I downloaded and installed the packages from https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8-rc4/amd64/ and tested 5.8.0-050800-generic #202007052030. I could not reproduce the problem in this version.
I downloaded and installed the packages from https:/ /kernel. ubuntu. com/~kernel- ppa/mainline/ v5.8-rc4/ amd64/ and tested 5.8.0-050800- generic #202007052030. I could not reproduce the problem in this version.