I my particular case crashed opening new tab, but happens randomly, i think.
** Attachment added: "Crash Report" http://librarian.launchpad.net/4947643/_usr_lib_firefox_firefox-bin.1000.crash -- Firefox randomly crashes https://launchpad.net/bugs/48772 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
