Subject: Re: ibm4xx pci (Re: IBM405GP/GPr OPB bus_space endian (powerpc/ibm4xx/dev/opb.c))
To: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
From: Allen Briggs <briggs@netbsd.org>
List: port-powerpc
Date: 05/11/2006 16:25:35 
On Fri, May 12, 2006 at 05:19:59AM +0900, Izumi Tsutsui wrote:
> Why should we skip it explicitly?

In some cases (I forget which), probing the PCI side of the PCI Host
Bridge from the bridge itself can do bad things like hang the system
or cause an exception.

-allen

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