Re: 40p support broken since 3.99.22?

[christos%astron.com@localhost (Christos Zoulas)]

In article <CACXAS8CZfhoGGoqrTHA3THBLZkvpr7ZzvZpKpq+CEHuv4EXTHw%mail.gmail.com@localhost>,
Artyom Tarasenko  <atar4qemu%gmail.com@localhost> wrote:
>Does anyone use recent NetBSD versions on 40p (aka Sandalfoot,
>6015/7020) machines?
>After experimenting with NetBSD under qemu/PReP it looks to me like
>the 40p support got broken quite some time ago with this commit:
>
>Author: garbled <garbled>
>Date:   Fri Jun 9 01:19:10 2006 +0000
>
>    Completely rework how we look up PCI interrupts on prep:
>
>    1) Rather than build an array of the pci->intr mappings, build a proplib
>    tree.
>    2) add a SIMPLEQ of device properties to the pci_chipset_tag to hold the
>    proplib trees of each bus.
>    3) Move the interrupt routing code from pci_conf_interrupt to pci_map_intr()
>    4) Deal properly with non-native PCI bridge chips that are not recognized
>    by the prep firmware, and therefore are not noted in the residual data.
>
>    The major win of this restructure is #4. Hopefully I haven't broken
>    anything. Tested on a 7248-100, 7043-140 and 7024-E20.
>
>^^^ the SIMPLEQ called from the pci_intr_fixup_ibm_6015 causes a null
>pointer dereference.

Can you provide instructions how to reproduce this?

Thanks,

christos