Re: reassigning IRQs for specific PCI slots...

[Zwane Mwaikambo]

On Thu, 6 Nov 2003, Robert Bird wrote:

> We are trying to use RTLinux thread to service a PCI-based multi-port 
> serial card.  I have read several documents regarding "sharing IRQs", 
> using boot-prompt parameters, IO-APIC.txt, etc.  I am being told by the 
> RTLinux community that I must not share interrupts when using real-time 
> thread to service a PCI-based function.  I have tried using several 
> combinations of boot-prompt parameters (we are using GRUB) but have had 
> no success in redirecting IRQ assignment during boot-time!

If you don't have the option to assign irqs to specific slots in the BIOS 
you can try shuffling PCI adapters around. I take it you don't have an 
IOAPIC on the board?

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