Subject: Re: 3c509 at irq 3
To: C Kane <ckane@best.com>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-i386
Date: 02/19/1998 15:50:06
On Feb 18, C Kane wrote
> Hi.
> 
> 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.
> [...]
> 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?
> 

I don't think NetBSD has ever handled shared IRQ on ISA, as this is not
fully supported by the bus. Shared IRQ on PCI works fine, however.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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