From xen-users-bounces@lists.xenproject.org Wed Oct 03 03:07:27 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 03 Oct 2018 03:07:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7XUG-00025h-CA; Wed, 03 Oct 2018 03:06:08 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7XUF-00025c-CM for xen-users@lists.xenproject.org; Wed, 03 Oct 2018 03:06:07 +0000 X-Inumbo-ID: eeec3bd1-c6b8-11e8-a8a5-bc764e045a96 Received: from mail-lj1-x236.google.com (unknown [2a00:1450:4864:20::236]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id eeec3bd1-c6b8-11e8-a8a5-bc764e045a96; Wed, 03 Oct 2018 05:03:43 +0200 (CEST) Received: by mail-lj1-x236.google.com with SMTP id 203-v6so3642041ljj.13 for ; Tue, 02 Oct 2018 20:06:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=G0e9j4x8IEQdCbZH3is/272JMSp8DnGuUbaPDOUDDq4=; b=qRwhcAbQgpUzEcfilvfzxG6Ds3uLKLilTwtSnRz/C+OyioXnteybrbDRF5/iLAOPW4 EVmgkSE77reSnZkwAf4mMPVyTmYqexEOgb1DVtVkoc1295n9eASCvTRALTjHRYfrLuMA FiE+9jpyfbekC3r+2NfVPfK7n/Onaq32FsyDmomc8RkVEyLNHVduLgjoJNgY7mha41aW oWZL/JBFvBqZ2p9zwgzoAHN44POxby3Ssqzxw73tXvtqumugjoz/iM/eRZO933GasKDa hA65xh4+EsHZ2Pkb6FrGWGpxOJJVN4pHkLUIVVR/SaNnbN4kT5I/XIjLjMJ5y7/cOHez jnag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=G0e9j4x8IEQdCbZH3is/272JMSp8DnGuUbaPDOUDDq4=; b=roGcXDoye1OQy6s4t03UsAas+4orkRPDRnK0fGRmrYLTAZERi7KLC2V0Vk6Fded33r YZUn4yFgSJWzp7WK92D7QdRek0xACy/YNRi//GTh/GwUs3v8AsDGqbb2v+6FrMr64wew YlkVnM1bkltUe3Si57jva7HoFJNN/Byh0L7k0UXsOoEd6rAllEMAM+98raA3ug5HE0gk qtNFc/s1HapLu0/TiO4Wj/cOk/oz5An+W7+Scc1IG828GxWeBY3aZwDvYBBdlm35j9gL EiXEbJmkF4OnDztsisTFG1b55sHL0600Y4uPSkPgBV+gYuLrapTXRw/Adq8ml+roeVxl dodg== X-Gm-Message-State: ABuFfohuBzeJzGH7BaCAo0/cUUTa4uZfL71K0hrAQ3Loy+nOkOBQnWP+ IpkurS/8uVwzgZChDZcL97gTQdvltzRaLRJLqD5saQ== X-Google-Smtp-Source: ACcGV62Fg3SIgRRVJzdHoWnFgTbARt2wEfhs5Zta++rHo4O/OfnfV5fA5eBQmeSEmG3zN/b8dDKDErpmFYF57mEq4j8= X-Received: by 2002:a2e:6a19:: with SMTP id f25-v6mr11081506ljc.50.1538535963298; Tue, 02 Oct 2018 20:06:03 -0700 (PDT) MIME-Version: 1.0 From: Duncan X Simpson Date: Tue, 2 Oct 2018 20:05:51 -0700 Message-ID: To: "xen-users@lists.xenproject.org" Subject: [Xen-users] Xen failing to create domain X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1419155418847447107==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============1419155418847447107== Content-Type: multipart/alternative; boundary="00000000000091142105774a51f5" --00000000000091142105774a51f5 Content-Type: text/plain; charset="UTF-8" I've been running a router in an HVM domU for a year or so, and it just failed on me. When I try to xl create /etc/xen/chr.hvm.cfg, I get: Parsing config from /etc/xen/chr.hvm.cfg libxl: error: libxl_dm.c:2339:device_model_spawn_outcome: Domain 2:domain 2 device model: spawn failed (rc=-3) libxl: error: libxl_create.c:1501:domcreate_devmodel_started: Domain 2:device model did not start: -3 libxl: error: libxl_dm.c:2453:kill_device_model: Device Model already exited libxl: error: libxl_domain.c:1003:libxl__destroy_domid: Domain 2:Non-existant domain libxl: error: libxl_domain.c:962:domain_destroy_callback: Domain 2:Unable to destroy guest libxl: error: libxl_domain.c:889:domain_destroy_cb: Domain 2:Destruction of domain failed I hadn't updated between when that happened and the last time I booted that domU. I tried updating my system (pacman -Syu), but no change. Any ideas? --00000000000091142105774a51f5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I've been running a router in an HVM domU for a year o= r so, and it just failed on me. When I try to xl create /etc/xen/chr.hvm.cf= g, I get:

Parsing config from /etc/xen/chr.hvm.cfg
libxl: error:= libxl_dm.c:2339:device_model_spawn_outcome: Domain 2:domain 2 device model= : spawn failed (rc=3D-3)
libxl: error: libxl_create.c:1501:domcreate_dev= model_started: Domain 2:device model did not start: -3
libxl: error: lib= xl_dm.c:2453:kill_device_model: Device Model already exited
libxl: error= : libxl_domain.c:1003:libxl__destroy_domid: Domain 2:Non-existant domainlibxl: error: libxl_domain.c:962:domain_destroy_callback: Domain 2:Unable = to destroy guest
libxl: error: libxl_domain.c:889:domain_destroy_cb: Dom= ain 2:Destruction of domain failed

I hadn'= t updated between when that happened and the last time I booted that domU. = I tried updating my system (pacman -Syu), but no change. Any ideas?
--00000000000091142105774a51f5-- --===============1419155418847447107== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============1419155418847447107==-- From xen-users-bounces@lists.xenproject.org Wed Oct 03 08:58:53 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 03 Oct 2018 08:58:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7cyI-000226-6L; Wed, 03 Oct 2018 08:57:30 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7cyH-000221-8p for xen-users@lists.xenproject.org; Wed, 03 Oct 2018 08:57:29 +0000 X-Inumbo-ID: 051c6f46-c6ea-11e8-a8a5-bc764e045a96 Received: from mail-qk1-x72e.google.com (unknown [2607:f8b0:4864:20::72e]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 051c6f46-c6ea-11e8-a8a5-bc764e045a96; 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Wed, 03 Oct 2018 01:57:27 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: George Dunlap Date: Wed, 3 Oct 2018 09:57:15 +0100 Message-ID: To: virtualdxs@gmail.com Subject: Re: [Xen-users] Xen failing to create domain X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" T24gV2VkLCBPY3QgMywgMjAxOCBhdCA0OjA3IEFNIER1bmNhbiBYIFNpbXBzb24gPHZpcnR1YWxk eHNAZ21haWwuY29tPiB3cm90ZToKPgo+IEkndmUgYmVlbiBydW5uaW5nIGEgcm91dGVyIGluIGFu IEhWTSBkb21VIGZvciBhIHllYXIgb3Igc28sIGFuZCBpdCBqdXN0IGZhaWxlZCBvbiBtZS4gV2hl biBJIHRyeSB0byB4bCBjcmVhdGUgL2V0Yy94ZW4vY2hyLmh2bS5jZmcsIEkgZ2V0Ogo+Cj4gUGFy c2luZyBjb25maWcgZnJvbSAvZXRjL3hlbi9jaHIuaHZtLmNmZwo+IGxpYnhsOiBlcnJvcjogbGli eGxfZG0uYzoyMzM5OmRldmljZV9tb2RlbF9zcGF3bl9vdXRjb21lOiBEb21haW4gMjpkb21haW4g MiBkZXZpY2UgbW9kZWw6IHNwYXduIGZhaWxlZCAocmM9LTMpCj4gbGlieGw6IGVycm9yOiBsaWJ4 bF9jcmVhdGUuYzoxNTAxOmRvbWNyZWF0ZV9kZXZtb2RlbF9zdGFydGVkOiBEb21haW4gMjpkZXZp Y2UgbW9kZWwgZGlkIG5vdCBzdGFydDogLTMKPiBsaWJ4bDogZXJyb3I6IGxpYnhsX2RtLmM6MjQ1 MzpraWxsX2RldmljZV9tb2RlbDogRGV2aWNlIE1vZGVsIGFscmVhZHkgZXhpdGVkCj4gbGlieGw6 IGVycm9yOiBsaWJ4bF9kb21haW4uYzoxMDAzOmxpYnhsX19kZXN0cm95X2RvbWlkOiBEb21haW4g MjpOb24tZXhpc3RhbnQgZG9tYWluCj4gbGlieGw6IGVycm9yOiBsaWJ4bF9kb21haW4uYzo5NjI6 ZG9tYWluX2Rlc3Ryb3lfY2FsbGJhY2s6IERvbWFpbiAyOlVuYWJsZSB0byBkZXN0cm95IGd1ZXN0 Cj4gbGlieGw6IGVycm9yOiBsaWJ4bF9kb21haW4uYzo4ODk6ZG9tYWluX2Rlc3Ryb3lfY2I6IERv bWFpbiAyOkRlc3RydWN0aW9uIG9mIGRvbWFpbiBmYWlsZWQKPgo+IEkgaGFkbid0IHVwZGF0ZWQg YmV0d2VlbiB3aGVuIHRoYXQgaGFwcGVuZWQgYW5kIHRoZSBsYXN0IHRpbWUgSSBib290ZWQgdGhh dCBkb21VLiBJIHRyaWVkIHVwZGF0aW5nIG15IHN5c3RlbSAocGFjbWFuIC1TeXUpLCBidXQgbm8g Y2hhbmdlLiBBbnkgaWRlYXM/CgpDYW4geW91IGF0dGFjaCB5b3VyIGNvbmZpZyBmaWxlLCBhbmQK L3Zhci9sb2cveGVuL3FlbXUtZG0tJHt2bm1hbWV9LmxvZz8gIChXaGVyZSAke3ZtbmFtZX0gaXMg dGhlIG5hbWUgb2YKeW91ciBWTSBvZiBjb3Vyc2UuKQoKRm9yIGdvb2QgbWVhc3VyZSwgY291bGQg eW91IGF0dGFjaCB0aGUgb3V0cHV0IG9mIGBkbWVzZ2AgYW5kIGB4bCBkbWVzZ2AgYXMgd2VsbD8K ClRoYW5rcy4KCiAtR2VvcmdlCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tdXNlcnMgbWFpbGluZyBsaXN0Clhlbi11c2Vyc0BsaXN0cy54ZW5wcm9q ZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVu LXVzZXJz From xen-users-bounces@lists.xenproject.org Wed Oct 03 15:29:01 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 03 Oct 2018 15:29:01 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7j3s-0008Qu-Gg; 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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=CcOWYvaFb0FBkRkfpPuTEDWNG8nszbQ6oZFqQQ3KuMI=; b=OJjewRSFVDGHeqCU4PgK/NcvbR7OSkcV79yK3U1bhkIeqSap3RRg/rIhZfydrE97AO 48uA9r6ahkx5A0xMnh64nD8NgzVbjgczHtHby3wT37YiGOYYBrA4paB77sAXqcscSwMQ vtf8r+h1jsUYNH7cWI3uxa2OYhEUSpA9Q/d5t2GqXhnqVuGGVf+zYmvUDGcaR4Bh23jy YXkZiaquD3hlDKhhXuzpOGsU3qoZfIZKX+8YyP/7EUN5LF1R0AV+8tjputRMYMZoEp4m ZbTZPuT5EttnsLQUATsL632clxG/K2ZlnzcwLG1Q0aK9p10aMby2xhiwMv0ueHv9PzEi zLfA== X-Gm-Message-State: ABuFfoiR/+ilGch36UZ2lnSRuWx8eECfcU4S84bp6MMd4mpi7UiYuR2K 8VvTooBbAEWN6+CsFfNz/07vH70DfvKXHjkTX+Y= X-Google-Smtp-Source: ACcGV60m9VJBWoc0yk7h9i72IQqlnoYL2WJv1GdFVQs+ZX83lvkj0YnP/ot6UQqeNo4KkkROk9a+RooHyysannaRCD0= X-Received: by 2002:a19:428f:: with SMTP id p137-v6mr1445030lfa.2.1538580456598; Wed, 03 Oct 2018 08:27:36 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Duncan X Simpson Date: Wed, 3 Oct 2018 08:27:25 -0700 Message-ID: To: George Dunlap Subject: Re: [Xen-users] Xen failing to create domain X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users Content-Type: multipart/mixed; boundary="===============3595000929615291431==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============3595000929615291431== Content-Type: multipart/alternative; boundary="00000000000092f488057754ad6c" --00000000000092f488057754ad6c Content-Type: text/plain; charset="UTF-8" That log file had the answer. I didn't even know that existed. /usr/lib/xen/bin/qemu-system-i386: error while loading shared libraries: libiscsi.so.7: cannot open shared object file: No such file or directory I updated libiscsi and now have libiscsi.so.8 instead. I just used downgrade to go back to libiscsi-1.17.0-2 and that fixed it. Although, why does it need iSCSI? I'm not using any iSCSI disks. Anyway, thank you very much! On Wed, Oct 3, 2018 at 1:57 AM George Dunlap wrote: > On Wed, Oct 3, 2018 at 4:07 AM Duncan X Simpson > wrote: > > > > I've been running a router in an HVM domU for a year or so, and it just > failed on me. When I try to xl create /etc/xen/chr.hvm.cfg, I get: > > > > Parsing config from /etc/xen/chr.hvm.cfg > > libxl: error: libxl_dm.c:2339:device_model_spawn_outcome: Domain > 2:domain 2 device model: spawn failed (rc=-3) > > libxl: error: libxl_create.c:1501:domcreate_devmodel_started: Domain > 2:device model did not start: -3 > > libxl: error: libxl_dm.c:2453:kill_device_model: Device Model already > exited > > libxl: error: libxl_domain.c:1003:libxl__destroy_domid: Domain > 2:Non-existant domain > > libxl: error: libxl_domain.c:962:domain_destroy_callback: Domain > 2:Unable to destroy guest > > libxl: error: libxl_domain.c:889:domain_destroy_cb: Domain 2:Destruction > of domain failed > > > > I hadn't updated between when that happened and the last time I booted > that domU. I tried updating my system (pacman -Syu), but no change. Any > ideas? > > Can you attach your config file, and > /var/log/xen/qemu-dm-${vnmame}.log? (Where ${vmname} is the name of > your VM of course.) > > For good measure, could you attach the output of `dmesg` and `xl dmesg` as > well? > > Thanks. > > -George > --00000000000092f488057754ad6c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
That log file had the answer. I didn't even know that = existed.

/usr/lib/xen/bin/qemu-system-i386: error while l= oading shared libraries: libiscsi.so.7: cannot open shared object file: No = such file or directory

I updated libiscsi an= d now have libiscsi.so.8 instead. I just used downgrade to go back to libis= csi-1.17.0-2 and that fixed it.
Although, why does it need iSCSI?= I'm not using any iSCSI disks.

Anyway, = thank you very much!

On Wed, Oct 3, 2018 at 1:57 AM George Dunlap <dunlapg@umich.edu> wrote:
On Wed, Oct 3, 2018 at 4:07 AM Duncan X Simpson <virtualdxs@gmail.com= > wrote:
>
> I've been running a router in an HVM domU for a year or so, and it= just failed on me. When I try to xl create /etc/xen/chr.hvm.cfg, I get: >
> Parsing config from /etc/xen/chr.hvm.cfg
> libxl: error: libxl_dm.c:2339:device_model_spawn_outcome: Domain 2:dom= ain 2 device model: spawn failed (rc=3D-3)
> libxl: error: libxl_create.c:1501:domcreate_devmodel_started: Domain 2= :device model did not start: -3
> libxl: error: libxl_dm.c:2453:kill_device_model: Device Model already = exited
> libxl: error: libxl_domain.c:1003:libxl__destroy_domid: Domain 2:Non-e= xistant domain
> libxl: error: libxl_domain.c:962:domain_destroy_callback: Domain 2:Una= ble to destroy guest
> libxl: error: libxl_domain.c:889:domain_destroy_cb: Domain 2:Destructi= on of domain failed
>
> I hadn't updated between when that happened and the last time I bo= oted that domU. I tried updating my system (pacman -Syu), but no change. An= y ideas?

Can you attach your config file, and
/var/log/xen/qemu-dm-${vnmame}.log?=C2=A0 (Where ${vmname} is the name of your VM of course.)

For good measure, could you attach the output of `dmesg` and `xl dmesg` as = well?

Thanks.

=C2=A0-George
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Wed, 03 Oct 2018 08:58:35 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: George Dunlap Date: Wed, 3 Oct 2018 16:58:23 +0100 Message-ID: To: virtualdxs@gmail.com Subject: Re: [Xen-users] Xen failing to create domain X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" T24gV2VkLCBPY3QgMywgMjAxOCBhdCA0OjI4IFBNIER1bmNhbiBYIFNpbXBzb24gPHZpcnR1YWxk eHNAZ21haWwuY29tPiB3cm90ZToKPgo+IFRoYXQgbG9nIGZpbGUgaGFkIHRoZSBhbnN3ZXIuIEkg ZGlkbid0IGV2ZW4ga25vdyB0aGF0IGV4aXN0ZWQuCj4KPiAvdXNyL2xpYi94ZW4vYmluL3FlbXUt c3lzdGVtLWkzODY6IGVycm9yIHdoaWxlIGxvYWRpbmcgc2hhcmVkIGxpYnJhcmllczogbGliaXNj c2kuc28uNzogY2Fubm90IG9wZW4gc2hhcmVkIG9iamVjdCBmaWxlOiBObyBzdWNoIGZpbGUgb3Ig ZGlyZWN0b3J5Cj4KPiBJIHVwZGF0ZWQgbGliaXNjc2kgYW5kIG5vdyBoYXZlIGxpYmlzY3NpLnNv LjggaW5zdGVhZC4gSSBqdXN0IHVzZWQgZG93bmdyYWRlIHRvIGdvIGJhY2sgdG8gbGliaXNjc2kt MS4xNy4wLTIgYW5kIHRoYXQgZml4ZWQgaXQuCgpHbGFkIHRvIGhlYXIgaXQhCgo+IEFsdGhvdWdo LCB3aHkgZG9lcyBpdCBuZWVkIGlTQ1NJPyBJJ20gbm90IHVzaW5nIGFueSBpU0NTSSBkaXNrcy4K CkhtbSAtLSBkaWQgeW91IGJ1aWxkIFhlbiB5b3Vyc2VsZiwgb3IgYXJlIHlvdSB1c2luZyBhIHBh Y2thZ2UgbWFuYWdlZApieSBwYWNtYW4gKHdoaWNoIGlzIEFyY2ggTGludXgsIEknbSBndWVzc2lu Zyk/CgogLUdlb3JnZQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KWGVuLXVzZXJzIG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5v cmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vy cw== From xen-users-bounces@lists.xenproject.org Wed Oct 03 16:00:59 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 03 Oct 2018 16:00:59 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7ja4-0003b5-41; 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boundary="===============1178493726109907189==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============1178493726109907189== Content-Type: multipart/alternative; boundary="00000000000089aba1057755246c" --00000000000089aba1057755246c Content-Type: text/plain; charset="UTF-8" I used the AUR package with some tweaking, so a bit of both. And yep, it's Arch. On Wed, Oct 3, 2018, 08:58 George Dunlap wrote: > On Wed, Oct 3, 2018 at 4:28 PM Duncan X Simpson > wrote: > > > > That log file had the answer. I didn't even know that existed. > > > > /usr/lib/xen/bin/qemu-system-i386: error while loading shared libraries: > libiscsi.so.7: cannot open shared object file: No such file or directory > > > > I updated libiscsi and now have libiscsi.so.8 instead. I just used > downgrade to go back to libiscsi-1.17.0-2 and that fixed it. > > Glad to hear it! > > > Although, why does it need iSCSI? I'm not using any iSCSI disks. > > Hmm -- did you build Xen yourself, or are you using a package managed > by pacman (which is Arch Linux, I'm guessing)? > > -George > --00000000000089aba1057755246c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I used the AUR package with some tweaking, so a bit of bot= h. And yep, it's Arch.

On Wed, Oct 3, 2018, 08:58 George Dunlap <dunlapg@umich.edu> wrote:
On Wed, Oct 3, 2018 at 4:28 PM Duncan X Si= mpson <virtual= dxs@gmail.com> wrote:
>
> That log file had the answer. I didn't even know that existed.
>
> /usr/lib/xen/bin/qemu-system-i386: error while loading shared librarie= s: libiscsi.so.7: cannot open shared object file: No such file or directory=
>
> I updated libiscsi and now have libiscsi.so.8 instead. I just used dow= ngrade to go back to libiscsi-1.17.0-2 and that fixed it.

Glad to hear it!

> Although, why does it need iSCSI? I'm not using any iSCSI disks.
Hmm -- did you build Xen yourself, or are you using a package managed
by pacman (which is Arch Linux, I'm guessing)?

=C2=A0-George
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Wed, 03 Oct 2018 09:18:20 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: George Dunlap Date: Wed, 3 Oct 2018 17:18:08 +0100 Message-ID: To: virtualdxs@gmail.com Subject: Re: [Xen-users] Xen failing to create domain X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" W0luIHhlbiBsaXN0cyB0aGUgc3RhbmRhcmQgaXMgdG8gcmVwbHkgaW4tbGluZSwgbm90IHRvcC1w b3N0Ll0KCk9uIFdlZCwgT2N0IDMsIDIwMTggYXQgNTowMSBQTSBEdW5jYW4gWCBTaW1wc29uIDx2 aXJ0dWFsZHhzQGdtYWlsLmNvbT4gd3JvdGU6Cj4KPiBJIHVzZWQgdGhlIEFVUiBwYWNrYWdlIHdp dGggc29tZSB0d2Vha2luZywgc28gYSBiaXQgb2YgYm90aC4gQW5kIHllcCwgaXQncyBBcmNoLgoK UmlnaHQgLS0gc28gdGhlIFhlbiBidWlsZCBpbnZvbHZlcyBjbG9uaW5nICYgYnVpbGRpbmcgcWVt dTsgYW5kIHFlbXUncwpoYWJpdCwgd2hlbiB5b3UgcnVuIC4vY29uZmlndXJlLCBpcyB0byBhdXRv bWF0aWNhbGx5IGVuYWJsZSBhbGwKZmVhdHVyZXMgZm9yIHdoaWNoIHRoZSByZXF1aXNpdGUgbGli cmFyaWVzIGV4aXN0LCB1bmxlc3MgZXhwbGljaXRseQpkaXNhYmxlZC4gIFByb2JhYmx5IHdoYXQg aGFwcGVuZWQgaXMgdGhhdCB3aGVuIHlvdSBkaWQgeW91ciBsb2NhbApidWlsZCwgdGhlIHFlbXUg YnVpbGQgc3lzdGVtIG5vdGljZWQgeW91IGhhZCBsaWJpc2NzaSBpbnN0YWxsZWQgYW5kCmVuYWJs ZWQgc29tZSByYW5kb20gZmVhdHVyZSB0aGF0IGxpbmtlZCBhZ2FpbnN0IGl0LgoKRGlkIHlvdSBt YWtlIGFuIGFjdHVhbCBwYWNrYWdlIHRoYXQgeW91IHRoZW4gaW5zdGFsbGVkIHdpdGggcGFjbWFu LCBvcgpqdXN0IGluc3RhbGwgWGVuIHNvbWUgb3RoZXIgd2F5PwoKSWYgeW91IG1hZGUgYSBwYWNr YWdlLCBJJ20gbm90IHN1cmUgd2h5IHBhY21hbiBkaWRuJ3Qgbm90aWNlIHRoZQpkZXBlbmRlbmN5 OyBidXQgeW91IG1heSB3YW50IHRvIHNlZSBhYm91dCBidWlsZGluZyB0aGUgcGFja2FnZSBpbiBh CmNocm9vdCBvciBzb21ldGhpbmcsIHdpdGggdGhlIG1pbmltdW0gbnVtYmVyIG9mIHBhY2thZ2Vz IGluc3RhbGxlZC4KCklmIHlvdSBpbnN0YWxsZWQgaXQgZGlyZWN0bHksIEknbSBhZnJhaWQgeW91 J3JlIGp1c3QgZ29pbmcgdG8gaGF2ZSB0bwpyZWNvbXBpbGUgYW5kIGluc3RhbGwgaXQgYWdhaW4g d2hlbmV2ZXIgYSBicmVha2luZyBsaWJyYXJ5IHVwZGF0ZQpoYXBwZW5zLiA6LSkKCiAtR2Vvcmdl CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tdXNl cnMgbWFpbGluZyBsaXN0Clhlbi11c2Vyc0BsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xp c3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLXVzZXJz From xen-users-bounces@lists.xenproject.org Wed Oct 03 16:29:22 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 03 Oct 2018 16:29:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7k1A-0005f4-1F; Wed, 03 Oct 2018 16:28:56 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g7k19-0005ez-6T for xen-users@lists.xenproject.org; Wed, 03 Oct 2018 16:28:55 +0000 X-Inumbo-ID: 14b22c5f-c729-11e8-a8a5-bc764e045a96 Received: from mail-lj1-x230.google.com (unknown [2a00:1450:4864:20::230]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 14b22c5f-c729-11e8-a8a5-bc764e045a96; Wed, 03 Oct 2018 18:26:29 +0200 (CEST) Received: by mail-lj1-x230.google.com with SMTP id u21-v6so5697457lja.8 for ; Wed, 03 Oct 2018 09:28:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=VhJQguHmzAYHa6LW435QYfbBK6NSgR190aRWdH+JknI=; b=eeoIbT38UAXd64SbKwDRm3p3j81IwSm8SuUrVM/XO8l/0CylQdlTGz2wsTf/TtsT1O rtAvHIZcYCWZvTWm8l4r2c6I7nV7av+ZpU+IY4/6mZ37eCJ14/SdzHSk+qhkgtyYocsp imy0yopQgi0dKcpryt9/IGztl6/vj5aI9thDkXwI7po7WWa7ZwcpYT7yxCuNVwBURW+W MnQ6rc6TTtCIvQ25Msg4bF/xOoz9ku8wBgUoN99/q01Tn85S4Q9bqHFjeX9XSuFXKe0N w+5VOH8eFv2P9TlQkhBxkrmLyd75nAC24BWXDYkDl3D7NcE6+vItNZ1/2b5N0msVsr4V vZ+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=VhJQguHmzAYHa6LW435QYfbBK6NSgR190aRWdH+JknI=; b=gsO7aod9+RFEVd0vJbr5H3fSUAKzT8fuFD20keo9CG9HezwmqRnJdHrZ28OYerCmIt mA26m0zZRqCzZJkMOfmDH3TUYb6eannSbKJa7RHQxcm5wpxF+uzuiioVEytx+rK/mhDQ ZVpU3DMshmjWFCsH1C1HbcJpyS8Kcl3R4pyut7c+xjyadz5+lZAdyyPlzEB9L/Bq99dE PfX+cC8I8HlnopCpgzXsUa3l07z43TiBSGnaJayPspf4l4rTNbkM5pXjhdpsrwE74MH4 qbTk1/qO9vOa0admmN98q02Al0ytukV2QHkV4Ipc1C/X0pTzhFFK+epUCr3HN5FTy2E0 HOGQ== X-Gm-Message-State: ABuFfoihdaoXWfYBBgh/RtgRDNoxK8T7myDOHd6T6p8PZBVOfQF17yX4 iAXZBHNjLRuWksO/lgQAB5T7BPdV5MtdfKR7qwg= X-Google-Smtp-Source: ACcGV61u9JmRazoP1zG/e+6DwR6JWR7dYtwBMf/Ejvl+8bxmliwVvYxCzHachlaY459c3DB8laHI4aIKZ0iuAE7O2TM= X-Received: by 2002:a2e:48d:: with SMTP id a13-v6mr1655663ljf.27.1538584131652; Wed, 03 Oct 2018 09:28:51 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Duncan X Simpson Date: Wed, 3 Oct 2018 09:28:39 -0700 Message-ID: To: George Dunlap Subject: Re: [Xen-users] Xen failing to create domain X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users Content-Type: multipart/mixed; boundary="===============4482986426778571674==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============4482986426778571674== Content-Type: multipart/alternative; boundary="0000000000009ffb0505775588f8" --0000000000009ffb0505775588f8 Content-Type: text/plain; charset="UTF-8" On Wed, Oct 3, 2018 at 9:18 AM George Dunlap wrote: > [In xen lists the standard is to reply in-line, not top-post.] > Sorry about that, Gmail makes it require a separate action to even see the previous email, let alone reply inline, so I don't even think about it. On Wed, Oct 3, 2018 at 5:01 PM Duncan X Simpson > wrote: > > > > I used the AUR package with some tweaking, so a bit of both. And yep, > it's Arch. > Right -- so the Xen build involves cloning & building qemu; and qemu's > habit, when you run ./configure, is to automatically enable all > features for which the requisite libraries exist, unless explicitly > disabled. Probably what happened is that when you did your local > build, the qemu build system noticed you had libiscsi installed and > enabled some random feature that linked against it. It seems the author of the PKGBUILD knew that it would do that and explicitly added a makedepends and a depends on libiscsi. Did you make an actual package that you then installed with pacman, or > just install Xen some other way? > The former. If you made a package, I'm not sure why pacman didn't notice the > dependency; but you may want to see about building the package in a > chroot or something, with the minimum number of packages installed. > Because the PKGBUILD (basically instructions that tell makepkg what to do and give it package metadata) depends on libiscsi, not libiscsi-1.17. I'm on an outdated version of Xen (4.9) anyway. I'm about to upgrade, but I'm taking a full backup first. We'll see what happens! If you installed it directly, I'm afraid you're just going to have to > recompile and install it again whenever a breaking library update > happens. :-) > > -George > --0000000000009ffb0505775588f8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Wed, Oct 3,= 2018 at 9:18 AM George Dunlap <dun= lapg@umich.edu> wrote:
[In x= en lists the standard is to reply in-line, not top-post.]
<= div>=C2=A0
Sorry about that, Gmail makes it require a separate ac= tion to even see the previous email, let alone reply inline, so I don't= even think about it.=C2=A0

On Wed, Oct 3, 2018 at 5:01 PM Duncan X Simpson <virtualdxs@gmail.com> wrote:
>
> I used the AUR package with some tweaking, so a bit of both. And yep, = it's Arch.
Right -- so the Xen build involves cloning & building qemu; and qemu= 9;s
habit, when you run ./configure, is to automatically enable all
features for which the requisite libraries exist, unless explicitly
disabled.=C2=A0 Probably what happened is that when you did your local
build, the qemu build system noticed you had libiscsi installed and
enabled some random feature that linked against it.=C2=A0
=
It seems the author of the PKGBUILD knew that it would do th= at and explicitly added a makedepends and a depends on libiscsi.
=
Did you make an actual package that you then installed with pacman, or
just install Xen some other way?

The fo= rmer.=C2=A0

If you made a package, I'm not sure why pacman didn't notice the dependency; but you may want to see about building the package in a
chroot or something, with the minimum number of packages installed.

Because the PKGBUILD (basically instructions t= hat tell makepkg what to do and give it package metadata) depends on libisc= si, not libiscsi-1.17. I'm on an outdated version of Xen (4.9) anyway. = I'm about to upgrade, but I'm taking a full backup first. We'll= see what happens!

If you installed it directly, I'm afraid you're just going to have = to
recompile and install it again whenever a breaking library update
happens. :-)

=C2=A0-George
--0000000000009ffb0505775588f8-- --===============4482986426778571674== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============4482986426778571674==-- From xen-users-bounces@lists.xenproject.org Thu Oct 04 13:08:02 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 04 Oct 2018 13:08:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g83LM-0008Hn-7p; Thu, 04 Oct 2018 13:07:04 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g83LL-0008Hg-EY for xen-users@lists.xenproject.org; Thu, 04 Oct 2018 13:07:03 +0000 X-Inumbo-ID: 0bd4c104-c7d6-11e8-a8a5-bc764e045a96 Received: from mail-it1-x12e.google.com (unknown [2607:f8b0:4864:20::12e]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 0bd4c104-c7d6-11e8-a8a5-bc764e045a96; Thu, 04 Oct 2018 15:04:37 +0200 (CEST) Received: by mail-it1-x12e.google.com with SMTP id 134-v6so12948331itz.2 for ; Thu, 04 Oct 2018 06:07:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pathpartnertech.com; s=google; h=mime-version:from:date:message-id:subject:to; bh=ydopiyZyrko76hjmE7cU1VgqW23gaps9JRG43Yw+K68=; b=H6B4Te/nOeTHy1uigMjlfEUm1S4vLf9JNG0edt12AHx/spJcEb5QQsqbJzvcBZhJOB O/DOmPcESYVPY2Cuw0LiFWpwkYMrPhY2XtIay1+mINl2qVL04OKdsifKRJu7L465EUOn ReKs8lBkHlbIthQJ0m9n3SrlknTw41JG6YQKcgknuVx0f1Pxc7lwporxV+KSgbjZJnRN fKuT6fvKoDjT5jgzkYq4qACHOMUCVW37gVrRm5e7sPMqu0rpDR21XFDLS0p4IUSZz30q gqiagWdiR4Dbupu89f4FEUTlF5+9t3XlAkjY1JWN0iOueJiCxfkSaEzuJzyByOmgipGo LRGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=ydopiyZyrko76hjmE7cU1VgqW23gaps9JRG43Yw+K68=; b=sSeOAaFgy97nYliji0svzQom/1ZTlqS2XyCNHcUBwAEgyVJFvva3S/tN3hktbCqoUK PW9FIU0UwNmiX/jVSz5Q6rU91bU53i7HTzEQojdRWD8zbSWPFQfAuopXTEy/gOmIU3Qx GkWZlQ9KBaeZdHEprYTQOCltsQltNsam6lfLyUSyOBy8IX2bn1PboyDI9Ws4T2s+ucSs 7JwTE/PpLEj8HzfcRdxbN2OwyvKQiwirDT0VYZznhRk16naHomXNi5kRVCfD0elugud3 aOywBcEp9/4La0YReHe8Chj8daApJYi/XSHkou6xW//XsZmSkSixJhe6QYIA0jXwIuEP tjGg== X-Gm-Message-State: ABuFfojRnC87W2S7QfilQpIJNa/rvGaOSunPiGUyMNjFqeqzJN+Wvhky m5lX3dbxnBOWeUWYlnuHLe8BKs3DtmsJI0L9LW9ZVNMKGlYWmN0zeylAJ1NeUMKzVQAZVpQ5mnE udWKvwHNbQNtmQQVoGBUfjgZsAeUddDO5mvar4T/a8g== X-Google-Smtp-Source: ACcGV61t60gQCu01VMbrAX9RhPJ3B3GgEsCnYjWzFbvnrTkCxY7VLLitkMwxdRFtYGwlKRB+GreEqAnCPRAaewAEtXI= X-Received: by 2002:a24:6882:: with SMTP id v124-v6mr4616439itb.124.1538658421095; Thu, 04 Oct 2018 06:07:01 -0700 (PDT) MIME-Version: 1.0 From: Vikram K Date: Thu, 4 Oct 2018 18:36:49 +0530 Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] [Xen-User][ARM]: IOMMU support on ARM X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1187973144416082831==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============1187973144416082831== Content-Type: multipart/alternative; boundary="0000000000009ee4b5057766d4d0" --0000000000009ee4b5057766d4d0 Content-Type: text/plain; charset="UTF-8" Hi, We are using Xen-4.8 on Hikey960. After running "xl dmesg" found the below log. *(XEN) I/O virtulisation disabled. * In case of x86 from the above log we can identify whether IOMMU is enabled or disabled. Does same apply to ARM? If yes, how to enable it? -- Thanks & Regards Vikram KS -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --0000000000009ee4b5057766d4d0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

We are using Xen-4.8 on = Hikey960. After running "xl dmesg"=C2=A0 found the below log.
(XEN) I/O virtulisation disabled.

