Date: Tue, 7 Dec 2004 10:55:25 -0800 (PST) From: Doug White <dwhite@gumbysoft.com> To: Arjan Van Leeuwen <avleeuwen@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Timecounter problems on 5.3 - things take twice as long Message-ID: <20041207105412.I30209@carver.gumbysoft.com> In-Reply-To: <d86b487304120706252944058c@mail.gmail.com> References: <d86b4873041202105422e501a2@mail.gmail.com> <d86b487304120604542b89f02b@mail.gmail.com> <d86b487304120706252944058c@mail.gmail.com>
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On Tue, 7 Dec 2004, Arjan Van Leeuwen wrote: > On Mon, 6 Dec 2004 19:07:05 -0800 (PST), Doug White > <dwhite@gumbysoft.com> wrote: > > On Mon, 6 Dec 2004, Arjan Van Leeuwen wrote: > (...) > > > > The rate on 'clk' should be 1000, so it looks like your system doesn't > > like HZ=1000. Try sticking this in loader.conf and rebooting: > > > > kern.hz="100" > > > > If that works then its like your motherboard has Issues(tm). > > I think it certainly has issues, but it's something else :). This is > what happens with kern.hz=100: > > interrupt total rate > irq1: atkbd0 2 0 > irq6: fdc0 10 0 > irq8: rtc 53803 127 > irq13: npx0 1 0 > irq16: atapci0 14751 35 > irq21: rl0 7180 17 > irq24: fwohci0 1 0 > irq28: sym0 30 0 > irq29: sym1 30 0 > irq31: fxp0 3236 7 > irq0: clk 21016 49 > Total 100060 237 > > In other words, exactly the same thing. I should also note that > earlier versions of 5-CURRENT worked correctly (-CURRENT from june 7). > Is there anything else I could try? Replace the motherboard? :) The i8254 hasn't changed in years, so I doubt we're programming it wrong. Something along the way is applying a /2 divisor. Maybe its been broken forever and you only recnetly noticed due to the HZ change? -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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