RH7.1 - 3Com PCI 3c905C Tornado - Interrupt posted but not delivered -- IRQ blocked by another

[Bogdan Costescu]

On Sat, 26 May 2001, Dan Fitzpatrick wrote:

> I have 2 identical 3Com network cards in a Compaq 6400R server.
> I just installed RedHat 7.1 (a clean install) and I'm getting an
> IRQ conflict on one of the network cards:
>
> Interrupt posted but not delivered -- IRQ blocked by another device?

This is an APIC error which seems to appear more often with 2.4 kernels.
It's not related to the network card, juts that the 3c59x driver
tests for this condition and prints this warning. Probably your best bet
is to boot with "noapic" kernel option.

Sincerely,

Bogdan Costescu

IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
E-mail: Bogdan.Costescu at IWR.Uni-Heidelberg.De