compiz crashed with SIGSEGV in CompWindow::id()

Binary package hint: compiz

on regular desktop session with GNOME3 PPA enabled.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.2.1+glibmainloop3-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.37-11.25-generic 2.6.37-rc7
Uname: Linux 2.6.37-11-generic x86_64
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/allscreens/options/active_plugins'
Date: Thu Jan 6 09:58:30 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100803.1)
MachineType: Hewlett-Packard HP Pavilion dv7 Notebook PC
PciDisplay: 01:05.0 VGA compatible controller [0300]: ATI Technologies Inc RS780M/RS780MN [Radeon HD 3200 Graphics] [1002:9612] (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: BOOT_IMAGE=/boot/vmlinuz-2.6.37-11-generic root=UUID=dc17aa56-caa0-4d4a-a916-96d0086fcc11 ro vt.handoff=7 quiet splash
RelatedPackageVersions:
 xserver-xorg 1:7.5+6ubuntu6
 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: 0x43b830 <_ZN10CompWindow2idEv>: mov 0x58(%rdi),%rax
 PC (0x0043b830) ok
 source "0x58(%rdi)" (0x00000079) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 CompWindow::id() ()
 UnityScreen::getWindowPaintList() () from /usr/lib/compiz/libunityshell.so
 CompositeScreen::getWindowPaintList() () from /usr/lib/compiz/libcomposite.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()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 08/17/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.49
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 30FC
dmi.board.vendor: Compal
dmi.board.version: 01.99
dmi.chassis.type: 10
dmi.chassis.vendor: Compal
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.49:bd08/17/2009:svnHewlett-Packard:pnHPPaviliondv7NotebookPC:pvr1:rvnCompal:rn30FC:rvr01.99:cvnCompal:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv7 Notebook PC
dmi.product.version: 1
dmi.sys.vendor: Hewlett-Packard
glxinfo: Error: [Errno 2] No such file or directory
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.37-11-generic