[asterisk-bugs] [JIRA] (ASTERISK-29101) Asterisk Dead lock on SIP and RTP

[Vijo Jose (JIRA)]

Vijo Jose created ASTERISK-29101:
------------------------------------

             Summary: Asterisk Dead lock on SIP and RTP
                 Key: ASTERISK-29101
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29101
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Addons/format_mp3, Addons/res_config_mysql
    Affects Versions: 16.1.1
         Environment: CentOS Linux release 7.6.1810 (Core) 
            Reporter: Vijo Jose
            Severity: Critical


Hi all.
I have an asterisk server installed with version 16.1.1 on centos 7 Os.

I have noticed that sometimes my all SIP peers going unreachable including the looping SIP trunk(127.0.0.1) which I have. I was checking for the locks in asterisk using asterisk -rx “core show locks” and below is my result.


===
=== Thread ID: 0x7f1ea0930700 LWP:30389 (do_monitor           started at [29979] chan_sip.c restart_monitor())
=== ---> Lock #0 (chan_sip.c): MUTEX 29340 handle_request_do &netlock 0x7f1f01b2f680 (1)
	asterisk(__ast_pthread_mutex_lock+0x85) [0x501885]
	/usr/lib64/asterisk/modules/chan_sip.so(+0xa33d6) [0x7f1f018ff3d6]
	/usr/lib64/asterisk/modules/chan_sip.so(+0xa4fcf) [0x7f1f01900fcf]
	asterisk(ast_io_wait+0x7a) [0x4f517a]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x8086c) [0x7f1f018dc86c]
	asterisk() [0x5a0412]
	/usr/lib64/libpthread.so.0(+0x7dd5) [0x7f1f2690cdd5]
	/usr/lib64/libc.so.6(clone+0x6d) [0x7f1f25caf02d]
=== ---> Lock #1 (chan_sip.c): MUTEX 9370 sip_pvt_lock_full pvt 0x7f1e000661a0 (1)
	asterisk(__ast_pthread_mutex_lock+0x85) [0x501885]
	asterisk(__ao2_lock+0x1c5) [0x45d7f5]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x14bd5) [0x7f1f01870bd5]
	/usr/lib64/asterisk/modules/chan_sip.so(+0xa3405) [0x7f1f018ff405]
	/usr/lib64/asterisk/modules/chan_sip.so(+0xa4fcf) [0x7f1f01900fcf]
	asterisk(ast_io_wait+0x7a) [0x4f517a]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x8086c) [0x7f1f018dc86c]
	asterisk() [0x5a0412]
	/usr/lib64/libpthread.so.0(+0x7dd5) [0x7f1f2690cdd5]
	/usr/lib64/libc.so.6(clone+0x6d) [0x7f1f25caf02d]
=== ---> Lock #2 (rtp_engine.c): MUTEX 692 ast_rtp_instance_set_prop instance 0x7f1e000347c0 (1)
	asterisk(__ast_pthread_mutex_lock+0x85) [0x501885]
	asterisk(__ao2_lock+0x1c5) [0x45d7f5]
	asterisk(ast_rtp_instance_set_prop+0x29) [0x53ed79]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x27ee4) [0x7f1f01883ee4]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x95f88) [0x7f1f018f1f88]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x9771c) [0x7f1f018f371c]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x9a820) [0x7f1f018f6820]
	/usr/lib64/asterisk/modules/chan_sip.so(+0xa0bcd) [0x7f1f018fcbcd]
	/usr/lib64/asterisk/modules/chan_sip.so(+0xa351e) [0x7f1f018ff51e]
	/usr/lib64/asterisk/modules/chan_sip.so(+0xa4fcf) [0x7f1f01900fcf]
	asterisk(ast_io_wait+0x7a) [0x4f517a]
	/usr/lib64/asterisk/modules/chan_sip.so(+0x8086c) [0x7f1f018dc86c]
	asterisk() [0x5a0412]
	/usr/lib64/libpthread.so.0(+0x7dd5) [0x7f1f2690cdd5]




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