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Subject3c509 + sb16 bug
The evidence really speaks for itself:

firstly, I have been running a 2.2.18 kernel system, with a 3c509b and a
soundblaster 16 (and sundry other hardware).

The soundblaster 16 is on 0x220, irq 5. Its a soundblaster 16 (vibra 16b, '94)
The 3c509 is pnp and detects under 2.2.18 as the following:
eth0: 3c509 at 0x300 tag 1, 10baseT port, address 00 a0 24 75 b7 28, IRQ 10.

Both cards work perfectly, and autodetect without any arguments.


Here are the interesting bits of the boot of the 2.4.x kernel:

PCI: PCI BIOS revision 2.10 entry at 0xfb4f0,
last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
Unknown bridge resource 0: assuming transparent
Unknown bridge resource 1: assuming transparent
Unknown bridge resource 2: assuming transparent
PCI: Using IRQ router ALI [10b9/1533] at 00:07.0
isapnp: Scanning for Pnp cards...
isapnp: Card '3Com 3C509B EtherLink III'
isapnp: 1 Plug & Play card detected total

eth0: 3c509 at 0x220, 10baseT port, address 00 20 24 75 b7 28, IRQ 5.
3c509.c:1.16 (2.2) 2/3/98

Soundblaster audio driver Copyright (C) by Hannu Savolainen 1993-1996
sb: No ISAPnP cards found, trying standard ones...
sb: I/O, IRQ, and DMA are mandatory

NB: PCI stuff was interesting, but I'm not sure if its connected to this

After bootup, at a random time interval between 10 seconds and 5 minutes the
following error spams the screen:
eth0: infinite loop in interrupt, status 2001

I can only conclude that the kernel has mistaken an ethernet card for a
sound card.

for convience, here is an lspci:
00:00.0 Host bridge: Acer Laboratories Inc. [ALi] M1541 (rev 04)
00:01.0 PCI bridge: Acer Laboratories Inc. [ALi] M5243 (rev 04)
00:07.0 ISA bridge: Acer Laboratories Inc. [ALi] M1533 PCI to ISA Bridge
[Aladdin IV] (rev c3)
00:08.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2064W [Millennium]
(rev 01)
00:0f.0 IDE interface: Acer Laboratories Inc. [ALi] M5229 IDE (rev c2)

Stephen Thorne
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