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[Launchpad Bug Tracker <1193407@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/1193407

Title:
  Kernel 3.5.0-34 update breaks Thinkpad X30 - freeze on X startup

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  * Thinkpad X30, 1G RAM
  * Ubuntu desktop i386 installed from 12.04.2 CD
  * Initial install with 3.5.0-23 kernel is fine
  * After full upgrade, machine fails to boot, locks up at the time X starts (see below)
  * Rebooting with 3.5.0-23 kernel is fine
  * A binary chop shows that 3.5.0-32 kernel is fine (which is what I'm submitting this with), but 3.5.0-34 kernel is still broken

  Symptom: when graphics is starting, the machine freezes. The display
  shows a bizarre gradual increase in brightness to green, fading to
  purple, and back out again. It looks something like a nebula. Pretty,
  but useless. The only way to get out is to hold down the power button
  for 4 seconds. At this point, sometimes I can't even restart the
  machine without removing the battery and the external power for a few
  seconds.

  I am unable to get an X log. If I boot into "recovery mode" and then
  select "failsafeX" it locks up in the same way. When I reboot into
  recovery mode again and check /var/log/Xorg.0.log, it has not changed
  (it's still from the time I booted with a working 3.5.0-32 kernel)

  I tried my previous Thinkpad workarounds of
      i915.modeset=0
      intelfb.blacklist=1
  but these don't fix the problem (however with i915.modeset=0 the machine does continue to boot, and I can get into it using ssh)

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-34-generic 3.5.0-34.55~precise1
  ProcVersionSignature: Ubuntu 3.5.0-32.53~precise1-generic 3.5.7.11
  Uname: Linux 3.5.0-32-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: I82801CAICH3 [Intel 82801CA-ICH3], device 0: Intel ICH [Intel 82801CA-ICH3]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  ApportVersion: 2.0.1-0ubuntu17.3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  hazel      1429 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'I82801CAICH3'/'Intel 82801CA-ICH3 with AD1981A at irq 11'
     Mixer name	: 'Analog Devices AD1981A'
     Components	: 'AC97a:41445372'
     Controls      : 25
     Simple ctrls  : 17
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
     Mixer name	: 'ThinkPad EC (unknown)'
     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: Fri Jun 21 16:42:22 2013
  HibernationDevice: RESUME=UUID=c621e470-9f8d-42d5-8197-2c3489de5b77
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 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
  MachineType: IBM 267241G
  MarkForUpload: True
  PccardctlIdent:
   Socket 0:
     no product info available
   Socket 1:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
   Socket 1:
     no card
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-32-generic root=UUID=c83f9b32-d6dc-4758-b4db-187dd57660f6 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-32-generic N/A
   linux-backports-modules-3.5.0-32-generic  N/A
   linux-firmware                            1.79.4
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/30/2003
  dmi.bios.vendor: IBM
  dmi.bios.version: 1KET44WW (1.05 )
  dmi.board.name: 267241G
  dmi.board.vendor: IBM
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: IBM
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnIBM:bvr1KET44WW(1.05):bd05/30/2003:svnIBM:pn267241G:pvrNotAvailable:rvnIBM:rn267241G:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 267241G
  dmi.product.version: Not Available
  dmi.sys.vendor: IBM

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