Les, thanks for your response. I forgot to mention that I also see this
periodically at the shell prompt, where no characters are echoed for a few
seconds while typing. The characters are not lost, simply delayed in being
echoed.
This is becoming a significant concern.
--- rod.
--- In "aeroelastic" <> wrote:
>
> I see this as well, and am not using the CAN bus. I have killed most of the
> daemons running, apache, inetd, etc. still the pauses continue, and top does
> not reveal any culprit.
>
> It DOES sometimes seem like it is on the console or terminal (ssh) that the
> problem is the worst. Running application seem less prone to the dead spots.
>
> I have tried playing with the nice settings, but the problem persists on
> terminal and ssh
>
> Les
>
> --- In "Rod" <bomr@> wrote:
> >
> > I am seeing problems of applications running on a TS-7350 that go 'dead'
> > (for lack of a better description) for periods of 2-5 seconds. This seems
> > to happen irregularly, but generally every 1 to 10 minutes. I suspect that
> > there is some daemon process running periodically that is hogging all
> > userspace CPU, since running 'top' doesn't show anything, but does also
> > appear to go dead for brief periods (although this is very difficult to
> > assess for sure).
> >
> > I've turned off swapping, and have tried to eliminate anything else I
> > thought was unnecessary for my application. There are no cron jobs running.
> > Can anyone suggest where else to look?
> >
> > I'm using a default 2.6.21 kernel, and am also using the TS-CAN1 CANbus
> > interface with the TS supplied driver. I suspect that the problem exists
> > even without the CANbus, but the CANbus interface allows me to see the
> > problem, as I am grabbing time-stamped messages from the bus, and I know
> > those timestamps are accurate.
> >
> > Thanks.
> >
> > --- rod.
> >
>
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