https://bugs.freedesktop.org/show_bug.cgi?id=110637
--- Comment #1 from Alexander Mezin mezin.alexander@gmail.com --- And the same thing with 4.19.40. And with manually built drm-next.
Also, not only libreoffice, but literally any application that uses OpenCL triggers the same problem. It seems that I just can't use OpenCL at all.