Re: dmesg: ACPI Warning: Firmware issue warning spaming

From: Jung-uk Kim <jkim_at_FreeBSD.org>
Date: Tue, 14 Jun 2022 01:33:42 UTC
On 22. 6. 13., Jung-uk Kim wrote:
> On 22. 6. 13., Jung-uk Kim wrote:
>> On 22. 6. 13., Masachika ISHIZUKA wrote:
>>>> What do you think opening a review about this fix/tweak to stop this
>>>> spamming that blinds dmesg?
>>>>
>>>>>> I'm running CURRENT 8d95f500521 and I'm receiving loads of dmesg
>>>>> warnings:
>>>>>> ---
>>>>>> ACPI Warning: Firmware issue: Excessive sleep time 
>>>>>> (0x0000000000000010
>>>>> ms >
>>>>>> 10 ms) in ACPI Control Method (20220331/exsystem-347)
>>>>>> ---
>>>>>> Is there a way to silence it?
>>>
>>>    I think this spam message is from linux.
>>>    So, I think we should discuss on linux forum but I don't familier
>>> to linux.
>>
>> FYI, both FreeBSD and Linux use ACPICA to implement ACPI.
>>
>> https://acpica.org
>>
>> This message was added by this commit:
>>
>> https://github.com/acpica/acpica/commit/2a0d1d475e7ea1c815bee1e0692d81db9a7c909c 
>>
>>
>> You can file your complaints here if it is really bothering you.
>>
>> https://github.com/acpica/acpica/issues
> 
> BTW, it seems it was discussed on Linux ML.
> 
> https://lore.kernel.org/lkml/CAJZ5v0gWYZ_BSonhLGT7L4wPQvXLVyobPptE1Nx6PoNSGn4yXg@mail.gmail.com/T/#mae6a816bbcebb01dea9e5c19c81e9be872cad521 
> 
> 
> I am not sure what happened after that.

I found the author actually filed a pull request to revert the commit.

https://github.com/acpica/acpica/pull/780

Jung-uk Kim