https://bugs.freedesktop.org/show_bug.cgi?id=85207
--- Comment #9 from Andy Furniss adf.lists@gmail.com --- (In reply to Christian König from comment #6)
But first things first, is the original issue with the list corruption fixed? If yes we can start to look into this one as well.
Enough time has passed now, so I do think that the patch fixed the list corruption.