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Subject: Re: 2.4.18-pre7 slow ... apm problem
From: Thomas Hood <jdthood@mail.com>
To: linux-kernel@vger.kernel.org
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
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Date: 27 Jan 2002 19:15:38 -0500
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> 1) keyboard rate is a bit slow on 2.4.18-pre7 compared to
>    2.4.18-pre6.
> 2) On vmware 3.0, ping localhost is very slow. 2.4.18-pre6
>    has not such problem.
>
> After disabling CONFIG_APM_CPU_IDLE, the system works fast again.
> With pre6 or earlier versions, system works fine though even with
> CONFIG_APM_CPU_IDLE enabled.

Idle handling in the apm driver was modified in 2.4.18-pre7 .
Back to the drawing board ...

Note that you can disable apm idle handling by setting the
apm idle_threshold parameter to 100.  You don't need to
recompile the kernel.



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