From owner-freebsd-hackers  Sat Mar 20 18:24:25 1999
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Date: Sun, 21 Mar 1999 13:23:56 +1100
From: David Dawes <dawes@rf900.physics.usyd.edu.au>
To: hackers@FreeBSD.ORG
Subject: Re: !! Emergency !! Help FreeBSD 3.0 with IBM Netfinity 5000
References: <4825673A.00577C58.00@tw.ibm.com>
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In-Reply-To: <4825673A.00577C58.00@tw.ibm.com>; from hawkkuan@tw.ibm.com on Sat, Mar 20, 1999 at 11:42:11AM +0800
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On Sat, Mar 20, 1999 at 11:42:11AM +0800, hawkkuan@tw.ibm.com wrote:

>     Recenlty IBM Taiwan had a large project to prompt FreeBSD in Taiwan
>elementary
>school. We use 600 sets IBM Netfinity 5000 server in this project.
>
>     We had some problems with IBM Netfinity 5000 with FreeBSD, The most
>important
>is that there is 2 set of PCI bridge of Netfinity 5000. When I installed
>the netfinity 5000 and
>use "dmesg" command. System can regonized all chip set on mainboard,
>include 2 PCI bridge
>chip set and 1 PCI-ISA bridge.
>
>==== IBM Netfinity 5000 Bus Architecture ====
>
>     PCI bus 0 connected with on board AIC-7895, S3  Video chip & AMD
>79cXXX NIC and
>only "1" free PCI slot.
>
>     PCI bus 1 connected with 4 PCI slots , 2 of them are PCI/ISA share
>slot.
>
>====== The most problems we meet  ======
>
>
>     All adaptor (we try Intel Ether express pro) only can be regonized on
>PCI bus 0 , but
>no matter what we have tried, we can't install any adaptor on PCI bus 1
>slots!!

>Probing for devices on PCI bus 0:
>chip0: <Host to PCI bridge (vendor=1166 device=0007)> rev 0x04 on pci0.0.0
>chip1: <Host to PCI bridge (vendor=1166 device=0005)> rev 0x02 on pci0.0.1

I guess the problem is multiple host-PCI bridges.  This is something we
need to deal with at XFree86 too.  Is it correct that there is no
generic way of handling these?

David


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