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[Blindekinder <1080308@xxxxxxxxxxxxxxxxxx>]

Still an issue for me on 12.04 64bit/ 3.2.0-55.
Doesn't happens when nvidia proprietary drivers are installed.

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https://bugs.launchpad.net/bugs/1080308

Title:
  [Lenovo IdeaPad Y560p] Micro freezes without noapic

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  I have a Lenovo ideapad Y560p laptop. It is freezing always in micro
  times.

  WORKAROUND: When I add "noapic nolapic" on grub, theese freezes are
  disappearing. But the first CPU core always 100%.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-18-generic 3.5.0-18.29
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  muhammed   4027 F.... pulseaudio
   /dev/snd/controlC0:  muhammed   4027 F.... pulseaudio
  Date: Sun Nov 18 12:55:52 2012
  HibernationDevice: RESUME=UUID=94297800-4e8e-442b-aa03-afe4303ce50e
  InstallationDate: Installed on 2012-07-18 (123 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  MachineType: LENOVO IdeaPad Y560p
  MarkForUpload: True
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic root=UUID=40951847-faf8-47f0-906e-a43e1accfe5e ro noapic elevator=deadline
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-18-generic N/A
   linux-backports-modules-3.5.0-18-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: Upgraded to quantal on 2012-10-18 (30 days ago)
  dmi.bios.date: 01/12/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 3FCN21WW
  dmi.board.name: KL3
  dmi.board.vendor: LENOVO
  dmi.board.version: Rev 1.0
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Rev 1.0
  dmi.modalias: dmi:bvnLENOVO:bvr3FCN21WW:bd01/12/2012:svnLENOVO:pnIdeaPadY560p:pvrRev1.0:rvnLENOVO:rnKL3:rvrRev1.0:cvnLENOVO:ct10:cvrRev1.0:
  dmi.product.name: IdeaPad Y560p
  dmi.product.version: Rev 1.0
  dmi.sys.vendor: LENOVO

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