Can you reproduce this crash and attach the crash report found in /var/crash? May be more useful as Sebastian Bacher was not able to grab a useful crash report.
-- [apport] gnome-panel crashed with SIGSEGV https://launchpad.net/bugs/83845 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs