I was previously seeing this problem; I've now upgraded to 3.1.0-46 and am seeing a similar, but slightly different, panic (see attached)
** Attachment added: "dmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1404558/+attachment/4329425/+files/dmesg.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1404558 Title: IPv6 related kernel panic following upgrade to 3.13.0-43 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1404558/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs