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

Nigel Daniels nigel.daniels at gmail.com
Mon Jun 6 20:41:23 CEST 2022


Correction: https://github.com/kamailio/kamailio/issues/3125 5.6.0 I
mentioned it here


On Mon, Jun 6, 2022 at 11:40 AM Nigel Daniels <nigel.daniels at gmail.com>
wrote:

> 5.6.0 I also mentioned it here  and my workaround in greater detail.
>
> -Thanks.
>
> On Thu, Jun 2, 2022 at 7:44 AM Daniel-Constantin Mierla <miconda at gmail.com>
> wrote:
>
>> 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 legmodparam("tm", "failure_reply_mode", 3)# default retransmission timeout: 30secmodparam("tm", "fr_timer", 30000)# default invite retransmission timeout after 1xx: 120secmodparam("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 sysimport 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")
>>         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.comwww.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/
>>
>>
>
> --
> - Nigel
>


-- 
- Nigel
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