https://bugs.freedesktop.org/show_bug.cgi?id=68451
--- Comment #53 from Marek Olšák maraeo@gmail.com --- Created attachment 93328 --> https://bugs.freedesktop.org/attachment.cgi?id=93328&action=edit fix 2
(In reply to comment #52)
(In reply to comment #51)
R600_DEBUG=noinvalrange
Yes, that one fixes the problem.
Please try the attached patch with and without: R600_DEBUG=nodma,nocpdma