firefox crashed with SIGSEGV in NS_ShutdownXPCOM_P()

[marios]

Binary package hint: firefox-3.0

i was just closing firefox

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/lib/firefox-3.0.10/firefox
NonfreeKernelModules: nvidia
Package: firefox-3.0 3.0.10+nobinonly-0ubuntu0.9.04.1
ProcCmdline: /usr/lib/firefox-3.0.10/firefox
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: firefox-3.0
StacktraceTop:
 ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
 ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
 ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
 NS_ShutdownXPCOM_P ()
 ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
Title: firefox crashed with SIGSEGV in NS_ShutdownXPCOM_P()
Uname: Linux 2.6.28-11-generic x86_64
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:AtomTableClearEntry (table=<value optimized out>,
PL_DHashTableFinish (table=0x7f6e0f653ed0)
NS_PurgeAtomTable () at nsAtomTable.cpp:414
NS_ShutdownXPCOM_P (servMgr=0x7fff190a5f90)
~ScopedXPCOMStartup (this=0x7fff190a6450)

[Monkey (monkey-libre)]

Thank you for your bug report, but please understand that crashes are not bugs. Many crashes can be attributed to flaky plugins, extension conflicts, or other behavior. I am closing this bug for that reason, please feel free to reopen it if you feel the crash is reproducible. Use one or more of the following criteria: on other releases of Ubuntu, Newer versions of this program, crashes on every load and with up-to-date plugins.