[tulip] Two Compex FL6400 cards?

[Danilo Godec]

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Content-ID: <Pine.LNX.4.30.0108140929311.17406@server.kibla.org>

Hello!

I'm having a little problem with two Compex FL6400TX (four-port) cards.
Each has four 21143 chips on it, but they seem to be unhappy with sharing
interrupts.

Loading the module goes OK, I can use the tulip driver that comes with
2.2.19 kernel or the one from scyld.com (v0.92x) - there seems to be no
difference in operation.

IRQs are 'shared' in pairs (for example, eth0 gets IRQ 9 and so does
eth6).

I can setup and use the first (eth0) port. When I try to ifconfig eth6,
after a few seconds it reports a 'TX hung ...' and it doesn't work unless
I generate traffic on eth0!

Then I try to setup the second port on the first card, which has the IRQ 9
assigned (presumably unused). At that point the machine locks up hard.

Is it possible for ethernet cards (21143 specifically) to share
interrupts at all?

Is it perhaps a motherboard/BIOS issue and I could have better luck on a
newer motherboard (this one is quite old, it's using Pentium MMX
processor)?

Could 2.4 kernel help?

Any ideas are greatly appreciated and any suggestions will be tried out...
:)

 Thanks, Danilo

PS: Attached is a 'lspci -v' list when there was an additional
Compex RL2000 PCI installed - but removing it didn't make a difference.

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