Date: Wed, 9 Apr 2014 21:07:28 +0300 From: Anton Sayetsky <vsjcfm@gmail.com> To: hiren panchasara <hiren.panchasara@gmail.com> Cc: freebsd-acpi@freebsd.org Subject: Re: C-States configuration Message-ID: <CAFG2KCLgXOWXsRQTXAOLgK%2BihdOU9Pp=jhX1thg_qHePUxii5g@mail.gmail.com> In-Reply-To: <CALCpEUGxSSFRNk8jj5Mm1vVz5zWa2=B58%2B=JEybAv3rvzrZ%2BMQ@mail.gmail.com> References: <CALCpEUGxSSFRNk8jj5Mm1vVz5zWa2=B58%2B=JEybAv3rvzrZ%2BMQ@mail.gmail.com>
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2014-04-09 20:40 GMT+03:00 hiren panchasara <hiren.panchasara@gmail.com>: > I am running -current on my T420 at r263906M > > debug.acpi.acpi_ca_version: 20130823 > > o/p of sysctl -a | grep acpi - http://bpaste.net/show/199806/ > > and I have following in my rc.conf: > > performance_cx_lowest="Cmax" > economy_cx_lowest="Cmax" > > But I still get: > > % sysctl -a | grep cx_lowest > hw.acpi.cpu.cx_lowest: C1 > dev.cpu.0.cx_lowest: C1 > dev.cpu.1.cx_lowest: C1 > dev.cpu.2.cx_lowest: C1 > dev.cpu.3.cx_lowest: C1 > > And I can do: > # sysctl dev.cpu.0.cx_lowest=Cmax > dev.cpu.0.cx_lowest: C1 -> C8 > > that tells me that Cmax is C8. > > % sysctl -d dev.cpu.0.cx_lowest > dev.cpu.0.cx_lowest: lowest Cx sleep state to use > > I was expecting cx_lowest to be set to C8 because of rc.conf config I have. > > What am I missing here? > > cheers, > Hiren Try to set LOW instead of Cmax.
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