** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/908638

Title:
  Random freezes on Lenovo w520

Status in linux package in Ubuntu:
  Expired

Bug description:
  I have some trouble with my thinkpad w520 (nvidia 2000m proprietary driver). 
With default kernel options i got random freezes. In case i append "pci=noacpi" 
everything seems to work so far. 
  I think it happens more often in case my notebooks got lots of work to do. 
Does anybody know what's wrong?

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-generic 3.0.0.14.16
  ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
  Uname: Linux 3.0.0-14-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  christoph   2887 F.... pulseaudio
   /dev/snd/controlC1:  christoph   2887 F.... pulseaudio
   /dev/snd/controlC0:  christoph   2887 F.... pulseaudio
  CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xd8320000 irq 27'
     Mixer name : 'Conexant CX20590'
     Components : 'HDA:14f1506e,17aa21cf,00100000'
     Controls      : 16
     Simple ctrls  : 10
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xd6000000 irq 11'
     Mixer name : 'Nvidia GPU 11 HDMI/DP'
     Components : 'HDA:10de0011,10de0101,00100100'
     Controls      : 16
     Simple ctrls  : 4
  Card2.Amixer.info:
   Card hw:2 'Headset'/'Creative Technology Creative USB Headset at 
usb-0000:00:1a.0-1.5.3, full speed'
     Mixer name : 'USB Mixer'
     Components : 'USB041e:0400'
     Controls      : 4
     Simple ctrls  : 2
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
unknown'
     Mixer name : 'ThinkPad EC (unknown)'
     Components : ''
     Controls      : 1
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Mon Dec 26 01:08:18 2011
  HibernationDevice: RESUME=UUID=3be7c155-9c1e-4591-ad02-ced9001c8176
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: LENOVO 428449G
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-14-generic 
root=UUID=996921a8-04c0-41f8-813b-5ff5a0447897 ro 
crashkernel=384M-2G:64M,2G-:128M pci=noacpi
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-14-generic N/A
   linux-backports-modules-3.0.0-14-generic  N/A
   linux-firmware                            1.60
  RfKill:
   0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/02/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8BET54WW (1.34 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 428449G
  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:bvr8BET54WW(1.34):bd11/02/2011:svnLENOVO:pn428449G:pvrThinkPadW520:rvnLENOVO:rn428449G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 428449G
  dmi.product.version: ThinkPad W520
  dmi.sys.vendor: LENOVO

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