compiz crashed with SIGSEGV in PluginClassHandler<UnityDialogWindow, CompWindow, 0>::get()

[Aaron Christianson]

I have no idea what happened. Compiz disappeared for a little while, then it came back, and I hit report.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: compiz-core 1:0.9.4+bzr20110606-0ubuntu5
ProcVersionSignature: Ubuntu 3.0-3.4-generic 3.0.0-rc5
Uname: Linux 3.0-3-generic i686
Architecture: i386
Date: Thu Jul 7 20:31:02 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110705.1)
ProcCmdline: compiz
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x79f35f6 <_ZN18PluginClassHandlerI17UnityDialogWindow10CompWindowLi0EE3getEPS1_+326>: mov 0x18(%ebp),%eax
 PC (0x079f35f6) ok
 source "0x18(%ebp)" (0x00000018) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 PluginClassHandler<UnityDialogWindow, CompWindow, 0>::get(CompWindow*) () from /usr/lib/compiz/libunitydialog.so
 UnityDialogWindow::~UnityDialogWindow() () from /usr/lib/compiz/libunitydialog.so
 UnityDialogWindow::~UnityDialogWindow() () from /usr/lib/compiz/libunitydialog.so
 CompPlugin::VTableForScreenAndWindow<UnityDialogScreen, UnityDialogWindow>::finiWindow(CompWindow*) () from /usr/lib/compiz/libunitydialog.so
 CompPlugin::windowFiniPlugins(CompWindow*) ()
Title: compiz crashed with SIGSEGV in PluginClassHandler<UnityDialogWindow, CompWindow, 0>::get()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 PluginClassHandler<UnityDialogWindow, CompWindow, 0>::get (base=0x0) at /usr/include/compiz/core/pluginclasshandler.h:145
 UnityDialogWindow::~UnityDialogWindow (this=0xb296b3f8, __in_chrg=<value optimized out>) at /build/buildd/unity-4.2.0/plugins/unitydialog/src/unitydialog.cpp:1120
 UnityDialogWindow::~UnityDialogWindow (this=0xb296b3f8, __in_chrg=<value optimized out>) at /build/buildd/unity-4.2.0/plugins/unitydialog/src/unitydialog.cpp:1122
 CompPlugin::VTableForScreenAndWindow<UnityDialogScreen, UnityDialogWindow>::finiWindow (this=0x8c8e760, w=0xb2cb4e50) at /usr/include/compiz/core/plugin.h:270
 CompPlugin::windowFiniPlugins (w=0xb2cb4e50) at /build/buildd/compiz-0.9.4+bzr20110606/src/plugin.cpp:409