[asterisk-bugs] [JIRA] (ASTERISK-29101) chan_sip: Deadlock with res_rtp_asterisk

[Kevin Harwell (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=252432#comment-252432 ] 

Kevin Harwell edited comment on ASTERISK-29101 at 10/15/20 9:51 AM:
--------------------------------------------------------------------

--The given stack trace does not have enough information.--

*edit* realized the data posted is from the lock file. Doing the below could also be helpful if you are able.

Please ensure you have the appropriate debug symbols installed, and Asterisk has been compiled with DONT_OPTIMIZE selected. Then next time this issues occur execute the {{ast_coredumper}} script against the running Asterisk, and attach its results (the *.txt files) here. More information on how to do all that can be found here:

https://wiki.asterisk.org/wiki/display/AST/Getting+a+Backtrace

Thanks!


was (Author: kharwell):
The given stack trace does not have enough information.

Please ensure you have the appropriate debug symbols installed, and Asterisk has been compiled with DONT_OPTIMIZE selected. Then next time this issues occur execute the {{ast_coredumper}} script against the running Asterisk, and attach its results (the *.txt files) here. More information on how to do all that can be found here:

https://wiki.asterisk.org/wiki/display/AST/Getting+a+Backtrace

Thanks!

> chan_sip: Deadlock with res_rtp_asterisk
> ----------------------------------------
>
>                 Key: ASTERISK-29101
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29101
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/General, Resources/res_rtp_asterisk
>    Affects Versions: 16.1.1
>         Environment: CentOS Linux release 7.6.1810 (Core) 
>            Reporter: Vijo Jose
>            Assignee: Vijo Jose
>
> 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.
> {noformat}
> ===
> === 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]
> {noformat}



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