> Date: Fri, 03 Nov 2000 13:35:57 -0600
> From: "W Bauske" <wsb@paralleldata.com>
>
> It appears my dual PIII motherboard also uses interrupts above 15:
>
> CPU0 CPU1
> 0: 12903677 14055458 IO-APIC-edge timer
> 1: 1815 1917 IO-APIC-edge keyboard
> 2: 0 0 XT-PIC cascade
> 12: 522 96 IO-APIC-edge PS/2 Mouse
> 13: 0 0 XT-PIC fpu
> 14: 33744 26522 IO-APIC-edge ide0
> 15: 60 51 IO-APIC-edge ide1
> 18: 138908 135458 IO-APIC-level eth0
> 20: 152 152 IO-APIC-level ide4, ide5
> 22: 23588 23422 IO-APIC-level ide2
>
> So I suppose it would have similar problems with such cards. Course
> it doesn't do sound or modems.... Only disks.
>
> Seems odd though the distribution on my UP2K is quite
> uneven while the PIII board is very even.
>
> UP2K:
>
> CPU0 CPU1
> 1: 144 0 keyboard
> 8: 1686590099 1686589932 timer
> 12: 0 0 PS/2 Mouse
> 14: 462584 0 +ide0
> 19: 45 0 aic7xxx
> 23: 22879 0 ide5
> 27: 6310020 0 ide2, ide3
> 47: 125946091 0 eth0
>
>
> Possibly due to the kernel levels. I use 2.4.test9
> on the SMP PIII.
With Redhat 6.1 (kernel 2.2.13) on a UP2K with only one
processor, I get the following:
1: 1110144 keyboard
8: 1620749026 timer
12: 6547423 PS/2 Mouse
19: 1667072 aic7xxx
27: 106359573 +bttv
39: 911850 eth0
43: 32827 sym53c8xx
Actually, /proc/pci says I also have an Ensoniq ES1371 AudioPCI
at IRQ 31, a Voodoo 3 at IRQ 23, and a 3Com 3C905B at IRQ 39.
One of the problems I had with the sound card is both the 4Front
and ALSA drivers only look for IRQs up through 31, so I had to
put the sound card on the lower PCI bus.
So, it isn't the 2.4 kernel or the test kernel that makes IRQ
numbers a bit strange-looking on a UP2K.
Robert Riches
richesr1@inetarena.com
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