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[Martin Pitt <martin.pitt@xxxxxxxxxx>]

Confirmed on a Dell Mini 10v, so it seems pretty hw unspecific. I just
get a black screen when lightdm starts. When I sudo stop lightdm and
kill the X process, and "sudo start lightdm" it still does not work, so
it's not a startup race.

When I do "startx" from a VT, it works fine.

** Changed in: lightdm (Ubuntu Oneiric)
     Assignee: Canonical Desktop Team (canonical-desktop-team) => Robert Ancell (robert-ancell)

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https://bugs.launchpad.net/bugs/831884

Title:
  lightdm fails to start on Live CD on intel: [drm] failed to set drm
  interface version (plymouth race ?)

Status in “lightdm” package in Ubuntu:
  Confirmed
Status in “xserver-xorg-video-intel” package in Ubuntu:
  Invalid
Status in “lightdm” source package in Oneiric:
  Confirmed
Status in “xserver-xorg-video-intel” source package in Oneiric:
  Invalid

Bug description:
  Oneiric Desktop 20110822

  TEST CASE:
  1. Create a USB stick from latest ISO
  2. Boot it

  Result:
  X fails to come up.
  The following error message is displayed in the logs:
  [    25.249] (EE) intel(0): [drm] failed to set drm interface version.
  [    25.249] (EE) intel(0): Failed to become DRM master.
  [    25.250] (EE) intel(0): failed to get resources: Bad file descriptor
  [    25.250] (EE) Screen(s) found, but none have a usable configuration.

  Reproduced on Arrandale and Pineview

  WORKAROUND:
  Press Left-Shift on boot and select 'Try Ubuntu' from the menu

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-9.13-generic 3.0.3
  Uname: Linux 3.0.0-9-generic i686
  Architecture: i386
  CasperVersion: 1.279
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  Date: Tue Aug 23 09:56:01 2011
  DistUpgraded: Fresh install
  DistroCodename: oneiric
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
  GraphicsCard:
   Intel Corporation N10 Family Integrated Graphics Controller [8086:a011] (prog-if 00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. Device [1043:83ac]
     Subsystem: ASUSTeK Computer Inc. Device [1043:83ac]
  LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110823)
  MachineType: ASUSTeK Computer INC. 1015PE
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  SourcePackage: xserver-xorg-video-intel
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/31/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0402
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 1015PE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: x.xx
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0402:bd05/31/2010:svnASUSTeKComputerINC.:pn1015PE:pvrx.x:rvnASUSTeKComputerINC.:rn1015PE:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
  dmi.product.name: 1015PE
  dmi.product.version: x.x
  dmi.sys.vendor: ASUSTeK Computer INC.
  version.compiz: compiz 1:0.9.5.0-0ubuntu5
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

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