From: Stefan Bader <stefan.bader@canonical.com>
To: Fantu <fantonifabio@tiscali.it>
Cc: xen-devel@lists.xensource.com
Subject: Re: Unable to start Precise domU PV on xen-unstable with xl
Date: Mon, 13 Feb 2012 15:53:10 +0100 [thread overview]
Message-ID: <4F3923D6.2000502@canonical.com> (raw)
In-Reply-To: <1329143937594-5479428.post@n5.nabble.com>
On 13.02.2012 15:38, Fantu wrote:
> I have create PRECISE domU PV on production system with Squeeze, Xen 4.0 and
> using xm, the "only problem" is occasional critical on disk:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/913760
>
As I tried to you in that bug, the problem is likely the code used in the host
(Debian/Xen 4.0). It will offer the barrier method to do syncs and there has
been a problem with empty barrier requests which also has a fix
# HG changeset patch
From: Jan Beulich <jbeulich@novell.com>
# Date 1306409621 -3600
# Node ID 876a5aaac0264cf38cae6581e5714b93ec380aaa
# Parent aedb712c05cf065e943e15d0f38597c2e80f7982
Subject: xen/blkback: don't fail empty barrier requests
But that needs to be applied to the dom0.
> Copying the domU on test server not start, seem to be malconfiguration of
> grub but it isn't (tried grub1 minimal working on production system and its
> grub2 full)
>
> Dom0 is Squeeze 6.0.4 64 bit with kernel 2.6.32-5-xen-amd64 version
> 2.6.32-41, xen from xen-unstable.hg changeset 24709:8ba7ae0b070b
>
> DomU is Precise created today:
> http://archive.ubuntu.com/ubuntu/dists/precise/main/installer-amd64/current/images/netboot/xen/
>
> DomU xl configuration files:
> --------------------------------------------------
> name='PRECISE'
> memory=1024
> vcpus=2
> disk=['/mnt/vm/disks/PRECISE.disk1.xm,raw,xvda1,rw',
> '/mnt/vm/disks/PRECISE.disk2.xm,raw,xvda2,rw']
> vif=['bridge=xenbr0']
> vfb=['vnc=1,vncunused=1,vnclisten=0.0.0.0,keymap=it']
> bootloader='/usr/bin/pygrub'
> --------------------------------------------------
>
> And the full screen log on this attachment:
> http://xen.1045712.n5.nabble.com/file/n5479428/PRECISE.txt PRECISE.txt
>
You boot looks like it does not find any filesystem (or at least no uuid in
xvda1. Have you checked the disk image with blkid?
-Stefan
> If you need more test and data ask me and I do and post.
>
> Thanks for any reply and sorry for bad english.
>
>
> --
> View this message in context: http://xen.1045712.n5.nabble.com/Unable-to-start-Precise-domU-PV-on-xen-unstable-with-xl-tp5479428p5479428.html
> Sent from the Xen - Dev mailing list archive at Nabble.com.
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
next prev parent reply other threads:[~2012-02-13 14:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-13 14:38 Unable to start Precise domU PV on xen-unstable with xl Fantu
2012-02-13 14:53 ` Stefan Bader [this message]
2012-02-13 15:13 ` Fantu
2012-02-13 15:41 ` Stefan Bader
2012-02-14 9:19 ` Fantu
2012-02-14 11:16 ` Stefan Bader
2012-02-14 9:21 ` Fantu
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