From owner-freebsd-questions  Wed Jan 30  8:58:56 2002
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Date: Wed, 30 Jan 2002 17:58:46 +0100 (CET)
From: =?iso-8859-1?q?m=20p?= <sumirati@yahoo.de>
Subject: Re: Microuptime() went backwards
To: einbecker@gmx.net
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Tobias Lange wrote:
> 
> Hi!
> 
> > Have you enable APM in your kernel?
> 
> I am using a slightly modified GENERIC, and i haven't changed anything in
> there. But, I found the following line in the kernel-config-file:
> 
> device          apm0    at nexus? disable flags 0x20 # Advanced Power 
> Management
> 
> If I comment this line out, that should turn APM off, right?

Yes, this is the line which enable/disables APM. Comment it out and build a new
kernel. After that it should work.

> 
> > In the past there was trouble with
> > microuptime(), APM and one of the x86 architecture processors (IIRC AMD ...
> > but not for sure).
> 
> Hm - I AM using an AMD Athlon - so that might be the reason. Thanks a lot -
> I'll see if it works.

If you are searching for more information: in the mailinglist archives about
half a year ago (for a maximum) was a comprehensive discussion about why and
how this problem exists.

Marc

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