Messages in this thread | | | Date | Sat, 10 Apr 1999 13:49:28 +0100 (GMT) | From | Matthew Bernstein <> | Subject | Re: Linux 2.2.5 and PCI 3Com Vortex |
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On Sat, 10 Apr 1999, Alan Cox wrote:
> > What is odd is that when my 2.0.35 kernel boots, it tells me that my > > on-board PCI ethernet device (3Com Vortex) is on IRQ 14. When the > > 2.2.5 kernel boots, it tells me that it is on IRQ 19, and funnily enough, > > my ethernet device doesn't work right. It sends outbound ping packets, > > but never believes it receives any incoming frames--the classic symptom of > > interrupts being lost. > > > > Does anyone have any tips on how to troubleshoot this? > > The 2.2 kernel tries to use the I/O APIC to do interrpt distribution. Not > every vendor seems to get their BIOS tables right. Try using the > "noapic" boot option
I've used 3c905 Boomerangs (different card, same "vendor", same driver) using IO-APIC-level without problem from 2.1.96 to 2.2.5-ac6 :)
Hope that was useful,
Matt
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