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[Launchpad Bug Tracker <994155@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/994155

Title:
  system freezes with purple screen instead of lightdm been shown

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  system once freezes with purple screen instead of lightdm been shown
  and i have to hold "power" button

  12.04, 3.2.0-24-generic amd64

  a meaningful (?) part of dmesg (full dmesg attached):

  [   19.371084] i915 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
  [   19.371087] i915 0000:00:02.0: setting latency timer to 64
  [   19.401645] i915 0000:00:02.0: irq 44 for MSI/MSI-X
  [   19.401651] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
  [   19.401652] [drm] Driver supports precise vblank timestamp query.
  [   19.532296] [drm:pch_irq_handler] *ERROR* PCH poison interrupt
  [   19.628467] Console: switching to colour frame buffer device 128x48
  [   19.628478] fb0: inteldrmfb frame buffer device
  [   19.628479] drm: registered panic notifier
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jumper     2524 F.... pulseaudio
   /dev/snd/controlC0:  jumper     2524 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xfbff8000 irq 42'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:10ec0889,1458a002,00100004 HDA:80862805,80860101,00100000'
     Controls      : 48
     Simple ctrls  : 23
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xf9ffc000 irq 17'
     Mixer name	: 'Nvidia GPU 16 HDMI/DP'
     Components	: 'HDA:10de0016,10de0101,00100100'
     Controls      : 24
     Simple ctrls  : 4
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=3c40caea-bdf7-45da-8612-cf62b9ffc91e
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 003: ID 0458:006a KYE Systems Corp. (Mouse Systems)
  MachineType: Gigabyte Technology Co., Ltd. Z68P-DS3
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic root=UUID=30973da6-16ae-4f74-984e-b932c42dd84c ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-24-generic N/A
   linux-backports-modules-3.2.0-24-generic  N/A
   linux-firmware                            1.79
  RfKill:
   
  SourcePackage: linux
  StagingDrivers: mei
  Tags:  precise staging precise staging
  Uname: Linux 3.2.0-24-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-04-27 (6 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  WifiSyslog:
   
  dmi.bios.date: 06/16/2011
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F3
  dmi.board.name: Z68P-DS3
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF3:bd06/16/2011:svnGigabyteTechnologyCo.,Ltd.:pnZ68P-DS3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnZ68P-DS3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: Z68P-DS3
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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