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[Launchpad Bug Tracker <919815@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/919815

Title:
  168c:002b Ubuntu freeze on battery after power on/off - blacklisting
  ath9k stops freeze

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Installing Ubuntu on an Aspire 7250 looks good. But after power off
  the machine and restart it on battery only the screen freeze
  completely.

  Switching off the machine and restart with plugged power remain still
  the same issue. Machine freeze again and it is not on battery!

  WORKAROUND: sudo gedit /etc/modprobe.d/blacklist.conf

  and add:

  blacklist ath9k

  save this and then run:

  sudo update-initramfs -u -k all

  and reboot

  WORKAROUND: set "Boot from LAN" to first in the BIOS.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: xorg 1:7.6+7ubuntu7
  ProcVersionSignature: Ubuntu 3.2.0-10.17-generic 3.2.1
  Uname: Linux 3.2.0-10-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 1.91-0ubuntu1
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,compiztoolbox,regex,grid,place,vpswitch,imgpng,gnomecompat,animation,snap,session,move,resize,mousepoll,expo,wall,ezoom,workarounds,fade,scale,unityshell]
  CompositorRunning: compiz
  Date: Sat Jan 21 21:54:11 2012
  DistUpgraded: Fresh install
  DistroCodename: precise
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
  GraphicsCard:
   ATI Technologies Inc Wrestler [Radeon HD 6310] [1002:9802] (prog-if 00 [VGA controller])
     Subsystem: Acer Incorporated [ALI] Device [1025:0614]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120121)
  MachineType: Acer Aspire 7250
  ProcEnviron:
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-10-generic root=UUID=8e9b3c9a-b40b-4741-a213-924647e8bec3 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/02/2011
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: V1.10
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: HMA71_BZ
  dmi.board.vendor: Acer
  dmi.board.version: Base Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvrV1.10:bd11/02/2011:svnAcer:pnAspire7250:pvrV1.10:rvnAcer:rnHMA71_BZ:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Aspire 7250
  dmi.product.version: V1.10
  dmi.sys.vendor: Acer
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu8
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.30-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu4
  version.xserver-xorg-core: xserver-xorg-core 2:1.10.4-1ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1

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