compiz crashed with SIGSEGV in CompWindow::id()

[Andreas Moog]

Binary package hint: unity

This could be the same crash as before, related to amsn.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.8.2-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
CrashCounter: 1
Date: Fri Apr 1 17:53:24 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x43bef0 <CompWindow::id()>: mov 0x58(%rdi),%rax
 PC (0x0043bef0) ok
 source "0x58(%rdi)" (0x00000058) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 CompWindow::id (this=0x0) at /build/buildd/compiz-0.9.4git20110322/src/window.cpp:4467
 CompScreen::handleEvent (this=0x21d79f0, event=0x7fff6adbb2f0) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:1292
 PrivateCompositeScreen::handleEvent (this=0x2277c70, event=0x7fff6adbb2f0) at /build/buildd/compiz-0.9.4git20110322/plugins/composite/src/screen.cpp:102
 CompScreen::handleEvent (this=0x21d79f0, event=0x7fff6adbb2f0) at /build/buildd/compiz-0.9.4git20110322/src/event.cpp:986
 PrivateGLScreen::handleEvent (this=0x227a800, event=0x7fff6adbb2f0) at /build/buildd/compiz-0.9.4git20110322/plugins/opengl/src/screen.cpp:588
Title: compiz crashed with SIGSEGV in CompWindow::id()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lp lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:2353): Gtk-WARNING **: Change Desktop Background: missing action Change Desktop Background
 (nautilus:2353): Gtk-WARNING **: Ubuntu Documentation: missing action Ubuntu Documentation
 (nautilus:2353): Gtk-WARNING **: Change Desktop Background: missing action Change Desktop Background
 (nautilus:2353): Gtk-WARNING **: Ubuntu Documentation: missing action Ubuntu Documentation

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #747439, 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.