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[Bug 1487769] Re: Task hung when using GPU

 

** Tags added: kernel-fixed-upstream

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https://bugs.launchpad.net/bugs/1487769

Title:
  Task hung when using GPU

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When I try to run the game Team Fortress 2 (freely available from
  Steam) with linux-generic kernel and free Radeonsi Gallium driver from
  Mesa, latest version updated from a PPA
  (https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers), the
  game hungs at the loading screen, won't die with SIGKILL, and will
  print periodically this message in dmesg:

  [  910.474207] radeon 0000:01:00.0: bo ffff88006da3bc00 va 0x00000323bc conflict with (bo ffff8800647f0000 0x00000323bc 0x00000323bc)
  [ 1080.007000] INFO: task hl2_linux:2675 blocked for more than 120 seconds.
  [ 1080.007003]       Tainted: G           OE  3.19.0-25-generic #26-Ubuntu
  [ 1080.007004] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
  [ 1080.007004] hl2_linux       D ffff8801987cfcb8     0  2675   2672 0x20020000
  [ 1080.007007]  ffff8801987cfcb8 ffff88019930ce80 0000000000014240 ffff8801987cffd8
  [ 1080.007008]  0000000000014240 ffff8801a82993a0 ffff88019930ce80 0000000000200046
  [ 1080.007009]  ffff88006da3bdf0 ffff88006da3bdf4 ffff88019930ce80 00000000ffffffff
  [ 1080.007011] Call Trace:
  [ 1080.007017]  [<ffffffff817c71b9>] schedule_preempt_disabled+0x29/0x70
  [ 1080.007019]  [<ffffffff817c9075>] __mutex_lock_slowpath+0x95/0x100
  [ 1080.007020]  [<ffffffff817c9103>] mutex_lock+0x23/0x40
  [ 1080.007035]  [<ffffffffc0b6f0b0>] radeon_gem_object_close+0x70/0x120 [radeon]
  [ 1080.007042]  [<ffffffffc06faa6c>] drm_gem_handle_delete+0xac/0x100 [drm]
  [ 1080.007044]  [<ffffffff811f72c5>] ? __sb_end_write+0x35/0x70
  [ 1080.007048]  [<ffffffffc06fb125>] drm_gem_close_ioctl+0x25/0x30 [drm]
  [ 1080.007052]  [<ffffffffc06fba6f>] drm_ioctl+0x1df/0x680 [drm]
  [ 1080.007054]  [<ffffffff81234dde>] ? fsnotify+0x37e/0x530
  [ 1080.007062]  [<ffffffffc0718775>] drm_compat_ioctl+0x35/0x40 [drm]
  [ 1080.007071]  [<ffffffffc0c342f5>] radeon_kms_compat_ioctl+0x25/0x30 [radeon]
  [ 1080.007073]  [<ffffffff81249b20>] compat_SyS_ioctl+0xc0/0x320
  [ 1080.007075]  [<ffffffff817cdf2a>] sysenter_dispatch+0x7/0x21

  Installing linux-lowlatency solved the problem. My GPU is reported
  from mesa as being a AMD TAHITI.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-generic 3.19.0.26.25
  ProcVersionSignature: Ubuntu 3.19.0-26.28-lowlatency 3.19.8-ckt4
  Uname: Linux 3.19.0-26-lowlatency x86_64
  ApportVersion: 2.17.2-0ubuntu1.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC3:  lucas      3705 F.... pulseaudio
   /dev/snd/controlC2:  lucas      3705 F.... pulseaudio
   /dev/snd/controlC1:  lucas      3705 F.... pulseaudio
   /dev/snd/controlC0:  lucas      3705 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Aug 22 17:22:25 2015
  HibernationDevice: RESUME=UUID=d49e649c-f1dc-44c4-abd1-357220cf8a95
  InstallationDate: Installed on 2015-07-05 (48 days ago)
  InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  IwConfig:
   eth0      no wireless extensions.

   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. Z97M-D3H
  ProcFB:
   0 radeondrmfb
   1 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-26-lowlatency root=UUID=c0557b65-d473-42d2-96e3-5546f8923821 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-26-lowlatency N/A
   linux-backports-modules-3.19.0-26-lowlatency  N/A
   linux-firmware                                1.143.3
  RfKill:

  SourcePackage: linux
  UdevLog: Error: [Errno 2] Arquivo ou diretório não encontrado: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/24/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F2
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z97M-D3H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF2:bd04/24/2014:svnGigabyteTechnologyCo.,Ltd.:pnZ97M-D3H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ97M-D3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: Z97M-D3H
  dmi.product.version: To be filled by O.E.M.
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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