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[Amit Kucheria <1158689@xxxxxxxxxxxxxxxxxx>]

** Attachment added: "bugfree-nouveau-kernel-log"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1158689/+attachment/4072316/+files/nouveau-bugfree.log

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Title:
  10de:0422 bringing up dash causes screen corruption on nouveau

Status in The Linux Kernel:
  Fix Released
Status in “linux” package in Ubuntu:
  In Progress
Status in “linux” source package in Trusty:
  In Progress

Bug description:
  Hitting the "Windows" key to bring up the dash corrupts the screen
  from where everything goes downhill. See attached screenshot for
  example after a few window launches, dash enable/disable, etc.

  WORKAROUND: Logging in with gnome-shell doesn't show these artifacts.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-13-generic 3.8.0-13.23
  ProcVersionSignature: Ubuntu 3.8.0-13.23-generic 3.8.3
  Uname: Linux 3.8.0-13-generic x86_64
  ApportVersion: 2.9.2-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  amit       2192 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  CurrentDmesg:
   [   28.341465] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
   [   32.135937] init: plymouth-stop pre-start process (1666) terminated with status 1
  Date: Fri Mar 22 15:06:56 2013
  HibernationDevice: RESUME=UUID=fb5ae586-aed6-4e8b-8884-21fef7bf242d
  InstallationDate: Installed on 2013-02-01 (48 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64+mac (20130130)
  IwConfig:
   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: Intel To be filled by O.E.M.
  MarkForUpload: True
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-13-generic root=UUID=0084a9a5-74cd-47ba-afe6-a47d02d0b262 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-13-generic N/A
   linux-backports-modules-3.8.0-13-generic  N/A
   linux-firmware                            1.104
  RfKill:

  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/29/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 4.6.3
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: To be filled by O.E.M.
  dmi.board.vendor: Intel
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.3:bd10/29/2009:svnIntel:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnIntel:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To be filled by O.E.M.
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Intel

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