<= /div>
In case of x86 from the above log we can identify whether IOMMU i= s enabled or disabled.
Does same apply to ARM? If yes, how to ena= ble it?

--
= Thanks & Regards
Vikram KS

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

--0000000000009ee4b5057766d4d0-- --===============1187973144416082831== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============1187973144416082831==-- From xen-users-bounces@lists.xenproject.org Thu Oct 04 13:17:02 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 04 Oct 2018 13:17:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g83Uk-0000pq-Jn; Thu, 04 Oct 2018 13:16:46 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g83Uj-0000pk-SX for xen-users@lists.xenproject.org; Thu, 04 Oct 2018 13:16:45 +0000 X-Inumbo-ID: 66e22862-c7d7-11e8-a8a5-bc764e045a96 Received: from mail-io1-xd36.google.com (unknown [2607:f8b0:4864:20::d36]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 66e22862-c7d7-11e8-a8a5-bc764e045a96; Thu, 04 Oct 2018 15:14:19 +0200 (CEST) Received: by mail-io1-xd36.google.com with SMTP id w2-v6so1603440ioc.1 for ; Thu, 04 Oct 2018 06:16:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pathpartnertech.com; s=google; h=mime-version:from:date:message-id:subject:to; bh=aYAoxmXIiSa3636G2to5rh4wXLIJef2Mj4J6kyHlTtc=; b=eXMFh1qpt14vdPkCom/eyzQsrsGxKGeUhsOBHt9I4MqoxuE1e4MumVnpE1QZ/C2PBq v7YmTgzGFeiUo2ueFgDoceWkA7H8aTVOJBISpQ3JgaUi9cQ51P0lgkNiAwV/UlhBJPzB Kzj1PZPBukG3fY3bIPkDiTIdzli+nwNDHeI69Q0fDdXHmPfC4gHVXqrSwml1bu7qJKeo RPl+iGAN9ZgzFsFq21FS00oMikjOMxS7gDs0vZh3KocJwTcpQOrxhsu2cAFcue6hMO9U SkjyZZjpS6ncOaAjFb7t5Z77H9Z+ZdHBloTkEEvahhYOaOMrRI3Fn7t8x5I4he9bNEWl Qjqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=aYAoxmXIiSa3636G2to5rh4wXLIJef2Mj4J6kyHlTtc=; b=qJSfo0y5Gq1fqxUB0+Px0Qe4X7lApHsYH3WkIEom46MPB45uTmjcip+3C8YLlXKxHf Toif9aOcUn5nPWm7StD3KwYe6SHFm+9FPKvNDW+Ad5iMz5GfUpXnm2XuZRyalDhPh+HB IQp7h6DBjrlxZ+DYFCyJmgVCi+IaKCXbQxPIadoZiMHNdCICmdb3Ol6ueHxfMsqt5Pea /U63Bvj0nt7Hyjx60gmFkbaQYR9dQGSI7PW3sLDlIYPF3jBosbBQ36Y7Xdhz4EAYNdbH n8rILLQsiWb7MP3SQYuVcz662jnx9dVmuje+2cJy5+WJ7QORerd7TyUnAUakuMwVVllV 2ekQ== X-Gm-Message-State: ABuFfojAMjr0FJEpsqHoOD1HC+EZIdrwG0uEc9AXLi9VzxZlNRGjEbB1 BiTvY4H8X+x3DbeQh9HJ5u85qANoCQupyLoHqNWLhjYo8Zaaq3Hntuyi3zUOs5C6Wnt/rkI89FI nn3BA71coULHzpzujJlnsfpBBcaQO7VCvygEst8aDFQ== X-Google-Smtp-Source: ACcGV612vbZds+Sjn9GSE3epg3w2OSh8OfENrslwoUAHX8Pqg9BkUqZ8US/iRMhjNgd9G5dfbiEvCF8dT22fGtDaLAI= X-Received: by 2002:a6b:ece:: with SMTP id 197-v6mr4328770ioo.192.1538659003457; Thu, 04 Oct 2018 06:16:43 -0700 (PDT) MIME-Version: 1.0 From: Vikram K Date: Thu, 4 Oct 2018 18:46:32 +0530 Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] [Xen-User][ARM] Display passthrough X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============8591397080954473570==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============8591397080954473570== Content-Type: multipart/alternative; boundary="000000000000554743057766f724" --000000000000554743057766f724 Content-Type: text/plain; charset="UTF-8" Hi, We want to passthrough the display to the guest OS.We are using Xen-4.8 and Hikey960. Is to possible to passthrough of display? If yes please provide some reference. -- Thanks -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --000000000000554743057766f724 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

We want to passthrough t= he display to the guest OS.We are using Xen-4.8 and Hikey960.
Is to possible to passthrough of display? If yes please provide some refe= rence.
--
Thanks
=

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

--000000000000554743057766f724-- --===============8591397080954473570== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============8591397080954473570==-- From xen-users-bounces@lists.xenproject.org Sun Oct 07 21:33:27 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Sun, 07 Oct 2018 21:33:27 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g9Geo-0007pB-OU; Sun, 07 Oct 2018 21:32:10 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1g9Gen-0007p6-2l for xen-users@lists.xenproject.org; Sun, 07 Oct 2018 21:32:09 +0000 X-Inumbo-ID: 9dd5c9ac-ca78-11e8-a6a9-d7ebe60f679a Received: from homiemail-a94.g.dreamhost.com (unknown [208.113.200.129]) by us1-amaz-eas1.inumbo.com (Halon) with ESMTPS id 9dd5c9ac-ca78-11e8-a6a9-d7ebe60f679a; Sun, 07 Oct 2018 21:33:23 +0000 (UTC) Received: from homiemail-a94.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a94.g.dreamhost.com (Postfix) with ESMTP id 820148019838 for ; Sun, 7 Oct 2018 14:32:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=qrpff.net; h=mime-version :from:date:message-id:subject:to:content-type; s=qrpff.net; bh=i otODz5IaNX7Yv5fb/br9MN54Q0=; b=ECDQOxRXrvnJ0d5Kal4X6NuiPWNAyNhRP 0MkXsMn4R6rBSBSPp4UNhhPMiBli1JLq09UZZWSyJ366RGPbH2Tk+zai46ewflnC flyF1U3avbCKCOixjPfgDfda4Int4qE0G2gKJhhwtDkiH6lVb5GlejcdtP7FM5vt g8pLbm8Kqk= Received: from mail-oi1-f172.google.com (mail-oi1-f172.google.com [209.85.167.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: stevie@qrpff.net) by homiemail-a94.g.dreamhost.com (Postfix) with ESMTPSA id 45B8D801981D for ; Sun, 7 Oct 2018 14:32:05 -0700 (PDT) Received: by mail-oi1-f172.google.com with SMTP id s69-v6so14319112oie.10 for ; Sun, 07 Oct 2018 14:32:05 -0700 (PDT) X-Gm-Message-State: ABuFfois2HrnFYkpiH1FazMOfQGHBVQ8yy5ITeXY8JlNM1KAdkya4pOc 6jbEa6hUzQPuXnX0dPTPABkEGLZc//wq2vAcm9Y= X-Google-Smtp-Source: ACcGV60bFJfesH74fqll/sIpG5U5N5NvUnnT2rPnBJfhyLVRwcPEficHE5mor6sCQmVUiWW1VOlTJM9IMT0gyZF5Ym0= X-Received: by 2002:aca:3c4:: with SMTP id 187-v6mr3589867oid.47.1538947924562; Sun, 07 Oct 2018 14:32:04 -0700 (PDT) MIME-Version: 1.0 From: Stephen Oberholtzer Date: Sun, 7 Oct 2018 17:31:52 -0400 X-Gmail-Original-Message-ID: Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] Xen 4.8, qemu 2.12.0 - Live CDs fail to boot from 64-bit kernels X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5304073990964099958==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============5304073990964099958== Content-Type: multipart/alternative; boundary="0000000000005f1b460577aa3c48" --0000000000005f1b460577aa3c48 Content-Type: text/plain; charset="UTF-8" Okay, I've been struggling with this for ages, and have enough data to come back here. * Xen 4.8 ('xl info' outputs 4.8.4-pre, but it's Debian version 4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9) * QEMU emulator version 2.12.0 (Debian 1:2.12+dfsg-3) Trying to boot a Knoppix or Debian Live ISO inside an HVM fails: CD-ROM emulation fails. What's extremely strange is that 32-bit kernels boot just fine, it's just 64-bit kernels that have a problem. Furthermore, the kernels don't exhibit this problem if I run qemu directly (no Xen acceleration). Having libata dump the IDENTIFY data had a most curious result: all zeroes. -- -- Stevie-O Real programmers use COPY CON PROGRAM.EXE --0000000000005f1b460577aa3c48 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Okay, I've been stru= ggling with this for ages, and have enough data to come back here.

=
* Xen 4.8 ('xl info' outputs 4.8.4-pre, but it's Deb= ian version=C2=A04.8.3+xsa267+shim4.10.1+xsa267-1+deb9u9)=C2=A0
*= QEMU emulator version 2.12.0 (Debian 1:2.12+dfsg-3)

Trying to boot a Knoppix or Debian Live ISO inside an HVM fails: CD-ROM = emulation fails.
What's extremely strange is that 32-bit kern= els boot just fine, it's just 64-bit kernels that have a problem.
=

Furthermore, the kernels don't exhibit this problem if I run q= emu directly (no Xen acceleration).

Having libata = dump the IDENTIFY data had a most curious result: all zeroes.

--
-- Stevie-OReal programmers use COPY CON PROGRAM.EXE

=
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ORIGINATING; auth=pass smtp.auth=jean-louis@dupond.be smtp.mailfrom=jean-louis@dupond.be Subject: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SGksCgpXZSBhcmUgaGl0dGluZyBzb21lIEkvTyBsaW1pdGF0aW9uIG9uIHNvbWUgb2Ygb3VyIFhl biBoeXBlcnZpc29ycy4KVGhlIGh5cGVydmlzb3JzIGFyZSBydW5uaW5nIENlbnRPUyA2IHdpdGgg WGVuIDQuNi42LTEyLmVsNiBhbmQgNC45LjEwNSsgCmtlcm5lbHMuCgpUaGUgaHlwZXJ2aXNvcnMg YXJlIGF0dGFjaGVkIHdpdGggMTBHIG5ldHdvcmsgdG8gdGhlIFNBTiBuZXR3b3JrLiBBbmQgCnRo ZXJlIGlzIG5vIGNvbmdlc3Rpb24gYXQgYWxsLgpTdG9yYWdlIGlzIGV4cG9ydGVkIHZpYSBpU0NT SSBhbmQgd2UgdXNlIG11bHRpcGF0aGQgZm9yIGZhaWxvdmVyLgpOb3cgd2Ugc2VlIGEgcGVyZm9y bWFuY2Ugb2YgKy0yMDBNQi9zZWMgd3JpdGUgc3BlZWQsIGJ1dCBvbmx5IGEgcG9vciAKMjAtMzBt Yi9zZWMgcmVhZCBzcGVlZCBvbiBhIExVTiBvbiB0aGUgU0FOLgpUaGlzIGlzIHdoaWxlIHRlc3Rp bmcgdGhpcyBvbiBkb20wLiBTYW1lIHNwZWVkcyBvbiBkb21VLgoKSWYgSSBkbyB0aGUgc2FtZSB0 ZXN0IG9uIGEgWGVuIDQuNC40LTM0LmVsNiBoeXBlcnZpc29yIHRvIHRoZSBzYW1lIExVTiAKKGJ1 dCBhdHRhY2hlZCB3aXRoIDFHKSwgSSBtYXggb3V0IHRoZSBsaW5rICgxMDBNQiByZWFkL3dyaXRl KS4KCk9uIHRoZSBzYW1lIHN0b3JhZ2UgbmV0d29yayB3ZSBhbHNvIGhhdmUgYSBiYXJlIG1ldGFs IG1hY2hpbmUsIGFuZCB0aGVyZSAKd2UgaGF2ZSA0MDAtNTAwTUIvc2VjIHJlYWQtd3JpdGUgcGVy Zm9ybWFuY2Ugb24gdGhlIHNhbWUgTFVOIQoKU28gaXQgcmVhbGx5IGxvb2tzIGxpa2UgdGhlIFhl biA0LjYgaHlwZXJ2aXNvcnMgYXJlIHJlYWNoaW5nIHNvbWUgCmJvdHRsZW5lY2suIEJ1dCB3ZSBj b3VsZG4ndCBsb2NhdGUgaXQgeWV0IDopClRoZSBoeXBlcnZpc29yJ3MgZG9tMCBoYXMgOCB2Q1BV IGFuZCA4R0IgUkFNLCB3aGljaCBzaG91bGQgYmUgcGxlbnR5IQoKCkFueXRoaW5nIHdlIGNvdWxk IHRyeSB0byBpbXByb3ZlIHRoZSBzcGVlZHM/CgpUaGFua3MKSmVhbi1Mb3VpcwoKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi11c2VycyBtYWlsaW5n IGxpc3QKWGVuLXVzZXJzQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJv amVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tdXNlcnM= From xen-users-bounces@lists.xenproject.org Thu Oct 11 09:15:17 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 11 Oct 2018 09:15:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gAX2g-0003fm-Oh; 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bh=WXtIkDMo0Ja0tyNkmVdw8+cFtJ0ARy8pB2+b/JY3zYk=; b=exCp4hrXsc/XU/mnLG0/sJXipSv0I669ldIQ4u9+Ovs96x0493qAH35BszDXGY83CvTlIa iJ9ZJcqbASEHvbREe0b6IOG2OHr44/Ou6nA5x70aoZ60EtLaS8ToIKXtIzKP2hfiRhL9/T 1LX+D+IMVvwAA5gHQmmffOjdehvl4Ud43XZFeBtu9hGU4rd6ajLA2Mz5NZJ9qKeVswweM2 pl1TheWUggpAjDYHhipzv4BavdpOQ1F4+nrJlvxL5EEV3Q32mpU7egzDrTviCz6s6PIrRC LYPkV1HMFqJ+WH4EV/RdvMlXVh1zuimpudnEwnwbrEpdHaqA8Wv7AS9JG1Td7g== From: Jean-Louis Dupond To: xen-users@lists.xenproject.org References: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> Message-ID: <8be749db-92d0-4c63-ea83-3f96b330a83b@dupond.be> Date: Thu, 11 Oct 2018 11:13:55 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> Content-Language: en-US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1539249236; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; 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Thu, 11 Oct 2018 09:18:24 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gAX6t-0003qZ-6p for xen-users@lists.xenproject.org; Thu, 11 Oct 2018 09:18:23 +0000 X-Inumbo-ID: c7fec56b-cd36-11e8-a6a9-d7ebe60f679a Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-amaz-eas1.inumbo.com (Halon) with ESMTPS id c7fec56b-cd36-11e8-a6a9-d7ebe60f679a; Thu, 11 Oct 2018 09:19:40 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id E3F0BB155; Thu, 11 Oct 2018 09:18:20 +0000 (UTC) Message-ID: <173a61217097d75e82009c24bc53236697481106.camel@suse.com> From: Dario Faggioli To: Jean-Louis Dupond , xen-users@lists.xenproject.org Date: Thu, 11 Oct 2018 11:18:16 +0200 In-Reply-To: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> References: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> Organization: SUSE X-Mailer: Evolution 3.28.5 Mime-Version: 1.0 Subject: Re: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Roger Pau Monne Content-Type: multipart/mixed; boundary="===============0745449050010157640==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0745449050010157640== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-52Sfg3Alq+VBfKxiIkCy" --=-52Sfg3Alq+VBfKxiIkCy Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable [Adding Roger] On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote: > Hi, >=20 > We are hitting some I/O limitation on some of our Xen hypervisors. > The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and > 4.9.105+=20 > kernels. >=20 > The hypervisors are attached with 10G network to the SAN network. > And=20 > there is no congestion at all. > Storage is exported via iSCSI and we use multipathd for failover. > Now we see a performance of +-200MB/sec write speed, but only a poor=20 > 20-30mb/sec read speed on a LUN on the SAN. > This is while testing this on dom0. Same speeds on domU. >=20 > If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same > LUN=20 > (but attached with 1G), I max out the link (100MB read/write). >=20 Right. But, if I've understood correctly, you're changing two things (I mean between the two tests), i.e., the hypervisor and the NIC. (BTW, is dom0 kernel the same, or does that also change?). This makes it harder to narrow things down to where the problem could be. What would be useful to see would be the results of running: - Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host, and compare this with Xen 4.6.6-12.el6, with the same kernel on the=20 same NIC / host; - Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host, and compare this with Xen 4.4.4-34.el6, with the same kernel on the same NIC / host. This will tell us, if there is a regression between Xen 4.4.x and Xen 4.6.x (as that is _the_only_ thing that varies). And this is assuming the versions of the dom0 kernels, and of all the other components involved are the same. If they're not, we need to go checking, changing one component at a time. > So it really looks like the Xen 4.6 hypervisors are reaching some=20 > bottleneck. But we couldn't locate it yet :) > There seems to be issues, but from the tests you've performed so far, I don't think we can conclude the problem is in Xen. And we need to know at least where the problem most likely is, in order to have any chance to find it! :-) > The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty! >=20 Probably. But, just in case, have you tried increasing, e.g., the number of dom0's vcpus? Is things like vcpu-pinning or similar features being used? Is the host a NUMA box? (Or, more generally, what are the characteristics of the host[s]?) Regards, Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Software Engineer @ SUSE https://www.suse.com/ --=-52Sfg3Alq+VBfKxiIkCy Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEES5ssOj3Vhr0WPnOLFkJ4iaW4c+4FAlu/FVgACgkQFkJ4iaW4 c+5hOhAAyHi/mo2A6v/54nhb9uioZj7wLheLAmNdOe31c9RQ29hc1noycmagVkkh Tysj4hscjaOjBvtJHel8CYQ9L6ZyIYjh0UMQ50ZHouJoIblCN4SwawEl6x+GpJuF uo34DJ2dHmj5sPpuke6cylaQOz4f5C8LvZZL0AZvjeNJiQbBFQ2Z0x4QWJ/5/g4P aj5kpJQnN/p4xJT9YwUkN7fvPXvtJWqsvp94nygbN3XOEEopvpEufELsR/uEQDKC XxObG2yWoCEJVBSGnEJBuJKQrtyYF3yv7+P0xjFcPNl8ilD9z2dq0J4fqNx+SkSX zX821bYr7LbhqxdmNfeAowUGMRK4MuCqpch8T0BAevc8G5G0XstesziycZQtkICA 0c1kEiBql/0TADJk3CWj0ka7ZU//BMAA67rIv9Z/QQc67aIxO/19oGhampB8iHsv i3VvU4P4OBVIkpN3I5J/x/mYl5zfcPahlNaxYXZf/uPvQf9IevjYQj80txNw34rU uyRn31hKqK7Z194GxAmTw4Ob+rf6dEHiZ3pv1ZXAtH5ST9PX9xmOHz649FY4JrJ8 Fd7hiUaG1dG54SxsWNOHrdtIRlrBLAdkyNTTbscaWq3NQPvQqJzxFhkcuEokieLT 3BsmXEv+xikdmU1ih2k9xKZn8SJC1UsSUy4tgCp1ASJaT6g9/Bw= =sAO/ -----END PGP SIGNATURE----- --=-52Sfg3Alq+VBfKxiIkCy-- --===============0745449050010157640== Content-Type: text/plain; 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Thu, 11 Oct 2018 17:12:36 +0200 (CEST) Received: from [IPv6:2a02:1807:1420:400:ec7b:2910:fc95:7f72] (unknown [IPv6:2a02:1807:1420:400:ec7b:2910:fc95:7f72]) by apollo.dupie.be (Postfix) with ESMTPSA id 760F533C024C; Thu, 11 Oct 2018 17:15:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1539270910; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=H5dhGz8XXFytZuPQ5XAa9xtZdvHRX5m0WM0c7qtcEZQ=; b=jFqi2ym4nYnjnCGZB93Dz3ksitLENxWQlTbCLUSNzxvoGlZ48PLoLNYlUvFjzCkvsxp4xN yurJKQbisF0jpTdSLM9PEnPnxFfO0Pk37EIg9hu3lFAchjlq0Mti9JeaYzpOqlno7zSUzR nRo2uNMAuNVHpbazONuqM6sfKwiQWq1l9cu9lrM0cB60jl0B/tJ9l+dZtURj+mMEjBLfmy sDPs9/FG+3izIhMglCf2lMu5pCZPNMoeWVQwIoCLHRtpfRbJD9ArnYjd940w4HMIM/5cjh ON6kIrWVTAEgfrPlgh8Hvg5DjJvOI2ZYFY7e3F+wVmmRK5qSqGZNcmVkYkb2lA== To: Dario Faggioli , xen-users@lists.xenproject.org References: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> <173a61217097d75e82009c24bc53236697481106.camel@suse.com> From: Jean-Louis Dupond Message-ID: Date: Thu, 11 Oct 2018 17:15:09 +0200 User-Agent: Mozilla/5.0 (X11; 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ORIGINATING; auth=pass smtp.auth=jean-louis@dupond.be smtp.mailfrom=jean-louis@dupond.be Subject: Re: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Roger Pau Monne Content-Type: multipart/mixed; boundary="===============7338619546172968114==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============7338619546172968114== Content-Type: multipart/alternative; boundary="------------E792CFD326AB652CD6096AC7" Content-Language: en-US This is a multi-part message in MIME format. --------------E792CFD326AB652CD6096AC7 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit FYI, After some additional debugging, I found out that on the machine the speed is perfect when running stock CentOS 6 kernel (2.6.32). When using a 4.9.x of 4.18.x kernel, the speed is degraded again. Speed on 2.6.32: 320 MB/s Speed on 4.9.x : 55.2 MB/s But when I disable gro on the storage NIC, It boosts to 157 MB/s. That is already better, but still way below what we have on 2.6.32 ... I also did tests on plain machine without Xen, and with the same results. So it doesn't looks like its Xen related, but more iSCSi/Kernel. Thanks Jean-Louis On 11-10-18 11:18, Dario Faggioli wrote: > [Adding Roger] > > On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote: >> Hi, >> >> We are hitting some I/O limitation on some of our Xen hypervisors. >> The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and >> 4.9.105+ >> kernels. >> >> The hypervisors are attached with 10G network to the SAN network. >> And >> there is no congestion at all. >> Storage is exported via iSCSI and we use multipathd for failover. >> Now we see a performance of +-200MB/sec write speed, but only a poor >> 20-30mb/sec read speed on a LUN on the SAN. >> This is while testing this on dom0. Same speeds on domU. >> >> If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same >> LUN >> (but attached with 1G), I max out the link (100MB read/write). >> > Right. But, if I've understood correctly, you're changing two things (I > mean between the two tests), i.e., the hypervisor and the NIC. > (BTW, is dom0 kernel the same, or does that also change?). > > This makes it harder to narrow things down to where the problem could > be. > > What would be useful to see would be the results of running: > - Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host, > and compare this with Xen 4.6.6-12.el6, with the same kernel on the > same NIC / host; > - Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host, > and compare this with Xen 4.4.4-34.el6, with the same kernel on the > same NIC / host. > > This will tell us, if there is a regression between Xen 4.4.x and Xen > 4.6.x (as that is _the_only_ thing that varies). > > And this is assuming the versions of the dom0 kernels, and of all the > other components involved are the same. If they're not, we need to go > checking, changing one component at a time. > >> So it really looks like the Xen 4.6 hypervisors are reaching some >> bottleneck. But we couldn't locate it yet :) >> > There seems to be issues, but from the tests you've performed so far, I > don't think we can conclude the problem is in Xen. And we need to know > at least where the problem most likely is, in order to have any chance > to find it! :-) > >> The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty! >> > Probably. But, just in case, have you tried increasing, e.g., the > number of dom0's vcpus? Is things like vcpu-pinning or similar features > being used? Is the host a NUMA box? (Or, more generally, what are the > characteristics of the host[s]?) > > Regards, > Dario > > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-users --------------E792CFD326AB652CD6096AC7 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

FYI,

After some additional debugging, I found out that on the machine the speed is perfect when running stock CentOS 6 kernel (2.6.32).
When using a 4.9.x of 4.18.x kernel, the speed is degraded again.

Speed on 2.6.32: 320 MB/s
Speed on 4.9.x : 55.2 MB/s

But when I disable gro on the storage NIC, It boosts to 157 MB/s.
That is already better, but still way below what we have on 2.6.32 ...

I also did tests on plain machine without Xen, and with the same results.
So it doesn't looks like its Xen related, but more iSCSi/Kernel.

Thanks
Jean-Louis


On 11-10-18 11:18, Dario Faggioli wrote:
[Adding Roger]

On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote:

Hi,

We are hitting some I/O limitation on some of our Xen hypervisors.
The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and
4.9.105+ 
kernels.

The hypervisors are attached with 10G network to the SAN network.
And 
there is no congestion at all.
Storage is exported via iSCSI and we use multipathd for failover.
Now we see a performance of +-200MB/sec write speed, but only a poor 
20-30mb/sec read speed on a LUN on the SAN.
This is while testing this on dom0. Same speeds on domU.

If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same
LUN 
(but attached with 1G), I max out the link (100MB read/write).


Right. But, if I've understood correctly, you're changing two things (I
mean between the two tests), i.e., the hypervisor and the NIC.
(BTW, is dom0 kernel the same, or does that also change?).

This makes it harder to narrow things down to where the problem could
be.

What would be useful to see would be the results of running:
- Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host,
  and compare this with Xen 4.6.6-12.el6, with the same kernel on the 
  same NIC / host;
- Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host,
  and compare this with Xen 4.4.4-34.el6, with the same kernel on the
  same NIC / host.

This will tell us, if there is a regression between Xen 4.4.x and Xen
4.6.x (as that is _the_only_ thing that varies).

And this is assuming the versions of the dom0 kernels, and of all the
other components involved are the same. If they're not, we need to go
checking, changing one component at a time.


So it really looks like the Xen 4.6 hypervisors are reaching some 
bottleneck. But we couldn't locate it yet :)


There seems to be issues, but from the tests you've performed so far, I
don't think we can conclude the problem is in Xen. And we need to know
at least where the problem most likely is, in order to have any chance
to find it! :-)


The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty!


Probably. But, just in case, have you tried increasing, e.g., the
number of dom0's vcpus? Is things like vcpu-pinning or similar features
being used? Is the host a NUMA box? (Or, more generally, what are the
characteristics of the host[s]?)

Regards,
Dario



_______________________________________________
Xen-users mailing list
Xen-users@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users

--------------E792CFD326AB652CD6096AC7-- --===============7338619546172968114== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============7338619546172968114==-- From xen-users-bounces@lists.xenproject.org Fri Oct 12 05:21:16 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 12 Oct 2018 05:21:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gAprs-0005hw-Qp; Fri, 12 Oct 2018 05:20:08 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gAprr-0005hZ-7H for xen-users@lists.xenproject.org; Fri, 12 Oct 2018 05:20:07 +0000 X-Inumbo-ID: aa38adaf-cdde-11e8-a6a9-d7ebe60f679a Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-amaz-eas1.inumbo.com (Halon) with ESMTPS id aa38adaf-cdde-11e8-a6a9-d7ebe60f679a; Fri, 12 Oct 2018 05:21:26 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id ECB8CAE30; Fri, 12 Oct 2018 05:20:05 +0000 (UTC) Message-ID: From: Dario Faggioli To: "Cohen, Michele" , "xen-users@lists.xenproject.org" Date: Fri, 12 Oct 2018 07:20:01 +0200 In-Reply-To: References: Organization: SUSE X-Mailer: Evolution 3.28.5 Mime-Version: 1.0 Subject: Re: [Xen-users] XEN, FreeRTOS, SAFERTOS X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7008290793933117768==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============7008290793933117768== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-gAZhhX4/rWpfbPYkS4Gd" --=-gAZhhX4/rWpfbPYkS4Gd Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2018-09-04 at 23:19 +0000, Cohen, Michele wrote: > Hello, >=20 > I saw wiki on security and XEN considering adding FreeRTOS. I was > wondering if SAFERTOS had been considered as extension to increase > integrity? =20 >=20 Sorry for replying a bit late. In case you're still interested, it's not that "Xen added FreeRTOS". Xen, as an hypervisor, has no idea what operating system runs in guests, whether it is Linux, FreeBSD, Windows, FreeRTOS or SAFERTOS. On the other hand, especially if you want to take advantage of some features and optimizations (paravirtualization, at various levels) is the operating system that needs to be aware that it is running on Xen. It needs to be ported on Xen, we can say. (Just FTR, however, at least on x86, this is not really necessary, if you're happy to run the OS in a pure and full HVM guest. But still...) And in fact, that's what has happened, FreeRTOS has been ported to be able to run on Xen, on ARM: https://github.com/GaloisInc/FreeRTOS-Xen > SAFERTOS is based on the functional model of the FreeRTOS kernel, > however, it is not the FreeRTOS kernel. It has been completely re- > designed by a team of functional safety experts at WHIS. Their > engineers took the FreeRTOS kernel functional model, subjected it to > a full HAZOP, and generated a set of safety requirements. The > resulting functional and safety requirements sets were put through an > IEC 61508-3 SIL 3 development life cycle, creating the SAFERTOS code > base and DAP. >=20 Right. If someone wants to port SAFERTOS on Xen (on ARM?), that would be more than welcome. :-) Regards, Dario --=20 <> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Software Engineer @ SUSE https://www.suse.com/ --=-gAZhhX4/rWpfbPYkS4Gd Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEES5ssOj3Vhr0WPnOLFkJ4iaW4c+4FAlvALwEACgkQFkJ4iaW4 c+5BIQ/+PmwWZQ1FuwH6PFBx5n1c+7Kd207MywrOGsacqwXfp6b/2SFkQ+U7yweR U3iq2sCUYZ4hr7i3NYzwb86bG7UawEESc4a5Rk9hdVUiAm/VxuG1X/RtEEgRrNH6 6mYUhfnihZ1GE03Ek29fYccepDPN/l+crQnTvJlRptWD6nteBtmCCKRkS+8bWPLF w920OKtv1F89dTMaP4zEHZp7ClERx7W1pOuZ/QWHT98MjiWQ8NRJlwkE0yl9w50u 3eLTX520DYZj0Z0O5B6mg54QKi2YVhRXWMVczsY/T6DLqzN8UwMW3rMWuf3nmFpS zCLYhl4oW5BdP3uvlut7fMrE4bOhX5EqLIZajrFhGoOo0sbVkGsJS38OVkB+neZl K2jRwY2LN9MPD8X4BuiTJ5USz6W+sZxkg2nmVsCMsPufCCXF1pXQ6RW2EkLOD/Au N+N//4ySHGgazLz9vDq4H19Z4hnnFhfNkM+eSq7CmrbNkWv+5pEZyzAVXPtcIAmX DVJ5BTLPKn0Oc+3qMHJrAtO5h/fUo/QdW7xOclCI5pcH2egcXtNWWT8ijVNLQFr+ y73fYUQXrzdlAUhfqIzQ6k07oBGfGbNcFpeL2oxrzsn5mswLoGc5xJpDEJc5bo9p 1AxcaP06MX3h9MD6K6fkU86BrblTY/js9jH2okFFMJl/HHtbYE4= =vkpi -----END PGP SIGNATURE----- --=-gAZhhX4/rWpfbPYkS4Gd-- --===============7008290793933117768== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============7008290793933117768==-- From xen-users-bounces@lists.xenproject.org Mon Oct 15 13:53:07 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Mon, 15 Oct 2018 13:53:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gC3Hn-0000Js-GF; Mon, 15 Oct 2018 13:51:55 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gC3Hm-0000Jn-LK for xen-users@lists.xenproject.org; Mon, 15 Oct 2018 13:51:54 +0000 X-Inumbo-ID: 1714f494-d081-11e8-a8a5-bc764e045a96 Received: from mo18.mail-out.ovh.net (unknown [178.32.228.18]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1714f494-d081-11e8-a8a5-bc764e045a96; Mon, 15 Oct 2018 15:49:10 +0200 (CEST) Received: from [192.168.1.65] (172-58-190-109.dsl.ovh.fr [109.190.58.172]) by mo18.mail-out.ovh.net (Postfix) with ESMTP id 813902615B1 for ; Mon, 15 Oct 2018 15:51:50 +0200 (CEST) To: "xen-users@lists.xenproject.org" From: =?UTF-8?Q?St=c3=a9phane_PERON?= Message-ID: <07182457-c0a6-2217-c2c7-207f0e1e11c6@free.fr> Date: Mon, 15 Oct 2018 15:51:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 Content-Language: fr X-Ovh-Tracer-Id: 11202141124086156607 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: 0 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtkedrvdekgddthecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecu Subject: [Xen-users] Stuck with Xen 4.9 on ubuntu 18.04 ( from network install ) X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1384044769808043573==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============1384044769808043573== Content-Type: multipart/alternative; boundary="------------46233DC55CAE5CCFAF756992" Content-Language: fr This is a multi-part message in MIME format. --------------46233DC55CAE5CCFAF756992 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi all, I have just installed Ubuntu 18.04 64bits from a network install ( mini.iso ) on a dell poweredge r200 ... Then, I have installed xen ... and created a xenbr0 bridge So, after a reboot I get : /root@ubuntu1:/etc/xen# xl list// //Name                                        ID   Mem VCPUs    State    Time(s)// //Domain-0                                     0  3962 2     r-----    6479.4/ Then, I have tried to start a VM with the following configuration : firmware_override="/usr/lib/xen-4.9/boot/hvmloader" memory = 1000 builder = "hvm" me = "mini" name = "mini" vcpus = 1 acpi=1 apic=1 vif = [ "type=ioemu, bridge=xenbr0" ] disk = [ 'file:/data/xen/preprod.img,ioemu:hda,w' ] ne2000=0 boot="c" audio=1 soundhw='hda' sdl=0 vnc=1 vncunused=0 stdvga=1 serial="pty" usb=1 keymap='fr' usbdevice = 'tablet' But when I "create" the instance, I get the following error message : libxl: error: libxl_create.c:554:libxl__domain_make: domain creation fail: Invalid argument libxl: error: libxl_create.c:923:initiate_domain_create: cannot make domain: -3 What does it mean ? How could I get more information about this problem ? Thanks a lot for your help Stéphane PS: All works very well on a xubuntu 18.04 64bits. --------------46233DC55CAE5CCFAF756992 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit

Hi all,

I have just installed Ubuntu 18.04 64bits from a network install ( mini.iso ) on a dell poweredge r200 ...

