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From: John Baldwin <jhb@freebsd.org>
To: John E Hein <jhein@timing.com>
Date: Mon, 4 Feb 2008 09:44:43 -0500
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Cc: cvs-src@freebsd.org, Scott Long <scottl@samsco.org>,
	src-committers@freebsd.org, cvs-all@freebsd.org, grehan@freebsd.org
Subject: Re: cvs commit: src/sys/dev/pci pci.c
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On Monday 04 February 2008 12:49:49 am John E Hein wrote:
> Peter Grehan wrote at 19:00 -0800 on Feb  1, 2008:
>  > > I'm sure there are fun, interesting, and highly obtuse ways to get a
>  > > PCI-E device onto a system with no PCI-E root complex.
>  > 
>  >   Be afraid ...
>  > 
>  >     http://www.pericom.com/products/pci/
>  > 
>  >   "In ?reverse? mode, the PI7C9X110 is configured with the PCI port on 
>  > the primary and the PCI Express port on the downstream side. The 
>  > ?reverse? configuration will be mainly used to ?bridge? new PCI Express 
>  > products to legacy PCI systems."
> 
> PLX (plxtech.com) also has them.

We can blacklist those bridges just like we blacklist the AMD HT8131 bridge
which is broken.

-- 
John Baldwin