Public bug reported: here are the last 3 lines transcribed from the console .
[ 85.544531] CR2 0000000000080 [ 85.544531] Kernel panic - not syncing: Fatal exception in interrupt [ 85.544531] panic occurred, switching back to text console Ubuntu 12.10 amd64 desktop with kernel 3.5.0-x 3.4.0 series does NOT panic . no logging was done since when the kernel panics the system is immediately dead . the panics may occur during boot , after login to the desktop , after opening an application , completely random . ** Affects: linux (Ubuntu) Importance: Undecided Status: Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1027322 Title: kernel panics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1027322/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs