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Date:      Mon, 17 Mar 2008 19:04:00 +0000
From:      "Igor Mozolevsky" <igor@hybrid-lab.co.uk>
To:        "Kevin Oberman" <oberman@es.net>
Cc:        Poul-Henning Kamp <phk@phk.freebsd.dk>, current@freebsd.org
Subject:   Re: Enhanced SpeedStep hosed in -current ?
Message-ID:  <a2b6592c0803171204q2feb253bo7529540f27f7470@mail.gmail.com>
In-Reply-To: <20080317173026.9A6F44500F@ptavv.es.net>
References:  <a2b6592c0803162055p54ac4f28pfca352470e8a569c@mail.gmail.com> <20080317173026.9A6F44500F@ptavv.es.net>

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On 17/03/2008, Kevin Oberman <oberman@es.net> wrote:
> > Date: Mon, 17 Mar 2008 03:55:04 +0000
>
> > From: "Igor Mozolevsky" <igor@hybrid-lab.co.uk>
>
> > Sender: mozolevsky@gmail.com
>
> >
>  > On 17/03/2008, Kevin Oberman <oberman@es.net> wrote:
>  > > > Date: Mon, 17 Mar 2008 02:43:19 +0000
>  > >  > From: "Igor Mozolevsky" <igor@hybrid-lab.co.uk>
>  > >  > Sender: owner-freebsd-current@freebsd.org
>  > >
>  > > >
>  > >  > On 16/03/2008, Poul-Henning Kamp <phk@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)...
>
>
> I have not had any lapic problems to date. I am still running a kernel
>  from Feb. 14, so I have not yeat updated to the on that gave you
>  problems. In addition, sine I always run without cpufreq, I hope to not
>  see it today.
>
>  I was just reporting that the T43 ran fine without cpufreq including
>  providing the fill array of CPU speeds and resetting the top speed to
>  800 MHz when on battery. Powerd works just fine in this configuration as
>  does the Gnome Frequency Scaling Monitor and the x86info monitor plug-in
>  for gkrellm.

I'll try a full build (as opposed to booting up and checking for lapic
problems) with my script w/o cpufreq and see how that goes...

Cheers,
Igor :-)



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