I have the same error displaying at startup of installed Ubuntu 22.04.
My system configuration : AMD Ryzen 7 5700X + NVIDIA® GeForce® RTX 3070 Tested with Proprietary drivers (520 & 515) and open one (520).
This message also appears when starting live Ubuntu (20.04 & 22.04) on a flash drive.
I have the same error displaying at startup of installed Ubuntu 22.04.
My system configuration :
AMD Ryzen 7 5700X + NVIDIA® GeForce® RTX 3070
Tested with Proprietary drivers (520 & 515) and open one (520).
This message also appears when starting live Ubuntu (20.04 & 22.04) on a flash drive.