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[Federico Tello Gentile <1215513@xxxxxxxxxxxxxxxxxx>]

I also see that log messages on raring 64 bits, but no locks so far
since yesterday.

Sep 17 10:24:22 fede-desktop kernel: [   24.899285] zram: module is from the staging directory, the quality is unknown, you have been warned.
Sep 17 10:24:22 fede-desktop kernel: [   24.899922] zram: Creating 2 devices ...
Sep 17 10:24:22 fede-desktop kernel: [   25.185351] quiet_error: 42 callbacks suppressed
Sep 17 10:24:22 fede-desktop kernel: [   25.185358] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185364] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185448] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185454] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185460] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185466] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185472] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185556] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185563] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:22 fede-desktop kernel: [   25.185576] Buffer I/O error on device zram0, logical block 192016
Sep 17 10:24:23 fede-desktop kernel: [   25.237044] Adding 768064k swap on /dev/zram0.  Priority:5 extents:1 across:768064k SS
Sep 17 10:24:23 fede-desktop kernel: [   25.247694] Adding 768064k swap on /dev/zram1.  Priority:5 extents:1 across:768064k SS

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https://bugs.launchpad.net/bugs/1215513

Title:
  System locks up, requires hard reset

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Precise:
  Fix Committed
Status in “linux” source package in Quantal:
  Fix Committed
Status in “linux” source package in Raring:
  Fix Committed
Status in “linux” source package in Saucy:
  Fix Released

Bug description:
  Since I started using 3.8.0-29 I experienced system lock ups at random
  times. First one was while running Virtualbox (windows guest) but
  later have been without virtualbox running for example while shutting
  down or while reading a webpage.

  I could not find any relevant log, but I'd post any log file
  considered useful.

  This has hapened in 2 different machines (the one im reporting from is
  intel with intel graphics and the other is AMD with radeon graphics).
  Both 64 bits.

  Up until 3.8.0-27 inclusive I had not had a lockup in years in any of
  those machines. I have been running Ubuntu 64 bit since at least 2008
  in one of them.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-29-generic 3.8.0-29.42
  ProcVersionSignature: Ubuntu 3.8.0-29.42-generic 3.8.13.5
  Uname: Linux 3.8.0-29-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  fede       1829 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  CurrentDmesg:
   
  Date: Thu Aug 22 12:49:35 2013
  HibernationDevice: RESUME=UUID=ee5b2280-eed3-41e2-8675-103fbdd703d1
  InstallationDate: Installed on 2012-12-03 (261 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-29-generic root=UUID=0d34a8a5-2002-47e8-9128-a35623612ec1 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-29-generic N/A
   linux-backports-modules-3.8.0-29-generic  N/A
   linux-firmware                            1.106
  RfKill:
   
  SourcePackage: linux
  StagingDrivers: zram
  UpgradeStatus: Upgraded to raring on 2013-04-25 (118 days ago)
  dmi.bios.date: 09/11/2006
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: TS94610J.86A.0047.2006.0911.0110
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: D946GZIS
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAD66165-501
  dmi.chassis.type: 2
  dmi.modalias: dmi:bvnIntelCorp.:bvrTS94610J.86A.0047.2006.0911.0110:bd09/11/2006:svn:pn:pvr:rvnIntelCorporation:rnD946GZIS:rvrAAD66165-501:cvn:ct2:cvr:

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