[Bug 777212] Re: [Lenovo L420/L520] System boots to garbled display

[Chris Halse Rogers]

SRU team ping: this is blocking an unrelated fix that would otherwise be
moving to -updates.

Marc: Could you please confirm that this is still broken on your L420
without an xorg.conf?

Failing that, perhaps this should proceed through for the L520 fix and
the L420 could be split off as a separate bug.

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https://bugs.launchpad.net/bugs/777212

Title:
  [Lenovo L420/L520] System boots to garbled display

Status in “grub-gfxpayload-lists” package in Ubuntu:
  Invalid
Status in “linux” package in Ubuntu:
  Fix Released
Status in “grub-gfxpayload-lists” source package in Natty:
  Fix Committed
Status in “linux” source package in Natty:
  Won't Fix

Bug description:
  When booting to the desktop, vertical lines will be shown instead of
  the login screen or desktop. This can be solved by removing splash and
  quiet from the kernel parameters and adding xforcevesa and nomodeset
  in their place.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: linux-image-2.6.38-8-generic 2.6.38-8.42
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1421 F.... pulseaudio
   /dev/snd/pcmC0D0p:   ubuntu     1421 F...m pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf0900000 irq 44'
     Mixer name	: 'Intel CougarPoint HDMI'
     Components	: 'HDA:10ec0269,17aa21de,00100100 HDA:80862805,80860101,00100000'
     Controls      : 23
     Simple ctrls  : 10
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 8GHT20WW-1.162000'
     Mixer name	: 'ThinkPad EC 8GHT20WW-1.162000'
     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: Wed May  4 12:04:08 2011
  HibernationDevice: RESUME=UUID=ffc3236e-8f36-4a66-9d5e-178a06359387
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  MachineType: LENOVO 782723U
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=9e7b9e2b-23f6-4b9f-aed1-9ec00cf534bc ro xforcevesa nomodeset initcall_debug vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-2.6.38-8-generic N/A
   linux-backports-modules-2.6.38-8-generic  N/A
   linux-firmware                            1.52
  SourcePackage: linux
  StagingDrivers: rts_pstor
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/09/2011
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8GET28WW (1.05 )
  dmi.board.name: 782723U
  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:bvr8GET28WW(1.05):bd02/09/2011:svnLENOVO:pn782723U:pvrThinkPadL412:rvnLENOVO:rn782723U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 782723U
  dmi.product.version: ThinkPad L412
  dmi.sys.vendor: LENOVO

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