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Date:      Sat, 5 Jan 2013 12:49:46 -0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        Johan Broman <je.broman@gmail.com>
Cc:        freebsd-acpi@freebsd.org, freebsd-stable@freebsd.org, Jung-uk Kim <jkim@freebsd.org>
Subject:   Re: load average 0.60 at 100% idle
Message-ID:  <CAJ-Vmo=TChT8x=ToxWdKiVj-HWJt9KgszQ0piosv=DrPmFB1Lg@mail.gmail.com>
In-Reply-To: <CAFdmEo7rpcNSee_uQNd8rZWtsfrNys%2B9B0P-tLY=JHK3Qk9Rkg@mail.gmail.com>
References:  <CAFdmEo7rpcNSee_uQNd8rZWtsfrNys%2B9B0P-tLY=JHK3Qk9Rkg@mail.gmail.com>

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Cc'ing the committer / ACPI owner!

jkim - any comments?



Adrian

On 5 January 2013 12:38, Johan Broman <je.broman@gmail.com> wrote:
> Hi!
>
> Bare with me here as I'm totally new to FreeBSD (like 2 weeks).
>
> From what I understand, there is a change in FreeBSD 9.1 ACPI code
> that makes detection of devices happen earlier? This can result in
> eventtimer irqs being shared with another device and can therefor
> throw off tools reporting load avg values (they report constantly
> around 0.60 in load). I guess there were good reasons for making the
> ACPI change, so is this a ACPI problem or should the code around the
> tools, such as top, change? This is a 9.1 "regression" as the problem
> is not there in FreeBSD 9.0.
>
> Here's some more info on the bug and possible workarounds:
>
> http://www.freebsd.org/cgi/query-pr.cgi?pr=173541&cat=
>
> and
>
> http://lists.freebsd.org/pipermail/freebsd-stable/2012-April/067382.html
>
> Any input on this would be greatly appreciated.
>
> Thanks
> Johan
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