[asterisk-bugs] [JIRA] (ASTERISK-29429) asterisk deadlock issue

[Asterisk Team (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Asterisk Team closed ASTERISK-29429.
------------------------------------

    Resolution: Won't Fix

> asterisk deadlock issue
> -----------------------
>
>                 Key: ASTERISK-29429
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29429
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: . I did not set the category correctly.
>    Affects Versions: 13.18.2
>         Environment: openwrt
>            Reporter: priya
>            Severity: Blocker
>
> + We are facing asterisk deadlock issue everyday with call load of 32 channel at a time.
> + Can Dial plan handling also create deadlock issue.
> +  We need some guidance only which part of code or Dial Plan we can check,
>  i am going to attach "core show lock" output. 
> =======================================================================
> === 13.18.2
> === Currently Held Locks
> =======================================================================
> ===
> === <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
> ===
> === Thread ID: 0x76524d2c LWP:350 (do_devstate_changes  started at [  646] devicestate.c ast_device_state_engine_init())
> === ---> Lock #0 (main.c): RDLOCK 1113 find_device_ex &(&state->devices)->lock 0x5d20f8 (1)
> === ---> Waiting for Lock #1 (main.c): MUTEX 1116 find_device_ex &pvt->lock 0x659104 (1)
> === --- ---> Locked Here: main.c line 514 (call_monitor)
> === -------------------------------------------------------------------
> ===
> === Thread ID: 0x768a6d2c LWP:1427 (thread_discovery started at [  913] chan_dongle.c discovery_restart())
> === ---> Lock #0 (chan_dongle.c): MUTEX 514 call_monitor &pvt->lock 0x659104 (1)
> === ---> Waiting for Lock #1 (channel.c): MUTEX 1080 __ast_queue_frame chan 0x712fa0 (1)
> === --- ---> Locked Here: channel.c line 2718 (ast_hangup)
> === -------------------------------------------------------------------
> === -------------------------------------------------------------------
> ===
> === Thread ID: 0x76790d2c LWP:19943 (pbx_thread           started at [ 4634] pbx.c ast_pbx_start())
> === ---> Lock #0 (channel.c): MUTEX 2718 ast_hangup chan 0x712fa0 (1)
> === ---> Waiting for Lock #1 (channel.c): MUTEX 408 channel_hangup &pvt->lock 0x659104 (1)
> === --- ---> Locked Here: main.c line 514 (call_monitor)
> === -------------------------------------------------------------------
> ===
> === Thread ID: 0x744a7d2c LWP:28095 (netconsole           started at [ 1739] asterisk.c listener())
> === ---> Lock #0 (cli.c): RDLOCK 76 cli_show_devices &(&gpublic->devices)->lock 0x5d20f8 (1)
> === ---> Waiting for Lock #1 (cli.c): MUTEX 79 cli_show_devices &pvt->lock 0x659104 (1)
> === --- ---> Locked Here: main.c line 514 (call_monitor)
> === -------------------------------------------------------------------
> ===
> === Thread ID: 0x744e5d2c LWP:28218 (pbx_thread           started at [ 4634] pbx.c ast_pbx_start())
> === ---> Lock #0 (chan_dongle.c): RDLOCK 1164 find_device_by_resource_ex &(&state->devices)->lock 0x5d20f8 (1)
> === ---> Waiting for Lock #1 (main.c): MUTEX 1201 find_device_by_resource_ex &pvt->lock 0x659104 (1)
> === --- ---> Locked Here: main.c line 514 (call_monitor)
> === -------------------------------------------------------------------
> ===
> === Thread ID: 0x7442bd2c LWP:28406 (pbx_thread           started at [ 4634] pbx.c ast_pbx_start())
> === ---> Lock #0 (main.c): RDLOCK 1164 find_device_by_resource_ex &(&state->devices)->lock 0x5d20f8 (1)
> === ---> Waiting for Lock #1 (main.c): MUTEX 1201 find_device_by_resource_ex &pvt->lock 0x659104 (1)



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