Re: 'Ghost' vr0 causes panic

[christos%astron.com@localhost (Christos Zoulas)]

In article <Pine.NEB.4.64.0901071158150.11155%ugly.precedence.co.uk@localhost>,
Stephen Borrill  <netbsd%precedence.co.uk@localhost> wrote:
>There's a revision of motherboard we use in our products that has a 
>'ghost' vr0 on it. I guess some but not all of the supporting logic is 
>wired. It shows up on the BIOS post and in NetBSD 4 and earlier, vr0 
>partly attaches but has a mac address of 00:00:00:00:00:00. With NetBSD 5, 
>it panics at boot time:
>
>vr0 at pci0 dev 18 function 0: VIA VT6102 (Rhine II) 10/100 Ethernet
>panic: mpacpi_findintr_linkdev: irq mismatch
>fatal breakpoint trap in supervisor mode
>trap type 1 code 0 eip c053402c cs 8 eflags 246 cr2 0 ilevel 8
>Stopped in pid 0.1 (system) at  netbsd:breakpoint+0x4:  popl    %ebp

make it return ENOENT and print a diagnostic message instead?

christos