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[Anders Sjölander <thezood@xxxxxxxxx>]

That is true. And it happens after I type my password to unlock the
computer. I tried turning off password lock during suspend in the power
options and then it works. So the problem only happens when the computer
resumes from suspend after the laptop lid has been closed and screen is
locked.

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https://bugs.launchpad.net/bugs/1327110

Title:
  [Dell Latitude D420] Black screen after resuming from suspend

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  When resuming from suspend I get a black screen, not possible to get
  back to X without restarting the computer. CTRL-ALT-F1 gets me a
  terminal window but I can't be bothered to find out how to restart X
  these days, it's easier just to restart the computer.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-27-generic 3.13.0-27.50
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic i686
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  thezood    1845 F.... pulseaudio
  Date: Fri Jun  6 10:31:38 2014
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=2fa0e036-da9b-4bdd-93e6-e13acc75ccbd
  InstallationDate: Installed on 2013-11-07 (210 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)
  MachineType: Dell Inc. Latitude D420
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   LANGUAGE=en
   TERM=xterm
   PATH=(custom, no user)
   LANG=sv_SE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic root=UUID=97bb6bfe-9f2e-40a0-9cd0-cc8b747c8e30 ro quiet splash vt.handoff=7
  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-3.13.0-27-generic N/A
   linux-backports-modules-3.13.0-27-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-06-02 (3 days ago)
  dmi.bios.date: 02/02/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.asset.tag: SELULT2355
  dmi.board.name: 0TJ984
  dmi.board.vendor: Dell Inc.
  dmi.chassis.asset.tag: SELULT2355
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd02/02/2008:svnDellInc.:pnLatitudeD420:pvr:rvnDellInc.:rn0TJ984:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Latitude D420
  dmi.sys.vendor: Dell Inc.

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