I experienced this crash today. Looking at dmesg the only suspicious line I found was this one:
[397641.528873] traps: gnome-shell[11133] general protection ip:7f5498d62de2 sp:7ffdd8da76f0 error:0 in libgobject-2.0.so.0.5400.1[7f5498d2d000+52000] -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1731911 Title: Xwayland crashed with SIGABRT in OsAbort() from AbortServer() from FatalError() from xwl_read_events() from ospoll_wait() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1731911/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
