Ubuntu
nvidia-graphics-drivers-410 package

  1. Bug #1803179
  2. Comment #44

Comment 44 for bug 1803179

Revision history for this message
In , peter (peter-linux-kernel-bugs) wrote :

(In reply to Bruno Pagani from comment #35)
> Created attachment 255035 [details]
> acpidump for HP zBook Studio G3
>
> I’m attaching acpidump for HP zBook Studio G3. Things are likely happening
> in the SSDT3 table, but can’t understand what is the problem. Maybe
> something around that PEGS function…

PEGS only reads from an address (should not have side-effects). The problem is in PGON where the "LKEN" function is somehow problematic and the fallback ACPI code (_OSI="Windows 2009" for your model) avoids the issue.
(BTW, I have another friend with same laptop, that workaround worked for him.)