I'm able to interact with the system normally using the ctrl-alt-F3 terminal, although none of the methods listed in https://askubuntu.com/questions/455301/how-to-restart-gnome-shell-after- it-became-unresponsive-freeze/496999 properly restart gnome-shell. It seems to be related to graphics.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1752145 Title: system freeze after full screen video viewing with Xorg on ultrawide monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1752145/+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