Firefox crashed on using search engine

[ENargit]

Binary package hint: firefox-3.5

Binary package hint: firefox-3.5

I tried to use embedded google search engine, but after submiting form firefox has crashed without any notice about reason.

Release: Ubuntu 9.10 karmic (development branch)
Firefox Package: 3.5.2+nobinonly-0ubuntu2

ProblemType: Crash
Architecture: i386
Date: Sat Aug 29 09:32:16 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/firefox-3.5.2/firefox
Package: firefox-3.5 3.5.2+nobinonly-0ubuntu2
ProcCmdline: /usr/lib/firefox-3.5.2/firefox
ProcEnviron:
 LANG=ru_UA.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-8.28-generic
Signal: 5
SourcePackage: firefox-3.5
StacktraceTop:
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 ?? () from /usr/lib/libbonoboui-2.so.0
 ?? ()
 ?? ()
 __pthread_mutex_unlock_usercnt ()
Title: firefox crashed with signal 5 in __pthread_mutex_unlock_usercnt()
Uname: Linux 2.6.31-8-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare