Hi, Daniel I performed next changes: 1. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash drm.debug=0xff" 2. Add to /etc/environment: MUTTER_DEBUG=kms
** Attachment added: "journal.txt" https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1968040/+attachment/5664106/+files/journal.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
