Interrupt fires when module is unloaded

Eric Fowler eric.fowler at gmail.com
Mon Jan 6 19:09:13 EST 2014


I am trying to figure out interrupts by writing a shadow of Rubini's
'short' program. Recall that Rubini tells us to enable parallel port
interrupts by wiring pins 9&10 together, then writing binary data to the
parallel port's address.

I am doing that, but:
- I don't see interrupts when I write to the port
- I do see one interrupt when I unload the driver (in the fop's .release
method)
- This happens whether or not the pins are wired up.

What is going on here?
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