Date: Thu, 24 Jun 2010 17:18:12 +0200 From: Stefan Farfeleder <stefan@fafoe.narf.at> To: Ian Smith <smithi@nimnet.asn.au> Cc: freebsd-acpi@freebsd.org Subject: Re: Dell Precision m4400 acline problems Message-ID: <20100624151811.GK1735@mole.fafoe.narf.at> In-Reply-To: <20100625005304.M9227@sola.nimnet.asn.au> References: <20100620161124.GA1692@mole.fafoe.narf.at> <20100622010612.T9227@sola.nimnet.asn.au> <20100624140454.GJ1735@mole.fafoe.narf.at> <20100625005304.M9227@sola.nimnet.asn.au>
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On Fri, Jun 25, 2010 at 01:05:38AM +1000, Ian Smith wrote: > On Thu, 24 Jun 2010, Stefan Farfeleder wrote: > > > > Thanks. I think I solved my problem. I do not use power profiles and > > thus the dev.cpu.0.freq stays at 2801. However going offline evidently > > causes the frequency to decrease internally, ie. without dev.cpu.0.freq > > knowing, so when I manually reset the frequency to 2801, the system is > > fast again. > > Goodo. But adding these to /etc/rc.conf would save that manual bother: > performance_cpu_freq="HIGH" > economy_cpu_freq="HIGH" > since /etc/rc.d/power_profile is run on ACAD events anyway, at least > with the default /etc/devd.conf No, unfortunately that's not sufficient. I really have to decrease and increase the frequency. I think the reason is that the ACPI kernel code simply ignores setting the frequency to the same value. Stefan
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