I have the same problem with an asus P5N32-E sli in kubuntu 11.04 and to kubuntu 11.10. Yesterday i have upgrade to 11.10 and the problem still exist with the new kernel 3.0.9 There is a same bug report here
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/794702 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/791089 Title: crash after rebooting or shutting down from Ubuntu 11.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/791089/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs