It only started after the upgrade. The last kernel I ran which worked perfectly fine was kernel 3.13.0-83-generic:i386. The bug seems to not be present with the 4.5 kernel, though I've only done minor testing.
** Tags added: kernel-fixed-upstream ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1562510 Title: Crash on Thinkpad T420s when battery goes low To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1562510/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs