Yeah, this is happening on mainline as well. I posted this bug https://bugzilla.kernel.org/show_bug.cgi?id=72191
which I think might well be related to this hibernate problem. ** Bug watch added: Linux Kernel Bug Tracker #72191 http://bugzilla.kernel.org/show_bug.cgi?id=72191 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1289945 Title: [LENOVO T440s 20ARS0BH00] hibernate/resume failure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1289945/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs