On my side, I have also a different behavior under X11 (not working) or Xwayland (working) and tty+weston (working) session. Don't know if it may be interesting.
- remarks about libva Patrice Duroux
- Bug#955585: remarks about libva Sebastian Ramacher
- Bug#955585: libva: fails to detect dri... Christoph Anton Mitterer
- Bug#955585: libva: fails to detect dri... Patrice Duroux
- Bug#955585: marked as done (libva: fai... Debian Bug Tracking System
