https://bugs.freedesktop.org/show_bug.cgi?id=39320
--- Comment #7 from Michal Suchanek hramrach@gmail.com 2011-09-19 09:39:58 PDT --- According to apitrace author the glretrace crash is due to gallium reading more data than is in the buffer.
https://github.com/apitrace/apitrace/issues/39#issuecomment-2134199