THIS IS AN AUTOMATED MESSAGE, DO NOT REPLY. 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 can't accept new connections(tls) Task Type - Bug Report Category - tcp Status - Unconfirmed Assigned To - Operating System - Linux Severity - Critical Priority - Normal Reported Version - 3.2 Due in Version - Undecided Due Date - Undecided Details - describe 1,Applications Scenarios 1.1,our customers connect kamailio SERV via TLS on mobile phones. 1.2,our user volume ranges from 100,000 to 150,000. 1.3,our customers's network environment are quite uncertain and uncontrolled. 2,Problem 2.1 For the past 6 months,kamailio SERVER runs quite well. 2.2,recently,I add a new config "tcp_rd_buf_size = 10000" for some reason. 2.3,The kamailio SERVER runs for about some hours,it couldn't accept new connections anymore. 2.4,stracing one process gets many "futex(0x8049910, FUTEX_WAIT, 0, NULL <unfinished ...>" 2.5,gdb process in attach Any advice would be nice computer: OS: unbuntu 12.04 64 CPU: 8 core MEM: 16G sysctl.conf net.core.somaxconn =10240 net.ipv4.tcp_timestamps =1 net.ipv4.tcp_tw_recycle =1 net.ipv4.tcp_tw_reuse =1 net.ipv4.tcp_fin_timeout = 30 net.ipv4.tcp_keepalive_time = 1200 net.ipv4.tcp_max_syn_backlog = 8192 net.ipv4.tcp_max_tw_buckets = 5000 kamailio: ver: 3.2.1 config: 1,kamailio.cfg tcp_children = 30 tcp_connection_lifetime=960 tcp_max_connections = 250000 tcp_no_connect = yes tcp_poll_method = epoll_et tcp_rd_buf_size = 10000 2,kamctlrc STARTOPTIONS="-m 8192 -M 64" 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=257 You are receiving this message because you have requested it from the Flyspray bugtracking system. If you did not expect this message or don't want to receive mails in future, you can change your notification settings at the URL shown above.