Ok, I ran my application in GDB and this is a result from command bt: Thread 1 "gstreamergtkclu" received signal SIGSEGV, Segmentation fault. 0x00007fffe920f57f in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so -- Sent from: http://gstreamer-devel.966125.n4.nabble.com/