Attached the kernel logs (journalctl -b0 -k --until 'May 22 16:31:05', which is when my user login under X began), plus logs for the gdm service as well as the gdm session (which seems to be where most of the actual log activity happens).
Attached the kernel logs (journalctl -b0 -k --until 'May 22 16:31:05', which is when my user login under X began), plus logs for the gdm service as well as the gdm session (which seems to be where most of the actual log activity happens).