Then, I have installed xen ... and created a xenbr0 bridge

So, after a reboot I get :

root@ubuntu1:/etc/xen# xl list
Name                                        ID   Mem VCPUs    State    Time(s)
Domain-0                                     0  3962     2     r-----    6479.4

Then, I have tried to start a VM with the following configuration :

firmware_override="/usr/lib/xen-4.9/boot/hvmloader"
memory = 1000
builder = "hvm"
me = "mini"
name = "mini"
vcpus = 1
acpi=1
apic=1
vif = [ "type=ioemu, bridge=xenbr0" ]
disk = [ 'file:/data/xen/preprod.img,ioemu:hda,w' ]
ne2000=0
boot="c"
audio=1
soundhw='hda'
sdl=0
vnc=1
vncunused=0
stdvga=1
serial="pty"
usb=1
keymap='fr'
usbdevice = 'tablet'

But when I "create" the instance, I get the following error message :

libxl: error: libxl_create.c:554:libxl__domain_make: domain creation fail: Invalid argument
libxl: error: libxl_create.c:923:initiate_domain_create: cannot make domain: -3

What does it mean ? How could I get more information about this problem ?

Thanks a lot for your help

Stéphane

PS: All works very well on a xubuntu 18.04 64bits.



--------------46233DC55CAE5CCFAF756992-- --===============1384044769808043573== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============1384044769808043573==-- From xen-users-bounces@lists.xenproject.org Mon Oct 15 14:33:10 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Mon, 15 Oct 2018 14:33:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gC3ug-0005TQ-2r; Mon, 15 Oct 2018 14:32:06 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gC3ue-0005TK-F9 for xen-users@lists.xenproject.org; Mon, 15 Oct 2018 14:32:04 +0000 X-Inumbo-ID: b43bee8c-d086-11e8-a8a5-bc764e045a96 Received: from mail-wr1-x42b.google.com (unknown [2a00:1450:4864:20::42b]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id b43bee8c-d086-11e8-a8a5-bc764e045a96; Mon, 15 Oct 2018 16:29:21 +0200 (CEST) Received: by mail-wr1-x42b.google.com with SMTP id y11-v6so21592385wrd.4 for ; Mon, 15 Oct 2018 07:32:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=6f4G20HittSQw6vx0bgqytbJv7yn2WLOvJV912W9pRw=; b=pGC+jLjiUFJ49H9OBOoKdKw8EXS14Xj19bPeIVZEv5W+x+q6jGRWvALWmqYYOzabL4 zcB+8M0F56c3GAfN2+fNTQ97fLYTheod07CiTcd5uLBJUalfhD+WJHfR3Zungkz0bZQW BzsokpQUyUFP4YI0fe62bdhK1hKzv0DQkIS4xMoXvI4QZItlNN3kaix3WWMV0XJZ+O8T 4ZeLtaZJ3ItdXDW4qdNwRJa7EuIyMav+EirtPSTjIR+dxMxR69w9fB/p/kpidt49Lobq l6db+cEiQ8TKQHiyFndyKTi1ObjiUpDEUUxHwGCxVOL502XxyPVJKlp4KVuFfeHLFZ2I 0j3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=6f4G20HittSQw6vx0bgqytbJv7yn2WLOvJV912W9pRw=; b=o7Wdv4ZPPvyLRkh/K6eBlMbYAeHbwbi5c36gv1QKnyunQ9SP/A+o2N41bknFS4lJAg 0RBCAmU6UnIqtv/8sWTHp3+ZoAXEiQNb0VGToeo33FC/QIwaHrXNXrQ1+1MwXM9ksXhN De8vzbvKCPvV1X0AiSIJVZR22gP3L+2z4MYQ8mhFazIULr5H7J3zH5RT/HKpsiiYXxhU wZ8cYA+OcEMK3JoukJuV2D54B9P2PcusgtkbNQvn+CRvOsNLBKs4FAzg4NohlKZFrYrL eOfFYN52Phjn3ymi2eq/uwTzZcAxnmc5Tq/Aqenb86MhTSIhdh0TkVDvAve+NBTtkMC1 GMPA== X-Gm-Message-State: ABuFfogKX5Q7feqdIH38/qZggXP8xLZnKwK58rUYh3wbMUJbW4wMf+bx vVZNwd+s9vd7x+IUrUt2ck/QgnLh1+NIWe+r6gYofSe6 X-Google-Smtp-Source: ACcGV61UnRR9ev5I4ZlZCDIk4ZrYYmr98AiZJhSvM0CN+LpX5qzYFKZfywsxDvoKASVVeKCiGA66Z373nTnUdk6Zu+I= X-Received: by 2002:adf:c6c7:: with SMTP id c7-v6mr15543259wrh.243.1539613921609; Mon, 15 Oct 2018 07:32:01 -0700 (PDT) MIME-Version: 1.0 From: =?UTF-8?Q?Eduardo_L=C3=BAcio_Amorim_Costa?= Date: Mon, 15 Oct 2018 11:31:50 -0300 Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] I can not leave the list X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0499076845580242436==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0499076845580242436== Content-Type: multipart/alternative; boundary="000000000000e38ac60578454caf" --000000000000e38ac60578454caf Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I sent emails to ... " xen-users-leave@lists.xenproject.org xen-users-unsubscribe@lists.xenproject.org " ... but I can not leave the list. What's I doing wrong? []'s --=20 *Eduardo L=C3=BAcio* LightBase Consultoria em Software P=C3=BAblico eduardo.lucio@LightBase.com.br *+55-61-3347-1949 - http://brlight.org - Brasil-DF* *Software livre! Abrace essa id=C3=A9ia!* *"Aqueles que negam liberdade aos outros n=C3=A3o a merecem para si mesmos.= "* *Abraham Lincoln* --000000000000e38ac60578454caf Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I sent emails to ...

<= /div>
"
"

... but I can n= ot leave the list. What's I doing wrong?

[]= 9;s

--
<= div dir=3D"ltr">
Eduardo L=C3=BAcio
LightBase Consultoria em Software P=C3=BAblico
=
+55-61-3347-1949 - ht= tp://brlight.org=C2=A0- Brasil-DF

=
Software livre! Abra= ce essa id=C3=A9ia!=C2=A0
"Aqueles que = negam liberdade aos outros n=C3=A3o a merecem para si mesmos."=
Abr= aham Lincoln
--000000000000e38ac60578454caf-- --===============0499076845580242436== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============0499076845580242436==-- From xen-users-bounces@lists.xenproject.org Mon Oct 15 20:27:34 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Mon, 15 Oct 2018 20:27:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gC9RT-0001fE-7v; Mon, 15 Oct 2018 20:26:19 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gC9RR-0001f9-Nr for xen-users@lists.xenproject.org; Mon, 15 Oct 2018 20:26:17 +0000 X-Inumbo-ID: 2ff8fa37-d0b8-11e8-a8a5-bc764e045a96 Received: from mail-wm1-x331.google.com (unknown [2a00:1450:4864:20::331]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 2ff8fa37-d0b8-11e8-a8a5-bc764e045a96; Mon, 15 Oct 2018 22:23:33 +0200 (CEST) Received: by mail-wm1-x331.google.com with SMTP id i8-v6so20102207wmg.0 for ; Mon, 15 Oct 2018 13:26:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=ZOE9Ey/jTzN7JqaNpuawMUNK4DueMlbd8P8saZg3Kug=; b=IwygXt74oeGTD5xd8m3TaklESN9Zb8Ym3sBiYFN3+ny0PBa4Yi0PFm/LFmx0CILHeQ ZcLn9hJoE5bTgKfhd9kYSODydJWQTG9D6RXAhyqO/b/gvtCEUugBNHFK8dYntYqaMjmo hUDy6C+vArWh+ZDKdP8XQwTNj8yfWuh3H25U1HX/VEOh/B/9bn//FyYtyBkuJvoV+lst 9ntpDP0Cs7xliIymws84Z9oXvVj4iYJDVtwLol+W4b1euTqF7n5QznmDSiybTwaGILHb hu8ymeYiRWMFXnV68KsYagpSh10h1FjkvCUVMsiPSTk1DlN/F1iGM85cvKGYAt15qd4U xaIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=ZOE9Ey/jTzN7JqaNpuawMUNK4DueMlbd8P8saZg3Kug=; b=is+4GzkFOswMC015BxMMYk0Y4P9bN5h5jw5zEMQ9LhUDjjxmzI4rUPXlnLaPMzmCNZ jSFni9ExBzxEoxmXaWnPLRDnSKGSz5jVER03DEOxzVmvmqDdyxyG+Siw7wRmmre6zVDn fNx6xJC8z+XGgE2b/77H8N0+kL44Ob0FpNZwpiujtpzQkuLjqPOpNKpU+iNxv7xsWbr6 PnaK5JoFPZNbx77Vcu7M2QH2KWwlAiX6sF1qWc4lEsFn5rtt3U1Nc44D3TOgOjTUdeUE hj2/56bPoPc4mhOJTVF3AKUdAhz8hYfjZRRJfmVFLS2pnxUkzjgwk/SsHMDcp5Ecq726 5BsQ== X-Gm-Message-State: ABuFfogdeWZPrLEkAYhBkGKHp1LIbYfb77c19ZM1tzWeVerilhPJPZTi GIkvMfTqtX+6eqKUx+dDWwh2Pg4hlIgZ59DrrvTk3Kyl X-Google-Smtp-Source: ACcGV63cySOnMOO2QC6SuiikUW+U6m0IoHHdjYurnwCDfHtuiPYPnhsO/GGfuqChIpAYxtwqrZtYzOwmRqm5cB3THvs= X-Received: by 2002:a1c:c40a:: with SMTP id u10-v6mr14202706wmf.30.1539635174976; Mon, 15 Oct 2018 13:26:14 -0700 (PDT) MIME-Version: 1.0 From: Alexander Sinditskiy Date: Tue, 16 Oct 2018 00:26:03 +0400 Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] windows vm anticheat issue X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7686362648945933178==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============7686362648945933178== Content-Type: multipart/alternative; boundary="000000000000b031d505784a3f76" --000000000000b031d505784a3f76 Content-Type: text/plain; charset="UTF-8" Hello I am trying to start "Rust" game on xen vm. Once I start game my host instantly reboots (dom0 domu, everything). Xenserver logs are empty. crashreports are not generated too. This game is using EasyAntiCheat so I believe it has something to prevent running in vm. I believe it is very important issue because: 1. it makes xen instant crash (ddos of xenserver host). 2. this anti cheat product is very popular. About software: my vm has no video drivers/gpu. I am using XenServer 7.1 with all updates installed. xl info release : 4.4.0+2 version : #1 SMP Thu Aug 9 14:44:35 UTC 2018 machine : x86_64 xen_version : 4.7.5-1.21 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : bcc9e245aafb, pq 669c219fb460 xen_commandline : dom0_mem=4096M,max:4096M watchdog ucode=scan dom0_max_vcpus=1-16 crashkernel=128M@256M console=vga vga=mode-0x0311 cc_compiler : gcc (GCC) 7.3.0 cc_compile_by : mockbuild cc_compile_domain : [unknown] cc_compile_date : Mon Aug 13 23:40:12 UTC 2018 build_id : 1aa77301929623f3bb178331ef5f319c130acfce Can you help me to debug issue please? May be you have some server with xen running too and Rust game in your steam library? Thank you, Alex --000000000000b031d505784a3f76 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello

I am trying to start "Rust" game on xen vm. Once I start game my= host instantly reboots (dom0 domu, everything). Xenserver logs are empty. = crashreports are not generated too. This game is using EasyAntiCheat so I b= elieve it has something to prevent running in vm.

= I believe it is very important issue because:
1. it makes xen ins= tant crash (ddos of xenserver host).
2. this anti cheat product i= s very popular.

About software:
my vm ha= s no video drivers/gpu.
I am using XenServer 7.1 with all updates= installed.
xl info
release=C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 : 4.4.0+2
version=C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 : #1 SMP Thu Aug 9 14:44:3= 5 UTC 2018
machine=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 : x86_64
xen_version=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 : 4.7.5-1.21
xen_caps=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-= x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler=C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 : credit
xen_pagesize=C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0: 4096
platform_params=C2=A0 =C2=A0 =C2=A0 = =C2=A0 : virt_start=3D0xffff800000000000
xen_changeset=C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 : bcc9e245aafb, pq 669c219fb460
xen_comm= andline=C2=A0 =C2=A0 =C2=A0 =C2=A0 : dom0_mem=3D4096M,max:4096M watchdog uc= ode=3Dscan dom0_max_vcpus=3D1-16 crashkernel=3D128M@256M console=3Dvga vga= =3Dmode-0x0311
cc_compiler=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 : gcc (GCC) 7.3.0
cc_compile_by=C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 : mockbuild
cc_compile_domain=C2=A0 =C2=A0 =C2=A0 : [unkno= wn]
cc_compile_date=C2=A0 =C2=A0 =C2=A0 =C2=A0 : Mon Aug 13 23:40= :12 UTC 2018
build_id=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0: 1aa77301929623f3bb178331ef5f319c130acfce
Can you help me to debug issue please? May be you have some ser= ver with xen running too and Rust game in your steam library?
Thank you, Alex


= --000000000000b031d505784a3f76-- --===============7686362648945933178== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============7686362648945933178==-- From xen-users-bounces@lists.xenproject.org Tue Oct 16 10:12:05 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 16 Oct 2018 10:12:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gCMJQ-0006BJ-2j; Tue, 16 Oct 2018 10:10:52 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gCMJO-0006BD-UT for xen-users@lists.xenproject.org; Tue, 16 Oct 2018 10:10:50 +0000 X-Inumbo-ID: f261f7e7-d12b-11e8-a6a9-d7ebe60f679a Received: from mo17.mail-out.ovh.net (unknown [178.32.228.17]) by us1-amaz-eas1.inumbo.com (Halon) with ESMTPS id f261f7e7-d12b-11e8-a6a9-d7ebe60f679a; Tue, 16 Oct 2018 10:12:12 +0000 (UTC) Received: from [192.168.1.65] (172-58-190-109.dsl.ovh.fr [109.190.58.172]) by mo17.mail-out.ovh.net (Postfix) with ESMTP id 6B2A01D7438 for ; Tue, 16 Oct 2018 12:10:47 +0200 (CEST) To: xen-users@lists.xenproject.org References: <07182457-c0a6-2217-c2c7-207f0e1e11c6@free.fr> From: =?UTF-8?Q?St=c3=a9phane_PERON?= Message-ID: <2894b0ee-ebfb-ea53-9768-fedb122a3d9e@free.fr> Date: Tue, 16 Oct 2018 12:10:45 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <07182457-c0a6-2217-c2c7-207f0e1e11c6@free.fr> Content-Language: fr X-Ovh-Tracer-Id: 13341632422706105663 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: 0 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtkedrfedtgddvhecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecu Subject: Re: [Xen-users] Stuck with Xen 4.9 on ubuntu 18.04 ( from network install ) X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3837103990737200106==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============3837103990737200106== Content-Type: multipart/alternative; boundary="------------291442A65D2857F57EE88DA9" Content-Language: fr This is a multi-part message in MIME format. --------------291442A65D2857F57EE88DA9 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi, Shame on me ... The virtualization was not activated ! After the activation from the bios, all works very well Regards, Stéphane Le 15/10/2018 à 15:51, Stéphane PERON a écrit : > > Hi all, > > I have just installed Ubuntu 18.04 64bits from a network install ( > mini.iso ) on a dell poweredge r200 ... > > Then, I have installed xen ... and created a xenbr0 bridge > > So, after a reboot I get : > > /root@ubuntu1:/etc/xen# xl list// > //Name                                        ID   Mem VCPUs    > State    Time(s)// > //Domain-0                                     0  3962 2     r-----    > 6479.4/ > > Then, I have tried to start a VM with the following configuration : > > firmware_override="/usr/lib/xen-4.9/boot/hvmloader" > memory = 1000 > builder = "hvm" > me = "mini" > name = "mini" > vcpus = 1 > acpi=1 > apic=1 > vif = [ "type=ioemu, bridge=xenbr0" ] > disk = [ 'file:/data/xen/preprod.img,ioemu:hda,w' ] > ne2000=0 > boot="c" > audio=1 > soundhw='hda' > sdl=0 > vnc=1 > vncunused=0 > stdvga=1 > serial="pty" > usb=1 > keymap='fr' > usbdevice = 'tablet' > > But when I "create" the instance, I get the following error message : > > libxl: error: libxl_create.c:554:libxl__domain_make: domain creation > fail: Invalid argument > libxl: error: libxl_create.c:923:initiate_domain_create: cannot make > domain: -3 > > What does it mean ? How could I get more information about this problem ? > > Thanks a lot for your help > > Stéphane > > PS: All works very well on a xubuntu 18.04 64bits. > > > > > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-users --------------291442A65D2857F57EE88DA9 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit

Hi,

Shame on me ... The virtualization was not activated !

After the activation from the bios, all works very well

Regards,

Stéphane


Le 15/10/2018 à 15:51, Stéphane PERON a écrit :

Hi all,

I have just installed Ubuntu 18.04 64bits from a network install ( mini.iso ) on a dell poweredge r200 ...

Then, I have installed xen ... and created a xenbr0 bridge

So, after a reboot I get :

root@ubuntu1:/etc/xen# xl list
Name                                        ID   Mem VCPUs    State    Time(s)
Domain-0                                     0  3962     2     r-----    6479.4

Then, I have tried to start a VM with the following configuration :

firmware_override="/usr/lib/xen-4.9/boot/hvmloader"
memory = 1000
builder = "hvm"
me = "mini"
name = "mini"
vcpus = 1
acpi=1
apic=1
vif = [ "type=ioemu, bridge=xenbr0" ]
disk = [ 'file:/data/xen/preprod.img,ioemu:hda,w' ]
ne2000=0
boot="c"
audio=1
soundhw='hda'
sdl=0
vnc=1
vncunused=0
stdvga=1
serial="pty"
usb=1
keymap='fr'
usbdevice = 'tablet'

But when I "create" the instance, I get the following error message :

libxl: error: libxl_create.c:554:libxl__domain_make: domain creation fail: Invalid argument
libxl: error: libxl_create.c:923:initiate_domain_create: cannot make domain: -3

What does it mean ? How could I get more information about this problem ?

Thanks a lot for your help

Stéphane

PS: All works very well on a xubuntu 18.04 64bits.





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Xen-users mailing list
Xen-users@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users

--------------291442A65D2857F57EE88DA9-- --===============3837103990737200106== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============3837103990737200106==-- From xen-users-bounces@lists.xenproject.org Tue Oct 16 14:55:07 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 16 Oct 2018 14:55:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gCQjO-0003bE-Fu; Tue, 16 Oct 2018 14:53:58 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gCQjM-0003b7-Hq for xen-users@lists.xenproject.org; Tue, 16 Oct 2018 14:53:56 +0000 X-Inumbo-ID: e9cb55c5-d152-11e8-a8a5-bc764e045a96 Received: from apollo.dupie.be (unknown [2001:bc8:3f2a:101::1]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id e9cb55c5-d152-11e8-a8a5-bc764e045a96; Tue, 16 Oct 2018 16:51:08 +0200 (CEST) Received: from [10.10.1.221] (systeembeheer.combell.com [217.21.177.69]) by apollo.dupie.be (Postfix) with ESMTPSA id E3B4E33C01F2; Tue, 16 Oct 2018 16:53:49 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1539701630; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pmj58tAqFAr9+Ye/X8tDWemHvBiiNWZKEsRi4Occudo=; b=HJHE6ckI1fjjuSxmHQWCI3YxoVBHuaUxHMl3EaMP1Cjlqyi/hY6eYAd7GIpYVgpLPxnVQB GMI8KQ1zZjZo0Ahnmklc9DzK8eR56LQ49oUlmROEqM7givRGL693k3ETQrX63/XA5boK3r i0Y/Css/ey4MA1i8VE3mDQ/fIAsdcy0ERuYhiA8KOYn7PPpzBGjjWszDyrh9WDrXit/zDw SE/ik4uJrYgYEscIv5RhpyRK/TPHHH/MW7CTglavRlF7mfEQo+Fgb7O4vdTYNWUNIoa+Es y9POmkU4jIhJev8N0QshIr67IV6KRtv51KpGgEniwuAvmEfRIZjQZJRjIQ69ug== From: Jean-Louis Dupond To: Dario Faggioli , xen-users@lists.xenproject.org References: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> <173a61217097d75e82009c24bc53236697481106.camel@suse.com> Message-ID: Date: Tue, 16 Oct 2018 16:53:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1539701630; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pmj58tAqFAr9+Ye/X8tDWemHvBiiNWZKEsRi4Occudo=; b=DvJ+40+PS3VM/U/iEPAFEdFRjyB/FQ/MD+eADaUv05OFlFnZ/Je8yqdpKXhT1qC5mGb1mq xt1nDJ+b55fNL9EWE+vStNJcl9yU0xfPZgaNYnnTEdm/UK0cItEiKfPYKcRrElwdOrQQTt WFt8iAKrUp0jD+dXw2NGiImRUAtymvta3vZtF7BqKWb9lQ1DqSMvXf2UQXazEhTxtznPrZ nsW85CMkmhpBKL/YKrqxVXyy3fL4FrijEVg/XgUlcN7yR8HROP9bkdodtTAgsNmn3jHpnI Z1j+L4ZRuNSIZLgkIM31xYA7jiLX1m3Eo6QGJz2dtEhex0xIKBnb82EEtoS2tQ== ARC-Seal: i=1; s=dkim; d=dupond.be; t=1539701630; a=rsa-sha256; cv=none; b=iC50q+NLFrZv6/Q6tJ1Z+wmQiWBNqguASctYQNA3D01aAosp4wxiZaWK/JVLHSxshnmTdfH0LOeVLS1ppYzPj8CHo5xbuF7QhTl1JsMUPAyFpG48NjWXRvDQM6ZZREV+3+vMrzhkUSSGcaqNNkCHHIuOHIb6KUD67yXkyDrYJZeTqn4DqkZ8t9dI45xq39uwnpjNnmmn0GSJTdItxeVVl1celaSalUAEZNXeys0ut+4cl3ZSOn2CZFEmvx3Z33aaa/I6WLyEH/tz8jlhwbqpnM7841B2FtBBorBYyeA2n+z9k0iwD1rlZNPbvL4O/v2HTrik4ocmIaRfhkvTwEYUbQ== ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.auth=jean-louis@dupond.be smtp.mailfrom=jean-louis@dupond.be Subject: Re: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Roger Pau Monne Content-Type: multipart/mixed; boundary="===============6125586684970798314==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============6125586684970798314== Content-Type: multipart/alternative; boundary="------------AEF718CFE7624452247B0956" Content-Language: en-US This is a multi-part message in MIME format. --------------AEF718CFE7624452247B0956 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Did even more testing today, and seems like we hit 2 problems. On a plain 4.9.13 kernel, without Xen, I get 686 MB/s. With Xen (on dom0) => 58.8 MB/s But after upgrade to 4.9.127 without Xen => 161 MB/s with Xen => 40.3 MB/s Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64 And that gives the following. With 4.9.13 kernel: 107 MB/s With 4.9.127 kernel: 61.9 MB/s It might be retpoline/spectre/meltdown changes? Tried adding 'spectre_v2=off nopti' to the boot line on 4.9.127 kernel (without Xen), and then it speed is 171 MB/s (10 MB/s faster) Seems like this will be a hard one to debug further :( Any other idea's are welcome :) Thanks Jean-Louis On 11/10/18 17:15, Jean-Louis Dupond wrote: > > FYI, > > After some additional debugging, I found out that on the machine the > speed is perfect when running stock CentOS 6 kernel (2.6.32). > When using a 4.9.x of 4.18.x kernel, the speed is degraded again. > > Speed on 2.6.32: 320 MB/s > Speed on 4.9.x : 55.2 MB/s > > But when I disable gro on the storage NIC, It boosts to 157 MB/s. > That is already better, but still way below what we have on 2.6.32 ... > > I also did tests on plain machine without Xen, and with the same results. > So it doesn't looks like its Xen related, but more iSCSi/Kernel. > > Thanks > Jean-Louis > > > On 11-10-18 11:18, Dario Faggioli wrote: >> [Adding Roger] >> >> On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote: >>> Hi, >>> >>> We are hitting some I/O limitation on some of our Xen hypervisors. >>> The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and >>> 4.9.105+ >>> kernels. >>> >>> The hypervisors are attached with 10G network to the SAN network. >>> And >>> there is no congestion at all. >>> Storage is exported via iSCSI and we use multipathd for failover. >>> Now we see a performance of +-200MB/sec write speed, but only a poor >>> 20-30mb/sec read speed on a LUN on the SAN. >>> This is while testing this on dom0. Same speeds on domU. >>> >>> If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same >>> LUN >>> (but attached with 1G), I max out the link (100MB read/write). >>> >> Right. But, if I've understood correctly, you're changing two things (I >> mean between the two tests), i.e., the hypervisor and the NIC. >> (BTW, is dom0 kernel the same, or does that also change?). >> >> This makes it harder to narrow things down to where the problem could >> be. >> >> What would be useful to see would be the results of running: >> - Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host, >> and compare this with Xen 4.6.6-12.el6, with the same kernel on the >> same NIC / host; >> - Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host, >> and compare this with Xen 4.4.4-34.el6, with the same kernel on the >> same NIC / host. >> >> This will tell us, if there is a regression between Xen 4.4.x and Xen >> 4.6.x (as that is _the_only_ thing that varies). >> >> And this is assuming the versions of the dom0 kernels, and of all the >> other components involved are the same. If they're not, we need to go >> checking, changing one component at a time. >> >>> So it really looks like the Xen 4.6 hypervisors are reaching some >>> bottleneck. But we couldn't locate it yet :) >>> >> There seems to be issues, but from the tests you've performed so far, I >> don't think we can conclude the problem is in Xen. And we need to know >> at least where the problem most likely is, in order to have any chance >> to find it! :-) >> >>> The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty! >>> >> Probably. But, just in case, have you tried increasing, e.g., the >> number of dom0's vcpus? Is things like vcpu-pinning or similar features >> being used? Is the host a NUMA box? (Or, more generally, what are the >> characteristics of the host[s]?) >> >> Regards, >> Dario >> >> >> _______________________________________________ >> Xen-users mailing list >> Xen-users@lists.xenproject.org >> https://lists.xenproject.org/mailman/listinfo/xen-users > > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-users --------------AEF718CFE7624452247B0956 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

Did even more testing today, and seems like we hit 2 problems.

On a plain 4.9.13 kernel, without Xen, I get 686 MB/s.
With Xen (on dom0) => 58.8 MB/s

But after upgrade to 4.9.127
without Xen => 161 MB/s
with Xen => 40.3 MB/s

Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64
And that gives the following.

With 4.9.13 kernel: 107 MB/s
With 4.9.127 kernel: 61.9 MB/s

It might be retpoline/spectre/meltdown changes?
Tried adding 'spectre_v2=off nopti' to the boot line on 4.9.127 kernel (without Xen), and then it speed is 171 MB/s (10 MB/s faster)

Seems like this will be a hard one to debug further :(

Any other idea's are welcome :)

Thanks
Jean-Louis

On 11/10/18 17:15, Jean-Louis Dupond wrote:

FYI,

After some additional debugging, I found out that on the machine the speed is perfect when running stock CentOS 6 kernel (2.6.32).
When using a 4.9.x of 4.18.x kernel, the speed is degraded again.

Speed on 2.6.32: 320 MB/s
Speed on 4.9.x : 55.2 MB/s

But when I disable gro on the storage NIC, It boosts to 157 MB/s.
That is already better, but still way below what we have on 2.6.32 ...

I also did tests on plain machine without Xen, and with the same results.
So it doesn't looks like its Xen related, but more iSCSi/Kernel.

Thanks
Jean-Louis


On 11-10-18 11:18, Dario Faggioli wrote:
[Adding Roger]

On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote:

Hi,

We are hitting some I/O limitation on some of our Xen hypervisors.
The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and
4.9.105+ 
kernels.

The hypervisors are attached with 10G network to the SAN network.
And 
there is no congestion at all.
Storage is exported via iSCSI and we use multipathd for failover.
Now we see a performance of +-200MB/sec write speed, but only a poor 
20-30mb/sec read speed on a LUN on the SAN.
This is while testing this on dom0. Same speeds on domU.

If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same
LUN 
(but attached with 1G), I max out the link (100MB read/write).


Right. But, if I've understood correctly, you're changing two things (I
mean between the two tests), i.e., the hypervisor and the NIC.
(BTW, is dom0 kernel the same, or does that also change?).

This makes it harder to narrow things down to where the problem could
be.

What would be useful to see would be the results of running:
- Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host,
  and compare this with Xen 4.6.6-12.el6, with the same kernel on the 
  same NIC / host;
- Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host,
  and compare this with Xen 4.4.4-34.el6, with the same kernel on the
  same NIC / host.

This will tell us, if there is a regression between Xen 4.4.x and Xen
4.6.x (as that is _the_only_ thing that varies).

And this is assuming the versions of the dom0 kernels, and of all the
other components involved are the same. If they're not, we need to go
checking, changing one component at a time.


So it really looks like the Xen 4.6 hypervisors are reaching some 
bottleneck. But we couldn't locate it yet :)


There seems to be issues, but from the tests you've performed so far, I
don't think we can conclude the problem is in Xen. And we need to know
at least where the problem most likely is, in order to have any chance
to find it! :-)


The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty!


Probably. But, just in case, have you tried increasing, e.g., the
number of dom0's vcpus? Is things like vcpu-pinning or similar features
being used? Is the host a NUMA box? (Or, more generally, what are the
characteristics of the host[s]?)

