two pci nics share same interrupt here no problem
rhat 5.2
[byers@byers /proc]$ cat interrupts
CPU0
0: 2109101 XT-PIC timer
1: 3043 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 1 XT-PIC soundblaster
8: 1 XT-PIC rtc
12: 145853 XT-PIC PS/2 Mouse
13: 1 XT-PIC fpu
14: 18563 XT-PIC eth0, eth1 <<<<<<<<<<<<<<<<<<<<<<
15: 11873 XT-PIC BusLogic BT-958
NMI: 0
[byers@byers /proc]
from /proc/pci:
Ethernet controller: DEC DC21140 (rev 34).
Medium devsel. Fast back-to-back capable. IRQ 14. Master Capable.
Latency=32. Min Gnt=20.Max Lat=40.
I/O at 0xe000 [0xe001].
Non-prefetchable 32 bit memory at 0xe6000000 [0xe6000000].
Bus 0, device 13, function 0:
Ethernet controller: DEC DC21140 (rev 34).
Medium devsel. Fast back-to-back capable. IRQ 14. Master Capable.
Latency=32. Min Gnt=20.Max Lat=40.
I/O at 0xd400 [0xd401].
Non-prefetchable 32 bit memory at 0xe4800000 [0xe4800000].
Bus 0, device 10, function 0:
> > yes,interrupt has to be different for 2 ethernet cards.
> >
> > Vineeta
> >
>I thought PCI NICs could share an interupt. I know ISA cards usualy > can
>not share interupts. Also the parrelle port code has problems with > two
>ports sharing an interupt. I have a PCI card with two ports on one
>interupt that doesn't work well with Linux yet...
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