Timecounter problems on 5.3 - things take twice as long

[Doug White]

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.

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite at gumbysoft.com          |  www.FreeBSD.org