[Bug 251836] x11-wm/plasma5-kwin: freezes with iris (Intel Gen8+)

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=251836

Jan Beich <jbeich at FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|Open                        |Closed
         Resolution|---                         |FIXED

--- Comment #34 from Jan Beich <jbeich at FreeBSD.org> ---
2021Q1 is close, so I've landed the workaround for the high-profile regression:
- KDE cas was confirmed by many users with high certainty (also tested by
myself)
- Cinnamon was confirmed but only by 1 person from the future (need more users
or test it myself)
- Enlightment isn't confirmed yet to be due to iris + GLX_EXT_buffer_age
- GNOME maybe similar to Cinnamon but no one reported compositing issues so far
- XFCE probably doesn't use GLX_EXT_buffer_age

Charlie Li, can you file a new bug and attach a patch with what works for you?
Also check if GLX_EXT_buffer_age can be disabled only for compositor itself
(muffin) instead for the entire shell (cinnamon process).

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