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[Launchpad Bug Tracker <1455974@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/1455974

Title:
  Lenovo E545 freezes with 'CPU stuck' under Kernel 3.19 (Ubuntu 15.04)

Status in linux package in Ubuntu:
  Expired

Bug description:
  Lenovo E545 freezes with 'CPU stuck' under Kernel 3.19 (Ubuntu 15.04;
  latest) after aprox 10s when login screen appears meanwhile Ubuntu
  14.10 runs.

  CPU stuck also when booting in text mode.

  Kernel 3.16 under Ubuntu 15.04 seems to work either.

  
  --- 
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ctb        1844 F.... pulseaudio
   /dev/snd/controlC0:  ctb        1844 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-05-18 (366 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20B2CTO1WW
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-34-generic.efi.signed root=UUID=186c4ba0-9c33-449a-899f-d1d1a0ec35ff ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-34.47-generic 3.16.7-ckt8
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-34-generic N/A
   linux-backports-modules-3.16.0-34-generic  N/A
   linux-firmware                             1.143
  Tags:  vivid
  UdevLog:
   
  Uname: Linux 3.16.0-34-generic x86_64
  UpgradeStatus: Upgraded to vivid on 2015-04-23 (25 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/24/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: HRET24WW (1.12)
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20B2CTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98405 Std
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrHRET24WW(1.12):bd01/24/2014:svnLENOVO:pn20B2CTO1WW:pvrThinkPadEdgeE545:rvnLENOVO:rn20B2CTO1WW:rvr0B98405Std:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20B2CTO1WW
  dmi.product.version: ThinkPad Edge E545
  dmi.sys.vendor: LENOVO
  --- 
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ctb        1844 F.... pulseaudio
   /dev/snd/controlC0:  ctb        1844 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.04
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-05-18 (366 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20B2CTO1WW
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-34-generic.efi.signed root=UUID=186c4ba0-9c33-449a-899f-d1d1a0ec35ff ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-34.47-generic 3.16.7-ckt8
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-34-generic N/A
   linux-backports-modules-3.16.0-34-generic  N/A
   linux-firmware                             1.143
  Tags:  vivid
  UdevLog:
   
  Uname: Linux 3.16.0-34-generic x86_64
  UpgradeStatus: Upgraded to vivid on 2015-04-23 (25 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/24/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: HRET24WW (1.12)
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20B2CTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98405 Std
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrHRET24WW(1.12):bd01/24/2014:svnLENOVO:pn20B2CTO1WW:pvrThinkPadEdgeE545:rvnLENOVO:rn20B2CTO1WW:rvr0B98405Std:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20B2CTO1WW
  dmi.product.version: ThinkPad Edge E545
  dmi.sys.vendor: LENOVO

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