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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Package changed: linux (Ubuntu) => xorg (Ubuntu)

** Changed in: xorg (Ubuntu)
       Status: Incomplete => New

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https://bugs.launchpad.net/bugs/1223055

Title:
  System Hangs With Kernel Migration Processes Consuming 100% CPU

Status in “xorg” package in Ubuntu:
  New

Bug description:
  Once or twice a week, the system becomes non-responsive, with the
  mouse cursor tracking mouse movement but no keyboard response. Until
  today I would resort to using the kernel magic keys to reboot the
  system (R-E-I-S-U-B). Today I remotely logged in from another machine
  on the LAN and discovered that not only was the kernel alive and all
  processes running, but that the "migration/0" and "migration/1"
  processes were consuming 50% of the CPU each, as reported by top(1). I
  suspect this is why the system becomes non-responsive.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-generic 3.2.0.53.63
  ProcVersionSignature: Ubuntu 3.2.0-53.81-generic 3.2.50
  Uname: Linux 3.2.0-53-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  andy       2195 F.... pulseaudio
   /dev/snd/controlC0:  andy       2195 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xee400000 irq 47'
     Mixer name	: 'Analog Devices AD1981'
     Components	: 'HDA:11d41981,17aa2025,00100200'
     Controls      : 21
     Simple ctrls  : 12
  Card1.Amixer.info:
   Card hw:1 'U0x46d0x804'/'USB Device 0x46d:0x804 at usb-0000:00:1d.7-6.2.2, high speed'
     Mixer name	: 'USB Mixer'
     Components	: 'USB046d:0804'
     Controls      : 2
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'Mic',0
     Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
     Capture channels: Mono
     Limits: Capture 0 - 6144
     Mono: Capture 4608 [75%] [24.00dB] [on]
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 79HT50WW-1.07'
     Mixer name	: 'ThinkPad EC 79HT50WW-1.07'
     Components	: ''
     Controls      : 2
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
     Playback channels: Mono
     Limits: Playback 0 - 14
     Mono: Playback 7 [50%] [on]
  Date: Mon Sep  9 16:56:22 2013
  HibernationDevice: RESUME=UUID=5301c707-e227-46f3-8b49-a319582091a4
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  MachineType: LENOVO 8743CTO
  MarkForUpload: True
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-53-generic root=UUID=a9ba509e-76a3-4c03-b898-0409f24233eb ro quiet splash nomodeset vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-53-generic N/A
   linux-backports-modules-3.2.0-53-generic  N/A
   linux-firmware                            1.79.6
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/05/2008
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7IET32WW (1.13 )
  dmi.board.name: 8743CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr7IET32WW(1.13):bd02/05/2008:svnLENOVO:pn8743CTO:pvrThinkPadT60:rvnLENOVO:rn8743CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 8743CTO
  dmi.product.version: ThinkPad T60
  dmi.sys.vendor: LENOVO

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