Subject: Re: ahc bug in current? (was: ccd changed in current?)
To: Michael L. VanLoon -- HeadCandy.com <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 08/29/1997 13:41:41
On Fri, 29 Aug 1997 12:09:16 -0700
"Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net> wrote:
> OK, any idea where I can find a PCI bus analyzer?
> BTW, you should break up your paragraphs more often. :-)
> Maybe I'll give Adaptec a call and see if this is something they'll
> replace for free.
Actually, I have encountered this problem before using a Myrinet interface
behind a PCI-PCI bridge.
The problems "go away" if you use i/o mapped access, rather than
memory mapped access. The ahc driver was changed some time ago to
use memory mapped access, and I now suspect that this might be the
I may send a patch to you to try out, soon.
Jason R. Thorpe email@example.com
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