Subject: Re: nell & wi on Classic - no luck just yet, some help needed
To: Martin Husemann <martin@duskware.de>
From: Rasputin <rasputin@idoru.mine.nu>
List: port-sparc
Date: 10/05/2002 10:08:56
* Martin Husemann <martin@duskware.de> [1007 08:07]:
> On Fri, Oct 04, 2002 at 04:23:15PM +1000, matthew green wrote:
> 
> > this means that an interrupt is generated at the specified ipl but that
> > no driver claims to have taken care of the interrupt.  in this case 13,
> > the ipl of audio & nell in this box:
> > 
> > 	audio at sbus0 slot 4 offset 0x1300000 level 7 (ipl 13) not configured
> > 	[ ... ]
> > 	nell0 at sbus0 slot 1 offset 0x0 level 4 (ipl 7) level 7 (ipl 13): rev 1
> 
> I suspect this is a race between the two interrupt handlers of the nell
> driver. They actually do not use any form of locking between each other (vs.
> hardware access) - this is due to a misunderstanding of mine how sbus 
> interrupts are scheduled.

Bear in mind that the wi driver is under heavy development at the moment -
I couldn't get my interface to come up on my SS20 with a nell bridge, but it wasn't related
to audioamd (because Sparc20s don't have it!).

May not be the cause, but it'll probably muddy the water a little.

-- 
Rasputin :: Jack of All Trades - Master of Nuns