From owner-freebsd-questions  Sun Feb 11 17:44:51 2001
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Date: Sun, 11 Feb 2001 19:41:44 -0600 (CST)
From: Gabriel Mark Mains <gmains@damn-cool.net>
To: freebsd-questions@freebsd.org
Subject: 3rd NIC giving me problems....
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I have a Dual PPro 200Mhz server running FreeBSD 4.1.1-RELEASE. It is set
up with 2 NICs, one as my outside interface connected to my DSL modem and
one to my inside interface connected to my LAN. I have a set of static IPs
assigned to my network, but I am running out of them, so I decided to try
and install a 3rd NIC and run natd for my lesser important machines on my
LAN. The problem that I am running into is that I can't seem to get a 3rd
NIC installed because on bootup I keep getting IRQ conflicts. I have tried
a linksys etherfast 10/100 PCI NIC and a 3COM 509 ISA NIC, and both give
me errors. Here is the output of the 509 on bootup:

<snip>

Feb 11 19:21:54 route-1 /kernel: fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xff40-0xff5f mem 0xff700000-0xff7fffff,0xffbdd000-0xffbddfff irq 10 at device 6.0 on pci0
Feb 11 19:21:54 route-1 /kernel: fxp0: Ethernet address 00:a0:c9:60:79:44
Feb 11 19:21:54 route-1 /kernel: isab0: <Intel 82371SB PCI to ISA bridge> at device 7.0 on pci0
Feb 11 19:21:54 route-1 /kernel: isa0: <ISA bus> on isab0
Feb 11 19:21:54 route-1 /kernel: pci0: <Intel PIIX3 ATA controller> at 7.1
Feb 11 19:21:54 route-1 /kernel: ahc0: <Adaptec aic7880 Ultra SCSI adapter> port 0xfc00-0xfcff mem 0xffbdf000-0xffbdffff irq 11 at device 9.0 on pci0
Feb 11 19:21:54 route-1 /kernel: aic7880: Wide Channel A, SCSI Id=7, 16/255 SCBs
Feb 11 19:21:54 route-1 /kernel: pci0: <Real 3D i740 SVGA controller> at 11.0 irq 11
Feb 11 19:21:54 route-1 /kernel: dc0: <LC82C115 PNIC II 10/100BaseTX> port 0xf8ff mem 0xffbde800-0xffbde8ff irq 10 at device 17.0 on pci0
Feb 11 19:21:54 route-1 /kernel: dc0: Ethernet address: 00:a0:cc:e5:c2:4b
Feb 11 19:21:54 route-1 /kernel: miibus0: <MII bus> on dc0
Feb 11 19:21:54 route-1 /kernel: dcphy0: <Intel 21143 NWAY media interface> on miibus0
Feb 11 19:21:54 route-1 /kernel: dcphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
Feb 11 19:21:54 route-1 /kernel: ep0: <3Com 3C509-Combo EtherLink III> at port 0x300-0x30f irq 10 on isa0
Feb 11 19:21:54 route-1 /kernel: ep0: No irq?!
Feb 11 19:21:54 route-1 /kernel: ep0: ep_alloc() failed! (6)
Feb 11 19:21:54 route-1 /kernel: device_probe_and_attach: ep0 attach returned 6

</snip>

As you can see, it is trying to put all my NICs on IRQ 10. Even the ISA
3COM 509. I have tried to set it in the BIOS so that the ISA is on IRQ 5,
which is available, but still no go. Anyone have any suggestions?

Thanks,
Gabriel



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