[sr-dev] [tracker] Task opened: Kamailio crash when about 300, 000 tls connections opened. (Attachment added)

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Shaobin.Feng (saxon_leo) 

Attached to Project - sip-router
Summary - Kamailio crash when about  300,000 tls connections opened. 
Task Type - Bug Report
Category - Core
Status - Unconfirmed
Assigned To - 
Operating System - Linux
Severity - Critical
Priority - Normal
Reported Version - 3.2
Due in Version - Undecided
Due Date - Undecided
Details - Kamailio crash when about  300,000 tls connections opened. 

=========================================================version info
version: kamailio 3.2.3 (x86_64/linux) 59f87e
flags: STATS: Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 32MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: 59f87e 
compiled on 10:51:38 Jun 13 2012 with gcc 4.5.2

openssl version 1.0.0e
==========================================================config info
relate config

enable_tls=yes                                                                                      
open_files_limit = 500000                                                                           
tcp_children = 80                                                                                   
tcp_connection_lifetime=3600                                                                         
tcp_max_connections = 500000                                                                        
tcp_no_connect = yes                                                                                
tcp_poll_method = epoll_et  

modparam("tls", "ssl_release_buffers", 1)
modparam("tls", "ssl_freelist_max_len", 0)
modparam("tls", "ssl_max_send_fragment", 2048)

modparam("usrloc", "db_mode", 0)
============================================================operate info
Once a connection was created success,while send OPTIONS to keep the connection active before lifetime achieve.

==============================================================log info
426 Jun 14 13:58:40 B2-Ubuntu-01 /usr/local/sbin/kamailio[31516]: ALERT: <core> [main.c:751]: child process 31610 exited by a signal 9
427 Jun 14 13:58:40 B2-Ubuntu-01 /usr/local/sbin/kamailio[31516]: ALERT: <core> [main.c:754]: core was not generated
428 Jun 14 13:58:40 B2-Ubuntu-01 /usr/local/sbin/kamailio[31516]: INFO: <core> [main.c:766]: INFO: terminating due to SIGCHLD
429 Jun 14 13:58:40 B2-Ubuntu-01 /usr/local/sbin/kamailio[31600]: INFO: <core> [main.c:817]: INFO: signal 15 received
430 Jun 14 13:58:40 B2-Ubuntu-01 /usr/local/sbin/kamailio[31520]: INFO: <core> [main.c:817]: INFO: signal 15 received
....
522 Jun 14 13:59:39 B2-Ubuntu-01 /usr/local/sbin/kamailio[31516]: : <core> [main.c:660]: BUG: shutdown timeout triggered, dying...  

==============================================================process info
sercmd core.ps
......
31610
tcp main process

===============================================================core file info
casue the size limit, attach the gdb screenshot

One or more files have been attached.

More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=236

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