[Bug 267915] x11-wm/mutter: after graphics/mesa-* 21.3.8 -> 22.2.3 update OpenGL compositing fails on Intel Iris Pro

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 13 Apr 2025 13:38:57 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267915

--- Comment #51 from Harald Schmalzbauer <bugzilla.freebsd@omnilan.de> ---
(In reply to Andre Albsmeier from comment #50)
> Are you 100% sure that you tested the modesetting driver a few weeks ago where it
apparently has worked?

Yes, despite my config identifiers are outdated, the section (as quoted in
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267915#c39) clearly specifies
driver modesetting.

But I guess I just compared the glxinfo -B 'Accelerated' output, not the
xdriinfo(1) after switching VT to console and back.
I doubt the 'option DRI "3"' setting influences the 'libGL error: failed to
load driver' problem at all.
It's just that I restarted x11, which made xdriinfo(1) 'working' back then. 
After VT switching I probably only checked glxinfo -B which still reported 
'Accelerated: yes'.  But most likely the zink fallback (error loading 'iris')
was happening back then too... sorry for confusing effects.

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