Re: Solved: xl0: watchdog timeout with 2.9 and 3c905C-TX-M

[Henning Brauer <lists-openbsd_(_at_)_bsws_(_dot_)_de>]

On Thu, Jul 19, 2001 at 09:35:04AM -0600, Jack J. Woehr wrote:
> Heinrich Rebehn wrote: 
> > Then i swapped the NIC with the PCI-VGA Card. IRQ is still 9 but it
> > works now! Strange!
> I've noticed that the shared interrupt slots don't work with net cards even
> thought PCI bus is supposed to arbitrate that somehow. Can any BSD kernel
> folks explain to us why (if indeed I've diagnosed correctly)?

You haven't.

dc0 at pci2 dev 0 function 0 "DEC DECchip 21142/3" rev 0x41: irq 10
dc1 at pci2 dev 4 function 0 "DEC DECchip 21142/3" rev 0x41: irq 10
dc2 at pci2 dev 8 function 0 "DEC DECchip 21142/3" rev 0x41: irq 10
dc3 at pci2 dev 12 function 0 "DEC DECchip 21142/3" rev 0x41: irq 10 
dc4 at pci3 dev 0 function 0 "DEC DECchip 21142/3" rev 0x41: irq 11
dc5 at pci3 dev 4 function 0 "DEC DECchip 21142/3" rev 0x41: irq 11
dc6 at pci3 dev 8 function 0 "DEC DECchip 21142/3" rev 0x41: irq 11
dc7 at pci3 dev 12 function 0 "DEC DECchip 21142/3" rev 0x41: irq 11

Once I did a small experiment and equipped a board with 2 4-port cards and 4
single-port cards, all dc-driven. That's 12 interfaces on 4 irq's, no
problems at all.

-- 
* Henning Brauer, hostmaster_(_at_)_bsws_(_dot_)_de, http://www.bsws.de *
* Roedingsmarkt 14, 20459 Hamburg, Germany               *
Unix is very simple, but it takes a genius to understand the simplicity.
(Dennis Ritchie)