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[Launchpad Bug Tracker <1156819@xxxxxxxxxxxxxxxxxx>]

[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]

** Changed in: xorg (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1156819

Title:
  Unconnecting hdmi cable from port causes lock up and screen corruption

Status in xorg package in Ubuntu:
  Expired

Bug description:
  the laptop connected to an external display, it is driving only the
  external display when attached. if the hdmi cable is removed whilst
  lid is closed, upon opening the lid computer locks up- display does
  not come on. if lid is opened beforehand and the hdmi cable is
  removed, it causes system to crash, displaying screen corruption,
  being unresponsive to any input(capslock on /of virtual terminal etc).

  *****UPDATE 20 Mar 2013****

  It seems that simply entering a virtual console, and trying to revert back to the gui (ctrl+alt +f7, without reloading lightdm) also crashes the system , causing screen corruption.
  **************

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.5.0-25-generic 3.5.0-25.39~precise1
  ProcVersionSignature: Ubuntu 3.5.0-25.39~precise1-generic 3.5.7.4
  Uname: Linux 3.5.0-25-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
  ApportVersion: 2.0.1-0ubuntu17.1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC262 Analog [ALC262 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  anton      2007 F.... pulseaudio
   /dev/snd/controlC0:  anton      2007 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd4a00000 irq 48'
     Mixer name	: 'Realtek ALC262'
     Components	: 'HDA:10ec0262,104d3a00,00100302 HDA:14f12c06,104d1700,00100000'
     Controls      : 19
     Simple ctrls  : 9
  Card1.Amixer.info:
   Card hw:1 'HDMI'/'HDA ATI HDMI at 0xd0030000 irq 49'
     Mixer name	: 'ATI R6xx HDMI'
     Components	: 'HDA:1002aa01,104d3a00,00100100'
     Controls      : 6
     Simple ctrls  : 1
  Card1.Amixer.values:
   Simple mixer control 'IEC958',0
     Capabilities: pswitch pswitch-joined penum
     Playback channels: Mono
     Mono: Playback [on]
  Date: Mon Mar 18 20:23:11 2013
  HibernationDevice: RESUME=UUID=96f3ccb2-c675-4cd3-a242-7f717a365e33
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130214)
  MachineType: Sony Corporation VGN-NW11S_T
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.5.0-25-generic root=/dev/mapper/volumegrp01-volume02 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-25-generic N/A
   linux-backports-modules-3.5.0-25-generic  N/A
   linux-firmware                            1.79.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/27/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R0180Y4
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR0180Y4:bd08/27/2009:svnSonyCorporation:pnVGN-NW11S_T:pvrC601PLF4:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VGN-NW11S_T
  dmi.product.version: C601PLF4
  dmi.sys.vendor: Sony Corporation

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