Re: kernel panic attaching ahc

[Michael <macallan1888%gmail.com@localhost>]

Hello,

On Mon, 15 Aug 2011 10:00:16 +0200
Martin Husemann <martin%duskware.de@localhost> wrote:

> On Sun, Aug 14, 2011 at 10:08:51PM -0500, John D. Baker wrote:
> > 0x11e64c is in ahc_pci_attach 
> > (/d1/nbsd/current/src/sys/dev/pci/ahc_pci.c:864).
> > 859          * Before we continue probing the card, ensure that
> > 860          * its interrupts are *disabled*.  We don't want
> > 861          * a misstep to hang the machine in an interrupt
> > 862          * storm.
> > 863          */
> > 864         ahc_intr_enable(ahc, FALSE);
> 
> This seems to be the first time it actually touches the hardware - but I
> can't spot anything obviously wrong here.
> 
> Did something change in the PCI mapping for macppc recently?

We switched to fast softintrs around that time IIRC.
I don't remember anything PCI-related though.
That said, I have an ahc card somewhere ( even with Apple firmware ) - I guess 
I'll dig it up and see if I can reproduce the issue.

have fun
Michael