Since Linux X 5.3.0-53-generic it seems that I don't experience the hangs any more, but idle power consumption severely degraded: 5.3.0-51 uses 2/3 of the power that ..-53 uses. It's also worse than on 4.15.
Powertop showing GPU being powered on 100% of the time
Since Linux X 5.3.0-53-generic it seems that I don't experience the hangs any more, but idle power consumption severely degraded: 5.3.0-51 uses 2/3 of the power that ..-53 uses. It's also worse than on 4.15.
Powertop showing GPU being powered on 100% of the time