Oh, actually this might be a mutter bug or even a kernel bug related to this:
https://gitlab.gnome.org/GNOME/mutter/-/issues/182 ** Bug watch added: gitlab.gnome.org/GNOME/mutter/-/issues #182 https://gitlab.gnome.org/GNOME/mutter/-/issues/182 ** Changed in: mutter (Ubuntu) Status: Incomplete => New ** Changed in: xorg-server (Ubuntu) Status: Incomplete => 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/1871394 Title: modeset: Loss of VGA signal (ast2500) on login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1871394/+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