(gdb) bt full
#0  0xb7ebf4f2 in malloc_usable_size () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#1  0xb7ec05d3 in free () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb7ec2391 in malloc () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7be0f10 in g_malloc () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#4  0xb719d3f8 in gst_buffer_new_and_alloc (size=15723) at gstbuffer.c:278
        newbuf = (GstBuffer *) 0x8571f58
        __PRETTY_FUNCTION__ = "gst_buffer_new_and_alloc"
#5  0xb55c6560 in read_cache (packetize=0x8547fb0, length=15723, outbuf=0xb53ff124) at gstmpegpacketize.c:147
No locals.
#6  0xb55c6621 in parse_generic (packetize=0x8547fb0, outbuf=0xb53ff124) at gstmpegpacketize.c:217
        buf = (guchar *) 0x864d590 "=e\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff\uffff!"
        length = 15723
        got_bytes = Variable "got_bytes" is not available.