** Changed in: compiz-core
     Assignee: Daniel van Vugt (vanvugt) => (unassigned)

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https://bugs.launchpad.net/bugs/1054724

Title:
  [fglrx] compiz crashed with SIGSEGV in glXDestroyContext()
  [/usr/lib/fglrx/libGL.so.1] from GLScreen::~GLScreen()

Status in Compiz:
  Fix Released
Status in Compiz Core:
  Triaged
Status in “compiz” package in Ubuntu:
  Fix Released

Bug description:
  i dont see the taskbar

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: compiz-core 1:0.9.8.2+bzr3377-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
  Uname: Linux 3.5.0-15-generic x86_64
  ApportVersion: 2.5.2-0ubuntu4
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  Date: Sat Sep 22 19:33:40 2012
  DistUpgraded: 2012-08-02 14:18:46,689 DEBUG enabling apt cron job
  DistroCodename: quantal
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/compiz
  GraphicsCard:
   Advanced Micro Devices [AMD] nee ATI RS780 [Radeon HD 3200] [1002:9610] 
(prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. Device [1462:4590]
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120405)
  MachineType: MICRO-STAR INTERNATIONAL CO., LTD MS-6650
  ProcCmdline: compiz
  ProcEnviron:
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-15-generic 
root=UUID=cbbb41b2-a4fa-410a-bf4e-ac9b1f39893f ro quiet splash vt.handoff=7
  SegvAnalysis:
   Segfault happened at: 0x7fec593cd59b <glXDestroyContext+59>: mov    
0x19c(%rbx),%eax
   PC (0x7fec593cd59b) ok
   source "0x19c(%rbx)" (0x101010000019c) not located in a known VMA region 
(needed readable region)!
   destination "%eax" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: compiz
  StacktraceTop:
   glXDestroyContext () from /usr/lib/fglrx/libGL.so.1
   GLScreen::~GLScreen() () from /usr/lib/compiz/libopengl.so
   GLScreen::~GLScreen() () from /usr/lib/compiz/libopengl.so
   PluginClassHandler<GLScreen, CompScreen, 6>::get(CompScreen*) () from 
/usr/lib/compiz/libopengl.so
   PrivateGLWindow::PrivateGLWindow(CompWindow*, GLWindow*) () from 
/usr/lib/compiz/libopengl.so
  Title: compiz crashed with SIGSEGV in glXDestroyContext()
  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:  153 (GLX)
     Minor opcode of failed request:  19 (X_GLXQueryServerString)
     Serial number of failed request:  22
     Current serial number in output stream:  22
  UpgradeStatus: Upgraded to quantal on 2012-08-02 (51 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 10/20/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 080015
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: MS-7459
  dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO., LTD
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr080015:bd10/20/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-6650:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7459:rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
  dmi.product.name: MS-6650
  dmi.product.version: 1.0
  dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD
  version.compiz: compiz 1:0.9.8.2+bzr3377-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.39-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120917.7cfd42ce-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120917.7cfd42ce-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu4
  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 2:2.20.8-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.2-0ubuntu1

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