ThinkPad x61s

[Kevin Oberman]

> Date: Sat, 08 Mar 2008 18:06:11 -0800
> From: "Kevin Oberman" <oberman at es.net>
> Sender: owner-freebsd-mobile at freebsd.org
> 
> > Date: Sat, 8 Mar 2008 00:33:40 +0100
> > From: Guy Brand <gb at isis.u-strasbg.fr>
> > Sender: owner-freebsd-mobile at freebsd.org
> > 
> > Dan Langille (dan at langille.org) on 04/03/2008 at 07:34 wrote:
> > 
> > > Are you running FreeBSD on a ThinkPad x61s?  Details please...
> > 
> > I do.
> > 
> > FreeBSD FreeBSD 8.0-CURRENT #58: Sun Mar  2 17:36:43 CET 2008
> > snd_hda, acpi_ibm, if_wpi for hardware specific support. Xorg
> > 7.3 working out of the box. cpufreq behaves strangely going
> > from AC power to battery mode and back, so I removed it from
> > the kernel config. Fan and thermal controls are fine. 6-cell
> > battery provides ca. 260 mn of work time.
> 
> My experience is that you want to remove cpufreq on any newer
> ThinkPad. My T43 "works" with CPUFREQ, but behaves very strangely.
> Without it I see:
> dev.cpu.0.freq_levels: 2000/27000 1750/23625 1600/22600 1400/19775 1333/19666 1166/17207 1066/16733 932/14641 800/13800 700/12075 600/10350 500/8625 400/6900 300/5175 200/3450 100/1725
> 
> Without it, I no longer see any energy values (all show '0') and going
  ^^^^^^^^^^---With it, (Sorry!)
> on/off battery sometimes does not switch powerd properly. Also the
> system will automatically drop the maximum speed to 800 MHz when on
> battery. 
> 
> This all happens without cpufreq.
> -- 
> R. Kevin Oberman, Network Engineer
> Energy Sciences Network (ESnet)
> Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
> E-mail: oberman at es.net			Phone: +1 510 486-8634
> Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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