Date: Wed, 17 Jan 1996 22:57:01 +0200 (EET) From: Heikki Suonsivu <hsu@clinet.fi> To: se@zpr.uni-koeln.de (Stefan Esser) Cc: Heikki Suonsivu <hsu@clinet.fi>, freebsd-bugs@freebsd.org Subject: Re: SMC etherpower2 and ZNYX 314 (fourport) seem to confuse de Message-ID: <199601172057.WAA06363@katiska.clinet.fi> In-Reply-To: <199601092304.AA16065@Sysiphos> References: <hsu@clinet.fi> <199601092304.AA16065@Sysiphos>
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Stefan Esser writes:
> On Jan 9, 21:56, Heikki Suonsivu wrote:
> } Subject: SMC etherpower2 and ZNYX 314 (fourport) seem to confuse de
> }
> } Has anyone been able to put SMC etherpower2 (dual port combo ethernet card)
> } with a ZNYX 314 (four port TP-only) in the same machine? They seem to be
> } able to coexist with other pci cards, but hate each other:
>
> This looks like a problem with the PCI to PCI bridge code.
> AFAIK, nobody checked whether it really works with several
> such chips (I couldn't afford to buy two multi-port Ethernet
> cards just to test this, for example :-)
>
> Please boot the system again, with the two port and the
> four port card inserted, but enter "-v" at the "Boot: "
> prompt this time ...
I filed a more complete PR with -v, logs, a crash dump and some
experimentation results.
> I'm too tired to explain the interrupt stuff right now,
> but I already wrote something (for a system with an AH3940
> card) which seems to apply in your case too.
I only have this problem with multiple multiport ethernet cards, but it
might be a generic bridge code problem (it looks like that).
> If you have access to the PCI 2.1 spec, then check out the
> section about PCI to PCI bridges and the suggested method of
> connecting PCI IntA .. IntD to the ISA interrupt controller.
Sorry, I don't have any specs on PCI...
--
Heikki Suonsivu, T{ysikuu 10 C 83/02210 Espoo/FINLAND,
hsu@clinet.fi work +358-0-4375209 fax -4555276 home -8031121
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