Re: Uptime timer-wrap

From: Richard B. Johnson (root@chaos.analogic.com)
Date: Fri Sep 06 2002 - 07:41:18 EST


On Fri, 6 Sep 2002, Zwane Mwaikambo wrote:

> On Fri, 6 Sep 2002, Richard B. Johnson wrote:
>
> > Do you have an idea where to look? I need to prevent the possibility
> > of waiting forever for an event that may never occur, with interrupts
> > disabled, on at least one embedded system. Any wait-forever possibility
> > must be interruptible because any watch-dog timer that re-boots will end
> > up destroying data that must never be lost.
>
> Remove the 'wait forever' (really if you're waiting forever you have a
> bug anyway, be it hardware or otherwise) and break the entire kernel? Or
> perhaps sprinkle timeouts in every little crevice of the kernel code.
>
> Zwane

The kernel is waiting forever as previously shown.

Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
The US military has given us many words, FUBAR, SNAFU, now ENRON.
Yes, top management were graduates of West Point and Annapolis.

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