Some small good news: Both the Xorg crash and the Wayland crash appear to have the same cause. Both are always preceded by:
kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 and then either Xorg or gnome-shell (for Wayland sessions) crashes. ** Summary changed: - [DisplayLink] Xorg crashes and return to login screen + kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 ... and then the display server crashes ** Package changed: evdi (Ubuntu) => mutter (Ubuntu) ** Changed in: mutter (Ubuntu) Status: Incomplete => New ** Changed in: xorg-server (Ubuntu) Status: Incomplete => New ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1914573 Title: kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 ... and then the display server crashes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1914573/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp