Comment 19 for bug 372103

I have the exact same issue here - Ubuntu 9.04-amd64 with firefox "3.0.10+nobinonly-0ubuntu0.9.04.1". For me, it crashes immediately after startup when I right-click on any item in the bookmarks toolbar.

Backtrace from the core file looks like this:
#0 0x00007fece830df3b in raise () from /lib/libpthread.so.0
#1 0x00007fece5dad647 in ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#2 <signal handler called>
#3 0x00007fece765f6a0 in strcmp () from /lib/libc.so.6
#4 0x00007fece64740ce in ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#5 0x00007fece6535604 in NS_InvokeByIndex_P () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#6 0x00007fece5dcfe91 in ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#7 0x00007fece5dd7c21 in ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#8 0x00007fece7379074 in js_Invoke () from /usr/lib/xulrunner-1.9.0.10/libmozjs.so
#9 0x00007fece736be17 in ?? () from /usr/lib/xulrunner-1.9.0.10/libmozjs.so
#10 0x00007fece73790bb in js_Invoke () from /usr/lib/xulrunner-1.9.0.10/libmozjs.so
#11 0x00007fece5dcd3f3 in ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#12 0x00007fece65361f1 in ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#13 0x00007fece653569f in ?? () from /usr/lib/xulrunner-1.9.0.10/libxul.so
#14 0x000000000265ea30 in ?? ()
#15 0x0000000002867670 in ?? ()
#16 0x00007ffff0732ff8 in ?? ()
#17 0x00007ffff0732fe0 in ?? ()
#18 0x0000000001a17a90 in ?? ()
#19 0x0000000000000000 in ?? ()

Corefile is about 6 MB compresssed, will try to attach it.