Public bug reported:
This has happened twice now, both times when machine was unattended and screen
was probably locked.
Looks similar to https://bugzilla.redhat.com/show_bug.cgi?id=821628 including
the "divisor 0 get vblank counter failed"
warning preceding the crash.
So in Xorg log I get the following (the log for the older crash was not saved,
but from memory the backtrace looks
same)
[750609.181] (WW) RADEON(0): divisor 0 get vblank counter failed: Device or
resource busy
[750669.193] (WW) RADEON(0): divisor 0 get vblank counter failed: Device or reso
urce busy
[750669.194]
Backtrace:
[750669.197] 0: /usr/bin/X (xorg_backtrace+0x26) [0x7f65996ba816]
[750669.197] 1: /usr/bin/X (0x7f6599532000+0x18c6ba) [0x7f65996be6ba]
[750669.197] 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f6598858000+0xfcb0)
[0x7f6598867cb0]
[750669.197] 3: /usr/bin/X (AttendClient+0x1c) [0x7f65996bc88c]
[750669.197] 4: /usr/lib/xorg/modules/extensions/libdri2.so
(DRI2SwapComplete+0x137) [0x7f6595b42577]
[750669.197] 5: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7f6595626000+0xd967f) [0x7f65956ff67f]
[750669.197] 6: /usr/lib/xorg/modules/extensions/libdri2.so
(DRI2SwapBuffers+0x110) [0x7f6595b42790]
[750669.197] 7: /usr/lib/xorg/modules/extensions/libdri2.so
(0x7f6595b40000+0x37d3) [0x7f6595b437d3]
[750669.197] 8: /usr/bin/X (0x7f6599532000+0x4e8a1) [0x7f65995808a1]
[750669.197] 9: /usr/bin/X (0x7f6599532000+0x3d7ba) [0x7f659956f7ba]
[750669.197] 10: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xed)
[0x7f65976ed76d]
[750669.197] 11: /usr/bin/X (0x7f6599532000+0x3daad) [0x7f659956faad]
[750669.197] Segmentation fault at address (nil)
[750669.197]
Caught signal 11 (Segmentation fault). Server aborting
[750669.197]
Please consult the The X.Org Foundation support
at http://wiki.x.org
for help.
[750669.197] Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: xserver-xorg 1:7.6+12ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.0.1-0ubuntu11
Architecture: amd64
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,place,grid,mousepoll,gnomecompat,session,snap,resize,regex,imgpng,vpswitch,wall,move,unitymtgrabhandles,animation,fade,expo,workarounds,ezoom,scale,unityshell]
CompositorRunning: compiz
Date: Sun Aug 5 19:46:54 2012
DistUpgraded: 2012-07-24 14:02:06,990 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes,
GraphicsCard:
Advanced Micro Devices [AMD] nee ATI RS880 [Radeon HD 4250] [1002:9715]
(prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. M5A88-V EVO [1043:843e]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: System manufacturer System Product Name
ProcEnviron:
TERM=xterm
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-27-generic
root=UUID=0c719a59-7ad7-402c-af5b-2fdb744a7c4b ro
crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to precise on 2012-07-24 (12 days ago)
dmi.bios.date: 09/08/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1701
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M4A88TD-M EVO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1701:bd09/08/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A88TD-MEVO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.7.8-0ubuntu1.2
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3.1
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10.6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1.2
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20111201+b5534a1-1build2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 precise running-unity ubuntu
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1033242
Title:
X server crashes
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