From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <7c16a21a4dd6918c3b6cbb17660b7b8a@quanstro.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Intel ICH7 AHCI
From: erik quanstrom <quanstro@quanstro.net>
Date: Sun, 24 Feb 2008 10:09:49 -0500
In-Reply-To: <13426df10802232131p5b05b52auf1168fcfc5ab5c7e@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Topicbox-Message-UUID: 6047e762-ead3-11e9-9d60-3106f5b1d025

>>  i feel your pain.  i have a new motherboard with some bad entries in the mp
>>  table, too.
>
> Not surprising. What we see, all the time, is that the mobo makers
> just barely understand these tables, and usually get them quite wrong.
> We've also seen cases where the MP table for one board was used,
> verbatim, on a very different board. Finally, the vendors are always
> willing to rewire bits of the board, but don't quite get around to
> updating the table.
>
> Short form: PC hardware is crap.

i'm not casting aspersions.  i've had good luck with getting corrected
bios in the few times i've had trouble on server motherboards.  i
think the problem is that mp interrupts are hard and need to be
constructed at bios runtime to account for the topology of add in
cards and bridges.

- erik