Re: Interrupt curiosity

[Jay Estabrook digital com]

>>> "Jos=?ISO-8859-1?B?6Q==?= Pedro Sousa do Amaral" said:
>
> I have an AS 200 4/233 running Linux 5.2, KDE 1.0, and the new kernel 2.2.0.
> I have noticed something that is somewhat strange for my little fuzzy
> understanding of anything that goes on with the hardware. While using
> XOSView, I noticed after start using the new kernel that the interrupt #8 is
> always on. Furthermore, it used to display the activity status of 16
> interrupts and now displays the status of 24.
> Could some one shed some light in the topic of interrupt activity in
> general, and why interrupt 8 is always on in particular? A pointer to
> literature is also appreciated. I like to learn about these things...

If you'd done "cat /proc/interrupts", you'd have seen that IRQ 8 is the timer.
And that *is* on, on Alpha, about 1024 times per sec.

I don't know where the 24 come from.

--Jay++

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Jay A Estabrook                            Alpha Motherboards - LINUX Project
Compaq Computer Corporation                (508) 841-3241 or (DTN) 237-3241
334 South Street, Shrewsbury, MA 01545     Jay.Estabrook@digital.com
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