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[Launchpad Bug Tracker <1315496@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/1315496

Title:
  [Dell Latitude E6420] Occasional Lock-up on Suspend

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  After upgrading to Ubuntu 14.04 my computer will no longer suspend
  consistently. Approximately 20% of the times I suspend from the menu
  or command line, the screen will go black and display the following
  text. The only way to gain control at this point is to hard reset the
  computer.

  [ 445.032801] PM: Syncing filesystems … done.
  [ 445.057818] PM: Preparing system for mem sleep
  [ 445.058006] Freezing user space processes --- (elapsed 0.001 seconds) done.
  [ 445.059860] Freezing remaining freezable tasks … (elapsed 0.001 seconds) done.
  [ 445.061194] PM: Entering mem sleep
  [ 445.061247] Suspending console(s) (use no_console_suspend to debug)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic]
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  benkahle   2248 F.... pulseaudio
   /dev/snd/controlC0:  benkahle   2248 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Fri May  2 14:58:50 2014
  HibernationDevice: RESUME=UUID=0143f701-3686-435d-9f83-73d27932a41f
  InstallationDate: Installed on 2014-04-18 (14 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Latitude E6420
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=2a55ff46-6bfd-46b7-b7e2-e80e2c59a6d2 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/01/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A16
  dmi.board.name: 038C0K
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA16:bd01/01/2013:svnDellInc.:pnLatitudeE6420:pvr01:rvnDellInc.:rn038C0K:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6420
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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