Date: Thu, 06 Mar 2008 20:48:23 -0800 From: Nate Lawson <nate@root.org> To: Jim Eberle <jim.eberle@fastnlight.com> Cc: freebsd-acpi@freebsd.org Subject: Re: ichss makes ThinkPad R31 toasty Message-ID: <47D0C917.6020904@root.org> In-Reply-To: <1204845766.1189@thinkpad.local> References: <1204845766.1189@thinkpad.local>
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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
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