> > I installed plane 5.16-rc1 using pre-built image[1] by linux-mainline > aur package[2] maintainer and 5.16-rc1 with the patch provided from > Mark. Both versions succeeded to boot. Thank you for quick > investigation. I'll wait for backporting the fix. So vanilla 5.16-rc1 works correctly on your machine, without any other patch? If so, I don't know what fixed it. Someone with the right HW should try and identify the fix so that we can backport it. Thanks, M. -- Without deviation from the norm, progress is not possible.