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SubjectRe: PCI interrupt problem: e1000 & Super-Micro X6DVA motherboard
Ben:

Have you checked if the BIOS on the super micro machine is the latest
and greatest. I have had interrupt routing issues very similar to the
one you are describing due to a BIOS Interrupt Routing issue. Moving
to newer BIOS fixed it.

ganesh.

On 3/24/05, Ben Greear <greearb@candelatech.com> wrote:
> Lennert Buytenhek wrote:
> > On Wed, Mar 23, 2005 at 06:03:30PM -0800, Ben Greear wrote:
> >
> >
> >>I have two 4-port e1000 NICs in the system, on a riser card.
> >
> >
> > How is the riser card wired? F.e. does it have a single edge
> > connector, and provides two PCI slots, or does it have a tiny
> > additional edge connector that routes REQ#/GNT#/INTx from a
> > nearby PCI slot, etc.?
>
> I was able to reproduce the problem even when the 4-port e1000 NIC
> is plugged directly into the motherboard, so it's not the
> riser...
>
> I also tried with a 4-port VIA-Rhine NIC (router-board 44). It also
> fails it's third interface, with the same problem. So, it is not
> the e1000 NIC nor the e1000 driver that is the problem.
>
> I do notice that it is the same interrupt (26) that is always assigned
> to the broken port. I have the lspci and dmesg output for the via-rhine
> boot if anyone wants it...
>
> Ben
>
> --
> Ben Greear <greearb@candelatech.com>
> Candela Technologies Inc http://www.candelatech.com
>
>
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