https://bugs.freedesktop.org/show_bug.cgi?id=30616
--- Comment #11 from Andy Furniss lists@andyfurniss.entadsl.com 2010-12-15 12:44:25 PST --- (In reply to comment #10)
../../../../../src/gallium/auxiliary/util/u_inlines.h:81:pipe_reference_described: Assertion `pipe_is_referenced(reference)' failed.
Fixed in master now, by (I guess) r600g: need to reference upload buffer as the might still live accross flush