Date: Thu, 11 Oct 2012 18:16:33 +1100 From: Peter Jeremy <peter@rulingia.com> To: freebsd-stable@FreeBSD.org Subject: Re: time keeps on slipping... slipping... Message-ID: <20121011071633.GO22291@server.rulingia.com> In-Reply-To: <20121011063030.GK1967@funkthat.com> References: <20121008040239.GE1967@funkthat.com> <5075F9F7.1040007@FreeBSD.org> <20121011063030.GK1967@funkthat.com>
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On 2012-Oct-10 23:30:30 -0700, John-Mark Gurney <jmg@funkthat.com> wrote:
>> >kern.timecounter.tc.TSC-low.mask: 4294967295
>> >kern.timecounter.tc.TSC-low.counter: 2854866610
>> >kern.timecounter.tc.TSC-low.frequency: 10937740
>> >kern.timecounter.tc.TSC-low.quality: 1000
=2E..
>Since I switch to HPET, it hasn't happened at all in the last 3 days..
That suggests that there's something peculiar about your TSC. There
are a variety of possibilities... Does your CPU support multiple
Cx states and are you using them ("sysctl dev.cpu | grep cx_")?
--=20
Peter Jeremy
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