linux-kernel - Re: modular intel-agp does not work on my box

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Message-ID: <20080223181414.GA24313@codemonkey.org.uk>
Date:	Sat, 23 Feb 2008 13:14:14 -0500
From:	Dave Jones <davej@...emonkey.org.uk>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Gabriel C <nix.or.die@...glemail.com>,
	Dave Airlie <airlied@...ux.ie>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Gabriel C <crazy@...galware.org>,
	Doug Thompson <dougthompson@...ssion.com>
Subject: Re: modular intel-agp does not work on my box

On Sat, Feb 23, 2008 at 12:03:55AM -0800, Andrew Morton wrote:
 
 > >  > You are right without EDAC built , agp modular does work fine. I'm on 2.6.25-rc2-00477-g1a4c6be right now.
 > >  > So it is an EDAC bug ?
 > >  
 > > No, it's a failing of the pci driver model. It currently doesn't
 > > allow more than one driver to be bound to a single PCI device.
 > > For multi-function devices like bridges, this means we see problems
 > > like the one you mention.
 > 
 > Well that sounds pretty bad.  What will distros do about this?

either
*  ship both modular, and let the user decide which one he wants.
*  build just one of them (typically agp)
*  build them both, and let the above bug happen
*  build agp into the kernel, and edac modular, breaking edac
   for a minority.
 
 > Is there something short-term-and-sleazy we can do to "fix" it?

not that I'm aware of.  I think Greg has been working on a long-term fix.

	Dave

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