Regards,
Dario



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https://lists.xenproject.org/mailman/listinfo/xen-users


_______________________________________________
Xen-users mailing list
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Tue, 16 Oct 2018 15:12:30 +0000 (UTC) Received: from [172.16.12.26] (172.16.12.26) by GOT-EXCHANGE-3.groupeot.com (10.46.10.50) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Tue, 16 Oct 2018 17:11:03 +0200 To: References: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> <173a61217097d75e82009c24bc53236697481106.camel@suse.com> From: Matthieu Cerda Openpgp: preference=signencrypt Autocrypt: addr=matthieu.cerda@nbs-system.com; prefer-encrypt=mutual; keydata= xsBNBFg0LZsBCAC/E/beVpuf6C/GSBNkd4Pt2esjvbcwTcIy0JpLDl+4M85o/qhTa4tB/GEP vHoWmlrSSaL9d0GHgOM5ewPzuRRPaffRjGCrY8iSuxlMjNfRNSNGIZ5EOU9piWsyJflYhSuK Bp1N4T2BtyY9eK4l3Iy3rNfv7RIv26f3XV8q6Lc6JZZS1+6Wjjn/LQqY2G39mBLYyb0xsv3y ECI8IuWTrDrKbqLp47HGn9bu+juy92z4VjApLxckWmLjDsGB4hGO0jE3FIPHSG3lR1RHIjWu bczcQ1hI3c6Bvk/1IXcd2pcYK2U/aB8hM/KffVbEt9KfZR3s65/krcegeL34VYNS1PCBABEB AAHNME1hdHRoaWV1IENlcmRhIChLZWdlcnVuZWt1KSA8bWNlQG5icy1zeXN0ZW0uY29tPsLA jQQTAQgANxYhBCgsh8I+Y76iVZCu6LWQcCsxps97BQJYNDJjAhsDBAsJCAcFFQoJCAsFFgID AQACHgECF4AACgkQtZBwKzGmz3uIKgf9HQqd1XGh+oNTwgNIzocxQeolL3uoGfem+lRk31IT bAY+VIAya8rOoCvQRePmFuByJvgJ19K9n9qcvz8OEpx9bEadjBkM3ZjCQrlEM18f/K56nHU1 pPq02HkmCKm2xJcz/dNvReqgA6mKaf+c2GrTaPr2GQaNoKCXKqB6YKxh6cB6nOaMRrrQUhKq bDtIAOLkjqvJzXYwWsGwKr3rrcDOIPEP4AbpVAZ+6YdSK/TKVoo4gB2hauO3yWGhJ6X+5vQu LVbUV/2FUQRsFFJb10edziljiwWCK6W48fSNFFWUSYKEwAx4Oy0LyizaCX0GCdgRLemW3lNA n/Bl2R9JlxHx0s7ATQRYNC2bAQgAs0M+tcSm1UP0lDjeYHV18Oobf5FrHwJ8iyss1e4HMV9M sG90RUky7PgvKPARyOdWhwy2yFWsjj1O2Y5ve/M7Xh1HTWchcu5Lw8CS+WTLFbabja6PNPiq yTBB/OT4AAHQ7m1vc0UkHTIKJaT0HIeb6LwCWKIAK28lXIGtp/VlmJ4isy5V9JhKJp5e8kNc 1hCy8iVxO8vF8aP4L9MwnxTfmivKFIE6lpLWyy7ON7rNbrkKY8hTgjXIHem7MrGssGLAj+if P57PHTDS7vA3fS6vtgcY2pCF8dA9+8NtxweDz45aUJxjxLwmd36x7VUyxL9Xlxuqgd3khT9M POjfOGe57wARAQABwsB2BBgBCAAgFiEEKCyHwj5jvqJVkK7otZBwKzGmz3sFAlg0LZsCGwwA CgkQtZBwKzGmz3sCvgf+OvuXYDpYAUTUUwd1GFWySj7Cg8DCx57pNGoTa2so6elXWuOCH4lZ xIBLCeEKCV9bYwJjhmcIh/7LnG4FJvmrFO9FrXKNNtgyD3yBE3aftbA6nhVhFbHyCD7elDxo JxFsBOI+m/qGG/FZNkjv8SLqbFfNaiORDZuu9a/NlhNnh9QcOItrp3imgmmGELSqdt6f7PaZ m1Ts4hOPC2JazBYrvmDOrbSyAP0rHBoOTOU1BpoqLXGpv8DHOF3WTLgz4gfA1ZJVLgk/+7yX kqsP4S8Dj4Gon74hy24oJ2OTjDD7Zzxifn3RvfRiRtFosWQMFjxXDdKEa4TKZLHD6u1VWPQx Qg== Message-ID: <1a5e1fff-cd21-1e2f-509c-7a3b07f70a0d@nbs-system.com> Date: Tue, 16 Oct 2018 17:11:02 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [172.16.12.26] X-ClientProxiedBy: GOT-EXCHANGE-3.GROUPEOT.COM (10.46.10.50) To GOT-EXCHANGE-3.groupeot.com (10.46.10.50) Subject: Re: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2103544800297485789==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============2103544800297485789== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ivEvPnV2M9h4lXX62Gj1gdbn9FKQ7Ol41" --ivEvPnV2M9h4lXX62Gj1gdbn9FKQ7Ol41 Content-Type: multipart/mixed; boundary="deqt4ESUAY8EJNfaZxW27EVlKPUaqmKTI"; protected-headers="v1" From: Matthieu Cerda To: xen-users@lists.xenproject.org Message-ID: <1a5e1fff-cd21-1e2f-509c-7a3b07f70a0d@nbs-system.com> Subject: Re: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 References: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> <173a61217097d75e82009c24bc53236697481106.camel@suse.com> In-Reply-To: --deqt4ESUAY8EJNfaZxW27EVlKPUaqmKTI Content-Type: multipart/alternative; boundary="------------B994266EF5DF5891271168C5" Content-Language: en-US This is a multi-part message in MIME format. --------------B994266EF5DF5891271168C5 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hello, You might be hitting the issue that has been discussed here: https://lists.xenproject.org/archives/html/xen-users/2017-07/msg00023.htm= l We solved the issue by upgrading to the latest backport kernel (4.14 at the time), it seemed due to a loop device regression in Linux. Maybe you should try with a more recent kernel ? Cheers, -- Matthieu CERDA Le 16/10/2018 =C3=A0 16:53, Jean-Louis Dupond a =C3=A9crit=C2=A0: > > Did even more testing today, and seems like we hit 2 problems. > > On a plain 4.9.13 kernel, without Xen, I get 686 MB/s. > With Xen (on dom0) =3D> 58.8 MB/s > > But after upgrade to 4.9.127 > without Xen =3D> 161 MB/s > with Xen =3D> 40.3 MB/s > > Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64 > And that gives the following. > > With 4.9.13 kernel: 107 MB/s > With 4.9.127 kernel: 61.9 MB/s > > It might be retpoline/spectre/meltdown changes? > Tried adding 'spectre_v2=3Doff nopti' to the boot line on 4.9.127 kerne= l > (without Xen), and then it speed is 171 MB/s (10 MB/s faster) > > Seems like this will be a hard one to debug further :( > > Any other idea's are welcome :) > > Thanks > Jean-Louis > > On 11/10/18 17:15, Jean-Louis Dupond wrote: >> >> FYI, >> >> After some additional debugging, I found out that on the machine the >> speed is perfect when running stock CentOS 6 kernel (2.6.32). >> When using a 4.9.x of 4.18.x kernel, the speed is degraded again. >> >> Speed on 2.6.32: 320 MB/s >> Speed on 4.9.x : 55.2 MB/s >> >> But when I disable gro on the storage NIC, It boosts to 157 MB/s. >> That is already better, but still way below what we have on 2.6.32 ...= >> >> I also did tests on plain machine without Xen, and with the same resul= ts. >> So it doesn't looks like its Xen related, but more iSCSi/Kernel. >> >> Thanks >> Jean-Louis >> >> >> On 11-10-18 11:18, Dario Faggioli wrote: >>> [Adding Roger] >>> >>> On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote: >>>> Hi, >>>> >>>> We are hitting some I/O limitation on some of our Xen hypervisors. >>>> The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and >>>> 4.9.105+=20 >>>> kernels. >>>> >>>> The hypervisors are attached with 10G network to the SAN network. >>>> And=20 >>>> there is no congestion at all. >>>> Storage is exported via iSCSI and we use multipathd for failover. >>>> Now we see a performance of +-200MB/sec write speed, but only a poor= =20 >>>> 20-30mb/sec read speed on a LUN on the SAN. >>>> This is while testing this on dom0. Same speeds on domU. >>>> >>>> If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same >>>> LUN=20 >>>> (but attached with 1G), I max out the link (100MB read/write). >>>> >>> Right. But, if I've understood correctly, you're changing two things = (I >>> mean between the two tests), i.e., the hypervisor and the NIC. >>> (BTW, is dom0 kernel the same, or does that also change?). >>> >>> This makes it harder to narrow things down to where the problem could= >>> be. >>> >>> What would be useful to see would be the results of running: >>> - Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host, >>> and compare this with Xen 4.6.6-12.el6, with the same kernel on the= =20 >>> same NIC / host; >>> - Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host, >>> and compare this with Xen 4.4.4-34.el6, with the same kernel on the= >>> same NIC / host. >>> >>> This will tell us, if there is a regression between Xen 4.4.x and Xen= >>> 4.6.x (as that is _the_only_ thing that varies). >>> >>> And this is assuming the versions of the dom0 kernels, and of all the= >>> other components involved are the same. If they're not, we need to go= >>> checking, changing one component at a time. >>> >>>> So it really looks like the Xen 4.6 hypervisors are reaching some=20 >>>> bottleneck. But we couldn't locate it yet :) >>>> >>> There seems to be issues, but from the tests you've performed so far,= I >>> don't think we can conclude the problem is in Xen. And we need to kno= w >>> at least where the problem most likely is, in order to have any chanc= e >>> to find it! :-) >>> >>>> The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty= ! >>>> >>> Probably. But, just in case, have you tried increasing, e.g., the >>> number of dom0's vcpus? Is things like vcpu-pinning or similar featur= es >>> being used? Is the host a NUMA box? (Or, more generally, what are the= >>> characteristics of the host[s]?) >>> >>> Regards, >>> Dario --------------B994266EF5DF5891271168C5 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Hello,

You might be hitting the issue that ha= s been discussed here: https://lists.xenproject.or= g/archives/html/xen-users/2017-07/msg00023.html

We solved the issue by upgrading to th= e latest backport kernel (4.14 at the time), it seemed due to a loop device regression in Linux.

Maybe you should try with a more recen= t kernel ?

Cheers,
--
Matthieu CERDA

Le 16/10/2018 =C3=A0 16:53, Jean-Louis= Dupond a =C3=A9crit=C2=A0:

Did even more testing today, and seems like we hit 2 problems.

On a plain 4.9.13 kernel, without Xen, I get 686 MB/s.
With Xen (on dom0) =3D> 58.8 MB/s

But after upgrade to 4.9.127
without Xen =3D> 161 MB/s
with Xen =3D> 40.3 MB/s

Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64
And that gives the following.

With 4.9.13 kernel: 107 MB/s
With 4.9.127 kernel: 61.9 MB/s

It might be retpoline/spectre/meltdown changes?
Tried adding 'spectre_v2=3Doff nopti' to the boot line on 4.9.127= kernel (without Xen), and then it speed is 171 MB/s (10 MB/s faster)

Seems like this will be a hard one to debug further :(

Any other idea's are welcome :)

Thanks
Jean-Louis

On 11/10/18 17:15, Jean-Louis Dupond= wrote:

FYI,

After some additional debugging, I found out that on the machine the speed is perfect when running stock CentOS 6 kernel (2.6.32).
When using a 4.9.x of 4.18.x kernel, the speed is degraded again.

Speed on 2.6.32: 320 MB/s
Speed on 4.9.x : 55.2 MB/s

But when I disable gro on the storage NIC, It boosts to 157 MB/s.
That is already better, but still way below what we have on 2.6.32 ...

I also did tests on plain machine without Xen, and with the same results.
So it doesn't looks like its Xen related, but more iSCSi/Kernel.

Thanks
Jean-Louis


On 11-10-18 11:18, Dario Faggioli wrote:
[Adding Roger]

On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote:

Hi,

We are hitting some I/O limitation on some of our Xen hypervisors.
The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and
4.9.105+=20
kernels.

The hypervisors are attached with 10G network to the SAN network.
And=20
there is no congestion at all.
Storage is exported via iSCSI and we use multipathd for failover.
Now we see a performance of +-200MB/sec write speed, but only a poor=20
20-30mb/sec read speed on a LUN on the SAN.
This is while testing this on dom0. Same speeds on domU.

If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same
LUN=20
(but attached with 1G), I max out the link (100MB read/write).


Right. But, if I've understood correctly, you're=
 changing two things (I
mean between the two tests), i.e., the hypervisor and the NIC.
(BTW, is dom0 kernel the same, or does that also change?).

This makes it harder to narrow things down to where the problem could
be.

What would be useful to see would be the results of running:
- Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host,
  and compare this with Xen 4.6.6-12.el6, with the same kernel on the=20
  same NIC / host;
- Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host,
  and compare this with Xen 4.4.4-34.el6, with the same kernel on the
  same NIC / host.

This will tell us, if there is a regression between Xen 4.4.x and Xen
4.6.x (as that is _the_only_ thing that varies).

And this is assuming the versions of the dom0 kernels, and of all the
other components involved are the same. If they're not, we need to go
checking, changing one component at a time.


So it really looks like the Xen 4.6 hypervisor=
s are reaching some=20
bottleneck. But we couldn't locate it yet :)


There seems to be issues, but from the tests you=
've performed so far, I
don't think we can conclude the problem is in Xen. And we need to know
at least where the problem most likely is, in order to have any chance
to find it! :-)


The hypervisor's dom0 has 8 vCPU and 8GB RAM, =
which should be plenty!


Probably. But, just in case, have you tried incr=
easing, e.g., the
number of dom0's vcpus? Is things like vcpu-pinning or similar features
being used? Is the host a NUMA box? (Or, more generally, what are the
characteristics of the host[s]?)

Regards,
Dario
--------------B994266EF5DF5891271168C5-- --deqt4ESUAY8EJNfaZxW27EVlKPUaqmKTI-- --ivEvPnV2M9h4lXX62Gj1gdbn9FKQ7Ol41 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEKCyHwj5jvqJVkK7otZBwKzGmz3sFAlvF/4YACgkQtZBwKzGm z3sudQf/eIHdMpBUz1Xq6/l6w5a0PLwvyYxLn1hhe9a5wR54uaBbLKEUpvCRDTZx +Yiay6UNXCFgj+peYWJqCzbs0aK/iurwwa8vPusjUx2kxeAO2ekYxgpM2yhfQ+7X fjXv/2w2Tgdp44rKYUqXbgOh7K7UTRrpROVFguqXLuWXZrxUXwNI+VTy21F3A68C E8wvv4HVe64/QXbhnA98dQd1cgX2Tw0tczc2oa/INzRhUCa8YehGVf5X3XfQ+M6k Ph8LlRRBQPTI3rFylcYnwMiY3NoNXqzBv5Agp6kabDoevaGqgeZLBXoGxmbrVryV Q/6USvJ2nKpJpyDbEVyogGNMIJbc2w== =9xbc -----END PGP SIGNATURE----- --ivEvPnV2M9h4lXX62Gj1gdbn9FKQ7Ol41-- --===============2103544800297485789== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============2103544800297485789==-- From xen-users-bounces@lists.xenproject.org Tue Oct 16 15:29:16 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 16 Oct 2018 15:29:16 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gCRHH-0006dz-2B; Tue, 16 Oct 2018 15:28:59 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gCRHF-0006du-M3 for xen-users@lists.xenproject.org; Tue, 16 Oct 2018 15:28:57 +0000 X-Inumbo-ID: cfa01913-d157-11e8-a8a5-bc764e045a96 Received: from apollo.dupie.be (unknown [2001:bc8:3f2a:101::1]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id cfa01913-d157-11e8-a8a5-bc764e045a96; Tue, 16 Oct 2018 17:26:12 +0200 (CEST) Received: from [10.10.1.221] (systeembeheer.combell.com [217.21.177.69]) by apollo.dupie.be (Postfix) with ESMTPSA id 435AB33C01F2; Tue, 16 Oct 2018 17:28:54 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1539703734; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+Uy8blRez+dqg0XMfgFuBTR0wJuZrozi4Om3tlWtk9s=; b=gXT92uFyiHnkrs6eN/A8S2CCZPMOOekp1HAhfGjVPD1Q4FIMlAwP++qyhlIdTDAKVBOGoJ pa+SBE1hWNVwO5BfbDpYhiSCOU+8jbowMGhnZD5DPPL3G5lwSHv/ksa7pAtPmPdmwu2hCu QZ2jMU3bxRFfrxwa5plbMvHV2MGgtQ3uUv25fC8vxH90vAwBjr+oYtNIDJKezf3vY5FEsb 8hN1q+n6aAFhrssaxUjIJ23IaIYvbdsFEzW1qdmrmZGoGH6KlrYFf1tHfAojuZYnMrwiGZ xf8AMADqlyBlJnfdTLHTvM4TWuUJT6GSe2bI0xSw/6Id/TYTvp+6sRtRivcL5w== To: Matthieu Cerda , xen-users@lists.xenproject.org References: <0a803f4a-2852-cde9-eb5d-473b2dd5ef60@dupond.be> <173a61217097d75e82009c24bc53236697481106.camel@suse.com> <1a5e1fff-cd21-1e2f-509c-7a3b07f70a0d@nbs-system.com> From: Jean-Louis Dupond Message-ID: Date: Tue, 16 Oct 2018 17:28:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <1a5e1fff-cd21-1e2f-509c-7a3b07f70a0d@nbs-system.com> Content-Language: en-US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1539703734; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+Uy8blRez+dqg0XMfgFuBTR0wJuZrozi4Om3tlWtk9s=; b=JSmxm8RQgYJxmLCYxey50lhTQecxBhVqHjrc3ZYepSdzhCy8eg7qolxVC0GPfIICtthvkm lMGznSOvNBNc99aPNZ5x/sO/cfuq2WM4TDPM0SHu+ZcaWIjLdK+E7SNxIQWi3t27KFrhZf INcEGch0uj92RYfw87FsoRQMIE7G2Iuqd5yuDA+B918T5PJdMFfABYDAsvVHTBwE0goNap pht+ibVxwalG/UrpSjjC1MvzNqnDU76Lip8s+rVldCAlhzml3qtbVolkhHtBCWocNHiOK0 vfaQZXEhtzQnZFQvakTWrKNHKhFky+eZpnZwPb1eEDQIjSio8vl33J9N8GyJNg== ARC-Seal: i=1; s=dkim; d=dupond.be; t=1539703734; a=rsa-sha256; cv=none; b=ht95RgAq54H0SPRutbM9M4McV314wrYaRgRIF4eSCvGnrrym+HMNvm/8rCNGJI5IHhl5miBOBPqKUTt8+mLH4yjymRBo7m4+lOfldIU1vGHuK61bcfMaxmCDxrWIJIuerUcjhyBDIZj3MpWFkKR3TplJw/zYwGzD50deJ/9rgWNn1aPIctqQGDaUhTWFy8BP/7rDgwrzSFgmwhTRWNMRMu7Jqp8IyDupLo+1Ps0C6KdhXV5EdmZDOAsPSlr4aHSTOGEjYx4e7C4E7CDP8I7DVDOmct5RmB1wUVjEZnEy+Fty3iyrcuazBviWaCWEF/PTjh3UkCLWdLKztkicF0Nc8w== ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.auth=jean-louis@dupond.be smtp.mailfrom=jean-louis@dupond.be Subject: Re: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1350330156789430855==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============1350330156789430855== Content-Type: multipart/alternative; boundary="------------67A7653E3FCCC13120BD0F15" Content-Language: en-US This is a multi-part message in MIME format. --------------67A7653E3FCCC13120BD0F15 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi Matthieu, I did all tests on dom0, and the bug listed there seems only to affect domU. So I doubt this will be related. Thanks Jean-Louis On 16/10/18 17:11, Matthieu Cerda wrote: > Hello, > > You might be hitting the issue that has been discussed here: > https://lists.xenproject.org/archives/html/xen-users/2017-07/msg00023.html > > We solved the issue by upgrading to the latest backport kernel (4.14 > at the time), it seemed due to a loop device regression in Linux. > > Maybe you should try with a more recent kernel ? > > Cheers, > -- > Matthieu CERDA > > Le 16/10/2018 à 16:53, Jean-Louis Dupond a écrit : >> >> Did even more testing today, and seems like we hit 2 problems. >> >> On a plain 4.9.13 kernel, without Xen, I get 686 MB/s. >> With Xen (on dom0) => 58.8 MB/s >> >> But after upgrade to 4.9.127 >> without Xen => 161 MB/s >> with Xen => 40.3 MB/s >> >> Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64 >> And that gives the following. >> >> With 4.9.13 kernel: 107 MB/s >> With 4.9.127 kernel: 61.9 MB/s >> >> It might be retpoline/spectre/meltdown changes? >> Tried adding 'spectre_v2=off nopti' to the boot line on 4.9.127 >> kernel (without Xen), and then it speed is 171 MB/s (10 MB/s faster) >> >> Seems like this will be a hard one to debug further :( >> >> Any other idea's are welcome :) >> >> Thanks >> Jean-Louis >> >> On 11/10/18 17:15, Jean-Louis Dupond wrote: >>> >>> FYI, >>> >>> After some additional debugging, I found out that on the machine the >>> speed is perfect when running stock CentOS 6 kernel (2.6.32). >>> When using a 4.9.x of 4.18.x kernel, the speed is degraded again. >>> >>> Speed on 2.6.32: 320 MB/s >>> Speed on 4.9.x : 55.2 MB/s >>> >>> But when I disable gro on the storage NIC, It boosts to 157 MB/s. >>> That is already better, but still way below what we have on 2.6.32 ... >>> >>> I also did tests on plain machine without Xen, and with the same >>> results. >>> So it doesn't looks like its Xen related, but more iSCSi/Kernel. >>> >>> Thanks >>> Jean-Louis >>> >>> >>> On 11-10-18 11:18, Dario Faggioli wrote: >>>> [Adding Roger] >>>> >>>> On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote: >>>>> Hi, >>>>> >>>>> We are hitting some I/O limitation on some of our Xen hypervisors. >>>>> The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and >>>>> 4.9.105+ >>>>> kernels. >>>>> >>>>> The hypervisors are attached with 10G network to the SAN network. >>>>> And >>>>> there is no congestion at all. >>>>> Storage is exported via iSCSI and we use multipathd for failover. >>>>> Now we see a performance of +-200MB/sec write speed, but only a poor >>>>> 20-30mb/sec read speed on a LUN on the SAN. >>>>> This is while testing this on dom0. Same speeds on domU. >>>>> >>>>> If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same >>>>> LUN >>>>> (but attached with 1G), I max out the link (100MB read/write). >>>>> >>>> Right. But, if I've understood correctly, you're changing two things (I >>>> mean between the two tests), i.e., the hypervisor and the NIC. >>>> (BTW, is dom0 kernel the same, or does that also change?). >>>> >>>> This makes it harder to narrow things down to where the problem could >>>> be. >>>> >>>> What would be useful to see would be the results of running: >>>> - Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host, >>>> and compare this with Xen 4.6.6-12.el6, with the same kernel on the >>>> same NIC / host; >>>> - Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host, >>>> and compare this with Xen 4.4.4-34.el6, with the same kernel on the >>>> same NIC / host. >>>> >>>> This will tell us, if there is a regression between Xen 4.4.x and Xen >>>> 4.6.x (as that is _the_only_ thing that varies). >>>> >>>> And this is assuming the versions of the dom0 kernels, and of all the >>>> other components involved are the same. If they're not, we need to go >>>> checking, changing one component at a time. >>>> >>>>> So it really looks like the Xen 4.6 hypervisors are reaching some >>>>> bottleneck. But we couldn't locate it yet :) >>>>> >>>> There seems to be issues, but from the tests you've performed so far, I >>>> don't think we can conclude the problem is in Xen. And we need to know >>>> at least where the problem most likely is, in order to have any chance >>>> to find it! :-) >>>> >>>>> The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty! >>>>> >>>> Probably. But, just in case, have you tried increasing, e.g., the >>>> number of dom0's vcpus? Is things like vcpu-pinning or similar features >>>> being used? Is the host a NUMA box? (Or, more generally, what are the >>>> characteristics of the host[s]?) >>>> >>>> Regards, >>>> Dario > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-users --------------67A7653E3FCCC13120BD0F15 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit

Hi Matthieu,

I did all tests on dom0, and the bug listed there seems only to affect domU.
So I doubt this will be related.

Thanks
Jean-Louis

On 16/10/18 17:11, Matthieu Cerda wrote:
Hello,

You might be hitting the issue that has been discussed here: https://lists.xenproject.org/archives/html/xen-users/2017-07/msg00023.html

We solved the issue by upgrading to the latest backport kernel (4.14 at the time), it seemed due to a loop device regression in Linux.

Maybe you should try with a more recent kernel ?

Cheers,
--
Matthieu CERDA

Le 16/10/2018 à 16:53, Jean-Louis Dupond a écrit :

Did even more testing today, and seems like we hit 2 problems.

On a plain 4.9.13 kernel, without Xen, I get 686 MB/s.
With Xen (on dom0) => 58.8 MB/s

But after upgrade to 4.9.127
without Xen => 161 MB/s
with Xen => 40.3 MB/s

Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64
And that gives the following.

With 4.9.13 kernel: 107 MB/s
With 4.9.127 kernel: 61.9 MB/s

It might be retpoline/spectre/meltdown changes?
Tried adding 'spectre_v2=off nopti' to the boot line on 4.9.127 kernel (without Xen), and then it speed is 171 MB/s (10 MB/s faster)

Seems like this will be a hard one to debug further :(

Any other idea's are welcome :)

Thanks
Jean-Louis

On 11/10/18 17:15, Jean-Louis Dupond wrote:

FYI,

After some additional debugging, I found out that on the machine the speed is perfect when running stock CentOS 6 kernel (2.6.32).
When using a 4.9.x of 4.18.x kernel, the speed is degraded again.

Speed on 2.6.32: 320 MB/s
Speed on 4.9.x : 55.2 MB/s

But when I disable gro on the storage NIC, It boosts to 157 MB/s.
That is already better, but still way below what we have on 2.6.32 ...

I also did tests on plain machine without Xen, and with the same results.
So it doesn't looks like its Xen related, but more iSCSi/Kernel.

Thanks
Jean-Louis


On 11-10-18 11:18, Dario Faggioli wrote:
[Adding Roger]

On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote:

Hi,

We are hitting some I/O limitation on some of our Xen hypervisors.
The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and
4.9.105+ 
kernels.

The hypervisors are attached with 10G network to the SAN network.
And 
there is no congestion at all.
Storage is exported via iSCSI and we use multipathd for failover.
Now we see a performance of +-200MB/sec write speed, but only a poor 
20-30mb/sec read speed on a LUN on the SAN.
This is while testing this on dom0. Same speeds on domU.

If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same
LUN 
(but attached with 1G), I max out the link (100MB read/write).


Right. But, if I've understood correctly, you're changing two things (I
mean between the two tests), i.e., the hypervisor and the NIC.
(BTW, is dom0 kernel the same, or does that also change?).

This makes it harder to narrow things down to where the problem could
be.

What would be useful to see would be the results of running:
- Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host,
  and compare this with Xen 4.6.6-12.el6, with the same kernel on the 
  same NIC / host;
- Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host,
  and compare this with Xen 4.4.4-34.el6, with the same kernel on the
  same NIC / host.

This will tell us, if there is a regression between Xen 4.4.x and Xen
4.6.x (as that is _the_only_ thing that varies).

And this is assuming the versions of the dom0 kernels, and of all the
other components involved are the same. If they're not, we need to go
checking, changing one component at a time.


So it really looks like the Xen 4.6 hypervisors are reaching some 
bottleneck. But we couldn't locate it yet :)


There seems to be issues, but from the tests you've performed so far, I
don't think we can conclude the problem is in Xen. And we need to know
at least where the problem most likely is, in order to have any chance
to find it! :-)


The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty!


Probably. But, just in case, have you tried increasing, e.g., the
number of dom0's vcpus? Is things like vcpu-pinning or similar features
being used? Is the host a NUMA box? (Or, more generally, what are the
characteristics of the host[s]?)

Regards,
Dario


_______________________________________________
Xen-users mailing list
Xen-users@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users
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ORIGINATING; auth=pass smtp.auth=jean-louis@dupond.be smtp.mailfrom=jean-louis@dupond.be Subject: Re: [Xen-users] Bad iSCSI I/O performance on Xen 4.6 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3603726380353646318==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============3603726380353646318== Content-Type: multipart/alternative; boundary="------------4258D8BDC37468DFFFED0742" Content-Language: en-US This is a multi-part message in MIME format. --------------4258D8BDC37468DFFFED0742 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Even did some more tests today :) Xen 4.8 and 4.10 have the same results. No change there unfortunately :( But when playing around with dom0 CPU's and pinning, got the following results: dom0 -> 2cpu - no pinning => 73.5 MB/s dom0 -> 2cpu + pinning => 519 MB/s dom0 -> 8cpu + pinning => 124 MB/s This was with 4.9.127-32.el6.x86_64 and Xen 4.10.2-1.el6. Perfomance inside the VM is still really bad: 18.4 MB/s :( Thanks Jean-Louis On 16/10/18 17:28, Jean-Louis Dupond wrote: > > Hi Matthieu, > > I did all tests on dom0, and the bug listed there seems only to affect > domU. > So I doubt this will be related. > > Thanks > Jean-Louis > > On 16/10/18 17:11, Matthieu Cerda wrote: >> Hello, >> >> You might be hitting the issue that has been discussed here: >> https://lists.xenproject.org/archives/html/xen-users/2017-07/msg00023.html >> >> We solved the issue by upgrading to the latest backport kernel (4.14 >> at the time), it seemed due to a loop device regression in Linux. >> >> Maybe you should try with a more recent kernel ? >> >> Cheers, >> -- >> Matthieu CERDA >> >> Le 16/10/2018 à 16:53, Jean-Louis Dupond a écrit : >>> >>> Did even more testing today, and seems like we hit 2 problems. >>> >>> On a plain 4.9.13 kernel, without Xen, I get 686 MB/s. >>> With Xen (on dom0) => 58.8 MB/s >>> >>> But after upgrade to 4.9.127 >>> without Xen => 161 MB/s >>> with Xen => 40.3 MB/s >>> >>> Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64 >>> And that gives the following. >>> >>> With 4.9.13 kernel: 107 MB/s >>> With 4.9.127 kernel: 61.9 MB/s >>> >>> It might be retpoline/spectre/meltdown changes? >>> Tried adding 'spectre_v2=off nopti' to the boot line on 4.9.127 >>> kernel (without Xen), and then it speed is 171 MB/s (10 MB/s faster) >>> >>> Seems like this will be a hard one to debug further :( >>> >>> Any other idea's are welcome :) >>> >>> Thanks >>> Jean-Louis >>> >>> On 11/10/18 17:15, Jean-Louis Dupond wrote: >>>> >>>> FYI, >>>> >>>> After some additional debugging, I found out that on the machine >>>> the speed is perfect when running stock CentOS 6 kernel (2.6.32). >>>> When using a 4.9.x of 4.18.x kernel, the speed is degraded again. >>>> >>>> Speed on 2.6.32: 320 MB/s >>>> Speed on 4.9.x : 55.2 MB/s >>>> >>>> But when I disable gro on the storage NIC, It boosts to 157 MB/s. >>>> That is already better, but still way below what we have on 2.6.32 ... >>>> >>>> I also did tests on plain machine without Xen, and with the same >>>> results. >>>> So it doesn't looks like its Xen related, but more iSCSi/Kernel. >>>> >>>> Thanks >>>> Jean-Louis >>>> >>>> >>>> On 11-10-18 11:18, Dario Faggioli wrote: >>>>> [Adding Roger] >>>>> >>>>> On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote: >>>>>> Hi, >>>>>> >>>>>> We are hitting some I/O limitation on some of our Xen hypervisors. >>>>>> The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and >>>>>> 4.9.105+ >>>>>> kernels. >>>>>> >>>>>> The hypervisors are attached with 10G network to the SAN network. >>>>>> And >>>>>> there is no congestion at all. >>>>>> Storage is exported via iSCSI and we use multipathd for failover. >>>>>> Now we see a performance of +-200MB/sec write speed, but only a poor >>>>>> 20-30mb/sec read speed on a LUN on the SAN. >>>>>> This is while testing this on dom0. Same speeds on domU. >>>>>> >>>>>> If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same >>>>>> LUN >>>>>> (but attached with 1G), I max out the link (100MB read/write). >>>>>> >>>>> Right. But, if I've understood correctly, you're changing two things (I >>>>> mean between the two tests), i.e., the hypervisor and the NIC. >>>>> (BTW, is dom0 kernel the same, or does that also change?). >>>>> >>>>> This makes it harder to narrow things down to where the problem could >>>>> be. >>>>> >>>>> What would be useful to see would be the results of running: >>>>> - Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host, >>>>> and compare this with Xen 4.6.6-12.el6, with the same kernel on the >>>>> same NIC / host; >>>>> - Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host, >>>>> and compare this with Xen 4.4.4-34.el6, with the same kernel on the >>>>> same NIC / host. >>>>> >>>>> This will tell us, if there is a regression between Xen 4.4.x and Xen >>>>> 4.6.x (as that is _the_only_ thing that varies). >>>>> >>>>> And this is assuming the versions of the dom0 kernels, and of all the >>>>> other components involved are the same. If they're not, we need to go >>>>> checking, changing one component at a time. >>>>> >>>>>> So it really looks like the Xen 4.6 hypervisors are reaching some >>>>>> bottleneck. But we couldn't locate it yet :) >>>>>> >>>>> There seems to be issues, but from the tests you've performed so far, I >>>>> don't think we can conclude the problem is in Xen. And we need to know >>>>> at least where the problem most likely is, in order to have any chance >>>>> to find it! :-) >>>>> >>>>>> The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty! >>>>>> >>>>> Probably. But, just in case, have you tried increasing, e.g., the >>>>> number of dom0's vcpus? Is things like vcpu-pinning or similar features >>>>> being used? Is the host a NUMA box? (Or, more generally, what are the >>>>> characteristics of the host[s]?) >>>>> >>>>> Regards, >>>>> Dario >> >> _______________________________________________ >> Xen-users mailing list >> Xen-users@lists.xenproject.org >> https://lists.xenproject.org/mailman/listinfo/xen-users --------------4258D8BDC37468DFFFED0742 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit

Even did some more tests today :)

Xen 4.8 and 4.10 have the same results. No change there unfortunately :(

But when playing around with dom0 CPU's and pinning, got the following results:
dom0 -> 2cpu - no pinning => 73.5 MB/s
dom0 -> 2cpu + pinning => 519 MB/s
dom0 -> 8cpu + pinning => 124 MB/s

This was with 4.9.127-32.el6.x86_64 and Xen 4.10.2-1.el6.

Perfomance inside the VM is still really bad: 18.4 MB/s :(

Thanks
Jean-Louis

On 16/10/18 17:28, Jean-Louis Dupond wrote:

Hi Matthieu,

I did all tests on dom0, and the bug listed there seems only to affect domU.
So I doubt this will be related.

Thanks
Jean-Louis

On 16/10/18 17:11, Matthieu Cerda wrote:
Hello,

You might be hitting the issue that has been discussed here: https://lists.xenproject.org/archives/html/xen-users/2017-07/msg00023.html

We solved the issue by upgrading to the latest backport kernel (4.14 at the time), it seemed due to a loop device regression in Linux.

Maybe you should try with a more recent kernel ?

Cheers,
--
Matthieu CERDA

Le 16/10/2018 à 16:53, Jean-Louis Dupond a écrit :

Did even more testing today, and seems like we hit 2 problems.

On a plain 4.9.13 kernel, without Xen, I get 686 MB/s.
With Xen (on dom0) => 58.8 MB/s

But after upgrade to 4.9.127
without Xen => 161 MB/s
with Xen => 40.3 MB/s

Then I tried downgrading to Xen xen-4.6.6-8.el6.x86_64
And that gives the following.

