Date: Mon, 6 Dec 2004 13:54:18 +0100 From: Arjan Van Leeuwen <avleeuwen@gmail.com> To: Doug White <dwhite@gumbysoft.com> Cc: freebsd-stable@freebsd.org Subject: Re: Timecounter problems on 5.3 - things take twice as long Message-ID: <d86b487304120604542b89f02b@mail.gmail.com> In-Reply-To: <20041204161351.F434@carver.gumbysoft.com> References: <d86b4873041202105422e501a2@mail.gmail.com> <20041204161351.F434@carver.gumbysoft.com>
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On Sat, 4 Dec 2004 16:14:35 -0800 (PST), Doug White <dwhite@gumbysoft.com> wrote: > On Thu, 2 Dec 2004, Arjan Van Leeuwen wrote: > > > > > Hi, > > > > I have a weird problem on a dual Xeon 550MHz system running > > 5.3-RELEASE. Everything takes twice as long as it should. > > > > Example: > > winston% time sleep 2 > > sleep 2 0.00s user 0.00s system 0% cpu 4.006 total > > > > The same for pings, the scsi delay when booting, etc. The time of the > > system itself doesn't seem to be affected (but maybe ntpd takes care > > of that). I tried changing the kern.timecounter.hardware sysctl from > > ACPI-safe to TSC and i8254, but that didn't help. > > TSC isn't available on SMP systems. Its possible one of the CPUs is > damaged, though. > > > Any other suggestions on how to fix this? Do I have to provide more > > information? > > 'vmstat -i' output would be handy. OK, here it is: interrupt total rate irq1: atkbd0 2 0 irq6: fdc0 10 0 irq8: rtc 1140653 127 irq13: npx0 1 0 irq16: atapci0 129099 14 irq21: rl0 345707 38 irq24: fwohci0 1 0 irq28: sym0 30 0 irq29: sym1 30 0 irq31: fxp0 140237 15 irq0: clk 4456164 499 Total 6211934 696 This is after 2.5 hours uptime. Thanks, Arjan > > -- > Doug White | FreeBSD: The Power to Serve > dwhite@gumbysoft.com | www.FreeBSD.org >
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