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Date:      Tue, 18 Mar 2008 17:53:15 +1100
From:      Peter Jeremy <peterjeremy@optushome.com.au>
To:        John Baldwin <jhb@freebsd.org>
Cc:        cvs-src@freebsd.org, Poul-Henning Kamp <phk@phk.freebsd.dk>, src-committers@freebsd.org, cvs-all@freebsd.org
Subject:   Re: cvs commit: src/sys/i386/cpufreq est.c
Message-ID:  <20080318065315.GR44676@server.vk2pj.dyndns.org>
In-Reply-To: <200803171317.15812.jhb@freebsd.org>
References:  <4578.1205772826@critter.freebsd.dk> <200803171317.15812.jhb@freebsd.org>

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On Mon, Mar 17, 2008 at 01:17:15PM -0400, John Baldwin wrote:
>On Monday 17 March 2008 12:53:46 pm Poul-Henning Kamp wrote:
>>=20
>> >You have servers that default to half-speed when not on battery?  That =
is=20
>very=20
>> >odd, but you can just run powerd [...]
>>=20
>> Yes, but you need to know that you should run powerd in the first place.
>
>Err, I would just always run it.  You are now saying that laptops have to =
run=20
>powerd to avoid full-speed CPUs on boot (even though the BIOS throttles it=
=20
>down for you) but you can't run powerd on the server?

In general, I agree that powerd should be enabled but actually
implementing this may have some adverse side-effects.  I know using
acpi_throttle with powerd on my HP nx6125 causes it to wedge randomly.

--=20
Peter Jeremy
Please excuse any delays as the result of my ISP's inability to implement
an MTA that is either RFC2821-compliant or matches their claimed behaviour.

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