[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: Wed, 10 Jan 2024 08:53:18 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267915

--- Comment #23 from steveh <stevehso51@gmail.com> ---
Following discussion on the user forum, a workaround has been found for the
suspend-resume case for X11.  Setting sysctl kern.vt_suspendswitch=0 prevents
the VT switch on suspend-resume and hence prevents the bug from occurring in
the suspend-resume case.  The problem still occurs after doing any manual VT
switch while the x display is running.

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