ichss makes ThinkPad R31 toasty

[Nate Lawson]

Jim Eberle wrote:
> I recently upgraded the BIOS (famous last words) on my ThinkPad R31.
> I've been running FreeBSD 7.0RC3 on it for several months now. I had
> noticed before the BIOS upgrade, that under high workloads the machine
> would slow to a crawl. That is in fact why I did the upgrade. I thought
> the BIOS was flaky or out of sync w/ what FreeBSD expected.
> 
> After the BIOS upgrade I noticed a new driver was loading: ichss.
> Unfortunately, the machine now behaves like it had in the past under
> high workload all the time. Just booting sends the temperature up to 90C
> (formerly 57C), starts the fan on high, and cuts performance to 70%.
> 
> Either the temperature readings are wrong (unlikely), or simply enabling
> SpeedStep ICH is making the machine into a toaster. :)

Try running powerd(8):
echo 'powerd_enable=YES' >> /etc/rc.conf

-- 
Nate