Reproduced the panic with -44, same stack trace, screenshot attached. Booting the machine back on -40 now.
** Attachment added: "Screenshot from 2015-01-05 16:40:16.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1404558/+attachment/4292566/+files/Screenshot%20from%202015-01-05%2016%3A40%3A16.png -- 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