[SR-Users] Kamailio not responding after stress test

[Daniel-Constantin Mierla]

Hello,

is libssl/libcrypto compiled/installed with debugging symbols? They are
not shown in the backtrace.

Cheers,
Daniel

On 28.11.22 17:38, Igor Olhovskiy wrote:
> Hello,
>
> I'm continuing investigations on Kamailio and stress test. Got it
> again in the state where it's not accepting any new TCP/TLS
> connections (UDP still works though), but all looks good from
> lsof/netnstat part, like system is not reporting any zombie
> connections. Restart of Kamailio process helps
>
> This time I got output of kamctl trap
>
> Put it here: https://pastebin.com/iYrNZ8U9
>
> kamailio --version
> version: kamailio 5.6.2 (x86_64/linux) 54a9c1
> flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC,
> F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX,
> FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR,
> USE_DST_BLOCKLIST, HAVE_RESOLV_RES
> ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE
> 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
> id: 54a9c1
> compiled on 14:01:01 Oct 18 2022 with gcc 4.8.5
>
> It's statically linked with tlsa pointing on openssl-1.1.1q
>
> Settings related to TLS are:
>
> fork=yes
> children=4
> tcp_children=12
> enable_tls=yes
>
> tcp_accept_no_cl=yes
> tcp_max_connections=63536
> tls_max_connections=63536
> tcp_accept_aliases=no
> tcp_async=yes
> tcp_connect_timeout=10
> tcp_conn_wq_max=63536
> tcp_crlf_ping=yes
> tcp_delayed_ack=yes
> tcp_fd_cache=yes
> tcp_keepalive=yes
> tcp_keepcnt=3
> tcp_keepidle=30
> tcp_keepintvl=10
> tcp_linger2=30
> tcp_rd_buf_size=80000
> tcp_send_timeout=10
> tcp_wq_blk_size=2100
> tcp_wq_max=10485760
> open_files_limit=63536
>
>
> Can you please help to read gdb output and understand where I missed
> in config?
>
> Thanks in advance!
>
>
> -- 
> Best regards,
> Ihor (Igor)
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
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