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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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** Changed in: linux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1335287

Title:
  Ubuntu 14.04 blank screen after wakeup from sleep

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  This is my re-reporting of bug #1283938, after it was downgraded and
  the specifics of the tested fix did not apply to me. We were
  encouraged to re-report.

  On a fresh installation of Xubuntu 14.04 (64 bit) on my Toshiba
  Latitude L755 laptop, when I close the lid, the screen shuts off (as
  would be expected). When I open it again, it gives me the chance to
  log in as though the screen was locked. After typing my password and
  hitting enter or clicking through to continue, the screen blanks and
  the computer cannot be awakened. Restarting is necessary.

  I have seen others report this using Unity desktop as well. My
  personal experience is that LXDE (installed after the fresh Xubuntu
  install as an attempt at a work-around) is unaffected by this bug. I
  have been affected since my initial 14.04 install in April and updates
  have not altered it.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.54
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  carla      1988 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Fri Jun 27 14:25:54 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-04-22 (65 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  Lsusb:
   Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 003: ID 0bda:5801 Realtek Semiconductor Corp. 
   Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: TOSHIBA Satellite L755
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic root=UUID=badce1bf-10fe-4cb0-8431-30767123cd0b ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.127.4
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/26/2012
  dmi.bios.vendor: INSYDE
  dmi.bios.version: 3.60
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Base Board Product Name
  dmi.board.vendor: Intel Corp.
  dmi.board.version: Base Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis Manufacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnINSYDE:bvr3.60:bd06/26/2012:svnTOSHIBA:pnSatelliteL755:pvrPSK1WU-0S109C:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: Satellite L755
  dmi.product.version: PSK1WU-0S109C
  dmi.sys.vendor: TOSHIBA

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