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

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267915

--- Comment #52 from steveh <stevehso51@gmail.com> ---
Re-tested on userland 14.2-RELEASE-p3, kernel is at 14.2-RELEASE-p1, on
thinkpad X201, intel integrated graphics.

user@:~$ glxinfo -B | grep -i accel
    Accelerated: yes
user@:~$ xdriinfo
Screen 0: crocus

# note from above output: GL acceleration is active and 'crocus' driver is
loaded.

# perform manual vtswitch to a different VT and then back to X11 session
# ctrl-alt-F4, then ctrl-alt-F9

user@:~$ xdriinfo
failed to authenticate magic 1
failed to load driver: crocus
failed to authenticate magic 1
failed to load driver: crocus
Screen 0: swrast

# note from above output: crocus driver is not loaded and software driver
'swrast'
# is now loaded

user@:~$ glxinfo -B | grep -i accel
failed to authenticate magic 1
failed to load driver: crocus
failed to authenticate magic 1
failed to load driver: crocus
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
'-avx512er' is not a recognized feature for this target (ignoring feature)
'-avx512pf' is not a recognized feature for this target (ignoring feature)
    Accelerated: no

Ergo, the bug is recreated.  QED.

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