compiz crashed with SIGSEGV in LauncherIcon::GetCenter()

[Joe Gilreath]

Error occured during normal usage of the Unity launcher.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.42-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Thu Apr 14 15:28:35 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110330)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x11c5579 <_ZN12LauncherIcon9GetCenterEv+9>: mov 0x120(%edx),%ecx
 PC (0x011c5579) ok
 source "0x120(%edx)" (0x00000120) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 LauncherIcon::GetCenter() () from /usr/lib/compiz/libunityshell.so
 Launcher::EndIconDrag() () from /usr/lib/compiz/libunityshell.so
 Launcher::RecvMouseUp(int, int, unsigned long, unsigned long) () from /usr/lib/compiz/libunityshell.so
 sigc::internal::slot_call4<sigc::bound_mem_functor4<void, Launcher, int, int, unsigned long, unsigned long>, void, int, int, unsigned long, unsigned long>::call_it(sigc::internal::slot_rep*, int const&, int const&, unsigned long const&, unsigned long const&) () from /usr/lib/compiz/libunityshell.so
 nux::InputArea::OnEvent(nux::Event&, long, long) () from /usr/lib/libnux-0.9.so.0
Title: compiz crashed with SIGSEGV in LauncherIcon::GetCenter()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (<unknown>:1808): Bonobo-WARNING **: Bonobo must be initialized before use
 (nautilus:1813): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nm-applet:1823): libnotify-WARNING **: Received unknown action STOP
 (firefox-bin:2733): Bonobo-WARNING **: Bonobo must be initialized before use
 (<unknown>:7139): Bonobo-WARNING **: Bonobo must be initialized before use

[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 #760556, 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.