.
Thread 1 (Thread 0x2bc97950 (LWP 4387)):
#0  0x2b3ad85a in ?? () from /usr/lib/arm-linux-gnueabihf/libcogl.so.5
No symbol table info available.
#1  0x2b3aed84 in cogl_object_unref () from /usr/lib/arm-linux-gnueabihf/libcogl.so.5
No symbol table info available.
#2  0x7ea652cc in ?? ()
No symbol table info available.
#3  0x7ea652cc in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)