Re: Enhanced SpeedStep hosed in -current ?

On 17/03/2008, Kevin Oberman <oberman_at_es.net> wrote:
> > Date: Mon, 17 Mar 2008 02:43:19 +0000
>  > From: "Igor Mozolevsky" <igor_at_hybrid-lab.co.uk>
>  > Sender: owner-freebsd-current_at_freebsd.org
>
> >
>  > On 16/03/2008, Poul-Henning Kamp <phk_at_phk.freebsd.dk> wrote:
>  > >
>  > >  It looks like my laptop runs full speed at all times, no matter what
>  > >  powerd or I may desire.
>  > >
>  > >  Looks like the EST driver is (suddenly ?) not happy about the system.
>  >
>  > I thought that this could've been related to the lapic frequency
>  > madness I was seeing in RELENG_7 on my T43p, so I axed cpufreq from
>  > kernel config, and the problem's gone... So, it does seem like
>  > something is not quite in cpufreq > RELENG_7_0...
>
>
> My experience with my T43 (not T43p) is that it does not play well with
>  cpufreq. This is not new to 7-Stable. I have been seeing it since the
>  system was new, just over 2 years ago. I always build my kernel without
>  it.

I'm not having lapic issues (or any others, AFAIKT) on my T43p w/
RELENG_7_0 but RELENG_7 makes it really sluggish w/ cpufreq compiled
in (perl timing tests fail as well)...


Cheers,
Igor