[ntp:questions] Kernel PPS programs.

David Woolley david at ex.djwhome.demon.invalid
Wed Feb 8 17:45:07 UTC 2012

unruh wrote:

> cards, they use shareable, level triggered interrupts. Since the input pulse is
> many ms long, this means that the interrupt keeps triggering about once
> every usec as long as the ack line is up. 

That is seriously broken hardware design.

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