Date: Sun, 12 Jun 2022 16:39:28 +0100 From: Nuno Teixeira <eduardo@freebsd.org> To: Masachika ISHIZUKA <ish@amail.plala.or.jp> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: dmesg: ACPI Warning: Firmware issue warning spaming Message-ID: <CAFDf7U%2B-pOz_Fw6zF3m2QdA=KGArME0f-G_ZaiUuRmCHwJ%2B86A@mail.gmail.com> In-Reply-To: <20220612.170203.1570364119618551543.ish@amail.plala.or.jp> References: <CAFDf7U%2BHP1nOFRjBnO-EcgK9Nrw6PwC5GTaSGQPJenhe9etFbw@mail.gmail.com> <20220612.170203.1570364119618551543.ish@amail.plala.or.jp>
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[-- Attachment #1 --]
What do you think opening a review about this fix/tweak to stop this
spamming that blinds dmesg?
Masachika ISHIZUKA <ish@amail.plala.or.jp> escreveu no dia domingo,
12/06/2022 à(s) 09:03:
> > 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?
>
> Hi.
>
> I think these messages are only informational and make them easier
> to miss more important messages.
> My old machine's ACPI bios is worked at 20msec, so I did patch to
> /usr/src/sys/contrib/dev/acpica/components/executer/exsystem.c like below.
>
> % diff -ruN exsystem.c.orig exsystem.c
> --- exsystem.c.orig 2022-04-03 07:18:33.339997000 +0900
> +++ exsystem.c 2022-04-26 19:13:06.814856000 +0900
> @@ -342,10 +342,10 @@
> * Warn users about excessive sleep times, so ASL code can be
> improved to
> * use polling or similar techniques.
> */
> - if (HowLongMs > 10)
> + if (HowLongMs > 20)
> {
> ACPI_WARNING ((AE_INFO,
> - "Firmware issue: Excessive sleep time (0x%8.8X%8.8X ms > 10
> ms)"
> + "Firmware issue: Excessive sleep time (0x%8.8X%8.8X ms > 20
> ms)"
> " in ACPI Control Method",
> ACPI_FORMAT_UINT64 (HowLongMs)));
> }
> --
> Masachika ISHIZUKA
>
>
[-- Attachment #2 --]
<div dir="ltr">What do you think opening a review about this fix/tweak to stop this spamming that blinds dmesg?<br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Masachika ISHIZUKA <<a href="mailto:ish@amail.plala.or.jp">ish@amail.plala.or.jp</a>> escreveu no dia domingo, 12/06/2022 à(s) 09:03:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">> I'm running CURRENT 8d95f500521 and I'm receiving loads of dmesg warnings:<br>
> ---<br>
> ACPI Warning: Firmware issue: Excessive sleep time (0x0000000000000010 ms ><br>
> 10 ms) in ACPI Control Method (20220331/exsystem-347)<br>
> ---<br>
> Is there a way to silence it?<br>
<br>
Hi.<br>
<br>
I think these messages are only informational and make them easier<br>
to miss more important messages.<br>
My old machine's ACPI bios is worked at 20msec, so I did patch to<br>
/usr/src/sys/contrib/dev/acpica/components/executer/exsystem.c like below.<br>
<br>
% diff -ruN exsystem.c.orig exsystem.c<br>
--- exsystem.c.orig 2022-04-03 07:18:33.339997000 +0900<br>
+++ exsystem.c 2022-04-26 19:13:06.814856000 +0900<br>
@@ -342,10 +342,10 @@<br>
* Warn users about excessive sleep times, so ASL code can be improved to<br>
* use polling or similar techniques.<br>
*/<br>
- if (HowLongMs > 10)<br>
+ if (HowLongMs > 20)<br>
{<br>
ACPI_WARNING ((AE_INFO,<br>
- "Firmware issue: Excessive sleep time (0x%8.8X%8.8X ms > 10 ms)"<br>
+ "Firmware issue: Excessive sleep time (0x%8.8X%8.8X ms > 20 ms)"<br>
" in ACPI Control Method",<br>
ACPI_FORMAT_UINT64 (HowLongMs)));<br>
}<br>
-- <br>
Masachika ISHIZUKA<br>
<br>
</blockquote></div>
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