With 4.9.13 kernel: 107 MB/s
With 4.9.127 kernel: 61.9 MB/s

It might be retpoline/spectre/meltdown changes?
Tried adding 'spectre_v2=off nopti' to the boot line on 4.9.127 kernel (without Xen), and then it speed is 171 MB/s (10 MB/s faster)

Seems like this will be a hard one to debug further :(

Any other idea's are welcome :)

Thanks
Jean-Louis

On 11/10/18 17:15, Jean-Louis Dupond wrote:

FYI,

After some additional debugging, I found out that on the machine the speed is perfect when running stock CentOS 6 kernel (2.6.32).
When using a 4.9.x of 4.18.x kernel, the speed is degraded again.

Speed on 2.6.32: 320 MB/s
Speed on 4.9.x : 55.2 MB/s

But when I disable gro on the storage NIC, It boosts to 157 MB/s.
That is already better, but still way below what we have on 2.6.32 ...

I also did tests on plain machine without Xen, and with the same results.
So it doesn't looks like its Xen related, but more iSCSi/Kernel.

Thanks
Jean-Louis


On 11-10-18 11:18, Dario Faggioli wrote:
[Adding Roger]

On Mon, 2018-10-08 at 13:10 +0200, Jean-Louis Dupond wrote:

Hi,

We are hitting some I/O limitation on some of our Xen hypervisors.
The hypervisors are running CentOS 6 with Xen 4.6.6-12.el6 and
4.9.105+ 
kernels.

The hypervisors are attached with 10G network to the SAN network.
And 
there is no congestion at all.
Storage is exported via iSCSI and we use multipathd for failover.
Now we see a performance of +-200MB/sec write speed, but only a poor 
20-30mb/sec read speed on a LUN on the SAN.
This is while testing this on dom0. Same speeds on domU.

If I do the same test on a Xen 4.4.4-34.el6 hypervisor to the same
LUN 
(but attached with 1G), I max out the link (100MB read/write).


Right. But, if I've understood correctly, you're changing two things (I
mean between the two tests), i.e., the hypervisor and the NIC.
(BTW, is dom0 kernel the same, or does that also change?).

This makes it harder to narrow things down to where the problem could
be.

What would be useful to see would be the results of running:
- Xen 4.4.4-34.el6, with 4.9.105+ dom0 kernel on the 10G NIC / host,
  and compare this with Xen 4.6.6-12.el6, with the same kernel on the 
  same NIC / host;
- Xen 4.6.6-12.el6, with 4.9.105+ dom0 kernel on the 1G NIC / host,
  and compare this with Xen 4.4.4-34.el6, with the same kernel on the
  same NIC / host.

This will tell us, if there is a regression between Xen 4.4.x and Xen
4.6.x (as that is _the_only_ thing that varies).

And this is assuming the versions of the dom0 kernels, and of all the
other components involved are the same. If they're not, we need to go
checking, changing one component at a time.


So it really looks like the Xen 4.6 hypervisors are reaching some 
bottleneck. But we couldn't locate it yet :)


There seems to be issues, but from the tests you've performed so far, I
don't think we can conclude the problem is in Xen. And we need to know
at least where the problem most likely is, in order to have any chance
to find it! :-)


The hypervisor's dom0 has 8 vCPU and 8GB RAM, which should be plenty!


Probably. But, just in case, have you tried increasing, e.g., the
number of dom0's vcpus? Is things like vcpu-pinning or similar features
being used? Is the host a NUMA box? (Or, more generally, what are the
characteristics of the host[s]?)

Regards,
Dario


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I have two ASUS PRI= ME Z270-A machines based on Intel Z270 chipset and am wondering about when = support will be available for them and what I can do to speed this up.

But I have not done anything to do with kernel work si= nce years ago when I read a lot of the main parts of the Linux 2.4 Kernel. = Also I did code to get into and out of protected mode before this.

Heres the datasheets that cover the chipset :-
<= br>
https://www.intel.com/content/www/us/en/chip= sets/200-series-chipset-pch-datasheet-vol-2.html

Regards,

Aaron

--
Aaron Gray

Independent Open Source Software= Engineer, Computer Language Researcher, Information Theorist, and amateur = computer scientist.
--00000000000008912105788485e2-- --===============7886851785489840186== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============7886851785489840186==-- From xen-users-bounces@lists.xenproject.org Fri Oct 19 14:12:14 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 19 Oct 2018 14:12:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gDVUW-0001Lr-0v; Fri, 19 Oct 2018 14:11:04 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gChNj-0002Fo-8g for xen-users@lists.xenproject.org; Wed, 17 Oct 2018 08:40:43 +0000 X-Inumbo-ID: f16aff46-d1e7-11e8-a8a5-bc764e045a96 Received: from mail-wm1-x330.google.com (unknown [2a00:1450:4864:20::330]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id f16aff46-d1e7-11e8-a8a5-bc764e045a96; Wed, 17 Oct 2018 10:37:56 +0200 (CEST) Received: by mail-wm1-x330.google.com with SMTP id z25-v6so948002wmf.1 for ; Wed, 17 Oct 2018 01:40:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=HMp/+ph123BxWhwj9ULWlzXicn/N6B92kdPNUhhRVNI=; b=AQHj4G3VbINdM+r2fAZUc0uUSd0upABvtOyvFEMqZF+Fm/MkHg8UnLUWX46Dw/Rjkq zkNkDoxzsEApEqoYmxYqd4M7MUWElgVMBbTXb1TPMBPZkh9FbcpcxyklIPxMqjMp4dXq BZycx+iL2f8Xi2Z2qDZkjC4j49FOt5GYzOpMjSSfBl7kv6siQZDosVjA9Fa0JqJIcAlC mKV0nkGFg0sX1oqkhWvoZ5sjDEOFcvRe3dHfbOiPTWgPiVYw59yDwx4u0p7nd/owFTSM 49mwutnbijckxAlxaA0ZSiCrOG/gUF1mmQ1sMMJOVqXpwOTCxyleAL1xY3Ou4Ot9lxVi SjWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=HMp/+ph123BxWhwj9ULWlzXicn/N6B92kdPNUhhRVNI=; b=aixcglg9pS28X+NHquEwI5wuAYBlWHA+MV1R/Ak/iRcjYbY1AzuxPx/eXKv1L/NA3U c0CHUXhxI6yUAaZcHNyM2zEtCXM1yzD77nlkJw4XEf6848a7ZE5AGKyxU0p5jwIVGxha plXNxlAFR4x2pcDAvYBcp/4mHLaBXqgOOb2RKWRxSsUirZ5h6bkqaTXneRVvA/KN8wAC O6UTBRqnQk7fQGYGx1/dNOrI6F0JPuT2Vb1GmpBHKVTxAOVGNYmkLf1MROccitwbisX4 UZbvSNRoz8nRDlBC/M65Gu5whP+QPuoPLIEv9gHqlbeslmh4soJ/gbGtRChFyJyaWAsK VjUQ== X-Gm-Message-State: ABuFfohgxYHIhd7CbdaFYaZC8edA8QhS04VpxiCzipXZ4q1YRtaUbK1A no98JrfpvupLfaCopncARDsVEMSS/K0isQcaArgDPg== X-Google-Smtp-Source: ACcGV60wdqUfn6+4Hjkz4UveW7bFkYyuXqYj79IpJF4CynfTk6Y177vK1DwxnCCeHzepJPHjTe+Ef0csmaXPK/opme4= X-Received: by 2002:a1c:8942:: with SMTP id l63-v6mr1909420wmd.66.1539765638790; Wed, 17 Oct 2018 01:40:38 -0700 (PDT) MIME-Version: 1.0 From: Kamal Kannan Date: Wed, 17 Oct 2018 14:10:26 +0530 Message-ID: To: xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="000000000000f02ccc0578689f24" X-Mailman-Approved-At: Fri, 19 Oct 2018 14:11:02 +0000 Subject: [Xen-users] Xen Dom0 crashing X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --000000000000f02ccc0578689f24 Content-Type: multipart/alternative; boundary="000000000000f02cc70578689f22" --000000000000f02cc70578689f22 Content-Type: text/plain; charset="UTF-8" Hi team, Please find logs --000000000000f02cc70578689f22 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi team,=C2=A0
Please find logs
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s=20161025; h=x-gm-message-state:mime-version:reply-to:from:date:message-id :subject:to; bh=t5QkCmpkyLkSE++0LF2sH6ulcE8qw0iRdMcdYoc7ly8=; b=NXpXxIwzKt7Qikmw4bG6ek3MfjuXDGezAC8JalDWcGg3Aqj5SMqZa7L1jvjgXDaBWD 21e4EVJ2dlLHNVIDpa4b5OVbQo59liHR2uwmoi9JZnHS5aETiOcTwXhTNQLlAGm5hTYC 6Z+0G5+s94jgRpt4ZvDNmo5VFg3D1ZnBd5Yrw9qEFc+BW4qbI8uV7djJkXo5DIv1QhNy xfL0y8IS6mIBYi4sTgFci/bnVsEqCiVbyaTBwrSBimWawB0NwSK+FEfm4XdcmeGT9Bx4 sBGnWW1X9QOudAmYBSUt7tCSS/MHpyyUPIXV4xP54mgLIlrF1H3G4MB8+nkmZUPOGyWL CMHw== X-Gm-Message-State: AGRZ1gLho9exVPdjSZfoxp62m53HuiQHjetnpsjG6BFvRBOPcFwSDQu/ dOpTaAHvMSXrLqmjBQ52L9/28EanjuB/mmod5EMZWg== X-Google-Smtp-Source: AJdET5c6ywF6fwqHZ7jxb5jKFPUTvHplhX21m1uVUNalXcsSsHL0LsXJ7BVxwjyy7efWAE1UOKWKjZzcMQzC+y32XlU= X-Received: by 2002:a9d:3d62:: with SMTP id a89mr1703089otc.128.1540386880337; Wed, 24 Oct 2018 06:14:40 -0700 (PDT) MIME-Version: 1.0 From: Eric Duncan Date: Wed, 24 Oct 2018 09:13:56 -0400 Message-ID: To: "xen-users@lists.xenproject.org" Subject: [Xen-users] Connect to dom0 console from domU? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: eduncan911@gmail.com Content-Type: multipart/mixed; boundary="===============4706655346012749516==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============4706655346012749516== Content-Type: multipart/alternative; boundary="000000000000d1ccc60578f94480" --000000000000d1ccc60578f94480 Content-Type: text/plain; charset="UTF-8" Is it possible to enable and share some tty serial device or pipe with a trusted domU VM? /tl;dr I have air-gapped my dom0 (PCI passthrough all NICs to untrusted domUs for networking, no netback/netfront for dom0). Aka, the Qubes OS model. I currently have a RPi connected to the serial header on the system for console of dom0. It's on a non-routable dedicated network itself; however, I would like to get rid of this setup. I do have a trusted and hardened management domU running sshd that I could use for this purpose. Thanks! -E --000000000000d1ccc60578f94480 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Is it possible to enable and share some tty serial device = or pipe with a trusted domU VM?

/tl;dr

I have air-gapped my dom0 (PCI passthrough all NICs to untrusted domU= s for networking, no netback/netfront for dom0).=C2=A0 Aka, the Qubes OS mo= del.

I currently have a RPi connected to the seria= l header on the system for console of dom0.=C2=A0 It's on a non-routabl= e dedicated network itself; however, I would like to get rid of this setup.=

I do have a trusted and hardened management domU = running sshd that I could use for this purpose.

<= div>Thanks!
-E
--000000000000d1ccc60578f94480-- --===============4706655346012749516== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============4706655346012749516==-- From xen-users-bounces@lists.xenproject.org Wed Oct 24 13:26:34 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 13:26:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFJAY-0007tU-HE; Wed, 24 Oct 2018 13:25:54 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFJAX-0007tL-Jm for xen-users@lists.xenproject.org; Wed, 24 Oct 2018 13:25:53 +0000 X-Inumbo-ID: eb3eb91d-d78f-11e8-a8a5-bc764e045a96 Received: from mail-ot1-x32a.google.com (unknown [2607:f8b0:4864:20::32a]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id eb3eb91d-d78f-11e8-a8a5-bc764e045a96; Wed, 24 Oct 2018 15:22:56 +0200 (CEST) Received: by mail-ot1-x32a.google.com with SMTP id w18so2047649otk.0; Wed, 24 Oct 2018 06:25:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:reply-to:from:date:message-id :subject:to:cc; bh=nNHJDOmSi4DENVVzL5nlsYk/jX7Yi7FYUw0Fdqm2XWQ=; b=JkM3AJgq+rqpBNnA1p5hhSl479e0BH1UkmBPevItZiJKjYWYQlgO/kxG6YBxLzHb1o HA4fp/2AgFmPJ0+GlSiXiJJBJ9hzpwB81CoynmZwA65+k8eJDOERfgxYMEJdZgkfuAci EuYP8x/vwZJfgW+PuSZT6N5BYAwluRw0Kh1iMIkryLrxXWVWRyCEANqG79i+NgFFDU4k ohEwql+QWN+qX3B1JzdQ7dGRnFql5QzX4fHHocb3OliNk35CGXSUO0UqWhnuI2Xx0IJF bWUBcqaC2h4Y2CJBel1Pt/J6lUzJjj6eUdJCGxySELigDnwAWYafbd2s5Lz/qP0Y9uQf jgug== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:reply-to :from:date:message-id:subject:to:cc; bh=nNHJDOmSi4DENVVzL5nlsYk/jX7Yi7FYUw0Fdqm2XWQ=; b=KK2hj212pJQ0rkmGXHzIqDQQD3HGILzUZMbiQ8yMpK0Bk2fqrep8d9OnIlLiyH54x4 L0p/N0LlnY7WHH+/E3oUyL2ybh+zEW0H6+jOJdIWm0tXBTbuZ3S27HyunY8fBTO5AIJP DwBjIlpemMpIQbLF35OJD+rt4bqcAa2p4k3Scho/sin+wnXenLcJJ+EbG0fW0T5ONkA3 ZG1gp3o4ZGoYXwFxCnK4FKV0nV9Vd0DGzRgS/ACa3R6P6PRtWu41orpjgQTgnLa2TwEW RTZjFfrc6mDEhC11E2Zl79omr51P8u2DtUnVxzdTKMDa5UlIKgy6zjgfmaLUNEXrJqTf LZsw== X-Gm-Message-State: AGRZ1gI3NpK6U1hxthKN1FAOFxqVRJABe0v0drRWB4aHc389t6uEe8Au D1G2VKnEquhk9SAc7oLkncXEpkz8s9fEYDY7UW8= X-Google-Smtp-Source: AJdET5dDn+wCoiLdO43OiGs1s3/LzgMPqEeZZ7oPDlDIyq1p2H6suUu/MGiofX/8zfcl6jnfVWkrDe288jKg5MnaTQQ= X-Received: by 2002:a9d:2564:: with SMTP id j33mr1755057otd.193.1540387552188; Wed, 24 Oct 2018 06:25:52 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Eric Duncan Date: Wed, 24 Oct 2018 09:25:09 -0400 Message-ID: To: Aaron Gray Subject: Re: [Xen-users] Intel Z270 support X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: eduncan911@gmail.com Cc: xen-devel@lists.xenproject.org, xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============8184890817118386173==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============8184890817118386173== Content-Type: multipart/alternative; boundary="000000000000dd5e890578f96cd5" --000000000000dd5e890578f96cd5 Content-Type: text/plain; charset="UTF-8" On Thu, Oct 18, 2018 at 2:03 PM Aaron Gray wrote: > I have two ASUS PRIME Z270-A machines based on Intel Z270 chipset and am > wondering about when support will be available for them and what I can do > to speed this up. > > But I have not done anything to do with kernel work since years ago when I > read a lot of the main parts of the Linux 2.4 Kernel. Also I did code to > get into and out of protected mode before this. > > Heres the datasheets that cover the chipset :- > > > https://www.intel.com/content/www/us/en/chipsets/200-series-chipset-pch-datasheet-vol-1.html > > https://www.intel.com/content/www/us/en/chipsets/200-series-chipset-pch-datasheet-vol-2.html > > Regards, > > Aaron > It's your Linux kernel that needs to support your hardware, not Xen itself. I personally run Xen with an Arch Linux dom0 specifically for this purpose of getting the latest hardware support across my devices. For example, I am on kernel 4.18.10 at this moment. The AUR also keeps a fairly recent version of Xen, currently 4.11. -E --000000000000dd5e890578f96cd5 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

On Thu, Oc= t 18, 2018 at 2:03 PM Aaron Gray wrote:
I have two ASU= S PRIME Z270-A machines based on Intel Z270 chipset and am wondering about = when support will be available for them and what I can do to speed this up.=

But I have not done anything to do with kernel wo= rk since years ago when I read a lot of the main parts of the Linux 2.4 Ker= nel. Also I did code to get into and out of protected mode before this.

Heres the datasheets that cover the chipset :-
<= div>

Regards,

Aaron

It's y= our Linux kernel that needs to support your hardware, not Xen itself.
=

I personally run Xen with an Arch Linux dom0 specifical= ly for this purpose of getting the latest hardware support across my device= s.=C2=A0 For example, I am on kernel 4.18.10 at this moment.=C2=A0 The AUR = also keeps a fairly recent version of Xen, currently 4.11.

