On Wed, 14 Sep 2022, Anders Blomdell wrote: > > I think I know what is going on here. Can you please confirm that you > > have the CONFIG_SERIAL_8250_16550A_VARIANTS option disabled (default to > > "off" for x86 only)? That would explain things. > Just found that myself while going through the initializaton sequence (while > now knowing what to look for) > > Thats what you get for choosing Fedora ;-) May I suggest that as a person directly affected you file a defect with the distribution? I think a distribution kernel should in principle have all the reasonable features enabled for the hardware handled. Maciej