Same problem happen to me, minor crash is restart X to gdm, huge crash is lost keyboard and mouse, and must to hard reboot the system.
May 19 19:46:12 wlxpc gnome-session[2108]: Gdk-WARNING: gnome-session: Fatal IO error 11 (资源暂时不可用) on X server :0.#012 May 19 19:46:12 wlxpc acpid: client 1402[0:0] has disconnected May 19 19:46:12 wlxpc acpid: client 1402[0:0] has disconnected May 19 19:46:12 wlxpc acpid: client connected from 8190[0:0] May 19 19:46:12 wlxpc acpid: 1 client rule loaded May 19 19:46:13 wlxpc acpid: client connected from 8190[0:0] May 19 19:46:13 wlxpc acpid: 1 client rule loaded -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/999191 Title: X crashes with gnome-session: Fatal IO error 11 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/999191/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
