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Message-ID: <874ph8ovtm.fsf@shaolin.home.digitalvampire.org>
Date:	Wed, 03 Oct 2007 12:13:41 -0700
From:	Roland Dreier <roland@...italvampire.org>
To:	ebiederm@...ssion.com (Eric W. Biederman)
Cc:	Greg KH <greg@...ah.com>, linux-pci@...ey.karlin.mff.cuni.cz,
	linux-kernel@...r.kernel.org
Subject: Re: MSI: Use correct data offset for 32-bit MSI in read_msi_msg()

 > > While reading the MSI code trying to find a reason why MSI wouldn't
 > > work for devices that have a 32-bit MSI address capability, I noticed
 > > that read_msi_msg() seems to read the message data from the wrong
 > > offset in this case.
 > 
 > Doh!  Sorry about that.

Doesn't matter, it wasn't the bug hitting me anyway :) the IRQ never
got affinity changed so read_msi_msg() never even got called.

I'm starting to think that Intel 945GM graphics just has a busted MSI
implementation, although there may be a bug hiding in the Linux code
that I'm not seeing.

 - R.
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