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[xbmc50 <1303131@xxxxxxxxxxxxxxxxxx>]

This bug still happens in Ubuntu 14.04 Trusty Tahr.

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https://bugs.launchpad.net/bugs/1303131

Title:
  [Lenovo b575e] Display remains blank after resuming from suspend

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I suspend and after wakeup the display remains blank and never
  displays the desktop. I tested upstream kernel v3.14-rc5-trusty and
  the problem remains.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-18-generic 3.11.0-18.32
  ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4
  Uname: Linux 3.11.0-18-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  marjana    1876 F.... pulseaudio
   /dev/snd/controlC0:  marjana    1876 F.... pulseaudio
  Date: Sat Apr  5 20:28:48 2014
  HibernationDevice: RESUME=UUID=040b5729-2fbb-4c08-b5ba-b0e8650035b0
  InstallationDate: Installed on 2014-02-26 (37 days ago)
  InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 20189
  MarkForUpload: True
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-18-generic root=UUID=25900576-2137-4e56-8cf7-e2b9f74c3ec7 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-18-generic N/A
   linux-backports-modules-3.11.0-18-generic  N/A
   linux-firmware                             1.116.2
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/26/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: HPET68WW(1.06)
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20189
  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:bvrHPET68WW(1.06):bd12/26/2012:svnLENOVO:pn20189:pvrLenovoB575e:rvnLENOVO:rn20189:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20189
  dmi.product.version: Lenovo B575e
  dmi.sys.vendor: LENOVO

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