Linus Torvalds wrote:
> 
> In article <3B5B1F77.D8B45FFA@candelatech.com> you write:
> >
> >This report contains information about my failure to get my
> >CardBus NICs working correctly.  Hardware involved is:
> >
> >Sony VAIO PCG-FX210 laptop (800Mhz Duron...)
> >DFE-650 16-bit PCMCIA NIC x2
> >3Com Megahertz 32-bit 3CCFE575BT NIC x2
> >AmbiCom 32-bit 8100 NIC  (tulip) x2
> 
> This looks suspiciously like your slot #1 gets the PCI interrupt routing
> wrong.
> 
> Note especially the kernel reports:
> 
>         Linux Kernel Card Services 3.1.22
>           options:  [pci] [cardbus] [pm]
>         PCI: Assigned IRQ 9 for device 00:0a.0
>         PCI: Assigned IRQ 10 for device 00:0a.1
>         IRQ routing conflict for 00:07.5, have irq 5, want irq 10
>         IRQ routing conflict for 00:07.6, have irq 5, want irq 10
>         PCI: Sharing IRQ 10 with 00:10.0
> 
> it really looks like your slot 1 controller (00:0a.1) really wants irq5,
> based on the fact that other devices are reported to have irq5.
> 
> However, if they _really_ have irq5 already routed, I'm surprised that
> the PCI irq router "r->get()" function didn't pick up on that fact, and
> that the "set" function apparently didn't work correctly.

Would this explain why I can get the 16-bit card to pass traffic, though
in a limited fashion?

> 
> So I'd guess that when you insert a card in slot #1, you get a constant
> stream of interrupts on irq5, which is not where the kernel is expecting
> them, so your machine locks up.
> 
> Can you do the following:
>  - run dump_pirq on your machine (attached)

It wasn't attached to the email I received.  Could you either send
it again or tell me where to find it?

>  - run "lspci -vvxxx" as root

That is attached.

> 
> send me and Jeff the output. Jeff also suggested enabling debugging in
> yenta.c and that might be useful too.

I'll do that now and will send shortly.


Thanks,
Ben

> 
>                 Linus
> -
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-- 
Ben Greear <greearb@candelatech.com>          <Ben_Greear@excite.com>
President of Candela Technologies Inc      http://www.candelatech.com
ScryMUD:  http://scry.wanfear.com     http://scry.wanfear.com/~greear