Date: Thu, 06 Aug 2015 03:29:27 -0700 From: John Baldwin <jhb@freebsd.org> To: Mario Lobo <lobo@bsd.com.br> Cc: freebsd-hackers@freebsd.org, "Herbert J. Skuhra" <herbert@oslo.ath.cx> Subject: Re: Gigabyte 970A-UD3P and hwpstate problem Message-ID: <3449300.xgGQFUj9M8@ralph.baldwin.cx> In-Reply-To: <20150805201052.4ed76a4e@Papi> References: <20150710213752.473cb831@Papi> <2167403.C3gzAhEsMN@ralph.baldwin.cx> <20150805201052.4ed76a4e@Papi>
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On Wednesday, August 05, 2015 08:10:52 PM Mario Lobo wrote: > On Wed, 05 Aug 2015 08:39:11 -0700 > John Baldwin <jhb@freebsd.org> wrote: > > > > First check to see if there are any BIOS > > > > options to control CPU throttling that are currently disabled. > > > > > > The only BIOS option that deals with throttling is Cool'n'Quiet, > > > which is enabled. > > > > You might try checking if C1E is enabled. Also, if you have done any > > overclocking you might try disabling that. > > C1E is enable and so is C6. But, good news! > > [~]>dmesg -a | grep > hwpstate hwpstate0: <Cool`n'Quiet 2.0> on cpu0 > > dev.hwpstate.0.freq_settings: 3200/10235 2800/8393 2300/6221 1800/4471 > 1400/3135 dev.cpu.0.freq_levels: 3200/10235 2800/8393 2300/6221 > 1800/4471 1400/3135 > > There was an option in the BIOS called HPC, which stands for High Power > Ccomputing (whatever that means) that, as soon as I disabled it, > hwpstate showed up. I disabled acpi_throttle and the frequencies are > still being throttled. Ok, that definitely sounds like the solution then. -- John Baldwin
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