Thanks Scott. This still sounds like an Nvidia-specific crash. Please try following all the steps detailed in comment #2.
** Changed in: gdm3 (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1806165 Title: [nvidia] Ubuntu 18.10 I get logged off on resume from suspend - Unregistered Authentication Agent for unix-session To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1806165/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs