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" m("...","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.
> >
>