Comment # 9 on bug 1190986 from Jiri Slaby

(In reply to Takashi Iwai from comment #8)
> The best option we can take would be to report the problem to the upstream;
> you can report on gitlab.freedesktop.org Issues.

Right, I'm afraid there is a little we can do about this, provided this is an
upstream bug and noone in upstream cared to fix this until now.