compiz crashed with SIGSEGV in GridScreen::handleEvent()

[Alexandrosg]

After applying updates and restarting on 12.10, the window manager does not start anymore.

It was working ok until yesterday.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: compiz-core 1:0.9.8.4-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-17.16-lowlatency 3.5.5
Uname: Linux 3.5.0-17-lowlatency x86_64
ApportVersion: 2.6.1-0ubuntu1
Architecture: amd64
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
CrashCounter: 1
Date: Sun Oct 7 22:43:57 2012
DistUpgraded: 2012-09-29 00:06:53,594 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus:
 fglrx-updates, 9.000, 3.5.0-16-generic, x86_64: installed
 fglrx-updates, 9.000, 3.5.0-17-generic, x86_64: installed
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Advanced Micro Devices [AMD] nee ATI Barts XT [Radeon HD 6800 Series] [1002:6738] (prog-if 00 [VGA controller])
   Subsystem: Advanced Micro Devices [AMD] nee ATI Device [1002:00d0]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MachineType: Gigabyte Technology Co., Ltd. GA-890FXA-UD5
ProcCmdline: compiz
ProcEnviron:
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-lowlatency root=UUID=4eec6a68-64ab-4e60-9899-8f7bdb6377cb ro quiet splash
SegvAnalysis:
 Segfault happened at: 0x7f7a48449c10 <_ZN10GridScreen11handleEventEP7_XEvent+1792>: mov 0x30(%rdx),%rax
 PC (0x7f7a48449c10) ok
 source "0x30(%rdx)" (0x00000030) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 GridScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libgrid.so
 CompScreen::handleEvent(_XEvent*) () from /usr/lib/libcompiz_core.so.ABI-20120927
 RegexScreen::handleEvent(_XEvent*) () from /usr/lib/compiz/libregex.so
 CompScreen::handleEvent(_XEvent*) () from /usr/lib/libcompiz_core.so.ABI-20120927
 CompScreen::handleEvent(_XEvent*) () from /usr/lib/libcompiz_core.so.ABI-20120927
Title: compiz crashed with SIGSEGV in GridScreen::handleEvent()
UnitySupportTest:
 Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code 1: X Error of failed request: BadRequest (invalid request code or no such operation)
   Major opcode of failed request: 155 (ATIFGLEXTENSION)
   Minor opcode of failed request: 66 ()
   Serial number of failed request: 23
   Current serial number in output stream: 23
UpgradeStatus: Upgraded to quantal on 2012-09-28 (8 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo video
dmi.bios.date: 11/24/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F6
dmi.board.name: GA-890FXA-UD5
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF6:bd11/24/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-890FXA-UD5:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-890FXA-UD5:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-890FXA-UD5
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.8.4-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20121004.b2048c5e-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20121004.b2048c5e-0ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu5
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1054049, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.