compiz crashed with SIGSEGV in nux::IOpenGLFrameBufferObject::Deactivate()

[gibbylinks]

Binary package hint: compiz

Won't start at login

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.2.1+glibmainloop3-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.37-10.24-generic 2.6.37-rc6
Uname: Linux 2.6.37-10-generic x86_64
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/allscreens/options/active_plugins'
Date: Sat Dec 18 17:14:12 2010
Disassembly: => 0x0: Cannot access memory at address 0x0
ExecutablePath: /usr/bin/compiz
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20101218)
MachineType: Dell Inc. Inspiron 1501
PciDisplay: 01:05.0 VGA compatible controller [0300]: ATI Technologies Inc RS482 [Radeon Xpress 200M] [1002:5975] (prog-if 00 [VGA controller])
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 LC_MESSAGES=en_US.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- nomodeset
RelatedPackageVersions:
 xserver-xorg 1:7.5+6ubuntu3b1
 libgl1-mesa-glx 7.9+repack-1ubuntu3
 libdrm2 2.4.22-2ubuntu1
 xserver-xorg-video-intel 2:2.13.901-2ubuntu2
 xserver-xorg-video-ati 1:6.13.2-1ubuntu2
SegvAnalysis:
 Segfault happened at: 0x0: Cannot access memory at address 0x0
 PC (0x00000000) not located in a known VMA region (needed executable region)!
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 ?? ()
 nux::IOpenGLFrameBufferObject::Deactivate() () from /usr/lib/libnux-graphics-0.9.so.0
 nux::IOpenGLFrameBufferObject::FormatFrameBufferObject(int, int, nux::BitmapFormat) () from /usr/lib/libnux-graphics-0.9.so.0
 nux::WindowCompositor::FormatRenderTargets(int, int) () from /usr/lib/libnux-0.9.so.0
 nux::WindowThread::ThreadCtor(_XDisplay*, unsigned long, __GLXcontextRec*) () from /usr/lib/libnux-0.9.so.0
Title: compiz crashed with SIGSEGV in nux::IOpenGLFrameBufferObject::Deactivate()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 12/07/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.6.3
dmi.board.name: 0UW744
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvr2.6.3:bd12/07/2007:svnDellInc.:pnInspiron1501:pvrNotSpecified:rvnDellInc.:rn0UW744:rvr:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron 1501
dmi.product.version: Not Specified
dmi.sys.vendor: Dell Inc.
glxinfo: Error: [Errno 2] No such file or directory
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.37-10-generic

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 nux::IOpenGLFrameBufferObject::Deactivate (this=0x0)
 nux::IOpenGLFrameBufferObject::FormatFrameBufferObject (this=0x0, Width=1280, Height=800, PixelFormat=nux::BITFMT_R8G8B8A8)
 nux::WindowCompositor::FormatRenderTargets (
 nux::WindowThread::ThreadCtor (this=0x1911000,

[gibbylinks (gibbylinks)]

FYI

Report was submitted from Dell Inspiron 1501 laptop with 4gb Ram, booted from USB stick with persistent partition and all updates installed at time report submitted.

[Mirco Müller (macslow)]

Since it's nux, I've set the Unity status to "Invalid".