Re: Hunting the ahc boot-time panic

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Sun, Oct 16, 2011 at 10:56:57PM -0500, John D. Baker wrote:
> Found it!
> 
> The commit logged here:
> 
>   http://mail-index.netbsd.org/source-changes/2011/05/10/msg021816.html
> 
> causes a kernel built with sources from 201105101832Z or later to
> panic when booting on a machine with an Adaptec SCSI card ("ahc").
> A kernel built with sources from 2011051831Z or earlier boots without
> problems on an "ahc"-equipped machine.
> 
> Curious thing:  Although the netbsd-GENERIC.gz file is slightly smaller
> for the later sources, the uncompressed kernels are *exactly* the same
> size.
> 
> Looks like the changes involve moving PCI IO/MEM enabling from the
> PCI bus driver to the leaf drivers.

No it's the opposite.

> Maybe "ahc" needs some attention?

or the macppc pci bus driver.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--