``` Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/usr/sbin/kamailio -P /run/kamailio/kamailio.pid -m 128 -M 8'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x000000000041b5c9 in _dns_hash_remove (e=0x7f3321d5dde0) at dns_cache.c:495 495 debug_lu_lst("_dns_hash_remove: post rm:", &e->last_used_lst); (gdb) bt full #0 0x000000000041b5c9 in _dns_hash_remove (e=0x7f3321d5dde0) at dns_cache.c:495 __func__ = "_dns_hash_remove" #1 0x0000000000420eb8 in dns_cache_clean (no=4294967295, expired_only=1) at dns_cache.c:637 e = 0x7f3321d5dde0 now = 1894768549 n = 0 deleted = 0 l = 0x7f3321d5ddf0 tmp = 0x7f3321e6e528 #2 0x000000000041906d in dns_timer (ticks=1894768549, tl=0x7f331eaf10e8, data=0x0) at dns_cache.c:206 No locals. #3 0x000000000049e6aa in slow_timer_main () at timer.c:1130 n = 12 ret = 4294967295 tl = 0x7f331eaf10e8 i = 243 __func__ = "slow_timer_main" #4 0x00000000005251dc in main_loop () at main.c:1645 i = 2 pid = 0 si = 0x0 si_desc = "udp receiver child=1 sock=[2001:55C:DC00:100:0:0:0:3]:5060\000\000\001\000\000\000h\227\036\060\063\177\000\000 \230\036\060\063\177\000\000\000n\\R\377\177\000\000\350\352\345\036\063\177\000\000\260~\260&3\177\000\000P\\O33\177\000\000 Q\260&3\177\000\000\003\000\000\000\001\000\000" nrprocs = 2 woneinit = 1 __func__ = "main_loop" #5 0x000000000052b540 in main (argc=7, argv=0x7fff525c7158) at main.c:2591 cfg_stream = 0x1279010 c = -1 r = 0 tmp = 0x7fff525c7f3d "" tmp_len = 0 port = 1700966438 proto = 32767 options = 0x74c478 ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:x:X:" ret = -1 seed = 3889260924 rfd = 4 debug_save = 0 debug_flag = 0 dont_fork_cnt = 0 n_lst = 0x0 p = 0x7 <error: Cannot access memory at address 0x7> st = {st_dev = 20, st_ino = 1223079, st_nlink = 2, st_mode = 16872, st_uid = 986, st_gid = 983, __pad0 = 0, st_rdev = 0, st_size = 40, st_blksize = 4096, st_blocks = 0, st_atim = {tv_sec = 1447110524, tv_nsec = 573100727}, st_mtim = {tv_sec = 1447110524, tv_nsec = 573100727}, st_ctim = {tv_sec = 1447110524, tv_nsec = 573100727}, __glibc_reserved = {0, 0, 0}} __func__ = "main" ``` --- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/393