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[prasad patil <prasadpatil252@xxxxxxxxx>]

apport information

** Attachment added: "ProcInterrupts.txt"
   https://bugs.launchpad.net/bugs/1457350/+attachment/4535431/+files/ProcInterrupts.txt

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https://bugs.launchpad.net/bugs/1457350

Title:
  Random Freezing problem with Ubuntu 14.04 LTS, Lenovo Laptop T420

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 14.04 freezes on Lenovo Thinkpad 420.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-53-generic 3.13.0-53.88
  ProcVersionSignature: Ubuntu 3.13.0-53.88-generic 3.13.11-ckt19
  Uname: Linux 3.13.0-53-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  479153     2639 F.... pulseaudio
  CurrentDesktop: Unity
  CurrentDmesg: Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
  Date: Thu May 21 12:41:14 2015
  InstallationDate: Installed on 2015-02-04 (105 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 4236PA6
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-53-generic root=UUID=f76e0417-cd99-44f8-a4e7-f405327f44be ro quiet splash vt.handoff=7
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  WifiSyslog:
   
  dmi.bios.date: 03/26/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 83ET69WW (1.39 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4236PA6
  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:bvr83ET69WW(1.39):bd03/26/2012:svnLENOVO:pn4236PA6:pvrThinkPadT420:rvnLENOVO:rn4236PA6:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4236PA6
  dmi.product.version: ThinkPad T420
  dmi.sys.vendor: LENOVO
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  479153     4208 F.... pulseaudio
  CurrentDesktop: Unity
  CurrentDmesg:
   Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
   dmesg: write failed: Broken pipe
  DistroRelease: Ubuntu 14.04
  InstallationDate: Installed on 2015-02-04 (314 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 4236PA6
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-39-generic root=UUID=f76e0417-cd99-44f8-a4e7-f405327f44be ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-39.44~14.04.1-generic 3.19.8-ckt9
  Tags:  trusty
  Uname: Linux 3.19.0-39-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: bumblebee sudo
  WifiSyslog:
   
  _MarkForUpload: True
  dmi.bios.date: 07/05/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 83ET76WW (1.46 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4236PA6
  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:bvr83ET76WW(1.46):bd07/05/2013:svnLENOVO:pn4236PA6:pvrThinkPadT420:rvnLENOVO:rn4236PA6:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4236PA6
  dmi.product.version: ThinkPad T420
  dmi.sys.vendor: LENOVO
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  479153     4208 F.... pulseaudio
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=5368ef0a-7ec6-40f6-ba2f-37ed9e9e6cb2
  InstallationDate: Installed on 2015-02-04 (314 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 4236PA6
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_IN:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_IN
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-39-generic root=UUID=f76e0417-cd99-44f8-a4e7-f405327f44be ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-39.44~14.04.1-generic 3.19.8-ckt9
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-39-generic N/A
   linux-backports-modules-3.19.0-39-generic  N/A
   linux-firmware                             1.127.19
  Tags:  trusty
  Uname: Linux 3.19.0-39-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 07/05/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 83ET76WW (1.46 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4236PA6
  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:bvr83ET76WW(1.46):bd07/05/2013:svnLENOVO:pn4236PA6:pvrThinkPadT420:rvnLENOVO:rn4236PA6:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4236PA6
  dmi.product.version: ThinkPad T420
  dmi.sys.vendor: LENOVO

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