[Nouveau] [Bug 62914] ZaphodHeads doesn't work after upgrading to xorg 1.14

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=62914

Jason Stubbs <jasonbstubbs at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |jasonbstubbs at gmail.com

--- Comment #20 from Jason Stubbs <jasonbstubbs at gmail.com> ---
Hi,

I was getting the "[drm] error opening the drm" error, which is what led me to
this bug, and d3b52efe solves it for me too. I think the crash is a different
error as the "error opening the drm" error existed even on 1.0.4 whereas that
version didn't have the crash.

Having said that, I'm getting the crash too and have got some of the
information you've asked for so. seeing it's already been discussed on this
bug, I'll go ahead and post it here.

git bisect led me to this commit:


commit 1fdd7db94b55c65ea62cc9eaefff620b20e9e4ea
Author: Dave Airlie <airlied at redhat.com>
Date:   Mon Jan 7 15:28:53 2013 +1000

    nouveau: add reverse prime support

    This allows the nvidia card to scanout Intel cards rendering.

    Signed-off-by: Dave Airlie <airlied at redhat.com>


It didn't revert cleanly against master and how to fix the conflict wasn't
clear to me so I haven't been able to test that.

The disassemble points to the function drmmode_set_mode_major. I'll attach that
output, along with my Xorg.0.log after this.

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