Subsequent attempts to boot the 5.8.0-28-generic kernel exhibited GPFs and at least one full kernel panic, screenshot of that is attached. Ubuntu kernel version 5.4.0-52-generic remains the only stable option at the moment.
Subsequent attempts to boot the 5.8.0-28-generic kernel exhibited GPFs and at least one full kernel panic, screenshot of that is attached. Ubuntu kernel version 5.4.0-52-generic remains the only stable option at the moment.