Failed to lock front buffer on /dev/dri/card1: drmModeAddFB failed: Object is remote
Environment: GPU0: 00:02.0 Display controller [0380] Intel Corporation Device [8086:a780] GPU1: 03:00.0 VGA compatible controller [0300]: Intel Corporation Device [8086:56b1] Wayland on Ubuntu 22.04 and 23.04
Affected version
mutter-common 42.5-0ubuntu1 gnome-shell 42.5-0ubuntu1 gnome-shell 44.3-0ubuntu1 mutter-common 44.3-0ubuntu1
This issue appear in Wayland only, XOrg works fine.
Bug summary
Gnome shows well on GPU1 (Intel dGPU A40) always. when connect DP port to GPU0 (Intel iGPU A770), the screen of iGPU is frozen. The screen of dGPU is good.
logs show: gnome-shell[1599]: Failed to lock front buffer on /dev/dri/card1: drmModeAddFB failed: Object is remote
mutter log attached.mutter-dbg-6.5-rc7.log