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

bugzilla-daemon
2021-04-15T09:30:08Z

--- Comment #68 from myhateisblind@hotmail.com ---
I use it for that, and had no problem... yet.

15 abr. 2021 11:27:55 bugzilla-daemon@bugzilla.kernel.org:

> https://bugzilla.kernel.org/show_bug.cgi?id=204807
>
> --- Comment #67 from Artem S. Tashkinov (aros@gmx.com) ---
> (In reply to Hans de Goede from comment #64)
>>
>> Matthew rightly advises against using "acpi_enforce_resources=lax" because
>> that opens races between the firmware and Linux which could result in
>> writing to another superIO register then intended. This can definitely lead
>> to e.g. stopping the fans even though the CPU is running hot, which is not
>> good but all modern CPUs have builtin overtemp protection, so at the worst
>> the system will simply shutdown (1).
>>
>
> Multiple users use acpi_enforce_resources=lax and I haven't seen a single
> report that it's ever broken anything.
>
> AFAIK no one has used this hack to control fans using PWM, so that might
> indeed
> lead to unintended consequences.
>
> --
> You may reply to this email to add a comment.
>
> You are receiving this mail because:
> You are on the CC list for the bug.