I have attached the logs generated from running valgrind. I have been unable to recreate the crash though.
** Attachment added: "valgrind-logs-gnome-panel" http://librarian.launchpad.net/6882631/valgrind-logs-gnome-panel.tar.gz -- [apport] gnome-panel crashed with SIGSEGV when removing a usb hard drive https://launchpad.net/bugs/91963 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs