Re: Uptime timer-wrap

From: Peter Surda (shurdeek@panorama.sth.ac.at)
Date: Thu Sep 05 2002 - 16:44:28 EST


On Thu, Sep 05, 2002 at 04:16:52PM -0400, Richard B. Johnson wrote:
> I tried to simulate your observation by making a driver that
> set the 'jiffies' count upon an 'open'. The idea was to get
> the jiffies count to something close to wrap so I didn't have to
> wait a long time.
>
> Anyway, I found that setting the jiffies count to more than a
> few hundred counts into the future, causes the machine to halt
> with no interrupts (no Capslock, no NumLock, no network ping, etc).
I noticed I perhaps didn't describe the symptoms precisely. It didn't stop
working permanently, the network was going up and down unpredictably, in
intervals of about 5 to 20 minutes. Perhaps there was a pattern, but I hope
you'll excuse me for mot measuring the exact times as the main point was to
get it running, not to write a scientific report about it :-).

If it wasn't fixed by a reboot I'd say it was an odd hardware problem.

Bye,

Peter Surda (Shurdeek) <shurdeek@panorama.sth.ac.at>, ICQ 10236103, +436505122023

--
                Where do you think you're going today?


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