-0001MY-TK for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:24:26 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 44/60-06179-950D0265; Fri, 16 Oct 2015 10:24:25 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-10.tower-206.messagelabs.com!1444991064!37462402!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16569 invoked from network); 16 Oct 2015 10:24:24 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-10.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 10:24:24 -0000 Received: from [192.168.0.11] (cpc30-cmbg15-2-0-cust247.5-4.cable.virginm.net [86.4.51.248]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id 42EE2123A for ; Fri, 16 Oct 2015 12:24:23 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <5620D02E.3090505@mehnert.org> Date: Fri, 16 Oct 2015 11:23:42 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4531569903960580023==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============4531569903960580023== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Daniel, On 10/16/2015 10:55, Daniel B=C3=BCnzli wrote: > The topic was mentioned again on the mirage call. I also need such a li= brary in many different contexts and I keep on rewriting the bits of a ba= sic logger in too many of my projects. =20 >=20 > I do have a Log module in bos [1] which represents the very basics I'd = like, but I would like to fork it and expand it a bit to make it more use= ful in different contexts and independent of bos =E2=80=94 as it doesn't = depend on it and I'd like for example to be able to use the same interfac= e in js to log to the browser console (see e.g. [2]). Here's roughly what= I have in mind: >=20 > * Format based. > * Simple fixed levels [3]. > * Interaction with result type [4]. > * Notion of logging source and per source log level control. Sources sh= ould be listable (for ui purposes). > * Decoupling of log generation (logging function calls) and reporting (= log output/rendering). =20 > * A few reporting profiles as optional subpackages, for a cli, for js, = etc. >=20 > This will happen soon or later on my side, so if you think you could be= served by that and have ideas about it, speak. That looks great. One idea I had (or some systemd people had, and discussed it with me) is: embed a UUID (or other unique id, depending solely on the source of the message) into each log message. This would allow a generic 'look into the knowledge base at http://wherever for YYYYY for more information', and YYYYY could contain a FAQ with common solutions to the log entry. Now, the presentation of this should for sure be part of the log output/rendering. Your proposed API allows a ?header which could be used to embed such an id. I've no concrete idea how it could be generate= d. Certainly this could be a layer on top of the simple logging library, but it might be handy to have it embedded at the lowest level. What do others think? hannes --DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWINAuAAoJELyJZYjffCjubd8QAKA738vAUTLjcMl8RtuL9Tqq csdn2XBUPTrqyTYITgSJTmSqqfw2U83E1jPaijxk/y8kY37sE95tUeSnD3aRKamB bBhU4mq3Yjc2RkcrlihDwDudnoRaMjZdBjJ+n107JMwytUxOSGmA2l4cw26mNWbx a/NaVSD3VgLXGSca+iHnjd0xvGvsE75xygQzaSYOk8p5oldFy7GSnXYCWJdXf7yS mSV6URwL2ZMrJZf6Ab1a6CdOU+900BN70wgG7PfsZikw44JzpEUw1NxPQZwtbt2d k6GKyyKQTa9KM6ORgz5iRJQqRzoSLvq835DuLaOtzwieSVj4i9Ui3Cx2iEWWYLXA kH3aallBBRScQmeRLRE05+jK4Dp2WDETY8gbBUAjKmablV3fj4gRh0JkEPFASN8e iv4jDWrWaLOhuOtzHsLOSglyk1T+QHYA8z9snVeOLKbdQz2cwZrA7cvG5zbBy+VN WuC3VSBz5R5fvAdlCpUwL+s7jE0kOyova3KioXbe3RBPPu2gxUTgxEdKskpbtaOp FDEOSNi3ig1HZ3mcpEfztHbO3U7OOvx2h5If8aWIkFfmFUcaRUu/aK7k8QFks4ER iTr/v33lnla9hX8QkbA1fO4nxTFs38G30wxqNyHp5RCcCZpLW9xIJAA5flHqnTnN 6rZloGkdUgsSZ4MZ4fGm =Er1W -----END PGP SIGNATURE----- --DqDLRTb9O5E9DXAt7VSEJsbMabkG6BFSP-- --===============4531569903960580023== 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 --===============4531569903960580023==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 10:55:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:55:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2fj-0003yq-Kz; Fri, 16 Oct 2015 10:55:39 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2fi-0003yi-SZ for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 10:55:38 +0000 Received: from [85.158.139.211] by server-10.bemta-5.messagelabs.com id 04/D8-17090-AA7D0265; Fri, 16 Oct 2015 10:55:38 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-15.tower-206.messagelabs.com!1444992937!27032113!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26353 invoked from network); 16 Oct 2015 10:55:37 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-15.tower-206.messagelabs.com with SMTP; 16 Oct 2015 10:55:37 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 8590A2082ACB; Fri, 16 Oct 2015 10:55:36 +0000 (UTC) Date: Fri, 16 Oct 2015 11:55:34 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Anil Madhavapeddy Message-ID: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> In-Reply-To: <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgdmVuZHJlZGksIDE2IG9jdG9icmUgMjAxNSDDoCAxMToxMSwgQW5pbCBNYWRoYXZhcGVkZHkg YSDDqWNyaXQgOgo+IEkgcmVhbGx5IGxpa2UgdGhpcyBsaWJyYXJ5IGV4Y2VwdCBmb3IgdGhlIG5v dGlvbiBvZiBsb2cgbGV2ZWxzLiBb4oCmXSB3aXRoIHRoZSBsZXZlbCBzdHVmZiBhZGRlZCBieSBh IGhpZ2hlciBsZXZlbCBsb2dnZXIvbW9uaXRvcj8KCkkgZG9uJ3Qgc2VlIGhvdyBhIGhpZ2hlci1s ZXZlbCBzdHJ1Y3R1cmUgY291bGQgZGVjaWRlIGlmIHRoYXQgc3RyaW5nIG1lc3NhZ2UgaXMgaW5m b3JtYXRpb25hbCwgYSB3YXJuaW5nIG9yIGFuIGVycm9yIGFmdGVyd2FyZHMgKHdoaWNoIGFyZSBl cnJvciBjbGFzc2VzIHRoYXQgaGFwcGVuIHF1aXRlIG5hdHVyYWxseSBpbiBteSBvcGluaW9uKS4g SW4gYW55IGNhc2UgaW4gdGhlIHByb3Bvc2VkIGxpYnJhcnkgdGhlcmUgYXJlIHR3byB3YXlzIHRv IGNvbnRyb2wgaWYgYSBsb2cgZW50cnkgaXMgcmVwb3J0ZWQKCjEpIExldmVscwoyKSBTb3VyY2Vz CgpZb3UgYXJlIG9mIGNvdXJzZSBmcmVlIHRvIGRlZmluZSBvbmx5IGEgc291cmNlIGFuZCB1c2Ug YSBzaW5nbGUgbGV2ZWwgb2YgeW91ciBjaG9pY2UgKGUuZy4gU2hvdyB3aGljaCBzaG91bGQgbWF5 YmUgcmVuYW1lZCkuIEJ1dCBJIHRoaW5rIEkgd2lsbCB0cnkgdG8gYWJzdHJhY3QgdGhlIG5vdGlv biBvZiBsZXZlbCB1bmRlciBhIGxhcmdlciBub3Rpb24gb2YgdGFnLCBzZWUgYmVsb3cuIEVudHJp ZXMgc2hvdWxkIGNhcnJ5IGEgc2V0IG9mIHRhZ3MuIFRoZSBMb2cue3dhcm4sZXJyfSBldGMgd291 bGQgdGhlbiBqdXN0IGFkZCBwcmVkZWZpbmVkIHRhZ3MgZm9yIHRoZXNlIGNsYXNzZXMuIE1heWJl IHNvdXJjZXMgY291bGQgYWN0dWFsbHkgYWxzbyBiZSB0YWdzLiBJJ2xsIHRyeSB0byB0aGluayBz b21ldGhpbmcgYWxvbmcgdGhlc2UgbGluZXMuCgo+IEFuZCBkZWJ1Z2sgaW4gdGhhdCBwdWxsIHJl cXVlc3QgYW5zd2VycyBteSBxdWVyeSBuaWNlbHk6Cj4gIAo+IExvZy5kZWJ1Z2sgInJlY2VpdmVk ICVzICglcykiIEBAIGZ1biBrIC0+IGsgKHByZXR0eSBrKSAocHJldHR5IHYpCkkgcHJlZmVyIG15 IHZlcnNpb24gbWVudGlvbmVkIG9uIHRoZSBzYW1lIHBhZ2UKCiAgTG9nLmRlYnVnICJyZWNlaXZl ZCAlYSAoJWEpIiBwcF9rZXkgayBwcF92YWx1ZSB2Cgp3aGljaCBpcyB0aGUgbmF0dXJhbCB3YXkg b2YgdXNpbmcgRm9ybWF0LiBKZXJlbXkgbWF5IHdhbnQgdG8gY29tbWVudCBvbiB0aGUgcGVyZm9y bWFuY2UgcmVzdWx0cyB0aG91Z2guCgoKTGUgdmVuZHJlZGksIDE2IG9jdG9icmUgMjAxNSDDoCAx MToyMywgSGFubmVzIE1laG5lcnQgYSDDqWNyaXQgOgo+IENlcnRhaW5seSB0aGlzIGNvdWxkIGJl IGEgbGF5ZXIgb24gdG9wIG9mIHRoZSBzaW1wbGUgbG9nZ2luZyBsaWJyYXJ5LAo+IGJ1dCBpdCBt aWdodCBiZSBoYW5keSB0byBoYXZlIGl0IGVtYmVkZGVkIGF0IHRoZSBsb3dlc3QgbGV2ZWwuIFdo YXQgZG8KPiBvdGhlcnMgdGhpbms/CgpNYXliZS4gQXMgc2FpZCBhYm92ZSBJJ2xsIHRyeSB0byBz ZWUgaWYgSSBjYW4gZmluZCBhIGNvbnZlbmllbnQgd2F5IHRvIGdlbmVyYWxpemUgdGhlIG5vdGlv biBvZiBsZXZlbCBpbnRvIGEgbm90aW9uIG9mICJ0YWciLiBSZXBvcnRlcnMgY2FuIHRoZW4gc2lt cGx5IGNvbnN1bHQgdGhlIHRhZ3Mgb2YgYW4gZW50cnkgdG8gcGVyZm9ybSB3aGF0IHRoZXkgbGlr ZS4gQXMgZmFyIGFzIHRhZyBVVUlEIGdlbmVyYXRpb24gaXMgY29uY2VybmVkIEkgZG9uJ3QgdGhp bmsgdGhhdCBhbnl0aGluZyBhdXRvbWF0ZWQgd291bGQgYmUgcHJhY3RpY2FsIGFzIHlvdSBuZWVk IHRvIGJlIGFibGUgdG8gY29udHJvbCB0aGUgVVVJRCBvdmVyIG1vcmUgdGhhbiBvbmUgdmVyc2lv biBvZiB0aGUgc29mdHdhcmUgKHdoaWNoIHJ1bGVzIG91dCBzb3VyY2UgY29kZSBwb3NpdGlvbiBi YXNlZCBoYWNrcykuCgpCZXN0LAoKRGFuaWVsCiAgCgoKCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1p cmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 10:55:46 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 10:55:46 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2fj-0003yq-Kz; 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Fri, 16 Oct 2015 10:55:36 +0000 (UTC) Date: Fri, 16 Oct 2015 11:55:34 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Anil Madhavapeddy Message-ID: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> In-Reply-To: <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgdmVuZHJlZGksIDE2IG9jdG9icmUgMjAxNSDDoCAxMToxMSwgQW5pbCBNYWRoYXZhcGVkZHkg YSDDqWNyaXQgOgo+IEkgcmVhbGx5IGxpa2UgdGhpcyBsaWJyYXJ5IGV4Y2VwdCBmb3IgdGhlIG5v dGlvbiBvZiBsb2cgbGV2ZWxzLiBb4oCmXSB3aXRoIHRoZSBsZXZlbCBzdHVmZiBhZGRlZCBieSBh IGhpZ2hlciBsZXZlbCBsb2dnZXIvbW9uaXRvcj8KCkkgZG9uJ3Qgc2VlIGhvdyBhIGhpZ2hlci1s ZXZlbCBzdHJ1Y3R1cmUgY291bGQgZGVjaWRlIGlmIHRoYXQgc3RyaW5nIG1lc3NhZ2UgaXMgaW5m b3JtYXRpb25hbCwgYSB3YXJuaW5nIG9yIGFuIGVycm9yIGFmdGVyd2FyZHMgKHdoaWNoIGFyZSBl cnJvciBjbGFzc2VzIHRoYXQgaGFwcGVuIHF1aXRlIG5hdHVyYWxseSBpbiBteSBvcGluaW9uKS4g SW4gYW55IGNhc2UgaW4gdGhlIHByb3Bvc2VkIGxpYnJhcnkgdGhlcmUgYXJlIHR3byB3YXlzIHRv IGNvbnRyb2wgaWYgYSBsb2cgZW50cnkgaXMgcmVwb3J0ZWQKCjEpIExldmVscwoyKSBTb3VyY2Vz CgpZb3UgYXJlIG9mIGNvdXJzZSBmcmVlIHRvIGRlZmluZSBvbmx5IGEgc291cmNlIGFuZCB1c2Ug YSBzaW5nbGUgbGV2ZWwgb2YgeW91ciBjaG9pY2UgKGUuZy4gU2hvdyB3aGljaCBzaG91bGQgbWF5 YmUgcmVuYW1lZCkuIEJ1dCBJIHRoaW5rIEkgd2lsbCB0cnkgdG8gYWJzdHJhY3QgdGhlIG5vdGlv biBvZiBsZXZlbCB1bmRlciBhIGxhcmdlciBub3Rpb24gb2YgdGFnLCBzZWUgYmVsb3cuIEVudHJp ZXMgc2hvdWxkIGNhcnJ5IGEgc2V0IG9mIHRhZ3MuIFRoZSBMb2cue3dhcm4sZXJyfSBldGMgd291 bGQgdGhlbiBqdXN0IGFkZCBwcmVkZWZpbmVkIHRhZ3MgZm9yIHRoZXNlIGNsYXNzZXMuIE1heWJl IHNvdXJjZXMgY291bGQgYWN0dWFsbHkgYWxzbyBiZSB0YWdzLiBJJ2xsIHRyeSB0byB0aGluayBz b21ldGhpbmcgYWxvbmcgdGhlc2UgbGluZXMuCgo+IEFuZCBkZWJ1Z2sgaW4gdGhhdCBwdWxsIHJl cXVlc3QgYW5zd2VycyBteSBxdWVyeSBuaWNlbHk6Cj4gIAo+IExvZy5kZWJ1Z2sgInJlY2VpdmVk ICVzICglcykiIEBAIGZ1biBrIC0+IGsgKHByZXR0eSBrKSAocHJldHR5IHYpCkkgcHJlZmVyIG15 IHZlcnNpb24gbWVudGlvbmVkIG9uIHRoZSBzYW1lIHBhZ2UKCiAgTG9nLmRlYnVnICJyZWNlaXZl ZCAlYSAoJWEpIiBwcF9rZXkgayBwcF92YWx1ZSB2Cgp3aGljaCBpcyB0aGUgbmF0dXJhbCB3YXkg b2YgdXNpbmcgRm9ybWF0LiBKZXJlbXkgbWF5IHdhbnQgdG8gY29tbWVudCBvbiB0aGUgcGVyZm9y bWFuY2UgcmVzdWx0cyB0aG91Z2guCgoKTGUgdmVuZHJlZGksIDE2IG9jdG9icmUgMjAxNSDDoCAx MToyMywgSGFubmVzIE1laG5lcnQgYSDDqWNyaXQgOgo+IENlcnRhaW5seSB0aGlzIGNvdWxkIGJl IGEgbGF5ZXIgb24gdG9wIG9mIHRoZSBzaW1wbGUgbG9nZ2luZyBsaWJyYXJ5LAo+IGJ1dCBpdCBt aWdodCBiZSBoYW5keSB0byBoYXZlIGl0IGVtYmVkZGVkIGF0IHRoZSBsb3dlc3QgbGV2ZWwuIFdo YXQgZG8KPiBvdGhlcnMgdGhpbms/CgpNYXliZS4gQXMgc2FpZCBhYm92ZSBJJ2xsIHRyeSB0byBz ZWUgaWYgSSBjYW4gZmluZCBhIGNvbnZlbmllbnQgd2F5IHRvIGdlbmVyYWxpemUgdGhlIG5vdGlv biBvZiBsZXZlbCBpbnRvIGEgbm90aW9uIG9mICJ0YWciLiBSZXBvcnRlcnMgY2FuIHRoZW4gc2lt cGx5IGNvbnN1bHQgdGhlIHRhZ3Mgb2YgYW4gZW50cnkgdG8gcGVyZm9ybSB3aGF0IHRoZXkgbGlr ZS4gQXMgZmFyIGFzIHRhZyBVVUlEIGdlbmVyYXRpb24gaXMgY29uY2VybmVkIEkgZG9uJ3QgdGhp bmsgdGhhdCBhbnl0aGluZyBhdXRvbWF0ZWQgd291bGQgYmUgcHJhY3RpY2FsIGFzIHlvdSBuZWVk IHRvIGJlIGFibGUgdG8gY29udHJvbCB0aGUgVVVJRCBvdmVyIG1vcmUgdGhhbiBvbmUgdmVyc2lv biBvZiB0aGUgc29mdHdhcmUgKHdoaWNoIHJ1bGVzIG91dCBzb3VyY2UgY29kZSBwb3NpdGlvbiBi YXNlZCBoYWNrcykuCgpCZXN0LAoKRGFuaWVsCiAgCgoKCgoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1p cmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 11:04:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 11:04:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2oP-0004ry-8m; Fri, 16 Oct 2015 11:04:37 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2oO-0004rp-0N for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 11:04:36 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 37/F3-04752-3C9D0265; Fri, 16 Oct 2015 11:04:35 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-5.tower-27.messagelabs.com!1444993474!47509645!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18532 invoked from network); 16 Oct 2015 11:04:34 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-5.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 11:04:34 -0000 Received: from [192.168.0.11] (cpc30-cmbg15-2-0-cust247.5-4.cable.virginm.net [86.4.51.248]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id B21841534 for ; Fri, 16 Oct 2015 13:04:30 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <5620D992.9090308@mehnert.org> Date: Fri, 16 Oct 2015 12:03:46 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============0340989931589352437==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============0340989931589352437== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="kj0f16MM8Lj5tuJcG0jHq381NshAfRmUP" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --kj0f16MM8Lj5tuJcG0jHq381NshAfRmUP Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 10/16/2015 11:55, Daniel B=C3=BCnzli wrote: > Le vendredi, 16 octobre 2015 =C3=A0 11:23, Hannes Mehnert a =C3=A9crit = : >> Certainly this could be a layer on top of the simple logging library, >> but it might be handy to have it embedded at the lowest level. What do= >> others think? >=20 > Maybe. As said above I'll try to see if I can find a convenient way to = generalize the notion of level into a notion of "tag". Reporters can then= simply consult the tags of an entry to perform what they like. As far as= tag UUID generation is concerned I don't think that anything automated w= ould be practical as you need to be able to control the UUID over more th= an one version of the software (which rules out source code position base= d hacks). Agreed that source code position is not valuable for this. Maybe the source (library/package) and passed in format string (but then, this changes over time as well [but certainly equality between a set of ids can be defined externally (in the knowledge base)])? Does a reporter has access to some meta-information such as originating library/package and source code position? hannes --kj0f16MM8Lj5tuJcG0jHq381NshAfRmUP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWINmbAAoJELyJZYjffCjuREwQAIctvAL5CW56lkZ2F/sBf69Q cYEknJXibnTjaxLqT7BC+Zr0wsoq0TKHNN+ZBV9MwngC+gdHGoHCKAuJ10QusOzU rKZbOsNmckE/o9189YA5RSV9yn+F0fS+K71BpXoHgqNeMV89UkHSRn0BiE0VrXxH HWWAA/0+pmaFBdt77ai1YDCZ10iJ7xFd20mCeHauD4nrR8TRzKNtq8MLrfRI0qBg exvgCj3/GjBCTdoDnA37DfP5G0fqnn3dY4MNOUXWqBZcJRUsngUVVkwDal2Kz5F1 R16nxX2W0V9XV8Q7pmiGIYOpAvuOh87t56dFcsgOAZ3nSYQnsBXsAbStNFrOL61d oZF/sMluqtjtIV5sGwxoLbg0i0EaRWKer83k6HG0wonuxj+hF+q+FXG7VPc1n4qJ 8zZShxRMMD0/OKaD7kjgIF/MzwYV5+kmSheNrngfW4VgYSpKW5OTT8BE08xUsNXf /X5W1xiRxLoRqXop3H/uWzwTAhSO689HmkSCzzbVOPKBHxDyS3UExBPhWR9qSUZG L4tp71vshZWNz0sgIaUzu53b/upuh5n5VE7DDvrK7Ihlfg8CANr38LPE/IhPYQnX yW/ld5+tEDS+AqBFXW7tBZpHVBjxAskXtqirUvb9v2yn81ZDl0KootdWIIRHxvnK mWjhp/DSI8ZG2HESUXXD =SCw5 -----END PGP SIGNATURE----- --kj0f16MM8Lj5tuJcG0jHq381NshAfRmUP-- --===============0340989931589352437== 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 --===============0340989931589352437==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 11:04:37 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 11:04:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2oP-0004ry-8m; Fri, 16 Oct 2015 11:04:37 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2oO-0004rp-0N for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 11:04:36 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 37/F3-04752-3C9D0265; Fri, 16 Oct 2015 11:04:35 +0000 X-Env-Sender: hannes@mehnert.org X-Msg-Ref: server-5.tower-27.messagelabs.com!1444993474!47509645!1 X-Originating-IP: [213.73.89.200] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18532 invoked from network); 16 Oct 2015 11:04:34 -0000 Received: from mail.mehnert.org (HELO mail.mehnert.org) (213.73.89.200) by server-5.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 11:04:34 -0000 Received: from [192.168.0.11] (cpc30-cmbg15-2-0-cust247.5-4.cable.virginm.net [86.4.51.248]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (Client CN "hannes@mehnert.org", Issuer "mehnert root CA" (not verified)) by mail.mehnert.org (Postfix) with ESMTPS id B21841534 for ; Fri, 16 Oct 2015 13:04:30 +0200 (CEST) To: mirageos-devel@lists.xenproject.org References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> From: Hannes Mehnert Openpgp: id=11B5464249B5BD858FFF6328BC896588DF7C28EE X-Enigmail-Draft-Status: N1110 Message-ID: <5620D992.9090308@mehnert.org> Date: Fri, 16 Oct 2015 12:03:46 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============0340989931589352437==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============0340989931589352437== Content-Type: multipart/signed; micalg=pgp-sha384; protocol="application/pgp-signature"; boundary="kj0f16MM8Lj5tuJcG0jHq381NshAfRmUP" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --kj0f16MM8Lj5tuJcG0jHq381NshAfRmUP Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 10/16/2015 11:55, Daniel B=C3=BCnzli wrote: > Le vendredi, 16 octobre 2015 =C3=A0 11:23, Hannes Mehnert a =C3=A9crit = : >> Certainly this could be a layer on top of the simple logging library, >> but it might be handy to have it embedded at the lowest level. What do= >> others think? >=20 > Maybe. As said above I'll try to see if I can find a convenient way to = generalize the notion of level into a notion of "tag". Reporters can then= simply consult the tags of an entry to perform what they like. As far as= tag UUID generation is concerned I don't think that anything automated w= ould be practical as you need to be able to control the UUID over more th= an one version of the software (which rules out source code position base= d hacks). Agreed that source code position is not valuable for this. Maybe the source (library/package) and passed in format string (but then, this changes over time as well [but certainly equality between a set of ids can be defined externally (in the knowledge base)])? Does a reporter has access to some meta-information such as originating library/package and source code position? hannes --kj0f16MM8Lj5tuJcG0jHq381NshAfRmUP Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCQAGBQJWINmbAAoJELyJZYjffCjuREwQAIctvAL5CW56lkZ2F/sBf69Q cYEknJXibnTjaxLqT7BC+Zr0wsoq0TKHNN+ZBV9MwngC+gdHGoHCKAuJ10QusOzU rKZbOsNmckE/o9189YA5RSV9yn+F0fS+K71BpXoHgqNeMV89UkHSRn0BiE0VrXxH HWWAA/0+pmaFBdt77ai1YDCZ10iJ7xFd20mCeHauD4nrR8TRzKNtq8MLrfRI0qBg exvgCj3/GjBCTdoDnA37DfP5G0fqnn3dY4MNOUXWqBZcJRUsngUVVkwDal2Kz5F1 R16nxX2W0V9XV8Q7pmiGIYOpAvuOh87t56dFcsgOAZ3nSYQnsBXsAbStNFrOL61d oZF/sMluqtjtIV5sGwxoLbg0i0EaRWKer83k6HG0wonuxj+hF+q+FXG7VPc1n4qJ 8zZShxRMMD0/OKaD7kjgIF/MzwYV5+kmSheNrngfW4VgYSpKW5OTT8BE08xUsNXf /X5W1xiRxLoRqXop3H/uWzwTAhSO689HmkSCzzbVOPKBHxDyS3UExBPhWR9qSUZG 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([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2rg-0005D2-Pn for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 11:08:00 +0000 Received: from [193.109.254.147] by server-10.bemta-14.messagelabs.com id 99/75-01143-09AD0265; Fri, 16 Oct 2015 11:08:00 +0000 X-Env-Sender: jdy22@hermes.cam.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1444993679!58891132!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14754 invoked from network); 16 Oct 2015 11:07:59 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-10.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 11:07:59 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from mail-lf0-f54.google.com ([209.85.215.54]:36080) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:587) with esmtpsa (PLAIN:jdy22) (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) id 1Zn2rf-0006xn-Wj (Exim 4.86_36-e07b163) for mirageos-devel@lists.xenproject.org (return-path ); Fri, 16 Oct 2015 12:07:59 +0100 Received: by lfeh64 with SMTP id h64so74684326lfe.3 for ; Fri, 16 Oct 2015 04:07:58 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.25.151.205 with SMTP id z196mr5087397lfd.97.1444993678663; Fri, 16 Oct 2015 04:07:58 -0700 (PDT) Received: by 10.25.24.90 with HTTP; Fri, 16 Oct 2015 04:07:58 -0700 (PDT) In-Reply-To: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> Date: Fri, 16 Oct 2015 12:07:58 +0100 Message-ID: From: Jeremy Yallop To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTYgT2N0b2JlciAyMDE1IGF0IDExOjU1LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBJIHByZWZlciBteSB2ZXJzaW9uIG1lbnRpb25lZCBv biB0aGUgc2FtZSBwYWdlCj4KPiAgIExvZy5kZWJ1ZyAicmVjZWl2ZWQgJWEgKCVhKSIgcHBfa2V5 IGsgcHBfdmFsdWUgdgo+Cj4gd2hpY2ggaXMgdGhlIG5hdHVyYWwgd2F5IG9mIHVzaW5nIEZvcm1h dC4gSmVyZW15IG1heSB3YW50IHRvIGNvbW1lbnQgb24gdGhlIHBlcmZvcm1hbmNlIHJlc3VsdHMg dGhvdWdoLgoKWWVzOiBJJ2xsIGFkZCBhIG5vdGUgb24gdGhhdCB0b3BpYyB0byB0aGUgaXNzdWUg c2hvcnRseS4KCj4gTWF5YmUuIEFzIHNhaWQgYWJvdmUgSSdsbCB0cnkgdG8gc2VlIGlmIEkgY2Fu 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11:08:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2ri-0005F1-JC; Fri, 16 Oct 2015 11:08:02 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn2rg-0005D2-Pn for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 11:08:00 +0000 Received: from [193.109.254.147] by server-10.bemta-14.messagelabs.com id 99/75-01143-09AD0265; Fri, 16 Oct 2015 11:08:00 +0000 X-Env-Sender: jdy22@hermes.cam.ac.uk X-Msg-Ref: server-10.tower-27.messagelabs.com!1444993679!58891132!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 14754 invoked from network); 16 Oct 2015 11:07:59 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-10.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 16 Oct 2015 11:07:59 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from mail-lf0-f54.google.com ([209.85.215.54]:36080) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:587) with esmtpsa (PLAIN:jdy22) (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) id 1Zn2rf-0006xn-Wj (Exim 4.86_36-e07b163) for mirageos-devel@lists.xenproject.org (return-path ); Fri, 16 Oct 2015 12:07:59 +0100 Received: by lfeh64 with SMTP id h64so74684326lfe.3 for ; Fri, 16 Oct 2015 04:07:58 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.25.151.205 with SMTP id z196mr5087397lfd.97.1444993678663; Fri, 16 Oct 2015 04:07:58 -0700 (PDT) Received: by 10.25.24.90 with HTTP; Fri, 16 Oct 2015 04:07:58 -0700 (PDT) In-Reply-To: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> Date: Fri, 16 Oct 2015 12:07:58 +0100 Message-ID: From: Jeremy Yallop To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTYgT2N0b2JlciAyMDE1IGF0IDExOjU1LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBJIHByZWZlciBteSB2ZXJzaW9uIG1lbnRpb25lZCBv biB0aGUgc2FtZSBwYWdlCj4KPiAgIExvZy5kZWJ1ZyAicmVjZWl2ZWQgJWEgKCVhKSIgcHBfa2V5 IGsgcHBfdmFsdWUgdgo+Cj4gd2hpY2ggaXMgdGhlIG5hdHVyYWwgd2F5IG9mIHVzaW5nIEZvcm1h 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b3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 11:25:35 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 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 1Zn38e-0006Zk-C7; Fri, 16 Oct 2015 11:25:32 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn38d-0006Zf-5E for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 11:25:31 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id 53/E4-01753-AAED0265; Fri, 16 Oct 2015 11:25:30 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-7.tower-31.messagelabs.com!1444994729!19206731!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 651 invoked from network); 16 Oct 2015 11:25:29 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-7.tower-31.messagelabs.com with SMTP; 16 Oct 2015 11:25:29 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 4F2322081AA5; Fri, 16 Oct 2015 11:25:28 +0000 (UTC) Date: Fri, 16 Oct 2015 12:25:26 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Jeremy Yallop Message-ID: <4B845F7A94204BE2B22B7932AF1C00BB@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgdmVuZHJlZGksIDE2IG9jdG9icmUgMjAxNSDDoCAxMjowNywgSmVyZW15IFlhbGxvcCBhIMOp Y3JpdCA6Cj4gPiBNYXliZS4gQXMgc2FpZCBhYm92ZSBJJ2xsIHRyeSB0byBzZWUgaWYgSSBjYW4g ZmluZCBhIGNvbnZlbmllbnQgd2F5IHRvIGdlbmVyYWxpemUgdGhlIG5vdGlvbiBvZiBsZXZlbCBp bnRvIGEgbm90aW9uIG9mICJ0YWciLgo+ICAKPiBUaGUgQXN5bmMgbG9nZ2luZyBmcmFtZXdvcmsg dGFrZXMgYSBzaW1pbGFyIGFwcHJvYWNoLCBhbHRob3VnaCBpdAo+IHN1cHBvcnRzIGxldmVscyBh cyB3ZWxsOiBlYWNoIGxvZ2dpbmcgZnVuY3Rpb24gYWNjZXB0cyBhbiBvcHRpb25hbAo+IG11bHRp LW1hcCBvZiB0YWcgbWV0YWRhdGE6Cj4gIAo+IHZhbCByYXcgOiA/dGltZTpDb3JlLlN0ZC5UaW1l 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Y29tcGFyaXNvbiBvbiB0aGUgbG9nIHNvdXJjZSBjdXJyZW50IGxldmVsIHJhdGhlciB0aGFuIGRl dGVybWluZSBpZiBhIHRhZyBzZXQgaXMgYmVpbmcgbWF0Y2hlZCBieSB0aGUgbG9nZ2luZyByZXF1 ZXN0LgoKRGFuaWVsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVu cHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9s aXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 11:25:35 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 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 1Zn38e-0006Zk-C7; Fri, 16 Oct 2015 11:25:32 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn38d-0006Zf-5E for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 11:25:31 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id 53/E4-01753-AAED0265; Fri, 16 Oct 2015 11:25:30 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-7.tower-31.messagelabs.com!1444994729!19206731!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 651 invoked from network); 16 Oct 2015 11:25:29 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-7.tower-31.messagelabs.com with SMTP; 16 Oct 2015 11:25:29 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 4F2322081AA5; Fri, 16 Oct 2015 11:25:28 +0000 (UTC) Date: Fri, 16 Oct 2015 12:25:26 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Jeremy Yallop Message-ID: <4B845F7A94204BE2B22B7932AF1C00BB@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: "=?utf-8?Q?mirageos-devel=40lists.xenproject.org?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgdmVuZHJlZGksIDE2IG9jdG9icmUgMjAxNSDDoCAxMjowNywgSmVyZW15IFlhbGxvcCBhIMOp Y3JpdCA6Cj4gPiBNYXliZS4gQXMgc2FpZCBhYm92ZSBJJ2xsIHRyeSB0byBzZWUgaWYgSSBjYW4g 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<4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> Date: Fri, 16 Oct 2015 13:31:36 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTYgT2N0b2JlciAyMDE1IGF0IDExOjExLCBBbmlsIE1hZGhhdmFwZWRkeSA8YW5pbEByZWNv aWwub3JnPiB3cm90ZToKPgo+PiBPbiAxNiBPY3QgMjAxNSwgYXQgMTA6NTUsIERhbmllbCBCw7xu emxpIDxkYW5pZWwuYnVlbnpsaUBlcnJhdGlxdWUuY2g+IHdyb3RlOgo+Pgo+PiBIZWxsbywKPj4K Pj4gVGhlIHRvcGljIHdhcyBtZW50aW9uZWQgYWdhaW4gb24gdGhlIG1pcmFnZSBjYWxsLiBJIGFs 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Z2hlciBsZXZlbCBsb2dnZXIvbW9uaXRvcj8KPgo+IC1hbmlsCgoKLS0gCkRyIFRob21hcyBMZW9u YXJkICAgICAgICBodHRwOi8vcm9zY2lkdXMuY29tL2Jsb2cvCkdQRzogREE5OCAyNUFFIENBRDAg ODk3NSA3Q0RBICBCRDhFIDA3MTMgM0Y5NiBDQTc0IEQ4QkEKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApN aXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVj dC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 12:31:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 12:31:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4Ae-0003KY-LP; Fri, 16 Oct 2015 12:31:40 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4Ad-0003KR-AA for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 12:31:39 +0000 Received: from [85.158.139.211] by server-2.bemta-5.messagelabs.com id 0A/84-31450-A2EE0265; Fri, 16 Oct 2015 12:31:38 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1444998697!42770361!1 X-Originating-IP: [209.85.213.46] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17414 invoked from network); 16 Oct 2015 12:31:37 -0000 Received: from mail-vk0-f46.google.com (HELO mail-vk0-f46.google.com) (209.85.213.46) by server-5.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 12:31:37 -0000 Received: by vkat63 with SMTP id t63so67290766vka.1 for ; Fri, 16 Oct 2015 05:31:37 -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:content-transfer-encoding; bh=9ht0OxL8W733E381Kj2Xax6gMSzd9TXT0awqGBcb4FU=; b=09+iExDcXEy8+NPnQHeTJJ6X9BjAI5a/piqxgGMfcty6IRW2wreqQc8wWY/E2gGm2M hEIs5f3hoHkoRh4a9ciC6sNyVlPPff4G7KJVi3BqBy9J54VoJqCe2tSNghDBPSauPKmI LDS/az1rNFluRe2HmmfGEP/SMI5qFU3WGZqhyIuBeMsxeOwIGXG5rbKcKffTJvP/CNE6 +02PEq3hUy9MpjotUNiqKDCBC7WwRofzc6SS5qhClj6p+9pJgBguQNJUp7vJUCQQ2mTh MzbVZafReTZQZd1/YmfQWithRn1o8TwuifOvdK3/OC7vRVRO2eD2mNT8LUNUbAb/MmCw aomg== MIME-Version: 1.0 X-Received: by 10.31.178.3 with SMTP id b3mr9078084vkf.19.1444998696761; Fri, 16 Oct 2015 05:31:36 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Fri, 16 Oct 2015 05:31:36 -0700 (PDT) In-Reply-To: <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> Date: Fri, 16 Oct 2015 13:31:36 +0100 Message-ID: From: Thomas Leonard To: Anil Madhavapeddy Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTYgT2N0b2JlciAyMDE1IGF0IDExOjExLCBBbmlsIE1hZGhhdmFwZWRkeSA8YW5pbEByZWNv aWwub3JnPiB3cm90ZToKPgo+PiBPbiAxNiBPY3QgMjAxNSwgYXQgMTA6NTUsIERhbmllbCBCw7xu emxpIDxkYW5pZWwuYnVlbnpsaUBlcnJhdGlxdWUuY2g+IHdyb3RlOgo+Pgo+PiBIZWxsbywKPj4K Pj4gVGhlIHRvcGljIHdhcyBtZW50aW9uZWQgYWdhaW4gb24gdGhlIG1pcmFnZSBjYWxsLiBJIGFs c28gbmVlZCBzdWNoIGEgbGlicmFyeSBpbiBtYW55IGRpZmZlcmVudCBjb250ZXh0cyBhbmQgSSBr ZWVwIG9uIHJld3JpdGluZyB0aGUgYml0cyBvZiBhIGJhc2ljIGxvZ2dlciBpbiB0b28gbWFueSBv ZiBteSBwcm9qZWN0cy4KPj4KPj4gSSBkbyBoYXZlIGEgTG9nIG1vZHVsZSBpbiBib3MgWzFdIHdo aWNoIHJlcHJlc2VudHMgdGhlIHZlcnkgYmFzaWNzIEknZCBsaWtlLCBidXQgSSB3b3VsZCBsaWtl 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aXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVj dC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Fri Oct 16 12:55:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 12:55:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4Xo-00067y-6Q; Fri, 16 Oct 2015 12:55:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4Xn-00067t-8V for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 12:55:35 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 84/40-03763-6C3F0265; Fri, 16 Oct 2015 12:55:34 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1445000132!16970406!1 X-Originating-IP: [209.85.213.51] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3992 invoked from network); 16 Oct 2015 12:55:33 -0000 Received: from mail-vk0-f51.google.com (HELO mail-vk0-f51.google.com) (209.85.213.51) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 12:55:33 -0000 Received: by vkha6 with SMTP id a6so67524670vkh.2 for ; Fri, 16 Oct 2015 05:55:32 -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=vivrcka4eDHSNtXq4Cv2RCMkX6zYLKlHPtwIaGQq1dk=; b=CXRLSjN07dfAUGKltpYDtJldVcet1y5tqCuaz9xQde5m4SKp5m89EOL9ZU7NnniskJ WijZi3a85HyP0DVc6NOUvpIJYpKMsc/Iej5NrS4j0iExmDeev0uy5SOD7ud9pDaCS0mp U0ztYmeU9W4euCreBdBQV3fEPSBpSjLM6l8S6U8WXdIOkZ0Jao7oonAZkhLHK/3DRYbw a6HaezjoRH00QOntTRT4g9rEBNHDekLxvNfW9+knZ6lmtWsfHLcCzdt5q9tXacprTvy2 PopGE9Jv4PFAg0a6Ynk5XRt0o5otQy7sMkjzyf/xCJCSVP3mWNl15xIckun4NqiTapdR rLXw== MIME-Version: 1.0 X-Received: by 10.31.166.206 with SMTP id p197mr9406095vke.52.1445000132609; Fri, 16 Oct 2015 05:55:32 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Fri, 16 Oct 2015 05:55:32 -0700 (PDT) In-Reply-To: <70098495-7F7C-44E5-BAE1-41F8446F7DFF@gazagnaire.org> References: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> <70098495-7F7C-44E5-BAE1-41F8446F7DFF@gazagnaire.org> Date: Fri, 16 Oct 2015 13:55:32 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 16 October 2015 at 11:06, Thomas Gazagnaire wrote: >>> I am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? >> >> No, you just have a single function: >> >> BC.Repo.commit_of_id: t -> commit_id -> commit option Lwt.t >> >> If this returns None then the commit wasn't in the store. If it >> returns Some commit then that commit will stay in the store as long as >> you hold the commit value. Then e.g. "task_of_commit" don't need to >> return an option*, because you know the task will still be there. > > I still don't fully understand your proposal I think. > The `task_of_commit` returns an option because the current branch might be empty (and not have any commit). `task_of_commit{_id}` works on commits, not branches. >Also, a store is potentially shared by multiple Irmin instances, some commits might be persistent on some local stores: what is the semantics when you pull/push between local stores? do the "persistency" property is propagated? I think you're talking about a different design. In your design, if I understand correctly, there are "persistent" and "non-persistent" commits associated with a repository. Are non-persistent ones held only in memory and written to disk only when they become part of the history of a named branch? That could be useful, but forced updates might cause trouble (since a persistent commit wouldn't always be so). What I was proposing what that all commits are persisted on disk. The distinction is that a "commit" is something you have in your store, while a "commit id" identifies a commit that you might or might not have. For example, it makes sense to ask "is $commit_id in my store?". When exporting, you may want to refer to commit IDs that you know the remote has, but which you might not have. >> * (actually, task_of_commit_id currently throws an exception if the >> commit isn't in the store, which isn't ideal) >> >>> Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? >> >> You could think of a commit_id as like a weak ref to a commit. > > ok, so do you propose that every time you make a commit ID persistent, all its parents become persistent as well? In my proposal, committing (e.g. a view/staging-area) writes a commit to the disk and returns a "commit". You can pass this commit value to other functions, knowing that it will remain available. However, if you ask for its ID and then let OCaml GC the commit object, then Irmin is free to remove the commit from the disk store too. > If that's the case, why not simply to (1) do not distinguish between commit and commit IDs (2) always consider commits as weak references but (3) consider them persistent when they are put in a reference. This is the current design, but it means that your commits can be GC'd while you're still using them. e.g. in View.make_head v task ~parents ~contents >>= fun commit -> BC.update_head master commit `update_head` may fail because the commit no longer exists (a Git GC occurred between make_head and update_head). > so then, we you pull/push you are sharing references as well, so it is clear what is persistent or not. It's also fine if GC are run locally, because they then know both of weak references (as they are local) and persistent commits (just read the references). > >>> I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. >> >> I don't see how multi-process can ever work if you allow anonymous branches. > > I agree. Let's add an invariant that only one instance of Irmin should run on a local store -- if we add this, few things in the code can be simplified (for instance the file locking bits in Irmin_unix) but we check that the invariant satisfied and fail to start a new instance otherwise. However, I've realised my proposal doesn't work well for use in the browser: - We can't stop people opening multiple tabs on the same page. - Javascript only recently got support for weak references [1]. [1] https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/WeakMap#Browser_compatibility -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 16 12:55:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 12:55:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4Xo-00067y-6Q; Fri, 16 Oct 2015 12:55:36 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4Xn-00067t-8V for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 12:55:35 +0000 Received: from [85.158.137.68] by server-16.bemta-3.messagelabs.com id 84/40-03763-6C3F0265; Fri, 16 Oct 2015 12:55:34 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-12.tower-31.messagelabs.com!1445000132!16970406!1 X-Originating-IP: [209.85.213.51] X-SpamReason: No, hits=0.8 required=7.0 tests=BODY_RANDOM_LONG, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3992 invoked from network); 16 Oct 2015 12:55:33 -0000 Received: from mail-vk0-f51.google.com (HELO mail-vk0-f51.google.com) (209.85.213.51) by server-12.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 16 Oct 2015 12:55:33 -0000 Received: by vkha6 with SMTP id a6so67524670vkh.2 for ; Fri, 16 Oct 2015 05:55:32 -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=vivrcka4eDHSNtXq4Cv2RCMkX6zYLKlHPtwIaGQq1dk=; b=CXRLSjN07dfAUGKltpYDtJldVcet1y5tqCuaz9xQde5m4SKp5m89EOL9ZU7NnniskJ WijZi3a85HyP0DVc6NOUvpIJYpKMsc/Iej5NrS4j0iExmDeev0uy5SOD7ud9pDaCS0mp U0ztYmeU9W4euCreBdBQV3fEPSBpSjLM6l8S6U8WXdIOkZ0Jao7oonAZkhLHK/3DRYbw a6HaezjoRH00QOntTRT4g9rEBNHDekLxvNfW9+knZ6lmtWsfHLcCzdt5q9tXacprTvy2 PopGE9Jv4PFAg0a6Ynk5XRt0o5otQy7sMkjzyf/xCJCSVP3mWNl15xIckun4NqiTapdR rLXw== MIME-Version: 1.0 X-Received: by 10.31.166.206 with SMTP id p197mr9406095vke.52.1445000132609; Fri, 16 Oct 2015 05:55:32 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Fri, 16 Oct 2015 05:55:32 -0700 (PDT) In-Reply-To: <70098495-7F7C-44E5-BAE1-41F8446F7DFF@gazagnaire.org> References: <968839E3-BD68-46C0-BB34-9D0B6A738309@gazagnaire.org> <70098495-7F7C-44E5-BAE1-41F8446F7DFF@gazagnaire.org> Date: Fri, 16 Oct 2015 13:55:32 +0100 Message-ID: From: Thomas Leonard To: Thomas Gazagnaire Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Irmin GC X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 16 October 2015 at 11:06, Thomas Gazagnaire wrote: >>> I am not sure about the distinction between commit and commit_id. What does it mean in term of API? Do you duplicate every functionsI to take both kinds as argument? >> >> No, you just have a single function: >> >> BC.Repo.commit_of_id: t -> commit_id -> commit option Lwt.t >> >> If this returns None then the commit wasn't in the store. If it >> returns Some commit then that commit will stay in the store as long as >> you hold the commit value. Then e.g. "task_of_commit" don't need to >> return an option*, because you know the task will still be there. > > I still don't fully understand your proposal I think. > The `task_of_commit` returns an option because the current branch might be empty (and not have any commit). `task_of_commit{_id}` works on commits, not branches. >Also, a store is potentially shared by multiple Irmin instances, some commits might be persistent on some local stores: what is the semantics when you pull/push between local stores? do the "persistency" property is propagated? I think you're talking about a different design. In your design, if I understand correctly, there are "persistent" and "non-persistent" commits associated with a repository. Are non-persistent ones held only in memory and written to disk only when they become part of the history of a named branch? That could be useful, but forced updates might cause trouble (since a persistent commit wouldn't always be so). What I was proposing what that all commits are persisted on disk. The distinction is that a "commit" is something you have in your store, while a "commit id" identifies a commit that you might or might not have. For example, it makes sense to ask "is $commit_id in my store?". When exporting, you may want to refer to commit IDs that you know the remote has, but which you might not have. >> * (actually, task_of_commit_id currently throws an exception if the >> commit isn't in the store, which isn't ideal) >> >>> Also how the user decide when to create a commit or a commit_id? Persistent commit vs. non-persistent commit might make sense, but what happen if the parents of a persistent commit are not persistent: do they become persistent? Are they GC'ed as well? >> >> You could think of a commit_id as like a weak ref to a commit. > > ok, so do you propose that every time you make a commit ID persistent, all its parents become persistent as well? In my proposal, committing (e.g. a view/staging-area) writes a commit to the disk and returns a "commit". You can pass this commit value to other functions, knowing that it will remain available. However, if you ask for its ID and then let OCaml GC the commit object, then Irmin is free to remove the commit from the disk store too. > If that's the case, why not simply to (1) do not distinguish between commit and commit IDs (2) always consider commits as weak references but (3) consider them persistent when they are put in a reference. This is the current design, but it means that your commits can be GC'd while you're still using them. e.g. in View.make_head v task ~parents ~contents >>= fun commit -> BC.update_head master commit `update_head` may fail because the commit no longer exists (a Git GC occurred between make_head and update_head). > so then, we you pull/push you are sharing references as well, so it is clear what is persistent or not. It's also fine if GC are run locally, because they then know both of weak references (as they are local) and persistent commits (just read the references). > >>> I think it is important to keep the multiple-process safe if possible. Could be as simple as the GC adding a lock file somewhere (which will stop the world). If we enforce having only one Irmin process running over a local store, the invariant should be checked carefully. >> >> I don't see how multi-process can ever work if you allow anonymous branches. > > I agree. Let's add an invariant that only one instance of Irmin should run on a local store -- if we add this, few things in the code can be simplified (for instance the file locking bits in Irmin_unix) but we check that the invariant satisfied and fail to start a new instance otherwise. However, I've realised my proposal doesn't work well for use in the browser: - We can't stop people opening multiple tabs on the same page. - Javascript only recently got support for weak references [1]. [1] https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/WeakMap#Browser_compatibility -- Dr Thomas Leonard http://roscidus.com/blog/ 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 Oct 16 13:21:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 16 Oct 2015 13:21:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4wv-00089e-WC; Fri, 16 Oct 2015 13:21:33 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zn4wu-00089Z-S3 for mirageos-devel@lists.xenproject.org; Fri, 16 Oct 2015 13:21:32 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id E6/15-10678-CD9F0265; Fri, 16 Oct 2015 13:21:32 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-7.tower-31.messagelabs.com!1445001689!19253337!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3436 invoked from network); 16 Oct 2015 13:21:29 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-7.tower-31.messagelabs.com with SMTP; 16 Oct 2015 13:21:29 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 3A3D8207F2A6; Fri, 16 Oct 2015 13:21:27 +0000 (UTC) Date: Fri, 16 Oct 2015 14:21:26 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-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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Fri, 16 Oct 2015 13:21:27 +0000 (UTC) Date: Fri, 16 Oct 2015 14:21:26 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgdmVuZHJlZGksIDE2IG9jdG9icmUgMjAxNSDDoCAxMzozMSwgVGhvbWFzIExlb25hcmQgYSDD qWNyaXQgOgo+IEkgdGhpbmsgdGhlIGtleSBoZXJlIChhcyB5b3UgbWVudGlvbmVkKSBpcyBzcGxp dHRpbmcgdGhlIGNvbGxlY3Rpb24KPiBsaWJyYXJ5IGZyb20gdGhlIHJlcG9ydGluZy4gVGhlIGNv bGxlY3Rpb24gcGFydCBuZWVkcyB0byBoYXZlIG1pbmltYWwKPiBkZXBlbmRlbmNpZXMgc28gYW55 b25lIHdyaXRpbmcgYW4gT0NhbWwgbGlicmFyeSB3aWxsIGJlIGhhcHB5IHRvIHVzZQo+IGl0LiAg CgpPbmx5IHRoZSByZXN1bHQgY29tcGF0aWJpbGl0eSBwYWNrYWdlIHdpbGwgYmUgZGVwZW5kZWQg dXBvbi4KCj4gVGhpcyBpcyB0aGUgaGFyZCBwYXJ0LCBiZWNhdXNlIHlvdSBoYXZlIHRvIGdldCBl dmVyeW9uZSB0byBhZ3JlZQo+IDstKQoKV2VsbCB1c3VhbGx5IEkgZG8gc29tZXRoaW5nIGFuZCBw ZW9wbGUgdXNlIGl0IGlmIHRoZXkgd2FudOKApiBJIGxpa2UgdG8gZ2V0IGZlZWRiYWNrLCBidXQg ZmVlZGJhY2sgbXVzdCBhbHdheXMgYmUgdGFrZW4gd2l0aCBhIGtpbG9ncmFtIG9mIHNhbHQuIElu IHRoZSBlbmQgaXRzIGFsd2F5cyBmaW5lIGZvciBtZSBpZiBub3QgZXZlcnlib2R5IGFncmVlcy4K ICAKPiBMb2cuZXJyb3IgLT4gYSBodW1hbiBzaG91bGQgYmUgYWxlcnRlZCAoYnkgZGVmYXVsdCkg dGhhdCB0aGlzIGhhcyBoYXBwZW5lZAo+IExvZy53YXJuaW5nIC0+IGlmIGl0J3Mgbm90IHdvcmtp bmcsIGNoZWNrIHRoZXNlIG1lc3NhZ2VzIGZpcnN0Cj4gTG9nLmluZm8gLT4gYSBodW1hbiBzaG91 bGQgc2VlIHRoaXMgYnkgZGVmYXVsdCBpZiB0aGV5IGxvb2sgYXQgdGhlIGxvZ3MKPiBMb2cuZGVi dWcgLT4gdGhpcyBzaG91bGQgbm90IGJlIHNob3duIGJ5IGRlZmF1bHQKCkkgd291bGQganVzdCBs aWtlIHRvIGNvbW1lbnQgb24gd2h5IEkgaGF2ZSB0aGF0IExvZy5zaG93IGxldmVsIGluIHRoZXJl IChtYXliZSBhIGJldHRlciBuYW1lIHNob3VsZCBiZSBmb3VuZCwgc3VnZ2VzdGlvbnMgd2VsY29t ZSkuIFRoZXJlIGFyZSAoY2xpKSBwcm9ncmFtcyB3aG9zZSBuYXR1cmFsIGR1dHkgaXMgdG8gaGF2 ZSB0aGVpciBvdXRwdXQgc2hvdyBwcm9ncmVzcyBvciBhIGtpbmQgb2YgY29uc29sZSBpbnRlcm1p bmdsZWQgd2l0aCB0aGUgbG9nIG1lc3NhZ2VzIOKAlCBlLmcuIG9wYW0sIGEgYnVpbGQgc3lzdGVt IG9yIGEgdGVzdCBzdWl0ZS4gQXQgdGhlIHRpbWUgaXQgc2VlbWVkIHN1Y2ggImNvbnNvbGVzIiBk byBhY3R1YWxseSBuYXR1cmFsbHkgYmxlbmQgaW50byB0aGUgbG9nZ2luZyBtZWNoYW5pc20gYXMg dGhlIGxvd2VzdCBsb2dnaW5nIGxldmVsIHdoaWNoIGFsbG93cyB0byBlYXNpbHkgcmV1c2UgdGhl IHJlcG9ydGluZy9yZWRpcmVjdGlvbi9xdWlldG5lc3MgY29udHJvbCBvZiB0aGUgbG9nZ2luZyBm cmFtZXdvcmsgZm9yIHRoYXQgYXN3ZWxsLiBTdGlsbCBhIGxpdHRsZSBiaXQgdW5zdXJlIHdoZXRo ZXIgdGhpcyBzaG91bGQgYmUga2VwdCBvciBub3QgdGhvdWdoLgoKQmVzdCwKCkRhbmllbAoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2 ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3Mt ZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 10:57:59 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 10:57:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPBM-0005N2-Bc; 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Sat, 17 Oct 2015 11:57:44 +0100 From: Rupert Horlick Message-Id: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Sat, 17 Oct 2015 11:58:19 +0100 To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) X-Mailer: Apple Mail (2.3094) Subject: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8376208948806456830==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8376208948806456830== Content-Type: multipart/alternative; boundary="Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D" --Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi all, I am currently working on building a functor which takes a V1.BLOCK = implementation and creates a new BLOCK implementation, with ORAM = capabilities. I=E2=80=99ve been looking through the APIs and I had a couple of = questions about the structure of things: Is there any specific reason why mirage-block-unix = and mirage-block-xen = both implement V1.BLOCK and add types themselves, rather than = implementing V1.BLOCK_LWT? Both implementations have a =E2=80=9Cconnect" method of type "string -> = [`Ok of t | `Error of error] io=E2=80=9D, is there a reason why this is = not part of the BLOCK signature? It would be nice to be able to rely on = the implementation having this method. It would be great to clarify these points before I move ahead with the = implementation. Thanks, Rupert= --Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Hi all,

