Re: Strange interrupt behaviour

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 12 Jul 1998 16:33:50 +0100 (BST)


> I don't think Alan is right about the interrupts, because I went through
> those with a tooth-brush, but there might be something I missed. And there
> might be something with bottom half handlers or similar - those are fairly
> subtle too..

Im suspicious now that its not IRQ layer and Im seeing a side effect
perhaps simply of getting out of that irq handler fast enough something
else doesnt go wrong

For one putting a test tone on the serial port DCD line even at about
250KHz doesnt cause the same problem, and it definitely should have

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