On Tue, 21 Apr 1998, Chuck wrote:

[Interrupt sharing]

> It has the following things on each IRQ:
>    1: pc0
>    3: com1
>    4: com0
>    5: com2 isapnp0
>    6: fdc0
>    7: sb0
>    9: de1 de4 de10 de15 de18
>   10: de0 de3 de6 de7 de8 de9 de13 de14 de16 de17 wss0

wss0 is an ISA device.

Interrupt sharing between level-triggered PCI devices works quite well,
modulo slightly higher interrupt latency.

Try not to share interrupts between ISA and PCI device, however.

>   11: de2 de5 de11 de12 de19
>   12: pms0
>   14: wdc0
>   15: wdc1
> 
> The "transmit underflow" error happens only on de0.  I do not know why
> so many devices are put on irq10 instead of being spread more evenly.

[...]

> wss0 at isa0 port 0x530-0x537 irq 10 drq 0 drq2 1wss0: wssfind failed


-- 
Soren