> Jon Lewis wrote:
> >
> > Just out of curiosity, what's going to happen in about 2 months when my
> > irq 11 counter hits 4294967296? Will it happily wrap, or are things
> > likely to get upset?
>
> The one that really worries me is having the "jiffies" wrap around,
> an event which will happen every 17 months or so on production systems.
>
> A *lot* of the kernel will malfunction when that happens.
Its not supposed to break anything, but I doubt it has ever been tested.
Something that might be interesting is to compile a kernel with the counter
pre-initialized so that it will overflow in about 5 minutes. Then some
network connections, compilers, etc. could be started up, and we could
see what happened when it overflowed.
Jim