[SR-Users] Kamailio not responding after stress test

[Ihor Olkhovskyi]

Daniel,

Thanks for the tip, recompiled and got a new trace

https://pastebin.com/NxCXA1gT

Not sure what happened, but sometimes running kamctl trap restores 
Kamailio functionality to accept connections.

Thanks in advance!

Le 29/11/2022 à 08:07, Daniel-Constantin Mierla a écrit :
>
> 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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