firefox crashed with SIGSEGV in JS_CallTracer()

[mayank]

Binary package hint: firefox-3.0

firefox does not shutdown properly many times. restarting reports that firefox is already working, but there is no firefox on the screen

ProblemType: Crash
Architecture: amd64
Date: Fri Apr 4 22:27:09 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/lib/firefox-3.0b4/firefox
Package: firefox-3.0 3.0~b4+nobinonly-0ubuntu1
PackageArchitecture: amd64
ProcCmdline: /usr/lib/firefox-3.0b4/firefox file:///media/disk/hostnameMBRloader.mht
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_SG.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: firefox-3.0
StacktraceTop:
 ?? () from /usr/lib/xulrunner-1.9b4/libmozjs.so
 JS_CallTracer ()
 ?? () from /usr/lib/xulrunner-1.9b4/libmozjs.so
 JS_CallTracer ()
 ?? () from /usr/lib/xulrunner-1.9b4/libmozjs.so
Title: firefox crashed with SIGSEGV in JS_CallTracer()
Uname: Linux 2.6.24-12-generic x86_64
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev powerdev scanner video