Seems to be related to 1813831 and 1813543 - the same reproduction scenario.
** Package changed: kernel-package (Ubuntu) => ubuntu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1813907 Title: Kubuntu freezes due to "unable to handle kernel NULL pointer" when moving to Screen Energy Saving To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1813907/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
