Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1249678448 (LWP 29927)] 0xb75cbcc0 in strcmp () from /lib/libc.so.6 (gdb) bt #0 0xb75cbcc0 in strcmp () from /lib/libc.so.6 #1 0xb7a49fa5 in ?? () from /usr/lib/libgobject-2.0.so.0 #2 0x00000000 in ?? ()