I = am currently working on building a functor which takes a V1.BLOCK = implementation and creates a new BLOCK implementation, with ORAM = capabilities.

I=E2=80=99ve been looking through the APIs and I had a couple = of questions about the structure of things:

  1. Is there any specific reason why mirage-block-unix and mirage-block-xen both implement V1.BLOCK = and add types themselves, rather than implementing V1.BLOCK_LWT?
  2. Both implementations have a =E2=80=9Cconnect" method of type = "string -> [`Ok of t | `Error of error] io=E2=80=9D, is there a reason why this is not part of = the BLOCK signature? It would be nice to be able to rely on the = implementation having this method.

It would be great to clarify = these points before I move ahead with the implementation.

Thanks,

Rupert
= --Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D-- --===============8376208948806456830== 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 --===============8376208948806456830==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 10:57:59 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 10:57:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPBM-0005N2-Bc; Sat, 17 Oct 2015 10:57:48 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPBK-0005Mx-SD for mirageos-devel@lists.xenproject.org; Sat, 17 Oct 2015 10:57:46 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 5D/41-30270-AA922265; Sat, 17 Oct 2015 10:57:46 +0000 X-Env-Sender: rh572@cam.ac.uk X-Msg-Ref: server-3.tower-206.messagelabs.com!1445079465!10835611!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 6749 invoked from network); 17 Oct 2015 10:57:45 -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; 17 Oct 2015 10:57:45 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-26-238-2.eduroam.homerton.private.cam.ac.uk ([172.26.238.2]:63573) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:25) with esmtpsa (PLAIN:rh572) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1ZnPBI-0005BS-rK (Exim 4.86_36-e07b163) for mirageos-devel@lists.xenproject.org (return-path ); Sat, 17 Oct 2015 11:57:44 +0100 From: Rupert Horlick Message-Id: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Sat, 17 Oct 2015 11:58:19 +0100 To: mirageos-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) X-Mailer: Apple Mail (2.3094) Subject: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8376208948806456830==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8376208948806456830== Content-Type: multipart/alternative; boundary="Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D" --Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi all, I am currently working on building a functor which takes a V1.BLOCK = implementation and creates a new BLOCK implementation, with ORAM = capabilities. I=E2=80=99ve been looking through the APIs and I had a couple of = questions about the structure of things: Is there any specific reason why mirage-block-unix = and mirage-block-xen = both implement V1.BLOCK and add types themselves, rather than = implementing V1.BLOCK_LWT? Both implementations have a =E2=80=9Cconnect" method of type "string -> = [`Ok of t | `Error of error] io=E2=80=9D, is there a reason why this is = not part of the BLOCK signature? It would be nice to be able to rely on = the implementation having this method. It would be great to clarify these points before I move ahead with the = implementation. Thanks, Rupert= --Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Hi all,

I = am currently working on building a functor which takes a V1.BLOCK = implementation and creates a new BLOCK implementation, with ORAM = capabilities.

I=E2=80=99ve been looking through the APIs and I had a couple = of questions about the structure of things:

  1. Is there any specific reason why mirage-block-unix and mirage-block-xen both implement V1.BLOCK = and add types themselves, rather than implementing V1.BLOCK_LWT?
  2. Both implementations have a =E2=80=9Cconnect" method of type = "string -> [`Ok of t | `Error of error] io=E2=80=9D, is there a reason why this is not part of = the BLOCK signature? It would be nice to be able to rely on the = implementation having this method.

It would be great to clarify = these points before I move ahead with the implementation.

Thanks,

Rupert
= --Apple-Mail=_1AECC006-A4E9-4D89-8D0D-AF4DD236636D-- --===============8376208948806456830== 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 --===============8376208948806456830==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:17:09 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:17:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPU1-0006Do-P2; Sat, 17 Oct 2015 11:17:05 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPU0-0006Dj-9L for mirageos-devel@lists.xenproject.org; Sat, 17 Oct 2015 11:17:04 +0000 Received: from [85.158.137.68] by server-2.bemta-3.messagelabs.com id 8F/C5-21201-F2E22265; Sat, 17 Oct 2015 11:17:03 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-31.messagelabs.com!1445080622!52822782!1 X-Originating-IP: [209.85.213.50] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9336 invoked from network); 17 Oct 2015 11:17:02 -0000 Received: from mail-vk0-f50.google.com (HELO mail-vk0-f50.google.com) (209.85.213.50) by server-4.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Oct 2015 11:17:02 -0000 Received: by vkha6 with SMTP id a6so81838940vkh.2 for ; Sat, 17 Oct 2015 04:17:01 -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=JFV1ZDxqZrcLI/e8+9MoysG+vLdwwXyrR0NVmIG6RmY=; b=wx0K+eP0S++JJPOQKDgx7vaKd1wcPyOBNq66VAzwiLNVoivCXCEXz9RhVz20ZBmwzj gVb3I1GC6tf+xIvUr6sqZJKEdw1FpzlzmY57Mh1QMFmqMe/+SJ6jEpnv32FhAeT4jrhB m/BMwUgsqOVbW2vBm35HPB8WlS8AALz503l5iYlngNOBZwwG1W0tI0YhNyWbTTjCD3rk HMzCp5v6+t6VDGDS2u8mlmLeiioZJ9Sgb3+GsxBvSai4fE8VfbRcFj/FjnYSu7REJ3YI oFfWXsOwQGXAtnGuwqtBpEWrSxyb/MAgTImgSQ6xXKfzj1PzXJVF9rJ0UrZegUiiXGTQ y/BQ== MIME-Version: 1.0 X-Received: by 10.31.1.4 with SMTP id 4mr9658173vkb.112.1445080621672; Sat, 17 Oct 2015 04:17:01 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Sat, 17 Oct 2015 04:17:01 -0700 (PDT) In-Reply-To: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Sat, 17 Oct 2015 12:17:01 +0100 Message-ID: From: Thomas Leonard To: Rupert Horlick Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTcgT2N0b2JlciAyMDE1IGF0IDExOjU4LCBSdXBlcnQgSG9ybGljayA8cmg1NzJAY2FtLmFj LnVrPiB3cm90ZToKPiBIaSBhbGwsCj4KPiBJIGFtIGN1cnJlbnRseSB3b3JraW5nIG9uIGJ1aWxk aW5nIGEgZnVuY3RvciB3aGljaCB0YWtlcyBhIFYxLkJMT0NLCj4gaW1wbGVtZW50YXRpb24gYW5k IGNyZWF0ZXMgYSBuZXcgQkxPQ0sgaW1wbGVtZW50YXRpb24sIHdpdGggT1JBTQo+IGNhcGFiaWxp dGllcy4KPgo+IEnigJl2ZSBiZWVuIGxvb2tpbmcgdGhyb3VnaCB0aGUgQVBJcyBhbmQgSSBoYWQg YSBjb3VwbGUgb2YgcXVlc3Rpb25zIGFib3V0IHRoZQo+IHN0cnVjdHVyZSBvZiB0aGluZ3M6Cj4K PiBJcyB0aGVyZSBhbnkgc3BlY2lmaWMgcmVhc29uIHdoeSBtaXJhZ2UtYmxvY2stdW5peCBhbmQg bWlyYWdlLWJsb2NrLXhlbiBib3RoCj4gaW1wbGVtZW50IFYxLkJMT0NLIGFuZCBhZGQgdHlwZXMg dGhlbXNlbHZlcywgcmF0aGVyIHRoYW4gaW1wbGVtZW50aW5nCj4gVjEuQkxPQ0tfTFdUPwoKSSBk b24ndCB0aGluayBzby4gSXQgZG9lcyB0aGUgc2FtZSB0aGluZyAoYXBhcnQgZnJvbSBhbHNvIGRl ZmluaW5nIHRoZQpkZXByZWNhdGVkICJpZCIgdHlwZSwgd2hpY2ggY291bGQgYmUgcmVtb3ZlZCBu b3cpLgoKPiBCb3RoIGltcGxlbWVudGF0aW9ucyBoYXZlIGEg4oCcY29ubmVjdCIgbWV0aG9kIG9m IHR5cGUgInN0cmluZyAtPiBbYE9rIG9mIHQgfAo+IGBFcnJvciBvZiBlcnJvcl0gaW/igJ0sIGlz IHRoZXJlIGEgcmVhc29uIHdoeSB0aGlzIGlzIG5vdCBwYXJ0IG9mIHRoZSBCTE9DSwo+IHNpZ25h dHVyZT8gSXQgd291bGQgYmUgbmljZSB0byBiZSBhYmxlIHRvIHJlbHkgb24gdGhlIGltcGxlbWVu dGF0aW9uIGhhdmluZwo+IHRoaXMgbWV0aG9kLgoKV2hhdCBkbyB5b3UgbmVlZCBpdCBmb3I/IFlv dSBzaG91bGQgYmUgYWJsZSB0byBkZWZpbmUgeW91ciBvd24gY29ubmVjdAptZXRob2QgdGhhdCB0 YWtlcyBhbiBpbnN0YW5jZSBvZiB0aGUgdW5kZXJseWluZyBibG9jayBkZXZpY2UgYW5kIHdyYXBz Cml0IHdpdGggeW91ciB0eXBlLiBZb3Ugc2hvdWxkbid0IG5lZWQgdG8gY2FsbCB0aGUgdW5kZXJs eWluZyBkZXZpY2Uncwpjb25uZWN0IG1ldGhvZCB5b3Vyc2VsZiAoYW5kIGRpZmZlcmVudCBkZXZp Y2VzIHdpbGwgcmVxdWlyZSBkaWZmZXJlbnQKYXJndW1lbnRzKS4KCkFjdHVhbGx5LCB0aGUgY3Vy cmVudCAiY29ubmVjdCIgc2lnbmF0dXJlcyBhcmVuJ3QgdmVyeSBnb29kLiBJZGVhbGx5LAptaXJh Z2UtYmxvY2steGVuJ3MgY29ubmVjdCBmdW5jdGlvbiB3b3VsZCB0YWtlIGEgWGVuU3RvcmUgYXJn dW1lbnQsCmZvciBleGFtcGxlLCByYXRoZXIgdGhhbiBmaXNoaW5nIG9uZSBvdXQgb2YgdGhlIGVu dmlyb25tZW50LgoKPiBJdCB3b3VsZCBiZSBncmVhdCB0byBjbGFyaWZ5IHRoZXNlIHBvaW50cyBi ZWZvcmUgSSBtb3ZlIGFoZWFkIHdpdGggdGhlCj4gaW1wbGVtZW50YXRpb24uCj4KPiBUaGFua3Ms Cj4KPiBSdXBlcnQKCgotLSAKRHIgVGhvbWFzIExlb25hcmQgICAgICAgIGh0dHA6Ly9yb3NjaWR1 cy5jb20vYmxvZy8KR1BHOiBEQTk4IDI1QUUgQ0FEMCA4OTc1IDdDREEgIEJEOEUgMDcxMyAzRjk2 IENBNzQgRDhCQQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnBy b2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlz dGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:17:09 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:17:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPU1-0006Do-P2; Sat, 17 Oct 2015 11:17:05 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPU0-0006Dj-9L for mirageos-devel@lists.xenproject.org; Sat, 17 Oct 2015 11:17:04 +0000 Received: from [85.158.137.68] by server-2.bemta-3.messagelabs.com id 8F/C5-21201-F2E22265; Sat, 17 Oct 2015 11:17:03 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-4.tower-31.messagelabs.com!1445080622!52822782!1 X-Originating-IP: [209.85.213.50] X-SpamReason: No, hits=0.6 required=7.0 tests=MAILTO_TO_SPAM_ADDR, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9336 invoked from network); 17 Oct 2015 11:17:02 -0000 Received: from mail-vk0-f50.google.com (HELO mail-vk0-f50.google.com) (209.85.213.50) by server-4.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 17 Oct 2015 11:17:02 -0000 Received: by vkha6 with SMTP id a6so81838940vkh.2 for ; Sat, 17 Oct 2015 04:17:01 -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=JFV1ZDxqZrcLI/e8+9MoysG+vLdwwXyrR0NVmIG6RmY=; b=wx0K+eP0S++JJPOQKDgx7vaKd1wcPyOBNq66VAzwiLNVoivCXCEXz9RhVz20ZBmwzj gVb3I1GC6tf+xIvUr6sqZJKEdw1FpzlzmY57Mh1QMFmqMe/+SJ6jEpnv32FhAeT4jrhB m/BMwUgsqOVbW2vBm35HPB8WlS8AALz503l5iYlngNOBZwwG1W0tI0YhNyWbTTjCD3rk HMzCp5v6+t6VDGDS2u8mlmLeiioZJ9Sgb3+GsxBvSai4fE8VfbRcFj/FjnYSu7REJ3YI oFfWXsOwQGXAtnGuwqtBpEWrSxyb/MAgTImgSQ6xXKfzj1PzXJVF9rJ0UrZegUiiXGTQ y/BQ== MIME-Version: 1.0 X-Received: by 10.31.1.4 with SMTP id 4mr9658173vkb.112.1445080621672; Sat, 17 Oct 2015 04:17:01 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Sat, 17 Oct 2015 04:17:01 -0700 (PDT) In-Reply-To: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Sat, 17 Oct 2015 12:17:01 +0100 Message-ID: From: Thomas Leonard To: Rupert Horlick Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTcgT2N0b2JlciAyMDE1IGF0IDExOjU4LCBSdXBlcnQgSG9ybGljayA8cmg1NzJAY2FtLmFj LnVrPiB3cm90ZToKPiBIaSBhbGwsCj4KPiBJIGFtIGN1cnJlbnRseSB3b3JraW5nIG9uIGJ1aWxk aW5nIGEgZnVuY3RvciB3aGljaCB0YWtlcyBhIFYxLkJMT0NLCj4gaW1wbGVtZW50YXRpb24gYW5k IGNyZWF0ZXMgYSBuZXcgQkxPQ0sgaW1wbGVtZW50YXRpb24sIHdpdGggT1JBTQo+IGNhcGFiaWxp dGllcy4KPgo+IEnigJl2ZSBiZWVuIGxvb2tpbmcgdGhyb3VnaCB0aGUgQVBJcyBhbmQgSSBoYWQg YSBjb3VwbGUgb2YgcXVlc3Rpb25zIGFib3V0IHRoZQo+IHN0cnVjdHVyZSBvZiB0aGluZ3M6Cj4K PiBJcyB0aGVyZSBhbnkgc3BlY2lmaWMgcmVhc29uIHdoeSBtaXJhZ2UtYmxvY2stdW5peCBhbmQg bWlyYWdlLWJsb2NrLXhlbiBib3RoCj4gaW1wbGVtZW50IFYxLkJMT0NLIGFuZCBhZGQgdHlwZXMg dGhlbXNlbHZlcywgcmF0aGVyIHRoYW4gaW1wbGVtZW50aW5nCj4gVjEuQkxPQ0tfTFdUPwoKSSBk b24ndCB0aGluayBzby4gSXQgZG9lcyB0aGUgc2FtZSB0aGluZyAoYXBhcnQgZnJvbSBhbHNvIGRl ZmluaW5nIHRoZQpkZXByZWNhdGVkICJpZCIgdHlwZSwgd2hpY2ggY291bGQgYmUgcmVtb3ZlZCBu b3cpLgoKPiBCb3RoIGltcGxlbWVudGF0aW9ucyBoYXZlIGEg4oCcY29ubmVjdCIgbWV0aG9kIG9m IHR5cGUgInN0cmluZyAtPiBbYE9rIG9mIHQgfAo+IGBFcnJvciBvZiBlcnJvcl0gaW/igJ0sIGlz IHRoZXJlIGEgcmVhc29uIHdoeSB0aGlzIGlzIG5vdCBwYXJ0IG9mIHRoZSBCTE9DSwo+IHNpZ25h dHVyZT8gSXQgd291bGQgYmUgbmljZSB0byBiZSBhYmxlIHRvIHJlbHkgb24gdGhlIGltcGxlbWVu dGF0aW9uIGhhdmluZwo+IHRoaXMgbWV0aG9kLgoKV2hhdCBkbyB5b3UgbmVlZCBpdCBmb3I/IFlv dSBzaG91bGQgYmUgYWJsZSB0byBkZWZpbmUgeW91ciBvd24gY29ubmVjdAptZXRob2QgdGhhdCB0 YWtlcyBhbiBpbnN0YW5jZSBvZiB0aGUgdW5kZXJseWluZyBibG9jayBkZXZpY2UgYW5kIHdyYXBz Cml0IHdpdGggeW91ciB0eXBlLiBZb3Ugc2hvdWxkbid0IG5lZWQgdG8gY2FsbCB0aGUgdW5kZXJs eWluZyBkZXZpY2Uncwpjb25uZWN0IG1ldGhvZCB5b3Vyc2VsZiAoYW5kIGRpZmZlcmVudCBkZXZp Y2VzIHdpbGwgcmVxdWlyZSBkaWZmZXJlbnQKYXJndW1lbnRzKS4KCkFjdHVhbGx5LCB0aGUgY3Vy cmVudCAiY29ubmVjdCIgc2lnbmF0dXJlcyBhcmVuJ3QgdmVyeSBnb29kLiBJZGVhbGx5LAptaXJh Z2UtYmxvY2steGVuJ3MgY29ubmVjdCBmdW5jdGlvbiB3b3VsZCB0YWtlIGEgWGVuU3RvcmUgYXJn dW1lbnQsCmZvciBleGFtcGxlLCByYXRoZXIgdGhhbiBmaXNoaW5nIG9uZSBvdXQgb2YgdGhlIGVu dmlyb25tZW50LgoKPiBJdCB3b3VsZCBiZSBncmVhdCB0byBjbGFyaWZ5IHRoZXNlIHBvaW50cyBi ZWZvcmUgSSBtb3ZlIGFoZWFkIHdpdGggdGhlCj4gaW1wbGVtZW50YXRpb24uCj4KPiBUaGFua3Ms Cj4KPiBSdXBlcnQKCgotLSAKRHIgVGhvbWFzIExlb25hcmQgICAgICAgIGh0dHA6Ly9yb3NjaWR1 cy5jb20vYmxvZy8KR1BHOiBEQTk4IDI1QUUgQ0FEMCA4OTc1IDdDREEgIEJEOEUgMDcxMyAzRjk2 IENBNzQgRDhCQQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnBy b2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlz dGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:18:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:18:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPVf-0006Fo-W5; Sat, 17 Oct 2015 11:18:47 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPVe-0006Fj-Dj for mirageos-devel@lists.xenproject.org; Sat, 17 Oct 2015 11:18:46 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id DA/F3-24856-59E22265; Sat, 17 Oct 2015 11:18:45 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-13.tower-206.messagelabs.com!1445080724!13066832!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.7 required=7.0 tests=HTML_50_60,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11486 invoked from network); 17 Oct 2015 11:18:44 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-13.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 17 Oct 2015 11:18:44 -0000 Received: by wicgb1 with SMTP id gb1so39111550wic.1 for ; Sat, 17 Oct 2015 04:18:44 -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=DFEY87qxxLfoDdaApi7upXvrKyMNMhHrdkkYNPZDz7Y=; b=Sa/X9hEIOajsLfYPqBDvibGPprsuFgj1nn4nP0v6Eu8rIAmqTvsEhML7fA4/c2XCvz Vf/7AqbHAzJHhQb57alwpjOVnWcofwO1QIP0WRJHHiv2nSqXMYzzPs60dmVV8Z3+SzFR 2tldg4L8QvGpbnJjYEeZfJnPEBPMwnjw/WPP40EhfdZ5I+pDtktJipRvrd5AbLRnkH3g N9XdjEXcJz8PdPk3gxW2GV4QoNX6wHGJpwlmLD3m3T/1gAB4abwWGOk5Ue6hnQTgtaZD oYSs6oy4dRaC1OQDwhomjTiUlgyKhlOE4VUS50Ffc6iXAdmxQg9gca68a36YFkSfdiB9 xyJQ== MIME-Version: 1.0 X-Received: by 10.180.87.138 with SMTP id ay10mr10600782wib.12.1445080723881; Sat, 17 Oct 2015 04:18:43 -0700 (PDT) Received: by 10.28.18.71 with HTTP; Sat, 17 Oct 2015 04:18:43 -0700 (PDT) In-Reply-To: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Sat, 17 Oct 2015 12:18:43 +0100 Message-ID: From: David Scott To: Rupert Horlick Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8293073026555642562==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8293073026555642562== Content-Type: multipart/alternative; boundary=f46d0444809538088805224b1322 --f46d0444809538088805224b1322 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi, On Sat, Oct 17, 2015 at 11:58 AM, Rupert Horlick wrote: > Hi all, > > I am currently working on building a functor which takes a V1.BLOCK > implementation and creates a new BLOCK implementation, with ORAM > capabilities. > > I=E2=80=99ve been looking through the APIs and I had a couple of question= s about > the structure of things: > > > 1. Is there any specific reason why mirage-block-unix > > and mirage-block-xen > both > implement V1.BLOCK and add types themselves, rather than implementing > V1.BLOCK_LWT? > > No reason at all that I can see or think of. We should probably use `V1_LWT.BLOCK` to simplify things (a little). > > 1. Both implementations have a =E2=80=9Cconnect" method of type "strin= g -> [`Ok > of t | `Error of error] io=E2=80=9D, is there a reason why this is not= part of > the BLOCK signature? It would be nice to be able to rely on the > implementation having this method. > > Ah, this is on purpose. IIRC there are 2 reasons: 1. we wanted to allow implementations to use types other than strings https://github.com/mirage/mirage-block-volume/blob/354ba1697f564380ff563751= 7f77b5931eabdb16/lib/vg.mli#L113 https://github.com/mirage/mirage-block-volume/blob/354ba1697f564380ff563751= 7f77b5931eabdb16/lib/vg.ml#L347 We could have used something like a URI and parsed it in `connect`, but since we're doing as much as we can statically it seems nicer to be able to use types like records. 2. we wanted to "hide" the raw connection creation functions as much as possible, so we could be sure that code that operated over a `BLOCK` (say formatting a disk partition) didn't re-`connect` and start writing to an unexpected part of the disk. Cheers, Dave > It would be great to clarify these points before I move ahead with the > implementation. > > Thanks, > > Rupert > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --=20 Dave Scott --f46d0444809538088805224b1322 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

On Sat, Oct 17, 2015 at 11:58 AM, Rupert Horlick &= lt;rh572@cam.ac.uk= > wrote:
= Hi all,

I am currently working on building a functor whi= ch takes a V1.BLOCK implementation and creates a new BLOCK implementation, = with ORAM capabilities.

I=E2=80=99ve been looking = through the APIs and I had a couple of questions about the structure of thi= ngs:

  1. Is there any specific reason why=C2= =A0mirage-block-unix=C2=A0and=C2=A0mirage-block-xen=C2=A0both implement V1.BLOCK a= nd add types themselves, rather than implementing V1.BLOCK_LWT?
No reason at all that I can see or think of. We= should probably use `V1_LWT.BLOCK` to simplify things (a little).

=C2=A0
  1. Both implementations have a =E2=80=9Cconnect" meth= od of type "string -> [`Ok of t | `Error of error] = io=E2=80=9D, is there a reason why this is not part of the BLOCK sign= ature? It would be nice to be able to rely on the implementation having thi= s method.
Ah, this is on purp= ose. IIRC there are 2 reasons:

1. we wanted to all= ow implementations to use types other than strings

https://github.com/mirage/mir= age-block-volume/blob/354ba1697f564380ff5637517f77b5931eabdb16/lib/vg.mli#L= 113


We c= ould have used something like a URI and parsed it in `connect`, but since w= e're doing as much as we can statically it seems nicer to be able to us= e types like records.

2. we wanted to "hide&q= uot; the raw connection creation functions as much as possible, so we could= be sure that code that operated over a `BLOCK` (say formatting a disk part= ition) didn't re-`connect` and start writing to an unexpected part of t= he disk.

Cheers,
Dave


=
It would be great to clarify these points before I move ahead wi= th the implementation.

Thanks,

Rupert

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




--
Dave Scott
--f46d0444809538088805224b1322-- --===============8293073026555642562== 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 --===============8293073026555642562==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:18:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:18:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPVf-0006Fo-W5; Sat, 17 Oct 2015 11:18:47 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPVe-0006Fj-Dj for mirageos-devel@lists.xenproject.org; Sat, 17 Oct 2015 11:18:46 +0000 Received: from [85.158.139.211] by server-4.bemta-5.messagelabs.com id DA/F3-24856-59E22265; Sat, 17 Oct 2015 11:18:45 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-13.tower-206.messagelabs.com!1445080724!13066832!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.7 required=7.0 tests=HTML_50_60,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11486 invoked from network); 17 Oct 2015 11:18:44 -0000 Received: from mail-wi0-f171.google.com (HELO mail-wi0-f171.google.com) (209.85.212.171) by server-13.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 17 Oct 2015 11:18:44 -0000 Received: by wicgb1 with SMTP id gb1so39111550wic.1 for ; Sat, 17 Oct 2015 04:18:44 -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=DFEY87qxxLfoDdaApi7upXvrKyMNMhHrdkkYNPZDz7Y=; b=Sa/X9hEIOajsLfYPqBDvibGPprsuFgj1nn4nP0v6Eu8rIAmqTvsEhML7fA4/c2XCvz Vf/7AqbHAzJHhQb57alwpjOVnWcofwO1QIP0WRJHHiv2nSqXMYzzPs60dmVV8Z3+SzFR 2tldg4L8QvGpbnJjYEeZfJnPEBPMwnjw/WPP40EhfdZ5I+pDtktJipRvrd5AbLRnkH3g N9XdjEXcJz8PdPk3gxW2GV4QoNX6wHGJpwlmLD3m3T/1gAB4abwWGOk5Ue6hnQTgtaZD oYSs6oy4dRaC1OQDwhomjTiUlgyKhlOE4VUS50Ffc6iXAdmxQg9gca68a36YFkSfdiB9 xyJQ== MIME-Version: 1.0 X-Received: by 10.180.87.138 with SMTP id ay10mr10600782wib.12.1445080723881; Sat, 17 Oct 2015 04:18:43 -0700 (PDT) Received: by 10.28.18.71 with HTTP; Sat, 17 Oct 2015 04:18:43 -0700 (PDT) In-Reply-To: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Sat, 17 Oct 2015 12:18:43 +0100 Message-ID: From: David Scott To: Rupert Horlick Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8293073026555642562==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8293073026555642562== Content-Type: multipart/alternative; boundary=f46d0444809538088805224b1322 --f46d0444809538088805224b1322 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi, On Sat, Oct 17, 2015 at 11:58 AM, Rupert Horlick wrote: > Hi all, > > I am currently working on building a functor which takes a V1.BLOCK > implementation and creates a new BLOCK implementation, with ORAM > capabilities. > > I=E2=80=99ve been looking through the APIs and I had a couple of question= s about > the structure of things: > > > 1. Is there any specific reason why mirage-block-unix > > and mirage-block-xen > both > implement V1.BLOCK and add types themselves, rather than implementing > V1.BLOCK_LWT? > > No reason at all that I can see or think of. We should probably use `V1_LWT.BLOCK` to simplify things (a little). > > 1. Both implementations have a =E2=80=9Cconnect" method of type "strin= g -> [`Ok > of t | `Error of error] io=E2=80=9D, is there a reason why this is not= part of > the BLOCK signature? It would be nice to be able to rely on the > implementation having this method. > > Ah, this is on purpose. IIRC there are 2 reasons: 1. we wanted to allow implementations to use types other than strings https://github.com/mirage/mirage-block-volume/blob/354ba1697f564380ff563751= 7f77b5931eabdb16/lib/vg.mli#L113 https://github.com/mirage/mirage-block-volume/blob/354ba1697f564380ff563751= 7f77b5931eabdb16/lib/vg.ml#L347 We could have used something like a URI and parsed it in `connect`, but since we're doing as much as we can statically it seems nicer to be able to use types like records. 2. we wanted to "hide" the raw connection creation functions as much as possible, so we could be sure that code that operated over a `BLOCK` (say formatting a disk partition) didn't re-`connect` and start writing to an unexpected part of the disk. Cheers, Dave > It would be great to clarify these points before I move ahead with the > implementation. > > Thanks, > > Rupert > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > --=20 Dave Scott --f46d0444809538088805224b1322 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

On Sat, Oct 17, 2015 at 11:58 AM, Rupert Horlick &= lt;rh572@cam.ac.uk= > wrote:
= Hi all,

I am currently working on building a functor whi= ch takes a V1.BLOCK implementation and creates a new BLOCK implementation, = with ORAM capabilities.

I=E2=80=99ve been looking = through the APIs and I had a couple of questions about the structure of thi= ngs:

  1. Is there any specific reason why=C2= =A0mirage-block-unix=C2=A0and=C2=A0mirage-block-xen=C2=A0both implement V1.BLOCK a= nd add types themselves, rather than implementing V1.BLOCK_LWT?
No reason at all that I can see or think of. We= should probably use `V1_LWT.BLOCK` to simplify things (a little).

=C2=A0
  1. Both implementations have a =E2=80=9Cconnect" meth= od of type "string -> [`Ok of t | `Error of error] = io=E2=80=9D, is there a reason why this is not part of the BLOCK sign= ature? It would be nice to be able to rely on the implementation having thi= s method.
Ah, this is on purp= ose. IIRC there are 2 reasons:

1. we wanted to all= ow implementations to use types other than strings

https://github.com/mirage/mir= age-block-volume/blob/354ba1697f564380ff5637517f77b5931eabdb16/lib/vg.mli#L= 113


We c= ould have used something like a URI and parsed it in `connect`, but since w= e're doing as much as we can statically it seems nicer to be able to us= e types like records.

2. we wanted to "hide&q= uot; the raw connection creation functions as much as possible, so we could= be sure that code that operated over a `BLOCK` (say formatting a disk part= ition) didn't re-`connect` and start writing to an unexpected part of t= he disk.

Cheers,
Dave


=
It would be great to clarify these points before I move ahead wi= th the implementation.

