I am also experiencing it in 20.04, but I do not think it is a match with this bug. I have never noticed it on 16.04 on the same HW for 5 years. Since upgrade it happens from time to time. NVidia binary drivers in use, both before and now.
I am also experiencing it in 20.04, but I do not think it is a match with this bug. I have never noticed it on 16.04 on the same HW for 5 years. Since upgrade it happens from time to time. NVidia binary drivers in use, both before and now.