-E
--000000000000dd5e890578f96cd5-- --===============8184890817118386173== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============8184890817118386173==-- From xen-users-bounces@lists.xenproject.org Wed Oct 24 14:17:09 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 14:17:09 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFJxQ-0004um-IG; Wed, 24 Oct 2018 14:16:24 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFJxO-0004uU-UX for xen-users@lists.xen.org; Wed, 24 Oct 2018 14:16:22 +0000 X-Inumbo-ID: 97f89d20-d797-11e8-a6a9-d7ebe60f679a Received: from outprodmail02.cc.columbia.edu (unknown [128.59.72.51]) by us1-amaz-eas1.inumbo.com (Halon) with ESMTPS id 97f89d20-d797-11e8-a6a9-d7ebe60f679a; Wed, 24 Oct 2018 14:17:52 +0000 (UTC) Received: from hazelnut (hazelnut.cc.columbia.edu [128.59.213.250]) by outprodmail02.cc.columbia.edu (8.14.4/8.14.4) with ESMTP id w9OEBoA2006838 for ; Wed, 24 Oct 2018 10:16:21 -0400 Received: from hazelnut (localhost.localdomain [127.0.0.1]) by hazelnut (Postfix) with ESMTP id BB7846D for ; Wed, 24 Oct 2018 10:16:21 -0400 (EDT) Received: from sendprodmail03.cc.columbia.edu (sendprodmail03.cc.columbia.edu [128.59.72.15]) by hazelnut (Postfix) with ESMTP id A5EFF6D for ; Wed, 24 Oct 2018 10:16:21 -0400 (EDT) Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by sendprodmail03.cc.columbia.edu (8.14.4/8.14.4) with ESMTP id w9OEGKQ8022731 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=NOT) for ; Wed, 24 Oct 2018 10:16:21 -0400 Received: by mail-ed1-f72.google.com with SMTP id b34-v6so2859084ede.5 for ; Wed, 24 Oct 2018 07:16:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=a2zFWzK5720Lau4TFsrjrq0kcxzdmn3/RJhHdVlqvnE=; b=Qjr3zbtgHfD7UJtUd9UK0wVokUZVbxXZ0i+JjFPteZys1oGRRJd/JuUeXyiQsAS+5K zaNHG31xbvEOmUSI+Dzqt5jN+GtoK619jXCl2vimBr3HAOmMNI8Z0TJoXz/GfLioUU9B ryROiRN/x3VjjVEm2AvbL7TYk0p6o/eDLG8c7+CNdE49pXYfLnqf8XbxBHTr/gcj8c8I wSvxYX8IaA7p1r6/jsoYfIPY2gv1n8aT4l8XBC+8XSdbCDKEJwaIkiJ5iZQfSJj/17GC MTSBE9rcOOno2h8aPCWhlgHeQjVY/PR14sZuuFw1pz08a19H5MpgdlD18pNW+x5RErqd +jnA== X-Gm-Message-State: AGRZ1gLBwJEuLdQZmGLKKjDPnwppLSkYFAM5mVlerhEZNVcl+5I5ArlT bijCaVskH9KGg0P3oxMgv2AplNifycdv53d8Cozjw9m/ICtdmEEEG/f3KnCAHuXd8c51wGZl+8G idTbE7rn1xZ4tSr2NTjaYNmsGwQ== X-Received: by 2002:a17:906:60c2:: with SMTP id f2-v6mr1505703ejk.191.1540390580237; Wed, 24 Oct 2018 07:16:20 -0700 (PDT) X-Google-Smtp-Source: AJdET5dVah7pN/L7xFNQMJROQ+j2QiOFJdVbDBu9XXz5pvOk//s7cRbXyDhDymtAMyCqhTqdCoDIYg== X-Received: by 2002:a17:906:60c2:: with SMTP id f2-v6mr1505694ejk.191.1540390579999; Wed, 24 Oct 2018 07:16:19 -0700 (PDT) Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com. [209.85.221.44]) by smtp.gmail.com with ESMTPSA id z16-v6sm652405eju.61.2018.10.24.07.16.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Oct 2018 07:16:18 -0700 (PDT) Received: by mail-wr1-f44.google.com with SMTP id r10-v6so4896809wrv.6 for ; Wed, 24 Oct 2018 07:16:18 -0700 (PDT) X-Received: by 2002:adf:826b:: with SMTP id 98-v6mr3166463wrb.312.1540390578013; Wed, 24 Oct 2018 07:16:18 -0700 (PDT) MIME-Version: 1.0 From: Jintack Lim Date: Wed, 24 Oct 2018 10:16:07 -0400 X-Gmail-Original-Message-ID: Message-ID: To: xen-devel@lists.xenproject.org, xen-users@lists.xen.org X-No-Spam-Score: Local X-Scanned-By: MIMEDefang 2.78 on 128.59.72.15 Subject: [Xen-users] How to use PV drivers with fully virtualized HVM on x86? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SGksCgpJJ20gaW50ZXJlc3RlZCBydW5uaW5nIEhWTSBEb21VIG9ubHkgd2l0aCBQViBkcml2ZXJz IChuZXR3b3JrIGFuZApkaXNrKS4gRW5hYmxpbmcgQ09ORklHX1hFTl9ORVRERVZfRlJPTlRFTkQg YW5kIHN0dWZmIGRpZG4ndCBtYWtlIERvbVUKc2VlIHRoZSBQViBkZXZpY2VzIHVudGlsIEkgZW5h YmxlZCBDT05GSUdfWEVOX1BWSFZNLgoKQnV0IGJ5IGxvb2tpbmcgYXQgdGhlIHZpcnR1YWxpemF0 aW9uIHNwZWN0cnVtWzFdLCBpdCBzZWVtcyBwb3NzaWJsZSB0bwpkbyAiSFZNIHdpdGggUFYgZHJp dmVycyIsIGJ1dCBJIGNvdWxkbid0IGZpbmQgYW55IGd1aWRlIChpLmUuCmtlcm5lbC94ZW4gY29u ZmlndXJhdGlvbikgdG8gZG8gdGhhdC4gQ291bGQgYW55b25lIHNoZWQgc29tZSBsaWdodCBvbgp0 aGlzPwoKSSdtIGN1cnJlbnRseSB1c2luZyBMaW51eCBrZXJuZWwgNC4xNSwgYW5kIFhlbiA0LjEw LjEuCgpUaGFua3MsCkppbnRhY2sKClsxXSBodHRwczovL3dpa2kueGVucHJvamVjdC5vcmcvd2lr aS9VbmRlcnN0YW5kaW5nX3RoZV9WaXJ0dWFsaXphdGlvbl9TcGVjdHJ1bQoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi11c2VycyBtYWlsaW5nIGxp c3QKWGVuLXVzZXJzQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVj dC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tdXNlcnM= From xen-users-bounces@lists.xenproject.org Wed Oct 24 14:30:13 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 14:30:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFKAG-0006SY-Gk; Wed, 24 Oct 2018 14:29:40 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFKAF-0006SO-20 for xen-users@lists.xen.org; Wed, 24 Oct 2018 14:29:39 +0000 X-Inumbo-ID: d25003bb-d798-11e8-a8a5-bc764e045a96 Received: from mx1.suse.de (unknown [195.135.220.15]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id d25003bb-d798-11e8-a8a5-bc764e045a96; Wed, 24 Oct 2018 16:26:40 +0200 (CEST) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id A7490B0A4; Wed, 24 Oct 2018 14:29:35 +0000 (UTC) To: Jintack Lim , xen-devel@lists.xenproject.org, xen-users@lists.xen.org References: From: Juergen Gross Openpgp: preference=signencrypt Autocrypt: addr=jgross@suse.com; prefer-encrypt=mutual; keydata= xsBNBFOMcBYBCACgGjqjoGvbEouQZw/ToiBg9W98AlM2QHV+iNHsEs7kxWhKMjrioyspZKOB ycWxw3ie3j9uvg9EOB3aN4xiTv4qbnGiTr3oJhkB1gsb6ToJQZ8uxGq2kaV2KL9650I1SJve dYm8Of8Zd621lSmoKOwlNClALZNew72NjJLEzTalU1OdT7/i1TXkH09XSSI8mEQ/ouNcMvIJ NwQpd369y9bfIhWUiVXEK7MlRgUG6MvIj6Y3Am/BBLUVbDa4+gmzDC9ezlZkTZG2t14zWPvx XP3FAp2pkW0xqG7/377qptDmrk42GlSKN4z76ELnLxussxc7I2hx18NUcbP8+uty4bMxABEB AAHNHkp1ZXJnZW4gR3Jvc3MgPGpncm9zc0BzdXNlLmRlPsLAeQQTAQIAIwUCU4xw6wIbAwcL CQgHAwIBBhUIAgkKCwQWAgMBAh4BAheAAAoJELDendYovxMvi4UH/Ri+OXlObzqMANruTd4N zmVBAZgx1VW6jLc8JZjQuJPSsd/a+bNr3BZeLV6lu4Pf1Yl2Log129EX1KWYiFFvPbIiq5M5 kOXTO8Eas4CaScCvAZ9jCMQCgK3pFqYgirwTgfwnPtxFxO/F3ZcS8jovza5khkSKL9JGq8Nk czDTruQ/oy0WUHdUr9uwEfiD9yPFOGqp4S6cISuzBMvaAiC5YGdUGXuPZKXLpnGSjkZswUzY d9BVSitRL5ldsQCg6GhDoEAeIhUC4SQnT9SOWkoDOSFRXZ+7+WIBGLiWMd+yKDdRG5RyP/8f 3tgGiB6cyuYfPDRGsELGjUaTUq3H2xZgIPfOwE0EU4xwFgEIAMsx+gDjgzAY4H1hPVXgoLK8 B93sTQFN9oC6tsb46VpxyLPfJ3T1A6Z6MVkLoCejKTJ3K9MUsBZhxIJ0hIyvzwI6aYJsnOew cCiCN7FeKJ/oA1RSUemPGUcIJwQuZlTOiY0OcQ5PFkV5YxMUX1F/aTYXROXgTmSaw0aC1Jpo w7Ss1mg4SIP/tR88/d1+HwkJDVW1RSxC1PWzGizwRv8eauImGdpNnseneO2BNWRXTJumAWDD pYxpGSsGHXuZXTPZqOOZpsHtInFyi5KRHSFyk2Xigzvh3b9WqhbgHHHE4PUVw0I5sIQt8hJq 5nH5dPqz4ITtCL9zjiJsExHuHKN3NZsAEQEAAcLAXwQYAQIACQUCU4xwFgIbDAAKCRCw3p3W KL8TL0P4B/9YWver5uD/y/m0KScK2f3Z3mXJhME23vGBbMNlfwbr+meDMrJZ950CuWWnQ+d+ Ahe0w1X7e3wuLVODzjcReQ/v7b4JD3wwHxe+88tgB9byc0NXzlPJWBaWV01yB2/uefVKryAf AHYEd0gCRhx7eESgNBe3+YqWAQawunMlycsqKa09dBDL1PFRosF708ic9346GLHRc6Vj5SRA UTHnQqLetIOXZm3a2eQ1gpQK9MmruO86Vo93p39bS1mqnLLspVrL4rhoyhsOyh0Hd28QCzpJ wKeHTd0MAWAirmewHXWPco8p1Wg+V+5xfZzuQY0f4tQxvOpXpt4gQ1817GQ5/Ed/wsDtBBgB CAAgFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAlrd8NACGwIAgQkQsN6d1ii/Ey92IAQZFggA HRYhBFMtsHpB9jjzHji4HoBcYbtP2GO+BQJa3fDQAAoJEIBcYbtP2GO+TYsA/30H/0V6cr/W V+J/FCayg6uNtm3MJLo4rE+o4sdpjjsGAQCooqffpgA+luTT13YZNV62hAnCLKXH9n3+ZAgJ RtAyDWk1B/0SMDVs1wxufMkKC3Q/1D3BYIvBlrTVKdBYXPxngcRoqV2J77lscEvkLNUGsu/z W2pf7+P3mWWlrPMJdlbax00vevyBeqtqNKjHstHatgMZ2W0CFC4hJ3YEetuRBURYPiGzuJXU pAd7a7BdsqWC4o+GTm5tnGrCyD+4gfDSpkOT53S/GNO07YkPkm/8J4OBoFfgSaCnQ1izwgJQ jIpcG2fPCI2/hxf2oqXPYbKr1v4Z1wthmoyUgGN0LPTIm+B5vdY82wI5qe9uN6UOGyTH2B3p hRQUWqCwu2sqkI3LLbTdrnyDZaixT2T0f4tyF5Lfs+Ha8xVMhIyzNb1byDI5FKCb Message-ID: <455998b3-2310-6d2c-f42b-14a8e4a6be43@suse.com> Date: Wed, 24 Oct 2018 16:29:35 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Language: de-DE Subject: Re: [Xen-users] [Xen-devel] How to use PV drivers with fully virtualized HVM on x86? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" T24gMjQvMTAvMjAxOCAxNjoxNiwgSmludGFjayBMaW0gd3JvdGU6Cj4gSGksCj4gCj4gSSdtIGlu dGVyZXN0ZWQgcnVubmluZyBIVk0gRG9tVSBvbmx5IHdpdGggUFYgZHJpdmVycyAobmV0d29yayBh bmQKPiBkaXNrKS4gRW5hYmxpbmcgQ09ORklHX1hFTl9ORVRERVZfRlJPTlRFTkQgYW5kIHN0dWZm IGRpZG4ndCBtYWtlIERvbVUKPiBzZWUgdGhlIFBWIGRldmljZXMgdW50aWwgSSBlbmFibGVkIENP TkZJR19YRU5fUFZIVk0uCgpSaWdodCwgdGhhdCdzIGhvdyBpdCBpcyBkb25lIGluIG1vZGVybiBM aW51eCBrZXJuZWxzLgoKPiBCdXQgYnkgbG9va2luZyBhdCB0aGUgdmlydHVhbGl6YXRpb24gc3Bl Y3RydW1bMV0sIGl0IHNlZW1zIHBvc3NpYmxlIHRvCj4gZG8gIkhWTSB3aXRoIFBWIGRyaXZlcnMi LCBidXQgSSBjb3VsZG4ndCBmaW5kIGFueSBndWlkZSAoaS5lLgo+IGtlcm5lbC94ZW4gY29uZmln dXJhdGlvbikgdG8gZG8gdGhhdC4gQ291bGQgYW55b25lIHNoZWQgc29tZSBsaWdodCBvbgo+IHRo aXM/CgpEaXNhYmxpbmcgbW9zdCBvZiB0aGUgUFYgaW50ZXJmYWNlcyBvdGhlciB0aGFuIHRob3Nl IG5lZWRlZCBmb3IgdXNpbmcKUFYgZGV2aWNlcyBpc24ndCBzdXBwb3J0ZWQgaW4gTGludXggc2lu Y2Ugc2V2ZXJhbCB5ZWFycyBub3cuCgpBbnkgcmVhc29uIHdoeSB5b3Ugd2FudCB0byBkbyB0aGF0 PwoKCkp1ZXJnZW4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fClhlbi11c2VycyBtYWlsaW5nIGxpc3QKWGVuLXVzZXJzQGxpc3RzLnhlbnByb2plY3Qub3Jn Cmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tdXNlcnM= From xen-users-bounces@lists.xenproject.org Wed Oct 24 14:34:40 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 14:34:40 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFKEf-0007S6-Ca; Wed, 24 Oct 2018 14:34:13 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gF9YI-0002EA-Dw for xen-users@lists.xenproject.org; Wed, 24 Oct 2018 03:09:46 +0000 X-Inumbo-ID: d895c141-d739-11e8-a8a5-bc764e045a96 Received: from mailfo01.lmco.com (unknown [192.31.106.12]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id d895c141-d739-11e8-a8a5-bc764e045a96; Wed, 24 Oct 2018 05:06:49 +0200 (CEST) Received: from lmxpdend11w02.us.lmco.com (lmxpdend11w02.ems.lmco.com [172.23.20.73]) by mailfo01.lmco.com (8.16.0.21/8.16.0.21) with ESMTP id w9O39hWt007038 for ; Wed, 24 Oct 2018 03:09:43 GMT Received: from lmxpdend11w03.us.lmco.com (172.23.20.74) by lmxpdend11w02.us.lmco.com (172.23.20.73) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.1.1466.3; Tue, 23 Oct 2018 21:09:42 -0600 Received: from lmxpdend11w03.us.lmco.com ([172.23.20.74]) by lmxpdend11w03.us.lmco.com ([172.23.20.74]) with mapi id 15.01.1466.003; Tue, 23 Oct 2018 21:09:42 -0600 From: "Kleve, Jesse R" To: "xen-users@lists.xenproject.org" Thread-Topic: How can you boot dom0 with a rootfilesystem that lives in memory? Thread-Index: AQHUa0cCgPBzMHMgjke6V0talkWayg== Date: Wed, 24 Oct 2018 03:09:42 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.10.0.180812 x-originating-ip: [172.23.20.15] Content-ID: MIME-Version: 1.0 X-LM-Outbound: External 172.23.20.73 cntry=** g=ChP_86BymzrGWnsCar-DFM19056sz2Ui q=w9O39hWt007038 m=1 X-LM-OSENDER: jesse.r.kleve@lmco.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-24_01:, , signatures=0 X-Mailman-Approved-At: Wed, 24 Oct 2018 14:34:11 +0000 Subject: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SeKAmW0gdHJ5aW5nIHRvIGZpbmQgYSB3YXkgdG8gbG9hZCBhIHJvb3RmcyBpbnRvIG1lbW9yeSBh bmQgaGF2ZSBkb20wIHVzZSB0aGlzIGFzIHRoZSByb290IGZpbGVzeXN0ZW0gaW5zdGVhZCBvZiBl eHRyYWN0aW5nIHRoZSByb290ZnMgb24gdG8gYW4gU0QgY2FyZCBwYXJ0aXRpb24gYW5kIG1vdW50 aW5nIHRoYXQuIElzIHRoaXMgcG9zc2libGU/IEkgaGF2ZSBiZWVuIHVuYWJsZSB0byBmaW5kIGFu eSBkb2N1bWVudGF0aW9uIG9uIHRoaXMuIElzIHRoZXJlIGEgcHJvcGVydHkgaW4gdGhlIGRvbTAg Y2hvc2VuIHNlY3Rpb24gb2YgdGhlIGRldmljZSB0cmVlIHRvIHNwZWNpZnkgdGhlIGxvY2F0aW9u IG9mIHRoZSByb290ZnM/DQoNClRoYW5rcywNCkplc3NlDQpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tdXNlcnMgbWFpbGluZyBsaXN0Clhlbi11c2Vy c0BsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8veGVuLXVzZXJz From xen-users-bounces@lists.xenproject.org Wed Oct 24 14:54:23 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 14:54:23 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFKXU-0001Rv-A9; Wed, 24 Oct 2018 14:53:40 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFKXT-0001Rq-OX for xen-users@lists.xenproject.org; Wed, 24 Oct 2018 14:53:39 +0000 X-Inumbo-ID: 2c4e5228-d79c-11e8-a8a5-bc764e045a96 Received: from owa.groupeot.com (unknown [185.4.45.19]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTP id 2c4e5228-d79c-11e8-a8a5-bc764e045a96; Wed, 24 Oct 2018 16:50:39 +0200 (CEST) Received: from [172.16.12.26] (172.16.12.26) by GOT-EXCHANGE-3.groupeot.com (10.46.10.50) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Wed, 24 Oct 2018 16:53:31 +0200 To: References: From: Matthieu Cerda Openpgp: preference=signencrypt Autocrypt: addr=matthieu.cerda@nbs-system.com; prefer-encrypt=mutual; keydata= xsBNBFg0LZsBCAC/E/beVpuf6C/GSBNkd4Pt2esjvbcwTcIy0JpLDl+4M85o/qhTa4tB/GEP vHoWmlrSSaL9d0GHgOM5ewPzuRRPaffRjGCrY8iSuxlMjNfRNSNGIZ5EOU9piWsyJflYhSuK Bp1N4T2BtyY9eK4l3Iy3rNfv7RIv26f3XV8q6Lc6JZZS1+6Wjjn/LQqY2G39mBLYyb0xsv3y ECI8IuWTrDrKbqLp47HGn9bu+juy92z4VjApLxckWmLjDsGB4hGO0jE3FIPHSG3lR1RHIjWu bczcQ1hI3c6Bvk/1IXcd2pcYK2U/aB8hM/KffVbEt9KfZR3s65/krcegeL34VYNS1PCBABEB AAHNME1hdHRoaWV1IENlcmRhIChLZWdlcnVuZWt1KSA8bWNlQG5icy1zeXN0ZW0uY29tPsLA jQQTAQgANxYhBCgsh8I+Y76iVZCu6LWQcCsxps97BQJYNDJjAhsDBAsJCAcFFQoJCAsFFgID AQACHgECF4AACgkQtZBwKzGmz3uIKgf9HQqd1XGh+oNTwgNIzocxQeolL3uoGfem+lRk31IT bAY+VIAya8rOoCvQRePmFuByJvgJ19K9n9qcvz8OEpx9bEadjBkM3ZjCQrlEM18f/K56nHU1 pPq02HkmCKm2xJcz/dNvReqgA6mKaf+c2GrTaPr2GQaNoKCXKqB6YKxh6cB6nOaMRrrQUhKq bDtIAOLkjqvJzXYwWsGwKr3rrcDOIPEP4AbpVAZ+6YdSK/TKVoo4gB2hauO3yWGhJ6X+5vQu LVbUV/2FUQRsFFJb10edziljiwWCK6W48fSNFFWUSYKEwAx4Oy0LyizaCX0GCdgRLemW3lNA n/Bl2R9JlxHx0s7ATQRYNC2bAQgAs0M+tcSm1UP0lDjeYHV18Oobf5FrHwJ8iyss1e4HMV9M sG90RUky7PgvKPARyOdWhwy2yFWsjj1O2Y5ve/M7Xh1HTWchcu5Lw8CS+WTLFbabja6PNPiq yTBB/OT4AAHQ7m1vc0UkHTIKJaT0HIeb6LwCWKIAK28lXIGtp/VlmJ4isy5V9JhKJp5e8kNc 1hCy8iVxO8vF8aP4L9MwnxTfmivKFIE6lpLWyy7ON7rNbrkKY8hTgjXIHem7MrGssGLAj+if P57PHTDS7vA3fS6vtgcY2pCF8dA9+8NtxweDz45aUJxjxLwmd36x7VUyxL9Xlxuqgd3khT9M POjfOGe57wARAQABwsB2BBgBCAAgFiEEKCyHwj5jvqJVkK7otZBwKzGmz3sFAlg0LZsCGwwA CgkQtZBwKzGmz3sCvgf+OvuXYDpYAUTUUwd1GFWySj7Cg8DCx57pNGoTa2so6elXWuOCH4lZ xIBLCeEKCV9bYwJjhmcIh/7LnG4FJvmrFO9FrXKNNtgyD3yBE3aftbA6nhVhFbHyCD7elDxo JxFsBOI+m/qGG/FZNkjv8SLqbFfNaiORDZuu9a/NlhNnh9QcOItrp3imgmmGELSqdt6f7PaZ m1Ts4hOPC2JazBYrvmDOrbSyAP0rHBoOTOU1BpoqLXGpv8DHOF3WTLgz4gfA1ZJVLgk/+7yX kqsP4S8Dj4Gon74hy24oJ2OTjDD7Zzxifn3RvfRiRtFosWQMFjxXDdKEa4TKZLHD6u1VWPQx Qg== Message-ID: <08e07afb-cc94-31e2-04ab-27de1230dfb3@nbs-system.com> Date: Wed, 24 Oct 2018 16:53:20 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [172.16.12.26] X-ClientProxiedBy: GOT-EXCHANGE-1.GROUPEOT.COM (10.40.10.50) To GOT-EXCHANGE-3.groupeot.com (10.46.10.50) Subject: Re: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6477138101752152412==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============6477138101752152412== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="5rgqRjBXbSLJRS6gfU8KvLVrTOYd4X5C0" --5rgqRjBXbSLJRS6gfU8KvLVrTOYd4X5C0 Content-Type: multipart/mixed; boundary="kVMiOiBBIcDuSoHjsorQcEJNXNJ9Qxqb9"; protected-headers="v1" From: Matthieu Cerda To: xen-users@lists.xenproject.org Message-ID: <08e07afb-cc94-31e2-04ab-27de1230dfb3@nbs-system.com> Subject: Re: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory? References: In-Reply-To: --kVMiOiBBIcDuSoHjsorQcEJNXNJ9Qxqb9 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Language: en-US Le 24/10/2018 =C3=A0 05:09, Kleve, Jesse R a =C3=A9crit=C2=A0: > I=E2=80=99m trying to find a way to load a rootfs into memory and have = dom0 use this as the root filesystem instead of extracting the rootfs on = to an SD card partition and mounting that. Is this possible? I have been = unable to find any documentation on this. Is there a property in the dom0= chosen section of the device tree to specify the location of the rootfs?= > > Thanks, > Jesse Hi Jesse, It is possible, we do it actually here. What is your target dom0 OS ? ( On Debian / Ubuntu, you might either use homemade solutions, or to make things easier, http://cmrg.fifthhorseman.net/wiki/debirf ) --=20 Matthieu Cerda Infrastructure, BU Means @ NBS System --kVMiOiBBIcDuSoHjsorQcEJNXNJ9Qxqb9-- --5rgqRjBXbSLJRS6gfU8KvLVrTOYd4X5C0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEKCyHwj5jvqJVkK7otZBwKzGmz3sFAlvQh2oACgkQtZBwKzGm z3vXHwf+L448qIJuBvMMAqmOFRXlEcK3rzJxjvDJQpZskZwFYZeeS6Oz0FPvnodP hNbZzWRnIqAp4JLaWtAG9kzc9x0nJlMax7ksbRBtlJptCjLFRKuPFd/nrFcY3nfy ZBio3t7uWCu5eQv6QoC/TexX5kVO32+EhmgGpyEUoyqFCOS1YBIQrz+rcfHjh4YR +FpGAynXZApifkrTv6ti6K1XP7tLoGpmmNw2Xb7qNlEBGsXSI+8w93uhESNh2oN7 VgD8OyF9aUFqvciqGTQoBtfkqhfCdYg8sLeFkXOFSJkGcqAoaN49jo1EGC/Z3f3y qs9ny/HrgSaHdx+FqQVSvfxVAn/YKw== =3pdf -----END PGP SIGNATURE----- --5rgqRjBXbSLJRS6gfU8KvLVrTOYd4X5C0-- --===============6477138101752152412== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============6477138101752152412==-- From xen-users-bounces@lists.xenproject.org Wed Oct 24 14:55:35 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 14:55:35 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFKYy-0002El-17; Wed, 24 Oct 2018 14:55:12 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFKYw-0002Cy-8u for xen-users@lists.xenproject.org; Wed, 24 Oct 2018 14:55:10 +0000 X-Inumbo-ID: 61e8667d-d79c-11e8-a8a5-bc764e045a96 Received: from know-smtprelay-omc-11.server.virginmedia.net (unknown [80.0.253.75]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 61e8667d-d79c-11e8-a8a5-bc764e045a96; Wed, 24 Oct 2018 16:52:10 +0200 (CEST) Received: from mail0.xen.dingwall.me.uk ([82.47.84.47]) by cmsmtp with ESMTPA id FKYqgXV3D0jhyFKYqgs9lJ; Wed, 24 Oct 2018 15:55:05 +0100 X-Originating-IP: [82.47.84.47] X-Authenticated-User: james.dingwall@blueyonder.co.uk X-Spam: 0 X-Authority: v=2.3 cv=FNKvONgs c=1 sm=1 tr=0 a=0bfgdX8EJi0Cr9X0x0jFDA==:117 a=0bfgdX8EJi0Cr9X0x0jFDA==:17 a=IkcTkHD0fZMA:10 a=xqWC_Br6kY4A:10 a=smKx5t2vBNcA:10 a=rT4FZXoQYmg4XL84yz0A:9 a=QEXdDO2ut3YA:10 Received: from localhost (localhost [IPv6:::1]) by mail0.xen.dingwall.me.uk (Postfix) with ESMTP id 650C341E1C; Wed, 24 Oct 2018 14:55:04 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at dingwall.me.uk Received: from mail0.xen.dingwall.me.uk ([127.0.0.1]) by localhost (mail0.xen.dingwall.me.uk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7Q5z-Xk07Tof; Wed, 24 Oct 2018 14:55:04 +0000 (UTC) Received: from behemoth.dingwall.me.uk (behemoth.dingwall.me.uk [192.168.1.5]) by dingwall.me.uk (Postfix) with ESMTP id 2A34541E19; Wed, 24 Oct 2018 14:55:04 +0000 (UTC) Received: by behemoth.dingwall.me.uk (Postfix, from userid 1000) id 16C5F34A88; Wed, 24 Oct 2018 14:55:04 +0000 (UTC) Date: Wed, 24 Oct 2018 14:55:03 +0000 From: James Dingwall To: "Kleve, Jesse R" Message-ID: <20181024145503.GA18130@dingwall.me.uk> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) X-CMAE-Envelope: MS4wfC97lMlxRtSeAj/+PIQtPr5PVnlE+znvhn/uTfJUcQPnoX51Q7suJONt5BzavEswTN4gI+ihHJ/MVOQI+Pyhj7jYcQm91hNvkideCoBY6ZAF4pIKfCpI G6a4xyIAootYXXHXO6ckX0GrOKlraSHVkuaOoWs7qDu80/bFlyXOeV97IMsyG5GYoa2sJzmHZY9AuKoGwUvkkmLDOJG8FqQ0j9k1SEl7l133hsSH/QTU76P4 Subject: Re: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory? 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[209.85.128.50]) by smtp.gmail.com with ESMTPSA id p57-v6sm1677306edc.92.2018.10.24.08.36.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 24 Oct 2018 08:36:05 -0700 (PDT) Received: by mail-wm1-f50.google.com with SMTP id p2-v6so2619656wmc.2 for ; Wed, 24 Oct 2018 08:36:05 -0700 (PDT) X-Received: by 2002:a1c:924d:: with SMTP id u74-v6mr3412182wmd.105.1540395364617; Wed, 24 Oct 2018 08:36:04 -0700 (PDT) MIME-Version: 1.0 References: <455998b3-2310-6d2c-f42b-14a8e4a6be43@suse.com> In-Reply-To: <455998b3-2310-6d2c-f42b-14a8e4a6be43@suse.com> From: Jintack Lim Date: Wed, 24 Oct 2018 11:35:53 -0400 X-Gmail-Original-Message-ID: Message-ID: To: jgross@suse.com X-No-Spam-Score: Local X-Scanned-By: MIMEDefang 2.78 on 128.59.72.13 Subject: Re: [Xen-users] [Xen-devel] How to use PV drivers with fully virtualized HVM on x86? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, xen-users@lists.xen.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" VGhhbmtzIEp1ZXJnZW4sCgpPbiBXZWQsIE9jdCAyNCwgMjAxOCBhdCAxMDozMCBBTSBKdWVyZ2Vu IEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+IHdyb3RlOgo+Cj4gT24gMjQvMTAvMjAxOCAxNjoxNiwg SmludGFjayBMaW0gd3JvdGU6Cj4gPiBIaSwKPiA+Cj4gPiBJJ20gaW50ZXJlc3RlZCBydW5uaW5n IEhWTSBEb21VIG9ubHkgd2l0aCBQViBkcml2ZXJzIChuZXR3b3JrIGFuZAo+ID4gZGlzaykuIEVu YWJsaW5nIENPTkZJR19YRU5fTkVUREVWX0ZST05URU5EIGFuZCBzdHVmZiBkaWRuJ3QgbWFrZSBE b21VCj4gPiBzZWUgdGhlIFBWIGRldmljZXMgdW50aWwgSSBlbmFibGVkIENPTkZJR19YRU5fUFZI Vk0uCj4KPiBSaWdodCwgdGhhdCdzIGhvdyBpdCBpcyBkb25lIGluIG1vZGVybiBMaW51eCBrZXJu ZWxzLgoKVGhhbmtzIGZvciB0aGUgY29uZmlybWF0aW9uLgoKPgo+ID4gQnV0IGJ5IGxvb2tpbmcg YXQgdGhlIHZpcnR1YWxpemF0aW9uIHNwZWN0cnVtWzFdLCBpdCBzZWVtcyBwb3NzaWJsZSB0bwo+ ID4gZG8gIkhWTSB3aXRoIFBWIGRyaXZlcnMiLCBidXQgSSBjb3VsZG4ndCBmaW5kIGFueSBndWlk ZSAoaS5lLgo+ID4ga2VybmVsL3hlbiBjb25maWd1cmF0aW9uKSB0byBkbyB0aGF0LiBDb3VsZCBh bnlvbmUgc2hlZCBzb21lIGxpZ2h0IG9uCj4gPiB0aGlzPwo+Cj4gRGlzYWJsaW5nIG1vc3Qgb2Yg dGhlIFBWIGludGVyZmFjZXMgb3RoZXIgdGhhbiB0aG9zZSBuZWVkZWQgZm9yIHVzaW5nCj4gUFYg ZGV2aWNlcyBpc24ndCBzdXBwb3J0ZWQgaW4gTGludXggc2luY2Ugc2V2ZXJhbCB5ZWFycyBub3cu Cj4KPiBBbnkgcmVhc29uIHdoeSB5b3Ugd2FudCB0byBkbyB0aGF0PwoKSSB3YXMgdGVzdGluZyBu ZXN0ZWQgdmlydHVhbGl6YXRpb24gLSBYZW4gb24gS1ZNLiBJIHNlZSBuZXR3b3JrCnBlcmZvcm1h bmNlIGRlZ3JhZGF0aW9uIHdpdGggUFZIVk0gRG9tVSBpbiBuZXN0ZWQgVk0gY29tcGFyZWQgdG8g YQpEb21VIHdpdGhvdXQgUFZIVk0gaW4gbmVzdGVkIFZNLiBJJ20gdXNpbmcgYSBwaHlzaWNhbCBO SUMgZGV2aWNlCmFzc2lnbmVkIHRvIHRoZSBEb21VIGZvciBib3RoIGNhc2VzLgoKSXQncyBxdWl0 ZSB1bnVzdWFsIHNldHVwLCBidXQgSSBqdXN0IHdvbmRlciB3aGF0IGNhdXNlcyBwZXJmb3JtYW5j ZQpkcm9wIHdpdGggUFZIVk0gZXZlbiB0aG91Z2ggSSdtIG5vdCB1c2luZyBQViBuZXR3b3JrIGRl dmljZSBpbiBEb21VLiBJCmd1ZXNzIGl0IG1pZ2h0IGJlIHNvbWUgb3RoZXIgc3R1ZmYsIGJ1dCBu b3Qgc3VyZSB3aGF0IHRoZXkgYXJlLiBTbyBJCndhbnRlZCB0byBjb25maWd1cmUgRG9tVSB0byBl eGFjdGx5IGhhdmUgUFYgZGV2aWNlcyBhbmQgc2VlIHdoYXQKaGFwcGVucy4KClRoYW5rcywKSmlu dGFjawoKPgo+Cj4gSnVlcmdlbgo+CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KWGVuLXVzZXJzIG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVu cHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZv L3hlbi11c2Vycw== From xen-users-bounces@lists.xenproject.org Wed Oct 24 21:11:28 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 21:11:28 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFQQ8-0000hK-1b; Wed, 24 Oct 2018 21:10:28 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFQQ6-0000hF-OI for xen-users@lists.xenproject.org; Wed, 24 Oct 2018 21:10:26 +0000 X-Inumbo-ID: 6fe16adc-d7d1-11e8-a6a9-d7ebe60f679a Received: from mailfo02.lmco.com (unknown [192.35.35.12]) by us1-amaz-eas1.inumbo.com (Halon) with ESMTPS id 6fe16adc-d7d1-11e8-a6a9-d7ebe60f679a; Wed, 24 Oct 2018 21:11:56 +0000 (UTC) Received: from lmxpdend11w04.us.lmco.com (lmxpdend11w04.ems.lmco.com [172.23.20.75]) by mailfo02.lmco.com (8.16.0.21/8.16.0.21) with ESMTP id w9OLAKnf016108; Wed, 24 Oct 2018 21:10:20 GMT Received: from lmxpdend11w03.us.lmco.com (172.23.20.74) by lmxpdend11w04.us.lmco.com (172.23.20.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.1.1466.3; Wed, 24 Oct 2018 15:10:19 -0600 Received: from lmxpdend11w03.us.lmco.com ([172.23.20.74]) by lmxpdend11w03.us.lmco.com ([172.23.20.74]) with mapi id 15.01.1466.003; Wed, 24 Oct 2018 15:10:19 -0600 From: "Kleve, Jesse R" To: James Dingwall Thread-Topic: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory? Thread-Index: AQHUa933SeqiRsl7FU2wJEwZ2zBdmg== Date: Wed, 24 Oct 2018 21:10:19 +0000 Message-ID: <4A58F4F1-4543-43E2-8FF6-76DEBC07D423@lmco.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Microsoft-MacOutlook/10.10.0.180812 x-originating-ip: [172.23.84.13] Content-ID: <136EB8A99608B1499AE73124595BD862@exch.ems.lmco.com> MIME-Version: 1.0 X-LM-Outbound: External 172.23.20.75 cntry=** g=0r34IqP7vMIY737P-ysO1qxtJ9d5ghYg q=w9OLAKnf016108 m=1 X-LM-OSENDER: jesse.r.kleve@lmco.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-24_08:, , signatures=0 Subject: Re: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "xen-users@lists.xenproject.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SSd2ZSBiZWVuIGJ1aWxkaW5nIGRvbTAgdXNpbmcgWGlsaW54IHlvY3RvIHJlcG9zIGZvciBBUk0u IEkgdGhpbmsgYSBzaW1wbGUgc29sdXRpb24gd291bGQgYmUgdG8gdXNlIElOSVRSQU1GU19JTUFH RV9CVU5ETEUgdG8gZ28gd2l0aCBzb2x1dGlvbiA0IHlvdSBsaXN0ZWQgYWx0aG91Z2ggc29sdXRp b24gMSB3b3VsZCBwcm9iYWJseSBiZSBiZXR0ZXIuDQoNClRoYW5rcywNCkplc3NlDQoNCu+7v09u IDEwLzI0LzE4LCA4OjU1IEFNLCAiSmFtZXMgRGluZ3dhbGwiIDxqYW1lc0BkaW5nd2FsbC5tZS51 az4gd3JvdGU6DQoNCiAgICBPbiBXZWQsIE9jdCAyNCwgMjAxOCBhdCAwMzowOTo0MkFNICswMDAw LCBLbGV2ZSwgSmVzc2UgUiB3cm90ZToNCiAgICA+IEnigJltIHRyeWluZyB0byBmaW5kIGEgd2F5 IHRvIGxvYWQgYSByb290ZnMgaW50byBtZW1vcnkgYW5kIGhhdmUgZG9tMCANCiAgICA+IHVzZSB0 aGlzIGFzIHRoZSByb290IGZpbGVzeXN0ZW0gaW5zdGVhZCBvZiBleHRyYWN0aW5nIHRoZSByb290 ZnMgb24gdG8gDQogICAgPiBhbiBTRCBjYXJkIHBhcnRpdGlvbiBhbmQgbW91bnRpbmcgdGhhdC4g SXMgdGhpcyBwb3NzaWJsZT8gSSBoYXZlIGJlZW4gDQogICAgPiB1bmFibGUgdG8gZmluZCBhbnkg ZG9jdW1lbnRhdGlvbiBvbiB0aGlzLiBJcyB0aGVyZSBhIHByb3BlcnR5IGluIHRoZSANCiAgICA+ IGRvbTAgY2hvc2VuIHNlY3Rpb24gb2YgdGhlIGRldmljZSB0cmVlIHRvIHNwZWNpZnkgdGhlIGxv Y2F0aW9uIG9mIHRoZSANCiAgICA+IHJvb3Rmcz8NCiAgICANCiAgICBJIGhhdmUgYWNoaWV2ZWQg dGhpcyBwcmV2aW91c2x5IGluIHNldmVyYWwgd2F5czoNCiAgICANCiAgICAxLiBjdXN0b20gaW5p dHJhbWZzIHNjcmlwdHMgdG8gbG9hZCBhIHNxdWFzaGZzIGltYWdlIHRvIG1lbW9yeSBhcyB0aGUg cm9vdCBmaWxlc3lzdGVtDQogICAgMi4gaWYgeW91IGFyZSBhbiB1YnVudHUgdXNlciB0aGVuIGNh c3BlciAodXN1YWxseSBmb3IgbGl2ZWNkIC8gbmV0Ym9vdCkgY2FuIGRvIHRoaXMgaWYgeW91IHVz ZSB0b3JhbQ0KICAgIDMuIG9uIGNlbnRvcyB0aGUgZG1zcXVhc2gtbGl2ZSBkcmFjdXQgbW9kdWxl IGNhbiBhbHNvIGRvIHNvbWV0aGluZyBzaW1pbGFyDQogICAgNC4gaW5zdGVhZCBvZiB0aGUgaW5p dHJhbWZzIG1vdW50aW5nIHRoZSByZWFsIHJvb3QgeW91IGNhbiBqdXN0IG1ha2UgaXQgKmh1Z2Uq IGFuZCBoYXZlIGl0IGNvbnRhaW4gYWxsIG9mIHlvdXIgZG9tMA0KICAgIA0KICAgIFRoZSBiZXN0 IGFwcHJvYWNoIHByb2JhYmx5IGRlcGVuZHMgb24gaG93IHlvdSBpbnRlbmQgdG8gYnVpbGQgeW91 ciBkb20wIA0KICAgIGltYWdlLiAgKEFzIHlvdSBtZW50aW9uIGRldmljZSB0cmVlIGFuZCBJIHRo aW5rIHRoaXMgaXMgYW4gQXJtIHRoaW5nIA0KICAgIHRoZW4gdGhlc2Ugc29sdXRpb25zIG1heSBu b3QgYmUgYXBwcm9yaWF0ZS4pICBYZW4gaXRzZWxmIGRvZXNuJ3QgaGF2ZSANCiAgICBhbnl0aGlu ZyBzcGVjaWFsIGFmYWlrIHNvIHNvbHZpbmcgdGhpcyBpcyBnb2luZyB0byBiZSBzaW1pbGFyIGFz IGhhdmluZyANCiAgICBhIGJhcmUgbWV0YWwgZW52aXJvbm1lbnQgaW4gbWVtb3J5Lg0KICAgIA0K ICAgIFJlZ2FyZHMsDQogICAgSmFtZXMNCiAgICANCg0KX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJzIG1haWxpbmcgbGlzdApYZW4tdXNlcnNA bGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFu L2xpc3RpbmZvL3hlbi11c2Vycw== From xen-users-bounces@lists.xenproject.org Wed Oct 24 21:13:18 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 24 Oct 2018 21:13:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFQSo-0000oW-DO; Wed, 24 Oct 2018 21:13:14 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFQSm-0000o5-MF for xen-users@lists.xen.org; Wed, 24 Oct 2018 21:13:12 +0000 X-Inumbo-ID: 32ef798a-d7d1-11e8-a8a5-bc764e045a96 Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 32ef798a-d7d1-11e8-a8a5-bc764e045a96; Wed, 24 Oct 2018 23:10:14 +0200 (CEST) Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFQSc-0007Uy-BK; Wed, 24 Oct 2018 21:13:02 +0000 Received: from andrewcoop by xenbits.xenproject.org with local (Exim 4.89) (envelope-from ) id 1gFQSc-0001y8-8b; Wed, 24 Oct 2018 21:13:02 +0000 Content-Type: multipart/mixed; boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.508 (Entity 5.508) To: xen-announce@lists.xen.org, xen-devel@lists.xen.org, xen-users@lists.xen.org, oss-security@lists.openwall.com From: Xen.org security team Message-Id: Date: Wed, 24 Oct 2018 21:13:02 +0000 Subject: [Xen-users] Xen Security Advisory 278 v1 - x86: Nested VT-x usable even when disabled X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "Xen.org security team" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --=separator Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Xen Security Advisory XSA-278 x86: Nested VT-x usable even when disabled ISSUE DESCRIPTION ================= When running HVM guests, virtual extensions are enabled in hardware because Xen is using them. As a result, a guest can blindly execute the virtualisation instructions, and will exit to Xen for processing. In the case that the guest hasn't followed the correct (virtual) configuration procedure, it shouldn't be able to use the instructions, and Xen should respond with #UD exception. When nested virtualisation is disabled for the guest, it is not permitted to complete the configuration procedure. Unfortunately, when nested virtualisation is intended to be disabled for the guest, an incorrect default value leads Xen to believe that the configuration procedure has already been completed. IMPACT ====== Guest software which blindly plays with the VT-x instructions can cause Xen to operate on uninitialised data. As the backing memory is zeroed, this causes Xen to suffer a NULL pointer dereference, causing a host Denial of Service. Other behaviours such as memory corruption or privilege escalation have not been ruled out. VULNERABLE SYSTEMS ================== Systems running Xen 4.9 or later are vulnerable. Systems running Xen 4.8 or earlier are not vulnerable. Only Intel x86 systems are vulnerable. Systems from other x86 vendors, and other hardware vendors are not vulnerable. Only x86 HVM and PVH guests can leverage this vulnerability. x86 PV guests cannot leverage this vulnerability. MITIGATION ========== Running only x86 PV guests will avoid the issue. For x86 HVM guests, while enabling nested virtualisation for affected guests does work around this particular DoS, it is not a security supported configuration and has other know DoS and suspected privilege escalation vulnerabilities. Therefore, it is not a mitigation. CREDITS ======= This issue was discovered by Sergey Dyasli of Citrix. RESOLUTION ========== Applying the appropriate attached patch resolves this issue. xsa278.patch xen-unstable xsa278-4.11.patch Xen 4.11, 4.10, 4.9 $ sha256sum xsa278* d94c59ee170f96af14f0cf696221ba8b9447b86820fe99fba1815ab93cc89cd7 xsa278.patch 22686a9bbfbd38bb74292a28a452012d263875c9064815d4afd3fd6c62df0c3a xsa278-4.11.patch $ NOTE CONCERNING LACK OF EMBARGO =============================== This issue was first reported in private and was in the usual XSA process. 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21:21:53 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFQaB-00026x-Od; Wed, 24 Oct 2018 21:20:51 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gFQaA-00026n-1p for xen-users@lists.xenproject.org; Wed, 24 Oct 2018 21:20:50 +0000 X-Inumbo-ID: 431ee39f-d7d2-11e8-a8a5-bc764e045a96 Received: from mail-ed1-x52e.google.com (unknown [2a00:1450:4864:20::52e]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 431ee39f-d7d2-11e8-a8a5-bc764e045a96; Wed, 24 Oct 2018 23:17:51 +0200 (CEST) Received: by mail-ed1-x52e.google.com with SMTP id v22-v6so6423548edq.13; Wed, 24 Oct 2018 14:20:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=JcL8tdM7CxcqriZyijxHLOKfcOJEnAe2rZfYfePnu8w=; 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ABuFfogsvjYy3wQfPQ9nK2ROS5OXOwjL/CdMQIFSrbk9WZWaIg5ozs67 0GBCNICYlUBR23J8N6nENXurfNpb5twTClbOXhA= X-Google-Smtp-Source: ACcGV6117BGXkobk6uggP79bT0s86ZEkHlem1Kn8sUnCGATGf7R6TSEcUJ+Mg7hkpr8fMmXW4yVi6ftGQl2wYU7R2ek= X-Received: by 2002:a50:de47:: with SMTP id a7-v6mr20005402edl.245.1540416046937; Wed, 24 Oct 2018 14:20:46 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Aaron Gray Date: Wed, 24 Oct 2018 22:20:30 +0100 Message-ID: To: eduncan911@gmail.com Subject: Re: [Xen-users] Intel Z270 support X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============1434451694957971988==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============1434451694957971988== Content-Type: multipart/alternative; boundary="00000000000048ba640579000f7b" --00000000000048ba640579000f7b Content-Type: text/plain; charset="UTF-8" On Wed, 24 Oct 2018 at 14:25, Eric Duncan wrote: > > On Thu, Oct 18, 2018 at 2:03 PM Aaron Gray wrote: > >> I have two ASUS PRIME Z270-A machines based on Intel Z270 chipset and am >> wondering about when support will be available for them and what I can do >> to speed this up. >> >> But I have not done anything to do with kernel work since years ago when >> I read a lot of the main parts of the Linux 2.4 Kernel. Also I did code to >> get into and out of protected mode before this. >> >> Heres the datasheets that cover the chipset :- >> >> >> https://www.intel.com/content/www/us/en/chipsets/200-series-chipset-pch-datasheet-vol-1.html >> >> https://www.intel.com/content/www/us/en/chipsets/200-series-chipset-pch-datasheet-vol-2.html >> >> Regards, >> >> Aaron >> > > It's your Linux kernel that needs to support your hardware, not Xen itself. > > I personally run Xen with an Arch Linux dom0 specifically for this purpose > of getting the latest hardware support across my devices. For example, I > am on kernel 4.18.10 at this moment. The AUR also keeps a fairly recent > version of Xen, currently 4.11. > That sounds an interesting direction I would try Arch if I was not trying to get Xen Fedora rawhide sussed as I need this step to get my machine architecture working with Qubes. F29 Beta has 4.11.0 At present I have one instillation on F29 that worked straight away with :- sudo yum groupinstall 'Virtualization' sudo yum install xen And another were I did a yum update first and Xen it does not function with the missing module.mod and multiboot.mod issue that was found in F27 and F28. https://bugzilla.redhat.com/show_bug.cgi?id=1486002#c36 I just need to do the diff's on /boot and the rpm's tomorrow to see what if I can find the issue. Regards, Aaron -- Aaron Gray Independent Open Source Software Engineer, Computer Language Researcher, Information Theorist, and amateur computer scientist. --00000000000048ba640579000f7b Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Wed, 24 Oct 2018 at 14:25, Eric Duncan <eduncan911@gmail.com> wrote:

On Thu, Oct 18, 2018 at 2:03 PM Aaron Gray wrote:
I have t= wo ASUS PRIME Z270-A machines based on Intel Z270 chipset and am wondering = about when support will be available for them and what I can do to speed th= is up.

But I have not done anything to do with ker= nel work since years ago when I read a lot of the main parts of the Linux 2= .4 Kernel. Also I did code to get into and out of protected mode before thi= s.


It&#= 39;s your Linux kernel that needs to support your hardware, not Xen itself.=

I personally run Xen with an Arch Linux dom0 spec= ifically for this purpose of getting the latest hardware support across my = devices.=C2=A0 For example, I am on kernel 4.18.10 at this moment.=C2=A0 Th= e AUR also keeps a fairly recent version of Xen, currently 4.11.
<= /div>

That sounds an interesting dire= ction I would try Arch if I was not trying to get Xen Fedora rawhide sussed= as I need this step to get my machine architecture working with Qubes.

F29 Beta has 4.11.0

At present I have one instillation on F29 that worked straight away with= :-

=C2=A0 =C2=A0 sudo yum groupinstall 'Virtualization'
=C2=A0=C2=A0=C2=A0 su= do yum install xen
= <= /b>
<= /div>
And another were I= did a yum update first and Xen it does not function with the missing modul= e.mod and multiboot.mod issue that was found in F27 and F28.


I just need to do t= he diff's on /boot and the rpm's tomorrow to see what if I can find= the issue.

Regards,

Aaron



=



--
Aaro= n Gray

Independent Open Source Software Engineer, = Computer Language Researcher, Information Theorist, and amateur computer sc= ientist.
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Processed in 0.012735 secs); 24 Oct 2018 23:31:46 -0000 Received: from unknown (HELO ?10.30.10.90?) (agoryachev@10.30.10.90) by mail.trojanrecruit.com.au with ESMTPA; 24 Oct 2018 23:31:46 -0000 To: xen-users@lists.xenproject.org References: <08e07afb-cc94-31e2-04ab-27de1230dfb3@nbs-system.com> From: Adam Goryachev Message-ID: Date: Thu, 25 Oct 2018 10:31:46 +1100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <08e07afb-cc94-31e2-04ab-27de1230dfb3@nbs-system.com> Content-Language: en-CA Subject: Re: [Xen-users] How can you boot dom0 with a rootfilesystem that lives in memory? 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boundary="===============1664142565396881402==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============1664142565396881402== Content-Type: multipart/alternative; boundary="000000000000fdac96057953491a" --000000000000fdac96057953491a Content-Type: text/plain; charset="UTF-8" Hi, I am looking for motherboards that will support Qubes which IIRC is based on Xen 4.8[.3] ? Looking for either DDR3 or DDR4 and either Intel or AMD based MB's Many thanks in advance, Aaron -- Aaron Gray Independent Open Source Software Engineer, Computer Language Researcher, Information Theorist, and amateur computer scientist. Virus-free. www.avast.com <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> --000000000000fdac96057953491a Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,

I am looking for motherb= oards that will support Qubes which IIRC is based on Xen 4.8[.3] ?

Looking for either DDR3 or DDR4 and either Intel or AMD ba= sed MB's

Many thanks in advance,
Aaron

--
Aaron Gray

Independent Open Source Software = Engineer, Computer Language Researcher, Information Theorist, and amateur c= omputer scientist.

3D"" Virus-free. www.avast.com
--000000000000fdac96057953491a-- --===============1664142565396881402== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============1664142565396881402==-- From xen-users-bounces@lists.xenproject.org Mon Oct 29 11:58:38 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Mon, 29 Oct 2018 11:58:38 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gH6At-0000s6-KI; Mon, 29 Oct 2018 11:57:39 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gH6Ar-0000s1-P6 for xen-users@lists.xenproject.org; Mon, 29 Oct 2018 11:57:38 +0000 X-Inumbo-ID: d1f173a3-db71-11e8-87d6-bc764e045a96 Received: from mail-qt1-x82a.google.com (unknown [2607:f8b0:4864:20::82a]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id d1f173a3-db71-11e8-87d6-bc764e045a96; Mon, 29 Oct 2018 11:57:33 +0000 (UTC) Received: by mail-qt1-x82a.google.com with SMTP id l9-v6so8741984qtj.12 for ; Mon, 29 Oct 2018 04:57:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=webpower.nl; s=google; h=mime-version:from:date:message-id:subject:to; bh=Ahf3mSumf3bYy4NQT5FDF/SwcLI2LZQvNRck6n8oxXI=; b=dZjPeW8+k0cBP9fAaAK8ZXtrPPuc2P4JLfQr7cvAeUxtjkRgNlRYvFDnN20FJcmaSE /ljz83clc0ouTvcabDi95QVFl7SMfKUKKcZrIeoGP2TzoCyWqrq72/tjWkjZ61KFPZCc L+o9AhcAWDrmFdb9zX7tRy4xPfi9s2WGo9Ye4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=Ahf3mSumf3bYy4NQT5FDF/SwcLI2LZQvNRck6n8oxXI=; b=auIO3IdoPl3RZCk97rv1npA2SABLpTrLwLPCxpOZCfre5GPEzBg3LlizmDllyrT+0X odb4EGjA4TsFYkR2LWjXx04X+QotpWF9cy6NLVxLSZy8Zzc7Ajc8ov/pPwqBr3BsbPeg hNToKFVRMc7p5yPNuBwSxL2mSJuX9bAgAnVFcimp9Zk1RJkF3nyMz17Bh+2Z0A0axMIs vIOuny0lmxiVGKQFAI4hR9VIMw542Nw1eaWh2QA0cV7cc/tMSauiBh+blr87/+HnQBAy 2vRmGZ+LJld6ycj+M0xOyXymW9Mo83qK4vTax7D+hJmBy/lPO0LJmPq0t2I+5PJxpK4S 4TRA== X-Gm-Message-State: AGRZ1gIBXB00b+DfYjZpBIWuR5a/Ak1hVtZ+e9u4yY6pZZ/0XvwaMNS3 q/OndrovryMW2gcSXOQwD0HVSzsSJ3sWHZUABIVG0n3qRFw= X-Google-Smtp-Source: AJdET5eayd5ofpNF71XZZZwR0U0WoxMA5Z0NNZwuhpqbKtfBY1QHkHNbigmlGOu3azas8FReCppNFC6QMoYgSfFdE9Q= X-Received: by 2002:ac8:2d1d:: with SMTP id n29-v6mr12041662qta.38.1540814252894; Mon, 29 Oct 2018 04:57:32 -0700 (PDT) MIME-Version: 1.0 From: "Roalt Zijlstra | webpower" Date: Mon, 29 Oct 2018 12:57:24 +0100 Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] Dom0 crashes without logging lately on Debian Stretch with Xen 4.8 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1115942817264181672==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============1115942817264181672== Content-Type: multipart/alternative; boundary="000000000000357fab05795cc600" --000000000000357fab05795cc600 Content-Type: text/plain; charset="UTF-8" Hi there, Ever since all the Meltdown and Spectre kernel updates and possibly also Xen 4.8 updates, we experience crashes of the Dom0 just out of the blue. Sometimes after 1 day, sometimes after a few days or even 14 days, completely random. We have two Dell P730 servers and two Dell P720 servers with this behaviour. One thing is that we updated these machine to the latest available firmware, because that is the most secure way. Then we installed Debian Stretch with Xen 4.8 support We have done serveral installs and 4 servers seem to crash pretty fast and other don't. In the end we think that we can lead it back to the xen-4.8.4-pre version being stable and the xen-4.8.5-pre being unstable. This was kinda independent of the kernel that we were using 4.14 or 4.9.0-8-amd64. This is off course all Debian package numbering. As last resort we updated on one server all DomU kernels of our Jessie servers on this Dom0 to 4.9.0 from backports instead of the 3.16 kernel. For now that seems to work, but the crashes are random so it could happen any time again. The idea is that these kernels are completely spectre& meltdown unaware and might cause trouble in Xen kernel support. I am not sure if this is true at all, but we are pretty lost what the actual cause is. We also tested with CentOS and we also had these crashes there with certain combinations of kernel/Xen. The most recent updates seem to be more stable tough. The most frustrating part is the there is absolutely no logs to be found. No kernel oops or what.. the server just resets and boots again. Are there others experiencing problems like this? Do you see more frequent server/kernel crashes on production servers? Best regards, Roalt Zijlstra --000000000000357fab05795cc600 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi there,

<= /div>
Ever since all the Meltdown and Spectre kernel upda= tes and possibly also Xen 4.8 updates, we experience crashes of the Dom0 ju= st out of the blue. Sometimes after 1 day, sometimes after a few days or ev= en 14 days, completely random.

We have two Dell P730 servers and two Dell P720 servers with this = behaviour. One thing is that we updated these machine to the latest availab= le firmware, because that is the most secure way. Then we installed Debian = Stretch with Xen 4.8 support

We have done serveral installs and 4 servers seem to crash pretty = fast and other don't. In the end we think that we can lead it back to t= he xen-4.8.4-pre version being stable and the xen-4.8.5-pre being unstable.= This was kinda independent of the kernel that we were using 4.14 or 4.9.0-= 8-amd64. This is off course all Debian package numbering.

As last resort=C2=A0 we updated on on= e server all DomU kernels of our Jessie servers on this Dom0 to 4.9.0 from = backports instead of the 3.16 kernel. For now that seems to work, but the c= rashes are random so it could happen any time again. The idea is that these= kernels are completely spectre& meltdown unaware and might cause troub= le in Xen kernel support. I am not sure if this is true at all, but we are = pretty lost what the actual cause is.

We also tested with CentOS and we also had these crashes th= ere with certain combinations of kernel/Xen. The most recent updates seem t= o be more stable tough. The most frustrating part is the there is absolutel= y no logs to be found. No kernel oops or what.. the server just resets and = boots again.

Are there= others experiencing problems like this? Do you see more frequent server/ke= rnel crashes on production servers?=C2=A0=C2=A0

<= div dir=3D"ltr">
<= div dir=3D"ltr" style=3D"font-size:12.8px;color:rgb(34,34,34);font-family:a= rial,sans-serif">
Best regards,
=C2=A0
Roalt Zijlstra
--000000000000357fab05795cc600-- --===============1115942817264181672== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============1115942817264181672==-- From xen-users-bounces@lists.xenproject.org Tue Oct 30 04:34:45 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 30 Oct 2018 04:34:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHLil-0007n4-Dm; Tue, 30 Oct 2018 04:33:39 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHLij-0007mu-Md for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 04:33:37 +0000 X-Inumbo-ID: f6d20c82-dbfc-11e8-87d6-bc764e045a96 Received: from mail-lj1-x232.google.com (unknown [2a00:1450:4864:20::232]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id f6d20c82-dbfc-11e8-87d6-bc764e045a96; Tue, 30 Oct 2018 04:33:36 +0000 (UTC) Received: by mail-lj1-x232.google.com with SMTP id x85-v6so5814676ljb.2 for ; Mon, 29 Oct 2018 21:33:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pathpartnertech.com; s=google; h=mime-version:from:date:message-id:subject:to; bh=jDDaiGePY/ndDXubDou1X8Ra6Jb/d5YZ2Imr03pMQxE=; b=UzMJ4IvPaUP2mM3nMHvC5cxb0e0RpQjglNeo/ybnwhyXbNAU/z1iaE0exJZP3QHGB6 OEzXZd0zRxQDwYdFB6rSqEQcD6mBQqfM9Ne7Icxm+TCRcMap57oQq4+qXB16V7VycKOX c4wofOQBEZITvkHfwh8XpEFZHg7zxirUye7qNqPh4af9K4FIb+Yk/9n+y4AEOls1IsJq Xsn2Wr2JCtLL6IpJiIuASzoNOH5tLfPMyDX6+UbtMsnk2s0dAUwew0JGpI4+TVYE3EU7 HnnfRaPqkKQdp+dcf0jPDge93cusWGQjp0t1bzxbGp7KWVmt3JUdCNvjnCo2juwbPSvK QpvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=jDDaiGePY/ndDXubDou1X8Ra6Jb/d5YZ2Imr03pMQxE=; b=of5hhsWbywxyU02LgzJC3rrh8AWQprN85Ripk07aX8rk1WkcVJW8LVoJewUmYN+G5X Qw0NpwBlJjSrHEhMZezEIjAsFxMqTdaHfazOPZ/k4SXIik5A4dgG0jc2AHjDSEQfEs2V NNEk+uxLwrtYOqIhpD/aoOYUSa/TVK/Cy25sk+jzYnD3GUMYXKPHuhAqdD67mQlJp1wK Qj7Mxra+4INAmqm4Dv72n72F4Q9+AON6qvu/Ap5Ea0H9eGkHcY65+S3Hl09USps7mzHs iU8nRHQhOEoLGY7GHALtk15aH7JugrsSvGqgcDUkHKvPO27GMO4fyw3flC+rWIx6J/ic XClA== X-Gm-Message-State: AGRZ1gIHu6gl3CSijTMRIvBCgnUkbHjWCtzGPiUO6CnLTZZbG8luNHvL RtqipHjA7Bq+FCCRg0Z0NGn3EUUoILZon5dfvxHt09aqbnsOuC9IgctGHXxtSB9suFHT2p75k9Q keKjy2EuEv9FPQjVz8SOkg7eJEuDEohPbotSph8o= X-Google-Smtp-Source: AJdET5egUN/7ePBrfchHDZ8wBU21DzAMk3v/wK9FXLg7X5Ju9We1BAmunDBrbtDBbkxJnXI+D9kofQ8YWcCj4sFyqtA= X-Received: by 2002:a2e:5d12:: with SMTP id r18-v6mr11803078ljb.89.1540874014307; Mon, 29 Oct 2018 21:33:34 -0700 (PDT) MIME-Version: 1.0 From: Vikram K Date: Tue, 30 Oct 2018 10:03:22 +0530 Message-ID: To: xen-users@lists.xenproject.org, xen-devel@lists.xenproject.org Subject: [Xen-users] [XEN][ARM] WiFi bridge creation X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0697515769522724474==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0697515769522724474== Content-Type: multipart/alternative; boundary="0000000000004457cd05796ab0cf" --0000000000004457cd05796ab0cf Content-Type: text/plain; charset="UTF-8" Hello, We are using Hikey960 with Debian as Dom0 and DomU. This board has only WiFi interface. We want to create bridge between Dom0 and DomU so that DomU has internet access. We tried to create bridge using brtcl command, but it is not working. Please provide pointers. -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --0000000000004457cd05796ab0cf Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello,

We are using Hikey960= with Debian as Dom0 and DomU. This board has only WiFi interface. We want = to create bridge between Dom0 and DomU so that DomU has internet access. We= tried to create bridge using brtcl command, but it is not working. Please = provide pointers.



This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

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[92.245.202.144]) by smtp.gmail.com with ESMTPSA id q16-v6sm15228103wmd.0.2018.10.30.00.09.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 30 Oct 2018 00:09:34 -0700 (PDT) Date: Tue, 30 Oct 2018 08:09:29 +0100 From: Vladimir Botka To: Vikram K Message-ID: <20181030080929.6d04a875@planb.netng.org> In-Reply-To: References: Organization: na X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Subject: Re: [Xen-users] [XEN][ARM] WiFi bridge creation X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============0488698822887243485==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0488698822887243485== Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/mo1YzncGbE9eW+xTZ9C8CrK"; protocol="application/pgp-signature" --Sig_/mo1YzncGbE9eW+xTZ9C8CrK Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 30 Oct 2018 10:03:22 +0530 Vikram K wrote: > Hello, > We are using Hikey960 with Debian as Dom0 and DomU. This board has only > WiFi interface. We want to create bridge between Dom0 and DomU so that Do= mU > has internet access. We tried to create bridge using brtcl command, but it > is not working. Please provide pointers. AFAIK, it's not working https://marc.info/?l=3Dlinux-wireless&m=3D136743495526905&w=3D2 "There is a proposed fix that is included in OpenWrt" https://marc.info/?l=3Dlinux-wireless&m=3D145591129008322&w=3D2 More details are avilable in OpenWrt WiKi https://wiki.openwrt.org/doc/recipes/relayclient HTH, -vlado --Sig_/mo1YzncGbE9eW+xTZ9C8CrK Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEbaThuYKQgbbmDrVkkNGZEo7UTwEFAlvYA6oACgkQkNGZEo7U TwFZhwf/dOcd+IDxdddp9Ybi5WFR6jJ/VtxuUCM/TIGeco9LsZUmj6B7QifkXg+Z 2Nr2QnlZNAEtR29UBjMUZ1UOo3QVNGJ58ekfzZaAYSr+131fb2Czv+reDj0/gPAB RbTWJBxlY3gFqB9guuCECVbzQCVlCz4arxQYcoyz8Z9DUWjhCUUmmGRrfTlmMD6T 22viM6KouvZp8f8me34uVlKiXaUNgft52VVbWV64vn8oL8/HDNr1hr+GtQgHrj/h oAvjSnFB2EzULZDRXitZ4wlDjaKjWPmJRxR5x3AVgYGJl3uIODH8Z/d0V2FdsNOV dqZqyeDpm+I2lf0U+zfgeSiUngVKYg== =heeM -----END PGP SIGNATURE----- --Sig_/mo1YzncGbE9eW+xTZ9C8CrK-- --===============0488698822887243485== Content-Type: text/plain; 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Tue, 30 Oct 2018 02:31:51 -0700 (PDT) MIME-Version: 1.0 References: <20181030080929.6d04a875@planb.netng.org> In-Reply-To: <20181030080929.6d04a875@planb.netng.org> From: Vikram K Date: Tue, 30 Oct 2018 15:01:39 +0530 Message-ID: To: vbotka@gmail.com Subject: Re: [Xen-users] [XEN][ARM] WiFi bridge creation X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============2203075444446655466==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============2203075444446655466== Content-Type: multipart/alternative; boundary="000000000000055bbf05796edbbd" --000000000000055bbf05796edbbd Content-Type: text/plain; charset="UTF-8" Hi, As per below link, it is possible to share Internet via WiFi between Dom0 and DomU,. https://wiki.xenproject.org/wiki/Xen_in_WiFi_networks Tried the suggested solution using ebtables, but it did not work. * ebtables -t nat -A POSTROUTING -s 00:60:00:00:00:01 \ -j snat --to-source 00:60:aa:bb:cc:dd* In the configurations file we have added below configuration in DomU config file. * vif = ['mac=00:16:3e:64:b8:40']* Apart from that do we need to add any addition configuration? On Tue, Oct 30, 2018 at 12:39 PM Vladimir Botka wrote: > On Tue, 30 Oct 2018 10:03:22 +0530 > Vikram K wrote: > > > Hello, > > We are using Hikey960 with Debian as Dom0 and DomU. This board has only > > WiFi interface. We want to create bridge between Dom0 and DomU so that > DomU > > has internet access. We tried to create bridge using brtcl command, but > it > > is not working. Please provide pointers. > > AFAIK, it's not working > https://marc.info/?l=linux-wireless&m=136743495526905&w=2 > "There is a proposed fix that is included in OpenWrt" > https://marc.info/?l=linux-wireless&m=145591129008322&w=2 > More details are avilable in OpenWrt WiKi > https://wiki.openwrt.org/doc/recipes/relayclient > > HTH, > > -vlado > -- Thanks & Regards Vikram KS -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --000000000000055bbf05796edbbd Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi= ,

=C2=A0 As per below link, it is possible to shar= e Internet via WiFi between Dom0 and DomU,.

=C2=A0 Trie= d the suggested solution using ebtables, but it did not work. 
 ebtables =
-t nat -A POSTROUTING -s 00:60:00:00:00:01 \
              -j snat --to-source 00:60:aa:bb:cc:dd

 In the config=
urations file we have added below configuration in DomU config file.
=
 vif =3D ['mac=3D00:16:3e:64:b8:40']
=C2=
=A0
Apart from that do we need to add any addition configura= tion?


On Tue, Oct 30, 2018 at 12:39 PM Vladimir Botka = <vbotka@gmail.com> wrote:
=
On Tue, 30 Oct 2018 10:03:22 +0530
Vikram K <vikram.k@pathpartnertech.com> wrote:

> Hello,
> We are using Hikey960 with Debian as Dom0 and DomU. This board has onl= y
> WiFi interface. We want to create bridge between Dom0 and DomU so that= DomU
> has internet access. We tried to create bridge using brtcl command, bu= t it
> is not working. Please provide pointers.

AFAIK, it's not working
https://marc.info/?l=3Dlinux-= wireless&m=3D136743495526905&w=3D2
"There is a proposed fix that is included in OpenWrt"
https://marc.info/?l=3Dlinux-= wireless&m=3D145591129008322&w=3D2
More details are avilable in OpenWrt WiKi
https://wiki.openwrt.org/doc/recipes/relayclient=

HTH,

-vlado


--
Thanks & Regards
Vikram KS

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

--000000000000055bbf05796edbbd-- --===============2203075444446655466== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============2203075444446655466==-- From xen-users-bounces@lists.xenproject.org Tue Oct 30 10:35:20 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 30 Oct 2018 10:35:20 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHRLk-0006Jx-4S; Tue, 30 Oct 2018 10:34:16 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHRLi-0006Ji-CF for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 10:34:14 +0000 X-Inumbo-ID: 57c1a2da-dc2f-11e8-87d6-bc764e045a96 Received: from mail-wr1-x432.google.com (unknown [2a00:1450:4864:20::432]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 57c1a2da-dc2f-11e8-87d6-bc764e045a96; Tue, 30 Oct 2018 10:34:13 +0000 (UTC) Received: by mail-wr1-x432.google.com with SMTP id 74-v6so3756301wrb.13; Tue, 30 Oct 2018 03:34:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :organization:mime-version; bh=+5+6vkHi29v7Rc7GL5fXhUQShpZdYjzS/t7IVn/Czuk=; b=YscYYYl4dlPa9m5qyWZCUjZzBf8ETvR/jL/pkju6jd2CLIEhhbXJuJr0IaN3OFGDvK loV6yQZc0VJC10MrpI69IhQqYrAJFe09ACxN+8i3/GVSeS7lXHo7RpknshcPJKf6FtRO HEc6Hs5antk9tKNeNg11Lb5m3VAaPu17cir+8sjr/Yr9YdwVfLGaufwPa8ibBWsWu2Yk gOz3yDKlHnXV+atiBliQYdwXe1QjkC9WevpG9Fd4xTQsByoha1xxMWIcE4IxsOnRuun9 zV/Q7pn+hfykS28dUbTJCnxAfKGTTF6QhajeIpzLKe9vSsM87xoFwmVq8r6UPqaBfZSw qZKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version; bh=+5+6vkHi29v7Rc7GL5fXhUQShpZdYjzS/t7IVn/Czuk=; b=Tc+MFXPS6Mv7uGjx/Uk9Kl67EIEmaRyl8G3GmjjtnEMr2ewVRPVftCBhpl1TGYK2cX wMKMc+KS7udhJyduBeG3vkS29vTvxp09jy8RONGzK7EAH+4ahGlSSqmwpj30woxNjArY xeJHqZoOzQqdrBRGKoluoJNh2PMiU4+L7WZefWgvM2uKJ/b8pj5fn5bBrygE8aBzbmD+ 1Ej9KKj3fNPCMDm5EvYFJsSJ2zcTWWclMEpZMLvfJaC5lyHLNYqQvSAyeeLV7Pzk+ZPL 6uLtn1MrilVBTIZzOpGHhufNHUrinA3zFLty0DVCpLb10f87n3Qo/6dJil13P5JNsqhn zZew== X-Gm-Message-State: AGRZ1gKfOyp1JEGyfR1lf6QaqsYPL7cdp79KfFwyG7WG0Eod22LGaPKd eHFtPuXtgiWVbKvntNSHO/I= X-Google-Smtp-Source: AJdET5c+RCr25yB+8s25X4e781YrtjFX6c9MUhI3y/3Blzz4kV7OJg0/cJb3VSL7nU77InS1ldUm2A== X-Received: by 2002:a5d:564f:: with SMTP id j15-v6mr994020wrw.228.1540895652263; Tue, 30 Oct 2018 03:34:12 -0700 (PDT) Received: from planb.netng.org (92-245-202-144.satronet.sk. [92.245.202.144]) by smtp.gmail.com with ESMTPSA id 193-v6sm1665218wmp.48.2018.10.30.03.34.10 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 30 Oct 2018 03:34:11 -0700 (PDT) Date: Tue, 30 Oct 2018 11:34:08 +0100 From: Vladimir Botka To: Vikram K Message-ID: <20181030113408.74525d80@planb.netng.org> In-Reply-To: References: <20181030080929.6d04a875@planb.netng.org> Organization: na X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Subject: Re: [Xen-users] [XEN][ARM] WiFi bridge creation X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============6090023209452844553==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============6090023209452844553== Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/O8jgs21=Nf//IWlLqx.q1U_"; protocol="application/pgp-signature" --Sig_/O8jgs21=Nf//IWlLqx.q1U_ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable > On Tue, Oct 30, 2018 at 12:39 PM Vladimir Botka wrote: > > On Tue, 30 Oct 2018 10:03:22 +0530 > > Vikram K wrote: > > > Hello, > > > We are using Hikey960 with Debian as Dom0 and DomU. This board has on= ly > > > WiFi interface. We want to create bridge between Dom0 and DomU so tha= t =20 > > > DomU =20 > > > has internet access. We tried to create bridge using brtcl command, b= ut =20 > > > it =20 > > > is not working. Please provide pointers. =20 > > AFAIK, it's not working > > https://marc.info/?l=3Dlinux-wireless&m=3D136743495526905&w=3D2 > > "There is a proposed fix that is included in OpenWrt" > > https://marc.info/?l=3Dlinux-wireless&m=3D145591129008322&w=3D2 > > More details are avilable in OpenWrt WiKi > > https://wiki.openwrt.org/doc/recipes/relayclient > > -vlado On Tue, 30 Oct 2018 15:01:39 +0530 Vikram K wrote: > Hi, > As per below link, it is possible to share Internet via WiFi between Dom0 > and DomU,. > https://wiki.xenproject.org/wiki/Xen_in_WiFi_networks > Tried the suggested solution using ebtables, but it did not work. > * ebtables -t nat -A POSTROUTING -s 00:60:00:00:00:01 \ > -j snat --to-source 00:60:aa:bb:cc:dd* > In the configurations file we have added below configuration in DomU > config file. > * vif =3D ['mac=3D00:16:3e:64:b8:40']* > Apart from that do we need to add any addition configuration? NAT is a different story. Worked for me with Armbian(no XEN) and Atheros 92= 80 couple of years ago. I used Ansible to configure it. https://github.com/vbotka/ansible-linux-postinstall/blob/master/templates/r= outer1-iptables.j2 HTH, - vlado --Sig_/O8jgs21=Nf//IWlLqx.q1U_ Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEbaThuYKQgbbmDrVkkNGZEo7UTwEFAlvYM6AACgkQkNGZEo7U TwE5lgf9Haf1AwdlZj0KbytTpKZNtM2SByLvgm2UrfeMO3MLoweRh03ZHLhEJaSw pNZIfopYYrZAeGH2r8pfp3+whAlFkEC3N5o03N9jqyLyYp3/eoAUgSOFqjpe0wgP G3VxuMqYzMbXC/p/fMeOv9ciH/f5utm6vGAcenoqU7uC3JmMsGeorYGMAFGwwj+v BSoISVvJpzMyc7figJr/a4ARS0xWR3+izVm9yUUVbJ8nc4Qtw0X2H2Qgz96rEOXj lTI+MqRy62kEAmshu81Hv7fej0UWce0g3ByVMMzsIoDRq/moDyrmxgxsaNxmv6rH EH8A51QWc1FRHIgCp8IhsnS4uccBEA== =slBT -----END PGP SIGNATURE----- --Sig_/O8jgs21=Nf//IWlLqx.q1U_-- --===============6090023209452844553== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============6090023209452844553==-- From xen-users-bounces@lists.xenproject.org Tue Oct 30 11:13:49 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 30 Oct 2018 11:13:49 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHRx0-00023T-KI; Tue, 30 Oct 2018 11:12:46 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHRwz-00023I-5Q for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 11:12:45 +0000 X-Inumbo-ID: b78ab663-dc34-11e8-87d6-bc764e045a96 Received: from apollo.dupie.be (unknown [2001:bc8:3f2a:101::1]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id b78ab663-dc34-11e8-87d6-bc764e045a96; Tue, 30 Oct 2018 11:12:41 +0000 (UTC) Received: from [IPv6:2a02:1807:1420:400:d00f:62e8:c607:e088] (unknown [IPv6:2a02:1807:1420:400:d00f:62e8:c607:e088]) by apollo.dupie.be (Postfix) with ESMTPSA id 5266B33C0057; Tue, 30 Oct 2018 12:12:40 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1540897960; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BoDA/wPayEcACP598kDXvtExobhwLhX7p/+EfCCs74U=; b=MPN6FqSoF6mQx9OuYWYMsm1xMxu2eMRQL68ES2tnmjlOAiARpsyvM89QBcdPDcgD8MGI72 FWWmND8QVCzgbXTwKzCI3kQzpPyYLjZNE2umNfQL2fLNNe44IKfvx8pi/D76LsjULX9NuW YOpBH5YyQ7k1T9HlCHQFUeheHfUccR/67tvDIJ7KtxLVAAFf1oU4lmp+DWkkcBr8uQt5DQ Vq5Z0yLjujBMdfQe7+CsBvc5X9jEeKA5eZ4msTbT8C2bxKby9kz7OOrrw/uZSinGmaDLKz GG4kIZozlSK6rdkT2+HTbgUe5/sC5E5DkEMvAzOvAVdhtt+/YYsCuEYmY8RJLw== To: Roalt Zijlstra | webpower , xen-users@lists.xenproject.org References: From: Jean-Louis Dupond Message-ID: Date: Tue, 30 Oct 2018 12:12:39 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=dupond.be; s=dkim; t=1540897960; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BoDA/wPayEcACP598kDXvtExobhwLhX7p/+EfCCs74U=; b=kj3pL8wpZnEkSontMtdD9ijW+qUrtwBNDsu54AVfifgbN/4O2QWOW0ZB+DFP1r2rKxnyIp abx1HgfEnxygix1udM856oxo8c9ee2T4a0rP6rG85p53HnWWlPoe1RD2SbdSe3Y1kuZUuW znm6abG9eL3ZB8v7UKliZsSaJ8UUHIKCpM8guR9bCadHsxgSfWnrrL+4+Mp6HIHII/izhM 7FYAF9wH39tphXmaH9v4NU9H4hGRh0ZjubjafAsABD0aGJN/8CBffEwErbF80YVMmNK8Zs f7FS06jZ6y7yy4jfnsArOIhDYUjvBO/y9V/Y3vi7V99dtHC8fCDBb/thsh+Jjg== ARC-Seal: i=1; s=dkim; d=dupond.be; t=1540897960; a=rsa-sha256; cv=none; b=f8ow5sb3DBsRS81+bPC91nSKNGxNrW7pl+gBRDrjRNnWyY7yXe/SZqMTnrwqZh+tK+84sBdmHfQF7U7tlc5OTH69F+pETgAy39qRmIhi8orD8Z/i7oxMCQ9g9sFB+jFqXTe5nM1XQ8pjrESUu3rwhuqRgTA5r596UTVUkLS1ZtGYXrLxT8i2aHRFBsGHgCQfNm6xzqGkx5b0KtX0+wJzXtSoOowU2JyKri0BcUUTAMQ5RT8/pmZaMti0713l9v04GGM04VPfk2cEPCF4K/9q5hcFbl2FDairy6/q+Q91zogsT0BqV0wBNL0vtUf20i/u1+PzRewvpJ5Qqx9q/TO3Lg== ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.auth=jean-louis@dupond.be smtp.mailfrom=jean-louis@dupond.be X-Spam: Yes Subject: Re: [Xen-users] Dom0 crashes without logging lately on Debian Stretch with Xen 4.8 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============5818783956099528855==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============5818783956099528855== Content-Type: multipart/alternative; boundary="------------E30156ACE7C8D17FCA284B07" Content-Language: en-US This is a multi-part message in MIME format. --------------E30156ACE7C8D17FCA284B07 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi Roalt, We are running Xen 4.6 on 4.9.x kernel and CentOS 6, and are having the same issues. But not that frequent as you state. Only like once every month. The systems (Dell R630) also crashes/resets without any message. So nothing is logged unfortunately :( The crashes were not observed on Xen 4.4. We configured the servers to print kernel logs to SOL (Serial Over LAN via iDRAC), and we log those. But since then no crashed servers anymore, so we don't know yet if this will give us some more details. Thanks Jean-Louis On 29/10/18 12:57, Roalt Zijlstra | webpower wrote: > Hi there, > > Ever since all the Meltdown and Spectre kernel updates and possibly > also Xen 4.8 updates, we experience crashes of the Dom0 just out of > the blue. Sometimes after 1 day, sometimes after a few days or even 14 > days, completely random. > > We have two Dell P730 servers and two Dell P720 servers with this > behaviour. One thing is that we updated these machine to the latest > available firmware, because that is the most secure way. Then we > installed Debian Stretch with Xen 4.8 support > > We have done serveral installs and 4 servers seem to crash pretty fast > and other don't. In the end we think that we can lead it back to the > xen-4.8.4-pre version being stable and the xen-4.8.5-pre being > unstable. This was kinda independent of the kernel that we were using > 4.14 or 4.9.0-8-amd64. This is off course all Debian package numbering. > > As last resort  we updated on one server all DomU kernels of our > Jessie servers on this Dom0 to 4.9.0 from backports instead of the > 3.16 kernel. For now that seems to work, but the crashes are random so > it could happen any time again. The idea is that these kernels are > completely spectre& meltdown unaware and might cause trouble in Xen > kernel support. I am not sure if this is true at all, but we are > pretty lost what the actual cause is. > > We also tested with CentOS and we also had these crashes there with > certain combinations of kernel/Xen. The most recent updates seem to be > more stable tough. The most frustrating part is the there is > absolutely no logs to be found. No kernel oops or what.. the server > just resets and boots again. > > Are there others experiencing problems like this? Do you see more > frequent server/kernel crashes on production servers? > > Best regards, > > Roalt Zijlstra > > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-users --------------E30156ACE7C8D17FCA284B07 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit

Hi Roalt,

We are running Xen 4.6 on 4.9.x kernel and CentOS 6, and are having the same issues.
But not that frequent as you state. Only like once every month.

The systems (Dell R630) also crashes/resets without any message. So nothing is logged unfortunately :(

The crashes were not observed on Xen 4.4.

We configured the servers to print kernel logs to SOL (Serial Over LAN via iDRAC), and we log those.
But since then no crashed servers anymore, so we don't know yet if this will give us some more details.


Thanks
Jean-Louis

On 29/10/18 12:57, Roalt Zijlstra | webpower wrote:
Hi there,

Ever since all the Meltdown and Spectre kernel updates and possibly also Xen 4.8 updates, we experience crashes of the Dom0 just out of the blue. Sometimes after 1 day, sometimes after a few days or even 14 days, completely random.

We have two Dell P730 servers and two Dell P720 servers with this behaviour. One thing is that we updated these machine to the latest available firmware, because that is the most secure way. Then we installed Debian Stretch with Xen 4.8 support

We have done serveral installs and 4 servers seem to crash pretty fast and other don't. In the end we think that we can lead it back to the xen-4.8.4-pre version being stable and the xen-4.8.5-pre being unstable. This was kinda independent of the kernel that we were using 4.14 or 4.9.0-8-amd64. This is off course all Debian package numbering.

