[Bug 85016] xorg.conf.d/50-monitor.conf, xorg.conf, & EDID preferred are ignored

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85016

--- Comment #3 from Felix Miata <mrmazda at earthlink.net> ---
Created attachment 107839
  --> https://bugs.freedesktop.org/attachment.cgi?id=107839&action=edit
xorg.conf that works

15:10 -0400 After eliminating /etc/X11/xorg.conf.d/ on 845G, using this
/etc/X11/xorg.conf makes all work as expected on Fedora 21, Rawhide, openSUSE
13.2, and Cauldron (no machine freeze; 120 DPI; 1600x1200; etc.). Commenting
out 'Option "AccelMethod" "UXA"' restores 1024x768 (and in F21/22, freezing).

I repeated on F21/1.16.0 (last updated 25 Sept) on 945G: same results, except
that X did not freeze. I yum distro-sync'd F21 16:00 -0400 and repeated with
same result on 1.16.1.

Chris Wilson wrote:
> Also note that for Option "AccelMethod" "uxa" to work, the stanza must include
> Driver "intel".

I didn't try that initially, but did later after ajax mentioned it on test
list.

> so I am confused as to what this report is for?

Only xrandr works to manually configure X unless UXA is enabled?

> What's happening on Fedora exactly?

Apparently same as Cauldron and Factory, commit hasn't gotten into any standard
repos, and EDID and config files are mis- or not handled when UXA is not
operative, I think. I'm frazzled by what seems to be a compound problem and too
many interruptions to think straight or remember which machine is doing what.
One would think a month old commit would have made it into standard repos of
these devel distro versions. (Or, maybe that 12 Sept. commit isn't on point,
but I sense not.)

F21 # rpm -q --changelog xorg-x11-drv-intel | head -nX
* Thu Sep 11 2014 Dave Airlie <airlied at redhat.com> 2.99.916-2
- backport some SNA and MST fixes.

* Wed Sep 10 2014 Dave Airlie <airlied at redhat.com> 2.99.916-1
- Rebase to 2.99.916

* Wed Sep 03 2014 Dave Airlie <airlied at redhat.com> 2.99.914-4
- Add UXA MST support as a fallback

This is the head of openSUSE BS xf86-video-intel git3.0.0 changelog:
* Wed Sep 24 08:00:00 2014 eich at suse.com
- U_sna-Validate-framebuffer-tiling-before-creation.patch
  Fix regression causing tiling settings not being validated
  which subsequently lead to failed surface allocations (bnc#898169).

* Tue Sep  9 08:00:00 2014 tobias.johannes.klausmann at mni.thm.de

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