multi-function PCI device claiming.

From: Dave Jones
Date: Mon Nov 20 2006 - 12:42:07 EST


I had a user report a bug against the Fedora kernel where
his Matrox G400 wouldn't work with the matrox framebuffer
driver any more.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=195825

It turned out to be caused by the fact that the matrox_w1
one-wire driver had loaded first. Moving that driver
out of the way so that it didn't get loaded would allow
the framebuffer driver to load.

There are a number of similar cases like this which seem
to be coming out of the woodwork lately. I've also heard
as-yet unconfirmed rumours that agp-intel and one of the
watchdog drivers suffers the same "first to load wins" problem.

What's the correct way to fix this ?

Dave

--
http://www.codemonkey.org.uk
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