Thanks,

Rupert

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




--
Dave Scott
--f46d0444809538088805224b1322-- --===============8293073026555642562== 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 --===============8293073026555642562==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:24:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:24:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPb9-0006IB-H4; Sat, 17 Oct 2015 11:24:27 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPb8-0006I6-E3 for mirageos-devel@lists.xenproject.org; Sat, 17 Oct 2015 11:24:26 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 74/58-06179-9EF22265; Sat, 17 Oct 2015 11:24:25 +0000 X-Env-Sender: rh572@cam.ac.uk X-Msg-Ref: server-9.tower-206.messagelabs.com!1445081064!42939002!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13625 invoked from network); 17 Oct 2015 11:24:25 -0000 Received: from ppsw-50.csi.cam.ac.uk (HELO ppsw-50.csi.cam.ac.uk) (131.111.8.150) by server-9.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 17 Oct 2015 11:24:25 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-172-26-238-2.eduroam.homerton.private.cam.ac.uk ([172.26.238.2]:63672) by ppsw-50.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.158]:25) with esmtpsa (PLAIN:rh572) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1ZnPb6-0008R7-r3 (Exim 4.86_36-e07b163) (return-path ); Sat, 17 Oct 2015 12:24:24 +0100 Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Rupert Horlick In-Reply-To: Date: Sat, 17 Oct 2015 12:24:59 +0100 Message-Id: References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> To: Thomas Leonard X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T2theSwgZ3JlYXQuCgpZb3XigJlyZSByaWdodC4gU28gSSBzaG91bGQgbGVhdmUgdGhlIGNvbm5l Y3Rpb24gdG8gdGhlIGdlbmVyYXRlZCBtYWluLm1sIGFuZCBldmVuIGhhdmUgaXQgY29ubmVjdCB0 byBteSBkZXZpY2UgdGhlcmUgYXMgd2VsbCwgcGFzc2luZyBteSBpbXBsZW1lbnRhdGlvbiB0aHJv dWdoIHRvIHRoZSBzdGFydCBtZXRob2QgaW4gdGhlIFVuaWtlcm5lbC4KClRoYW5rcyBmb3IgdGhl IGhlbHAsCgpSdXBlcnQKCj4gT24gMTcgT2N0IDIwMTUsIGF0IDEyOjE3LCBUaG9tYXMgTGVvbmFy ZCA8dGFsZXg1QGdtYWlsLmNvbT4gd3JvdGU6Cj4gCj4gT24gMTcgT2N0b2JlciAyMDE1IGF0IDEx OjU4LCBSdXBlcnQgSG9ybGljayA8cmg1NzJAY2FtLmFjLnVrPiB3cm90ZToKPj4gSGkgYWxsLAo+ PiAKPj4gSSBhbSBjdXJyZW50bHkgd29ya2luZyBvbiBidWlsZGluZyBhIGZ1bmN0b3Igd2hpY2gg dGFrZXMgYSBWMS5CTE9DSwo+PiBpbXBsZW1lbnRhdGlvbiBhbmQgY3JlYXRlcyBhIG5ldyBCTE9D SyBpbXBsZW1lbnRhdGlvbiwgd2l0aCBPUkFNCj4+IGNhcGFiaWxpdGllcy4KPj4gCj4+IEnigJl2 ZSBiZWVuIGxvb2tpbmcgdGhyb3VnaCB0aGUgQVBJcyBhbmQgSSBoYWQgYSBjb3VwbGUgb2YgcXVl c3Rpb25zIGFib3V0IHRoZQo+PiBzdHJ1Y3R1cmUgb2YgdGhpbmdzOgo+PiAKPj4gSXMgdGhlcmUg YW55IHNwZWNpZmljIHJlYXNvbiB3aHkgbWlyYWdlLWJsb2NrLXVuaXggYW5kIG1pcmFnZS1ibG9j ay14ZW4gYm90aAo+PiBpbXBsZW1lbnQgVjEuQkxPQ0sgYW5kIGFkZCB0eXBlcyB0aGVtc2VsdmVz LCByYXRoZXIgdGhhbiBpbXBsZW1lbnRpbmcKPj4gVjEuQkxPQ0tfTFdUPwo+IAo+IEkgZG9uJ3Qg dGhpbmsgc28uIEl0IGRvZXMgdGhlIHNhbWUgdGhpbmcgKGFwYXJ0IGZyb20gYWxzbyBkZWZpbmlu ZyB0aGUKPiBkZXByZWNhdGVkICJpZCIgdHlwZSwgd2hpY2ggY291bGQgYmUgcmVtb3ZlZCBub3cp Lgo+IAo+PiBCb3RoIGltcGxlbWVudGF0aW9ucyBoYXZlIGEg4oCcY29ubmVjdCIgbWV0aG9kIG9m IHR5cGUgInN0cmluZyAtPiBbYE9rIG9mIHQgfAo+PiBgRXJyb3Igb2YgZXJyb3JdIGlv4oCdLCBp cyB0aGVyZSBhIHJlYXNvbiB3aHkgdGhpcyBpcyBub3QgcGFydCBvZiB0aGUgQkxPQ0sKPj4gc2ln bmF0dXJlPyBJdCB3b3VsZCBiZSBuaWNlIHRvIGJlIGFibGUgdG8gcmVseSBvbiB0aGUgaW1wbGVt ZW50YXRpb24gaGF2aW5nCj4+IHRoaXMgbWV0aG9kLgo+IAo+IFdoYXQgZG8geW91IG5lZWQgaXQg Zm9yPyBZb3Ugc2hvdWxkIGJlIGFibGUgdG8gZGVmaW5lIHlvdXIgb3duIGNvbm5lY3QKPiBtZXRo b2QgdGhhdCB0YWtlcyBhbiBpbnN0YW5jZSBvZiB0aGUgdW5kZXJseWluZyBibG9jayBkZXZpY2Ug YW5kIHdyYXBzCj4gaXQgd2l0aCB5b3VyIHR5cGUuIFlvdSBzaG91bGRuJ3QgbmVlZCB0byBjYWxs IHRoZSB1bmRlcmx5aW5nIGRldmljZSdzCj4gY29ubmVjdCBtZXRob2QgeW91cnNlbGYgKGFuZCBk aWZmZXJlbnQgZGV2aWNlcyB3aWxsIHJlcXVpcmUgZGlmZmVyZW50Cj4gYXJndW1lbnRzKS4KPiAK PiBBY3R1YWxseSwgdGhlIGN1cnJlbnQgImNvbm5lY3QiIHNpZ25hdHVyZXMgYXJlbid0IHZlcnkg Z29vZC4gSWRlYWxseSwKPiBtaXJhZ2UtYmxvY2steGVuJ3MgY29ubmVjdCBmdW5jdGlvbiB3b3Vs ZCB0YWtlIGEgWGVuU3RvcmUgYXJndW1lbnQsCj4gZm9yIGV4YW1wbGUsIHJhdGhlciB0aGFuIGZp c2hpbmcgb25lIG91dCBvZiB0aGUgZW52aXJvbm1lbnQuCj4gCj4+IEl0IHdvdWxkIGJlIGdyZWF0 IHRvIGNsYXJpZnkgdGhlc2UgcG9pbnRzIGJlZm9yZSBJIG1vdmUgYWhlYWQgd2l0aCB0aGUKPj4g aW1wbGVtZW50YXRpb24uCj4+IAo+PiBUaGFua3MsCj4+IAo+PiBSdXBlcnQKPiAKPiAKPiAtLSAK PiBEciBUaG9tYXMgTGVvbmFyZCAgICAgICAgaHR0cDovL3Jvc2NpZHVzLmNvbS9ibG9nLwo+IEdQ RzogREE5OCAyNUFFIENBRDAgODk3NSA3Q0RBICBCRDhFIDA3MTMgM0Y5NiBDQTc0IEQ4QkEKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1k ZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0 cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vv cy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:24:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:24:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPb9-0006IB-H4; 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Sat, 17 Oct 2015 12:24:24 +0100 Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Rupert Horlick In-Reply-To: Date: Sat, 17 Oct 2015 12:24:59 +0100 Message-Id: References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> To: Thomas Leonard X-Mailer: Apple Mail (2.3094) Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T2theSwgZ3JlYXQuCgpZb3XigJlyZSByaWdodC4gU28gSSBzaG91bGQgbGVhdmUgdGhlIGNvbm5l Y3Rpb24gdG8gdGhlIGdlbmVyYXRlZCBtYWluLm1sIGFuZCBldmVuIGhhdmUgaXQgY29ubmVjdCB0 byBteSBkZXZpY2UgdGhlcmUgYXMgd2VsbCwgcGFzc2luZyBteSBpbXBsZW1lbnRhdGlvbiB0aHJv dWdoIHRvIHRoZSBzdGFydCBtZXRob2QgaW4gdGhlIFVuaWtlcm5lbC4KClRoYW5rcyBmb3IgdGhl IGhlbHAsCgpSdXBlcnQKCj4gT24gMTcgT2N0IDIwMTUsIGF0IDEyOjE3LCBUaG9tYXMgTGVvbmFy ZCA8dGFsZXg1QGdtYWlsLmNvbT4gd3JvdGU6Cj4gCj4gT24gMTcgT2N0b2JlciAyMDE1IGF0IDEx OjU4LCBSdXBlcnQgSG9ybGljayA8cmg1NzJAY2FtLmFjLnVrPiB3cm90ZToKPj4gSGkgYWxsLAo+ PiAKPj4gSSBhbSBjdXJyZW50bHkgd29ya2luZyBvbiBidWlsZGluZyBhIGZ1bmN0b3Igd2hpY2gg dGFrZXMgYSBWMS5CTE9DSwo+PiBpbXBsZW1lbnRhdGlvbiBhbmQgY3JlYXRlcyBhIG5ldyBCTE9D SyBpbXBsZW1lbnRhdGlvbiwgd2l0aCBPUkFNCj4+IGNhcGFiaWxpdGllcy4KPj4gCj4+IEnigJl2 ZSBiZWVuIGxvb2tpbmcgdGhyb3VnaCB0aGUgQVBJcyBhbmQgSSBoYWQgYSBjb3VwbGUgb2YgcXVl c3Rpb25zIGFib3V0IHRoZQo+PiBzdHJ1Y3R1cmUgb2YgdGhpbmdzOgo+PiAKPj4gSXMgdGhlcmUg YW55IHNwZWNpZmljIHJlYXNvbiB3aHkgbWlyYWdlLWJsb2NrLXVuaXggYW5kIG1pcmFnZS1ibG9j ay14ZW4gYm90aAo+PiBpbXBsZW1lbnQgVjEuQkxPQ0sgYW5kIGFkZCB0eXBlcyB0aGVtc2VsdmVz LCByYXRoZXIgdGhhbiBpbXBsZW1lbnRpbmcKPj4gVjEuQkxPQ0tfTFdUPwo+IAo+IEkgZG9uJ3Qg dGhpbmsgc28uIEl0IGRvZXMgdGhlIHNhbWUgdGhpbmcgKGFwYXJ0IGZyb20gYWxzbyBkZWZpbmlu ZyB0aGUKPiBkZXByZWNhdGVkICJpZCIgdHlwZSwgd2hpY2ggY291bGQgYmUgcmVtb3ZlZCBub3cp Lgo+IAo+PiBCb3RoIGltcGxlbWVudGF0aW9ucyBoYXZlIGEg4oCcY29ubmVjdCIgbWV0aG9kIG9m IHR5cGUgInN0cmluZyAtPiBbYE9rIG9mIHQgfAo+PiBgRXJyb3Igb2YgZXJyb3JdIGlv4oCdLCBp cyB0aGVyZSBhIHJlYXNvbiB3aHkgdGhpcyBpcyBub3QgcGFydCBvZiB0aGUgQkxPQ0sKPj4gc2ln bmF0dXJlPyBJdCB3b3VsZCBiZSBuaWNlIHRvIGJlIGFibGUgdG8gcmVseSBvbiB0aGUgaW1wbGVt ZW50YXRpb24gaGF2aW5nCj4+IHRoaXMgbWV0aG9kLgo+IAo+IFdoYXQgZG8geW91IG5lZWQgaXQg Zm9yPyBZb3Ugc2hvdWxkIGJlIGFibGUgdG8gZGVmaW5lIHlvdXIgb3duIGNvbm5lY3QKPiBtZXRo b2QgdGhhdCB0YWtlcyBhbiBpbnN0YW5jZSBvZiB0aGUgdW5kZXJseWluZyBibG9jayBkZXZpY2Ug YW5kIHdyYXBzCj4gaXQgd2l0aCB5b3VyIHR5cGUuIFlvdSBzaG91bGRuJ3QgbmVlZCB0byBjYWxs IHRoZSB1bmRlcmx5aW5nIGRldmljZSdzCj4gY29ubmVjdCBtZXRob2QgeW91cnNlbGYgKGFuZCBk aWZmZXJlbnQgZGV2aWNlcyB3aWxsIHJlcXVpcmUgZGlmZmVyZW50Cj4gYXJndW1lbnRzKS4KPiAK PiBBY3R1YWxseSwgdGhlIGN1cnJlbnQgImNvbm5lY3QiIHNpZ25hdHVyZXMgYXJlbid0IHZlcnkg Z29vZC4gSWRlYWxseSwKPiBtaXJhZ2UtYmxvY2steGVuJ3MgY29ubmVjdCBmdW5jdGlvbiB3b3Vs ZCB0YWtlIGEgWGVuU3RvcmUgYXJndW1lbnQsCj4gZm9yIGV4YW1wbGUsIHJhdGhlciB0aGFuIGZp c2hpbmcgb25lIG91dCBvZiB0aGUgZW52aXJvbm1lbnQuCj4gCj4+IEl0IHdvdWxkIGJlIGdyZWF0 IHRvIGNsYXJpZnkgdGhlc2UgcG9pbnRzIGJlZm9yZSBJIG1vdmUgYWhlYWQgd2l0aCB0aGUKPj4g aW1wbGVtZW50YXRpb24uCj4+IAo+PiBUaGFua3MsCj4+IAo+PiBSdXBlcnQKPiAKPiAKPiAtLSAK PiBEciBUaG9tYXMgTGVvbmFyZCAgICAgICAgaHR0cDovL3Jvc2NpZHVzLmNvbS9ibG9nLwo+IEdQ RzogREE5OCAyNUFFIENBRDAgODk3NSA3Q0RBICBCRDhFIDA3MTMgM0Y5NiBDQTc0IEQ4QkEKCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1k ZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0 cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vv cy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:33:30 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:33:30 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPjq-0006iq-AM; 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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=EqMBe0vetIiEO9F3pc9si4BXnF/2N7HJXkBUVQXryk8=; b=GivOgoWFJktVR9ICoMG+UDxx2EA7d6i6OGu1hXidNcQZwO4u+2TDJgJoy4AcgrjcRm ZeuP5v5NVrSZVCJ8tcXgxtrZknCvFIIc4RHQ7hmP1j3ThwNtMdMJ34b2Sr0Q7IujK4yN 20AZEOGQnufSqCFibNeVuM+OtaV3NlYW7mOsh8d8GJPfxRRtewTz7eTXl6bY/6lEJOU2 fw9B8xJSfwCq16Xk4Yz82Za5YAcAxtxFPEascnr+HtlUW1YMqcvgnng1l9CaLRtM1BVv yb8EgbLp5Lf4IqzjhCGeyiEdF+6hlQ8Z6kE4YxR5+C8TUivNJiUfZ7T9PTE6k2NjWeM/ HJOQ== MIME-Version: 1.0 X-Received: by 10.31.142.142 with SMTP id q136mr13797716vkd.41.1445081600419; Sat, 17 Oct 2015 04:33:20 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Sat, 17 Oct 2015 04:33:20 -0700 (PDT) In-Reply-To: References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Sat, 17 Oct 2015 12:33:20 +0100 Message-ID: From: Thomas Leonard To: Rupert Horlick Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-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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charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMTYgT2N0b2JlciAyMDE1IGF0IDE0OjIxLCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBMZSB2ZW5kcmVkaSwgMTYgb2N0b2JyZSAyMDE1IMOg IDEzOjMxLCBUaG9tYXMgTGVvbmFyZCBhIMOpY3JpdCA6Cj4+IEkgdGhpbmsgdGhlIGtleSBoZXJl IChhcyB5b3UgbWVudGlvbmVkKSBpcyBzcGxpdHRpbmcgdGhlIGNvbGxlY3Rpb24KPj4gbGlicmFy eSBmcm9tIHRoZSByZXBvcnRpbmcuIFRoZSBjb2xsZWN0aW9uIHBhcnQgbmVlZHMgdG8gaGF2ZSBt aW5pbWFsCj4+IGRlcGVuZGVuY2llcyBzbyBhbnlvbmUgd3JpdGluZyBhbiBPQ2FtbCBsaWJyYXJ5 IHdpbGwgYmUgaGFwcHkgdG8gdXNlCj4+IGl0Lgo+Cj4gT25seSB0aGUgcmVzdWx0IGNvbXBhdGli aWxpdHkgcGFja2FnZSB3aWxsIGJlIGRlcGVuZGVkIHVwb24uCgpTb3VuZHMgZmluZS4KCj4+IFRo aXMgaXMgdGhlIGhhcmQgcGFydCwgYmVjYXVzZSB5b3UgaGF2ZSB0byBnZXQgZXZlcnlvbmUgdG8g YWdyZWUKPj4gOy0pCj4KPiBXZWxsIHVzdWFsbHkgSSBkbyBzb21ldGhpbmcgYW5kIHBlb3BsZSB1 c2UgaXQgaWYgdGhleSB3YW504oCmIEkgbGlrZSB0byBnZXQgZmVlZGJhY2ssIGJ1dCBmZWVkYmFj ayBtdXN0IGFsd2F5cyBiZSB0YWtlbiB3aXRoIGEga2lsb2dyYW0gb2Ygc2FsdC4gSW4gdGhlIGVu ZCBpdHMgYWx3YXlzIGZpbmUgZm9yIG1lIGlmIG5vdCBldmVyeWJvZHkgYWdyZWVzLgoKVGhlIG9u bHkgdGhpbmcgSSB3b3JyeSBhYm91dCBpcyB0aGF0IHVzaW5nIGFuIGFwcGxpY2F0aW9uIHdpdGgK bXVsdGlwbGUgbG9nZ2luZyBzeXN0ZW1zIGNhbiBiZSBhbm5veWluZy4gZS5nLiB5b3UgdGVsbCBp dCB0byBjb3B5IGFsbApsb2dzIHRvIGEgZmlsZSwgYnV0IGxhdGVyIGRpc2NvdmVyIHRoYXQgb25s eSBoYWxmIHRoZSBtZXNzYWdlcyB3ZW50CnRoZXJlIGJlY2F1c2Ugc29tZSBsaWJyYXJpZXMgd2Vy ZSB1c2luZyBhIGRpZmZlcmVudCBsb2dnaW5nIHN5c3RlbS4gSWYKdGhlcmUncyBhbiBlYXN5IHdh eSB0byBnZXQgdGhlIGF1dGhvcnMgb2Ygb3RoZXIgbG9nZ2luZyBzeXN0ZW1zIG9uCmJvYXJkLCB0 aGF0IGNvdWxkIGJlIHVzZWZ1bCAoYnV0IE9DYW1sIGxpYnJhcmllcyBkb24ndCBnZW5lcmFsbHkg ZG8KYW55IGxvZ2dpbmcgYXQgYWxsLCBzbyBpdCdzIG5vdCBhIGh1Z2UgaXNzdWUpLgoKPj4gTG9n LmVycm9yIC0+IGEgaHVtYW4gc2hvdWxkIGJlIGFsZXJ0ZWQgKGJ5IGRlZmF1bHQpIHRoYXQgdGhp cyBoYXMgaGFwcGVuZWQKPj4gTG9nLndhcm5pbmcgLT4gaWYgaXQncyBub3Qgd29ya2luZywgY2hl Y2sgdGhlc2UgbWVzc2FnZXMgZmlyc3QKPj4gTG9nLmluZm8gLT4gYSBodW1hbiBzaG91bGQgc2Vl IHRoaXMgYnkgZGVmYXVsdCBpZiB0aGV5IGxvb2sgYXQgdGhlIGxvZ3MKPj4gTG9nLmRlYnVnIC0+ IHRoaXMgc2hvdWxkIG5vdCBiZSBzaG93biBieSBkZWZhdWx0Cj4KPiBJIHdvdWxkIGp1c3QgbGlr ZSB0byBjb21tZW50IG9uIHdoeSBJIGhhdmUgdGhhdCBMb2cuc2hvdyBsZXZlbCBpbiB0aGVyZSAo bWF5YmUgYSBiZXR0ZXIgbmFtZSBzaG91bGQgYmUgZm91bmQsIHN1Z2dlc3Rpb25zIHdlbGNvbWUp LiBUaGVyZSBhcmUgKGNsaSkgcHJvZ3JhbXMgd2hvc2UgbmF0dXJhbCBkdXR5IGlzIHRvIGhhdmUg dGhlaXIgb3V0cHV0IHNob3cgcHJvZ3Jlc3Mgb3IgYSBraW5kIG9mIGNvbnNvbGUgaW50ZXJtaW5n bGVkIHdpdGggdGhlIGxvZyBtZXNzYWdlcyDigJQgZS5nLiBvcGFtLCBhIGJ1aWxkIHN5c3RlbSBv ciBhIHRlc3Qgc3VpdGUuIEF0IHRoZSB0aW1lIGl0IHNlZW1lZCBzdWNoICJjb25zb2xlcyIgZG8g YWN0dWFsbHkgbmF0dXJhbGx5IGJsZW5kIGludG8gdGhlIGxvZ2dpbmcgbWVjaGFuaXNtIGFzIHRo ZSBsb3dlc3QgbG9nZ2luZyBsZXZlbCB3aGljaCBhbGxvd3MgdG8gZWFzaWx5IHJldXNlIHRoZSBy ZXBvcnRpbmcvcmVkaXJlY3Rpb24vcXVpZXRuZXNzIGNvbnRyb2wgb2YgdGhlIGxvZ2dpbmcgZnJh bWV3b3JrIGZvciB0aGF0IGFzd2VsbC4gU3RpbGwgYSBsaXR0bGUgYml0IHVuc3VyZSB3aGV0aGVy IHRoaXMgc2hvdWxkIGJlIGtlcHQgb3Igbm90IHRob3VnaC4KCk1ha2VzIHNlbnNlIChJJ2QgZXhw ZWN0IGl0IHRvIGdvIGJldHdlZW4gd2FybmluZyBhbmQgaW5mbyAtIEkgY2FuCmltYWdpbmUgd2Fu dGluZyB0byBzdXBwcmVzcyBwcm9ncmVzcyB3aXRob3V0IHN1cHByZXNzaW5nIGVycm9ycykuIE9u CnRoZSBvdGhlciBoYW5kLCBhbiBhcHBsaWNhdGlvbiBjb3VsZCBqdXN0IGxvZyBhdCBpbmZvIGxl dmVsIGFuZCBtYWtlCnRoYXQgdmlzaWJsZSBieSBkZWZhdWx0IGZvciBpdHMgb3duIGxvZ2dlcnMs IHdoaWxlIGtlZXBpbmcgaW5mbyBsZXZlbApzdXBwcmVzc2VkIGJ5IGRlZmF1bHQgZm9yIG90aGVy IGNvbXBvbmVudHMuCgpJZiB5b3UncmUgZ29pbmcgZm9yIG5vdW5zLCBwZXJoYXBzCmVycm9yL3dh cm5pbmcvbm90aWNlL2luZm8ocm1hdGlvbikvZGVidWcuIElmIHZlcmJzLAphbGVydC93YXJuL3No b3cvaW5mbyhybSkvZGVidWcuCgoKLS0gCkRyIFRob21hcyBMZW9uYXJkICAgICAgICBodHRwOi8v cm9zY2lkdXMuY29tL2Jsb2cvCkdQRzogREE5OCAyNUFFIENBRDAgODk3NSA3Q0RBICBCRDhFIDA3 MTMgM0Y5NiBDQTc0IEQ4QkEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0 cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWls bWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 11:49:35 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 11:49:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnPzQ-0007FY-GQ; 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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 T24gMTYgT2N0b2JlciAyMDE1IGF0IDE0OjIxLCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBMZSB2ZW5kcmVkaSwgMTYgb2N0b2JyZSAyMDE1IMOg IDEzOjMxLCBUaG9tYXMgTGVvbmFyZCBhIMOpY3JpdCA6Cj4+IEkgdGhpbmsgdGhlIGtleSBoZXJl IChhcyB5b3UgbWVudGlvbmVkKSBpcyBzcGxpdHRpbmcgdGhlIGNvbGxlY3Rpb24KPj4gbGlicmFy eSBmcm9tIHRoZSByZXBvcnRpbmcuIFRoZSBjb2xsZWN0aW9uIHBhcnQgbmVlZHMgdG8gaGF2ZSBt aW5pbWFsCj4+IGRlcGVuZGVuY2llcyBzbyBhbnlvbmUgd3JpdGluZyBhbiBPQ2FtbCBsaWJyYXJ5 IHdpbGwgYmUgaGFwcHkgdG8gdXNlCj4+IGl0Lgo+Cj4gT25seSB0aGUgcmVzdWx0IGNvbXBhdGli aWxpdHkgcGFja2FnZSB3aWxsIGJlIGRlcGVuZGVkIHVwb24uCgpTb3VuZHMgZmluZS4KCj4+IFRo aXMgaXMgdGhlIGhhcmQgcGFydCwgYmVjYXVzZSB5b3UgaGF2ZSB0byBnZXQgZXZlcnlvbmUgdG8g YWdyZWUKPj4gOy0pCj4KPiBXZWxsIHVzdWFsbHkgSSBkbyBzb21ldGhpbmcgYW5kIHBlb3BsZSB1 c2UgaXQgaWYgdGhleSB3YW504oCmIEkgbGlrZSB0byBnZXQgZmVlZGJhY2ssIGJ1dCBmZWVkYmFj ayBtdXN0IGFsd2F5cyBiZSB0YWtlbiB3aXRoIGEga2lsb2dyYW0gb2Ygc2FsdC4gSW4gdGhlIGVu ZCBpdHMgYWx3YXlzIGZpbmUgZm9yIG1lIGlmIG5vdCBldmVyeWJvZHkgYWdyZWVzLgoKVGhlIG9u bHkgdGhpbmcgSSB3b3JyeSBhYm91dCBpcyB0aGF0IHVzaW5nIGFuIGFwcGxpY2F0aW9uIHdpdGgK bXVsdGlwbGUgbG9nZ2luZyBzeXN0ZW1zIGNhbiBiZSBhbm5veWluZy4gZS5nLiB5b3UgdGVsbCBp dCB0byBjb3B5IGFsbApsb2dzIHRvIGEgZmlsZSwgYnV0IGxhdGVyIGRpc2NvdmVyIHRoYXQgb25s eSBoYWxmIHRoZSBtZXNzYWdlcyB3ZW50CnRoZXJlIGJlY2F1c2Ugc29tZSBsaWJyYXJpZXMgd2Vy ZSB1c2luZyBhIGRpZmZlcmVudCBsb2dnaW5nIHN5c3RlbS4gSWYKdGhlcmUncyBhbiBlYXN5IHdh eSB0byBnZXQgdGhlIGF1dGhvcnMgb2Ygb3RoZXIgbG9nZ2luZyBzeXN0ZW1zIG9uCmJvYXJkLCB0 aGF0IGNvdWxkIGJlIHVzZWZ1bCAoYnV0IE9DYW1sIGxpYnJhcmllcyBkb24ndCBnZW5lcmFsbHkg ZG8KYW55IGxvZ2dpbmcgYXQgYWxsLCBzbyBpdCdzIG5vdCBhIGh1Z2UgaXNzdWUpLgoKPj4gTG9n LmVycm9yIC0+IGEgaHVtYW4gc2hvdWxkIGJlIGFsZXJ0ZWQgKGJ5IGRlZmF1bHQpIHRoYXQgdGhp cyBoYXMgaGFwcGVuZWQKPj4gTG9nLndhcm5pbmcgLT4gaWYgaXQncyBub3Qgd29ya2luZywgY2hl Y2sgdGhlc2UgbWVzc2FnZXMgZmlyc3QKPj4gTG9nLmluZm8gLT4gYSBodW1hbiBzaG91bGQgc2Vl IHRoaXMgYnkgZGVmYXVsdCBpZiB0aGV5IGxvb2sgYXQgdGhlIGxvZ3MKPj4gTG9nLmRlYnVnIC0+ IHRoaXMgc2hvdWxkIG5vdCBiZSBzaG93biBieSBkZWZhdWx0Cj4KPiBJIHdvdWxkIGp1c3QgbGlr ZSB0byBjb21tZW50IG9uIHdoeSBJIGhhdmUgdGhhdCBMb2cuc2hvdyBsZXZlbCBpbiB0aGVyZSAo bWF5YmUgYSBiZXR0ZXIgbmFtZSBzaG91bGQgYmUgZm91bmQsIHN1Z2dlc3Rpb25zIHdlbGNvbWUp LiBUaGVyZSBhcmUgKGNsaSkgcHJvZ3JhbXMgd2hvc2UgbmF0dXJhbCBkdXR5IGlzIHRvIGhhdmUg dGhlaXIgb3V0cHV0IHNob3cgcHJvZ3Jlc3Mgb3IgYSBraW5kIG9mIGNvbnNvbGUgaW50ZXJtaW5n bGVkIHdpdGggdGhlIGxvZyBtZXNzYWdlcyDigJQgZS5nLiBvcGFtLCBhIGJ1aWxkIHN5c3RlbSBv ciBhIHRlc3Qgc3VpdGUuIEF0IHRoZSB0aW1lIGl0IHNlZW1lZCBzdWNoICJjb25zb2xlcyIgZG8g YWN0dWFsbHkgbmF0dXJhbGx5IGJsZW5kIGludG8gdGhlIGxvZ2dpbmcgbWVjaGFuaXNtIGFzIHRo ZSBsb3dlc3QgbG9nZ2luZyBsZXZlbCB3aGljaCBhbGxvd3MgdG8gZWFzaWx5IHJldXNlIHRoZSBy ZXBvcnRpbmcvcmVkaXJlY3Rpb24vcXVpZXRuZXNzIGNvbnRyb2wgb2YgdGhlIGxvZ2dpbmcgZnJh bWV3b3JrIGZvciB0aGF0IGFzd2VsbC4gU3RpbGwgYSBsaXR0bGUgYml0IHVuc3VyZSB3aGV0aGVy IHRoaXMgc2hvdWxkIGJlIGtlcHQgb3Igbm90IHRob3VnaC4KCk1ha2VzIHNlbnNlIChJJ2QgZXhw ZWN0IGl0IHRvIGdvIGJldHdlZW4gd2FybmluZyBhbmQgaW5mbyAtIEkgY2FuCmltYWdpbmUgd2Fu dGluZyB0byBzdXBwcmVzcyBwcm9ncmVzcyB3aXRob3V0IHN1cHByZXNzaW5nIGVycm9ycykuIE9u CnRoZSBvdGhlciBoYW5kLCBhbiBhcHBsaWNhdGlvbiBjb3VsZCBqdXN0IGxvZyBhdCBpbmZvIGxl dmVsIGFuZCBtYWtlCnRoYXQgdmlzaWJsZSBieSBkZWZhdWx0IGZvciBpdHMgb3duIGxvZ2dlcnMs IHdoaWxlIGtlZXBpbmcgaW5mbyBsZXZlbApzdXBwcmVzc2VkIGJ5IGRlZmF1bHQgZm9yIG90aGVy IGNvbXBvbmVudHMuCgpJZiB5b3UncmUgZ29pbmcgZm9yIG5vdW5zLCBwZXJoYXBzCmVycm9yL3dh cm5pbmcvbm90aWNlL2luZm8ocm1hdGlvbikvZGVidWcuIElmIHZlcmJzLAphbGVydC93YXJuL3No b3cvaW5mbyhybSkvZGVidWcuCgoKLS0gCkRyIFRob21hcyBMZW9uYXJkICAgICAgICBodHRwOi8v cm9zY2lkdXMuY29tL2Jsb2cvCkdQRzogREE5OCAyNUFFIENBRDAgODk3NSA3Q0RBICBCRDhFIDA3 MTMgM0Y5NiBDQTc0IEQ4QkEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0 cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWls bWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 14:04:34 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 14:04:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnS5y-0004Xo-9D; 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Sat, 17 Oct 2015 14:04:21 +0000 (UTC) Date: Sat, 17 Oct 2015 15:04:19 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgc2FtZWRpLCAxNyBvY3RvYnJlIDIwMTUgw6AgMTI6NDksIFRob21hcyBMZW9uYXJkIGEgw6lj cml0IDoKPiAoYnV0IE9DYW1sIGxpYnJhcmllcyBkb24ndCBnZW5lcmFsbHkgZG8gYW55IGxvZ2dp bmcgYXQgYWxsLCBzbyBpdCdzIG5vdCBhIGh1Z2UgaXNzdWUpLgoKQW5kIHRoaXMgdHJhZGl0aW9u IHNob3VsZCBjb250aW51ZSBhcyBtdWNoIGFzIHBvc3NpYmxlLiAgCiAgCj4gTWFrZXMgc2Vuc2Ug KEknZCBleHBlY3QgaXQgdG8gZ28gYmV0d2VlbiB3YXJuaW5nIGFuZCBpbmZvIC0gSSBjYW4KPiBp bWFnaW5lIHdhbnRpbmcgdG8gc3VwcHJlc3MgcHJvZ3Jlc3Mgd2l0aG91dCBzdXBwcmVzc2luZyBl cnJvcnMpLiAgCgpJdCBkb2Vzbid0IHJlYWxseSBtYXRjaCB3aGF0IEkgZXhwZWN0IGZyb20gdGhp cyBsZXZlbCB3aGljaCBJIHJlYWxseSBzZWUgbGlrZSB0aGUgc3Rkb3V0IG9mIHlvdSBwcm9ncmFt LiBTbyBJJ2QgbGlrZSB0byBiZSBhYmxlIHRvIHJlZGlyZWN0IHRoZSBvdXRwdXQgb2YgdGhlIHBy b2dyYW0gd2l0aG91dCBlLmcuIGdldHRpbmcgZXJyb3JzIG9yIHdhcm5pbmdzIGluIHRoZSBvdXRw dXQuIEZvciBtZSBpdCBpcyBhbHNvIGRpc3RpbmN0IGZyb20gdGhlIGluZm8gbGV2ZWwgd2hpY2gg SSdkIHVzZSB0byBpbmZvcm0gYSBiaXQgbW9yZSBhYm91dCB3aGF0IGlzIGhhcHBlbmluZyBpbnRl cm5hbGx5IGluIHRoZSBwcm9ncmFtLiBPZiBjb3Vyc2UgeW91IGNvdWxkIHVzZSBhIHNwZWNpYWwg bG9nIHNvdXJjZSBmb3IgdGhhdCBidXQgdGhlbiB5b3UnZCBuZWVkIHRvIGRldmlzZSBhIHNwZWNp YWwgbG9nIHJlcG9ydGVyIGZvciB0aGF0LCBzbyBJIHByZWZlciBpZiBhbGwgdGhlIHJlcG9ydGVy cyBoYXZlIHRvIGFja25vd2xlZGdlIHRoZSBleGlzdGVuY2Ugb2YgdGhhdCBsZXZlbCBhbmQgaXRz IHN1cHBvc2VkIHNlbWFudGljcy4KClNvIGZvciBub3cgSSBoYXZlIGtlcHQgdGhhdCBhcyB0aGUg bG93ZXN0IGxldmVsIGFuZCByZW5hbWVkIGl0IHRvIGBBcHBgIHJhdGhlciB0aGFuIGBTaG93YC4g SSBtYXkgc3RpbGwga2lsbCB0aGUgY29uY2VwdCB0aG91Z2guCgpEYW5pZWwKCgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFp bGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 14:04:34 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 14:04:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnS5y-0004Xo-9D; 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Sat, 17 Oct 2015 14:04:21 +0000 (UTC) Date: Sat, 17 Oct 2015 15:04:19 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgc2FtZWRpLCAxNyBvY3RvYnJlIDIwMTUgw6AgMTI6NDksIFRob21hcyBMZW9uYXJkIGEgw6lj cml0IDoKPiAoYnV0IE9DYW1sIGxpYnJhcmllcyBkb24ndCBnZW5lcmFsbHkgZG8gYW55IGxvZ2dp bmcgYXQgYWxsLCBzbyBpdCdzIG5vdCBhIGh1Z2UgaXNzdWUpLgoKQW5kIHRoaXMgdHJhZGl0aW9u IHNob3VsZCBjb250aW51ZSBhcyBtdWNoIGFzIHBvc3NpYmxlLiAgCiAgCj4gTWFrZXMgc2Vuc2Ug KEknZCBleHBlY3QgaXQgdG8gZ28gYmV0d2VlbiB3YXJuaW5nIGFuZCBpbmZvIC0gSSBjYW4KPiBp bWFnaW5lIHdhbnRpbmcgdG8gc3VwcHJlc3MgcHJvZ3Jlc3Mgd2l0aG91dCBzdXBwcmVzc2luZyBl cnJvcnMpLiAgCgpJdCBkb2Vzbid0IHJlYWxseSBtYXRjaCB3aGF0IEkgZXhwZWN0IGZyb20gdGhp cyBsZXZlbCB3aGljaCBJIHJlYWxseSBzZWUgbGlrZSB0aGUgc3Rkb3V0IG9mIHlvdSBwcm9ncmFt LiBTbyBJJ2QgbGlrZSB0byBiZSBhYmxlIHRvIHJlZGlyZWN0IHRoZSBvdXRwdXQgb2YgdGhlIHBy b2dyYW0gd2l0aG91dCBlLmcuIGdldHRpbmcgZXJyb3JzIG9yIHdhcm5pbmdzIGluIHRoZSBvdXRw dXQuIEZvciBtZSBpdCBpcyBhbHNvIGRpc3RpbmN0IGZyb20gdGhlIGluZm8gbGV2ZWwgd2hpY2gg SSdkIHVzZSB0byBpbmZvcm0gYSBiaXQgbW9yZSBhYm91dCB3aGF0IGlzIGhhcHBlbmluZyBpbnRl cm5hbGx5IGluIHRoZSBwcm9ncmFtLiBPZiBjb3Vyc2UgeW91IGNvdWxkIHVzZSBhIHNwZWNpYWwg bG9nIHNvdXJjZSBmb3IgdGhhdCBidXQgdGhlbiB5b3UnZCBuZWVkIHRvIGRldmlzZSBhIHNwZWNp YWwgbG9nIHJlcG9ydGVyIGZvciB0aGF0LCBzbyBJIHByZWZlciBpZiBhbGwgdGhlIHJlcG9ydGVy cyBoYXZlIHRvIGFja25vd2xlZGdlIHRoZSBleGlzdGVuY2Ugb2YgdGhhdCBsZXZlbCBhbmQgaXRz IHN1cHBvc2VkIHNlbWFudGljcy4KClNvIGZvciBub3cgSSBoYXZlIGtlcHQgdGhhdCBhcyB0aGUg bG93ZXN0IGxldmVsIGFuZCByZW5hbWVkIGl0IHRvIGBBcHBgIHJhdGhlciB0aGFuIGBTaG93YC4g SSBtYXkgc3RpbGwga2lsbCB0aGUgY29uY2VwdCB0aG91Z2guCgpEYW5pZWwKCgoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFp bGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 15:11:06 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 15:11:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnT8M-0007N6-2l; 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Haesbaert" To: Amir Chaudhry Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTUgT2N0b2JlciAyMDE1IGF0IDE1OjA4LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMu dWs+IHdyb3RlOgo+Cj4+IE9uIDE1IE9jdCAyMDE1LCBhdCAwOTo0MiwgQ2hyaXN0aWFubyBGLiBI YWVzYmFlcnQgPGhhZXNiYWVydEBoYWVzYmFlcnQub3JnPiB3cm90ZToKPj4KPj4gT24gMTMgT2N0 b2JlciAyMDE1IGF0IDEzOjE4LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMudWs+IHdyb3Rl Ogo+Pj4KPj4+IENocmlzdGlhbm8sIGl0IHdvdWxkIGJlIGdyZWF0IHRvIGhhdmUgYSBibG9nIHBv c3QgdG8gYWNjb21wYW55IHdoYXRldmVyIGlzIGFkZGVkIHRvIG1pcmFnZS1za2VsZXRvbi4gIFdv dWxkIHlvdSBiZSBhYmxlIHRvIGRvIHRoaXM/IEnigJltIGhhcHB5IHRvIHByb29mLXJlYWQgYW5k IGhlbHAgb3V0IG9uY2UgdGhlcmXigJlzIGFuIGluaXRpYWwgZHJhZnQuCj4+Pgo+Pgo+PiBBd2Vz b21lICEKPj4KPj4gU3VyZSB0aGluZywgSSdsbCB0cnkgdG8gaGF2ZSBzb21ldGhpbmcgYnkgU2F0 dXJkYXksIHNvcnJ5IGZvciB0aGUKPj4gZGVsYXkgaW4gYW5zd2VyaW5nLgo+Pgo+PiBTbyB0aGUg YmxvZyBwb3N0IHdvdWxkIGNvbnRhaW4gc29tZSBpbnRyb2R1Y3Rpb24gYW5kIGEgaG93LXRvID8g Q291bGQKPj4geW91IHBvaW50IG1lIHRvIHNvbWUgYmxvZyBlbnRyeSB3aGljaCBpcyBhbmFsb2d1 ZSB0byB3aGF0IHRoaXMgd291bGQKPj4gYmUgPyBKdXN0IHNvIHRoYXQgSSBoYXZlIGEgY2xlYXJl ciBpZGVhLgo+Cj4gWW91IG1pZ2h0IGZpbmQgaXQgdXNlZnVsIHRvIHNraW0gb3ZlciBzb21lIGV4 YW1wbGVzIGZyb20gdGhlIGJsb2c6Cj4gKGluIHJldmVyc2UgY2hyb25vbG9naWNhbCBvcmRlcikK Pgo+IC0gbWlyYWdlLXNlYWwgLSBodHRwczovL21pcmFnZS5pby9ibG9nL21pcmFnZS1zZWFsCj4g LSBJcm1pbiAtIGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvaW50cm9kdWNpbmctaXJtaW4KPiAtIFRD UC9JUCBzdGFjayAtIGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvaW50cm8tdGNwaXAKPiAtIHZjaGFu IC0gaHR0cHM6Ly9taXJhZ2UuaW8vYmxvZy91cGRhdGUtb24tdmNoYW4KPiAtIGN0eXBlcyAtIGh0 dHBzOi8vbWlyYWdlLmlvL2Jsb2cvbW9kdWxhci1mb3JlaWduLWZ1bmN0aW9uLWJpbmRpbmdzCj4g LSBUaGUgVExTIHNlcmllcywgd2hlcmUgZWFjaCBwb3N0IGNvdmVyZWQgZGlmZmVyZW50IGxpYnMg LSBzdGFydCBhdDogaHR0cHM6Ly9taXJhZ2UuaW8vYmxvZy9pbnRyb2R1Y2luZy1vY2FtbC10bHMK Pgo+IFlvdeKAmWxsIG5vdGljZSB0aGF0IHNvbWUgb2YgdGhlc2UgYXJlIG1vcmUgYWJvdXQgdXNh Z2UgYW5kIG90aGVycyBjb250YWluIG11Y2ggbW9yZSBiYWNrZ3JvdW5kIGFuZCBtb3RpdmF0aW9u LiAgSXTigJlzIHVwIHRvIHlvdSB0byBkZWNpZGUgd2hhdCBsZXZlbCBvZiBkZXB0aCB5b3Ugd2Fu dCB0byBnZXQgdG8sIGFuZCBJIHRoaW5rIHlvdXIgYXBwcm9hY2ggb2YgJ2ludHJvICsgaG93LXRv JyB3b3VsZCB3b3JrIHdlbGwuCj4KPiBHZXR0aW5nIGEgZHJhZnQgYnkgU2F0dXJkYXkgd291bGQg YmUgZmFudGFzdGljISBJIGNhbiBtYWtlIHN1cmUgSSBoYXZlIHRpbWUgdG8gcmV2aWV3IG9uIFN1 bmRheSBhbmQgSeKAmW0gc3VyZSBvdGhlcnMgd2lsbCBhbHNvIGJlIGhhcHB5IHRvIHByb3ZpZGUg ZmVlZGJhY2suCj4KCkhleWEsIHRoZXJlIHdpbGwgYmUgc29tZSBkZWxheXMsIEkndmUganVzdCBm b3VuZCBvdXQgSSBuZWVkIHRvIHN1cHBvcnQKb2NhbWwgNC4wMSwgY3VycmVudGx5IGNoYXJydWEt Y29yZSBpcyByZXF1aXJpbmcgNC4wMiwgc28gSSBjYW4ndAppbnRlZ3JhdGUgdGhlIGNvZGUgaW50 byBtaXJhZ2Utc2tlbGV0b24KKGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLXNrZWxl dG9uL3B1bGwvMTA1KS4KCkkndmUgc3RhcnRlZCB0aGUgcG9zdCBhdApodHRwczovL2dpdGh1Yi5j b20vaGFlc2JhZXJ0L21pcmFnZS13d3cvYmxvYi9tYXN0ZXIvdG1wbC9ibG9nL2ludHJvZHVjaW5n LWNoYXJydWEtZGhjcC5tZAoKSXQncyBub3QgcmVhbGx5IHJldmlld2FibGUgYXQgdGhpcyB0aW1l LCBJIG5lZWQgdG8gZ2V0IGNoYXJydWEgb24gNC4wMQphbmQgbWFrZSBhIG5ldyBvcGFtIHJlbGVh c2UgZmlyc3QuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0 aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 15:11:06 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 15:11:06 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnT8M-0007N6-2l; 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Haesbaert" To: Amir Chaudhry Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTUgT2N0b2JlciAyMDE1IGF0IDE1OjA4LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMu dWs+IHdyb3RlOgo+Cj4+IE9uIDE1IE9jdCAyMDE1LCBhdCAwOTo0MiwgQ2hyaXN0aWFubyBGLiBI YWVzYmFlcnQgPGhhZXNiYWVydEBoYWVzYmFlcnQub3JnPiB3cm90ZToKPj4KPj4gT24gMTMgT2N0 b2JlciAyMDE1IGF0IDEzOjE4LCBBbWlyIENoYXVkaHJ5IDxhbWM3OUBjYW0uYWMudWs+IHdyb3Rl Ogo+Pj4KPj4+IENocmlzdGlhbm8sIGl0IHdvdWxkIGJlIGdyZWF0IHRvIGhhdmUgYSBibG9nIHBv c3QgdG8gYWNjb21wYW55IHdoYXRldmVyIGlzIGFkZGVkIHRvIG1pcmFnZS1za2VsZXRvbi4gIFdv dWxkIHlvdSBiZSBhYmxlIHRvIGRvIHRoaXM/IEnigJltIGhhcHB5IHRvIHByb29mLXJlYWQgYW5k IGhlbHAgb3V0IG9uY2UgdGhlcmXigJlzIGFuIGluaXRpYWwgZHJhZnQuCj4+Pgo+Pgo+PiBBd2Vz b21lICEKPj4KPj4gU3VyZSB0aGluZywgSSdsbCB0cnkgdG8gaGF2ZSBzb21ldGhpbmcgYnkgU2F0 dXJkYXksIHNvcnJ5IGZvciB0aGUKPj4gZGVsYXkgaW4gYW5zd2VyaW5nLgo+Pgo+PiBTbyB0aGUg YmxvZyBwb3N0IHdvdWxkIGNvbnRhaW4gc29tZSBpbnRyb2R1Y3Rpb24gYW5kIGEgaG93LXRvID8g Q291bGQKPj4geW91IHBvaW50IG1lIHRvIHNvbWUgYmxvZyBlbnRyeSB3aGljaCBpcyBhbmFsb2d1 ZSB0byB3aGF0IHRoaXMgd291bGQKPj4gYmUgPyBKdXN0IHNvIHRoYXQgSSBoYXZlIGEgY2xlYXJl ciBpZGVhLgo+Cj4gWW91IG1pZ2h0IGZpbmQgaXQgdXNlZnVsIHRvIHNraW0gb3ZlciBzb21lIGV4 YW1wbGVzIGZyb20gdGhlIGJsb2c6Cj4gKGluIHJldmVyc2UgY2hyb25vbG9naWNhbCBvcmRlcikK Pgo+IC0gbWlyYWdlLXNlYWwgLSBodHRwczovL21pcmFnZS5pby9ibG9nL21pcmFnZS1zZWFsCj4g LSBJcm1pbiAtIGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvaW50cm9kdWNpbmctaXJtaW4KPiAtIFRD UC9JUCBzdGFjayAtIGh0dHBzOi8vbWlyYWdlLmlvL2Jsb2cvaW50cm8tdGNwaXAKPiAtIHZjaGFu IC0gaHR0cHM6Ly9taXJhZ2UuaW8vYmxvZy91cGRhdGUtb24tdmNoYW4KPiAtIGN0eXBlcyAtIGh0 dHBzOi8vbWlyYWdlLmlvL2Jsb2cvbW9kdWxhci1mb3JlaWduLWZ1bmN0aW9uLWJpbmRpbmdzCj4g LSBUaGUgVExTIHNlcmllcywgd2hlcmUgZWFjaCBwb3N0IGNvdmVyZWQgZGlmZmVyZW50IGxpYnMg LSBzdGFydCBhdDogaHR0cHM6Ly9taXJhZ2UuaW8vYmxvZy9pbnRyb2R1Y2luZy1vY2FtbC10bHMK Pgo+IFlvdeKAmWxsIG5vdGljZSB0aGF0IHNvbWUgb2YgdGhlc2UgYXJlIG1vcmUgYWJvdXQgdXNh Z2UgYW5kIG90aGVycyBjb250YWluIG11Y2ggbW9yZSBiYWNrZ3JvdW5kIGFuZCBtb3RpdmF0aW9u LiAgSXTigJlzIHVwIHRvIHlvdSB0byBkZWNpZGUgd2hhdCBsZXZlbCBvZiBkZXB0aCB5b3Ugd2Fu dCB0byBnZXQgdG8sIGFuZCBJIHRoaW5rIHlvdXIgYXBwcm9hY2ggb2YgJ2ludHJvICsgaG93LXRv JyB3b3VsZCB3b3JrIHdlbGwuCj4KPiBHZXR0aW5nIGEgZHJhZnQgYnkgU2F0dXJkYXkgd291bGQg YmUgZmFudGFzdGljISBJIGNhbiBtYWtlIHN1cmUgSSBoYXZlIHRpbWUgdG8gcmV2aWV3IG9uIFN1 bmRheSBhbmQgSeKAmW0gc3VyZSBvdGhlcnMgd2lsbCBhbHNvIGJlIGhhcHB5IHRvIHByb3ZpZGUg ZmVlZGJhY2suCj4KCkhleWEsIHRoZXJlIHdpbGwgYmUgc29tZSBkZWxheXMsIEkndmUganVzdCBm b3VuZCBvdXQgSSBuZWVkIHRvIHN1cHBvcnQKb2NhbWwgNC4wMSwgY3VycmVudGx5IGNoYXJydWEt Y29yZSBpcyByZXF1aXJpbmcgNC4wMiwgc28gSSBjYW4ndAppbnRlZ3JhdGUgdGhlIGNvZGUgaW50 byBtaXJhZ2Utc2tlbGV0b24KKGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWlyYWdlLXNrZWxl dG9uL3B1bGwvMTA1KS4KCkkndmUgc3RhcnRlZCB0aGUgcG9zdCBhdApodHRwczovL2dpdGh1Yi5j b20vaGFlc2JhZXJ0L21pcmFnZS13d3cvYmxvYi9tYXN0ZXIvdG1wbC9ibG9nL2ludHJvZHVjaW5n LWNoYXJydWEtZGhjcC5tZAoKSXQncyBub3QgcmVhbGx5IHJldmlld2FibGUgYXQgdGhpcyB0aW1l LCBJIG5lZWQgdG8gZ2V0IGNoYXJydWEgb24gNC4wMQphbmQgbWFrZSBhIG5ldyBvcGFtIHJlbGVh c2UgZmlyc3QuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1MtZGV2ZWxAbGlzdHMueGVucHJv amVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2NnaS1iaW4vbWFpbG1hbi9saXN0 aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Sat Oct 17 15:35:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 15:35:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnTWD-0008NK-Av; 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[209.85.212.182]) by smtp.gmail.com with ESMTPSA id q1sm28934122wjy.31.2015.10.17.08.35.32 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 17 Oct 2015 08:35:33 -0700 (PDT) Received: by wicll6 with SMTP id ll6so47229526wic.1 for ; Sat, 17 Oct 2015 08:35:32 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.206.8 with SMTP id lk8mr10623617wic.44.1445096132253; Sat, 17 Oct 2015 08:35:32 -0700 (PDT) Received: by 10.28.130.67 with HTTP; Sat, 17 Oct 2015 08:35:32 -0700 (PDT) In-Reply-To: <561FB567.40403@mehnert.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <561FB567.40403@mehnert.org> Date: Sat, 17 Oct 2015 16:35:32 +0100 Message-ID: From: Richard Mortier To: Hannes Mehnert Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 15:17, Hannes Mehnert wrote: >> Hence, putting all code dealing with the wire-to-OCaml interface in >> Tftp_wire, and then (I'm currently fiddling with this, slowly) all the >> state machine logic in Tftp_S with the intent of having a Mirage >> unikernel implementation that uses Tftp_S to create a server instance >> (basically by bridging IO into Tftp_S). > > I'm not sure what Tftp_S is (what the _S should do). From my point of > view: put the (pure!) state machine logic somewhere [by pure I mean it > does not do IO or logging, but uses as signature `state -> bytes -> > (state * action list)`], where state is some abstract type, constructed > via some configuration step, and actions might contain: > `Log "client ZZZ requested image YYY" > `Tell_user "failed to find image YYY" > `Send > > Or maybe, if sending out a response is common enough, maybe use `state * > bytes option * actions`. > > And then, on top of this state machine, which uses the wire_struct and > some state, use it to build either Lwt or Mirage layers (which translate > actions into side-effecting IO operations). > > We/I tested this approach in > [TLS](http://mirleft.github.io/ocaml-tls/Engine.html) and [OTR (which > does not have any side effects in its > library)](http://hannesm.github.io/ocaml-otr/Otr.Engine.html) Cool-- sounds reasoanble, I'll attempt to follow that. > (yes, my draft text disappeared, but might appear again next week) Look forward to it :) -- Richard Mortier richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel 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 Oct 17 15:35:40 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 17 Oct 2015 15:35:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnTWD-0008NK-Av; Sat, 17 Oct 2015 15:35:37 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZnTWC-0008NF-45 for mirageos-devel@lists.xenproject.org; Sat, 17 Oct 2015 15:35:36 +0000 Received: from [193.109.254.147] by server-15.bemta-14.messagelabs.com id 02/5E-18886-7CA62265; Sat, 17 Oct 2015 15:35:35 +0000 X-Env-Sender: richard.mortier@gmail.com X-Msg-Ref: server-7.tower-27.messagelabs.com!1445096134!26291701!1 X-Originating-IP: [209.85.212.172] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 17566 invoked from network); 17 Oct 2015 15:35:34 -0000 Received: from mail-wi0-f172.google.com (HELO mail-wi0-f172.google.com) (209.85.212.172) by server-7.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 17 Oct 2015 15:35:34 -0000 Received: by wicgb1 with SMTP id gb1so42586121wic.1 for ; Sat, 17 Oct 2015 08:35:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=Kb9OaVL+FL5LQ02Y3QuPFBsdX15Z3/GaUJBbbnYq77c=; b=avIEcid+IDon8cxqBMIhTCEqn5kSO/bK9ULi+B/Xoo5F8TVjk4Z8HtikdnlwLY/LV2 aIbsdRacxoa2prRSRzJ8If31C3JXNwD+KSYstKnzbP1bqB2OyX/zyKtmn4GGbc56D6pC Kx3DHFFFbCjVfSqBQeKrNu5TELD/g5KE1MZydKbLNIOnj8ncX7TXDErEtPy3vxgl2uJG idUQrjBjB5wEX4hLQXV9hau3+0edDK+EB5EZZwNLutlzF15tzWffk4DzwxU4glSzNJKW 6wJiZ5h4AsFr26WHFAHWJAJTDtcms0YHGrxYTQMb3SmrWK29JGhXhX70ekKs+Pa1LbzQ NwTA== X-Received: by 10.194.143.43 with SMTP id sb11mr25868223wjb.120.1445096133773; Sat, 17 Oct 2015 08:35:33 -0700 (PDT) Received: from mail-wi0-f182.google.com (mail-wi0-f182.google.com. [209.85.212.182]) by smtp.gmail.com with ESMTPSA id q1sm28934122wjy.31.2015.10.17.08.35.32 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 17 Oct 2015 08:35:33 -0700 (PDT) Received: by wicll6 with SMTP id ll6so47229526wic.1 for ; Sat, 17 Oct 2015 08:35:32 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.180.206.8 with SMTP id lk8mr10623617wic.44.1445096132253; Sat, 17 Oct 2015 08:35:32 -0700 (PDT) Received: by 10.28.130.67 with HTTP; Sat, 17 Oct 2015 08:35:32 -0700 (PDT) In-Reply-To: <561FB567.40403@mehnert.org> References: <1A3C5EAF-A5A2-4BD6-B88E-FA3F6CED1CA5@recoil.org> <561FB567.40403@mehnert.org> Date: Sat, 17 Oct 2015 16:35:32 +0100 Message-ID: From: Richard Mortier To: Hannes Mehnert Cc: mirageos-devel Subject: Re: [MirageOS-devel] Charrua release X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 October 2015 at 15:17, Hannes Mehnert wrote: >> Hence, putting all code dealing with the wire-to-OCaml interface in >> Tftp_wire, and then (I'm currently fiddling with this, slowly) all the >> state machine logic in Tftp_S with the intent of having a Mirage >> unikernel implementation that uses Tftp_S to create a server instance >> (basically by bridging IO into Tftp_S). > > I'm not sure what Tftp_S is (what the _S should do). From my point of > view: put the (pure!) state machine logic somewhere [by pure I mean it > does not do IO or logging, but uses as signature `state -> bytes -> > (state * action list)`], where state is some abstract type, constructed > via some configuration step, and actions might contain: > `Log "client ZZZ requested image YYY" > `Tell_user "failed to find image YYY" > `Send > > Or maybe, if sending out a response is common enough, maybe use `state * > bytes option * actions`. > > And then, on top of this state machine, which uses the wire_struct and > some state, use it to build either Lwt or Mirage layers (which translate > actions into side-effecting IO operations). > > We/I tested this approach in > [TLS](http://mirleft.github.io/ocaml-tls/Engine.html) and [OTR (which > does not have any side effects in its > library)](http://hannesm.github.io/ocaml-otr/Otr.Engine.html) Cool-- sounds reasoanble, I'll attempt to follow that. > (yes, my draft text disappeared, but might appear again next week) Look forward to it :) -- Richard Mortier richard.mortier@cl.cam.ac.uk _______________________________________________ MirageOS-devel 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 Oct 19 09:08:07 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 19 Oct 2015 09:08:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zo6Q9-0001LP-5J; Mon, 19 Oct 2015 09:07:57 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zo6Q7-0001LE-Mm for mirageos-devel@lists.xenproject.org; Mon, 19 Oct 2015 09:07:55 +0000 Received: from [193.109.254.147] by server-10.bemta-14.messagelabs.com id 1F/38-01143-AE2B4265; Mon, 19 Oct 2015 09:07:54 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-14.tower-27.messagelabs.com!1445245673!59476597!1 X-Originating-IP: [209.85.213.44] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31987 invoked from network); 19 Oct 2015 09:07:54 -0000 Received: from mail-vk0-f44.google.com (HELO mail-vk0-f44.google.com) (209.85.213.44) by server-14.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 19 Oct 2015 09:07:54 -0000 Received: by vkgy127 with SMTP id y127so3641567vkg.0 for ; Mon, 19 Oct 2015 02:07:53 -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:content-transfer-encoding; bh=kD8LXJdWZRLD+6IhVR49PZys8En2r1v+7VnXNKAI8kg=; b=XfR77FR0iCn7pjPgtt8Oh4cZrhVipeuILhqIZlfuptqaGlgYirXYgckuKbVyKHIGBb +aCl0HoaIzPHpqwpj6EemSFWB+NohBfl1fgbdse8ALqlmXCyGeHubjv7zYUuY+pHDkwa YqP5xlaOMoEn+m3+HooN1q8biOclGtq+hR1nRxCXGzDH37RIe8YySHYSUFHd20mxBXpz 92JodMr1vGd+MFJJGZrOlDoeu8z/pApRxsiZFkWdSJaQWH+7ADnbBRM2d5C65i4xQIwF ETk070yLspoQhgI4xbe1uNWQRAOK8kH70g9HFN7ymZzO+3lcHPMBKu8TMco1JQpSs7+g uT+A== MIME-Version: 1.0 X-Received: by 10.31.16.162 with SMTP id 34mr19383895vkq.87.1445245672955; Mon, 19 Oct 2015 02:07:52 -0700 (PDT) Received: by 10.31.61.139 with HTTP; Mon, 19 Oct 2015 02:07:52 -0700 (PDT) In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> Date: Mon, 19 Oct 2015 10:07:52 +0100 Message-ID: From: Thomas Leonard To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-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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charset="utf-8" Content-Transfer-Encoding: base64 Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org T24gMTcgT2N0b2JlciAyMDE1IGF0IDE1OjA0LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBMZSBzYW1lZGksIDE3IG9jdG9icmUgMjAxNSDDoCAx Mjo0OSwgVGhvbWFzIExlb25hcmQgYSDDqWNyaXQgOgo+PiAoYnV0IE9DYW1sIGxpYnJhcmllcyBk b24ndCBnZW5lcmFsbHkgZG8gYW55IGxvZ2dpbmcgYXQgYWxsLCBzbyBpdCdzIG5vdCBhIGh1Z2Ug aXNzdWUpLgo+Cj4gQW5kIHRoaXMgdHJhZGl0aW9uIHNob3VsZCBjb250aW51ZSBhcyBtdWNoIGFz IHBvc3NpYmxlLgo+Cj4+IE1ha2VzIHNlbnNlIChJJ2QgZXhwZWN0IGl0IHRvIGdvIGJldHdlZW4g d2FybmluZyBhbmQgaW5mbyAtIEkgY2FuCj4+IGltYWdpbmUgd2FudGluZyB0byBzdXBwcmVzcyBw cm9ncmVzcyB3aXRob3V0IHN1cHByZXNzaW5nIGVycm9ycykuCj4KPiBJdCBkb2Vzbid0IHJlYWxs eSBtYXRjaCB3aGF0IEkgZXhwZWN0IGZyb20gdGhpcyBsZXZlbCB3aGljaCBJIHJlYWxseSBzZWUg bGlrZSB0aGUgc3Rkb3V0IG9mIHlvdSBwcm9ncmFtLiBTbyBJJ2QgbGlrZSB0byBiZSBhYmxlIHRv IHJlZGlyZWN0IHRoZSBvdXRwdXQgb2YgdGhlIHByb2dyYW0gd2l0aG91dCBlLmcuIGdldHRpbmcg ZXJyb3JzIG9yIHdhcm5pbmdzIGluIHRoZSBvdXRwdXQuCgpUaGlua2luZyBvbiBhYm91dCB0aGlz LCBJIGRvbid0IHRoaW5rIGl0IG1ha2VzIHNlbnNlIHRvIGhhdmUgYSBsb2cKbGV2ZWwgdGhhdCBn b2VzIHRvIHN0ZG91dCBieSBkZWZhdWx0LiBBbGwgbGlicmFyaWVzIGNhbiBsb2csIGJ1dCB0aGV5 CnNob3VsZG4ndCBiZSBhYmxlIHRvIHdyaXRlIHRvIHRoZSBwcm9ncmFtJ3Mgb3V0cHV0LiBlLmcu IGNvbnNpZGVyOgoKICBjdXJsIFVSTCA+IGZpbGUuaHRtbAoKSWYgc29tZSBsaWJyYXJ5IHdhbnRz IHRvIG1ha2Ugc3VyZSB0aGUgdXNlciBzZWVzIGEgbWVzc2FnZSAoTG9nLnNob3cKIkNvbm5lY3Rl ZCEiIG9yIHNvbWV0aGluZyksIHRoYXQgc2hvdWxkIGdvIHRvIHN0ZGVyciwgd2hlcmUgdGhlIHVz ZQp3aWxsIHNlZSBpdCwgbm90IHRvIHN0ZG91dCB3aGVyZSB0aGUgZG93bmxvYWRlZCBIVE1MIGlz IGJlaW5nIHdyaXR0ZW4uCgo+IEZvciBtZSBpdCBpcyBhbHNvIGRpc3RpbmN0IGZyb20gdGhlIGlu Zm8gbGV2ZWwgd2hpY2ggSSdkIHVzZSB0byBpbmZvcm0gYSBiaXQgbW9yZSBhYm91dCB3aGF0IGlz IGhhcHBlbmluZyBpbnRlcm5hbGx5IGluIHRoZSBwcm9ncmFtLgoKWWVzLCBhIGxvZyBsZXZlbCBm b3IgbWVzc2FnZXMgdGhhdCBhcmUgbW9yZSBpbXBvcnRhbnQgdGhhbiBpbmZvCihzaG91bGQgYmUg c2hvd24gYnkgZGVmYXVsdCBldmVuIGluIGludGVyYWN0aXZlIGFwcGxpY2F0aW9ucykgYnV0IGRv Cm5vdCBpbmRpY2F0ZSBwcm9ibGVtcyBzb3VuZHMgcmVhc29uYWJsZS4gIkxvZy5ub3RpY2UiIHN0 aWxsIHNvdW5kcwpyaWdodCB0byBtZSBmb3IgdGhpcy4KCj4gT2YgY291cnNlIHlvdSBjb3VsZCB1 c2UgYSBzcGVjaWFsIGxvZyBzb3VyY2UgZm9yIHRoYXQgYnV0IHRoZW4geW91J2QgbmVlZCB0byBk ZXZpc2UgYSBzcGVjaWFsIGxvZyByZXBvcnRlciBmb3IgdGhhdCwgc28gSSBwcmVmZXIgaWYgYWxs IHRoZSByZXBvcnRlcnMgaGF2ZSB0byBhY2tub3dsZWRnZSB0aGUgZXhpc3RlbmNlIG9mIHRoYXQg bGV2ZWwgYW5kIGl0cyBzdXBwb3NlZCBzZW1hbnRpY3MuCgpJIHRoaW5rIGFueXRoaW5nIHRoYXQg d3JpdGVzIHRvIHN0ZG91dCBzaG91bGQgbmVlZCBleHBsaWNpdApjb25maWd1cmF0aW9uIGZyb20g dGhlIGFwcGxpY2F0aW9uLgoKPiBTbyBmb3Igbm93IEkgaGF2ZSBrZXB0IHRoYXQgYXMgdGhlIGxv d2VzdCBsZXZlbCBhbmQgcmVuYW1lZCBpdCB0byBgQXBwYCByYXRoZXIgdGhhbiBgU2hvd2AuIEkg bWF5IHN0aWxsIGtpbGwgdGhlIGNvbmNlcHQgdGhvdWdoLgo+Cj4gRGFuaWVsCj4KPgoKCgotLSAK RHIgVGhvbWFzIExlb25hcmQgICAgICAgIGh0dHA6Ly9yb3NjaWR1cy5jb20vYmxvZy8KR1BHOiBE QTk4IDI1QUUgQ0FEMCA4OTc1IDdDREEgIEJEOEUgMDcxMyAzRjk2IENBNzQgRDhCQQoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwg bWFpbGluZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2 ZWwK From mirageos-devel-bounces@lists.xenproject.org Mon Oct 19 09:14:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 19 Oct 2015 09:14:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zo6Wb-0001Xt-1x; 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Mon, 19 Oct 2015 09:14:32 +0000 (UTC) Date: Mon, 19 Oct 2015 10:14:31 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: <5F52F47D408D40C7820734CA44614F02@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgbHVuZGksIDE5IG9jdG9icmUgMjAxNSDDoCAxMDowNywgVGhvbWFzIExlb25hcmQgYSDDqWNy aXQgOgo+IEkgdGhpbmsgYW55dGhpbmcgdGhhdCB3cml0ZXMgdG8gc3Rkb3V0IHNob3VsZCBuZWVk IGV4cGxpY2l0Cj4gY29uZmlndXJhdGlvbiBmcm9tIHRoZSBhcHBsaWNhdGlvbi4KClllcyB0aGF0 J3MgdGhlIHJlYXNvbiB3aHkgdGhpcyBsZXZlbCBpcyBjYWxsZWQgQXBwIGFuZCBpcyByZXNlcnZl ZCBmb3IgdXNlIGJ5IHRoZSBhcHBsaWNhdGlvbiDigJQgdGhpcyBpcyBleHBsaWNpdGx5IHN0YXRl ZCBpbiB0aGUgdXNhZ2UgZ3VpZGVsaW5lcyBJIHdyb3RlLiBSZWdhcmRpbmcgdG8gd2hhdCBoYXBw ZW5zIHdoZW5ldmVyIGEgbWVzc2FnZSBpcyBsb2dnZWQgb24gdGhhdCBsZXZlbCBpcyBlbnRpcmVs eSB1cCB0byB0aGUgYXBwbGljYXRpb24gYW5kIHRoZSByZXBvcnRlcnMgaXQgaW5zdGFsbHMuIElu IHNob3J0IGxpYnJhcmllcyBzaG91bGQgbmV2ZXIgdXNlIHRoZSBBcHAgbGV2ZWwgbmVpdGhlciBp bnN0YWxsIHJlcG9ydGVycy4KCkRhbmllbAoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1Mt ZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2Nn aS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Mon Oct 19 09:14:38 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 19 Oct 2015 09:14:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zo6Wb-0001Xt-1x; 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Mon, 19 Oct 2015 09:14:32 +0000 (UTC) Date: Mon, 19 Oct 2015 10:14:31 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: <5F52F47D408D40C7820734CA44614F02@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.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?=" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgbHVuZGksIDE5IG9jdG9icmUgMjAxNSDDoCAxMDowNywgVGhvbWFzIExlb25hcmQgYSDDqWNy aXQgOgo+IEkgdGhpbmsgYW55dGhpbmcgdGhhdCB3cml0ZXMgdG8gc3Rkb3V0IHNob3VsZCBuZWVk IGV4cGxpY2l0Cj4gY29uZmlndXJhdGlvbiBmcm9tIHRoZSBhcHBsaWNhdGlvbi4KClllcyB0aGF0 J3MgdGhlIHJlYXNvbiB3aHkgdGhpcyBsZXZlbCBpcyBjYWxsZWQgQXBwIGFuZCBpcyByZXNlcnZl ZCBmb3IgdXNlIGJ5IHRoZSBhcHBsaWNhdGlvbiDigJQgdGhpcyBpcyBleHBsaWNpdGx5IHN0YXRl ZCBpbiB0aGUgdXNhZ2UgZ3VpZGVsaW5lcyBJIHdyb3RlLiBSZWdhcmRpbmcgdG8gd2hhdCBoYXBw ZW5zIHdoZW5ldmVyIGEgbWVzc2FnZSBpcyBsb2dnZWQgb24gdGhhdCBsZXZlbCBpcyBlbnRpcmVs eSB1cCB0byB0aGUgYXBwbGljYXRpb24gYW5kIHRoZSByZXBvcnRlcnMgaXQgaW5zdGFsbHMuIElu IHNob3J0IGxpYnJhcmllcyBzaG91bGQgbmV2ZXIgdXNlIHRoZSBBcHAgbGV2ZWwgbmVpdGhlciBp bnN0YWxsIHJlcG9ydGVycy4KCkRhbmllbAoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1Mt ZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2Nn aS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Mon Oct 19 13:59:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 19 Oct 2015 13:59:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZoAxu-0004iB-8J; 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Mon, 19 Oct 2015 14:59:03 +0100 Received: by lbbwb3 with SMTP id wb3so83377480lbb.1 for ; Mon, 19 Oct 2015 06:59:03 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.112.172.138 with SMTP id bc10mr8357355lbc.74.1445263143166; Mon, 19 Oct 2015 06:59:03 -0700 (PDT) Received: by 10.25.24.90 with HTTP; Mon, 19 Oct 2015 06:59:03 -0700 (PDT) In-Reply-To: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> Date: Mon, 19 Oct 2015 14:59:03 +0100 Message-ID: From: Jeremy Yallop To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTYgT2N0b2JlciAyMDE1IGF0IDExOjU1LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBMZSB2ZW5kcmVkaSwgMTYgb2N0b2JyZSAyMDE1IMOg IDExOjExLCBBbmlsIE1hZGhhdmFwZWRkeSBhIMOpY3JpdCA6Cj4+IEFuZCBkZWJ1Z2sgaW4gdGhh dCBwdWxsIHJlcXVlc3QgYW5zd2VycyBteSBxdWVyeSBuaWNlbHk6Cj4+Cj4+IExvZy5kZWJ1Z2sg InJlY2VpdmVkICVzICglcykiIEBAIGZ1biBrIC0+IGsgKHByZXR0eSBrKSAocHJldHR5IHYpCj4g SSBwcmVmZXIgbXkgdmVyc2lvbiBtZW50aW9uZWQgb24gdGhlIHNhbWUgcGFnZQo+Cj4gICBMb2cu ZGVidWcgInJlY2VpdmVkICVhICglYSkiIHBwX2tleSBrIHBwX3ZhbHVlIHYKPgo+IHdoaWNoIGlz IHRoZSBuYXR1cmFsIHdheSBvZiB1c2luZyBGb3JtYXQuIEplcmVteSBtYXkgd2FudCB0byBjb21t ZW50IG9uIHRoZSBwZXJmb3JtYW5jZSByZXN1bHRzIHRob3VnaC4KCkkgYWRkZWQgc29tZSBwZXJm b3JtYW5jZSBtZWFzdXJlbWVudHMgY29tcGFyaW5nIHRoZSBkZWJ1Z2sgYW5kICclYScgYXBwcm9h Y2hlczoKCiAgIGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2Uvb2NhbWwtZ2l0L3B1bGwvMTMwI2lz c3VlY29tbWVudC0xNDkyMTgzNzQKCmFuZCBzb21lIG1vcmUgd2l0aCBhbiBvcHRpbWlzZWQgaWZw cmludGYgdGhhdCBtaWdodCBtYWtlIGl0IGludG8gYW4Kb2NhbWwvb2NhbWwgcHVsbCByZXF1ZXN0 IGF0IHNvbWUgcG9pbnQ6CgogICBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL29jYW1sLWdpdC9w dWxsLzEzMCNpc3N1ZWNvbW1lbnQtMTQ5MjE5NDExCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3Jn L2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Mon Oct 19 13:59:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 19 Oct 2015 13:59:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZoAxu-0004iB-8J; 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Mon, 19 Oct 2015 14:59:03 +0100 Received: by lbbwb3 with SMTP id wb3so83377480lbb.1 for ; Mon, 19 Oct 2015 06:59:03 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.112.172.138 with SMTP id bc10mr8357355lbc.74.1445263143166; Mon, 19 Oct 2015 06:59:03 -0700 (PDT) Received: by 10.25.24.90 with HTTP; Mon, 19 Oct 2015 06:59:03 -0700 (PDT) In-Reply-To: <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> Date: Mon, 19 Oct 2015 14:59:03 +0100 Message-ID: From: Jeremy Yallop To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" , Anil Madhavapeddy Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMTYgT2N0b2JlciAyMDE1IGF0IDExOjU1LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBMZSB2ZW5kcmVkaSwgMTYgb2N0b2JyZSAyMDE1IMOg IDExOjExLCBBbmlsIE1hZGhhdmFwZWRkeSBhIMOpY3JpdCA6Cj4+IEFuZCBkZWJ1Z2sgaW4gdGhh dCBwdWxsIHJlcXVlc3QgYW5zd2VycyBteSBxdWVyeSBuaWNlbHk6Cj4+Cj4+IExvZy5kZWJ1Z2sg InJlY2VpdmVkICVzICglcykiIEBAIGZ1biBrIC0+IGsgKHByZXR0eSBrKSAocHJldHR5IHYpCj4g SSBwcmVmZXIgbXkgdmVyc2lvbiBtZW50aW9uZWQgb24gdGhlIHNhbWUgcGFnZQo+Cj4gICBMb2cu ZGVidWcgInJlY2VpdmVkICVhICglYSkiIHBwX2tleSBrIHBwX3ZhbHVlIHYKPgo+IHdoaWNoIGlz IHRoZSBuYXR1cmFsIHdheSBvZiB1c2luZyBGb3JtYXQuIEplcmVteSBtYXkgd2FudCB0byBjb21t ZW50IG9uIHRoZSBwZXJmb3JtYW5jZSByZXN1bHRzIHRob3VnaC4KCkkgYWRkZWQgc29tZSBwZXJm b3JtYW5jZSBtZWFzdXJlbWVudHMgY29tcGFyaW5nIHRoZSBkZWJ1Z2sgYW5kICclYScgYXBwcm9h Y2hlczoKCiAgIGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2Uvb2NhbWwtZ2l0L3B1bGwvMTMwI2lz c3VlY29tbWVudC0xNDkyMTgzNzQKCmFuZCBzb21lIG1vcmUgd2l0aCBhbiBvcHRpbWlzZWQgaWZw cmludGYgdGhhdCBtaWdodCBtYWtlIGl0IGludG8gYW4Kb2NhbWwvb2NhbWwgcHVsbCByZXF1ZXN0 IGF0IHNvbWUgcG9pbnQ6CgogICBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdlL29jYW1sLWdpdC9w dWxsLzEzMCNpc3N1ZWNvbW1lbnQtMTQ5MjE5NDExCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdl T1MtZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3Jn L2NnaS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Tue Oct 20 17:50:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 20 Oct 2015 17:50:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zob3P-0000zG-Pw; 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a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=ZTNx2Fr2iQn+nA5XzYlRX9TpGJjcHRX6QOcfutUJ33s=; b=KI7Gzl1+7v0m5rZ8jFx760/0WVpiorlXX2wdhmkVCGcz1pFqBMIL3r41UIQj2HuyX5 b01H9eHbfRQbEy6oYsyXRs3TG8WJMn8LVQ5xtjIiXQ0gX4EZNYE6IE2ygyNir3SPeMXo Oo9xdmORrBeeSIDnB98hlHB21tsJxyK6QvGGDvWxEyVE0zEQu+2VDlzbw6ZuhN5G8Ldo MRQYC4+pnfa0r8vGasOyzBlscdGb82wmgt/ct7PfhEeSl4lBcFd2b6aRdy5ELYVVEulC kQtmuFD3JUyuIK+QYOj0wUbEKTVOqMAkp54M21dFt/oEeWydx9hpA3a4zmN5ozMuT1Fp zrhQ== MIME-Version: 1.0 X-Received: by 10.180.99.41 with SMTP id en9mr23871968wib.67.1445283325736; Mon, 19 Oct 2015 12:35:25 -0700 (PDT) Received: by 10.194.187.141 with HTTP; Mon, 19 Oct 2015 12:35:25 -0700 (PDT) Date: Mon, 19 Oct 2015 22:35:25 +0300 Message-ID: From: Cosmin Boaca To: mirageos-devel@lists.xenproject.org X-Mailman-Approved-At: Tue, 20 Oct 2015 17:50:30 +0000 Subject: [MirageOS-devel] [ Pioneer Projects ] X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4483466391506262482==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4483466391506262482== Content-Type: multipart/alternative; boundary=f46d04426c663b020405227a3f2c --f46d04426c663b020405227a3f2c Content-Type: text/plain; charset=UTF-8 Hello, My name is Cosmin Boaca and I am a student in 4th year at Politehnica University of Bucharest. I have seen the list of pioneer projects and I am interested in contributing to one of them and use it as subject for my Bachelor's Thesis. Regarding my technical background, I have a very good knowledge of C++, a fair knowledge of C, and a good understanding of functional programming concepts. I have attended a functional programming course in Scala on Coursera and have done several assignments on university projects in Haskell. I have basic knowledge of OCaml (the only thing that I have coded in OCaml are problems from 100 problems on their page). The projects in which I'm interested in are (order is random): Multi-process/vm support for ocaml ctypes Macros for OCaml Create a tiny VM for easy load-testing Since I want to use the project as my Bachelor's Thesis I will invest quite a lot of time on it, about 20hrs / week or even more if necessary. Looking forward to your answer. Thank you, Cosmin --f46d04426c663b020405227a3f2c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello,

