Almost certainly related to ptyxis. I ran ptyxis and it froze the system again. I found the following in the journalctl output:
Jun 27 09:34:17 Z210 systemd[3310]: Started ptyxis-spawn-8129bb98-b139-4827-a001-b2e509727467.scope - [systemd-run] /usr/bin/bash. Jun 27 09:35:26 Z210 kernel: i915 0000:00:02.0: [drm] GPU HANG: ecode 6:1:f5ff7ffc, in ptyxis [51868] Jun 27 09:35:26 Z210 kernel: i915 0000:00:02.0: [drm] GPU error state saved to /sys/class/drm/card1/error Jun 27 09:35:26 Z210 kernel: i915 0000:00:02.0: [drm] GT0: Resetting chip for stopped heartbeat on rcs0 Jun 27 09:35:26 Z210 kernel: i915 0000:00:02.0: [drm] ptyxis[51868] context reset due to GPU hang followed by the record of my hard rebooting the system. -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2158263 Title: GNOME freeze To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2158263/+subscriptions -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
