compiz crashed with SIGSEGV in CompWindow::id()

[Daniel Hahler]

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ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.10.0-0ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
ApportVersion: 2.0.1-0ubuntu4
Architecture: i386
Date: Tue Apr 17 17:14:56 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0xb76d2cba <_ZN10CompWindow2idEv+10>: mov 0x10(%eax),%eax
 PC (0xb76d2cba) ok
 source "0x10(%eax)" (0x00000098) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 CompWindow::id() () from /usr/lib/libcompiz_core.so.ABI-20120305
 unity::UnityWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libunityshell.so
 GLWindow::glPaint(GLWindowPaintAttrib const&, GLMatrix const&, CompRegion const&, unsigned int) () from /usr/lib/compiz/libopengl.so
 PrivateGLScreen::paintOutputRegion(GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so
 GLScreen::glPaintOutput(GLScreenPaintAttrib const&, GLMatrix const&, CompRegion const&, CompOutput*, unsigned int) () from /usr/lib/compiz/libopengl.so
Title: compiz crashed with SIGSEGV in CompWindow::id()
UpgradeStatus: Upgraded to precise on 2011-12-16 (123 days ago)
UserGroups: adm admin audio cdrom dialout floppy fuse libvirtd lpadmin netdev plugdev sambashare sudo vboxusers video

[Apport retracing service (apport)]

StacktraceTop:
 CompWindow::id (this=0x9845710) at /build/buildd/compiz-0.9.7.6/src/window.cpp:5597
 getPaintMask (this=<optimized out>) at /build/buildd/unity-5.10.0/plugins/unityshell/src/compizminimizedwindowhandler.h:269
 unity::UnityWindow::glPaint (this=0x9b97468, attrib=..., matrix=..., region=..., mask=2) at /build/buildd/unity-5.10.0/plugins/unityshell/src/unityshell.cpp:2180
 GLWindow::glPaint (this=0x9a37578, attrib=..., transform=..., region=..., mask=2) at /build/buildd/compiz-0.9.7.6/plugins/opengl/src/paint.cpp:1244
 PrivateGLScreen::paintOutputRegion (this=0x87267b0, transform=..., region=..., output=0x86d8ea8, mask=3) at /build/buildd/compiz-0.9.7.6/plugins/opengl/src/paint.cpp:295