firefox crashes again and again, after 5-20 minutes

[Coren]

Binary package hint: firefox

It can crashes quite easily if you use the search toolbar, after typing 6 or 7 letters.

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Thu Feb 11 18:30:03 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/lib/firefox-3.6/firefox-bin
InstallationMedia: Kubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100112.3)
NonfreeKernelModules: nvidia
Package: firefox 3.6+nobinonly-0ubuntu1
ProcCmdline: /usr/lib/firefox-3.6/firefox-bin http://svn.services.openoffice.org/opengrok/xref/DEV300_m71/sw/source/ui/docvw/postit.cxx
ProcEnviron:
 LANGUAGE=fr_FR.utf8
 PATH=(custom, user)
 LANG=fr_FR.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-12.17-generic
SegvAnalysis: Skipped: missing required field "Disassembly"
Signal: 11
SourcePackage: firefox
Uname: Linux 2.6.32-12-generic i686
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare

[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 #512817, 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.