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Date:      Tue, 18 Mar 2008 11:34:59 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        Igor Mozolevsky <igor@hybrid-lab.co.uk>
Subject:   Re: Compiling 6.3->7: lapic frequency madness
Message-ID:  <200803181134.59757.jhb@freebsd.org>
In-Reply-To: <a2b6592c0803151921rdc78b37reea65fef221ca153@mail.gmail.com>
References:  <a2b6592c0803151921rdc78b37reea65fef221ca153@mail.gmail.com>

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On Saturday 15 March 2008 10:21:23 pm Igor Mozolevsky wrote:
> Ok,
> so I've been trying to figure out (on my T43p) why my lapic frequency
> is being ~3x the difference between Release-7 CD and RELENG_7 cvs... I
> get, after verbose booting:
>
> lapic: Divisor 2, Frequency 66504853 hz
>
> with the ISO image; and
>
> lapic: Divisor 2, Frequency 188430051 hz
>
> consistently +/- small % variation...
>
> I'm compiling w/ GENERIC w/o CFLAGS/COPTFLAGS, etc... The response is
> sluggish as a result of that, and perl fails timing tests... I've run
> out of things to experiment with; has anything changed in the kernel
> wrt lapic? If not, HELP!

First, which one is broken?  Have you tried a RELENG_7_0 kernel and does it do 
the same as a release CD kernel?

-- 
John Baldwin



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