xen-devel.lists.xenproject.org archive mirror
 help / color / mirror / Atom feed
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

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4F3923D6.2000502@canonical.com \
    --to=stefan.bader@canonical.com \
    --cc=fantonifabio@tiscali.it \
    --cc=xen-devel@lists.xensource.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).