Thanks. It seems very clearly to be a kernel bug. I'm personally curious what the "disk decryption/login screen" looks like. It wouldn't usually exist anymore after boot completes, but this might just be a consequence of using lightdm over gdm. Perhaps plymouthd is still running.
** Tags added: regression-release -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2152124 Title: Sudden loss of session (back to login/initramfs screen) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2152124/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
