Please try logging into "Ubuntu on Wayland" from the login screen and tell us if that avoids the problem.
** Tags added: amdgpu ** Package changed: xorg (Ubuntu) => mutter (Ubuntu) ** Summary changed: - Black screen after screen lock + [amdgpu] Black screen after screen lock -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1871475 Title: [amdgpu] Black screen after screen lock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1871475/+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