i915 driver fails on i686 userspace + x86_64 kernel

[Chris Wilson]

On Tue, Oct 15, 2013 at 11:12:24AM -0400, Pavel Roskin wrote:
> On Sun, 13 Oct 2013 15:00:04 +0100
> Chris Wilson <chris at chris-wilson.co.uk> wrote:
> 
> > On Sun, Oct 13, 2013 at 12:40:10AM -0400, Pavel Roskin wrote:
> > > I won't see that system until Tuesday.  I'll give you the
> > > information you ask, I'm just trying to understand the debugging
> > > data I have already.
> > 
> > I've just double checked that an i386 Xserver runs with an x86-64
> > kernel here.
> 
> That's very interesting.  Then I was barking up the wrong tree.  It's
> not the pointer passing per se, it's more like memory corruption or some
> other weird stuff.
> 
>  I think a full dmesg and Xorg.0.log may help unravel the
> > mystery of what is failing on your machine.
> 
> Attached.  Fresh git master for the kernel and xf86-video-intel.

Hmm, ok sadly that confirms the failure you reported and nothing else.

I've pushed

commit dc072db862372f1424195c0c774d10f148b0fcc6
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Tue Oct 15 16:21:41 2013 +0100

    sna: Add DBG along all output init failure paths
    
    Suggested-by: Pavel Roskin <proski at gnu.org>
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

to try and grab more information about the failure here.
Thanks,
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre