Just fell over the same problem during reviving my ancient cubieboard 1 and Armbian community build "Armbian_community_25.2.0-trunk.195_Cubieboard_bookworm_current_6.6.62_minimal": around 10% cpu load of kworker events_freezable_power. I have tried mikhailai's solution but the issue remained. I then checked that the A10 has a "thermal_zone1", too. So I also disabled it and the load was gone. So the solution is correct, but not complete at least for the A10 based cubieboard 1.