When booting to 5.4.0-59-generic #65-Ubuntu SMP everything works fine. I therefore guess that this bug was newly introduced between 5.4.0-59 and 5.8.0-40.
When booting to 5.4.0-59-generic #65-Ubuntu SMP everything works fine. I therefore guess that this bug was newly introduced between 5.4.0-59 and 5.8.0-40.