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From: Oliver Enzmann <oliver@cosec.org>
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Date: 17 Apr 2003 17:28:09 +0000
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Subject: Re: VAIO problems still
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On Thu, 2003-04-17 at 15:21, Chuck McCrobie wrote:
 
> <rant - please note this applies to the GRX-670 -
> YMMV>
> 
> UGH! UGH! UGH!  Please see:
> 
> http://w3.mivlmd.cablespeed.com/~mccrobie
> 
> Let me know if this fixes your problem - or not.

[...] 

> Because the interrupt is shared, the ich3 sound driver
> gets its interrupt routine called when anything that
> gets IRQ9 is used - including USB mouse.  The sound
> driver than finds work to do and does it - the result
> is you get sound.

Sound on my Vaio worked just fine but I've never managed to 
get USB working. I therefore decided to try your patch...

> FreeBSD does not seem to setup the interrupt mechanism
> to enable delivery of the IRQ9 for sound, because
> sound already has an assigned interrupt.
> 
> I've been waiting for someone to fix this.  I posted
> this patch several months ago, but the response was
> "this does nothing for IO APIC" - I don't know what
> that is or how it affects this issue, but if it fixes
> the problem, it would greatly be appreciated.
> 
> <rant off - hopefully this fixes other Vaio's>

It did! My Vaio R600 finally has a working USB. Excellent.

Oliver