[Qemu-devel] [Bug 977391] Re: BUG: soft lockup - CPU#8 stuck for 61s! [kvm:*] in lucid

From: "Christopher M. Penalver" <christopher.m.penalver@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [Bug 977391] Re: BUG: soft lockup - CPU#8 stuck for 61s! [kvm:*] in	lucid
Date: Mon, 02 Sep 2013 13:58:33 -0000	[thread overview]
Message-ID: <20130902135834.30404.69760.malone@gac.canonical.com> (raw)
In-Reply-To: 20120409175510.18682.56652.malonedeb@wampee.canonical.com

Rahul, this bug was reported a while ago and there hasn't been any
activity in it recently. We were wondering if this is still an issue? If
so, could you please test for this with the latest server release of
Ubuntu? ISO images are available from http://releases.ubuntu.com/raring/
.

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Please do not test the daily folder, but the one all the way at the bottom. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.11-rc7

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Tags added: needs-kernel-logs needs-upstream-testing

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/977391

Title:
  BUG: soft lockup - CPU#8 stuck for 61s! [kvm:*]   in lucid

Status in QEMU:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete
Status in “qemu-kvm” package in Ubuntu:
  Confirmed

Bug description:
  Two days back  my KVM base machine got hung up all of a sudden.
  Not sure what exactly happened.

  cat /proc/version_signature 
  Ubuntu 2.6.32-28.55-server 2.6.32.27+drm33.12

  -Rahul N.

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