Please check for crashes using these instructions: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment
But regardless of the outcome there, this is probably an Nvidia driver bug. ** Summary changed: - Xorg freezes after suspend + [nvidia] Xorg freezes after suspend ** Tags added: nvidia ** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-450 (Ubuntu) ** Changed in: nvidia-graphics-drivers-450 (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/1912953 Title: [nvidia] Xorg freezes after suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-450/+bug/1912953/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs