I can confirm MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 reliably makes the problem go away for me.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1968040 Title: Blanked screen doesn't wake up after locking To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1968040/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
