Dan Ritter <dsr@randomstring.org> writes: > Richmond wrote: >> Looks like this bug: >> >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1798921 > > Could be. > > In which case, this will be solved in the new Stable, most > likely out in May or June. > > You could try a backports kernel before that. > I tried kernels 5.9 and 5.10 but neither cured it. So perhaps I should report it as a bug in debian?