Mh reading the report in your mentioned bug I see that bug should be fixed already in 5.4.0-42 and 5.4.x This is not what I observe. The newest I have been testing was 5.5.18 mainline from ubuntu. Also I didn't have this issue in older 19.10/18.04 - but there I did have a much higher power consuption due to missing rc6 states. Do they fixed that by reverting this power saving? Hope that is not a "either or" thing. Before doing a test let me do a backup first ....
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