Upgraded to MESA 10.6. Still seeing a similar issue but the error message has changed a bit. The error now seems to be with r600_dri.so. kernel: [ 7024.893799] DVDPlayerVideo[3655]: segfault at 7f5a688e8000 ip 00007f5a824798bb sp 00007f5a323ad490 error 7 in r600_dri.so[7f5a821aa000+808000]