linux-kernel - Re: [PATCH] ALSA: hda-intel - Disable MSI support by default

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Date:	Thu, 16 Nov 2006 10:53:11 +0000
From:	Alan <alan@...rguk.ukuu.org.uk>
To:	linux@...izon.com
Cc:	linux-kernel@...r.kernel.org, torvalds@...l.org, linux@...izon.com
Subject: Re: [PATCH] ALSA: hda-intel - Disable MSI support by default

On 15 Nov 2006 23:24:32 -0500
linux@...izon.com wrote:

> Well, before giving up entirely, assume that *some* device owns that
> interrupt, it's just mis-routed.
> 
> So start calling the IRQ handlers for *every* PCI device until the
> damn interrupt goes away, or you've really proved that it can't
> be shut up.

See the "irqpoll" option. We don't however try and learn IRQ errors
from it although we certainly could do so (and indeed Ingo semi jokingly
suggested it when the patch went in)
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