Sounds like an api incompatibility, although difficult to say from the limited backtrace. Refiling against -nvidia
** Package changed: xorg (Ubuntu) => nvidia-graphics-drivers-180 (Ubuntu) -- X server random crash with no activity https://bugs.launchpad.net/bugs/409944 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