My name is Cosmin Boaca and I am a student in 4th year at Politehnica Uni= versity of Bucharest. I have seen the list of pioneer projects and I am int= erested in contributing to one of them and use it as subject for my Bachelo= r's Thesis.

Regarding my technical background, = I have a very good knowledge of C++, a fair knowledge of C, and a good unde= rstanding of functional programming concepts.

I have attended = a functional programming course in Scala on Coursera and have done several = assignments on university projects in Haskell. I have basic knowledge of OC= aml (the only thing that I have coded in OCaml are problems from 100 proble= ms on their page).

The projects in which I'm interested in= are (order is random):

Multi-process/vm support for ocaml cty= pes
Macros for OCaml
Create a tiny VM for easy load-testi= ng

Since I want to use the project as my Bachelor's T= hesis I will invest quite a lot of time on it, about 20hrs / week or even m= ore if necessary.

Looking forward to your answer.

=
Thank you,
Cosmin
--f46d04426c663b020405227a3f2c-- --===============4483466391506262482== 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 --===============4483466391506262482==-- From mirageos-devel-bounces@lists.xenproject.org Tue Oct 20 17:50:41 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 20 Oct 2015 17:50:41 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zob3P-0000zG-Pw; Tue, 20 Oct 2015 17:50:31 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZoGDQ-0000FV-Qm for mirageos-devel@lists.xenproject.org; Mon, 19 Oct 2015 19:35:28 +0000 Received: from [193.109.254.147] by server-9.bemta-14.messagelabs.com id BB/A0-26043-00645265; Mon, 19 Oct 2015 19:35:28 +0000 X-Env-Sender: cosmin.boaca1994@gmail.com X-Msg-Ref: server-5.tower-27.messagelabs.com!1445283326!48250361!1 X-Originating-IP: [209.85.220.180] X-SpamReason: No, hits=1.2 required=7.0 tests=HTML_10_20,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 8944 invoked from network); 19 Oct 2015 19:35:26 -0000 Received: from mail-qk0-f180.google.com (HELO mail-qk0-f180.google.com) (209.85.220.180) by server-5.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 19 Oct 2015 19:35:26 -0000 Received: by qkcy65 with SMTP id y65so21515224qkc.0 for ; Mon, 19 Oct 2015 12:35:26 -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=ZTNx2Fr2iQn+nA5XzYlRX9TpGJjcHRX6QOcfutUJ33s=; b=KI7Gzl1+7v0m5rZ8jFx760/0WVpiorlXX2wdhmkVCGcz1pFqBMIL3r41UIQj2HuyX5 b01H9eHbfRQbEy6oYsyXRs3TG8WJMn8LVQ5xtjIiXQ0gX4EZNYE6IE2ygyNir3SPeMXo Oo9xdmORrBeeSIDnB98hlHB21tsJxyK6QvGGDvWxEyVE0zEQu+2VDlzbw6ZuhN5G8Ldo MRQYC4+pnfa0r8vGasOyzBlscdGb82wmgt/ct7PfhEeSl4lBcFd2b6aRdy5ELYVVEulC kQtmuFD3JUyuIK+QYOj0wUbEKTVOqMAkp54M21dFt/oEeWydx9hpA3a4zmN5ozMuT1Fp zrhQ== MIME-Version: 1.0 X-Received: by 10.180.99.41 with SMTP id en9mr23871968wib.67.1445283325736; Mon, 19 Oct 2015 12:35:25 -0700 (PDT) Received: by 10.194.187.141 with HTTP; Mon, 19 Oct 2015 12:35:25 -0700 (PDT) Date: Mon, 19 Oct 2015 22:35:25 +0300 Message-ID: From: Cosmin Boaca To: mirageos-devel@lists.xenproject.org X-Mailman-Approved-At: Tue, 20 Oct 2015 17:50:30 +0000 Subject: [MirageOS-devel] [ Pioneer Projects ] X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4483466391506262482==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4483466391506262482== Content-Type: multipart/alternative; boundary=f46d04426c663b020405227a3f2c --f46d04426c663b020405227a3f2c Content-Type: text/plain; charset=UTF-8 Hello, My name is Cosmin Boaca and I am a student in 4th year at Politehnica University of Bucharest. I have seen the list of pioneer projects and I am interested in contributing to one of them and use it as subject for my Bachelor's Thesis. Regarding my technical background, I have a very good knowledge of C++, a fair knowledge of C, and a good understanding of functional programming concepts. I have attended a functional programming course in Scala on Coursera and have done several assignments on university projects in Haskell. I have basic knowledge of OCaml (the only thing that I have coded in OCaml are problems from 100 problems on their page). The projects in which I'm interested in are (order is random): Multi-process/vm support for ocaml ctypes Macros for OCaml Create a tiny VM for easy load-testing Since I want to use the project as my Bachelor's Thesis I will invest quite a lot of time on it, about 20hrs / week or even more if necessary. Looking forward to your answer. Thank you, Cosmin --f46d04426c663b020405227a3f2c Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hello,

My name is Cosmin Boaca and I am a student in 4th year at Politehnica Uni= versity of Bucharest. I have seen the list of pioneer projects and I am int= erested in contributing to one of them and use it as subject for my Bachelo= r's Thesis.

Regarding my technical background, = I have a very good knowledge of C++, a fair knowledge of C, and a good unde= rstanding of functional programming concepts.

I have attended = a functional programming course in Scala on Coursera and have done several = assignments on university projects in Haskell. I have basic knowledge of OC= aml (the only thing that I have coded in OCaml are problems from 100 proble= ms on their page).

The projects in which I'm interested in= are (order is random):

Multi-process/vm support for ocaml cty= pes
Macros for OCaml
Create a tiny VM for easy load-testi= ng

Since I want to use the project as my Bachelor's T= hesis I will invest quite a lot of time on it, about 20hrs / week or even m= ore if necessary.

Looking forward to your answer.

=
Thank you,
Cosmin
--f46d04426c663b020405227a3f2c-- --===============4483466391506262482== 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 --===============4483466391506262482==-- From mirageos-devel-bounces@lists.xenproject.org Tue Oct 20 23:14:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 20 Oct 2015 23:14:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zog6l-0000Xt-K8; Tue, 20 Oct 2015 23:14:19 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zog6k-0000Xo-HJ for mirageos-devel@lists.xenproject.org; Tue, 20 Oct 2015 23:14:18 +0000 Received: from [193.109.254.147] by server-10.bemta-14.messagelabs.com id 85/1E-01143-9CAC6265; Tue, 20 Oct 2015 23:14:17 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-27.messagelabs.com!1445382856!60046542!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.9 required=7.0 tests=DATE_IN_PAST_03_06, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26024 invoked from network); 20 Oct 2015 23:14:16 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 20 Oct 2015 23:14:16 -0000 Received: from [172.31.96.68] (216.9.110.7 [216.9.110.7]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 69338f56 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 21 Oct 2015 00:14:16 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <561555A2.70400@dornerworks.com> Date: Tue, 20 Oct 2015 18:52:40 +0100 Message-Id: <6125D704-69D7-460E-B17B-68A1BF57F91C@recoil.org> References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> <561555A2.70400@dornerworks.com> To: Paul Skentzos X-Mailer: Apple Mail (2.3094) Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 18:25, Paul Skentzos wrote: > > Anil, > > On 10/7/2015 12:36 PM, Anil Madhavapeddy wrote: >> On 7 Oct 2015, at 15:53, Paul Skentzos wrote: >>> >>> Hi Luke, >>> >>> On 10/7/2015 10:15 AM, Luke Dunstan wrote: >>>> Hi Paul, >>>> >>>> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >>>> quite a while to discover that Xen normally disables the A20 UARTs by deleting >>>> them from the device tree: >>>> >>>> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >>>> >>>> Luke >>>> >>> >>> Yes, we do have this working. It was a bit of an annoyance that we discovered >>> just as you did when starting to work on the Cubietruck. >>> >>> We found that all serial ports with the "snps,dw-apb-uart" driver are >>> blacklisted on the "sunxi" platform to prevent dom0 from having driver access to >>> the Xen console. So we hacked up the attached patch. Which is not an ideal >>> fix, but it was good enough for now. >>> >>> The better fix would be to have Xen compare the memory address for every item in >>> the device tree against the addresses that Xen has already reserved for itself. >> >> We could apply this patch to the https://github.com/mirage/xen-arm-builder >> distribution, which is only really used to boot on Cubieboards at the moment. >> It's nice to have the out-of-the-box experience just work for that distribution. >> >> -anil >> >> > > I agree! > > Would you apply the patch as is or would you like us to formally submit the > patch through the mailing list? Hi Paul, The best way to get the patch into the repository is by submitting a GitHub Pull Request. This ensures that the provenance of the patch is tracked correctly as coming from you in the history (we can do this via the mailing list as well, but the web interface is easier). The relevant scripts in there that clone and build xen are in https://github.com/mirage/xen-arm-builder in the clone-repos.sh script and then build-xen.sh. You can either apply the patch above in this repo directly if you wish. Let me know if you have any questions about the GitHub PR process. regards, 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 Oct 20 23:14:28 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 20 Oct 2015 23:14:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zog6l-0000Xt-K8; Tue, 20 Oct 2015 23:14:19 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zog6k-0000Xo-HJ for mirageos-devel@lists.xenproject.org; Tue, 20 Oct 2015 23:14:18 +0000 Received: from [193.109.254.147] by server-10.bemta-14.messagelabs.com id 85/1E-01143-9CAC6265; Tue, 20 Oct 2015 23:14:17 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-9.tower-27.messagelabs.com!1445382856!60046542!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.9 required=7.0 tests=DATE_IN_PAST_03_06, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 26024 invoked from network); 20 Oct 2015 23:14:16 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 20 Oct 2015 23:14:16 -0000 Received: from [172.31.96.68] (216.9.110.7 [216.9.110.7]) by bark.recoil.org (OpenSMTPD) with ESMTPSA id 69338f56 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Wed, 21 Oct 2015 00:14:16 +0100 (BST) Mime-Version: 1.0 (Mac OS X Mail 9.0 \(3094\)) From: Anil Madhavapeddy In-Reply-To: <561555A2.70400@dornerworks.com> Date: Tue, 20 Oct 2015 18:52:40 +0100 Message-Id: <6125D704-69D7-460E-B17B-68A1BF57F91C@recoil.org> References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> <561555A2.70400@dornerworks.com> To: Paul Skentzos X-Mailer: Apple Mail (2.3094) Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Oct 2015, at 18:25, Paul Skentzos wrote: > > Anil, > > On 10/7/2015 12:36 PM, Anil Madhavapeddy wrote: >> On 7 Oct 2015, at 15:53, Paul Skentzos wrote: >>> >>> Hi Luke, >>> >>> On 10/7/2015 10:15 AM, Luke Dunstan wrote: >>>> Hi Paul, >>>> >>>> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >>>> quite a while to discover that Xen normally disables the A20 UARTs by deleting >>>> them from the device tree: >>>> >>>> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >>>> >>>> Luke >>>> >>> >>> Yes, we do have this working. It was a bit of an annoyance that we discovered >>> just as you did when starting to work on the Cubietruck. >>> >>> We found that all serial ports with the "snps,dw-apb-uart" driver are >>> blacklisted on the "sunxi" platform to prevent dom0 from having driver access to >>> the Xen console. So we hacked up the attached patch. Which is not an ideal >>> fix, but it was good enough for now. >>> >>> The better fix would be to have Xen compare the memory address for every item in >>> the device tree against the addresses that Xen has already reserved for itself. >> >> We could apply this patch to the https://github.com/mirage/xen-arm-builder >> distribution, which is only really used to boot on Cubieboards at the moment. >> It's nice to have the out-of-the-box experience just work for that distribution. >> >> -anil >> >> > > I agree! > > Would you apply the patch as is or would you like us to formally submit the > patch through the mailing list? Hi Paul, The best way to get the patch into the repository is by submitting a GitHub Pull Request. This ensures that the provenance of the patch is tracked correctly as coming from you in the history (we can do this via the mailing list as well, but the web interface is easier). The relevant scripts in there that clone and build xen are in https://github.com/mirage/xen-arm-builder in the clone-repos.sh script and then build-xen.sh. You can either apply the patch above in this repo directly if you wish. Let me know if you have any questions about the GitHub PR process. regards, 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 Oct 21 23:44:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 21 Oct 2015 23:44:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zp32s-0004gu-5Q; Wed, 21 Oct 2015 23:43:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zp32r-0004gp-Jl for MirageOS-devel@lists.xenproject.org; Wed, 21 Oct 2015 23:43:49 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 46/29-04752-43328265; Wed, 21 Oct 2015 23:43:48 +0000 X-Env-Sender: wmhaddad@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1445471027!24384400!1 X-Originating-IP: [209.85.218.44] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7405 invoked from network); 21 Oct 2015 23:43:48 -0000 Received: from mail-oi0-f44.google.com (HELO mail-oi0-f44.google.com) (209.85.218.44) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Oct 2015 23:43:48 -0000 Received: by oiev17 with SMTP id v17so38837496oie.2 for ; Wed, 21 Oct 2015 16:43:47 -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:cc:content-type; bh=dwx9PkY28vCUg9BP2FpCUS3wGyfgVs6WA+txxgZN9H8=; b=cUwFcYeKWFF9XJT9KE/9Hui/n4wbqVlXQf6okGcHsYP83Y3G3px6p2MKd87Wn5sYAr wAE49T4NqtMhFYNPJPukimBW0cZkj4TATrPfaA6NQUdMjudy9WYUZugTn2GUblZuuQot EQ7avrkDOgU4+twS41JE6i/9amSH19gL4yIXTMGAO3z2OzoHfDnACYqeWCi4euXkoVHo WV+O2EZVR8+XDdZO7v1UE+pmTRMiBwFUcqoC0BDxvz9Ih+q5zogtw2pW6rpvKJIhiB9c XiOf2tV/I+EBrSTX/zLa5v9gyCu8anwWCwC4cqIsJzrc2T7PZNSr4OrdgVyd8XpByl4v xMyw== MIME-Version: 1.0 X-Received: by 10.202.49.215 with SMTP id x206mr7950781oix.81.1445471026976; Wed, 21 Oct 2015 16:43:46 -0700 (PDT) Received: by 10.202.86.65 with HTTP; Wed, 21 Oct 2015 16:43:46 -0700 (PDT) Date: Wed, 21 Oct 2015 16:43:46 -0700 Message-ID: From: Wassim Haddad To: MirageOS-devel@lists.xenproject.org Subject: [MirageOS-devel] Vchan read/write X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5307109337210996140==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5307109337210996140== Content-Type: multipart/alternative; boundary=001a113cd502189f720522a5f380 --001a113cd502189f720522a5f380 Content-Type: text/plain; charset=UTF-8 Dear all, Is there an example code that read/write to different vchan ports (e.g. echo server)? Much appreciated! Wassim H. --001a113cd502189f720522a5f380 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Dear all,

Is there an example code = that read/write to different vchan ports (e.g. echo server)?
=

Much appreciated!

Wa= ssim H.



--001a113cd502189f720522a5f380-- --===============5307109337210996140== 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 --===============5307109337210996140==-- From mirageos-devel-bounces@lists.xenproject.org Wed Oct 21 23:44:01 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 21 Oct 2015 23:44:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zp32s-0004gu-5Q; Wed, 21 Oct 2015 23:43:50 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zp32r-0004gp-Jl for MirageOS-devel@lists.xenproject.org; Wed, 21 Oct 2015 23:43:49 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id 46/29-04752-43328265; Wed, 21 Oct 2015 23:43:48 +0000 X-Env-Sender: wmhaddad@gmail.com X-Msg-Ref: server-2.tower-27.messagelabs.com!1445471027!24384400!1 X-Originating-IP: [209.85.218.44] X-SpamReason: No, hits=0.4 required=7.0 tests=HTML_50_60,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 7405 invoked from network); 21 Oct 2015 23:43:48 -0000 Received: from mail-oi0-f44.google.com (HELO mail-oi0-f44.google.com) (209.85.218.44) by server-2.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 21 Oct 2015 23:43:48 -0000 Received: by oiev17 with SMTP id v17so38837496oie.2 for ; Wed, 21 Oct 2015 16:43:47 -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:cc:content-type; bh=dwx9PkY28vCUg9BP2FpCUS3wGyfgVs6WA+txxgZN9H8=; b=cUwFcYeKWFF9XJT9KE/9Hui/n4wbqVlXQf6okGcHsYP83Y3G3px6p2MKd87Wn5sYAr wAE49T4NqtMhFYNPJPukimBW0cZkj4TATrPfaA6NQUdMjudy9WYUZugTn2GUblZuuQot EQ7avrkDOgU4+twS41JE6i/9amSH19gL4yIXTMGAO3z2OzoHfDnACYqeWCi4euXkoVHo WV+O2EZVR8+XDdZO7v1UE+pmTRMiBwFUcqoC0BDxvz9Ih+q5zogtw2pW6rpvKJIhiB9c XiOf2tV/I+EBrSTX/zLa5v9gyCu8anwWCwC4cqIsJzrc2T7PZNSr4OrdgVyd8XpByl4v xMyw== MIME-Version: 1.0 X-Received: by 10.202.49.215 with SMTP id x206mr7950781oix.81.1445471026976; Wed, 21 Oct 2015 16:43:46 -0700 (PDT) Received: by 10.202.86.65 with HTTP; Wed, 21 Oct 2015 16:43:46 -0700 (PDT) Date: Wed, 21 Oct 2015 16:43:46 -0700 Message-ID: From: Wassim Haddad To: MirageOS-devel@lists.xenproject.org Subject: [MirageOS-devel] Vchan read/write X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============5307109337210996140==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============5307109337210996140== Content-Type: multipart/alternative; boundary=001a113cd502189f720522a5f380 --001a113cd502189f720522a5f380 Content-Type: text/plain; charset=UTF-8 Dear all, Is there an example code that read/write to different vchan ports (e.g. echo server)? Much appreciated! Wassim H. --001a113cd502189f720522a5f380 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Dear all,

Is there an example code = that read/write to different vchan ports (e.g. echo server)?
=

Much appreciated!

Wa= ssim H.



--001a113cd502189f720522a5f380-- --===============5307109337210996140== 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 --===============5307109337210996140==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 22 08:44:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 22 Oct 2015 08:44:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpBUE-00025W-HE; Thu, 22 Oct 2015 08:44:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpBUC-00025R-Oc for MirageOS-devel@lists.xenproject.org; Thu, 22 Oct 2015 08:44:36 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id C0/B7-01421-3F1A8265; Thu, 22 Oct 2015 08:44:35 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1445503475!55586256!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30294 invoked from network); 22 Oct 2015 08:44:35 -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; 22 Oct 2015 08:44:35 -0000 Received: by wijp11 with SMTP id p11so20818487wij.0 for ; Thu, 22 Oct 2015 01:44:34 -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=JD1fBP19t+3l3svVsuwiVwJMKxSGpZ880/BzFu3kh3M=; b=WE4rQArVTtywk0F7p+MC5Dk4KB5eg4pBkHlKfRoMvyahtFlLYyuSa2Dh2095+soniS hUvnp7ete22oMKtcJhpV71U5xeI1HCi6UlGGVKMw95r5UlLKfRJobBmWvmziZ05C2Ns3 zdjjdlnoJBMYPrk+pOgJN/AzC2gYQPEwPOV03074OaQ+5trtGJWeyM3QHaZjlnBex4xQ KW82kUVrjSREcZr+Sa/hDndqssgmd9AfXKaspUWla01be2jWWv621JcOmX0CbIdhDo5/ VCnAHO3DetVAdfyYISrJnEY1ycvRbO2hpPXJtXWYJF6XciXoy+R0Vn+rFxB87vdMHrWl 79rw== MIME-Version: 1.0 X-Received: by 10.194.79.196 with SMTP id l4mr17145192wjx.93.1445503474728; Thu, 22 Oct 2015 01:44:34 -0700 (PDT) Received: by 10.28.88.135 with HTTP; Thu, 22 Oct 2015 01:44:34 -0700 (PDT) In-Reply-To: References: Date: Thu, 22 Oct 2015 09:44:34 +0100 Message-ID: From: David Scott To: Wassim Haddad Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Vchan read/write X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6321816915605583092==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6321816915605583092== Content-Type: multipart/alternative; boundary=047d7beb9f6e22083c0522ad8116 --047d7beb9f6e22083c0522ad8116 Content-Type: text/plain; charset=UTF-8 Hi, Have a look at the cli in the ocaml-vchan repo first: https://github.com/mirage/ocaml-vchan/blob/master/cli/xencat.ml This uses the low-level vchan interfaces and is useful for debugging problems with the setup (exchanging domain ids, event channels etc). In a real app it might be better to use the ocaml-conduit interfaces, which makes it easier to switch between transports (e.g. switch to TCP based on a command-line option). Cheers, Dave On Thu, Oct 22, 2015 at 12:43 AM, Wassim Haddad wrote: > Dear all, > > Is there an example code that read/write to different vchan ports (e.g. > echo server)? > > > Much appreciated! > > Wassim H. > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > -- Dave Scott --047d7beb9f6e22083c0522ad8116 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

Have a look at the cli in the ocaml= -vchan repo first:


This use= s the low-level vchan interfaces and is useful for debugging problems with = the setup (exchanging domain ids, event channels etc). In a real app it mig= ht be better to use the ocaml-conduit interfaces, which makes it easier to = switch between transports (e.g. switch to TCP based on a command-line optio= n).

Cheers,
Dave

On Thu, Oct 22, 2015 at 12:= 43 AM, Wassim Haddad <wmhaddad@gmail.com> wrote:
Dear all,

I= s there an example code that read/write to different vchan ports (e.g. echo= server)?


Much appreciated!

Wassim H.



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




--
Dave Scott
--047d7beb9f6e22083c0522ad8116-- --===============6321816915605583092== 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 --===============6321816915605583092==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 22 08:44:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 22 Oct 2015 08:44:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpBUE-00025W-HE; Thu, 22 Oct 2015 08:44:38 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpBUC-00025R-Oc for MirageOS-devel@lists.xenproject.org; Thu, 22 Oct 2015 08:44:36 +0000 Received: from [85.158.137.68] by server-1.bemta-3.messagelabs.com id C0/B7-01421-3F1A8265; Thu, 22 Oct 2015 08:44:35 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-8.tower-31.messagelabs.com!1445503475!55586256!1 X-Originating-IP: [209.85.212.171] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 30294 invoked from network); 22 Oct 2015 08:44:35 -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; 22 Oct 2015 08:44:35 -0000 Received: by wijp11 with SMTP id p11so20818487wij.0 for ; Thu, 22 Oct 2015 01:44:34 -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=JD1fBP19t+3l3svVsuwiVwJMKxSGpZ880/BzFu3kh3M=; b=WE4rQArVTtywk0F7p+MC5Dk4KB5eg4pBkHlKfRoMvyahtFlLYyuSa2Dh2095+soniS hUvnp7ete22oMKtcJhpV71U5xeI1HCi6UlGGVKMw95r5UlLKfRJobBmWvmziZ05C2Ns3 zdjjdlnoJBMYPrk+pOgJN/AzC2gYQPEwPOV03074OaQ+5trtGJWeyM3QHaZjlnBex4xQ KW82kUVrjSREcZr+Sa/hDndqssgmd9AfXKaspUWla01be2jWWv621JcOmX0CbIdhDo5/ VCnAHO3DetVAdfyYISrJnEY1ycvRbO2hpPXJtXWYJF6XciXoy+R0Vn+rFxB87vdMHrWl 79rw== MIME-Version: 1.0 X-Received: by 10.194.79.196 with SMTP id l4mr17145192wjx.93.1445503474728; Thu, 22 Oct 2015 01:44:34 -0700 (PDT) Received: by 10.28.88.135 with HTTP; Thu, 22 Oct 2015 01:44:34 -0700 (PDT) In-Reply-To: References: Date: Thu, 22 Oct 2015 09:44:34 +0100 Message-ID: From: David Scott To: Wassim Haddad Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Vchan read/write X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6321816915605583092==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6321816915605583092== Content-Type: multipart/alternative; boundary=047d7beb9f6e22083c0522ad8116 --047d7beb9f6e22083c0522ad8116 Content-Type: text/plain; charset=UTF-8 Hi, Have a look at the cli in the ocaml-vchan repo first: https://github.com/mirage/ocaml-vchan/blob/master/cli/xencat.ml This uses the low-level vchan interfaces and is useful for debugging problems with the setup (exchanging domain ids, event channels etc). In a real app it might be better to use the ocaml-conduit interfaces, which makes it easier to switch between transports (e.g. switch to TCP based on a command-line option). Cheers, Dave On Thu, Oct 22, 2015 at 12:43 AM, Wassim Haddad wrote: > Dear all, > > Is there an example code that read/write to different vchan ports (e.g. > echo server)? > > > Much appreciated! > > Wassim H. > > > > > _______________________________________________ > MirageOS-devel mailing list > MirageOS-devel@lists.xenproject.org > http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel > > -- Dave Scott --047d7beb9f6e22083c0522ad8116 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

Have a look at the cli in the ocaml= -vchan repo first:


This use= s the low-level vchan interfaces and is useful for debugging problems with = the setup (exchanging domain ids, event channels etc). In a real app it mig= ht be better to use the ocaml-conduit interfaces, which makes it easier to = switch between transports (e.g. switch to TCP based on a command-line optio= n).

Cheers,
Dave

On Thu, Oct 22, 2015 at 12:= 43 AM, Wassim Haddad <wmhaddad@gmail.com> wrote:
Dear all,

I= s there an example code that read/write to different vchan ports (e.g. echo= server)?


Much appreciated!

Wassim H.



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




--
Dave Scott
--047d7beb9f6e22083c0522ad8116-- --===============6321816915605583092== 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 --===============6321816915605583092==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 23 00:37:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 00:37:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpQMS-0006ib-MU; Fri, 23 Oct 2015 00:37:36 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpQMQ-0006iW-RB for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 00:37:34 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id 4F/91-19220-E4189265; Fri, 23 Oct 2015 00:37:34 +0000 X-Env-Sender: jdy22@hermes.cam.ac.uk X-Msg-Ref: server-9.tower-206.messagelabs.com!1445560653!44402744!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27039 invoked from network); 23 Oct 2015 00:37:33 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-9.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 23 Oct 2015 00:37:33 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from mail-lf0-f51.google.com ([209.85.215.51]:34995) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:587) with esmtpsa (PLAIN:jdy22) (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) id 1ZpQMO-0005pF-ls (Exim 4.86_36-e07b163) for mirageos-devel@lists.xenproject.org (return-path ); Fri, 23 Oct 2015 01:37:32 +0100 Received: by lfbn126 with SMTP id n126so32371080lfb.2 for ; Thu, 22 Oct 2015 17:37:32 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.112.172.138 with SMTP id bc10mr9428697lbc.74.1445560652317; Thu, 22 Oct 2015 17:37:32 -0700 (PDT) Received: by 10.25.24.90 with HTTP; Thu, 22 Oct 2015 17:37:32 -0700 (PDT) In-Reply-To: References: Date: Fri, 23 Oct 2015 01:37:32 +0100 Message-ID: From: Jeremy Yallop To: Cosmin Boaca Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [ Pioneer Projects ] X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cosmin, On 19 October 2015 at 20:35, Cosmin Boaca wrote: > My name is Cosmin Boaca and I am a student in 4th year at Politehnica > University of Bucharest. I have seen the list of pioneer projects and I am > interested in contributing to one of them and use it as subject for my > Bachelor's Thesis. Great! > The projects in which I'm interested in are (order is random): I'll just comment on the projects for which I'm mentor. > Multi-process/vm support for ocaml ctypes I think this one could make a good Bachelor's project. There's plenty of scope for extension and experiment around the basic idea, and there's also the potential for a fun demo showing how to build software that can recover from memory-corruption issues that are usually fatal. > Macros for OCaml This one could turn into a good project, but there's a little more risk involved than the multi-process ctypes project, because the amount of work needed to get to a working state is significantly larger, and because it involves working with a more complex code base. However, if you can makes sense of the abstract linked from the project description, and if you're not daunted by the prospect of hacking on the OCaml compiler (even after looking at the type-checker internals!) then this could be a good fit. Let me know if you have further questions! Kind regards, Jeremy. _______________________________________________ MirageOS-devel 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 Oct 23 00:37:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 00:37:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpQMS-0006ib-MU; Fri, 23 Oct 2015 00:37:36 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpQMQ-0006iW-RB for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 00:37:34 +0000 Received: from [85.158.139.211] by server-12.bemta-5.messagelabs.com id 4F/91-19220-E4189265; Fri, 23 Oct 2015 00:37:34 +0000 X-Env-Sender: jdy22@hermes.cam.ac.uk X-Msg-Ref: server-9.tower-206.messagelabs.com!1445560653!44402744!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27039 invoked from network); 23 Oct 2015 00:37:33 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-9.tower-206.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 23 Oct 2015 00:37:33 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from mail-lf0-f51.google.com ([209.85.215.51]:34995) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:587) with esmtpsa (PLAIN:jdy22) (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) id 1ZpQMO-0005pF-ls (Exim 4.86_36-e07b163) for mirageos-devel@lists.xenproject.org (return-path ); Fri, 23 Oct 2015 01:37:32 +0100 Received: by lfbn126 with SMTP id n126so32371080lfb.2 for ; Thu, 22 Oct 2015 17:37:32 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.112.172.138 with SMTP id bc10mr9428697lbc.74.1445560652317; Thu, 22 Oct 2015 17:37:32 -0700 (PDT) Received: by 10.25.24.90 with HTTP; Thu, 22 Oct 2015 17:37:32 -0700 (PDT) In-Reply-To: References: Date: Fri, 23 Oct 2015 01:37:32 +0100 Message-ID: From: Jeremy Yallop To: Cosmin Boaca Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] [ Pioneer Projects ] X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cosmin, On 19 October 2015 at 20:35, Cosmin Boaca wrote: > My name is Cosmin Boaca and I am a student in 4th year at Politehnica > University of Bucharest. I have seen the list of pioneer projects and I am > interested in contributing to one of them and use it as subject for my > Bachelor's Thesis. Great! > The projects in which I'm interested in are (order is random): I'll just comment on the projects for which I'm mentor. > Multi-process/vm support for ocaml ctypes I think this one could make a good Bachelor's project. There's plenty of scope for extension and experiment around the basic idea, and there's also the potential for a fun demo showing how to build software that can recover from memory-corruption issues that are usually fatal. > Macros for OCaml This one could turn into a good project, but there's a little more risk involved than the multi-process ctypes project, because the amount of work needed to get to a working state is significantly larger, and because it involves working with a more complex code base. However, if you can makes sense of the abstract linked from the project description, and if you're not daunted by the prospect of hacking on the OCaml compiler (even after looking at the type-checker internals!) then this could be a good fit. Let me know if you have further questions! Kind regards, Jeremy. _______________________________________________ MirageOS-devel 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 Oct 23 01:18:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 01:18:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpR0I-0004jJ-Mc; Fri, 23 Oct 2015 01:18:46 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpR0H-0004jC-Ms for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 01:18:45 +0000 Received: from [85.158.137.68] by server-11.bemta-3.messagelabs.com id 45/CC-32641-4FA89265; Fri, 23 Oct 2015 01:18:44 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-3.tower-31.messagelabs.com!1445563123!23928360!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5827 invoked from network); 23 Oct 2015 01:18:44 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-3.tower-31.messagelabs.com with SMTP; 23 Oct 2015 01:18:44 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 47F252084C84 for ; Fri, 23 Oct 2015 01:18:42 +0000 (UTC) Date: Fri, 23 Oct 2015 02:18:40 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: mirageos-devel@lists.xenproject.org Message-ID: <5176CE5E309344F1A662892195EFAF83@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Ok so here's something: http://erratique.ch/software/logs http://erratique.ch/software/logs/doc/ Given that it's clearly superior from a disabled logging performance point of view, Logs uses Dr. Yallop's formatting continuation technique. Thanks also to Gabriel R. for making further convincing tests on this with flambda. I refrained of introducing timestamps or sequence numbers in the API to avoid introducing unwanted deps. I think these things can perfectly be handled at the reporter level. Don't use the error result value loggers for now they will change. Feedback welcome here or on the issue tracker. Best, Daniel _______________________________________________ MirageOS-devel 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 Oct 23 01:18:49 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 01:18:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpR0I-0004jJ-Mc; Fri, 23 Oct 2015 01:18:46 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpR0H-0004jC-Ms for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 01:18:45 +0000 Received: from [85.158.137.68] by server-11.bemta-3.messagelabs.com id 45/CC-32641-4FA89265; Fri, 23 Oct 2015 01:18:44 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-3.tower-31.messagelabs.com!1445563123!23928360!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5827 invoked from network); 23 Oct 2015 01:18:44 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-3.tower-31.messagelabs.com with SMTP; 23 Oct 2015 01:18:44 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 47F252084C84 for ; Fri, 23 Oct 2015 01:18:42 +0000 (UTC) Date: Fri, 23 Oct 2015 02:18:40 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: mirageos-devel@lists.xenproject.org Message-ID: <5176CE5E309344F1A662892195EFAF83@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Ok so here's something: http://erratique.ch/software/logs http://erratique.ch/software/logs/doc/ Given that it's clearly superior from a disabled logging performance point of view, Logs uses Dr. Yallop's formatting continuation technique. Thanks also to Gabriel R. for making further convincing tests on this with flambda. I refrained of introducing timestamps or sequence numbers in the API to avoid introducing unwanted deps. I think these things can perfectly be handled at the reporter level. Don't use the error result value loggers for now they will change. Feedback welcome here or on the issue tracker. Best, Daniel _______________________________________________ MirageOS-devel 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 Oct 23 08:49:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 08:49:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpY2a-0005du-IH; Fri, 23 Oct 2015 08:49:36 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpY2Z-0005dg-99 for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 08:49:35 +0000 Received: from [85.158.139.211] by server-17.bemta-5.messagelabs.com id 49/A4-18107-E94F9265; Fri, 23 Oct 2015 08:49:34 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1445590172!44487025!1 X-Originating-IP: [209.85.213.52] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24186 invoked from network); 23 Oct 2015 08:49:33 -0000 Received: from mail-vk0-f52.google.com (HELO mail-vk0-f52.google.com) (209.85.213.52) by server-5.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 23 Oct 2015 08:49:33 -0000 Received: by vkgy127 with SMTP id y127so60894136vkg.0 for ; Fri, 23 Oct 2015 01:49:32 -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=gqCoATYL3EGiFlux5yIPyOEti0HoNeMCDj9HBwvBvKE=; b=FLU1ZV70cATuQVwXYkLDWqhaWOGNj6z+8v0MD6v8kuNcjSwDyiHxiuLRpjSwIGdk1N LNwG/2Pie/1dh1c1Ie5ieIkASLicUuh9RIAq2F7Rvq1MnMW9r8Wu/VN1JatGGG8iH59n XK2uDB05QyiBI7PVaDZ/CuY86x62eLEOy1Cwjwf/k1c97fGJoPiUQhD8u97p+jzZC5uu Jo/upGAYJBY1/17RGbGE7N3BoFo5W6FqpXMG9tpb2FzCksQ2qvvP7uhk65SpI8mQlDRx 10Ht2Y2usZPyay6NbCCr+rmvcICrYXsL2a4sxwdDakAeOGQX2IdpDWpV+eEu+XXtalrj yxQw== MIME-Version: 1.0 X-Received: by 10.31.49.10 with SMTP id x10mr12337163vkx.46.1445590172508; Fri, 23 Oct 2015 01:49:32 -0700 (PDT) Received: by 10.31.63.66 with HTTP; Fri, 23 Oct 2015 01:49:32 -0700 (PDT) In-Reply-To: <5176CE5E309344F1A662892195EFAF83@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> Date: Fri, 23 Oct 2015 09:49:32 +0100 Message-ID: From: Thomas Leonard To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMjMgT2N0b2JlciAyMDE1IGF0IDAyOjE4LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPiBPayBzbyBoZXJlJ3Mgc29tZXRoaW5nOgo+Cj4gICBo dHRwOi8vZXJyYXRpcXVlLmNoL3NvZnR3YXJlL2xvZ3MKPiAgIGh0dHA6Ly9lcnJhdGlxdWUuY2gv c29mdHdhcmUvbG9ncy9kb2MvCj4KPiBHaXZlbiB0aGF0IGl0J3MgY2xlYXJseSBzdXBlcmlvciBm cm9tIGEgZGlzYWJsZWQgbG9nZ2luZyBwZXJmb3JtYW5jZSBwb2ludCBvZiB2aWV3LCBMb2dzIHVz ZXMgRHIuIFlhbGxvcCdzIGZvcm1hdHRpbmcgY29udGludWF0aW9uIHRlY2huaXF1ZS4gVGhhbmtz IGFsc28gdG8gR2FicmllbCBSLiBmb3IgbWFraW5nIGZ1cnRoZXIgY29udmluY2luZyB0ZXN0cyBv biB0aGlzIHdpdGggZmxhbWJkYS4KPgo+IEkgcmVmcmFpbmVkIG9mIGludHJvZHVjaW5nIHRpbWVz dGFtcHMgb3Igc2VxdWVuY2UgbnVtYmVycyBpbiB0aGUgQVBJIHRvIGF2b2lkIGludHJvZHVjaW5n IHVud2FudGVkIGRlcHMuIEkgdGhpbmsgdGhlc2UgdGhpbmdzIGNhbiBwZXJmZWN0bHkgYmUgaGFu 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IGxpbmUuIGUuZy4KCiAgbXlwcm9nIC0tbG9nZ2luZz1jb2h0dHA6ZGVidWcsdGxzOmluZm8gLi4u CgpJdCB3b3VsZCBiZSBuaWNlIGlmIGFsbCB0aGUgYm9pbGVycGxhdGUgY291bGQgYmUgaGFuZGxl ZCBpbiB0aGUKbGlicmFyeSB3aXRoIGEgY29udmVuaWVuY2UgZnVuY3Rpb24sIHNvIGFwcGxpY2F0 aW9ucyBkaWRuJ3QgbmVlZCB0bwpjb3B5IGl0IGFsbCBpbi4gSSBpbWFnaW5lIGFsbW9zdCBldmVy eSBhcHBsaWNhdGlvbiB3aWxsIHdhbnQgdG8gZG8gdGhlCnNhbWUgdGhpbmcgaGVyZS4KCgpUeXBv czoKCi0gcy9Mb2dpbmcvTG9nZ2luZy8KLSBMb2dzX2NsaS5sZXZlbCBpcyBjYWxsZWQgInZlcmJv c2UiIGluIHRoZSBkb2Mgc3RyaW5nCgoKLS0gCkRyIFRob21hcyBMZW9uYXJkICAgICAgICBodHRw Oi8vcm9zY2lkdXMuY29tL2Jsb2cvCkdQRzogREE5OCAyNUFFIENBRDAgODk3NSA3Q0RBICBCRDhF IDA3MTMgM0Y5NiBDQTc0IEQ4QkEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBs aXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9t YWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Fri Oct 23 08:49:47 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 08:49:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpY2a-0005du-IH; Fri, 23 Oct 2015 08:49:36 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpY2Z-0005dg-99 for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 08:49:35 +0000 Received: from [85.158.139.211] by server-17.bemta-5.messagelabs.com id 49/A4-18107-E94F9265; Fri, 23 Oct 2015 08:49:34 +0000 X-Env-Sender: talex5@gmail.com X-Msg-Ref: server-5.tower-206.messagelabs.com!1445590172!44487025!1 X-Originating-IP: [209.85.213.52] X-SpamReason: No, hits=0.3 required=7.0 tests=RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 24186 invoked from network); 23 Oct 2015 08:49:33 -0000 Received: from mail-vk0-f52.google.com (HELO 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23 Oct 2015 01:49:32 -0700 (PDT) In-Reply-To: <5176CE5E309344F1A662892195EFAF83@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> Date: Fri, 23 Oct 2015 09:49:32 +0100 Message-ID: From: Thomas Leonard To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMjMgT2N0b2JlciAyMDE1IGF0IDAyOjE4LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 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Oct 2015 10:42:22 +0000 (UTC) Date: Fri, 23 Oct 2015 11:42:20 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> 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] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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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([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpZnl-000217-AX for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 10:42:25 +0000 Received: from [85.158.139.211] by server-9.bemta-5.messagelabs.com id 88/58-30270-01F0A265; Fri, 23 Oct 2015 10:42:24 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-2.tower-206.messagelabs.com!1445596943!21084641!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16745 invoked from network); 23 Oct 2015 10:42:23 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-2.tower-206.messagelabs.com with SMTP; 23 Oct 2015 10:42:23 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id A27C6207F475; Fri, 23 Oct 2015 10:42:22 +0000 (UTC) Date: Fri, 23 Oct 2015 11:42:20 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> 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] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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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SSB3b3VsZCBsaWtlIHRoaXMgdG8gcmVtYWluIHNvLiBJdCdzIGFsd2F5cyBwcmVmZXJhYmxlIHRv IGZpbmQgb3V0IHRoZSByaWdodCBjb21wb3NhYmxlIGNvbXBvbmVudHMgZmlyc3QuIEFic3RyYWN0 aW5nIGJvaWxlciBwbGF0ZSBjYW4gYWx3YXlzIGJlIGRvbmUgb24gdG9wIG9mIGl0IGxhdGVyIGFu ZCBzb21ld2hlcmUgZWxzZSBmb3IgZXhhbXBsZSBpbiBhbiBhcHBsaWNhdGlvbiBjcmVhdGlvbiBs aWJyYXJ5LiAgCgpCZXN0LCAgCgpEYW5pZWwKCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VP Uy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcv Y2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Fri Oct 23 12:20:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 12:20:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpbKu-0002IK-U8; Fri, 23 Oct 2015 12:20:44 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpbKt-0002IE-Q9 for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 12:20:44 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id F6/EE-31069-B162A265; Fri, 23 Oct 2015 12:20:43 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-31.messagelabs.com!1445602841!6603149!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_30_40,HTML_MESSAGE, MIME_QP_LONG_LINE,RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22586 invoked from network); 23 Oct 2015 12:20:41 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 23 Oct 2015 12:20:41 -0000 Received: by bark.recoil.org (OpenSMTPD) with ESMTPSA id 64799102 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO for ; Fri, 23 Oct 2015 13:20:39 +0100 (BST) From: Anil Madhavapeddy Mime-Version: 1.0 (1.0) Message-Id: Date: Fri, 23 Oct 2015 05:20:36 -0700 References: <562A253F.2010207@jermar.eu> To: mirageos-devel@lists.xenproject.org X-Mailer: iPhone Mail (13A452) Subject: [MirageOS-devel] Fwd: FOSDEM 2016 - Microkernel devroom CfP X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4544207801704212081==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4544207801704212081== Content-Type: multipart/alternative; boundary=Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098 Content-Transfer-Encoding: 7bit --Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Begin forwarded message: > From: Jakub Jermar > Date: 23 October 2015 at 05:17:03 GMT-7 > To: HelenOS development mailing list , genod= e-main@lists.sourceforge.net, bug-hurd@gnu.org, Julian Stecklina , Bj=C3=B6rn D=C3=B6bel , s= artakov@ksyslabs.org, rumpkernel-users@freelists.org, devel@sel4.systems, mi= nix3@googlegroups.com > Cc: fosdem@lists.fosdem.org, microkernel-devroom@lists.fosdem.org > Subject: FOSDEM 2016 - Microkernel devroom CfP > Reply-To: jakub@jermar.eu >=20 > FOSDEM 2016 - Microkernel devroom > CALL FOR PARTICIPATION >=20 > The developers of several free and open-source microkernel-based > operating systems will meet at =E2=80=8BFOSDEM 2016[1] in Brussels, Belgiu= m and > will share a developer room. The devroom is currently looking for > content in the form of talks and activities related to the area of > microkernel-based operating systems. Possible topics include, but are > not limited to: >=20 > * project introductory and status update talks, demos > * architecture, subsystem and components' design > * hardware and device drivers > * tools, languages and toolchains > * development, debugging, testing and release engineering > * best practices and learning from mistakes > * trends and challenges > * community and life with a microkernel project >=20 > Please use the =E2=80=8BPentabarf[2] system to submit your proposals. You d= o not > need to create a new account if you already have one. When in doubt, > please use the =E2=80=8Bdevroom mailing list[3]. The deadline for your CfP= > submissions is on 2015-12-13. Make sure to include the following in your > proposal: >=20 > * title of your talk > * abstract (one or two paragraphs) > * your full name > * your short bio > * a picture of yourself > * duration of your talk >=20 > The official devroom schedule (along with the accepted talks) will be > announced on 2015-12-18 in the devroom's mailing list and the speakers > will be notified via e-mail. The schedule will also be published on the > FOSDEM web and in the FOSDEM booklet. >=20 > The devroom will take place on Saturday of January 30, 2016 at =E2=80=8BUL= B > Solbosch Campus in Brussels, Belgium[4]. >=20 > About FOSDEM >=20 > FOSDEM is a two-day event organised by volunteers to promote the > widespread use of free and open source software. Taking place in the > beautiful city of Brussels (Belgium), FOSDEM is widely recognised as the > best such conference in Europe. FOSDEM covers a wide spectrum of free > and open source software projects, and offers a platform for people to > collaborate. To this end, FOSDEM has set up developer rooms (devrooms) > with network/internet connectivity and projectors where teams can meet > and showcase their projects. Devrooms are a place for teams to discuss, > hack and publicly present latest directions, lightning talks, news and > discussions. Besides developer rooms, FOSDEM also offers main tracks, > lightning talks, certification exams and project stands. Every year, > FOSDEM hosts more than 5000 developers at the ULB Solbosch campus. > Participation and attendance is totally free, though the organisers > gratefully accept donations and sponsorship. No registration necessary. >=20 > About the devroom >=20 > Since its inception in 2012 the Microkernel devroom has been part of > each FOSDEM conference. It has become a sort of an institutionalized > tradition since then. To this date over a dozen projects have > participated in one way or another, delivering forty talks and other > contributions in total. The goal of the Microkernel devroom has been to > bring the various projects together and let them share ideas, > cross-pollinate and socialize. Each year the devroom is organized by one > of the projects based on a system of rotating presidency from the pool > of projects that opt in. In 2016 it is HelenOS' turn again. >=20 > Social events >=20 > It has become a tradition that the microkernel projects dine together > somewhere in downtown Brussels after the devroom closes. The year 2016 > will not be any different, so there is going to be a microkernel family > dinner on Saturday night. The exact location and time will be specified > later. Consult the FOSDEM web and other projects for additional social > events such as the famous FOSDEM-organized Friday Beer Event and the > FOSDEM-arranged free sightseeing tours for spouses. >=20 > Important dates >=20 > 2015-10-23 CfP > 2015-12-13 CfP deadline > 2015-12-18 Devroom schedule published, speakers notified > 2016-01-30 Microkernel devroom takes place > 2016-01-30 Microkernel family dinner >=20 > Links >=20 > [1] =E2=80=8Bhttp://fosdem.org/2016 >=20 > [2] =E2=80=8Bhttps://penta.fosdem.org/submission/FOSDEM16 >=20 > [3] =E2=80=8Bhttps://lists.fosdem.org/listinfo/microkernel-devroom >=20 > [4] =E2=80=8Bhttps://fosdem.org/2016/practical/transportation/ >=20 >=20 --Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable



Begin forwarded= message:

From: Jakub Jer= mar <jakub@jermar.eu>
Dat= e: 23 October 2015 at 05:17:03 GMT-7
To: HelenOS development m= ailing list <helenos-deve= l@lists.modry.cz>, genode-main@lists.sourceforge.net, bug-hurd@gnu.org, Julian Stecklina <jsteckli@os.inf.tu-dresden.de>, Bj=C3=B6rn D=C3=B6b= el <doebel@os.inf.tu-dresd= en.de>, sartakov@ksyslabs.or= g, rumpkernel-users@fr= eelists.org, devel@sel4.systems, minix3@googlegroups.comCc: fosdem@lists.fosdem.o= rg, microkernel-= devroom@lists.fosdem.org
Subject: FOSDEM 2016 - Microkernel= devroom CfP
Reply-To: jaku= b@jermar.eu

FOSDEM 2016 - Microkernel devroom
CALL FOR PARTICIPATION<= /span>

The developers of several free and open-sou= rce microkernel-based
operating systems will meet at =E2=80=8B= FOSDEM 2016[1] in Brussels, Belgium and
will share a develop= er room. The devroom is currently looking for
content in the= form of talks and activities related to the area of
microke= rnel-based operating systems. Possible topics include, but are
not limited to:

* project introductory a= nd status update talks, demos
* architecture, subsystem and c= omponents' design
* hardware and device drivers
* tools, languages and toolchains
* development, debuggi= ng, testing and release engineering
* best practices and lea= rning from mistakes
* trends and challenges
= * community and life with a microkernel project

<= span>Please use the =E2=80=8BPentabarf[2] system to submit your proposals. Y= ou do not
need to create a new account if you already have o= ne. When in doubt,
please use the =E2=80=8Bdevroom mailing l= ist[3]. The deadline for your CfP
submissions is on 2015-12-= 13. Make sure to include the following in your
proposal:

* title of your talk
* abstrac= t (one or two paragraphs)
* your full name
*= your short bio
* a picture of yourself
* du= ration of your talk

The official devroom sc= hedule (along with the accepted talks) will be
announced on 2= 015-12-18 in the devroom's mailing list and the speakers
wil= l be notified via e-mail. The schedule will also be published on the<= br>FOSDEM web and in the FOSDEM booklet.

The devroom will take place on Saturday of January 30, 2016 at =E2=80=8B= ULB
Solbosch Campus in Brussels, Belgium[4].

About FOSDEM

FOSDEM is a t= wo-day event organised by volunteers to promote the
widespre= ad use of free and open source software. Taking place in the
beautiful city of Brussels (Belgium), FOSDEM is widely recognised as the
best such conference in Europe. FOSDEM covers a wide spectrum o= f free
and open source software projects, and offers a platf= orm for people to
collaborate. To this end, FOSDEM has set u= p developer rooms (devrooms)
with network/internet connectiv= ity and projectors where teams can meet
and showcase their p= rojects. Devrooms are a place for teams to discuss,
hack and= publicly present latest directions, lightning talks, news and
discussions. Besides developer rooms, FOSDEM also offers main tracks,
lightning talks, certification exams and project stands. Every y= ear,
FOSDEM hosts more than 5000 developers at the ULB Solbo= sch campus.
Participation and attendance is totally free, th= ough the organisers
gratefully accept donations and sponsors= hip. No registration necessary.

About the d= evroom

Since its inception in 2012 the Micr= okernel devroom has been part of
each FOSDEM conference. It h= as become a sort of an institutionalized
tradition since the= n. To this date over a dozen projects have
participated in o= ne way or another, delivering forty talks and other
contribu= tions in total. The goal of the Microkernel devroom has been to
bring the various projects together and let them share ideas,
= cross-pollinate and socialize. Each year the devroom is organized by o= ne
of the projects based on a system of rotating presidency f= rom the pool
of projects that opt in. In 2016 it is HelenOS'= turn again.

Social events
=
It has become a tradition that the microkernel projects din= e together
somewhere in downtown Brussels after the devroom c= loses. The year 2016
will not be any different, so there is g= oing to be a microkernel family
dinner on Saturday night. Th= e exact location and time will be specified
later. Consult t= he FOSDEM web and other projects for additional social
event= s such as the famous FOSDEM-organized Friday Beer Event and the
FOSDEM-arranged free sightseeing tours for spouses.

Important dates

2015-10-23 CfP=
2015-12-13 CfP deadline
2015-12-18 Devroom s= chedule published, speakers notified
2016-01-30 Microkernel d= evroom takes place
2016-01-30 Microkernel family dinner

Links

[1] =E2=80= =8Bhttp://fosdem.org/2016
<= span>
[2] =E2=80=8Bhttps://penta.fosdem.org/submission/FOSDEM16
<= span>
[3] =E2=80=8Bhttps://lists.fosdem.org/listinfo/microkernel-devro= om

[4] =E2=80=8Bhttps://fosdem.org/2016/practical/tra= nsportation/


= --Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098-- --===============4544207801704212081== 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 --===============4544207801704212081==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 23 12:20:52 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 12:20:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpbKu-0002IK-U8; Fri, 23 Oct 2015 12:20:44 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpbKt-0002IE-Q9 for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 12:20:44 +0000 Received: from [85.158.137.68] by server-8.bemta-3.messagelabs.com id F6/EE-31069-B162A265; Fri, 23 Oct 2015 12:20:43 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-6.tower-31.messagelabs.com!1445602841!6603149!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_30_40,HTML_MESSAGE, MIME_QP_LONG_LINE,RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 22586 invoked from network); 23 Oct 2015 12:20:41 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-6.tower-31.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 23 Oct 2015 12:20:41 -0000 Received: by bark.recoil.org (OpenSMTPD) with ESMTPSA id 64799102 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO for ; Fri, 23 Oct 2015 13:20:39 +0100 (BST) From: Anil Madhavapeddy Mime-Version: 1.0 (1.0) Message-Id: Date: Fri, 23 Oct 2015 05:20:36 -0700 References: <562A253F.2010207@jermar.eu> To: mirageos-devel@lists.xenproject.org X-Mailer: iPhone Mail (13A452) Subject: [MirageOS-devel] Fwd: FOSDEM 2016 - Microkernel devroom CfP X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============4544207801704212081==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============4544207801704212081== Content-Type: multipart/alternative; boundary=Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098 Content-Transfer-Encoding: 7bit --Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Begin forwarded message: > From: Jakub Jermar > Date: 23 October 2015 at 05:17:03 GMT-7 > To: HelenOS development mailing list , genod= e-main@lists.sourceforge.net, bug-hurd@gnu.org, Julian Stecklina , Bj=C3=B6rn D=C3=B6bel , s= artakov@ksyslabs.org, rumpkernel-users@freelists.org, devel@sel4.systems, mi= nix3@googlegroups.com > Cc: fosdem@lists.fosdem.org, microkernel-devroom@lists.fosdem.org > Subject: FOSDEM 2016 - Microkernel devroom CfP > Reply-To: jakub@jermar.eu >=20 > FOSDEM 2016 - Microkernel devroom > CALL FOR PARTICIPATION >=20 > The developers of several free and open-source microkernel-based > operating systems will meet at =E2=80=8BFOSDEM 2016[1] in Brussels, Belgiu= m and > will share a developer room. The devroom is currently looking for > content in the form of talks and activities related to the area of > microkernel-based operating systems. Possible topics include, but are > not limited to: >=20 > * project introductory and status update talks, demos > * architecture, subsystem and components' design > * hardware and device drivers > * tools, languages and toolchains > * development, debugging, testing and release engineering > * best practices and learning from mistakes > * trends and challenges > * community and life with a microkernel project >=20 > Please use the =E2=80=8BPentabarf[2] system to submit your proposals. You d= o not > need to create a new account if you already have one. When in doubt, > please use the =E2=80=8Bdevroom mailing list[3]. The deadline for your CfP= > submissions is on 2015-12-13. Make sure to include the following in your > proposal: >=20 > * title of your talk > * abstract (one or two paragraphs) > * your full name > * your short bio > * a picture of yourself > * duration of your talk >=20 > The official devroom schedule (along with the accepted talks) will be > announced on 2015-12-18 in the devroom's mailing list and the speakers > will be notified via e-mail. The schedule will also be published on the > FOSDEM web and in the FOSDEM booklet. >=20 > The devroom will take place on Saturday of January 30, 2016 at =E2=80=8BUL= B > Solbosch Campus in Brussels, Belgium[4]. >=20 > About FOSDEM >=20 > FOSDEM is a two-day event organised by volunteers to promote the > widespread use of free and open source software. Taking place in the > beautiful city of Brussels (Belgium), FOSDEM is widely recognised as the > best such conference in Europe. FOSDEM covers a wide spectrum of free > and open source software projects, and offers a platform for people to > collaborate. To this end, FOSDEM has set up developer rooms (devrooms) > with network/internet connectivity and projectors where teams can meet > and showcase their projects. Devrooms are a place for teams to discuss, > hack and publicly present latest directions, lightning talks, news and > discussions. Besides developer rooms, FOSDEM also offers main tracks, > lightning talks, certification exams and project stands. Every year, > FOSDEM hosts more than 5000 developers at the ULB Solbosch campus. > Participation and attendance is totally free, though the organisers > gratefully accept donations and sponsorship. No registration necessary. >=20 > About the devroom >=20 > Since its inception in 2012 the Microkernel devroom has been part of > each FOSDEM conference. It has become a sort of an institutionalized > tradition since then. To this date over a dozen projects have > participated in one way or another, delivering forty talks and other > contributions in total. The goal of the Microkernel devroom has been to > bring the various projects together and let them share ideas, > cross-pollinate and socialize. Each year the devroom is organized by one > of the projects based on a system of rotating presidency from the pool > of projects that opt in. In 2016 it is HelenOS' turn again. >=20 > Social events >=20 > It has become a tradition that the microkernel projects dine together > somewhere in downtown Brussels after the devroom closes. The year 2016 > will not be any different, so there is going to be a microkernel family > dinner on Saturday night. The exact location and time will be specified > later. Consult the FOSDEM web and other projects for additional social > events such as the famous FOSDEM-organized Friday Beer Event and the > FOSDEM-arranged free sightseeing tours for spouses. >=20 > Important dates >=20 > 2015-10-23 CfP > 2015-12-13 CfP deadline > 2015-12-18 Devroom schedule published, speakers notified > 2016-01-30 Microkernel devroom takes place > 2016-01-30 Microkernel family dinner >=20 > Links >=20 > [1] =E2=80=8Bhttp://fosdem.org/2016 >=20 > [2] =E2=80=8Bhttps://penta.fosdem.org/submission/FOSDEM16 >=20 > [3] =E2=80=8Bhttps://lists.fosdem.org/listinfo/microkernel-devroom >=20 > [4] =E2=80=8Bhttps://fosdem.org/2016/practical/transportation/ >=20 >=20 --Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable



Begin forwarded= message:

From: Jakub Jer= mar <jakub@jermar.eu>
Dat= e: 23 October 2015 at 05:17:03 GMT-7
To: HelenOS development m= ailing list <helenos-deve= l@lists.modry.cz>, genode-main@lists.sourceforge.net, bug-hurd@gnu.org, Julian Stecklina <jsteckli@os.inf.tu-dresden.de>, Bj=C3=B6rn D=C3=B6b= el <doebel@os.inf.tu-dresd= en.de>, sartakov@ksyslabs.or= g, rumpkernel-users@fr= eelists.org, devel@sel4.systems, minix3@googlegroups.comCc: fosdem@lists.fosdem.o= rg, microkernel-= devroom@lists.fosdem.org
Subject: FOSDEM 2016 - Microkernel= devroom CfP
Reply-To: jaku= b@jermar.eu

FOSDEM 2016 - Microkernel devroom
CALL FOR PARTICIPATION<= /span>

The developers of several free and open-sou= rce microkernel-based
operating systems will meet at =E2=80=8B= FOSDEM 2016[1] in Brussels, Belgium and
will share a develop= er room. The devroom is currently looking for
content in the= form of talks and activities related to the area of
microke= rnel-based operating systems. Possible topics include, but are
not limited to:

* project introductory a= nd status update talks, demos
* architecture, subsystem and c= omponents' design
* hardware and device drivers
* tools, languages and toolchains
* development, debuggi= ng, testing and release engineering
* best practices and lea= rning from mistakes
* trends and challenges
= * community and life with a microkernel project

<= span>Please use the =E2=80=8BPentabarf[2] system to submit your proposals. Y= ou do not
need to create a new account if you already have o= ne. When in doubt,
please use the =E2=80=8Bdevroom mailing l= ist[3]. The deadline for your CfP
submissions is on 2015-12-= 13. Make sure to include the following in your
proposal:

* title of your talk
* abstrac= t (one or two paragraphs)
* your full name
*= your short bio
* a picture of yourself
* du= ration of your talk

The official devroom sc= hedule (along with the accepted talks) will be
announced on 2= 015-12-18 in the devroom's mailing list and the speakers
wil= l be notified via e-mail. The schedule will also be published on the<= br>FOSDEM web and in the FOSDEM booklet.

The devroom will take place on Saturday of January 30, 2016 at =E2=80=8B= ULB
Solbosch Campus in Brussels, Belgium[4].

About FOSDEM

FOSDEM is a t= wo-day event organised by volunteers to promote the
widespre= ad use of free and open source software. Taking place in the
beautiful city of Brussels (Belgium), FOSDEM is widely recognised as the
best such conference in Europe. FOSDEM covers a wide spectrum o= f free
and open source software projects, and offers a platf= orm for people to
collaborate. To this end, FOSDEM has set u= p developer rooms (devrooms)
with network/internet connectiv= ity and projectors where teams can meet
and showcase their p= rojects. Devrooms are a place for teams to discuss,
hack and= publicly present latest directions, lightning talks, news and
discussions. Besides developer rooms, FOSDEM also offers main tracks,
lightning talks, certification exams and project stands. Every y= ear,
FOSDEM hosts more than 5000 developers at the ULB Solbo= sch campus.
Participation and attendance is totally free, th= ough the organisers
gratefully accept donations and sponsors= hip. No registration necessary.

About the d= evroom

Since its inception in 2012 the Micr= okernel devroom has been part of
each FOSDEM conference. It h= as become a sort of an institutionalized
tradition since the= n. To this date over a dozen projects have
participated in o= ne way or another, delivering forty talks and other
contribu= tions in total. The goal of the Microkernel devroom has been to
bring the various projects together and let them share ideas,
= cross-pollinate and socialize. Each year the devroom is organized by o= ne
of the projects based on a system of rotating presidency f= rom the pool
of projects that opt in. In 2016 it is HelenOS'= turn again.

Social events
=
It has become a tradition that the microkernel projects din= e together
somewhere in downtown Brussels after the devroom c= loses. The year 2016
will not be any different, so there is g= oing to be a microkernel family
dinner on Saturday night. Th= e exact location and time will be specified
later. Consult t= he FOSDEM web and other projects for additional social
event= s such as the famous FOSDEM-organized Friday Beer Event and the
FOSDEM-arranged free sightseeing tours for spouses.

Important dates

2015-10-23 CfP=
2015-12-13 CfP deadline
2015-12-18 Devroom s= chedule published, speakers notified
2016-01-30 Microkernel d= evroom takes place
2016-01-30 Microkernel family dinner

Links

[1] =E2=80= =8Bhttp://fosdem.org/2016
<= span>
[2] =E2=80=8Bhttps://penta.fosdem.org/submission/FOSDEM16
<= span>
[3] =E2=80=8Bhttps://lists.fosdem.org/listinfo/microkernel-devro= om

[4] =E2=80=8Bhttps://fosdem.org/2016/practical/tra= nsportation/


= --Apple-Mail-A76DBCD8-A3CA-4837-8263-A7F46A55C098-- --===============4544207801704212081== 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 --===============4544207801704212081==-- From mirageos-devel-bounces@lists.xenproject.org Fri Oct 23 12:51:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 12:51:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zpbor-0005ce-NF; Fri, 23 Oct 2015 12:51:41 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zpboq-0005cP-Nr for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 12:51:40 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id 4E/9C-16870-C5D2A265; Fri, 23 Oct 2015 12:51:40 +0000 X-Env-Sender: drupyog+caml@zoho.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1445604697!20252930!1 X-Originating-IP: [74.201.84.153] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9264 invoked from network); 23 Oct 2015 12:51:39 -0000 Received: from sender153-mail.zoho.com (HELO sender153-mail.zoho.com) (74.201.84.153) by server-7.tower-206.messagelabs.com with AES128-SHA encrypted SMTP; 23 Oct 2015 12:51:39 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=from:subject:to:references:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=XgfW31m+FdVAjwsq40BtW3FIHv2lKNzAHmj/d6ppDt4bmvkTi5hxwq2/rL+uvU14WjCBhsldEB/j YxqokhxECE/Cv8GtWFQPhIPEpzRXh3Tr63TFtneGOFa2Ulcrrq/4 Received: from [192.168.1.100] (perens.inria.fr [128.93.60.79]) by mx.zohomail.com with SMTPS id 144560469617666.17519904683752; Fri, 23 Oct 2015 05:51:36 -0700 (PDT) From: Drup To: =?UTF-8?Q?Daniel_B=c3=bcnzli?= , mirageos-devel@lists.xenproject.org References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> Message-ID: <562A2D24.6060909@zoho.com> Date: Fri, 23 Oct 2015 14:50:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <5176CE5E309344F1A662892195EFAF83@erratique.ch> Content-Length: 1379 Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.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: quoted-printable Content-Type: text/plain; charset="windows-1252"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I globally like the API (it's similar to Lwt_log, which I already quite = liked). However I have trouble understand what is the intended use case for = tags, and in particular why they are parametrized. It doesn't seem to be = possible to filter by tag in a programmatic way. Le 23/10/2015 03:18, Daniel B=FCnzli a =E9crit : > Ok so here's something: > > http://erratique.ch/software/logs > http://erratique.ch/software/logs/doc/ > > Given that it's clearly superior from a disabled logging performance poin= t of view, Logs uses Dr. Yallop's formatting continuation technique. Thanks= also to Gabriel R. for making further convincing tests on this with flambd= a. > > I refrained of introducing timestamps or sequence numbers in the API to a= void introducing unwanted deps. I think these things can perfectly be handl= ed at the reporter level. > > Don't use the error result value loggers for now they will change. > > Feedback welcome here or on the issue tracker. > > Best, > > Daniel > > > > _______________________________________________ > 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 Oct 23 12:51:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 12:51:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zpbor-0005ce-NF; Fri, 23 Oct 2015 12:51:41 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zpboq-0005cP-Nr for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 12:51:40 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id 4E/9C-16870-C5D2A265; Fri, 23 Oct 2015 12:51:40 +0000 X-Env-Sender: drupyog+caml@zoho.com X-Msg-Ref: server-7.tower-206.messagelabs.com!1445604697!20252930!1 X-Originating-IP: [74.201.84.153] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9264 invoked from network); 23 Oct 2015 12:51:39 -0000 Received: from sender153-mail.zoho.com (HELO sender153-mail.zoho.com) (74.201.84.153) by server-7.tower-206.messagelabs.com with AES128-SHA encrypted SMTP; 23 Oct 2015 12:51:39 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=zapps768; d=zoho.com; h=from:subject:to:references:message-id:date:user-agent:mime-version:in-reply-to:content-type; b=XgfW31m+FdVAjwsq40BtW3FIHv2lKNzAHmj/d6ppDt4bmvkTi5hxwq2/rL+uvU14WjCBhsldEB/j YxqokhxECE/Cv8GtWFQPhIPEpzRXh3Tr63TFtneGOFa2Ulcrrq/4 Received: from [192.168.1.100] (perens.inria.fr [128.93.60.79]) by mx.zohomail.com with SMTPS id 144560469617666.17519904683752; Fri, 23 Oct 2015 05:51:36 -0700 (PDT) From: Drup To: =?UTF-8?Q?Daniel_B=c3=bcnzli?= , mirageos-devel@lists.xenproject.org References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> Message-ID: <562A2D24.6060909@zoho.com> Date: Fri, 23 Oct 2015 14:50:44 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <5176CE5E309344F1A662892195EFAF83@erratique.ch> Content-Length: 1379 Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.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: quoted-printable Content-Type: text/plain; charset="windows-1252"; Format="flowed" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org I globally like the API (it's similar to Lwt_log, which I already quite = liked). However I have trouble understand what is the intended use case for = tags, and in particular why they are parametrized. It doesn't seem to be = possible to filter by tag in a programmatic way. Le 23/10/2015 03:18, Daniel B=FCnzli a =E9crit : > Ok so here's something: > > http://erratique.ch/software/logs > http://erratique.ch/software/logs/doc/ > > Given that it's clearly superior from a disabled logging performance poin= t of view, Logs uses Dr. Yallop's formatting continuation technique. Thanks= also to Gabriel R. for making further convincing tests on this with flambd= a. > > I refrained of introducing timestamps or sequence numbers in the API to a= void introducing unwanted deps. I think these things can perfectly be handl= ed at the reporter level. > > Don't use the error result value loggers for now they will change. > > Feedback welcome here or on the issue tracker. > > Best, > > Daniel > > > > _______________________________________________ > 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 Oct 23 13:26:48 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 13:26:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpcMi-0002jA-Uv; Fri, 23 Oct 2015 13:26:40 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZpcMh-0002iF-NK for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 13:26:39 +0000 Received: from [85.158.139.211] by server-7.bemta-5.messagelabs.com id BC/EE-13905-F853A265; Fri, 23 Oct 2015 13:26:39 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-8.tower-206.messagelabs.com!1445606798!44605999!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 11323 invoked from network); 23 Oct 2015 13:26:38 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-8.tower-206.messagelabs.com with SMTP; 23 Oct 2015 13:26:38 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id D6C1D2084A26; Fri, 23 Oct 2015 13:26:36 +0000 (UTC) Date: Fri, 23 Oct 2015 14:26:34 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Drup Message-ID: <8D1F6B357A93487E81230E17AC94AA4C@erratique.ch> In-Reply-To: <562A2CBD.5010504@zoho.com> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <562A2CBD.5010504@zoho.com> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-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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Fri, 23 Oct 2015 13:26:36 +0000 (UTC) Date: Fri, 23 Oct 2015 14:26:34 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Drup Message-ID: <8D1F6B357A93487E81230E17AC94AA4C@erratique.ch> In-Reply-To: <562A2CBD.5010504@zoho.com> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <562A2CBD.5010504@zoho.com> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgdmVuZHJlZGksIDIzIG9jdG9icmUgMjAxNSDDoCAxMzo0OSwgRHJ1cCBhIMOpY3JpdCA6Cj4g SG93ZXZlciBJIGhhdmUgdHJvdWJsZSB1bmRlcnN0YW5kIHdoYXQgaXMgdGhlIGludGVuZGVkIHVz ZSBjYXNlIGZvcgo+IHRhZ3MsIGFuZCBpbiBwYXJ0aWN1bGFyIHdoeSB0aGV5IGFyZSBwYXJhbWV0 cml6ZWQuICAKCk1heWJlIGl0J3Mgb3ZlciBlbmdpbmVlcmluZyBhdCB3b3JrOyBJIG5ldmVyIHVz ZWQgdGhhdCBwZXJzb25hbGx5IGZvciBub3cuCgpUaGVyZSBhcmUgdHdvIGludGVuZGVkIHVzZSBj YXNlczoKCjEpIElmIGxpYnJhcmllcyBzaGFyZSB0YWcgZGVmaW5pdGlvbnMgaXQgY2FuIGJlIHVz ZWQgYXMgYSwgY3Jvc3Mtc291cmNlLCBjcm9zcy1sZXZlbCwgbWVzc2FnZSBmaWx0ZXJpbmcgbWVj aGFuaXNtIGZvciBVSXMuCjIpIEF0dGFjaCB0eXBlZCBkaWFnbm9zdGljcyBpbmZvcm1hdGlvbiB0 byBsb2cgbWVzc2FnZXMgKGUuZy4gYSBzdGFjayB0cmFjZSwgYSBmYXVsdHkgcGFja2V0LCBldGMu KS4gSWYgYSBsaWJyYXJ5IHNoYXJlcyBpdHMgdGFnIGRlZmluaXRpb25zIGl0IGFsbG93cyB0byBi dWlsZCByZXBvcnRlcnMgYW5kIFVJcyB0aGF0IGNhbiBwcm9jZXNzIHRoaXMgaW5mb3JtYXRpb24g d2l0aG91dCBiZWluZyBsaW1pdGVkIGJ5IGEgZHVsbCBhbmQgaW5jb252ZW5pZW50IGJ5dGUgcmVw cmVzZW50YXRpb24uCgo+IEl0IGRvZXNuJ3Qgc2VlbSB0byBiZSBwb3NzaWJsZSB0byBmaWx0ZXIg YnkgdGFnIGluIGEgcHJvZ3JhbW1hdGljIHdheS4KSSBndWVzcyB5b3UgbWVhbiBpbiB0aGUgY3Vy cmVudCBkZWZhdWx0IHJlcG9ydGVycywgeW91IGFyZSByaWdodC4gRm9yIG5vdyB0aGV5IGFyZSBu b3QgZXZlbiBwcmludGVkIGJ5IHRoZW0gKG5vdCBzdXJlIGlmIHRoZXkgc2hvdWxkIG9waW5pb25z IHdlbGNvbWUgb24gaXNzdWUgIzIpLiBCdXQgdGhlIFRhZyBtb2R1bGUgZG9lcyBoYXZlIHRoZSBm dW5jdGlvbnMgdGhhdCBhbGxvdyB5b3UgdG8gZG8gdGhpcyBpZiB5b3Ugd3JpdGUgeW91ciBvd24g cmVwb3J0ZXIuICAKCkJlc3QsICAKCkRhbmllbAoKCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGluZyBsaXN0Ck1pcmFn ZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9y Zy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Fri Oct 23 19:24:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 19:24:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zphwv-0003Gz-Qf; Fri, 23 Oct 2015 19:24:25 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zphwv-0003Gu-7F for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 19:24:25 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id C5/BA-01753-8698A265; Fri, 23 Oct 2015 19:24:24 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1445628263!56217608!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 452 invoked from network); 23 Oct 2015 19:24:23 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-10.tower-31.messagelabs.com with SMTP; 23 Oct 2015 19:24:23 -0000 Received: from [172.27.13.136] (172.27.13.136) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 23 Oct 2015 15:24:03 -0400 To: Anil Madhavapeddy References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> <561555A2.70400@dornerworks.com> <6125D704-69D7-460E-B17B-68A1BF57F91C@recoil.org> From: Paul Skentzos Message-ID: <562A895E.4060302@dornerworks.com> Date: Fri, 23 Oct 2015 15:24:14 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <6125D704-69D7-460E-B17B-68A1BF57F91C@recoil.org> X-Originating-IP: [172.27.13.136] Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 10/20/2015 1:52 PM, Anil Madhavapeddy wrote: > >> On 7 Oct 2015, at 18:25, Paul Skentzos wrote: >> >> Anil, >> >> On 10/7/2015 12:36 PM, Anil Madhavapeddy wrote: >>> On 7 Oct 2015, at 15:53, Paul Skentzos wrote: >>>> >>>> Hi Luke, >>>> >>>> On 10/7/2015 10:15 AM, Luke Dunstan wrote: >>>>> Hi Paul, >>>>> >>>>> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >>>>> quite a while to discover that Xen normally disables the A20 UARTs by deleting >>>>> them from the device tree: >>>>> >>>>> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >>>>> >>>>> Luke >>>>> >>>> >>>> Yes, we do have this working. It was a bit of an annoyance that we discovered >>>> just as you did when starting to work on the Cubietruck. >>>> >>>> We found that all serial ports with the "snps,dw-apb-uart" driver are >>>> blacklisted on the "sunxi" platform to prevent dom0 from having driver access to >>>> the Xen console. So we hacked up the attached patch. Which is not an ideal >>>> fix, but it was good enough for now. >>>> >>>> The better fix would be to have Xen compare the memory address for every item in >>>> the device tree against the addresses that Xen has already reserved for itself. >>> >>> We could apply this patch to the https://github.com/mirage/xen-arm-builder >>> distribution, which is only really used to boot on Cubieboards at the moment. >>> It's nice to have the out-of-the-box experience just work for that distribution. >>> >>> -anil >>> >>> >> >> I agree! >> >> Would you apply the patch as is or would you like us to formally submit the >> patch through the mailing list? > > Hi Paul, > > The best way to get the patch into the repository is by submitting a GitHub Pull Request. This ensures that the provenance of the patch is tracked correctly as coming from you in the history (we can do this via the mailing list as well, but the web interface is easier). > > The relevant scripts in there that clone and build xen are in https://github.com/mirage/xen-arm-builder in the clone-repos.sh script and then build-xen.sh. You can either apply the patch above in this repo directly if you wish. > > Let me know if you have any questions about the GitHub PR process. > > regards, > Anil > Anil, We've sent a pull request to the https://github.com/mirage/xen-arm-builder repo from https://github.com/dornerworks/xen-arm-builder. Let us know if things look OK and if there is anything else we need to do to close it out from our end. Thanks for the guidance! Paul _______________________________________________ MirageOS-devel 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 Oct 23 19:24:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Fri, 23 Oct 2015 19:24:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zphwv-0003Gz-Qf; Fri, 23 Oct 2015 19:24:25 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zphwv-0003Gu-7F for mirageos-devel@lists.xenproject.org; Fri, 23 Oct 2015 19:24:25 +0000 Received: from [85.158.137.68] by server-3.bemta-3.messagelabs.com id C5/BA-01753-8698A265; Fri, 23 Oct 2015 19:24:24 +0000 X-Env-Sender: Paul.Skentzos@dornerworks.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1445628263!56217608!1 X-Originating-IP: [12.207.209.148] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 452 invoked from network); 23 Oct 2015 19:24:23 -0000 Received: from unknown (HELO mail.dornerworks.com) (12.207.209.148) by server-10.tower-31.messagelabs.com with SMTP; 23 Oct 2015 19:24:23 -0000 Received: from [172.27.13.136] (172.27.13.136) by mail.dornerworks.com (172.27.1.90) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 23 Oct 2015 15:24:03 -0400 To: Anil Madhavapeddy References: <561420AC.6050504@dornerworks.com> <5615175F.2080203@dornerworks.com> <56153200.4020203@dornerworks.com> <561555A2.70400@dornerworks.com> <6125D704-69D7-460E-B17B-68A1BF57F91C@recoil.org> From: Paul Skentzos Message-ID: <562A895E.4060302@dornerworks.com> Date: Fri, 23 Oct 2015 15:24:14 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <6125D704-69D7-460E-B17B-68A1BF57F91C@recoil.org> X-Originating-IP: [172.27.13.136] Cc: Josh.Whitehead@dornerworks.com, "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Writing to Multiple Serial Ports X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 10/20/2015 1:52 PM, Anil Madhavapeddy wrote: > >> On 7 Oct 2015, at 18:25, Paul Skentzos wrote: >> >> Anil, >> >> On 10/7/2015 12:36 PM, Anil Madhavapeddy wrote: >>> On 7 Oct 2015, at 15:53, Paul Skentzos wrote: >>>> >>>> Hi Luke, >>>> >>>> On 10/7/2015 10:15 AM, Luke Dunstan wrote: >>>>> Hi Paul, >>>>> >>>>> Did you get serial ports working even in dom0 on Cubietruck yet? It took me >>>>> quite a while to discover that Xen normally disables the A20 UARTs by deleting >>>>> them from the device tree: >>>>> >>>>> http://xenbits.xen.org/gitweb/?p=xen.git;a=blob;f=xen/arch/arm/platforms/sunxi.c;h=0ba7b3d9b476a95edb653e120b7b3900a47f7c06;hb=HEAD#l64 >>>>> >>>>> Luke >>>>> >>>> >>>> Yes, we do have this working. It was a bit of an annoyance that we discovered >>>> just as you did when starting to work on the Cubietruck. >>>> >>>> We found that all serial ports with the "snps,dw-apb-uart" driver are >>>> blacklisted on the "sunxi" platform to prevent dom0 from having driver access to >>>> the Xen console. So we hacked up the attached patch. Which is not an ideal >>>> fix, but it was good enough for now. >>>> >>>> The better fix would be to have Xen compare the memory address for every item in >>>> the device tree against the addresses that Xen has already reserved for itself. >>> >>> We could apply this patch to the https://github.com/mirage/xen-arm-builder >>> distribution, which is only really used to boot on Cubieboards at the moment. >>> It's nice to have the out-of-the-box experience just work for that distribution. >>> >>> -anil >>> >>> >> >> I agree! >> >> Would you apply the patch as is or would you like us to formally submit the >> patch through the mailing list? > > Hi Paul, > > The best way to get the patch into the repository is by submitting a GitHub Pull Request. This ensures that the provenance of the patch is tracked correctly as coming from you in the history (we can do this via the mailing list as well, but the web interface is easier). > > The relevant scripts in there that clone and build xen are in https://github.com/mirage/xen-arm-builder in the clone-repos.sh script and then build-xen.sh. You can either apply the patch above in this repo directly if you wish. > > Let me know if you have any questions about the GitHub PR process. > > regards, > Anil > Anil, We've sent a pull request to the https://github.com/mirage/xen-arm-builder repo from https://github.com/dornerworks/xen-arm-builder. Let us know if things look OK and if there is anything else we need to do to close it out from our end. Thanks for the guidance! Paul _______________________________________________ MirageOS-devel 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 Oct 24 14:55:19 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 24 Oct 2015 14:55:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zq0Dv-0004hT-1M; Sat, 24 Oct 2015 14:55:11 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zq0Du-0004hM-1Q for mirageos-devel@lists.xenproject.org; Sat, 24 Oct 2015 14:55:10 +0000 Received: from [193.109.254.147] by server-16.bemta-14.messagelabs.com id 63/60-05427-DCB9B265; Sat, 24 Oct 2015 14:55:09 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-9.tower-27.messagelabs.com!1445698508!61151394!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 27815 invoked from network); 24 Oct 2015 14:55:08 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-9.tower-27.messagelabs.com with SMTP; 24 Oct 2015 14:55:08 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id D9446207966A; Sat, 24 Oct 2015 14:55:06 +0000 (UTC) Date: Sat, 24 Oct 2015 15:55:04 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Spiros Eliopoulos Message-ID: <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-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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Sat, 24 Oct 2015 14:55:06 +0000 (UTC) Date: Sat, 24 Oct 2015 15:55:04 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Spiros Eliopoulos Message-ID: <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Disposition: inline Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 ClNwaXJvcyBzZW50IHRoaXMuIEkgcmVzcG9uZCBvbiB0aGUgbGlzdCBJIGhvcGUgaGUgZG9lc24n dCBtaW5kLiBNeSByZXNwb25zZSBpcyBiZWxvdyBoaXMgbWVzc2FnZS4gIAoKCkxlIHNhbWVkaSwg MjQgb2N0b2JyZSAyMDE1IMOgIDE0OjQ1LCBTcGlyb3MgRWxpb3BvdWxvcyBhIMOpY3JpdCA6Cgo+ ID4gMSkgbm9wIHJlcG9ydGVyIChkbyBhYnNvbHV0ZWx5IG5vdGhpbmcpCj4gPiAyKSBzdGRlcnIg cmVwb3J0ZXIgKHZvbWl0cyBvbiBzdGRlcnIpCj4gPiAzKSBpbnZhbGlkIHJlcG9ydGVyICh0aHJv d3MgaW4geW91ciBmYWNlKQo+ICAKPiBJdCBzaG91bGQgYmUgIzIuIElkZWFsbHksIGFkZGluZyBs b2dnaW5nIHRvIGEgcHJvZ3JhbSB3b3VsZCBub3QgY2hhbmdlIGl0cyBiZWhhdmlvciBhdCBhbGwu IE9idmlvdXNseSBub3QgdGhlIGNhc2UgaW4gcHJhY3RpY2UgYnV0IHRoYXQncyB0aGUgZ29hbC4g QWRkaW5nIGEgbG9nZ2luZyBkZXBlbmRlbmN5IGFuZCAoZm9yIGV4YW1wbGUpIGxvZ2dpbmcgdGhl IGZhY3QgdGhhdCBhIHByb2dyYW0gc3RhcnRlZCBzaG91bGQgc3RpbGwgcnVuIHRoZSBwcm9ncmFt LiBBZGRpbmcgYSBsaWJyYXJ5IGRlcGVuZGVuY3kgdGhhdCBpbmNsdWRlcyB1bmNvbmZpZ3VyZWQg bG9nZ2dpbmcgY2FsbHMgc2hvdWxkIGFsc28gc3RpbGwgcnVuIHRoZSBwcm9ncmFtLiBUaHJvd2lu ZyBhbiBleGNlcHRpb24gaXMgYWJvdXQgYXMgYmlnIG9mIGEgZGV2aWF0aW9uIGZyb20gbm9ybWFs IHByb2dyYW0gYmVoYXZpb3IgdGhhdCB5b3UgY2FuIGdldC4gSXQgc2hvdWxkIG5vdCBiZSAjMy4K PiAgCj4gV2hpbGUgdW5tb2RpZmllZCBwcm9ncmFtIGJlaGF2aW9yIGlzIHRoZSBnb2FsLCB0aGF0 J3Mgb2YgY291cnNlIG5vdCBmZWFzaWJsZSBpbiBwcmFjdGljZSBmb3IgdGhlIHZlcnkgcmVhc29u IHRoYXQgbG9nZ2luZyBtb2RpZmllcyB0aGUgcHJvZ3JhbS4gSXQgYWRkcyBuZXcgbGluZXMgb2Yg Y29kZSB3aGljaCBhZGRzIG5ldyBjb21wdXRhdGlvbiwgYmUgaXQganVzdCBOT09QIGZ1bmN0aW9u IGNhbGxzLiBNb3JlIGltcG9ydGFudGx5IHRob3VnaCwgdGhlIGFkZGl0aW9uIG9mIGxvZ2dpbmcg Y2FsbHMgaXMgYW4gYXR0ZW1wdCB0byBjb2xsZWN0IGRpYWdub3N0aWMgYW5kIHByb2dyZXNzIGlu Zm9ybWF0aW9uIGJ5IHRoZSBwcm9ncmFtbWVyLCBhbmQgcmVwb3J0IGl0IHRvIHRoZSB1c2VyLiBU aGVpciB2ZXJ5IHByZXNlbmNlIHN1Z2dlc3RzIHRoYXQgdGhleSdyZSBpbXBvcnRhbnQsIHNvIHRo ZSBpbmZvcm1hdGlvbiB0aGV5IGNvbGxlY3Qgc2hvdWxkIG5vdCBiZSBkaXNjYXJkZWQgdW5sZXNz IHRoZXJlIGlzIGFuIGV4cGxpY2l0IHJlcXVlc3QgdG8gZG8gc28uIEl0IHNob3VsZCBub3QgYmUg IzEuCj4gIAo+IFN0ZGVyciB3YXMgcXVpdGUgbGl0ZXJhbGx5IGludmVudGVkIGZvciByZXBvcnRp bmcgZXJyb3JzIGFuZCBkaWFnbm9zdGljIGluZm9ybWF0aW9uIHdpdGhvdXQgY2x1dHRlcmluZyBz dGRvdXRbMF0uIEl0IHNob3VsZCBiZSAjMi4KPiAgCj4gLVNwaXJvcyBFLgo+ICAKPiBbMF06IGh0 dHA6Ly93d3cuc3BpbmVsbGlzLmdyL2Jsb2cvMjAxMzEyMTEvCgpJIGRpc2FncmVlIHRoYXQgImlk ZWFsbHkgYWRkaW5nIGxvZ2dpbmcgdG8gYSBwcm9ncmFtIHdvdWxkIG5vdCBjaGFuZ2UgaXRzIGJl aGF2aW91ciBhdCBhbGwiLiBJIHRoaW5rIHlvdSBhcmUgbWl4aW5nIHByb2dyYW0gaW5zdHJ1bWVu dGF0aW9uIGFuZCBsb2dnaW5nLiBMb2dnaW5nIGJ5IHN1bW1hcml6aW5nIGNvbXB1dGF0aW9uIGlz IGEgY3JlYXRpdmUgYWN0IGFuZCBoYXMgYW4gZWZmZWN0IG9uIHRoZSBwcm9ncmFtIG91dHB1dCB0 aGF0IGNhbm5vdCBiZSBpZ25vcmVkOyBpbiBhbiBpbnRlcmFjdGl2ZSBwcm9ncmFtIGl0IG1heSBl dmVuIHRyaWdnZXIgYSBmZWVkYmFjayBjb21tYW5kIGZyb20gdGhlIHVzZXIgdG8gdGhlIHByb2dy YW0gc28gZm9yIG1lIGxvZ2dpbmcgKmhhcyogdG8gcGFydCBvZiB0aGUgcHJvZ3JhbSBiZWhhdmlv dXIuIFdoaWNoIGludmFsaWRhdGVzIGZvciBtZSB5b3VyIGFyZ3VtZW50IHRoYXQgaXQgc2hvdWxk IG5vdCBiZSAzKS4gIAoKTXkgY29uY2VybiB3aXRoIDIpIGlzIHRoYXQncyBpdCBpcyBlcXVpdmFs ZW50IHRvIGVpdGhlciAxKSBvciAzKSB3aGVuIHRoZSBjb25jZXB0IGRvZXNuJ3QgZXhpc3QgKGUu Zy4gb24gYmFyZSBtZXRhbCkgYW5kIEkgcHJlZmVyIGNvbnNpc3RlbnQgYW5kIHZpc2libGUgYmVo YXZpb3VyIHJlZ2FyZGxlc3Mgb2YgY29udGV4dDsgdGhpcyBpcyB3aHkgSSBsZWFuIHRvd2FyZHMg MykuCgpCZXN0LCAgCgpEYW5pZWwKCiAgIAoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpNaXJhZ2VPUy1kZXZlbCBtYWlsaW5nIGxpc3QKTWlyYWdlT1Mt ZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cDovL2xpc3RzLnhlbnByb2plY3Qub3JnL2Nn aS1iaW4vbWFpbG1hbi9saXN0aW5mby9taXJhZ2Vvcy1kZXZlbAo= From mirageos-devel-bounces@lists.xenproject.org Sat Oct 24 15:01:19 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 24 Oct 2015 15:01:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zq0Jq-0005L7-Hy; 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Sat, 24 Oct 2015 08:01:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=JOEigEBPth47ii1gPX5Li3oN1IaJ3HuN5io2UCdZ3KU=; b=laxz7LL+0YcPggpFSsGqy7UTWik7M7fgGQU5FoTvnD++M+SCs+pB5wLYvznyUoH6bz 3lmHSXdoHoMGcPFjOJKvQ2kG/T/LaHB6DZT7l9IYKArMWMJ170//Lh3YeEgk/6SOUAj/ yR5pubCAxmMkrG4UDcWxlvd4OeyKddxE/JbovT1jtgMNbO9aUTiRppY+sr9xuo+KAgyO JeBXAhF4PhhTJAQHLaeEa4Wh+sglW3oB0wDWEZzX9EaWLqKT3U4t4sjhqlUPIDt0lzTu WBNzvAmuzbkKTiwdKsAyjdS5iVr9qWykNVJ/ehCJ8yX/FP3u9OQa0JhEus6cnhhmKav9 xZVg== X-Received: by 10.112.168.228 with SMTP id zz4mr13681918lbb.73.1445698874139; Sat, 24 Oct 2015 08:01:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.25.213.2 with HTTP; Sat, 24 Oct 2015 08:00:54 -0700 (PDT) In-Reply-To: <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> From: Spiros Eliopoulos Date: Sat, 24 Oct 2015 11:00:54 -0400 Message-ID: To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============2721739036720634370==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2721739036720634370== Content-Type: multipart/alternative; boundary=001a11c237f0d86b850522daff86 --001a11c237f0d86b850522daff86 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Very sorry, I meant to send that to the list as well. -Spiros E. On Sat, Oct 24, 2015 at 10:55 AM, Daniel B=C3=BCnzli wrote: > > Spiros sent this. I respond on the list I hope he doesn't mind. My > response is below his message. > > > Le samedi, 24 octobre 2015 =C3=A0 14:45, Spiros Eliopoulos a =C3=A9crit : > > > > 1) nop reporter (do absolutely nothing) > > > 2) stderr reporter (vomits on stderr) > > > 3) invalid reporter (throws in your face) > > > > It should be #2. Ideally, adding logging to a program would not change > its behavior at all. Obviously not the case in practice but that's the > goal. Adding a logging dependency and (for example) logging the fact that= a > program started should still run the program. Adding a library dependency > that includes unconfigured loggging calls should also still run the > program. Throwing an exception is about as big of a deviation from normal > program behavior that you can get. It should not be #3. > > > > While unmodified program behavior is the goal, that's of course not > feasible in practice for the very reason that logging modifies the progra= m. > It adds new lines of code which adds new computation, be it just NOOP > function calls. More importantly though, the addition of logging calls is > an attempt to collect diagnostic and progress information by the > programmer, and report it to the user. Their very presence suggests that > they're important, so the information they collect should not be discarde= d > unless there is an explicit request to do so. It should not be #1. > > > > Stderr was quite literally invented for reporting errors and diagnostic > information without cluttering stdout[0]. It should be #2. > > > > -Spiros E. > > > > [0]: http://www.spinellis.gr/blog/20131211/ > > I disagree that "ideally adding logging to a program would not change its > behaviour at all". I think you are mixing program instrumentation and > logging. Logging by summarizing computation is a creative act and has an > effect on the program output that cannot be ignored; in an interactive > program it may even trigger a feedback command from the user to the progr= am > so for me logging *has* to part of the program behaviour. Which invalidat= es > for me your argument that it should not be 3). > > My concern with 2) is that's it is equivalent to either 1) or 3) when the > concept doesn't exist (e.g. on bare metal) and I prefer consistent and > visible behaviour regardless of context; this is why I lean towards 3). > > Best, > > Daniel > > > > > --001a11c237f0d86b850522daff86 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Very sorry, I meant to send that to the list as well.
=
-Spiros E.

On Sat, Oct 24, 2015 at 10:55 AM, Daniel B=C3=BCnzli <daniel.buenzli@erratique.ch> wrote:

Spiros sent this. I respond on the list I hope he doesn't mind. My resp= onse is below his message.


Le samedi, 24 octobre 2015 =C3=A0 14:45, Spiros Eliopoulos a =C3=A9crit :
> > 1) nop reporter (do absolutely nothing)
> > 2) stderr reporter (vomits on stderr)
> > 3) invalid reporter (throws in your face)
>
> It should be #2. Ideally, adding logging to a program would not change= its behavior at all. Obviously not the case in practice but that's the= goal. Adding a logging dependency and (for example) logging the fact that = a program started should still run the program. Adding a library dependency= that includes unconfigured loggging calls should also still run the progra= m. Throwing an exception is about as big of a deviation from normal program= behavior that you can get. It should not be #3.
>
> While unmodified program behavior is the goal, that's of course no= t feasible in practice for the very reason that logging modifies the progra= m. It adds new lines of code which adds new computation, be it just NOOP fu= nction calls. More importantly though, the addition of logging calls is an = attempt to collect diagnostic and progress information by the programmer, a= nd report it to the user. Their very presence suggests that they're imp= ortant, so the information they collect should not be discarded unless ther= e is an explicit request to do so. It should not be #1.
>
> Stderr was quite literally invented for reporting errors and diagnosti= c information without cluttering stdout[0]. It should be #2.
>
> -Spiros E.
>
> [0]: http://www.spinellis.gr/blog/20131211/

I disagree that "ideally adding logging to a program would not = change its behaviour at all". I think you are mixing program instrumen= tation and logging. Logging by summarizing computation is a creative act an= d has an effect on the program output that cannot be ignored; in an interac= tive program it may even trigger a feedback command from the user to the pr= ogram so for me logging *has* to part of the program behaviour. Which inval= idates for me your argument that it should not be 3).

My concern with 2) is that's it is equivalent to either 1) or 3) when t= he concept doesn't exist (e.g. on bare metal) and I prefer consistent a= nd visible behaviour regardless of context; this is why I lean towards 3).<= br>
Best,

Daniel





--001a11c237f0d86b850522daff86-- --===============2721739036720634370== 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 --===============2721739036720634370==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 24 15:01:19 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 24 Oct 2015 15:01:19 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zq0Jq-0005L7-Hy; Sat, 24 Oct 2015 15:01:18 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zq0Jp-0005L2-A3 for mirageos-devel@lists.xenproject.org; Sat, 24 Oct 2015 15:01:17 +0000 Received: from [193.109.254.147] by server-14.bemta-14.messagelabs.com id B1/01-04752-C3D9B265; Sat, 24 Oct 2015 15:01:16 +0000 X-Env-Sender: seliopou@gmail.com X-Msg-Ref: server-16.tower-27.messagelabs.com!1445698874!28824635!1 X-Originating-IP: [209.85.215.49] X-SpamReason: No, hits=1.7 required=7.0 tests=BODY_RANDOM_LONG, HTML_20_30,HTML_MESSAGE,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 29414 invoked from network); 24 Oct 2015 15:01:14 -0000 Received: from mail-lf0-f49.google.com (HELO mail-lf0-f49.google.com) (209.85.215.49) by server-16.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 24 Oct 2015 15:01:14 -0000 Received: by lffz202 with SMTP id z202so110013383lff.3 for ; Sat, 24 Oct 2015 08:01:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=JOEigEBPth47ii1gPX5Li3oN1IaJ3HuN5io2UCdZ3KU=; b=laxz7LL+0YcPggpFSsGqy7UTWik7M7fgGQU5FoTvnD++M+SCs+pB5wLYvznyUoH6bz 3lmHSXdoHoMGcPFjOJKvQ2kG/T/LaHB6DZT7l9IYKArMWMJ170//Lh3YeEgk/6SOUAj/ yR5pubCAxmMkrG4UDcWxlvd4OeyKddxE/JbovT1jtgMNbO9aUTiRppY+sr9xuo+KAgyO JeBXAhF4PhhTJAQHLaeEa4Wh+sglW3oB0wDWEZzX9EaWLqKT3U4t4sjhqlUPIDt0lzTu WBNzvAmuzbkKTiwdKsAyjdS5iVr9qWykNVJ/ehCJ8yX/FP3u9OQa0JhEus6cnhhmKav9 xZVg== X-Received: by 10.112.168.228 with SMTP id zz4mr13681918lbb.73.1445698874139; Sat, 24 Oct 2015 08:01:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.25.213.2 with HTTP; Sat, 24 Oct 2015 08:00:54 -0700 (PDT) In-Reply-To: <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> From: Spiros Eliopoulos Date: Sat, 24 Oct 2015 11:00:54 -0400 Message-ID: To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============2721739036720634370==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============2721739036720634370== Content-Type: multipart/alternative; boundary=001a11c237f0d86b850522daff86 --001a11c237f0d86b850522daff86 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Very sorry, I meant to send that to the list as well. -Spiros E. On Sat, Oct 24, 2015 at 10:55 AM, Daniel B=C3=BCnzli wrote: > > Spiros sent this. I respond on the list I hope he doesn't mind. My > response is below his message. > > > Le samedi, 24 octobre 2015 =C3=A0 14:45, Spiros Eliopoulos a =C3=A9crit : > > > > 1) nop reporter (do absolutely nothing) > > > 2) stderr reporter (vomits on stderr) > > > 3) invalid reporter (throws in your face) > > > > It should be #2. Ideally, adding logging to a program would not change > its behavior at all. Obviously not the case in practice but that's the > goal. Adding a logging dependency and (for example) logging the fact that= a > program started should still run the program. Adding a library dependency > that includes unconfigured loggging calls should also still run the > program. Throwing an exception is about as big of a deviation from normal > program behavior that you can get. It should not be #3. > > > > While unmodified program behavior is the goal, that's of course not > feasible in practice for the very reason that logging modifies the progra= m. > It adds new lines of code which adds new computation, be it just NOOP > function calls. More importantly though, the addition of logging calls is > an attempt to collect diagnostic and progress information by the > programmer, and report it to the user. Their very presence suggests that > they're important, so the information they collect should not be discarde= d > unless there is an explicit request to do so. It should not be #1. > > > > Stderr was quite literally invented for reporting errors and diagnostic > information without cluttering stdout[0]. It should be #2. > > > > -Spiros E. > > > > [0]: http://www.spinellis.gr/blog/20131211/ > > I disagree that "ideally adding logging to a program would not change its > behaviour at all". I think you are mixing program instrumentation and > logging. Logging by summarizing computation is a creative act and has an > effect on the program output that cannot be ignored; in an interactive > program it may even trigger a feedback command from the user to the progr= am > so for me logging *has* to part of the program behaviour. Which invalidat= es > for me your argument that it should not be 3). > > My concern with 2) is that's it is equivalent to either 1) or 3) when the > concept doesn't exist (e.g. on bare metal) and I prefer consistent and > visible behaviour regardless of context; this is why I lean towards 3). > > Best, > > Daniel > > > > > --001a11c237f0d86b850522daff86 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Very sorry, I meant to send that to the list as well.
=
-Spiros E.

On Sat, Oct 24, 2015 at 10:55 AM, Daniel B=C3=BCnzli <daniel.buenzli@erratique.ch> wrote:

Spiros sent this. I respond on the list I hope he doesn't mind. My resp= onse is below his message.


Le samedi, 24 octobre 2015 =C3=A0 14:45, Spiros Eliopoulos a =C3=A9crit :
> > 1) nop reporter (do absolutely nothing)
> > 2) stderr reporter (vomits on stderr)
> > 3) invalid reporter (throws in your face)
>
> It should be #2. Ideally, adding logging to a program would not change= its behavior at all. Obviously not the case in practice but that's the= goal. Adding a logging dependency and (for example) logging the fact that = a program started should still run the program. Adding a library dependency= that includes unconfigured loggging calls should also still run the progra= m. Throwing an exception is about as big of a deviation from normal program= behavior that you can get. It should not be #3.
>
> While unmodified program behavior is the goal, that's of course no= t feasible in practice for the very reason that logging modifies the progra= m. It adds new lines of code which adds new computation, be it just NOOP fu= nction calls. More importantly though, the addition of logging calls is an = attempt to collect diagnostic and progress information by the programmer, a= nd report it to the user. Their very presence suggests that they're imp= ortant, so the information they collect should not be discarded unless ther= e is an explicit request to do so. It should not be #1.
>
> Stderr was quite literally invented for reporting errors and diagnosti= c information without cluttering stdout[0]. It should be #2.
>
> -Spiros E.
>
> [0]: http://www.spinellis.gr/blog/20131211/

I disagree that "ideally adding logging to a program would not = change its behaviour at all". I think you are mixing program instrumen= tation and logging. Logging by summarizing computation is a creative act an= d has an effect on the program output that cannot be ignored; in an interac= tive program it may even trigger a feedback command from the user to the pr= ogram so for me logging *has* to part of the program behaviour. Which inval= idates for me your argument that it should not be 3).

My concern with 2) is that's it is equivalent to either 1) or 3) when t= he concept doesn't exist (e.g. on bare metal) and I prefer consistent a= nd visible behaviour regardless of context; this is why I lean towards 3).<= br>
Best,

Daniel





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<571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> Mime-Version: 1.0 (1.0) In-Reply-To: <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> Message-Id: X-Mailer: iPhone Mail (13A452) From: =?utf-8?Q?B=C3=BCnzli_Daniel?= Date: Sat, 24 Oct 2015 16:47:28 +0100 To: Spiros Eliopoulos Cc: mirageos-devel@lists.xenproject.org Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Cgo+IExlIDI0IG9jdC4gMjAxNSDDoCAxNTo1NSwgRGFuaWVsIELDvG56bGkgPGRhbmllbC5idWVu 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<6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> Date: Sat, 24 Oct 2015 17:25:57 +0100 Message-ID: From: Thomas Leonard To: =?UTF-8?Q?Daniel_B=C3=BCnzli?= Cc: "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 T24gMjQgT2N0b2JlciAyMDE1IGF0IDE1OjU1LCBEYW5pZWwgQsO8bnpsaSA8ZGFuaWVsLmJ1ZW56 bGlAZXJyYXRpcXVlLmNoPiB3cm90ZToKPgo+IFNwaXJvcyBzZW50IHRoaXMuIEkgcmVzcG9uZCBv 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CkdQRzogREE5OCAyNUFFIENBRDAgODk3NSA3Q0RBICBCRDhFIDA3MTMgM0Y5NiBDQTc0IEQ4QkEK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9T LWRldmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpo dHRwOi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFn ZW9zLWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Sat Oct 24 17:22:14 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 24 Oct 2015 17:22:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zq2W9-00038P-ON; Sat, 24 Oct 2015 17:22:09 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zq2W8-00038K-2K for mirageos-devel@lists.xenproject.org; Sat, 24 Oct 2015 17:22:08 +0000 Received: from [85.158.139.211] by server-6.bemta-5.messagelabs.com id EB/4B-22089-F3EBB265; Sat, 24 Oct 2015 17:22:07 +0000 X-Env-Sender: daniel.buenzli@erratique.ch X-Msg-Ref: server-11.tower-206.messagelabs.com!1445707326!40686794!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: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 9552 invoked from network); 24 Oct 2015 17:22:06 -0000 Received: from mail6.webfaction.com (HELO smtp.webfaction.com) (74.55.86.74) by server-11.tower-206.messagelabs.com with SMTP; 24 Oct 2015 17:22:06 -0000 Received: from [192.168.0.2] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 8DCA72093E52; Sat, 24 Oct 2015 17:22:05 +0000 (UTC) Date: Sat, 24 Oct 2015 18:22:03 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: <0FF9C29A7ED24E5FA97157E754F5C35B@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> 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18:22:03 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Thomas Leonard Message-ID: <0FF9C29A7ED24E5FA97157E754F5C35B@erratique.ch> In-Reply-To: References: <4F6302F0563D47B6ADF1049BDE6DA3C3@erratique.ch> <6F6C93FD-C34C-4182-8CEE-008894D52A5F@recoil.org> <571B9FB83147499ABBCCC04B316C6F66@erratique.ch> <5176CE5E309344F1A662892195EFAF83@erratique.ch> <2F7778CE17C548ACB90D4905C14B23E9@erratique.ch> <8FC79584FA2A4EF0AECE6D4C01A93C60@erratique.ch> 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] Logs X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 TGUgc2FtZWRpLCAyNCBvY3RvYnJlIDIwMTUgw6AgMTc6MjUsIFRob21hcyBMZW9uYXJkIGEgw6lj cml0IDoKPiBzdGRvdXQvc3RkZXJyIGlzIHNvbWV0aGluZyBPQ2FtbCBwcm9ncmFtcyBjYW4gZ2Vu ZXJhbGx5IGFzc3VtZSBleGlzdHMuCj4gSWYgc29tZW9uZSBtYWtlcyBhIG5ldyBPQ2FtbCBwbGF0 Zm9ybSwgaXQncyB1cCB0byB0aGVtIHRvIG1ha2Ugc3VyZQo+IHRoZXkgZG8gc29tZXRoaW5nIHNl bnNpYmxlIChtaXJhZ2UteGVuIHNlbmRzIG91dHB1dCB0byB0aGUgZGVmYXVsdAo+IGNvbnNvbGUs IGZvciBleGFtcGxlKS4gT3RoZXJ3aXNlLCB3ZSdkIGhhdmUgdG8gYmFuIHBlb3BsZSBmcm9tIHVz aW5nCj4gcHJpbnRfZW5kbGluZSBieSBkZWZhdWx0IHRvbyAod2hpY2ggbWlnaHQgbWFrZSBzZW5z ZSBmb3IgYSBuZXcKPiBsYW5ndWFnZSwgYnV0IGl0J3MgdG9vIGxhdGUgbm93IGZvciBPQ2FtbCku CgpOb3Qgc3VyZSBJIHNlZSB0aGUgcG9pbnQgd2l0aCBwcmludF9lbmRsaW5lIGhlcmUsIGlmIHlv dSBhcmUgdXNpbmcgbGlicmFyaWVzIHRoYXQgdXNlIHRoaXMgZnVuY3Rpb24geW91IG11c3QgYmUg dXNpbmcgdGhlIHdyb25nIG9uZXMuIENvbnRyb2wgb3ZlciBjaGFubmVsIHVzYWdlIHNob3VsZCBh bHdheXMgYmUgZXhwbGljaXQgYW5kIGxlZnQgdG8gdGhlIGFwcGxpY2F0aW9uIHRoaXMgaXMgd2h5 IEknbSBub3QgaGFwcHkgd2l0aCAyLgoKPiBGaW5hbGx5LCBpZiB5b3UgcmVhbGx5IHdhbnQgdG8g Y3Jhc2ggaWYgdGhpbmdzIGFyZW4ndCBjb25maWd1cmVkLCB5b3UKPiBzaG91bGQgYXQgbGVhc3Qg ZG8gaXQgaW1tZWRpYXRlbHkgYXQgc3RhcnQtdXAgc28gdGhlIHByb2JsZW0gY2FuIGJlCj4gZGV0 ZWN0ZWQgYXQgZGVwbG95bWVudCB0aW1lLCBub3Qgd2FpdCB1bnRpbCBhIHNlcmlvdXMgcHJvYmxl bSBvY2N1cnMKPiBpbiBwcm9kdWN0aW9uIGFuZCB0aGVuIGNyYXNoIGluc3RlYWQgd2l0aCBhbiBl cnJvciBhYm91dCB0aGUgbG9nZ2luZwo+IGNvbmZpZ3VyYXRpb24uCgpZZXMsIHRoaXMgaXMgd2h5 IEkgaGF2ZSBub3cgcnVsZWQgb3V0IDMuICAKCkJlc3QsICAKCkRhbmllbAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTWlyYWdlT1MtZGV2ZWwgbWFpbGlu ZyBsaXN0Ck1pcmFnZU9TLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHA6Ly9saXN0cy54 ZW5wcm9qZWN0Lm9yZy9jZ2ktYmluL21haWxtYW4vbGlzdGluZm8vbWlyYWdlb3MtZGV2ZWwK From mirageos-devel-bounces@lists.xenproject.org Mon Oct 26 13:46:32 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 26 Oct 2015 13:46:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 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(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=rRLcjUGhkZ4YZrHyfdE/5j5BMcWbwF89XQRc690ognY=; b=OGdy33NKhIH8JMqnRbZxwUAOOAi+tTthyA4E2udHftaX5v3nukYu1lzE1M6rTG5/Od 0wBqioZ+RD7a5mktW3kzzMWMlaPJo3jxnYX2fKY8wFnkdyzsBuLVjgQUWb0hdTG+LBWr FmisYEp1ogNXZ2AkBeGNnkM9tYERa3V3JFlUtBsXei+P/o4Iu0iiAZL0tkVaB1Gja2P9 qafPXlvgrMnlBwsygBY4GW+rH806GrJKoBGG4iD+ASzAZS76JWbWUaGHT0riYI4Nyhs6 otIZIKlWcuW9/jne7b/XUq1ChvQe8LCxs4euqI0LBZ8LjMgftsNVWRJCYXB1wzyepZ40 ZKlA== MIME-Version: 1.0 X-Received: by 10.55.71.146 with SMTP id u140mr3659356qka.17.1445867181385; Mon, 26 Oct 2015 06:46:21 -0700 (PDT) Received: by 10.55.42.22 with HTTP; Mon, 26 Oct 2015 06:46:21 -0700 (PDT) Date: Mon, 26 Oct 2015 09:46:21 -0400 X-Google-Sender-Auth: sjy9brvFy8jABABnyI4SRMQbfcg Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel , xen-api , xs-devel , mirageos-devel Subject: [MirageOS-devel] Make the Wiki 4.6 ready: Xen Project Document Day is Wednesday X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 OUR THEME OF THE MONTH: "Ready for 4.6" This month, we continue with the effort to make the Wiki reflect the realities of the 4.6 release. Many pages need reviewing and may need updating. Main tasks include: - Add new documentation for new features - Modify existing documentation for anything which is changing in the newest release, and - Deprecate old documentation, letting people know that certain information is applies only to older releases Check out the current documentation, and anything which doesn't map to 4.6 (or 4.5, for that matter) commands or best practices will need improvement. More detailed information can be found in the TODO document (below). And, as always, feel free to add any other documentation which you believe to be necessary. All the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days Also take a look at the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO 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 Mon Oct 26 13:46:32 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Mon, 26 Oct 2015 13:46:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zqi6T-0007At-LC; Mon, 26 Oct 2015 13:46:25 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zqi6S-0007AS-0F; Mon, 26 Oct 2015 13:46:24 +0000 Received: from [85.158.139.211] by server-7.bemta-5.messagelabs.com id CE/A9-13905-FAE2E265; Mon, 26 Oct 2015 13:46:23 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-13.tower-206.messagelabs.com!1445867181!15248620!1 X-Originating-IP: [209.85.220.170] X-SpamReason: No, hits=2.1 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5746 invoked from network); 26 Oct 2015 13:46:22 -0000 Received: from mail-qk0-f170.google.com (HELO mail-qk0-f170.google.com) (209.85.220.170) by server-13.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 26 Oct 2015 13:46:22 -0000 Received: by qkfq3 with SMTP id q3so13303655qkf.3; Mon, 26 Oct 2015 06:46:21 -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=rRLcjUGhkZ4YZrHyfdE/5j5BMcWbwF89XQRc690ognY=; b=OGdy33NKhIH8JMqnRbZxwUAOOAi+tTthyA4E2udHftaX5v3nukYu1lzE1M6rTG5/Od 0wBqioZ+RD7a5mktW3kzzMWMlaPJo3jxnYX2fKY8wFnkdyzsBuLVjgQUWb0hdTG+LBWr FmisYEp1ogNXZ2AkBeGNnkM9tYERa3V3JFlUtBsXei+P/o4Iu0iiAZL0tkVaB1Gja2P9 qafPXlvgrMnlBwsygBY4GW+rH806GrJKoBGG4iD+ASzAZS76JWbWUaGHT0riYI4Nyhs6 otIZIKlWcuW9/jne7b/XUq1ChvQe8LCxs4euqI0LBZ8LjMgftsNVWRJCYXB1wzyepZ40 ZKlA== MIME-Version: 1.0 X-Received: by 10.55.71.146 with SMTP id u140mr3659356qka.17.1445867181385; Mon, 26 Oct 2015 06:46:21 -0700 (PDT) Received: by 10.55.42.22 with HTTP; Mon, 26 Oct 2015 06:46:21 -0700 (PDT) Date: Mon, 26 Oct 2015 09:46:21 -0400 X-Google-Sender-Auth: sjy9brvFy8jABABnyI4SRMQbfcg Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel , xen-api , xs-devel , mirageos-devel Subject: [MirageOS-devel] Make the Wiki 4.6 ready: Xen Project Document Day is Wednesday X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 OUR THEME OF THE MONTH: "Ready for 4.6" This month, we continue with the effort to make the Wiki reflect the realities of the 4.6 release. Many pages need reviewing and may need updating. Main tasks include: - Add new documentation for new features - Modify existing documentation for anything which is changing in the newest release, and - Deprecate old documentation, letting people know that certain information is applies only to older releases Check out the current documentation, and anything which doesn't map to 4.6 (or 4.5, for that matter) commands or best practices will need improvement. More detailed information can be found in the TODO document (below). And, as always, feel free to add any other documentation which you believe to be necessary. All the information you need to participate in Document Day is here: http://wiki.xenproject.org/wiki/Xen_Document_Days Also take a look at the current TODO list to see other items which need attention: http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO 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 Tue Oct 27 15:03:51 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 27 Oct 2015 15:03:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zr5mp-00005n-G9; Tue, 27 Oct 2015 15:03:43 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zr5mo-00005P-8b; Tue, 27 Oct 2015 15:03:42 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 39/3E-01748-D429F265; Tue, 27 Oct 2015 15:03:41 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1445958219!24421500!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_50_60,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_8,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28653 invoked from network); 27 Oct 2015 15:03:39 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 27 Oct 2015 15:03:39 -0000 Received: by wikq8 with SMTP id q8so215900541wik.1; Tue, 27 Oct 2015 08:03:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:subject:date:message-id:cc:to:mime-version; bh=DcA2MYzLHcY2XEJLVyKsk2peIYu7TQi9FdXYNZsir4k=; b=D9uavRQK7bgxFjauhmXFPDMb0ppqTwTbsWPS2+fxZN4ZwAIlg2rFx1F7KRS6Is5b6K gBa+Wmmg2va5cFpt+wIyaoD9Qwxqqw0ncILVO98r6WKLuJP6cDTgPXpe7dE7pAn+V2z9 9V5HszEEmnTGn+8HnHh3H0V7kMkjI9A6IhzxXxYj+hCQyNqJXvefr9beJbP0dmMYsixl BFo3mNH/xlKfpa2u+4OQCJStJJyY3iGim/cnS8CeqptaQesUusiZqu5UD5SdK2ritSIE 79UczzJ2G0qidq3ZhDF/M2lgbuUAmtb0lZMimmPQsM6cafwlbK5Z1XfgvYMMARC9th5f CWDg== X-Received: by 10.180.74.47 with SMTP id q15mr28873970wiv.73.1445958218650; Tue, 27 Oct 2015 08:03:38 -0700 (PDT) Received: from [192.168.0.9] (97e3cc8b.skybroadband.com. [151.227.204.139]) by smtp.gmail.com with ESMTPSA id ly4sm45242035wjb.4.2015.10.27.08.03.36 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 27 Oct 2015 08:03:37 -0700 (PDT) From: Lars Kurth Date: Tue, 27 Oct 2015 15:03:35 +0000 Message-Id: To: Xen-devel , mirageos-devel , Win-pv-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Cc: "Jesus M. Gonzalez-Barahona" Subject: [MirageOS-devel] Urgent actions for Outreachy mentors X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8945008439980508258==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8945008439980508258== Content-Type: multipart/alternative; boundary="Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C" --Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi everyone, if you are an Outreachy mentor, you *must request access* to = https://docs.google.com/spreadsheets/d/1MaJD0bvjaXN6Jg1h0be7Zv99lnGZxC4Ffx= HhhRkpgBs/edit?usp=3Dsharing if I have not already given you access ...=20= The idea is to track in the spreadsheet ... a) Who has been engaging with potential applicants and who they are b) Which project(s) do they want to work on c) Have they contributed small contribution yet and what are they Please *add any candidates* you have had conversations with, in = particular if the answer to c) is yes. If the answer is c), you *must* create an account on = https://outreachy.gnome.org and sign up as mentor. Otherwise, your = applicant won't be able to submit an application. As for deadlines: > September 29 application process opens ** We are here ** > November 2 application deadline > November 6 (mentors): Xen Project mentors get together and evaluate = applicants > November 9 (mentors): Xen Project decides which applicants to put = forward > November 17 accepted applicants announced > December 7 - March 7 internship dates If you had several applicants asking for the same project, I propose we = follow the following protocol. * Ask applicants to chose a back-up project * Let them apply for normally * Resolve any "conflicts" post the November 2 deadline (between Nov 2-9) Best Regards Lars =20= --Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi everyone,

if you are an Outreachy mentor, you *must request access* to = https://docs.google.com/spreadsheets/d/1MaJD0bvjaXN6Jg1h0be7Zv9= 9lnGZxC4FfxHhhRkpgBs/edit?usp=3Dsharing if I have not already given = you access ... 

The idea is to track in the spreadsheet ...
a) Who has been engaging with potential applicants and who = they are
b) Which project(s) do they want to work = on
c) Have they contributed small contribution yet = and what are they

Please *add any candidates* you have had conversations with, = in particular if the answer to c) is yes.

If the answer is c), you *must* create = an account on https://outreachy.gnome.org and sign up as mentor. = Otherwise, your applicant won't be able to submit an = application.

As = for deadlines:

September 29 application process opens

** We are = here **

November 2 application = deadline
November 6 (mentors): Xen Project mentors get = together and evaluate applicants
November 9 (mentors): = Xen Project decides which applicants to put = forward
November 17 accepted applicants announced
December 7 - March 7 internship dates

If you had several applicants asking = for the same project, I propose we follow the following = protocol.
* Ask applicants to chose a back-up = project
* Let them apply for normally
* Resolve any "conflicts" post the November 2 deadline = (between Nov 2-9)

Best Regards
Lars
 
= --Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C-- --===============8945008439980508258== 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 --===============8945008439980508258==-- From mirageos-devel-bounces@lists.xenproject.org Tue Oct 27 15:03:51 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Tue, 27 Oct 2015 15:03:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zr5mp-00005n-G9; Tue, 27 Oct 2015 15:03:43 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zr5mo-00005P-8b; Tue, 27 Oct 2015 15:03:42 +0000 Received: from [85.158.137.68] by server-5.bemta-3.messagelabs.com id 39/3E-01748-D429F265; Tue, 27 Oct 2015 15:03:41 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-11.tower-31.messagelabs.com!1445958219!24421500!1 X-Originating-IP: [209.85.212.176] X-SpamReason: No, hits=0.1 required=7.0 tests=HTML_50_60,HTML_MESSAGE, ML_RADAR_SPEW_LINKS_8,spamassassin: X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 28653 invoked from network); 27 Oct 2015 15:03:39 -0000 Received: from mail-wi0-f176.google.com (HELO mail-wi0-f176.google.com) (209.85.212.176) by server-11.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 27 Oct 2015 15:03:39 -0000 Received: by wikq8 with SMTP id q8so215900541wik.1; Tue, 27 Oct 2015 08:03:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:subject:date:message-id:cc:to:mime-version; bh=DcA2MYzLHcY2XEJLVyKsk2peIYu7TQi9FdXYNZsir4k=; b=D9uavRQK7bgxFjauhmXFPDMb0ppqTwTbsWPS2+fxZN4ZwAIlg2rFx1F7KRS6Is5b6K gBa+Wmmg2va5cFpt+wIyaoD9Qwxqqw0ncILVO98r6WKLuJP6cDTgPXpe7dE7pAn+V2z9 9V5HszEEmnTGn+8HnHh3H0V7kMkjI9A6IhzxXxYj+hCQyNqJXvefr9beJbP0dmMYsixl BFo3mNH/xlKfpa2u+4OQCJStJJyY3iGim/cnS8CeqptaQesUusiZqu5UD5SdK2ritSIE 79UczzJ2G0qidq3ZhDF/M2lgbuUAmtb0lZMimmPQsM6cafwlbK5Z1XfgvYMMARC9th5f CWDg== X-Received: by 10.180.74.47 with SMTP id q15mr28873970wiv.73.1445958218650; Tue, 27 Oct 2015 08:03:38 -0700 (PDT) Received: from [192.168.0.9] (97e3cc8b.skybroadband.com. [151.227.204.139]) by smtp.gmail.com with ESMTPSA id ly4sm45242035wjb.4.2015.10.27.08.03.36 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 27 Oct 2015 08:03:37 -0700 (PDT) From: Lars Kurth Date: Tue, 27 Oct 2015 15:03:35 +0000 Message-Id: To: Xen-devel , mirageos-devel , Win-pv-devel@lists.xenproject.org Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Cc: "Jesus M. Gonzalez-Barahona" Subject: [MirageOS-devel] Urgent actions for Outreachy mentors X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============8945008439980508258==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============8945008439980508258== Content-Type: multipart/alternative; boundary="Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C" --Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi everyone, if you are an Outreachy mentor, you *must request access* to = https://docs.google.com/spreadsheets/d/1MaJD0bvjaXN6Jg1h0be7Zv99lnGZxC4Ffx= HhhRkpgBs/edit?usp=3Dsharing if I have not already given you access ...=20= The idea is to track in the spreadsheet ... a) Who has been engaging with potential applicants and who they are b) Which project(s) do they want to work on c) Have they contributed small contribution yet and what are they Please *add any candidates* you have had conversations with, in = particular if the answer to c) is yes. If the answer is c), you *must* create an account on = https://outreachy.gnome.org and sign up as mentor. Otherwise, your = applicant won't be able to submit an application. As for deadlines: > September 29 application process opens ** We are here ** > November 2 application deadline > November 6 (mentors): Xen Project mentors get together and evaluate = applicants > November 9 (mentors): Xen Project decides which applicants to put = forward > November 17 accepted applicants announced > December 7 - March 7 internship dates If you had several applicants asking for the same project, I propose we = follow the following protocol. * Ask applicants to chose a back-up project * Let them apply for normally * Resolve any "conflicts" post the November 2 deadline (between Nov 2-9) Best Regards Lars =20= --Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
Hi everyone,

if you are an Outreachy mentor, you *must request access* to = https://docs.google.com/spreadsheets/d/1MaJD0bvjaXN6Jg1h0be7Zv9= 9lnGZxC4FfxHhhRkpgBs/edit?usp=3Dsharing if I have not already given = you access ... 

The idea is to track in the spreadsheet ...
a) Who has been engaging with potential applicants and who = they are
b) Which project(s) do they want to work = on
c) Have they contributed small contribution yet = and what are they

Please *add any candidates* you have had conversations with, = in particular if the answer to c) is yes.

If the answer is c), you *must* create = an account on https://outreachy.gnome.org and sign up as mentor. = Otherwise, your applicant won't be able to submit an = application.

As = for deadlines:

September 29 application process opens

** We are = here **

November 2 application = deadline
November 6 (mentors): Xen Project mentors get = together and evaluate applicants
November 9 (mentors): = Xen Project decides which applicants to put = forward
November 17 accepted applicants announced
December 7 - March 7 internship dates

If you had several applicants asking = for the same project, I propose we follow the following = protocol.
* Ask applicants to chose a back-up = project
* Let them apply for normally
* Resolve any "conflicts" post the November 2 deadline = (between Nov 2-9)

Best Regards
Lars
 
= --Apple-Mail=_42543CC6-2D9C-474F-A1E5-65D15F9FB48C-- --===============8945008439980508258== 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 --===============8945008439980508258==-- From mirageos-devel-bounces@lists.xenproject.org Wed Oct 28 05:32:32 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 05:32:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrJLV-0000U0-QP; Wed, 28 Oct 2015 05:32:25 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrJLU-0000TZ-Dm; Wed, 28 Oct 2015 05:32:24 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 0B/8F-14900-7ED50365; Wed, 28 Oct 2015 05:32:23 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-4.tower-31.messagelabs.com!1446010341!56124515!1 X-Originating-IP: [209.85.192.47] X-SpamReason: No, hits=2.1 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31470 invoked from network); 28 Oct 2015 05:32:22 -0000 Received: from mail-qg0-f47.google.com (HELO mail-qg0-f47.google.com) (209.85.192.47) by server-4.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 28 Oct 2015 05:32:22 -0000 Received: by qgbb65 with SMTP id b65so163896140qgb.2; Tue, 27 Oct 2015 22:32:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:content-type; bh=Thp3sm0bhC+Z16lJWYS+xUOCqJg/o/m+ilvWtBAYNS4=; b=SZtyyflPSsF+szAzjWjgJ26KcuN6ijZtideV8pByAJprJzoiIRCYeUF27yCxhSDO91 KBJx/KZRmhQwhqWrFcZN2UTNLwd+EapFMHFv3qNNae+TJmuyWf/nNZl5Ka5pM7OLq4/v eIBr+NNcjGtJwV3lAlUF3AeYo6+maKRm2FPpY1lncNpyql8Jw6DRXgs1h+uoPMLsBVFj JQVdsmDc0VbdXKdTcJpKxPv/36IPss87Fge1FQWaHBEAXhJv52xZJTL9PZgHC/MK9zSC 8HJb4l6wstcWoUabIgh+0El3IEvus2Vfa07V1g/ujJFKWf7kCVWrsLq5u3+cBRVnodUH G46w== MIME-Version: 1.0 X-Received: by 10.140.151.81 with SMTP id 78mr58701392qhx.101.1446010341493; Tue, 27 Oct 2015 22:32:21 -0700 (PDT) Received: by 10.55.166.71 with HTTP; Tue, 27 Oct 2015 22:32:21 -0700 (PDT) In-Reply-To: References: Date: Wed, 28 Oct 2015 01:32:21 -0400 X-Google-Sender-Auth: LoFYgBnf1iJYQliQvU77Ds0GNKg Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel , xen-api , xs-devel , mirageos-devel Subject: Re: [MirageOS-devel] Make the Wiki 4.6 ready: Xen Project Document Day is Wednesday X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Document Day is here! Join us in #xendocs IRC on Freenode. On 10/26/15, Russ Pavlicek wrote: > OUR THEME OF THE MONTH: "Ready for 4.6" > > This month, we continue with the effort to make the Wiki reflect the > realities of the 4.6 release. Many pages need reviewing and may need > updating. Main tasks include: > > - Add new documentation for new features > - Modify existing documentation for anything which is changing in the > newest release, and > - Deprecate old documentation, letting people know that certain > information is applies only to older releases > > Check out the current documentation, and anything which doesn't map to > 4.6 (or 4.5, for that matter) commands or best practices will need > improvement. > > More detailed information can be found in the TODO document (below). > And, as always, feel free to add any other documentation which you > believe to be necessary. > > All the information you need to participate in Document Day is here: > > http://wiki.xenproject.org/wiki/Xen_Document_Days > > Also take a look at the current TODO list to see other items which > need attention: > > http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO > > 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 Wed Oct 28 05:32:32 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 05:32:32 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrJLV-0000U0-QP; Wed, 28 Oct 2015 05:32:25 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrJLU-0000TZ-Dm; Wed, 28 Oct 2015 05:32:24 +0000 Received: from [85.158.137.68] by server-12.bemta-3.messagelabs.com id 0B/8F-14900-7ED50365; Wed, 28 Oct 2015 05:32:23 +0000 X-Env-Sender: russell.pavlicek.xen@gmail.com X-Msg-Ref: server-4.tower-31.messagelabs.com!1446010341!56124515!1 X-Originating-IP: [209.85.192.47] X-SpamReason: No, hits=2.1 required=7.0 tests=RCVD_BY_IP, SUSPICIOUS_RECIPS X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 31470 invoked from network); 28 Oct 2015 05:32:22 -0000 Received: from mail-qg0-f47.google.com (HELO mail-qg0-f47.google.com) (209.85.192.47) by server-4.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 28 Oct 2015 05:32:22 -0000 Received: by qgbb65 with SMTP id b65so163896140qgb.2; Tue, 27 Oct 2015 22:32:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:content-type; bh=Thp3sm0bhC+Z16lJWYS+xUOCqJg/o/m+ilvWtBAYNS4=; b=SZtyyflPSsF+szAzjWjgJ26KcuN6ijZtideV8pByAJprJzoiIRCYeUF27yCxhSDO91 KBJx/KZRmhQwhqWrFcZN2UTNLwd+EapFMHFv3qNNae+TJmuyWf/nNZl5Ka5pM7OLq4/v eIBr+NNcjGtJwV3lAlUF3AeYo6+maKRm2FPpY1lncNpyql8Jw6DRXgs1h+uoPMLsBVFj JQVdsmDc0VbdXKdTcJpKxPv/36IPss87Fge1FQWaHBEAXhJv52xZJTL9PZgHC/MK9zSC 8HJb4l6wstcWoUabIgh+0El3IEvus2Vfa07V1g/ujJFKWf7kCVWrsLq5u3+cBRVnodUH G46w== MIME-Version: 1.0 X-Received: by 10.140.151.81 with SMTP id 78mr58701392qhx.101.1446010341493; Tue, 27 Oct 2015 22:32:21 -0700 (PDT) Received: by 10.55.166.71 with HTTP; Tue, 27 Oct 2015 22:32:21 -0700 (PDT) In-Reply-To: References: Date: Wed, 28 Oct 2015 01:32:21 -0400 X-Google-Sender-Auth: LoFYgBnf1iJYQliQvU77Ds0GNKg Message-ID: From: Russ Pavlicek To: "xen-users@lists.xen.org" , xen-devel , xen-api , xs-devel , mirageos-devel Subject: Re: [MirageOS-devel] Make the Wiki 4.6 ready: Xen Project Document Day is Wednesday X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 Document Day is here! Join us in #xendocs IRC on Freenode. On 10/26/15, Russ Pavlicek wrote: > OUR THEME OF THE MONTH: "Ready for 4.6" > > This month, we continue with the effort to make the Wiki reflect the > realities of the 4.6 release. Many pages need reviewing and may need > updating. Main tasks include: > > - Add new documentation for new features > - Modify existing documentation for anything which is changing in the > newest release, and > - Deprecate old documentation, letting people know that certain > information is applies only to older releases > > Check out the current documentation, and anything which doesn't map to > 4.6 (or 4.5, for that matter) commands or best practices will need > improvement. > > More detailed information can be found in the TODO document (below). > And, as always, feel free to add any other documentation which you > believe to be necessary. > > All the information you need to participate in Document Day is here: > > http://wiki.xenproject.org/wiki/Xen_Document_Days > > Also take a look at the current TODO list to see other items which > need attention: > > http://wiki.xenproject.org/wiki/Xen_Document_Days/TODO > > 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 Wed Oct 28 11:53:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 11:53:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrPIO-0005ux-Nf; Wed, 28 Oct 2015 11:53:36 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrPIN-0005uj-PY for mirageos-devel@lists.xenproject.org; Wed, 28 Oct 2015 11:53:35 +0000 Received: from [193.109.254.147] by server-11.bemta-14.messagelabs.com id 39/26-15765-E37B0365; Wed, 28 Oct 2015 11:53:34 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-9.tower-27.messagelabs.com!1446033213!62241877!1 X-Originating-IP: [131.111.8.140] X-SpamReason: No, hits=0.5 required=7.0 tests=BODY_RANDOM_LONG X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 4592 invoked from network); 28 Oct 2015 11:53:33 -0000 Received: from ppsw-40.csi.cam.ac.uk (HELO ppsw-40.csi.cam.ac.uk) (131.111.8.140) by server-9.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 28 Oct 2015 11:53:33 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from cpc21-cmbg14-2-0-cust311.5-4.cable.virginm.net ([86.6.27.56]:40113 helo=[10.0.1.8]) by ppsw-40.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.156]:465) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1ZrPIL-00025C-kH (Exim 4.86_36-e07b163) for mirageos-devel@lists.xenproject.org (return-path ); Wed, 28 Oct 2015 11:53:33 +0000 From: Amir Chaudhry Message-Id: Date: Wed, 28 Oct 2015 11:53:40 +0000 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] MirageOS fortnightly call - Wednesday (TODAY) 28th at 4pm GMT (note time change) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2VPUyBjYWxsIHdpbGwgdGFrZSBwbGFjZSAqKlRPREFZ KiogYXQgNHBtIEdNVCAobm90ZSB0aGUgdGltZXpvbmUgY2hhbmdlKSBhbmQgaXMgb3BlbiB0byBh bGwuCgpBZnRlciBzb21lIGRpc2N1c3Npb25zIHJlZ2FyZGluZyB2aWRlbyBjb25mZXJlbmNpbmcg dG9vbHMgWzFdLCB3ZSB0cmllZCBvdXQgSml0c2kgWzJdIGFuZCBoYXZlIGRlY2lkZWQgdG8gdXNl IGl0IGZvciB0aGUgY2FsIHRoaXMgd2Vlay4gSXQgc2hvdWxkIHdvcmsgZW50aXJlbHkgZnJvbSB5 b3VyIGJyb3dzZXIgd2l0aCBubyBsb2cgaW4gcmVxdWlyZW1lbnQuICBJ4oCZbGwgcG9zdCB0aGUg c3BlY2lmaWMgbGluayBzaG9ydGx5IGJlZm9yZSB0aGUgY2FsbCAtLSBib3RoIGhlcmUgYW5kIGFs c28gaW4gdGhlIElSQyBjaGFubmVsICgjbWlyYWdlIG9uIGZyZWVub2RlKS4gIAoKVGhlIGFnZW5k YSBmb3IgdGhpcyB3ZWVrIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzIChzdWJqZWN0IHRvIGNoYW5n ZSwgZXNwIGFzIHNvbWUgZm9sa3MgYXJlIHRyYXZlbGluZyk6CgrigKIgUXVhbGl0eSBhbmQgVGVz dArigKIgRnVuY3RvcmlhCuKAoiBMb2dnaW5nCuKAoiBQaW9uZWVyIFByb2plY3RzCgpJZiB5b3Ug aGF2ZSB0aGluZ3MgdG8gYWRkL2VkaXQsIHBsZWFzZSBkbyBzbyBhdCBodHRwczovL2dpdGh1Yi5j b20vbWlyYWdlL21pcmFnZS13d3cvd2lraS9DYWxsLUFnZW5kYQoKSm9pbiB1cyBhdCA0cG0gR01U IHRvZGF5IQoKQmVzdCB3aXNoZXMsCkFtaXIKClsxXSBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdl L21pcmFnZS13d3cvaXNzdWVzLzM5MgpbMl0gaHR0cHM6Ly9tZWV0LmppdC5zaQoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1h aWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlz dHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVs Cg== From mirageos-devel-bounces@lists.xenproject.org Wed Oct 28 11:53:45 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 11:53:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrPIO-0005ux-Nf; 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Wed, 28 Oct 2015 11:53:33 +0000 From: Amir Chaudhry Message-Id: Date: Wed, 28 Oct 2015 11:53:40 +0000 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] MirageOS fortnightly call - Wednesday (TODAY) 28th at 4pm GMT (note time change) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 SGkgZm9sa3MsCgpUaGUgbmV4dCBNaXJhZ2VPUyBjYWxsIHdpbGwgdGFrZSBwbGFjZSAqKlRPREFZ KiogYXQgNHBtIEdNVCAobm90ZSB0aGUgdGltZXpvbmUgY2hhbmdlKSBhbmQgaXMgb3BlbiB0byBh bGwuCgpBZnRlciBzb21lIGRpc2N1c3Npb25zIHJlZ2FyZGluZyB2aWRlbyBjb25mZXJlbmNpbmcg dG9vbHMgWzFdLCB3ZSB0cmllZCBvdXQgSml0c2kgWzJdIGFuZCBoYXZlIGRlY2lkZWQgdG8gdXNl IGl0IGZvciB0aGUgY2FsIHRoaXMgd2Vlay4gSXQgc2hvdWxkIHdvcmsgZW50aXJlbHkgZnJvbSB5 b3VyIGJyb3dzZXIgd2l0aCBubyBsb2cgaW4gcmVxdWlyZW1lbnQuICBJ4oCZbGwgcG9zdCB0aGUg c3BlY2lmaWMgbGluayBzaG9ydGx5IGJlZm9yZSB0aGUgY2FsbCAtLSBib3RoIGhlcmUgYW5kIGFs c28gaW4gdGhlIElSQyBjaGFubmVsICgjbWlyYWdlIG9uIGZyZWVub2RlKS4gIAoKVGhlIGFnZW5k YSBmb3IgdGhpcyB3ZWVrIGlzIGN1cnJlbnRseSBhcyBmb2xsb3dzIChzdWJqZWN0IHRvIGNoYW5n ZSwgZXNwIGFzIHNvbWUgZm9sa3MgYXJlIHRyYXZlbGluZyk6CgrigKIgUXVhbGl0eSBhbmQgVGVz dArigKIgRnVuY3RvcmlhCuKAoiBMb2dnaW5nCuKAoiBQaW9uZWVyIFByb2plY3RzCgpJZiB5b3Ug aGF2ZSB0aGluZ3MgdG8gYWRkL2VkaXQsIHBsZWFzZSBkbyBzbyBhdCBodHRwczovL2dpdGh1Yi5j b20vbWlyYWdlL21pcmFnZS13d3cvd2lraS9DYWxsLUFnZW5kYQoKSm9pbiB1cyBhdCA0cG0gR01U IHRvZGF5IQoKQmVzdCB3aXNoZXMsCkFtaXIKClsxXSBodHRwczovL2dpdGh1Yi5jb20vbWlyYWdl L21pcmFnZS13d3cvaXNzdWVzLzM5MgpbMl0gaHR0cHM6Ly9tZWV0LmppdC5zaQoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRldmVsIG1h aWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwOi8vbGlz dHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9zLWRldmVs Cg== From mirageos-devel-bounces@lists.xenproject.org Wed Oct 28 12:06:34 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 12:06:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrPUu-0006cq-3w; 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[151.227.204.139]) by smtp.gmail.com with ESMTPSA id bn5sm5954307wib.0.2015.10.28.05.06.27 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 28 Oct 2015 05:06:27 -0700 (PDT) From: Lars Kurth Date: Wed, 28 Oct 2015 12:06:28 +0000 References: <56300786.5000204@redhat.com> To: Xen-devel , mirageos-devel , Win-pv-devel@lists.xenproject.org, publicity@lists.xenproject.org Message-Id: <06007853-CB66-44BE-9F2D-4AB6E5E07AA9@gmail.com> Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Virtualization & IaaS Devroom CFP @ FOSDEM'16 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 forwarded message: > > From: Mikey Ariel > Subject: [devroom-managers] Virtualization & IaaS Devroom CFP > Date: 27 October 2015 23:23:50 GMT > To: fosdem@lists.fosdem.org, devroom-managers@lists.fosdem.org, iaas-virt-devroom@lists.fosdem.org > > **Please forward to any project or individual that might be interested in participating in this devroom!** > > ------------------------- > Call for Participation > ------------------------- > > The Virtualization & IaaS devroom will feature sessions around virtualization and Infrastructure-as-a-Service, with topics to include open source hypervisors and virtual machine managers such as KVM, Xen, bhyve, and VirtualBox, and Infrastructure-as-a-Service projects such as Apache CloudStack, OpenStack, oVirt, OpenNebula, and Ganeti. > > This devroom will host presentations and labs that focus on topics of shared interest, such as KVM, libvirt, shared storage, virtualized networking, clustering and high availability, interfacing with multiple hypervisors, and scaling across hundreds or thousands of servers. > > Presentations in this devroom will be aimed at developers working on these platforms who are looking to collaborate and improve shared infrastructure or solve common problems. > > The devroom organizers will seek topics that encourage dialog between projects and continued work post-FOSDEM. > > ------------------------- > Important Dates > ------------------------- > > Submission deadline: 1 December 2015 > Acceptance notifications: 10 December 2015 > Final schedule announcement: 17 December 2015 > Devroom: 30-31 January 2016 (two days) > > ------------------------- > Submission Guidelines: READ CAREFULLY > ------------------------- > > ** Please note that we expect more proposals than we can possibly accept, so it is vitally important that you submit your proposal on or before the deadline. Late submissions are unlikely to be considered.** > > * All presentation slots are 45 minutes, with 35 minutes planned for presentations, and 10 minutes for Q&A. > > * All presentations *will* be recorded and made available under Creative Commons licenses. In the "Submission notes" field, please indicate that you agree that your presentation will be licensed under the CC-By-SA-4.0 or CC-By-4.0 license and that you agree to have your presentation recorded. For example: > > "If my presentation is accepted for FOSDEM, I hereby agree to license all recordings, slides, and other associated materials under the Creative Commons Attribution Share-Alike 4.0 International License. Sincerely, ." > > * In the "Submission notes" field, please also confirm that if your talk is accepted, you *will* be able to attend FOSDEM and deliver your presentation. We will not consider proposals from prospective speakers who are unsure whether they will be able to secure funds for travel and lodging to attend FOSDEM. (Sadly, we are not able to offer travel funding for prospective speakers.) > > ------------------------- > How to Submit > ------------------------- > > All submissions must be made via the Pentabarf event planning site: > https://penta.fosdem.org/submission/FOSDEM16 > > If you have not used Pentabarf before, you will need to create an account. If you submitted proposals for FOSDEM in previous years, you can use your existing account. > > After creating the account, select "Create Event" to start the submission process. Make sure to select "Virtualization & IaaS devroom" from the Track list. > > Please fill out all the required fields, and provide a meaningful abstract and description of your proposed session. > > ------------------------- > Call for Volunteers > ------------------------- > > We are also looking for volunteers to help run the devroom. We need assistance watching time for the speakers, and helping with video for the devroom. Please contact Mikey Ariel (mariel at redhat.com) for more information. > > ------------------------- > Questions > ------------------------- > > If you have any questions about this devroom, please send your questions to: iaas-virt-devroom at lists.fosdem.org > > We will respond as quickly as possible. Thanks! > > -- > Mikey Ariel > Community Lead, oVirt > www.ovirt.org > > "To be is to do" (Socrates) > "To do is to be" (Jean-Paul Sartre) > "Do be do be do" (Frank Sinatra) > > Mobile: +420-702-131-141 > IRC: mariel / thatdocslady > Twitter: @ThatDocsLady > _______________________________________________ > devroom-managers mailing list > devroom-managers@lists.fosdem.org > https://lists.fosdem.org/listinfo/devroom-managers _______________________________________________ MirageOS-devel 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 Oct 28 12:06:34 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 12:06:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrPUu-0006cq-3w; Wed, 28 Oct 2015 12:06:32 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrPUs-0006cV-U9; Wed, 28 Oct 2015 12:06:31 +0000 Received: from [85.158.137.68] by server-7.bemta-3.messagelabs.com id 2A/F3-16965-54AB0365; Wed, 28 Oct 2015 12:06:29 +0000 X-Env-Sender: lars.kurth.xen@gmail.com X-Msg-Ref: server-10.tower-31.messagelabs.com!1446033988!57561829!1 X-Originating-IP: [209.85.212.174] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15438 invoked from network); 28 Oct 2015 12:06:28 -0000 Received: from mail-wi0-f174.google.com (HELO mail-wi0-f174.google.com) (209.85.212.174) by server-10.tower-31.messagelabs.com with RC4-SHA encrypted SMTP; 28 Oct 2015 12:06:28 -0000 Received: by wicfv8 with SMTP id fv8so9973989wic.0; Wed, 28 Oct 2015 05:06:28 -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:date:references :to:message-id:mime-version; bh=esesYJITiqCvLjUC2oRcL+R2LSey/y9QoChH/Jx5/h4=; b=VAEWgtylWsMbBFPVBkbCgM/+ZSxJ9Rp6HzcosBEbTXZ5Bm/DGnc9PSnDms1h9OlwN5 D2Thn3SGeZxqiqDsaqVC5Tm20Z1TrD5bh0eQWLQ7A+7TMrJkpa1kQ1nYmcOVo31+nmME CBSMAh03HJtBt+5Cm4/Rp4U5x0/MNLgGiIggMIjXAqcHeWx5m7cPNpRBgeKtzonpV+de DBArHIoXe4vTEeEK7qELqFZlJrwca39cf3A85QQSGl4pgGxWILRTLh4bZ+ye5NojVcDJ gE/5KuSt7LJ6BIW1M+QVVVmRt4KBBAeA+ChYcD1XFFsoMfKfnbRS77pg+x4rodiS+DKb lHBA== X-Received: by 10.194.116.167 with SMTP id jx7mr22344047wjb.4.1446033988360; Wed, 28 Oct 2015 05:06:28 -0700 (PDT) Received: from [192.168.0.9] (97e3cc8b.skybroadband.com. [151.227.204.139]) by smtp.gmail.com with ESMTPSA id bn5sm5954307wib.0.2015.10.28.05.06.27 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 28 Oct 2015 05:06:27 -0700 (PDT) From: Lars Kurth Date: Wed, 28 Oct 2015 12:06:28 +0000 References: <56300786.5000204@redhat.com> To: Xen-devel , mirageos-devel , Win-pv-devel@lists.xenproject.org, publicity@lists.xenproject.org Message-Id: <06007853-CB66-44BE-9F2D-4AB6E5E07AA9@gmail.com> Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Virtualization & IaaS Devroom CFP @ FOSDEM'16 X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 forwarded message: > > From: Mikey Ariel > Subject: [devroom-managers] Virtualization & IaaS Devroom CFP > Date: 27 October 2015 23:23:50 GMT > To: fosdem@lists.fosdem.org, devroom-managers@lists.fosdem.org, iaas-virt-devroom@lists.fosdem.org > > **Please forward to any project or individual that might be interested in participating in this devroom!** > > ------------------------- > Call for Participation > ------------------------- > > The Virtualization & IaaS devroom will feature sessions around virtualization and Infrastructure-as-a-Service, with topics to include open source hypervisors and virtual machine managers such as KVM, Xen, bhyve, and VirtualBox, and Infrastructure-as-a-Service projects such as Apache CloudStack, OpenStack, oVirt, OpenNebula, and Ganeti. > > This devroom will host presentations and labs that focus on topics of shared interest, such as KVM, libvirt, shared storage, virtualized networking, clustering and high availability, interfacing with multiple hypervisors, and scaling across hundreds or thousands of servers. > > Presentations in this devroom will be aimed at developers working on these platforms who are looking to collaborate and improve shared infrastructure or solve common problems. > > The devroom organizers will seek topics that encourage dialog between projects and continued work post-FOSDEM. > > ------------------------- > Important Dates > ------------------------- > > Submission deadline: 1 December 2015 > Acceptance notifications: 10 December 2015 > Final schedule announcement: 17 December 2015 > Devroom: 30-31 January 2016 (two days) > > ------------------------- > Submission Guidelines: READ CAREFULLY > ------------------------- > > ** Please note that we expect more proposals than we can possibly accept, so it is vitally important that you submit your proposal on or before the deadline. Late submissions are unlikely to be considered.** > > * All presentation slots are 45 minutes, with 35 minutes planned for presentations, and 10 minutes for Q&A. > > * All presentations *will* be recorded and made available under Creative Commons licenses. In the "Submission notes" field, please indicate that you agree that your presentation will be licensed under the CC-By-SA-4.0 or CC-By-4.0 license and that you agree to have your presentation recorded. For example: > > "If my presentation is accepted for FOSDEM, I hereby agree to license all recordings, slides, and other associated materials under the Creative Commons Attribution Share-Alike 4.0 International License. Sincerely, ." > > * In the "Submission notes" field, please also confirm that if your talk is accepted, you *will* be able to attend FOSDEM and deliver your presentation. We will not consider proposals from prospective speakers who are unsure whether they will be able to secure funds for travel and lodging to attend FOSDEM. (Sadly, we are not able to offer travel funding for prospective speakers.) > > ------------------------- > How to Submit > ------------------------- > > All submissions must be made via the Pentabarf event planning site: > https://penta.fosdem.org/submission/FOSDEM16 > > If you have not used Pentabarf before, you will need to create an account. If you submitted proposals for FOSDEM in previous years, you can use your existing account. > > After creating the account, select "Create Event" to start the submission process. Make sure to select "Virtualization & IaaS devroom" from the Track list. > > Please fill out all the required fields, and provide a meaningful abstract and description of your proposed session. > > ------------------------- > Call for Volunteers > ------------------------- > > We are also looking for volunteers to help run the devroom. We need assistance watching time for the speakers, and helping with video for the devroom. Please contact Mikey Ariel (mariel at redhat.com) for more information. > > ------------------------- > Questions > ------------------------- > > If you have any questions about this devroom, please send your questions to: iaas-virt-devroom at lists.fosdem.org > > We will respond as quickly as possible. Thanks! > > -- > Mikey Ariel > Community Lead, oVirt > www.ovirt.org > > "To be is to do" (Socrates) > "To do is to be" (Jean-Paul Sartre) > "Do be do be do" (Frank Sinatra) > > Mobile: +420-702-131-141 > IRC: mariel / thatdocslady > Twitter: @ThatDocsLady > _______________________________________________ > devroom-managers mailing list > devroom-managers@lists.fosdem.org > https://lists.fosdem.org/listinfo/devroom-managers _______________________________________________ MirageOS-devel 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 Oct 28 15:55:22 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 15:55:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrT4E-0006fm-Az; Wed, 28 Oct 2015 15:55:14 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrT4D-0006fd-4H for mirageos-devel@lists.xenproject.org; Wed, 28 Oct 2015 15:55:13 +0000 Received: from [193.109.254.147] by server-9.bemta-14.messagelabs.com id D4/C9-26043-0EFE0365; Wed, 28 Oct 2015 15:55:12 +0000 X-Env-Sender: amc79@cam.ac.uk X-Msg-Ref: server-2.tower-27.messagelabs.com!1446047711!26334179!1 X-Originating-IP: [131.111.8.151] X-SpamReason: No, hits=0.0 required=7.0 tests=sa_preprocessor: VHJ1c3RlZCBJUDogMTMxLjExMS44LjE1MSA9PiAxNDE4OTU=\n X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5502 invoked from network); 28 Oct 2015 15:55:11 -0000 Received: from ppsw-51.csi.cam.ac.uk (HELO ppsw-51.csi.cam.ac.uk) (131.111.8.151) by server-2.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 28 Oct 2015 15:55:11 -0000 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from dhcp-10-248-171-56.eduroam.wireless.private.cam.ac.uk ([10.248.171.56]:56849) by ppsw-51.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:465) with esmtpsa (PLAIN:amc79) (TLSv1:ECDHE-RSA-AES256-SHA:256) id 1ZrT4B-0001zS-WT (Exim 4.86_36-e07b163) for mirageos-devel@lists.xenproject.org (return-path ); Wed, 28 Oct 2015 15:55:11 +0000 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Wed, 28 Oct 2015 15:55:18 +0000 Message-Id: <5ADCB867-68F8-4679-BDD2-A194DFFEC5DE@cam.ac.uk> References: To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday (TODAY) 28th at 4pm GMT (note time change) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 VGhlIGxpbmsgZm9yIHRoZSBtZWV0aW5nIGlzOiBodHRwczovL21lZXQuaml0LnNpL01pcmFnZU9T CgoKPiBPbiAyOCBPY3QgMjAxNSwgYXQgMTE6NTMsIEFtaXIgQ2hhdWRocnkgPGFtYzc5QGNhbS5h Yy51az4gd3JvdGU6Cj4gCj4gSGkgZm9sa3MsCj4gCj4gVGhlIG5leHQgTWlyYWdlT1MgY2FsbCB3 aWxsIHRha2UgcGxhY2UgKipUT0RBWSoqIGF0IDRwbSBHTVQgKG5vdGUgdGhlIHRpbWV6b25lIGNo YW5nZSkgYW5kIGlzIG9wZW4gdG8gYWxsLgo+IAo+IEFmdGVyIHNvbWUgZGlzY3Vzc2lvbnMgcmVn YXJkaW5nIHZpZGVvIGNvbmZlcmVuY2luZyB0b29scyBbMV0sIHdlIHRyaWVkIG91dCBKaXRzaSBb Ml0gYW5kIGhhdmUgZGVjaWRlZCB0byB1c2UgaXQgZm9yIHRoZSBjYWwgdGhpcyB3ZWVrLiBJdCBz aG91bGQgd29yayBlbnRpcmVseSBmcm9tIHlvdXIgYnJvd3NlciB3aXRoIG5vIGxvZyBpbiByZXF1 aXJlbWVudC4gIEnigJlsbCBwb3N0IHRoZSBzcGVjaWZpYyBsaW5rIHNob3J0bHkgYmVmb3JlIHRo ZSBjYWxsIC0tIGJvdGggaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNoYW5uZWwgKCNtaXJhZ2Ug b24gZnJlZW5vZGUpLiAgCj4gCj4gVGhlIGFnZW5kYSBmb3IgdGhpcyB3ZWVrIGlzIGN1cnJlbnRs eSBhcyBmb2xsb3dzIChzdWJqZWN0IHRvIGNoYW5nZSwgZXNwIGFzIHNvbWUgZm9sa3MgYXJlIHRy YXZlbGluZyk6Cj4gCj4g4oCiIFF1YWxpdHkgYW5kIFRlc3QKPiDigKIgRnVuY3RvcmlhCj4g4oCi IExvZ2dpbmcKPiDigKIgUGlvbmVlciBQcm9qZWN0cwo+IAo+IElmIHlvdSBoYXZlIHRoaW5ncyB0 byBhZGQvZWRpdCwgcGxlYXNlIGRvIHNvIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWly YWdlLXd3dy93aWtpL0NhbGwtQWdlbmRhCj4gCj4gSm9pbiB1cyBhdCA0cG0gR01UIHRvZGF5IQo+ IAo+IEJlc3Qgd2lzaGVzLAo+IEFtaXIKPiAKPiBbMV0gaHR0cHM6Ly9naXRodWIuY29tL21pcmFn ZS9taXJhZ2Utd3d3L2lzc3Vlcy8zOTIKPiBbMl0gaHR0cHM6Ly9tZWV0LmppdC5zaQo+IAoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRl dmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRw Oi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9z LWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Wed Oct 28 15:55:22 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Wed, 28 Oct 2015 15:55:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrT4E-0006fm-Az; 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Wed, 28 Oct 2015 15:55:11 +0000 Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Amir Chaudhry In-Reply-To: Date: Wed, 28 Oct 2015 15:55:18 +0000 Message-Id: <5ADCB867-68F8-4679-BDD2-A194DFFEC5DE@cam.ac.uk> References: To: mirageos-devel X-Mailer: Apple Mail (2.2104) Subject: Re: [MirageOS-devel] MirageOS fortnightly call - Wednesday (TODAY) 28th at 4pm GMT (note time change) X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 VGhlIGxpbmsgZm9yIHRoZSBtZWV0aW5nIGlzOiBodHRwczovL21lZXQuaml0LnNpL01pcmFnZU9T CgoKPiBPbiAyOCBPY3QgMjAxNSwgYXQgMTE6NTMsIEFtaXIgQ2hhdWRocnkgPGFtYzc5QGNhbS5h Yy51az4gd3JvdGU6Cj4gCj4gSGkgZm9sa3MsCj4gCj4gVGhlIG5leHQgTWlyYWdlT1MgY2FsbCB3 aWxsIHRha2UgcGxhY2UgKipUT0RBWSoqIGF0IDRwbSBHTVQgKG5vdGUgdGhlIHRpbWV6b25lIGNo YW5nZSkgYW5kIGlzIG9wZW4gdG8gYWxsLgo+IAo+IEFmdGVyIHNvbWUgZGlzY3Vzc2lvbnMgcmVn YXJkaW5nIHZpZGVvIGNvbmZlcmVuY2luZyB0b29scyBbMV0sIHdlIHRyaWVkIG91dCBKaXRzaSBb Ml0gYW5kIGhhdmUgZGVjaWRlZCB0byB1c2UgaXQgZm9yIHRoZSBjYWwgdGhpcyB3ZWVrLiBJdCBz aG91bGQgd29yayBlbnRpcmVseSBmcm9tIHlvdXIgYnJvd3NlciB3aXRoIG5vIGxvZyBpbiByZXF1 aXJlbWVudC4gIEnigJlsbCBwb3N0IHRoZSBzcGVjaWZpYyBsaW5rIHNob3J0bHkgYmVmb3JlIHRo ZSBjYWxsIC0tIGJvdGggaGVyZSBhbmQgYWxzbyBpbiB0aGUgSVJDIGNoYW5uZWwgKCNtaXJhZ2Ug b24gZnJlZW5vZGUpLiAgCj4gCj4gVGhlIGFnZW5kYSBmb3IgdGhpcyB3ZWVrIGlzIGN1cnJlbnRs eSBhcyBmb2xsb3dzIChzdWJqZWN0IHRvIGNoYW5nZSwgZXNwIGFzIHNvbWUgZm9sa3MgYXJlIHRy YXZlbGluZyk6Cj4gCj4g4oCiIFF1YWxpdHkgYW5kIFRlc3QKPiDigKIgRnVuY3RvcmlhCj4g4oCi IExvZ2dpbmcKPiDigKIgUGlvbmVlciBQcm9qZWN0cwo+IAo+IElmIHlvdSBoYXZlIHRoaW5ncyB0 byBhZGQvZWRpdCwgcGxlYXNlIGRvIHNvIGF0IGh0dHBzOi8vZ2l0aHViLmNvbS9taXJhZ2UvbWly YWdlLXd3dy93aWtpL0NhbGwtQWdlbmRhCj4gCj4gSm9pbiB1cyBhdCA0cG0gR01UIHRvZGF5IQo+ IAo+IEJlc3Qgd2lzaGVzLAo+IEFtaXIKPiAKPiBbMV0gaHR0cHM6Ly9naXRodWIuY29tL21pcmFn ZS9taXJhZ2Utd3d3L2lzc3Vlcy8zOTIKPiBbMl0gaHR0cHM6Ly9tZWV0LmppdC5zaQo+IAoKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCk1pcmFnZU9TLWRl dmVsIG1haWxpbmcgbGlzdApNaXJhZ2VPUy1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRw Oi8vbGlzdHMueGVucHJvamVjdC5vcmcvY2dpLWJpbi9tYWlsbWFuL2xpc3RpbmZvL21pcmFnZW9z LWRldmVsCg== From mirageos-devel-bounces@lists.xenproject.org Thu Oct 29 16:17:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Oct 2015 16:17:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrpsr-00048P-Gd; 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Thu, 29 Oct 2015 09:16:57 -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=UjTnsg78sNOgl994DoEov8Be4rJBL6bpeArhraGPWgI=; b=gi1fpRB9VSBt90BNpultx1YvuxFY2IZHCYTfzkhHRB+DKSrRcAV3sXElMQK6EATxch iebQzbOMjrbPVZW7dFyL2TWjJXs6JsjquArtFVFM7D9TOl8dMjV6gatkKQlzwifPxK7x ZdH1ZTxdyTxfI8G5KGTFzFb/Czyyw0mzACa1G7qRMMOS6oQXw27WqzF7TNSIOksh0FER UxJYdK5TWctz4LnEoN69D86+iMylQZC24LM/yhR5Yb1DTx6kt85KhnZiyM39kp/3YIzN 3CIp+pNmedx4gcn2Hac8EplCKbULSPZ2473QYy/9pcARpO0OZDeQioZVSdf0hiI9JrjC Ospg== MIME-Version: 1.0 X-Received: by 10.28.7.67 with SMTP id 64mr7468364wmh.70.1446135417847; Thu, 29 Oct 2015 09:16:57 -0700 (PDT) Received: by 10.28.88.135 with HTTP; Thu, 29 Oct 2015 09:16:57 -0700 (PDT) In-Reply-To: References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Thu, 29 Oct 2015 16:16:57 +0000 Message-ID: From: David Scott To: Thomas Leonard Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============1407184483586617761==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1407184483586617761== Content-Type: multipart/alternative; boundary=001a11442a44e0caa6052340a37d --001a11442a44e0caa6052340a37d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi, FYI I just found myself writing a generic `copy` function over `BLOCK` devices for about the 100th time so I've created a repo called `mirage-block` to contain generic functions over block devices. The kinds of things I have in mind are: 1. copy 2. erase 3. mirror 4. Linux device-mapper like virtual devices 5. perhaps helper functions to handle alignment constraints when laying out structures on disk? This is similar to the existing mirage/mirage-flow repo, only for `BLOCK`. Let me know what you think! Cheers, Dave On Sat, Oct 17, 2015 at 12:33 PM, Thomas Leonard wrote: > On 17 October 2015 at 12:24, Rupert Horlick wrote: > > Okay, great. > > > > You=E2=80=99re right. So I should leave the connection to the generated= main.ml > and even have it connect to my device there as well, passing my > implementation through to the start method in the Unikernel. > > Eventually, yes. For testing, I'd suggest your test unikernel should > take a plain block device and pass it to ORAM.connect manually. Then > update the mirage tool with ORAM support at the end. > > > Thanks for the help, > > > > Rupert > > > >> On 17 Oct 2015, at 12:17, Thomas Leonard wrote: > >> > >> On 17 October 2015 at 11:58, Rupert Horlick wrote: > >>> Hi all, > >>> > >>> I am currently working on building a functor which takes a V1.BLOCK > >>> implementation and creates a new BLOCK implementation, with ORAM > >>> capabilities. > >>> > >>> I=E2=80=99ve been looking through the APIs and I had a couple of ques= tions > about the > >>> structure of things: > >>> > >>> Is there any specific reason why mirage-block-unix and > mirage-block-xen both > >>> implement V1.BLOCK and add types themselves, rather than implementing > >>> V1.BLOCK_LWT? > >> > >> I don't think so. It does the same thing (apart from also defining the > >> deprecated "id" type, which could be removed now). > >> > >>> Both implementations have a =E2=80=9Cconnect" method of type "string = -> [`Ok > of t | > >>> `Error of error] io=E2=80=9D, is there a reason why this is not part = of the > BLOCK > >>> signature? It would be nice to be able to rely on the implementation > having > >>> this method. > >> > >> What do you need it for? You should be able to define your own connect > >> method that takes an instance of the underlying block device and wraps > >> it with your type. You shouldn't need to call the underlying device's > >> connect method yourself (and different devices will require different > >> arguments). > >> > >> Actually, the current "connect" signatures aren't very good. Ideally, > >> mirage-block-xen's connect function would take a XenStore argument, > >> for example, rather than fishing one out of the environment. > >> > >>> It would be great to clarify these points before I move ahead with th= e > >>> implementation. > >>> > >>> Thanks, > >>> > >>> Rupert > >> > >> > >> -- > >> Dr Thomas Leonard http://roscidus.com/blog/ > >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > 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 > --=20 Dave Scott --001a11442a44e0caa6052340a37d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

FYI I just found myself writing a g= eneric `copy` function over `BLOCK` devices for about the 100th time so I&#= 39;ve created a repo called `mirage-block` to contain generic functions ove= r block devices. The kinds of things I have in mind are:

1. copy
2. erase
3. mirror
4. Linux de= vice-mapper like virtual devices
5. perhaps helper functions to h= andle alignment constraints when laying out structures on disk?
<= br>
This is similar to the existing mirage/mirage-flow repo, only= for `BLOCK`.

Let me know what you think!

Cheers,
Dave

On Sat, Oct 17, 2015 at 12:33 PM, Thomas = Leonard <talex5@gmail.com> wrote:
On 17 October 2015 at 12:24, Rupert Horlick <rh572@cam.ac.uk> wrote:
> Okay, great.
>
> You=E2=80=99re right. So I should leave the connection to the generate= d main.ml and even have it connect to my device there as well, passing my implemen= tation through to the start method in the Unikernel.

Eventually, yes. For testing, I'd suggest your test unikernel sh= ould
take a plain block device and pass it to ORAM.connect manually. Then
update the mirage tool with ORAM support at the end.

> Thanks for the help,
>
> Rupert
>
>> On 17 Oct 2015, at 12:17, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 17 October 2015 at 11:58, Rupert Horlick <rh572@cam.ac.uk> wrote:
>>> Hi all,
>>>
>>> I am currently working on building a functor which takes a V1.= BLOCK
>>> implementation and creates a new BLOCK implementation, with OR= AM
>>> capabilities.
>>>
>>> I=E2=80=99ve been looking through the APIs and I had a couple = of questions about the
>>> structure of things:
>>>
>>> Is there any specific reason why mirage-block-unix and mirage-= block-xen both
>>> implement V1.BLOCK and add types themselves, rather than imple= menting
>>> V1.BLOCK_LWT?
>>
>> I don't think so. It does the same thing (apart from also defi= ning the
>> deprecated "id" type, which could be removed now).
>>
>>> Both implementations have a =E2=80=9Cconnect" method of t= ype "string -> [`Ok of t |
>>> `Error of error] io=E2=80=9D, is there a reason why this is no= t part of the BLOCK
>>> signature? It would be nice to be able to rely on the implemen= tation having
>>> this method.
>>
>> What do you need it for? You should be able to define your own con= nect
>> method that takes an instance of the underlying block device and w= raps
>> it with your type. You shouldn't need to call the underlying d= evice's
>> connect method yourself (and different devices will require differ= ent
>> arguments).
>>
>> Actually, the current "connect" signatures aren't ve= ry good. Ideally,
>> mirage-block-xen's connect function would take a XenStore argu= ment,
>> for example, rather than fishing one out of the environment.
>>
>>> It would be great to clarify these points before I move ahead = with the
>>> implementation.
>>>
>>> Thanks,
>>>
>>> Rupert
>>
>>
>> --
>> Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/b= log/
>> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA
>



--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

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



--
=
Dave Scott
--001a11442a44e0caa6052340a37d-- --===============1407184483586617761== 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 --===============1407184483586617761==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 29 16:17:10 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Oct 2015 16:17:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrpsr-00048P-Gd; Thu, 29 Oct 2015 16:17:01 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrpsq-000487-6E for mirageos-devel@lists.xenproject.org; Thu, 29 Oct 2015 16:17:00 +0000 Received: from [85.158.139.211] by server-3.bemta-5.messagelabs.com id 19/84-06179-B7642365; Thu, 29 Oct 2015 16:16:59 +0000 X-Env-Sender: scott.dj@gmail.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1446135418!9691899!1 X-Originating-IP: [74.125.82.50] X-SpamReason: No, hits=0.7 required=7.0 tests=HTML_30_40,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR,RCVD_BY_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 25829 invoked from network); 29 Oct 2015 16:16:58 -0000 Received: from mail-wm0-f50.google.com (HELO mail-wm0-f50.google.com) (74.125.82.50) by server-16.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Oct 2015 16:16:58 -0000 Received: by wmff134 with SMTP id f134so27799819wmf.0 for ; Thu, 29 Oct 2015 09:16:57 -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=UjTnsg78sNOgl994DoEov8Be4rJBL6bpeArhraGPWgI=; b=gi1fpRB9VSBt90BNpultx1YvuxFY2IZHCYTfzkhHRB+DKSrRcAV3sXElMQK6EATxch iebQzbOMjrbPVZW7dFyL2TWjJXs6JsjquArtFVFM7D9TOl8dMjV6gatkKQlzwifPxK7x ZdH1ZTxdyTxfI8G5KGTFzFb/Czyyw0mzACa1G7qRMMOS6oQXw27WqzF7TNSIOksh0FER UxJYdK5TWctz4LnEoN69D86+iMylQZC24LM/yhR5Yb1DTx6kt85KhnZiyM39kp/3YIzN 3CIp+pNmedx4gcn2Hac8EplCKbULSPZ2473QYy/9pcARpO0OZDeQioZVSdf0hiI9JrjC Ospg== MIME-Version: 1.0 X-Received: by 10.28.7.67 with SMTP id 64mr7468364wmh.70.1446135417847; Thu, 29 Oct 2015 09:16:57 -0700 (PDT) Received: by 10.28.88.135 with HTTP; Thu, 29 Oct 2015 09:16:57 -0700 (PDT) In-Reply-To: References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> Date: Thu, 29 Oct 2015 16:16:57 +0000 Message-ID: From: David Scott To: Thomas Leonard Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============1407184483586617761==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============1407184483586617761== Content-Type: multipart/alternative; boundary=001a11442a44e0caa6052340a37d --001a11442a44e0caa6052340a37d Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi, FYI I just found myself writing a generic `copy` function over `BLOCK` devices for about the 100th time so I've created a repo called `mirage-block` to contain generic functions over block devices. The kinds of things I have in mind are: 1. copy 2. erase 3. mirror 4. Linux device-mapper like virtual devices 5. perhaps helper functions to handle alignment constraints when laying out structures on disk? This is similar to the existing mirage/mirage-flow repo, only for `BLOCK`. Let me know what you think! Cheers, Dave On Sat, Oct 17, 2015 at 12:33 PM, Thomas Leonard wrote: > On 17 October 2015 at 12:24, Rupert Horlick wrote: > > Okay, great. > > > > You=E2=80=99re right. So I should leave the connection to the generated= main.ml > and even have it connect to my device there as well, passing my > implementation through to the start method in the Unikernel. > > Eventually, yes. For testing, I'd suggest your test unikernel should > take a plain block device and pass it to ORAM.connect manually. Then > update the mirage tool with ORAM support at the end. > > > Thanks for the help, > > > > Rupert > > > >> On 17 Oct 2015, at 12:17, Thomas Leonard wrote: > >> > >> On 17 October 2015 at 11:58, Rupert Horlick wrote: > >>> Hi all, > >>> > >>> I am currently working on building a functor which takes a V1.BLOCK > >>> implementation and creates a new BLOCK implementation, with ORAM > >>> capabilities. > >>> > >>> I=E2=80=99ve been looking through the APIs and I had a couple of ques= tions > about the > >>> structure of things: > >>> > >>> Is there any specific reason why mirage-block-unix and > mirage-block-xen both > >>> implement V1.BLOCK and add types themselves, rather than implementing > >>> V1.BLOCK_LWT? > >> > >> I don't think so. It does the same thing (apart from also defining the > >> deprecated "id" type, which could be removed now). > >> > >>> Both implementations have a =E2=80=9Cconnect" method of type "string = -> [`Ok > of t | > >>> `Error of error] io=E2=80=9D, is there a reason why this is not part = of the > BLOCK > >>> signature? It would be nice to be able to rely on the implementation > having > >>> this method. > >> > >> What do you need it for? You should be able to define your own connect > >> method that takes an instance of the underlying block device and wraps > >> it with your type. You shouldn't need to call the underlying device's > >> connect method yourself (and different devices will require different > >> arguments). > >> > >> Actually, the current "connect" signatures aren't very good. Ideally, > >> mirage-block-xen's connect function would take a XenStore argument, > >> for example, rather than fishing one out of the environment. > >> > >>> It would be great to clarify these points before I move ahead with th= e > >>> implementation. > >>> > >>> Thanks, > >>> > >>> Rupert > >> > >> > >> -- > >> Dr Thomas Leonard http://roscidus.com/blog/ > >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > > > > > -- > Dr Thomas Leonard http://roscidus.com/blog/ > 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 > --=20 Dave Scott --001a11442a44e0caa6052340a37d Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Hi,

FYI I just found myself writing a g= eneric `copy` function over `BLOCK` devices for about the 100th time so I&#= 39;ve created a repo called `mirage-block` to contain generic functions ove= r block devices. The kinds of things I have in mind are:

1. copy
2. erase
3. mirror
4. Linux de= vice-mapper like virtual devices
5. perhaps helper functions to h= andle alignment constraints when laying out structures on disk?
<= br>
This is similar to the existing mirage/mirage-flow repo, only= for `BLOCK`.

Let me know what you think!

Cheers,
Dave

On Sat, Oct 17, 2015 at 12:33 PM, Thomas = Leonard <talex5@gmail.com> wrote:
On 17 October 2015 at 12:24, Rupert Horlick <rh572@cam.ac.uk> wrote:
> Okay, great.
>
> You=E2=80=99re right. So I should leave the connection to the generate= d main.ml and even have it connect to my device there as well, passing my implemen= tation through to the start method in the Unikernel.

Eventually, yes. For testing, I'd suggest your test unikernel sh= ould
take a plain block device and pass it to ORAM.connect manually. Then
update the mirage tool with ORAM support at the end.

> Thanks for the help,
>
> Rupert
>
>> On 17 Oct 2015, at 12:17, Thomas Leonard <talex5@gmail.com> wrote:
>>
>> On 17 October 2015 at 11:58, Rupert Horlick <rh572@cam.ac.uk> wrote:
>>> Hi all,
>>>
>>> I am currently working on building a functor which takes a V1.= BLOCK
>>> implementation and creates a new BLOCK implementation, with OR= AM
>>> capabilities.
>>>
>>> I=E2=80=99ve been looking through the APIs and I had a couple = of questions about the
>>> structure of things:
>>>
>>> Is there any specific reason why mirage-block-unix and mirage-= block-xen both
>>> implement V1.BLOCK and add types themselves, rather than imple= menting
>>> V1.BLOCK_LWT?
>>
>> I don't think so. It does the same thing (apart from also defi= ning the
>> deprecated "id" type, which could be removed now).
>>
>>> Both implementations have a =E2=80=9Cconnect" method of t= ype "string -> [`Ok of t |
>>> `Error of error] io=E2=80=9D, is there a reason why this is no= t part of the BLOCK
>>> signature? It would be nice to be able to rely on the implemen= tation having
>>> this method.
>>
>> What do you need it for? You should be able to define your own con= nect
>> method that takes an instance of the underlying block device and w= raps
>> it with your type. You shouldn't need to call the underlying d= evice's
>> connect method yourself (and different devices will require differ= ent
>> arguments).
>>
>> Actually, the current "connect" signatures aren't ve= ry good. Ideally,
>> mirage-block-xen's connect function would take a XenStore argu= ment,
>> for example, rather than fishing one out of the environment.
>>
>>> It would be great to clarify these points before I move ahead = with the
>>> implementation.
>>>
>>> Thanks,
>>>
>>> Rupert
>>
>>
>> --
>> Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/b= log/
>> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA
>



--
Dr Thomas Leonard=C2=A0 =C2=A0 =C2=A0 =C2=A0 http://roscidus.com/blog/<= br> GPG: DA98 25AE CAD0 8975 7CDA=C2=A0 BD8E 0713 3F96 CA74 D8BA

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Dave Scott
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[131.111.5.150]) by smtp.gmail.com with ESMTPSA id l5sm2852715wjf.11.2015.10.29.10.34.59 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 29 Oct 2015 10:34:59 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 29 Oct 2015 17:34:58 +0000 Message-Id: <067DB4F6-0041-4DAB-A588-2E03A6784717@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2104) Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] OUnit Patch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 guess oUnit is dead (that patch was first submitted in 2013). Maybe > one of the other frameworks would be better, although the work-around > is OK if you don't need to run tests in parallel. Mirage has alcotest, > although I haven't used it in my own code: > > https://github.com/mirage/alcotest > > Perhaps someone on mirage-devel (CC'd) could give a quick overview of > its benefits (apart from defaulting to not crashing, obviously)... I'm not sure these are real benefit but: - it does not use OUnit (at least since version 0.4). You can define your own "test" combinators[1]. - it produces a binary which produces tests, which have a nice man page, a nice output with lots of colors - you can easily play only a subset of the tests, and display one specific test output Some examples: irmin-chunk[2] or ciso[3]. Thomas [1]: https://github.com/mirage/alcotest/blob/master/lib/alcotest.mli#L45 [2]: https://github.com/samoht/irmin-chunk/blob/master/lib_test/test.ml#L59 [3]: https://github.com/samoht/ciso/blob/master/lib_test/test_common.ml#L43 _______________________________________________ MirageOS-devel 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 Oct 29 17:35:11 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Oct 2015 17:35:11 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrr6O-0002Qb-C6; Thu, 29 Oct 2015 17:35:04 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrr6M-0002QT-Tf for mirageos-devel@lists.xenproject.org; Thu, 29 Oct 2015 17:35:03 +0000 Received: from [85.158.139.211] by server-15.bemta-5.messagelabs.com id 9C/60-16870-6C852365; Thu, 29 Oct 2015 17:35:02 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-16.tower-206.messagelabs.com!1446140101!9712726!1 X-Originating-IP: [209.85.212.175] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18106 invoked from network); 29 Oct 2015 17:35:01 -0000 Received: from mail-wi0-f175.google.com (HELO mail-wi0-f175.google.com) (209.85.212.175) by server-16.tower-206.messagelabs.com with RC4-SHA encrypted SMTP; 29 Oct 2015 17:35:01 -0000 Received: by wijp11 with SMTP id p11so294170876wij.0 for ; Thu, 29 Oct 2015 10:35:01 -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=1sOQtb8kwQzwzT8dIJjm3y+V7+OFg96hBfAUSvZXSnQ=; b=zGaqA91bdbiCBRD0laSKRf1oS1q1C33MPgaRnRDN2ZAakavZUeh35CpbjU+CUbYaRy roq/vTFfGy+CA5AFOEJCuMKevMgMjE+N7CyqJUvKdBFyihxxXU2UohzotXvI94pwOI9i S7gN1kNj3wmRorldf0VPYQ4tGoThTtCOYW2qzEO6CSlDq8ZdIRSW+V8CwpiYzMPDuK+r siWuz3U63xXoSwV2d+KR09xh5ansTVMSjHbQnbnnQmsH9qsYo+UBkZlTGuZCGhpTzS9n ETPCDUDEslEkBdrg9rN5z7p4ZYDumhPMTEKD5LL+dR5TiRRVtEuSqbJ/9ZUt/ZtqrSyc MNPg== X-Received: by 10.194.122.42 with SMTP id lp10mr4265524wjb.51.1446140101210; Thu, 29 Oct 2015 10:35:01 -0700 (PDT) Received: from dhcp-10-248-170-56.eduroam.wireless.private.cam.ac.uk (global-5-150.nat-2.net.cam.ac.uk. [131.111.5.150]) by smtp.gmail.com with ESMTPSA id l5sm2852715wjf.11.2015.10.29.10.34.59 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 29 Oct 2015 10:34:59 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 29 Oct 2015 17:34:58 +0000 Message-Id: <067DB4F6-0041-4DAB-A588-2E03A6784717@gazagnaire.org> References: To: Thomas Leonard X-Mailer: Apple Mail (2.2104) Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] OUnit Patch X-BeenThere: mirageos-devel@lists.xenproject.org X-Mailman-Version: 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 guess oUnit is dead (that patch was first submitted in 2013). Maybe > one of the other frameworks would be better, although the work-around > is OK if you don't need to run tests in parallel. Mirage has alcotest, > although I haven't used it in my own code: > > https://github.com/mirage/alcotest > > Perhaps someone on mirage-devel (CC'd) could give a quick overview of > its benefits (apart from defaulting to not crashing, obviously)... I'm not sure these are real benefit but: - it does not use OUnit (at least since version 0.4). You can define your own "test" combinators[1]. - it produces a binary which produces tests, which have a nice man page, a nice output with lots of colors - you can easily play only a subset of the tests, and display one specific test output Some examples: irmin-chunk[2] or ciso[3]. Thomas [1]: https://github.com/mirage/alcotest/blob/master/lib/alcotest.mli#L45 [2]: https://github.com/samoht/irmin-chunk/blob/master/lib_test/test.ml#L59 [3]: https://github.com/samoht/ciso/blob/master/lib_test/test_common.ml#L43 _______________________________________________ MirageOS-devel 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 Oct 29 17:37:05 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Oct 2015 17:37:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrr8L-0002wr-JQ; Thu, 29 Oct 2015 17:37:05 +0000 Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrr8K-0002wm-DU for mirageos-devel@lists.xenproject.org; Thu, 29 Oct 2015 17:37:04 +0000 Received: from [85.158.139.211] by server-14.bemta-5.messagelabs.com id CE/B9-22142-F3952365; 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[131.111.5.150]) by smtp.gmail.com with ESMTPSA id ju5sm2878638wjc.1.2015.10.29.10.37.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 29 Oct 2015 10:37:29 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 29 Oct 2015 17:37:28 +0000 Message-Id: <956D48D3-C742-4514-8A8D-064CF7E57318@gazagnaire.org> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> To: David Scott X-Mailer: Apple Mail (2.2104) Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============3800911221891063164==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3800911221891063164== Content-Type: multipart/alternative; boundary="Apple-Mail=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A" --Apple-Mail=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > This is similar to the existing mirage/mirage-flow repo, only for = `BLOCK`. >=20 > Let me know what you think! That's very useful. Would also useful be useful if we have unit-tests = functors that BLOCK implementation can instantiate to check that they = are correct. Haven't done that for mirage-flow, but that would be nice. Thomas >=20 > Cheers, > Dave >=20 > On Sat, Oct 17, 2015 at 12:33 PM, Thomas Leonard > wrote: > On 17 October 2015 at 12:24, Rupert Horlick > wrote: > > Okay, great. > > > > You=E2=80=99re right. So I should leave the connection to the = generated main.ml and even have it connect to my = device there as well, passing my implementation through to the start = method in the Unikernel. >=20 > Eventually, yes. For testing, I'd suggest your test unikernel should > take a plain block device and pass it to ORAM.connect manually. Then > update the mirage tool with ORAM support at the end. >=20 > > Thanks for the help, > > > > Rupert > > > >> On 17 Oct 2015, at 12:17, Thomas Leonard > wrote: > >> > >> On 17 October 2015 at 11:58, Rupert Horlick > wrote: > >>> Hi all, > >>> > >>> I am currently working on building a functor which takes a = V1.BLOCK > >>> implementation and creates a new BLOCK implementation, with ORAM > >>> capabilities. > >>> > >>> I=E2=80=99ve been looking through the APIs and I had a couple of = questions about the > >>> structure of things: > >>> > >>> Is there any specific reason why mirage-block-unix and = mirage-block-xen both > >>> implement V1.BLOCK and add types themselves, rather than = implementing > >>> V1.BLOCK_LWT? > >> > >> I don't think so. It does the same thing (apart from also defining = the > >> deprecated "id" type, which could be removed now). > >> > >>> Both implementations have a =E2=80=9Cconnect" method of type = "string -> [`Ok of t | > >>> `Error of error] io=E2=80=9D, is there a reason why this is not = part of the BLOCK > >>> signature? It would be nice to be able to rely on the = implementation having > >>> this method. > >> > >> What do you need it for? You should be able to define your own = connect > >> method that takes an instance of the underlying block device and = wraps > >> it with your type. You shouldn't need to call the underlying = device's > >> connect method yourself (and different devices will require = different > >> arguments). > >> > >> Actually, the current "connect" signatures aren't very good. = Ideally, > >> mirage-block-xen's connect function would take a XenStore argument, > >> for example, rather than fishing one out of the environment. > >> > >>> It would be great to clarify these points before I move ahead with = the > >>> implementation. > >>> > >>> Thanks, > >>> > >>> Rupert > >> > >> > >> -- > >> Dr Thomas Leonard http://roscidus.com/blog/ = > >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > >=20 >=20 >=20 > -- > Dr Thomas Leonard http://roscidus.com/blog/ = > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >=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=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
This is similar to the existing = mirage/mirage-flow repo, only for `BLOCK`.

Let me know what you = think!

That's = very useful. Would also useful be useful if we have unit-tests functors = that BLOCK implementation can instantiate to check that they are = correct. Haven't done that for mirage-flow, but that would be = nice.

Thomas


Cheers,
Dave

On Sat, Oct 17, 2015 at 12:33 PM, Thomas Leonard = <talex5@gmail.com> wrote:
On 17 = October 2015 at 12:24, Rupert Horlick <rh572@cam.ac.uk> = wrote:
> Okay, great.
>
> You=E2=80=99re right. So I should leave the connection to the = generated main.ml and even have it connect to my device there as = well, passing my implementation through to the start method in the = Unikernel.

Eventually, yes. For testing, I'd suggest your test unikernel = should
take a plain block device and pass it to ORAM.connect manually. Then
update the mirage tool with ORAM support at the end.

> Thanks for the help,
>
> Rupert
>
>> On 17 Oct 2015, at 12:17, Thomas Leonard <talex5@gmail.com> = wrote:
>>
>> On 17 October 2015 at 11:58, Rupert Horlick <rh572@cam.ac.uk> = wrote:
>>> Hi all,
>>>
>>> I am currently working on building a functor which takes a = V1.BLOCK
>>> implementation and creates a new BLOCK implementation, with = ORAM
>>> capabilities.
>>>
>>> I=E2=80=99ve been looking through the APIs and I had a = couple of questions about the
>>> structure of things:
>>>
>>> Is there any specific reason why mirage-block-unix and = mirage-block-xen both
>>> implement V1.BLOCK and add types themselves, rather than = implementing
>>> V1.BLOCK_LWT?
>>
>> I don't think so. It does the same thing (apart from also = defining the
>> deprecated "id" type, which could be removed now).
= >>
>>> Both implementations have a =E2=80=9Cconnect" method of = type "string -> [`Ok of t |
>>> `Error of error] io=E2=80=9D, is there a reason why this is = not part of the BLOCK
>>> signature? It would be nice to be able to rely on the = implementation having
>>> this method.
>>
>> What do you need it for? You should be able to define your own = connect
>> method that takes an instance of the underlying block device = and wraps
>> it with your type. You shouldn't need to call the underlying = device's
>> connect method yourself (and different devices will require = different
>> arguments).
>>
>> Actually, the current "connect" signatures aren't very good. = Ideally,
>> mirage-block-xen's connect function would take a XenStore = argument,
>> for example, rather than fishing one out of the environment.
>>
>>> It would be great to clarify these points before I move = ahead with the
>>> implementation.
>>>
>>> Thanks,
>>>
>>> Rupert
>>
>>
>> --
>> Dr Thomas Leonard        http://roscidus.com/blog/
>> GPG: DA98 25AE CAD0 8975 7CDA  BD8E 0713 3F96 CA74 D8BA
>



--
Dr Thomas Leonard        http://roscidus.com/blog/
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-d= evel



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

= --Apple-Mail=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A-- --===============3800911221891063164== 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 --===============3800911221891063164==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 29 17:37:36 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Oct 2015 17:37:36 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrr8p-0002yX-NO; Thu, 29 Oct 2015 17:37:35 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zrr8o-0002yN-0P for mirageos-devel@lists.xenproject.org; Thu, 29 Oct 2015 17:37:34 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id 25/A9-12889-D5952365; Thu, 29 Oct 2015 17:37:33 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-4.tower-27.messagelabs.com!1446140251!17807776!1 X-Originating-IP: [209.85.212.179] X-SpamReason: No, hits=0.9 required=7.0 tests=HTML_40_50,HTML_MESSAGE, MAILTO_TO_SPAM_ADDR X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 3235 invoked from network); 29 Oct 2015 17:37:31 -0000 Received: from mail-wi0-f179.google.com (HELO mail-wi0-f179.google.com) (209.85.212.179) by server-4.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 29 Oct 2015 17:37:31 -0000 Received: by wikq8 with SMTP id q8so291644820wik.1 for ; Thu, 29 Oct 2015 10:37:31 -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 :message-id:references:to; bh=cP3sj42vvJuXNx1Sg/kYgMXEYvD5fw96URCq+RwVL6U=; b=ulGnDhDKK3DqYvwLV7aWCZRv1pLkGMASbgkYWvPylMy6hFsWwCSWNNUbiSmKSnsy+U LLnq/tqYpCeH7WryS36+LYf1dwQnnc2M6yuuS3rfymdtm8ba68ormYfBo10Xp6Xk10oJ kUeji55DvR5cCKkkhO7WfXecoMs+NWvWLd10Sr2In2pHGB0rbQN5trvi1Uxjm5L0VxEF xZkxowL0Aa2r+wzALUastJN7PcV3e4PhwYMGTCGsoRPnHZnM7IHWfsdSrJlfbVSE/MmU 7A1eyyBpi8vKAKkS7BEAa/NWjWLYHEW2iuTJQR4fyg9d7jzSuppvNg264M3vX3Ieu5Uq GGzA== X-Received: by 10.194.23.228 with SMTP id p4mr4021817wjf.151.1446140251081; Thu, 29 Oct 2015 10:37:31 -0700 (PDT) Received: from dhcp-10-248-170-56.eduroam.wireless.private.cam.ac.uk (global-5-150.nat-2.net.cam.ac.uk. [131.111.5.150]) by smtp.gmail.com with ESMTPSA id ju5sm2878638wjc.1.2015.10.29.10.37.29 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 29 Oct 2015 10:37:29 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) From: Thomas Gazagnaire In-Reply-To: Date: Thu, 29 Oct 2015 17:37:28 +0000 Message-Id: <956D48D3-C742-4514-8A8D-064CF7E57318@gazagnaire.org> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> To: David Scott X-Mailer: Apple Mail (2.2104) Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============3800911221891063164==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============3800911221891063164== Content-Type: multipart/alternative; boundary="Apple-Mail=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A" --Apple-Mail=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > This is similar to the existing mirage/mirage-flow repo, only for = `BLOCK`. >=20 > Let me know what you think! That's very useful. Would also useful be useful if we have unit-tests = functors that BLOCK implementation can instantiate to check that they = are correct. Haven't done that for mirage-flow, but that would be nice. Thomas >=20 > Cheers, > Dave >=20 > On Sat, Oct 17, 2015 at 12:33 PM, Thomas Leonard > wrote: > On 17 October 2015 at 12:24, Rupert Horlick > wrote: > > Okay, great. > > > > You=E2=80=99re right. So I should leave the connection to the = generated main.ml and even have it connect to my = device there as well, passing my implementation through to the start = method in the Unikernel. >=20 > Eventually, yes. For testing, I'd suggest your test unikernel should > take a plain block device and pass it to ORAM.connect manually. Then > update the mirage tool with ORAM support at the end. >=20 > > Thanks for the help, > > > > Rupert > > > >> On 17 Oct 2015, at 12:17, Thomas Leonard > wrote: > >> > >> On 17 October 2015 at 11:58, Rupert Horlick > wrote: > >>> Hi all, > >>> > >>> I am currently working on building a functor which takes a = V1.BLOCK > >>> implementation and creates a new BLOCK implementation, with ORAM > >>> capabilities. > >>> > >>> I=E2=80=99ve been looking through the APIs and I had a couple of = questions about the > >>> structure of things: > >>> > >>> Is there any specific reason why mirage-block-unix and = mirage-block-xen both > >>> implement V1.BLOCK and add types themselves, rather than = implementing > >>> V1.BLOCK_LWT? > >> > >> I don't think so. It does the same thing (apart from also defining = the > >> deprecated "id" type, which could be removed now). > >> > >>> Both implementations have a =E2=80=9Cconnect" method of type = "string -> [`Ok of t | > >>> `Error of error] io=E2=80=9D, is there a reason why this is not = part of the BLOCK > >>> signature? It would be nice to be able to rely on the = implementation having > >>> this method. > >> > >> What do you need it for? You should be able to define your own = connect > >> method that takes an instance of the underlying block device and = wraps > >> it with your type. You shouldn't need to call the underlying = device's > >> connect method yourself (and different devices will require = different > >> arguments). > >> > >> Actually, the current "connect" signatures aren't very good. = Ideally, > >> mirage-block-xen's connect function would take a XenStore argument, > >> for example, rather than fishing one out of the environment. > >> > >>> It would be great to clarify these points before I move ahead with = the > >>> implementation. > >>> > >>> Thanks, > >>> > >>> Rupert > >> > >> > >> -- > >> Dr Thomas Leonard http://roscidus.com/blog/ = > >> GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA > > >=20 >=20 >=20 > -- > Dr Thomas Leonard http://roscidus.com/blog/ = > GPG: DA98 25AE CAD0 8975 7CDA BD8E 0713 3F96 CA74 D8BA >=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=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
This is similar to the existing = mirage/mirage-flow repo, only for `BLOCK`.

Let me know what you = think!

That's = very useful. Would also useful be useful if we have unit-tests functors = that BLOCK implementation can instantiate to check that they are = correct. Haven't done that for mirage-flow, but that would be = nice.

Thomas


Cheers,
Dave

On Sat, Oct 17, 2015 at 12:33 PM, Thomas Leonard = <talex5@gmail.com> wrote:
On 17 = October 2015 at 12:24, Rupert Horlick <rh572@cam.ac.uk> = wrote:
> Okay, great.
>
> You=E2=80=99re right. So I should leave the connection to the = generated main.ml and even have it connect to my device there as = well, passing my implementation through to the start method in the = Unikernel.

Eventually, yes. For testing, I'd suggest your test unikernel = should
take a plain block device and pass it to ORAM.connect manually. Then
update the mirage tool with ORAM support at the end.

> Thanks for the help,
>
> Rupert
>
>> On 17 Oct 2015, at 12:17, Thomas Leonard <talex5@gmail.com> = wrote:
>>
>> On 17 October 2015 at 11:58, Rupert Horlick <rh572@cam.ac.uk> = wrote:
>>> Hi all,
>>>
>>> I am currently working on building a functor which takes a = V1.BLOCK
>>> implementation and creates a new BLOCK implementation, with = ORAM
>>> capabilities.
>>>
>>> I=E2=80=99ve been looking through the APIs and I had a = couple of questions about the
>>> structure of things:
>>>
>>> Is there any specific reason why mirage-block-unix and = mirage-block-xen both
>>> implement V1.BLOCK and add types themselves, rather than = implementing
>>> V1.BLOCK_LWT?
>>
>> I don't think so. It does the same thing (apart from also = defining the
>> deprecated "id" type, which could be removed now).
= >>
>>> Both implementations have a =E2=80=9Cconnect" method of = type "string -> [`Ok of t |
>>> `Error of error] io=E2=80=9D, is there a reason why this is = not part of the BLOCK
>>> signature? It would be nice to be able to rely on the = implementation having
>>> this method.
>>
>> What do you need it for? You should be able to define your own = connect
>> method that takes an instance of the underlying block device = and wraps
>> it with your type. You shouldn't need to call the underlying = device's
>> connect method yourself (and different devices will require = different
>> arguments).
>>
>> Actually, the current "connect" signatures aren't very good. = Ideally,
>> mirage-block-xen's connect function would take a XenStore = argument,
>> for example, rather than fishing one out of the environment.
>>
>>> It would be great to clarify these points before I move = ahead with the
>>> implementation.
>>>
>>> Thanks,
>>>
>>> Rupert
>>
>>
>> --
>> Dr Thomas Leonard        http://roscidus.com/blog/
>> GPG: DA98 25AE CAD0 8975 7CDA  BD8E 0713 3F96 CA74 D8BA
>



--
Dr Thomas Leonard        http://roscidus.com/blog/
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-d= evel



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

= --Apple-Mail=_ED42E24D-348F-4DF0-8332-E5B4F9A2E18A-- --===============3800911221891063164== 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 --===============3800911221891063164==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 29 17:41:26 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Oct 2015 17:41:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrrCY-00031R-3t; Thu, 29 Oct 2015 17:41:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrrCX-00031M-9j for mirageos-devel@lists.xenproject.org; Thu, 29 Oct 2015 17:41:25 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id DA/DD-12889-44A52365; Thu, 29 Oct 2015 17:41:24 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-27.messagelabs.com!1446140483!43933674!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_60_70,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15953 invoked from network); 29 Oct 2015 17:41:23 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-15.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 29 Oct 2015 17:41:23 -0000 Received: by bark.recoil.org (OpenSMTPD) with ESMTPSA id df86ba8f TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 29 Oct 2015 17:41:21 +0000 (GMT) Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) From: Anil Madhavapeddy In-Reply-To: <956D48D3-C742-4514-8A8D-064CF7E57318@gazagnaire.org> Date: Thu, 29 Oct 2015 17:41:21 +0000 Message-Id: <2D0467AF-3171-42F7-B768-4A2AE64EF79F@recoil.org> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> <956D48D3-C742-4514-8A8D-064CF7E57318@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.3096.5) Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6481734019896319648==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6481734019896319648== Content-Type: multipart/alternative; boundary="Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F" --Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 29 Oct 2015, at 17:37, Thomas Gazagnaire = wrote: >=20 >> This is similar to the existing mirage/mirage-flow repo, only for = `BLOCK`. >>=20 >> Let me know what you think! >=20 > That's very useful. Would also useful be useful if we have unit-tests = functors that BLOCK implementation can instantiate to check that they = are correct. Haven't done that for mirage-flow, but that would be nice. That's a really good idea -- would the Core quickcheck come in handy = here? https://blogs.janestreet.com/quickcheck-for-core/ = Block devices are particularly amenable to simple fuzz testing, = especially if we had a Quickcheck module that applied the graph of BLOCK = functors in random permutations (via first-class modules). -anil --Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii On 29 Oct 2015, at 17:37, Thomas Gazagnaire <thomas@gazagnaire.org> wrote:

This is similar to the existing mirage/mirage-flow repo, only = for `BLOCK`.

Let= me know what you think!
That's very useful. Would also useful be useful if we = have unit-tests functors that BLOCK implementation can instantiate to = check that they are correct. Haven't done that for mirage-flow, but that = would be nice.

That's = a really good idea -- would the Core quickcheck come in handy = here?


Block devices are particularly amenable to = simple fuzz testing, especially if we had a Quickcheck module that = applied the graph of BLOCK functors in random permutations (via = first-class modules).

-anil

= --Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F-- --===============6481734019896319648== 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 --===============6481734019896319648==-- From mirageos-devel-bounces@lists.xenproject.org Thu Oct 29 17:41:26 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Thu, 29 Oct 2015 17:41:26 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrrCY-00031R-3t; Thu, 29 Oct 2015 17:41:26 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZrrCX-00031M-9j for mirageos-devel@lists.xenproject.org; Thu, 29 Oct 2015 17:41:25 +0000 Received: from [193.109.254.147] by server-2.bemta-14.messagelabs.com id DA/DD-12889-44A52365; Thu, 29 Oct 2015 17:41:24 +0000 X-Env-Sender: anil@recoil.org X-Msg-Ref: server-15.tower-27.messagelabs.com!1446140483!43933674!1 X-Originating-IP: [5.153.225.51] X-SpamReason: No, hits=0.5 required=7.0 tests=HTML_60_70,HTML_MESSAGE, RCVD_ILLEGAL_IP X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 15953 invoked from network); 29 Oct 2015 17:41:23 -0000 Received: from bark.recoil.org (HELO bark.recoil.org) (5.153.225.51) by server-15.tower-27.messagelabs.com with DHE-RSA-AES256-SHA encrypted SMTP; 29 Oct 2015 17:41:23 -0000 Received: by bark.recoil.org (OpenSMTPD) with ESMTPSA id df86ba8f TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NO; Thu, 29 Oct 2015 17:41:21 +0000 (GMT) Mime-Version: 1.0 (Mac OS X Mail 9.1 \(3096.5\)) From: Anil Madhavapeddy In-Reply-To: <956D48D3-C742-4514-8A8D-064CF7E57318@gazagnaire.org> Date: Thu, 29 Oct 2015 17:41:21 +0000 Message-Id: <2D0467AF-3171-42F7-B768-4A2AE64EF79F@recoil.org> References: <419A1082-6581-4443-9BFA-B23606CA041F@cam.ac.uk> <956D48D3-C742-4514-8A8D-064CF7E57318@gazagnaire.org> To: Thomas Gazagnaire X-Mailer: Apple Mail (2.3096.5) Cc: Rupert Horlick , "mirageos-devel@lists.xenproject.org" Subject: Re: [MirageOS-devel] BLOCK APIs X-BeenThere: mirageos-devel@lists.xenproject.org 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="===============6481734019896319648==" Sender: mirageos-devel-bounces@lists.xenproject.org Errors-To: mirageos-devel-bounces@lists.xenproject.org --===============6481734019896319648== Content-Type: multipart/alternative; boundary="Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F" --Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 29 Oct 2015, at 17:37, Thomas Gazagnaire = wrote: >=20 >> This is similar to the existing mirage/mirage-flow repo, only for = `BLOCK`. >>=20 >> Let me know what you think! >=20 > That's very useful. Would also useful be useful if we have unit-tests = functors that BLOCK implementation can instantiate to check that they = are correct. Haven't done that for mirage-flow, but that would be nice. That's a really good idea -- would the Core quickcheck come in handy = here? https://blogs.janestreet.com/quickcheck-for-core/ = Block devices are particularly amenable to simple fuzz testing, = especially if we had a Quickcheck module that applied the graph of BLOCK = functors in random permutations (via first-class modules). -anil --Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii On 29 Oct 2015, at 17:37, Thomas Gazagnaire <thomas@gazagnaire.org> wrote:

This is similar to the existing mirage/mirage-flow repo, only = for `BLOCK`.

Let= me know what you think!
That's very useful. Would also useful be useful if we = have unit-tests functors that BLOCK implementation can instantiate to = check that they are correct. Haven't done that for mirage-flow, but that = would be nice.

That's = a really good idea -- would the Core quickcheck come in handy = here?


Block devices are particularly amenable to = simple fuzz testing, especially if we had a Quickcheck module that = applied the graph of BLOCK functors in random permutations (via = first-class modules).

-anil

= --Apple-Mail=_4852CF28-0173-409B-BA9C-AED82F18392F-- --===============6481734019896319648== 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 --===============6481734019896319648==-- From mirageos-devel-bounces@lists.xenproject.org Sat Oct 31 01:20:21 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 31 Oct 2015 01:20:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZsKq3-00058z-2I; Sat, 31 Oct 2015 01:20:11 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZsKq1-00058u-Eo for mirageos-devel@lists.xenproject.org; Sat, 31 Oct 2015 01:20:09 +0000 Received: from [193.109.254.147] by server-16.bemta-14.messagelabs.com id 19/B4-05427-84714365; Sat, 31 Oct 2015 01:20:08 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-9.tower-27.messagelabs.com!1446254407!63079340!1 X-Originating-IP: [74.125.82.54] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5936 invoked from network); 31 Oct 2015 01:20:07 -0000 Received: from mail-wm0-f54.google.com (HELO mail-wm0-f54.google.com) (74.125.82.54) by server-9.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 31 Oct 2015 01:20:07 -0000 Received: by wmec75 with SMTP id c75so23808936wme.1 for ; Fri, 30 Oct 2015 18:20:07 -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=OvDE49RVogJW6gJZQNYX5mhj7HKssijEj1Bw+k5fn6c=; b=uWMe83gIExlXxE54q4RQ4Cp0CFJqCndv4ChpDkAWQZ5aVGbGSCYBSQqT2BZ733twfI Iz3sr9kUzQG2CvUVvuoUb3EppUUQRZpUIwSoaQ6/FjNILORBSH85eKrDMzki6utPanIy AuEgDJ+mVDceC43oJXsXqB87CJYX7mWSjDT7KrDzcVYSvvY0ZChX9VofT3onF80QW4pt ZxWMLs99DHg4oWawbAlz8PF6aWDHhqC/sCrxq3lPdLybmkhyOZZQueykl8BmefEi2hBY wV/88s+7s41GRBEu9KygkZsqen3Fw8GJ2fwAjCkzf7IKxrpPvndYSRU6XpA709rTORIe KO7Q== X-Received: by 10.28.93.20 with SMTP id r20mr1086787wmb.101.1446254407236; Fri, 30 Oct 2015 18:20:07 -0700 (PDT) Received: from [192.168.1.44] (car06-8-83-155-104-81.fbx.proxad.net. [83.155.104.81]) by smtp.gmail.com with ESMTPSA id t2sm5462882wme.0.2015.10.30.18.20.05 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 30 Oct 2015 18:20:05 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <7CDE92B4-DD31-4038-BFCC-5F84B85F04BB@gazagnaire.org> Date: Sat, 31 Oct 2015 02:20:04 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Testing the next release of 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 Hi all, We are preparing the next release of the mirage tool, which will bring nice enhancement on configuration and runtime command-line parameters developed by Gabriel Radanne this summer. If you want to test it you can do: opam pin add functoria https://github.com/mirage/functoria.git opam pin add mirage --dev then you can test the result on the functoria branch of Drup's mirage-skeleton: git clone -b functoria https://github.com/Drup/mirage-skeleton.git cd mirage-skeleton/network mirage describe mirage configure --help # see the configuration time options make ./mir-network --help # see the runtime options You can play with the command-line options and see how the command-time options can influence the presence and default values of runtime options. Early feedback (good or bad :p) is much appreciated! Enjoy, Thomas, on behalf on the merry MirageOS crew _______________________________________________ MirageOS-devel 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 Oct 31 01:20:21 2015 Return-path: Envelope-to: archives@lists.xenproject.org Delivery-date: Sat, 31 Oct 2015 01:20:21 +0000 Received: from localhost ([127.0.0.1] helo=lists.xen.org) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZsKq3-00058z-2I; Sat, 31 Oct 2015 01:20:11 +0000 Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1ZsKq1-00058u-Eo for mirageos-devel@lists.xenproject.org; Sat, 31 Oct 2015 01:20:09 +0000 Received: from [193.109.254.147] by server-16.bemta-14.messagelabs.com id 19/B4-05427-84714365; Sat, 31 Oct 2015 01:20:08 +0000 X-Env-Sender: thomas.gazagnaire@gmail.com X-Msg-Ref: server-9.tower-27.messagelabs.com!1446254407!63079340!1 X-Originating-IP: [74.125.82.54] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 6.13.16; banners=-,-,- X-VirusChecked: Checked Received: (qmail 5936 invoked from network); 31 Oct 2015 01:20:07 -0000 Received: from mail-wm0-f54.google.com (HELO mail-wm0-f54.google.com) (74.125.82.54) by server-9.tower-27.messagelabs.com with RC4-SHA encrypted SMTP; 31 Oct 2015 01:20:07 -0000 Received: by wmec75 with SMTP id c75so23808936wme.1 for ; Fri, 30 Oct 2015 18:20:07 -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=OvDE49RVogJW6gJZQNYX5mhj7HKssijEj1Bw+k5fn6c=; b=uWMe83gIExlXxE54q4RQ4Cp0CFJqCndv4ChpDkAWQZ5aVGbGSCYBSQqT2BZ733twfI Iz3sr9kUzQG2CvUVvuoUb3EppUUQRZpUIwSoaQ6/FjNILORBSH85eKrDMzki6utPanIy AuEgDJ+mVDceC43oJXsXqB87CJYX7mWSjDT7KrDzcVYSvvY0ZChX9VofT3onF80QW4pt ZxWMLs99DHg4oWawbAlz8PF6aWDHhqC/sCrxq3lPdLybmkhyOZZQueykl8BmefEi2hBY wV/88s+7s41GRBEu9KygkZsqen3Fw8GJ2fwAjCkzf7IKxrpPvndYSRU6XpA709rTORIe KO7Q== X-Received: by 10.28.93.20 with SMTP id r20mr1086787wmb.101.1446254407236; Fri, 30 Oct 2015 18:20:07 -0700 (PDT) Received: from [192.168.1.44] (car06-8-83-155-104-81.fbx.proxad.net. [83.155.104.81]) by smtp.gmail.com with ESMTPSA id t2sm5462882wme.0.2015.10.30.18.20.05 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 30 Oct 2015 18:20:05 -0700 (PDT) From: Thomas Gazagnaire Message-Id: <7CDE92B4-DD31-4038-BFCC-5F84B85F04BB@gazagnaire.org> Date: Sat, 31 Oct 2015 02:20:04 +0100 To: mirageos-devel Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2104\)) X-Mailer: Apple Mail (2.2104) Subject: [MirageOS-devel] Testing the next release of 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 Hi all, We are preparing the next release of the mirage tool, which will bring nice enhancement on configuration and runtime command-line parameters developed by Gabriel Radanne this summer. If you want to test it you can do: opam pin add functoria https://github.com/mirage/functoria.git opam pin add mirage --dev then you can test the result on the functoria branch of Drup's mirage-skeleton: git clone -b functoria https://github.com/Drup/mirage-skeleton.git cd mirage-skeleton/network mirage describe mirage configure --help # see the configuration time options make ./mir-network --help # see the runtime options You can play with the command-line options and see how the command-time options can influence the presence and default values of runtime options. Early feedback (good or bad :p) is much appreciated! Enjoy, Thomas, on behalf on the merry MirageOS crew _______________________________________________ MirageOS-devel mailing list MirageOS-devel@lists.xenproject.org http://lists.xenproject.org/cgi-bin/mailman/listinfo/mirageos-devel