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[Launchpad Bug Tracker <1447556@xxxxxxxxxxxxxxxxxx>]

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

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

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https://bugs.launchpad.net/bugs/1447556

Title:
  AMD radeon hangs/crashes

Status in linux package in Ubuntu:
  Expired

Bug description:
  Ubuntu 3.19.0-15.15-generic 3.19.3

  On boot, there are error messages from the radeon driver (see dmesg
  output), and lightdm fails to start the X server - it simply hangs
  without errors. Logging in on the console and running startx works,
  but if the screen saver kicks in, the X server hangs again and needs
  to be manually killed and restarted.

  This started happening after one of the two latest kernel upgrades on
  vivid, I didn't reboot after the -14 update, so I don't know whether
  that or -15 caused this.

  
  Please contact me If further information is needed, I can't attach more than one file.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-generic 3.19.0.15.14
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  petter    18079 F.... pulseaudio
   /dev/snd/controlC1:  petter    18079 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Thu Apr 23 12:26:01 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-03-08 (45 days ago)
  InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: System manufacturer System Product Name
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic root=UUID=f99b1ed0-5a42-4536-9899-d3e982f1c048 ro
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-15-generic N/A
   linux-backports-modules-3.19.0-15-generic  N/A
   linux-firmware                             1.143
  RfKill:
   0: hci0: Bluetooth
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-03-21 (32 days ago)
  dmi.bios.date: 04/01/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2002
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: Crosshair IV Extreme
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2002:bd04/01/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnCrosshairIVExtreme:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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