I've had a PC Specialist Optimus IX (Clevo N850EP6) laptop for a while, dual booting Debian testing (with kernel 4.19) and Windows 10. This laptop has a hybrid graphics system with an integrated Intel UHD 630 and a dedicated NVIDIA GTX 1060 and, while it works pretty well for the most part, there have been several issues regarding power management, freezes (looking at you
lspci!) and other malfunctions.
"Luckily" I am not the only one who has had these issues, so I finally could find a good solution for my case.