How to assign IQR to PCI devices?

Fernando Cassia fcassia at gmail.com
Wed Jun 24 01:03:58 UTC 2009


On Tue, Jun 23, 2009 at 9:18 PM, Tom Horsley<tom.horsley at att.net> wrote:
> On Tue, 23 Jun 2009 19:02:59 -0500
> Arthur Pemberton wrote:
>
>> I watch each of the ivtv devices on their own IRQ. As of now, all the
>> changes I've made at the BIOS level have failed. Is it possible assign
>> these at the OS level?
>
> As far as I know, the only way to control IRQ assignment with modern
> "helpful" motherboards is to randomly swap cards around in PCI
> slots and see what happens. If some of the devices are built-in
> and can't be swapped, you get what you get :-(.

Ha! the os/2 zealot dormant in me can't help but point out that "in
os/2 you can force an IRQ to any card!"

But then it's single-user, 32-bit preemptive multitasking and closed
source. And comatose. And... ;-)
... but the Workplace Shell is better than Gnome.! ;-)
;-)
FC




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