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[Jan Rathmann <Jan.Rathmann@xxxxxx>]

apport information

** Attachment added: "LightdmLog.txt"
   https://bugs.launchpad.net/bugs/1325940/+attachment/4518418/+files/LightdmLog.txt

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https://bugs.launchpad.net/bugs/1325940

Title:
  Desktop sometimes comes up with undisplayable screen resolution

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  the PC from which I'm sending this report sometimes fails to boot into
  the desktop properly (which desktop environment doesn't seem to
  matter). In the failure case the following happens:

  - The Plymouth Ubuntu splash gets displayed, but it looks distorted.
  Flickering horizontal artifacts are shown all over the screen, it
  looks a bit like a CRT Television with low signal.

  - When the desktop is loaded (via autologin), one can see short
  glimpses of its wallpaper, but after a few second the screen becomes
  black and remains that way. The monitor _does_ seem to receive a
  signal though.

  - It is possible to switch to TTYs and to use them, but they show
  similar artifacts like the Plymouth logo.

  - If I query the display information on the monitor's OSD when the
  screen is distorted, it reports a resolution of 1681x1050 or
  1683x1050, which is 1-3 pixel bigger than the native horizontal
  resolution of the 22" LCD screen.

  Switching between different resolutions via entering 'xrandr --size
  1024x768' blindly, followed by 'xrandr --size 1680x1050' brings up the
  native resolution properly.

  This does not happen on every boot, only in ~10-15% of the cases. I
  was not able to find any pattern so far in the occurence of this bug.
  The only thing I observed is that it _never_ happens when Windows XP
  is started, thus my assumption is that the bug is related to the
  xserver-xorg-video-radeon driver.

  I tried to specify the correct resolution explicitly on the kernel
  command line(adding video=DVI-I-1:1680x1050 ) but this has no positive
  effect.

  The monitor is connected via DVI.

  Below is a video attached that tries to show how the TTYs look when
  this bug occurs. Notice the abnormal blue lines, which are constantly
  flickering.

  Kind regards,
  Jan

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: xserver-xorg-video-radeon 1:7.3.0-1ubuntu3.1
  ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
  Uname: Linux 3.13.0-27-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Tue Jun  3 13:23:38 2014
  InstallationDate: Installed on 2014-04-22 (41 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  SourcePackage: xserver-xorg-video-ati
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.14.1-0ubuntu3.18
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: XFCE
  DistUpgraded: Fresh install
  DistroCodename: trusty
  DistroRelease: Ubuntu 14.04
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Advanced Micro Devices, Inc. [AMD/ATI] RV350 [Radeon 9550] [1002:4153] (prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:932a]
     Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:932b]
  InstallationDate: Installed on 2014-04-22 (570 days ago)
  InstallationMedia: Lubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  LightdmGreeterLog:
   ** (lightdm-gtk-greeter:9382): WARNING **: Failed to load user image: Datei »/home/grete/.face« konnte nicht geöffnet werden: Datei oder Verzeichnis nicht gefunden
   g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
  LightdmGreeterLogOld:
   ** (lightdm-gtk-greeter:6675): WARNING **: Failed to load user image: Datei »/home/grete/.face« konnte nicht geöffnet werden: Datei oder Verzeichnis nicht gefunden
   g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
  MachineType: MSI MS-6741
  Package: xorg 1:7.7+1ubuntu8.1
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-63-generic root=UUID=b7a652e9-aea3-4c8a-bf11-32ec8d22b3bb ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.13.0-63.103-generic 3.13.11-ckt25
  Tags:  trusty ubuntu
  Uname: Linux 3.13.0-63-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare saned scanner sudo
  _MarkForUpload: True
  dmi.bios.date: 04/02/01
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: Version 07.00T
  dmi.board.name: MS-6741
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: 0123ABC
  dmi.chassis.type: 3
  dmi.chassis.vendor: Uknown Chassis Manufacture
  dmi.chassis.version: Version 1.00
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrVersion07.00T:bd04/02/01:svnMSI:pnMS-6741:pvr1.0:rvnMSI:rnMS-6741:rvr1.0:cvnUknownChassisManufacture:ct3:cvrVersion1.00:
  dmi.product.name: MS-6741
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.4
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.4
  version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.6
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
  xserver.bootTime: Fri Nov 13 19:30:23 2015
  xserver.configfile: default
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        Sleep Button         KEYBOARD, id 8
   input        USB Optical Mouse    MOUSE, id 9
   input        AT Translated Set 2 keyboard KEYBOARD, id 10
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.15.1-0ubuntu2.7
  xserver.video_driver: radeon

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