I believe I just had this happen, though there was a reboot and kernel switch (bug #1988989...) in between before and after.
gnome-shell was also topping out CPU. Maybe this helps. ** Attachment added: "before.txt" https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1968040/+attachment/5650275/+files/before.txt -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1968040 Title: Blanked screen doesn't wake up after locking [drmModeAtomicCommit: Argument invalide] [drmModeAtomicCommit: Invalid argument] To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1968040/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
