Date: Wed, 5 May 2004 17:12:27 +0200 From: Bruno Ducrot <ducrot@poupinou.org> To: christian uhrhan <christian.uhrhan@gmx.de> Cc: freebsd-acpi@freebsd.org Subject: Re: ACPI is not working Message-ID: <20040505151227.GA7767@poupinou.org> In-Reply-To: <20040504222314.O32088@root.org> References: <5484.1083702760@www30.gmx.net> <20040504160833.I30235@root.org> <20040505001052.GA39901@secretcore.dyndns.org> <20040504222314.O32088@root.org>
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On Tue, May 04, 2004 at 10:25:08PM -0700, Nate Lawson wrote: > On Wed, 5 May 2004, christian uhrhan wrote: > > Hi, > > > > > > > > I looked at your dmesg and ACPI is working fine. You can get increased > > > CPU idle power savings by doing: > > > > > > sysctl hw.acpi.cpu.cx_lowest=1 > > > > thx, i'll try it out > > You can put that in /etc/sysctl.conf if it works ok. Make sure it works > before doing that though. It should lower the temps with no real > performance hit (unlike throttling). > > > > The acpi_cpu driver is not detecting that your system supports throttling. > > > Please post a link to your full ASL: > > > acpidump -t -d > christian.asl > > > > you can take a look at it at http://ahrlug.dyndns.org/acpi_problem/christian.asl > > Your system does not support throttling. It has a 0 for duty_width. > However, it does support ACPI performance states so once the driver is > finished for those, you will be able to step back your clock to save > power/heat. That's a different and better mechanism than throttling > anyway. It's a mobile athlon... Christian, you can test that : http://www.poupinou.org/cpufreq/bsd/powernow_k7.tar.gz if you can't wait. -- Bruno Ducrot -- Which is worse: ignorance or apathy? -- Don't know. Don't care.
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