As last resort  we updated on one server all DomU kernels of our Jessie servers on this Dom0 to 4.9.0 from backports instead of the 3.16 kernel. For now that seems to work, but the crashes are random so it could happen any time again. The idea is that these kernels are completely spectre& meltdown unaware and might cause trouble in Xen kernel support. I am not sure if this is true at all, but we are pretty lost what the actual cause is.

We also tested with CentOS and we also had these crashes there with certain combinations of kernel/Xen. The most recent updates seem to be more stable tough. The most frustrating part is the there is absolutely no logs to be found. No kernel oops or what.. the server just resets and boots again.

Are there others experiencing problems like this? Do you see more frequent server/kernel crashes on production servers?  

Best regards,
 
Roalt Zijlstra

 

_______________________________________________
Xen-users mailing list
Xen-users@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users
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Can some one provide pointer/reference on how to use NAT to share WiFi between Dom0 and DomU. Followed the instruction provided in the below link, but no success. https://wiki.debian.org/BridgeNetworkConnections#Bridging_with_a_wireless_NIC On Tue, Oct 30, 2018 at 4:04 PM Vladimir Botka wrote: > > On Tue, Oct 30, 2018 at 12:39 PM Vladimir Botka > wrote: > > > On Tue, 30 Oct 2018 10:03:22 +0530 > > > Vikram K wrote: > > > > Hello, > > > > We are using Hikey960 with Debian as Dom0 and DomU. This board has > only > > > > WiFi interface. We want to create bridge between Dom0 and DomU so > that > > > > DomU > > > > has internet access. We tried to create bridge using brtcl command, > but > > > > it > > > > is not working. Please provide pointers. > > > > AFAIK, it's not working > > > https://marc.info/?l=linux-wireless&m=136743495526905&w=2 > > > "There is a proposed fix that is included in OpenWrt" > > > https://marc.info/?l=linux-wireless&m=145591129008322&w=2 > > > More details are avilable in OpenWrt WiKi > > > https://wiki.openwrt.org/doc/recipes/relayclient > > > -vlado > > On Tue, 30 Oct 2018 15:01:39 +0530 > Vikram K wrote: > > Hi, > > As per below link, it is possible to share Internet via WiFi between Dom0 > > and DomU,. > > https://wiki.xenproject.org/wiki/Xen_in_WiFi_networks > > Tried the suggested solution using ebtables, but it did not work. > > * ebtables -t nat -A POSTROUTING -s 00:60:00:00:00:01 \ > > -j snat --to-source 00:60:aa:bb:cc:dd* > > In the configurations file we have added below configuration in DomU > > config file. > > * vif = ['mac=00:16:3e:64:b8:40']* > > Apart from that do we need to add any addition configuration? > > NAT is a different story. Worked for me with Armbian(no XEN) and Atheros > 9280 > couple of years ago. I used Ansible to configure it. > > https://github.com/vbotka/ansible-linux-postinstall/blob/master/templates/router1-iptables.j2 > > HTH, > > - vlado > -- Thanks & Regards Vikram KS -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --000000000000ec46bd057972ca71 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thanks Vladimir.

Can some one provide pointer/reference on how to use NAT to share WiF= i between Dom0 and DomU.
Followed the instruction provided in the= below link, but no success.

=



On Tue, Oct 30, 2018 at 4:04 PM Vladimir = Botka <vbotka@gmail.com> wrot= e:
> On Tue, Oct 30, 2018 at 12:= 39 PM Vladimir Botka <vbotka@gmail.com> wrote:
> > On Tue, 30 Oct 2018 10:03:22 +0530
> > Vikram K <vikram.k@pathpartnertech.com> wrote:
> > > Hello,
> > > We are using Hikey960 with Debian as Dom0 and DomU. This boa= rd has only
> > > WiFi interface. We want to create bridge between Dom0 and Do= mU so that=C2=A0
> > > DomU=C2=A0
> > > has internet access. We tried to create bridge using brtcl c= ommand, but=C2=A0
> > > it=C2=A0
> > > is not working. Please provide pointers.=C2=A0

> > AFAIK, it's not working
> > https://marc.info/?= l=3Dlinux-wireless&m=3D136743495526905&w=3D2
> > "There is a proposed fix that is included in OpenWrt" > > https://marc.info/?= l=3Dlinux-wireless&m=3D145591129008322&w=3D2
> > More details are avilable in OpenWrt WiKi
> > https://wiki.openwrt.org/doc/recipes/rela= yclient
> > -vlado

On Tue, 30 Oct 2018 15:01:39 +0530
Vikram K <vikram.k@pathpartnertech.com> wrote:
> Hi,
> As per below link, it is possible to share Internet via WiFi between D= om0
> and DomU,.
> https://wiki.xenproject.org/wiki/Xen_in_W= iFi_networks
> Tried the suggested solution using ebtables, but it did not work.
> * ebtables -t nat -A POSTROUTING -s 00:60:00:00:00:01 \
>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0-j snat --to-sou= rce 00:60:aa:bb:cc:dd*
> In the configurations file we have added below configuration in DomU > config file.
> * vif =3D ['mac=3D00:16:3e:64:b8:40']*
> Apart from that do we need to add any addition configuration?

NAT is a different story. Worked for me with Armbian(no XEN) and Atheros 92= 80
couple of years ago. I used Ansible to configure it.
https:/= /github.com/vbotka/ansible-linux-postinstall/blob/master/templates/router1-= iptables.j2

HTH,

- vlado


--
Thanks & Regards
Vikram KS

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

--000000000000ec46bd057972ca71-- --===============7355045083944246471== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============7355045083944246471==-- From xen-users-bounces@lists.xenproject.org Tue Oct 30 15:06:57 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 30 Oct 2018 15:06:57 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHVaX-0000lN-0m; Tue, 30 Oct 2018 15:05:49 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHVaU-0000l8-JY for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 15:05:46 +0000 X-Inumbo-ID: 46659833-dc55-11e8-87d6-bc764e045a96 Received: from mail-wr1-x444.google.com (unknown [2a00:1450:4864:20::444]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 46659833-dc55-11e8-87d6-bc764e045a96; Tue, 30 Oct 2018 15:05:45 +0000 (UTC) Received: by mail-wr1-x444.google.com with SMTP id x12-v6so12977923wrw.8; Tue, 30 Oct 2018 08:05:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :organization:mime-version; bh=hzJw6PTJti7zlrbYyNe+NM+H7pi77U+AilbZqC6dGks=; b=FzptY6So9Tj1Bj2HAnIC6sEE6T1Fy/Nr+/ZXGzSrG/svMeMhcYj4fJmnTzB47XQ/mk 1VMFYe1K66I4wzPGCcOfg0Qsz++gp8X6M4vu4UIBgtqFEtOpzcL+0iobZyO00p0Bc7ap 7UZCf8J+GtY2Uv1pNHPpk9Peib5G2XJrEL1y3tItmsCFc5zT0UTWeo6miq9yr4LuYJC5 QhX6sVjtBXcYCxesbeVve4tdZnN9bjJ3y0qlEtV5HV2zWo/r5qJ0xDylWIy4P/lzFk5Z mRQbTM53OFDiM8utmdOD/i0GwxFZcBVcKni+DO1Uh0bqPZQnSM+o93XQ3thx/CP6+fCP MNAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version; bh=hzJw6PTJti7zlrbYyNe+NM+H7pi77U+AilbZqC6dGks=; b=nUiP6aps+ckwNGrHg+LWYzSfO8W2P3AIXMDFoiIiJ+YU14BX9POMsxPJrsQsMorTNR Kxys9j+Fu/T96vNdDpvr3RUyZg3MoUBRo7ipixIz1iDN15MWMY86SNtGazezOb2bTC2w 4+3XetrQNvDLWsoG9RGhoYsNV9sjj5Mk58gBFrnyGIdclB4fGT2ibMyqZPki/FdBMQzg 7DTnsyPKjfS1VbQugih7UZf/iOkFpg3wAchPSQRdRS78y/L5Hvc7blW7t++ax5v34jdU mhSZy6p47HF7V7rkn5vJOcrHEGWXRLxAL7DktAC0gpUqF+keObVFJY7h1fVVOU/cPJgE ObJA== X-Gm-Message-State: AGRZ1gJieL8zlTZlFZRmxtIxAHDvJLfw+jlrW52+BVz+d1YYuLuVWK+G eOFw4fxxcMVP0wEfSuPwbsJPwFBJ X-Google-Smtp-Source: AJdET5dJQd8R78pAafoVyaBdlMYSSOYAsgTMa5f4iPHqyo/nLQPuIqZDljGD/kL75XNYsXtxAZV87w== X-Received: by 2002:adf:9e09:: with SMTP id u9-v6mr17956629wre.51.1540911943897; Tue, 30 Oct 2018 08:05:43 -0700 (PDT) Received: from planb.netng.org (92-245-202-144.satronet.sk. [92.245.202.144]) by smtp.gmail.com with ESMTPSA id r188-v6sm2808953wmg.19.2018.10.30.08.05.42 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 30 Oct 2018 08:05:42 -0700 (PDT) Date: Tue, 30 Oct 2018 16:05:40 +0100 From: Vladimir Botka To: Vikram K Message-ID: <20181030160540.01ef6a3b@planb.netng.org> In-Reply-To: References: <20181030080929.6d04a875@planb.netng.org> <20181030113408.74525d80@planb.netng.org> Organization: na X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Subject: Re: [Xen-users] [XEN][ARM] WiFi bridge creation X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-devel@lists.xenproject.org, xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============8236619601966482261==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============8236619601966482261== Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/joo9MJVwU596C0dnwmCS3I8"; protocol="application/pgp-signature" --Sig_/joo9MJVwU596C0dnwmCS3I8 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable > > > > > Hello, > > > > > We are using Hikey960 with Debian as Dom0 and DomU. This board has > > > > > only WiFi interface. We want to create bridge between Dom0 and Do= mU > > > > > so that DomU has internet access. We tried to create bridge using= brtcl > > > > > command, but it is not working. Please provide pointers. =20 > > > > AFAIK, it's not working > > > > https://marc.info/?l=3Dlinux-wireless&m=3D136743495526905&w=3D2 > > > > "There is a proposed fix that is included in OpenWrt" > > > > https://marc.info/?l=3Dlinux-wireless&m=3D145591129008322&w=3D2 > > > > More details are avilable in OpenWrt WiKi > > > > https://wiki.openwrt.org/doc/recipes/relayclient > > > > -vlado =20 > > > Hi, > > > As per below link, it is possible to share Internet via WiFi between > > > Dom0 and DomU,. > > > https://wiki.xenproject.org/wiki/Xen_in_WiFi_networks > > > Tried the suggested solution using ebtables, but it did not work. > > > * ebtables -t nat -A POSTROUTING -s 00:60:00:00:00:01 \ > > > -j snat --to-source 00:60:aa:bb:cc:dd* > > > In the configurations file we have added below configuration in DomU > > > config file. > > > * vif =3D ['mac=3D00:16:3e:64:b8:40']* > > > Apart from that do we need to add any addition configuration? =20 > > NAT is a different story. Worked for me with Armbian(no XEN) and Atheros > > 9280 > > couple of years ago. I used Ansible to configure it. > > https://github.com/vbotka/ansible-linux-postinstall/blob/master/templat= es/router1-iptables.j2 Vikram K wrote: > Thanks Vladimir. > Can some one provide pointer/reference on how to use NAT to share WiFi > between Dom0 and DomU. > Followed the instruction provided in the below link, but no success. > https://wiki.debian.org/BridgeNetworkConnections#Bridging_with_a_wireless= _NIC NAT is feasible. Follow the links and come back with specific questions in an appropriate list, if needed. Wifi bridge is NO-GO at the moment. A: Because we read from top to bottom. Q: Why should I start my reply below the quoted text? A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? =20 A: The lost context. Q: What makes top-posted replies harder to read than bottom-posted? A: Yes. Q: Should I trim down the quoted part of an email to which I'm replying? -vlado --Sig_/joo9MJVwU596C0dnwmCS3I8 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEbaThuYKQgbbmDrVkkNGZEo7UTwEFAlvYc0QACgkQkNGZEo7U TwE3GggAkmkxB7z2C3HTTLZltUqMbjJwYg8dRmba/DRJjbmb0tipEniB4G3pZxgb 9hVrOzR56stt4ObOIAOOCVjLmAxOJUc7Hh7nrLmei7XQShAN8OJz+TJz3P2dvUah WjbEzWv480g5r51vAMLdLFJ2+AXoFWOErZ+BLQSb1nW15si+kwgYok5HUjRb5Gdf AEwNL8v9uEbgMlfLchQppkzvsFhiW55NQ4J4Yfkp3Oedl0cMnV7Oqn9KV7JpRPdE E20xa2L4+cq7bMbdfX+CqVjFZOsL00jxo2xTykWKv/VrsXbjAZXhfA93ElqdokWP uQce3YmKGfhf0rSe/HC9Ja3y1VaAiw== =lAhS -----END PGP SIGNATURE----- --Sig_/joo9MJVwU596C0dnwmCS3I8-- --===============8236619601966482261== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============8236619601966482261==-- From xen-users-bounces@lists.xenproject.org Tue Oct 30 15:40:24 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 30 Oct 2018 15:40:24 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHW70-0004UI-9r; Tue, 30 Oct 2018 15:39:22 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHW6y-0004U7-OO for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 15:39:20 +0000 X-Inumbo-ID: f5edf426-dc59-11e8-87d6-bc764e045a96 Received: from mail-qt1-x844.google.com (unknown [2607:f8b0:4864:20::844]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id f5edf426-dc59-11e8-87d6-bc764e045a96; Tue, 30 Oct 2018 15:39:17 +0000 (UTC) Received: by mail-qt1-x844.google.com with SMTP id l9-v6so13940080qtj.12 for ; Tue, 30 Oct 2018 08:39:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=webpower.nl; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=EXWv4XW4nOEIPW6tES+goUDnpUrgvZ/1LMVr6B5K1bg=; b=kndmeoxyDiPQGSKOoXyOMFpKqaeDtlZu4oQbAkx64al8A0VQVKKTl2qVsWM404m/KN srw+2r1yvQeqd+xiDgSugpmngHR+cXHrsD2Ni9FBznlLsmnhaFXgJycSSbCeHy6tQZcZ qtoX16Zf9PQfmLHasL0zXrQHQDshA0LWxe9aw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=EXWv4XW4nOEIPW6tES+goUDnpUrgvZ/1LMVr6B5K1bg=; b=VM2RYdswsjr03Q6VQaqsnv2TXT4fxxaAxFuxVzZc1vOHx0FU61ydtNnWqV9R2zE4tG yjSTUMYyEwWBWG/dgdzMIUAZrfUaT8AOVm/6D+smGIMYex2yysdWoAGng4sTQQRegGzy hxZQruGaV2igEmmI72W67+fLETFNasZ5ptie32eSv5KSwE5rp78+u2GpmjXd85c3s5hB Lc/nbIzBpIJCYmxmel1hC38qc/G7Gyp8oCE93uFVVkH2XRcb4inkA3R7EciRcWO+JEe4 GSsKIY5p4F2GAa2HQXwePuitWtoSJiwUfQZtM2zr9DesmbxdN4139l3ad+9ElPj1V0O7 /9Pg== X-Gm-Message-State: AGRZ1gJWcUzsOvTJdXWAZi6USEH3MDMKQaAGc06ZR6h/8qqjHdzy6V/J P+JFOPAFf3qGj7hTsAEfdItIHJhAVNTyOXBN4j57XMW8+W8= X-Google-Smtp-Source: AJdET5dgGZ2ASrFRv/RfHgZ/vsXPWYSY1Hpq3enmDjCFxLKohrVBHpX7+Wv8QJPlafXiIUe3JzzOB9S0bnSDd/uW/Pg= X-Received: by 2002:aed:2461:: with SMTP id s30-v6mr2662829qtc.160.1540913956704; Tue, 30 Oct 2018 08:39:16 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: "Roalt Zijlstra | webpower" Date: Tue, 30 Oct 2018 16:39:05 +0100 Message-ID: To: jean-louis@dupond.be Subject: Re: [Xen-users] Dom0 crashes without logging lately on Debian Stretch with Xen 4.8 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============6188007466570546231==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============6188007466570546231== Content-Type: multipart/alternative; boundary="00000000000004ff97057973fdec" --00000000000004ff97057973fdec Content-Type: text/plain; charset="UTF-8" Hi Jean-Louis, Thanks for sharing this info. If I look at my set of servers then we also have CentOS 6 servers which used to crash after 3 or 4 weeks. However with the 4.9.112-32.el6.x86_64 kernel and Xen 4.8.4-1.el6 it looks to be more stable with 65+ days of uptime on six servers running that particular setup. I still think that the 4.8.4-pre Xen package for Debian is the stable version, so if you think of upgrading to 4.8.5-pre I would not recommend it yet. Best regards, Roalt Zijlstra Teamleader Infra & Deliverability roalt.zijlstra@webpower.nl +31 342 423 262 roalt.zijlstra https://www.webpower-group.com [image: Facebook] [image: Twitter] [image: Linkedin] Barcelona | Barneveld | Beijing | Chengdu | Guangzhou Hamburg | Shanghai | Shenzhen | Stockholm Op di 30 okt. 2018 om 12:12 schreef Jean-Louis Dupond : > Hi Roalt, > > We are running Xen 4.6 on 4.9.x kernel and CentOS 6, and are having the > same issues. > But not that frequent as you state. Only like once every month. > > The systems (Dell R630) also crashes/resets without any message. So > nothing is logged unfortunately :( > > The crashes were not observed on Xen 4.4. > > We configured the servers to print kernel logs to SOL (Serial Over LAN via > iDRAC), and we log those. > But since then no crashed servers anymore, so we don't know yet if this > will give us some more details. > > > Thanks > Jean-Louis > On 29/10/18 12:57, Roalt Zijlstra | webpower wrote: > > Hi there, > > Ever since all the Meltdown and Spectre kernel updates and possibly also > Xen 4.8 updates, we experience crashes of the Dom0 just out of the blue. > Sometimes after 1 day, sometimes after a few days or even 14 days, > completely random. > > We have two Dell P730 servers and two Dell P720 servers with this > behaviour. One thing is that we updated these machine to the latest > available firmware, because that is the most secure way. Then we installed > Debian Stretch with Xen 4.8 support > > We have done serveral installs and 4 servers seem to crash pretty fast and > other don't. In the end we think that we can lead it back to the > xen-4.8.4-pre version being stable and the xen-4.8.5-pre being unstable. > This was kinda independent of the kernel that we were using 4.14 or > 4.9.0-8-amd64. This is off course all Debian package numbering. > > As last resort we updated on one server all DomU kernels of our Jessie > servers on this Dom0 to 4.9.0 from backports instead of the 3.16 kernel. > For now that seems to work, but the crashes are random so it could happen > any time again. The idea is that these kernels are completely spectre& > meltdown unaware and might cause trouble in Xen kernel support. I am not > sure if this is true at all, but we are pretty lost what the actual cause > is. > > We also tested with CentOS and we also had these crashes there with > certain combinations of kernel/Xen. The most recent updates seem to be more > stable tough. The most frustrating part is the there is absolutely no logs > to be found. No kernel oops or what.. the server just resets and boots > again. > > Are there others experiencing problems like this? Do you see more frequent > server/kernel crashes on production servers? > > Best regards, > Roalt Zijlstra > > > _______________________________________________ > Xen-users mailing listXen-users@lists.xenproject.orghttps://lists.xenproject.org/mailman/listinfo/xen-users > > --00000000000004ff97057973fdec Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Jean-Louis,

Thanks for sharing this info.= =C2=A0

If I look at my= set of servers then we also have CentOS 6 servers which used to crash afte= r 3 or 4 weeks.
However with the 4.9.112-32.el6.x86_64 kernel and Xen = 4.8.4-1.el6 it looks to be more stable with 65+ days = of uptime on six servers running that particular setup.

I still think that the 4.8.4-pre Xen package for Debian is the stable ver= sion, so if you think of upgrading to 4.8.5-pre=C2=A0 I would not recommend= it yet.

=
= =
Best regards,
=C2=A0Roalt Zijlstra
=C2=A0=C2=A0Teaml= eader Infra & Deliverability
=C2=A0=C2=A0=C2=A0
=C2=A0roalt.zijlstra@webpower.nl=
=C2= =A0+= 31 342 423 262
=C2=A0roalt.zijlstra
=C2=A0https://www.webpower= -group.com
=C2=A0
=
=C2=A0
3D"Facebook"= =C2=A03D"Twitter"=C2=A03D"Linkedin"
Barcelona | Barneveld |= Beijing | Chengdu | Guangzhou
Hamburg | Shanghai | Shenzhen | Stockholm= 		=C2=A0
<= tbody>
=

Op di 30 okt. = 2018 om 12:12 schreef Jean-Louis Dupond <jean-louis@dupond.be>:
=20 =20 =20

Hi Roalt,

We are running Xen 4.6 on 4.9.x kernel and CentOS 6, and are having the same issues.
But not that frequent as you state. Only like once every month.

The systems (Dell R630) also crashes/resets without any message. So nothing is logged unfortunately :(

The crashes were not observed on Xen 4.4.

We configured the servers to print kernel logs to SOL (Serial Over LAN via iDRAC), and we log those.
But since then no crashed servers anymore, so we don't know yet i= f this will give us some more details.


Thanks
Jean-Louis

On 29/10/18 12:57, R= oalt Zijlstra | webpower wrote:
=20
Hi there,

Ever since all the Meltdown and Spectre kernel updates and possibly also Xen 4.8 updates, we experience crashes of the Dom0 just out of the blue. Sometimes after 1 day, sometimes after a few days or even 14 days, completely random.

We have two Dell P730 servers and two Dell P720 servers with this behaviour. One thing is that we updated these machine to the latest available firmware, because that is the most secure way. Then we installed Debian Stretch with Xen 4.8 support

We have done serveral installs and 4 servers seem to crash pretty fast and other don't. In the end we think that we can lead it back to the xen-4.8.4-pre version being stable and the xen-4.8.5-pre being unstable. This was kinda independent of the kernel that we were using 4.14 or 4.9.0-8-amd64. This is off course all Debian package numbering.

As last resort=C2=A0 we updated on one server all DomU kernels of ou= r Jessie servers on this Dom0 to 4.9.0 from backports instead of the 3.16 kernel. For now that seems to work, but the crashes are random so it could happen any time again. The idea is that these kernels are completely spectre& meltdown unaware and might cause trouble in Xen kernel support. I am not sure if this is true at all, but we are pretty lost what the actual cause is.

We also tested with CentOS and we also had these crashes there with certain combinations of kernel/Xen. The most recent updates seem to be more stable tough. The most frustrating part is the there is absolutely no logs to be found. No kernel oops or what.. the server just resets and boots again.

Are there others experiencing problems like this? Do you see more frequent server/kernel crashes on production servers?=C2=A0=C2=A0=

Best regards,
=C2=A0
Roalt Zijlstra

 

____________________=
___________________________
Xen-users mailing list
Xen-users@lists.xenproject.=
org
https://list=
s.xenproject.org/mailman/listinfo/xen-users
--00000000000004ff97057973fdec-- --===============6188007466570546231== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============6188007466570546231==-- From xen-users-bounces@lists.xenproject.org Tue Oct 30 17:47:45 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 30 Oct 2018 17:47:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHY6D-0007do-C6; Tue, 30 Oct 2018 17:46:41 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHY6C-0007dj-PW for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 17:46:40 +0000 X-Inumbo-ID: bf7bca7c-dc6b-11e8-969a-12d6303a7972 Received: from chub.in (unknown [5.9.243.177]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id bf7bca7c-dc6b-11e8-969a-12d6303a7972; Tue, 30 Oct 2018 17:46:38 +0000 (UTC) Received: from chub.in (localhost [127.0.0.1]) by chub.in (8.15.2/8.15.2/Debian-4) with ESMTP id w9UHkaNc030242 for ; Tue, 30 Oct 2018 19:46:36 +0200 Received: (from igor@localhost) by chub.in (8.15.2/8.15.2/Submit) id w9UHkZ33030241 for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 19:46:35 +0200 Date: Tue, 30 Oct 2018 19:46:35 +0200 From: Igor Chubin To: xen-users@lists.xenproject.org Message-ID: <20181030174635.GR24475@chub.in> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) Subject: [Xen-users] Xen in AWS instances X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: Igor Chubin Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" CgpIaSBhbGwsCgpJIHdhcyBhbiBhY3RpdmUgWGVuIHVzZXIgaW4gMjAxMC0yMDEyLCBidXQgYWZ0 ZXIgdGhhdCBJIGhhZCBub3Qgc28KbXVjaCBvcHBvcnR1bml0aWVzIG9mIHVzaW5nIGl0LCBhbmQg SSBwcm9iYWJseSBtaXNzZWQgdGhlIG1vc3QKaW1wb3J0YW50IGFkdmFuY2VzIG1hZGUgaW4gdGhl IGxhc3QgeWVhcnMuCgpJIHNraW1tZWQgdGhyb3VnaCB0aGUgbGlzdCBhcmNoaXZlIGJ1dCBJIGRp ZCBub3QgbWFuYWdlIHRvCmZpbmQgYW55IGluZm9ybWF0aW9uIHJlZ2FyZGluZyBteSBxdWVzdGlv bi4KQW5kIHRoZSBxdWVzdGlvbiBpczogcnVubmluZyBYZW4gKGRvbTApIGluIElhYVMgaW5zdGFu Y2VzLAphbmQgcGFydGljdWxhcmx5IGluIEFXUy4KClN0cmFuZ2UgZW5vdWdoLCBidXQgSSBkaWQg bm90IGZpbmQgYW55IGluZm9ybWF0aW9uIGFib3V0IHJ1bm5pbmcKWGVuIGluIEFXUyBJbnN0YW5j ZXMgKEkgbWVhbiBuZWl0aGVyIHBvc2l0aXZlLCBub3IgbmVnYXRpdmUpLgoKT2YgY291cnNlIEkg a25ldyB0aGF0IGl0IGlzIG5vdCBvZmZpY2lhbGx5IHN1cHBvcnRlZCwKYnV0IEkgdGhvdWdoIHRo YXQgZG9tMCArIFBWIGRvbWFpbnMgc2hvdWxkIHRoZW9yZXRpY2FsbHkKcnVuIGluIGEgSFZNIGlu c3RhbmNlIG9mIGFueSBJYWFTIENsb3VkLgpTbyBJIHN0YXJ0ZWQgZXhwZXJpbWVudGluZyB3aXRo IGl0LgoKCkkgbWFuYWdlZCB0byBzdGFydCBhIEFXUyBpbnN0YW5jZSB3aXRoIFhlbiBEb21haW4g MCBhbmQgYSBjb3VwbGUgb2YKZG9tYWlucyBVIChvZiBjb3Vyc2UsIG9ubHkgUFYsIG5vdCBIVk0p IHJ1bm5pbmcgaW5zaWRlLgoKSSB0ZXN0ZWQgc2V2ZXJhbCBpbWFnZXMgYW5kIHRoZSBvbmx5IG9u ZSB0aGF0IHJhbiBvdXQgb2YgdGhlIGJveCB3YXMKdGhlIERlYmlhbiA5IGltYWdlLgoKT3RoZXIg aW1hZ2VzIHdlcmUgY3Jhc2hpbmcgYXMgc29vbiBhcyBJIHRyaWVkIHRvIHN0YXJ0IGEgZG9tYWlu IFUuCgpXaXRoIHRoZSBEZWJpYW4gOSBpbWFnZSBJIGhhZCBhbm90aGVyIHByb2JsZW06CgpJIGNv dWxkIG5vdCBzZWUgYW55IGF0dGFjaGVkIGJsb2NrIGRldmljZXMsIHRoYXQgSSBhdHRhY2hlZCB0 byB0aGUKaW5zdGFuY2UuIEV2ZW4gYWZ0ZXIgcmVib290LCB0aGV5IHdlcmUgbm90IHRoZXJlLgpX aGUgSSBzd2l0Y2hlZCB0aGUga2VybmVsIGFuZCBib290ZWQgdGhlIGluc3RhbmNlIHdpdGggYSBu b3JtYWwKTGludXgga2VybmVsICh3aXRob3V0IFhlbiksIEkgY291bGQgc2VlIHRoZW0uCgoKSSBh bHNvIHRyaWVkIHRvIHVzZSBpMy5tZXRhbCAoYmFyZSBtZXRhbCkgaW5zdGFuY2VzCmJ0IHdpdGhv dXQgYW55IHN1Y2Nlc3MgYXQgYWxsIChkaWQgbm90IG1hbmFnZSB0byBzdGFydCBldmVuIGRvbTAp LgoKCgpOb3cgbXkgcXVlc3Rpb25zOgoKMS4gSXMgaXQgYSBnb29kIGlkZWEgdG8gc3RhcnQgWGVu IGluc2lkZSBBV1MgRUMyIGluc3RhbmNlcz8KCjIuIFdoYXQgY29tYmluYXRpb24gb2YgWGVuL0xp bnV4IGtlcm5lbC9MaW51eCBkaXN0cmlidXRpb24KY291bGQgYmUgdGhlIGJlc3Qgb25lIGZvciBz dWNoIGV4cGVyaW1lbnRzPwoKMy4gV2h5IEkgZGlkbid0IHNlZSBhbnkgYWRkaXRpb25hbCBibG9j ayBkZXZpY2VzIGluIERvbTA/CklzIGl0IGEga25vd24gcHJvYmxlbT8gT3IgaXMgaXQgYSBwZWN1 bGlhcml0eSBvZiBteSBjb25maWd1cmF0aW9uPwoKNC4gU2hvdWxkIFhlbiBEb21haW4gMCB3b3Jr IG9uIGkzLm1ldGFsIEFXUyBpbnN0YW5jZXM/CgoKQW5kIG9uZSBnZW5lcmFsIHF1ZXN0aW9uOgoK SSBrbm93biB0aGF0IE1TIEF6dXJlIGFuZCBHQ1Agb2ZmaWNpYWxseSBzdXBwb3J0IG5lc3RlZAp2 aXJ0dWFsaXphdGlvbiAoZmlyc3Qgb2YgYWxsIEtWTSkuIEJ1dCB3aGF0IGFib3V0IFhlbj8KV2hh dCBjbG91ZCBjb3VsZCBiZSB0aGUgYmVzdCBjaG9pY2UgZm9yIHN0YXJ0aW5nIGEgWGVuIGRvbWFp biAwCnRoZXJlPwoKClRoYW5rIHlvdSB2ZXJ5IG11Y2ggaW4gYWR2YW5jZSwKCi0tIApJZ29yIENo dWJpbgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhl bi11c2VycyBtYWlsaW5nIGxpc3QKWGVuLXVzZXJzQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBz Oi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tdXNlcnM= From xen-users-bounces@lists.xenproject.org Tue Oct 30 19:47:12 2018 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 30 Oct 2018 19:47:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHZxp-0002mc-Bm; Tue, 30 Oct 2018 19:46:09 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gHXat-00049K-Sx for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 17:14:19 +0000 X-Inumbo-ID: 3b521e53-dc67-11e8-87d6-bc764e045a96 Received: from chub.in (unknown [5.9.243.177]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 3b521e53-dc67-11e8-87d6-bc764e045a96; Tue, 30 Oct 2018 17:14:17 +0000 (UTC) Received: from chub.in (localhost [127.0.0.1]) by chub.in (8.15.2/8.15.2/Debian-4) with ESMTP id w9UGuQV6029755 for ; Tue, 30 Oct 2018 18:56:26 +0200 Received: (from igor@localhost) by chub.in (8.15.2/8.15.2/Submit) id w9UGuPY8029754 for xen-users@lists.xenproject.org; Tue, 30 Oct 2018 18:56:25 +0200 Date: Tue, 30 Oct 2018 18:56:25 +0200 From: Igor Chubin To: xen-users@lists.xenproject.org Message-ID: <20181030165625.GQ24475@chub.in> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) X-Mailman-Approved-At: Tue, 30 Oct 2018 19:46:08 +0000 Subject: [Xen-users] Xen in AWS instances X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: Igor Chubin Content-Type: text/plain; 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banners=-,-,- X-VirusChecked: Checked Received: (qmail 5759 invoked from network); 30 Oct 2018 23:42:51 -0000 Received: from n5.nabble.com (HELO n5.nabble.com) (162.253.133.81) by server-24.tower-284.messagelabs.com with SMTP; 30 Oct 2018 23:42:51 -0000 Received: from n5.nabble.com (localhost [127.0.0.1]) by n5.nabble.com (Postfix) with ESMTP id 69F419885E21 for ; Tue, 30 Oct 2018 16:42:50 -0700 (MST) Date: Tue, 30 Oct 2018 16:42:50 -0700 (MST) From: MateoConLechuga To: xen-users@lists.xensource.com Message-ID: <1540942970431-0.post@n5.nabble.com> In-Reply-To: References: <97265b32-77dd-9a98-b30b-5ead5ebc1aeb@knorrie.org> <04d9cdaf-8503-00e2-e5b5-bc0374f4088f@knorrie.org> <5e62bb5e-1857-a61c-4e41-0e953630a45d@citrix.com> <776e7538-7564-6973-c51e-09fef176ba61@knorrie.org> <7f6e244b-dc93-ade7-3cda-33aea3cceba6@knorrie.org> <944c7710-f667-51aa-996d-ea115e7c1588@citrix.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 31 Oct 2018 14:55:34 +0000 Subject: Re: [Xen-users] "Booted on L1TF-vulnerable hardware with SMT/Hyperthreading enabled" .. or not? X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SSBoYXZlIGJlZW4gaGF2aW5nIHRoZSBzYW1lIGlzc3VlIHVzaW5nIHN0YWJsZS00LjExLiBBbnkg Y2hhbmNlIHRoaXMgaGFzIGJlZW4KZml4ZWQ/CgoKCi0tClNlbnQgZnJvbTogaHR0cDovL3hlbi4x MDQ1NzEyLm41Lm5hYmJsZS5jb20vWGVuLVVzZXItZjI1NTEwODMuaHRtbAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJzIG1haWxpbmcgbGlz dApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw==