MUTTER_DEBUG_DISABLE_TRIPLE_BUFFERING=1 can still reproduce the issue. MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 gdm3 can't up successfully.
MUTTER_ DEBUG_DISABLE_ TRIPLE_ BUFFERING= 1 can still reproduce the issue. DEBUG_ENABLE_ ATOMIC_ KMS=0 gdm3 can't up successfully.
MUTTER_