Here, it does not appear to recover (at least not after several minutes). I attacht the output of dmesg.
** Attachment added: "output from dmesg" http://librarian.launchpad.net/6608935/dmesg -- system locking up (forcing a hard reboot) https://launchpad.net/bugs/89362 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs