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[Gregory Stewart <gstewart@xxxxxxx>]

After dropping back to 3.8.0-27, reinstalling nvidia-310 and repairing
Unity, the error happened again. One of the Windows VMs loses its
network connection. When I attempt to shut the VM down (from within
Windows Server 2012), it freezes during shutdown. I am then unable to
stop the VM, not even with Force Stop.

I have since dropped back to 3.8.0-23. No errors so far after 23 hours
uptime, but it might not have been long enough.

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https://bugs.launchpad.net/bugs/1208532

Title:
  put_page failures with 3.8.0-27.40

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Since update to 3.8.0-27.40 kernel I have been seeing these errors on
  an almost daily basis. I run two Windows Server 2012 instances under
  KVM. One or both of the Windows instances will disconnect from the
  network when this error happens and will not reconnect until I reboot
  Windows. Linux seems to recover silently on its own.

  Running on an HP Z600 Workstation with ECC RAM (memory issue is very
  unlikely). Scanned the boot/swap HDD for errors with Seagate SeaTools,
  no issues found.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-27-generic 3.8.0-27.40
  ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
  Uname: Linux 3.8.0-27-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  greg       3352 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Date: Mon Aug  5 09:44:31 2013
  HibernationDevice: RESUME=UUID=94c635e6-8245-4fe1-8c93-432c8d10dbd1
  InstallationDate: Installed on 2012-02-14 (538 days ago)
  InstallationMedia: Ubuntu-Server 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
  MachineType: Hewlett-Packard HP Z600 Workstation
  MarkForUpload: True
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-27-generic root=/dev/mapper/mizuno-root ro
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-27-generic N/A
   linux-backports-modules-3.8.0-27-generic  N/A
   linux-firmware                            1.106
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to raring on 2013-04-25 (101 days ago)
  dmi.bios.date: 11/02/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786G4 v03.54
  dmi.board.asset.tag: 2UA00605JK
  dmi.board.name: 0AE8h
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: C
  dmi.chassis.asset.tag: 2UA00605JK
  dmi.chassis.type: 6
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786G4v03.54:bd11/02/2011:svnHewlett-Packard:pnHPZ600Workstation:pvr:rvnHewlett-Packard:rn0AE8h:rvrC:cvnHewlett-Packard:ct6:cvr:
  dmi.product.name: HP Z600 Workstation
  dmi.sys.vendor: Hewlett-Packard

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