Description

kemi python3: exception occur when import logging module

Troubleshooting

Reproduction

very simple to reproduce is add this line to python kemi file

import logging

Debugging Data

(paste your debugging data here)

Log Messages

 0(49) INFO: <core> [core/tcp_main.c:4983]: init_tcp(): using epoll_lt as the io watch method (auto detected)
 0(49) WARNING: outbound [outbound_mod.c:121]: mod_init(): "stun" module is not loaded. STUN is required to use outbound with UDP.
 0(49) INFO: <core> [core/kemi.c:105]: sr_kemi_core_info(): KAMAILIO PYTHON3 APPLICATION INSTANTIATE CLASS OBJECT
 0(49) INFO: <core> [core/kemi.c:105]: sr_kemi_core_info(): KAMAILIO INITIATION
 0(49) INFO: <core> [main.c:3030]: main(): processes (at least): 25 - shm size: 268435456 - pkg size: 16777216
 0(49) INFO: <core> [core/udp_server.c:154]: probe_max_receive_buffer(): SO_RCVBUF is initially 212992
 0(49) INFO: <core> [core/udp_server.c:206]: probe_max_receive_buffer(): SO_RCVBUF is finally 425984
Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28>
Traceback (most recent call last):
  File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock
    _lock.release()
RuntimeError: cannot release un-acquired lock
Ignoring exception from logging atfork <_StderrHandler <stderr> (WARNING)> release method: cannot release un-acquired lock
 1(50) INFO: <core> [core/kemi.c:105]: sr_kemi_core_info(): KAMAILIO CHILD PROCESS INITIALIZED 1
Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28>
Traceback (most recent call last):
  File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock
Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28>
Traceback (most recent call last):
  File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock
Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28>
Traceback (most recent call last):
  File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock
    _lock.release()
Exception ignored in: <function _releaseLock at 0x7fb7ed1d3f28>
Traceback (most recent call last):
  File "/usr/lib/python3.7/logging/__init__.py", line 226, in _releaseLock
    _lock.release()
    _lock.release()

SIP Traffic

(paste your sip traffic here)

Possible Solutions

Additional Information

Test on 5.5.2 and 5.4.7 both occur the issue

root@c011e17b1e00:/opt/siproxy# kamailio -v
version: kamailio 5.5.2 (x86_64/linux) 55e232
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, TLS_PTHREAD_MUTEX_SHARED
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: 55e232 
compiled on 11:54:55 Oct 14 2021 with gcc 8.3.0

root@sgcoordinator1:/opt# kamailio -v
version: kamailio 5.4.5 (x86_64/linux) c46342
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_BLACKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
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: c46342 
compiled on 07:26:04 Jul 23 2021 with gcc 8.3.0

Linux c011e17b1e00 5.10.47-linuxkit #1 SMP Sat Jul 3 21:51:47 UTC 2021 x86_64 GNU/Linux
Linux machine 4.19.0-16-cloud-amd64 #1 SMP Debian 4.19.181-1 (2021-03-19) x86_64 GNU/Linux

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