Ubuntu 22.10 on an Intel/Nvidia hybrid with driver 515 and MUTTER_DEBUG_FORCE_KMS_MODE=simple set is working for me. So it sounds like your oibaf PPA is the problem.
Please remove all PPAs from the machine, reboot, and then open new bugs for any issues you encounter. ** Package changed: mutter (Ubuntu) => ubuntu ** Changed in: ubuntu Status: Incomplete => Invalid -- 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/1994000 Title: Can't log in anymore after setting MUTTER_DEBUG_FORCE_KMS_MODE=simple To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1994000/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs