[Bug 204807] Hardware monitoring sensor nct6798d doesn't work unless acpi_enforce_resources=lax is enabled

bugzilla-daemon
2022-11-01T20:59:08Z

--- Comment #265 from Denis Pauk (pauk.denis@gmail.com) ---
(In reply to zykr.caswell from comment #264)
> Created attachment 303116 [details]
> DSDT - X99-E-WS-USB3 - Decompiled
>
> Same or similar issue with X99-E WS/USB 3.1:
>
> nct6775: Found NCT6791D or compatible chip at 0x2e:0x290
> ACPI Warning: SystemIO range 0x0000000000000295-0x0000000000000296 conflicts
> with OpRegion 0x0000000000000290-0x0000000000000299 (\_GPE.HWM)
> (20200925/utaddress-204)
>
> I've been trying to make sense of the DSDT by reading the ACPI spec, but I'm
> not having a lot success. Built kernels 5.10, 5.19, 6.0.2, 6.03, and several
> different versions of nct6775 driver for each including "Asus WMI for
> nct6775 v5.20 base (2022.10.20)", both in tree and as a custom DKMS module
> to no effect.
>
> I'm rather reluctant to actually try using acpi_enforce_resourses=lax, so I
> don't know for sure if that would make it work or not. I've attached my DSDT
> as pulled from the latest BIOS update for my board from ASUS. Could someone
> take a look and confirm for me that I likely have this same problem?

Could you please apply patch and add line with you board and recheck? Change
should be like "DMI_MATCH_ASUS_WMI_BOARD("<You board name>",
&acpi_board_LPCB_MUTEX)," near "MAXIMUS VII HERO" definition.

Name board should be from /sys/class/dmi/id/board_name.