C Kane writes:
> My NetBSD-1.3/i386 system has a 3Com 3c509 ethernet card,
> which the hardware probe determines to be at irq 3.
> irq 3 is shared with com1.

"lose!"

You have an interrupt conflict. This will not work. I would suggest
moving the ethernet board to an unused IRQ.

> I could be wrong, but I thought it used to be okay for devices
> to share irq?  Was that never the case or have things changed?

This was never the case.

Perry