It seems to me that the real problem is this:
(gdb) frame 1
#1 0x00007f7bd49cf35a in dlg_clean_run (ti=73979985) at dlg_hash.c:253
253 if(update_dlg_timer(&dlg->tl, 10)<0) {
(gdb) print dlg
$1 = (dlg_cell_t *) 0x0
--
Alex Balashov - Principal
Evariste Systems LLC
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http://www.entrepreneur.com/article/232906