Subject: Re: clock lossage with -current on DS5000/240
To: Matthias Drochner <M.Drochner@fz-juelich.de>
From: Jason R Thorpe <thorpej@zembu.com>
List: port-pmax
Date: 05/04/2001 08:56:30
On Fri, May 04, 2001 at 02:28:28PM +0200, Matthias Drochner wrote:
> The pmax (at least the 3maxplus) seems to massively lose
> clock interrupts as soon there is some system (in particular,
> network) activity.
> A diskless (root on fta0 - FDDI) box which keeps a quite
> accurate time normally was 3 seconds behind after a single
> compile of "bash":
kthreads are apparently still running at splhigh on the MIPS -- should
get fixed soon.
>
> ntpdc> peers
> remote local st poll reach delay offset disp
> =======================================================================
> *zelf01 134.94.233.21 1 64 377 0.00183 -0.001696 0.00093
> ntpdc> kerninfo
> pll offset: -0.001586 s
> pll frequency: 6.655 ppm
> maximum error: 0.023256 s
> estimated error: 4.3e-05 s
> [...]
>
> [compile "bash"]
>
> ntpdc> peers
> remote local st poll reach delay offset disp
> =======================================================================
> *zelf01 134.94.233.21 1 64 377 0.00214 3.086226 0.00099
> ntpdc> kerninfo
> pll offset: 0 s
> pll frequency: 512.000 ppm
> maximum error: 0.556237 s
> estimated error: 0.343926 s
>
>
> ntpd is not happy, obviously...
>
> Anyone an idea what caused it and how to fix this?
>
> best regards
> Matthias
>
>
--
-- Jason R. Thorpe <thorpej@zembu.com>