Re: Severe IRQ problems on Foster (P4 Xeon) system

[Martin J. Bligh]

>> Btw is it correct that one could also use the APIC Task Priority Registers
>> to implement "fair" IRQ routing? (If linux adjusted them, which it
>> currently doesn't).
> 
> Yes, and Dave Olien has already done this. It's a good idea for P3,
> and seems to me to be essential for P4. 
> 
> Dave, can you republish your patch?

Apparently he's out for a few days. I poked around, and here's the latest
version of his stuff I can find:

http://sourceforge.net/project/showfiles.php?group_id=8875

Look under "APIC routing". Read the notes carefully - you have to
activate it from the command line.

M.