Date: Mon, 23 Mar 2015 12:18:45 +0300 From: Dmitry Sivachenko <trtrmitya@gmail.com> To: Ian Smith <smithi@nimnet.asn.au> Cc: Kevin Oberman <rkoberman@gmail.com>, FreeBSD Stable ML <stable@freebsd.org>, Peter Jeremy <peter@rulingia.com>, nwhitehorn@freebsd.org Subject: Re: dev.cpu.0.freq disapeared Message-ID: <B03301FB-7126-49C9-861C-0F82218C7861@gmail.com> In-Reply-To: <20150323152431.W22641@sola.nimnet.asn.au> References: <EE8D6553-4319-4CE1-8F73-3244C49F454C@gmail.com> <20150322055323.GA48710@server.rulingia.com> <77C8F6F7-2C25-4BC5-B373-11441AB58FAD@gmail.com> <550ECD9D.2030108@nimnet.asn.au> <97279AFB-7718-4080-9F18-155287216A04@gmail.com> <20150323152431.W22641@sola.nimnet.asn.au>
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> On 23 марта 2015 г., at 9:03, Ian Smith <smithi@nimnet.asn.au> wrote: > > > Do you have Enhanced Speedstep (EST), disabled in your BIOS settings? > If so, just turn it on. Then you should also be able to set running > frequency to 'MAX performance' or similar there. > > If not disabled, ie you have EST enabled in BIOS, that points to a real > issue of EST detection. And it still seems strange that enabling p4tcc > is enough to have cpufreq(4) include OIDs for freq and freq_levels? > Thanks to all who replied. This is called Intel SpeedStep Tech in that BIOS and it was indeed disabled. I enabled it and now I have in dmesg est0: <Enhanced SpeedStep Frequency Control> on cpu0 even with hint.p4tcc.0.disabled="1" for each CPU and dev.cpu.0.freq appeared back. Thanks for your help.
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