Possibly related to https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1845823, or https://bugs.launchpad.net/ubuntu/+bug/1845865, maybe even https://bugs.launchpad.net/ubuntu/eoan/+source/mesa/+bug/1841718
Possibly related to https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1845823, or https:/ /bugs.launchpad .net/ubuntu/ +bug/1845865, maybe even https:/ /bugs.launchpad .net/ubuntu/ eoan/+source/ mesa/+bug/ 1841718