On 23/06/14 17:13, Arran Cudbard-Bell wrote: > call backtrace_print(&vp_bt $3 = (const VALUE_PAIR *) 0x7f07f003e780 (gdb) call backtrace_print(&vp_bt, 0x7f07f003e780) No backtrace available for 0x7f07f003e780