[SR-Users] Fatal Python error: failed releasing import lock after fork

[Daniel-Constantin Mierla]

What version of Kamailio are you using (kamailio -v)?

Cheers,
Daniel

On 29.05.22 08:18, Nigel Daniels wrote:
> The logs appear as follows:
>
> Fatal Python error: failed releasing import lock after fork
>
>
>  Current thread 0x 7(13) DEBUG: <core> [core/utils/sruid.c:121]:
> sruid_init(): root for sruid is [srid-62930e67-d-] (0 / 16)
> kamailio             | 00007fe8fb8a4180 (most recent call first):
> kamailio             | <no Python frame>
> kamailio             |  7(13) DEBUG: <core> [core/sr_module.c:875]:
> init_mod_child(): idx 7 rank -2: tm [ctl handler]
> kamailio             |  7(13) DEBUG: tm [callid.c:136]:
> child_init_callid(): callid: '06d932e436730fa0-13 at 10.10.0.4'
> kamailio             |  7(13) DEBUG: <core> [core/sr_module.c:875]:
> init_mod_child(): idx 7 rank -2: tmx [ctl handler]
> kamailio             |  7(13) DEBUG: tmx [tmx_mod.c:262]:
> child_init(): rank is (-2)
> kamailio             |  7(13) DEBUG: <core> [core/sr_module.c:875]:
> init_mod_child(): idx 7 rank -2: sl [ctl handler]
> kamailio             |  7(13) DEBUG: <core> [core/sr_module.c:875]:
> init_mod_child(): idx 7 rank -2: ctl [ctl handler]
> kamailio             |  7(13) DEBUG: <core> [core/sr_module.c:875]:
> init_mod_child(): idx 7 rank -2: debugger [ctl handler]
> kamailio             |  7(13) DEBUG: debugger [debugger_mod.c:224]:
> child_init(): rank is (-2)
> kamailio             |  7(13) DEBUG: <core> [core/sr_module.c:875]:
> init_mod_child(): idx 7 rank -2: app_python3 [ctl handler]
> kamailio             |  7(13) DEBUG: app_python3 [apy_kemi.c:234]:
> sr_apy_kemi_exec_func_ex(): execution of method: .info
> kamailio             |  7(13) DEBUG: app_python3 [apy_kemi.c:266]:
> sr_apy_kemi_exec_func_ex(): param[1] for: info is str: =====
> kamailio.child_init(-2)
> kamailio             |
> kamailio             |  7(13) INFO: <core> [core/kemi.c:106]:
> sr_kemi_core_info(): ===== kamailio.child_init(-2)
> kamailio             |  7(13) DEBUG: ctl [ctl.c:329]: mod_child():
> ctl: mod_child(0), fork_process=0, csl=0x556774893180
> kamailio             |  7(13) DEBUG: ctl [ctl.c:336]: mod_child():
> ctl: 0 io_listen_loop(1, 0x556774893180)
> kamailio             |  7(13) INFO: ctl [io_listener.c:213]:
> io_listen_loop(): io_listen_loop:  using epoll_lt io watch method (config)
> kamailio             |  7(13) DEBUG: ctl [io_listener.c:245]:
> io_listen_loop(): io_listen_loop: adding socket 8, type 2, transport 3
> (/var/run/kamailio//kamailio_ctl)
> kamailio             |  7(13) DEBUG: ctl [../../core/io_wait.h:374]:
> io_watch_add(): processing io_watch_add(0x7fe8f9aef380, 8, 2,
> 0x556774893180) - fd_no=0
>
>
> Running python 3.8.10
>
> using the suggested.
> # ----------------- setting module-specific parameters ---------------
> # ----- tm params ----- # auto-discard branches from previous serial
> forking leg modparam("tm", "failure_reply_mode", 3)
> # default retransmission timeout: 30sec modparam("tm", "fr_timer", 30000)
> # default invite retransmission timeout after 1xx: 120sec modparam("tm", "fr_inv_timer", 120000)
>
> # ----- debugger params ----- modparam("debugger", "cfgtrace", 1)
>
> ####### Routing Logic ######## modparam("app_python3", "load", "/opt/kamailio/etc/kamailio.py")
>
> cfgengine "python"a
>
> import sys
> import KSR as KSR
>
>
> def dumpObj(obj):
>     for attr in dir(obj):
>         KSR.info("obj.%s = %s\n" % (attr, getattr(obj, attr)))
>
>
> def mod_init():
>     KSR.info("===== from Python mod init\n")
>     dumpObj(KSR)
>     return kamailio()
>
>
> class kamailio:
>     def __init__(self):
>         KSR.info('===== kamailio.__init__\n')
>
>     def child_init(self, rank):
>         KSR.info('===== kamailio.child_init(%d)\n' % rank)
>         return 0 def ksr_request_route(self, msg):
>         KSR.info("===== request - from kamailio python script\n")
>         KSR.setdsturi("sip:alice at 127.0.0.1:5080 <http://sip:alice@127.0.0.1:5080>")
>         KSR.tm.t_on_branch("ksr_branch_route_one")
>         KSR.tm.t_on_reply("ksr_onreply_route_one")
>         KSR.tm.t_on_failure("ksr_failure_route_one")
>         KSR.sl.send_reply(100, "Trying")
>         if KSR.tm.t_relay() < 0 :
>             KSR.sl.send_reply(500, "Server error")
>         return 1 def ksr_reply_route(self, msg):
>         KSR.info("===== response - from kamailio python script\n")
>         return 1 def ksr_onsend_route(self, msg):
>         KSR.info("===== onsend route - from kamailio python script\n")
>         return 1 def ksr_branch_route_one(self, msg):
>         KSR.info("===== branch route - from kamailio python script\n")
>         return 1 def ksr_onreply_route_one(self, msg):
>         KSR.info("===== onreply route - from kamailio python script\n")
>         return 1 def ksr_failure_route_one(self, msg):
>         KSR.info("===== failure route - from kamailio python script\n")
>         return 1
>
> Any help is appreciated, thanks.
>
>
> -- 
> - Nigel 
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - Online: June 20-23, 2022
  * https://www.asipto.com/sw/kamailio-advanced-training-online/
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