https://bugs.freedesktop.org/show_bug.cgi?id=79575
--- Comment #5 from Andrei Slavoiu ansla80@yahoo.com --- BTW, I just noticed that in the latest backtrace util_make_vertex_passthrough_shader_with_so no longer appears. Instead it starts from util_make_empty_fragment_shader. I tried adding R600_DEBUG=fs but no extra info was printed.