StacktraceTop:_int_free (av=<value optimized out>, p=0xa8a78f38) at malloc.c:4875 *__GI___libc_free (mem=0xa8a78f40) at malloc.c:3716 ?? () from /usr/lib/libGL.so.1
StacktraceTop: _int_free (av=<value optimized out>, p=0xa8a78f38) at malloc.c:4875
*__GI___libc_free (mem=0xa8a78f40) at malloc.c:3716
?? () from /usr/lib/libGL.so.1