[Bug 1180896] [NEW] watchdog hang on shutdown

[lyn james]

Public bug reported:

Only occurs when using kernels 3.2.0-38-generic or above, and when virtualbox modules are loaded at shutdown time.
shutdown -r & -h both hang, but not always. I'd say it was intermittent,but this description seems to be deprecated.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.11
ProcVersionSignature: Ubuntu 3.2.0-43.68-generic 3.2.42
Uname: Linux 3.2.0-43-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu17.2
Architecture: amd64
Date: Thu May 16 17:14:54 2013
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2012-09-28 (230 days ago)

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise running-unity

** Attachment added: "Photo of screen when hang occurs"
   https://bugs.launchpad.net/bugs/1180896/+attachment/3678431/+files/20130516_124947.jpg

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https://bugs.launchpad.net/bugs/1180896

Title:
  watchdog hang on shutdown

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  Only occurs when using kernels 3.2.0-38-generic or above, and when virtualbox modules are loaded at shutdown time.
  shutdown -r & -h both hang, but not always. I'd say it was intermittent,but this description seems to be deprecated.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.11
  ProcVersionSignature: Ubuntu 3.2.0-43.68-generic 3.2.42
  Uname: Linux 3.2.0-43-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.0.1-0ubuntu17.2
  Architecture: amd64
  Date: Thu May 16 17:14:54 2013
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2012-09-28 (230 days ago)

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