Subject: Re: [PATCH] ALSA: hda-intel - Disable MSI support by default
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: David Miller <davem@davemloft.net>
Cc: jeff@garzik.org, torvalds@osdl.org, linux-kernel@vger.kernel.org,
       tiwai@suse.de
In-Reply-To: <20061114.201549.69019823.davem@davemloft.net>
References: <20061114.192117.112621278.davem@davemloft.net>
	 <Pine.LNX.4.64.0611141935390.3349@woody.osdl.org>
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	 <20061114.201549.69019823.davem@davemloft.net>
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Date: Thu, 16 Nov 2006 13:24:19 +1100
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> Is this absolutely true?  I've never been sure about this point, and I
> was rather convinced after reading various documents that once you
> program up the MSI registers to start generating MSI this implicitly
> disabled INTX and this was even in the PCI specification.

I think it is in the spec, that doesn't mean all device vendors get it
right. I have a vendor spec under my eyes at the moment (sorry, can't
say what it is) which has exactly this bug.

Ben.


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