compiz crashed with SIGSEGV in GLScreen::GLScreen()

[Mike]

Update to 12.10 from a fresh install of 12.04. Afther restart i got this bug

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: compiz-core 1:0.9.8.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-14.16-generic 3.5.3
Uname: Linux 3.5.0-14-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module 304.43 Sun Aug 19 20:14:03 PDT 2012
 GCC version: gcc version 4.7.1 20120908 (prerelease) (Ubuntu/Linaro 4.7.1-8ubuntu1)
ApportVersion: 2.5.1-0ubuntu7
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Wed Sep 12 21:41:44 2012
DistUpgraded: 2012-09-12 21:38:09,707 DEBUG enabling apt cron job
DistroCodename: quantal
DistroVariant: ubuntu
DkmsStatus:
 nvidia-current, 304.43, 3.2.0-29-generic, x86_64: installed
 nvidia-current, 304.43, 3.5.0-14-generic, x86_64: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:0465]
 NVIDIA Corporation GT215 [GeForce GT 335M] [10de:0caf] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Dell Device [1028:0465]
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
JockeyStatus:
 kmod:wl - Broadcom STA wireless driver (Proprietary, Disabled, Not in use) [auto-install]
 kmod:nvidia_current - nvidia_current (Proprietary, Enabled, Not in use)
 kmod:nvidia_current_updates - NVIDIA binary Xorg driver, kernel module and VDPAU library (Proprietary, Disabled, Not in use)
MachineType: Alienware M11x R2
ProcCmdline: Compiz
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic root=UUID=3f68c8fc-a10c-4d1d-ac81-da18c7616516 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x7f669609b458: movzbl (%rdi),%eax
 PC (0x7f669609b458) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 GLScreen::GLScreen(CompScreen*) () from /usr/lib/compiz/libopengl.so
 PluginClassHandler<GLScreen, CompScreen, 5>::get(CompScreen*) () from /usr/lib/compiz/libopengl.so
 CompPlugin::VTableForScreenAndWindow<GLScreen, GLWindow>::initScreen(CompScreen*) () from /usr/lib/compiz/libopengl.so
 CompManager::initPlugin(CompPlugin*) () from /usr/lib/libcompiz_core.so.ABI-20120603
Title: compiz crashed with SIGSEGV in GLScreen::GLScreen()
UnitySupportTest:
 Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with exit code 5: Xlib: extension "GLX" missing on display ":0".
 Error: GLX is not available on the system
UpgradeStatus: Upgraded to quantal on 2012-09-12 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
XorgConf:
 Section "Device"
  Identifier "Default Device"
  Option "NoLogo" "True"
 EndSection
dmi.bios.date: 11/23/2010
dmi.bios.vendor: Alienware
dmi.bios.version: A04
dmi.board.name: M11x R2
dmi.board.vendor: Alienware
dmi.board.version: A04
dmi.chassis.type: 8
dmi.chassis.vendor: Alienware
dmi.chassis.version: A04
dmi.modalias: dmi:bvnAlienware:bvrA04:bd11/23/2010:svnAlienware:pnM11xR2:pvrA04:rvnAlienware:rnM11xR2:rvrA04:cvnAlienware:ct8:cvrA04:
dmi.product.name: M11x R2
dmi.product.version: A04
dmi.sys.vendor: Alienware
version.compiz: compiz 1:0.9.8.0-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0~git20120903.e1673d20.is.git20120821.c1114c61-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0~git20120903.e1673d20.is.git20120821.c1114c61-0ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu1
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~git20120713.6ef1ad6a-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.6-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.1-4~ubuntu1

[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 #944653, 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.