Sounds like a page-fault-of-doom scenario. Is it possible to reproduce? And if you can, can you grab a few stacktraces of Xorg and firefox, and also the kernel stacks from /proc/`pidof Xorg`/stack. You will need to use a ssh login.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1117563 Title: X hard lockup in raring, can't even switch VTs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1117563/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
