Re: [linux-audio-user] Setting IRQ on intel8x0-card

From: Lee Revell <rlrevell@email-addr-hidden-job.com>
Date: Mon Oct 09 2006 - 22:07:57 EEST

On Mon, 2006-10-09 at 14:46 -0400, Paul Davis wrote:
> its basically not possible. PC architecture has changed quite a lot in
> the last few years, and AFAIK you can no longer get the kernel to change
> IRQ assignments. it seems stupid, i know, but i dug into this rather
> deeply a year or so back, and basically the kernel picks up the IO-APIC
> routings and does not modify them, even with the many flags that appear
> to be related to possibly modifying them :( there is a really cool perl
> script that actually analyses IO-APIC routings via the /proc filesystem,
> and it confirmed for me what i was worried about.
>
> if your BIOS doesn't allow it, you're out of luck *AFAIK*. if i am
> wrong, i will be happy to hear more, since i face similar issues on my
> laptop.

Has it ever been possible to change the IRQs of onboard devices? I
thought it was hard wired.

Lee
Received on Tue Oct 10 00:15:02 2006

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