[asterisk-bugs] [JIRA] (ASTERISK-29846) channels: bad ao2 ref causes crash

[N A (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=257701#comment-257701 ] 

N A commented on ASTERISK-29846:
--------------------------------

I do not. I was hoping this might be enough to clue somebody in on something...

I'm having an issue with this system where it seems like it doesn't dump a backtrace unless I manually start as asterisk -g in the /tmp directory (it runs as the asterisk user), even though coredumps=yes is in asterisk.conf. As such, that has already squandered a few opportunities where it crashed and there were no core dumps to process.

If a backtrace is required, I will wait until this happens and again and hopefully there is a core dump.

> channels: bad ao2 ref causes crash
> ----------------------------------
>
>                 Key: ASTERISK-29846
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29846
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: General
>    Affects Versions: 18.9.0
>         Environment: Debian 10
>            Reporter: N A
>            Assignee: N A
>
> Currently, Asterisk crashes randomly every few days, not seemingly linked to anything going on at the moment. In fact, prior to this crash, the system was completely idle (no calls) for the previous 34 minutes.
> Here is a backtrace from right before the last crash, useful as it has line numbers:
> 01:35:03 ERROR[13076] : Got 10 backtrace records
> # 0: [0x55ca492928cc] asterisk utils.c:2727 __ast_assert_failed()
> # 1: [0x55ca49109db3] asterisk astobj2.c:212 log_bad_ao2()
> # 2: [0x55ca4910a73a] asterisk astobj2.c:501 __ao2_ref()
> # 3: [0x55ca4917269a] asterisk cli.c:1218 handle_chanlist()
> # 4: [0x55ca4917859f] asterisk cli.c:3020 ast_cli_command_full()
> # 5: [0x55ca49178734] asterisk cli.c:3048 ast_cli_command_multiple_full()
> # 6: [0x55ca49101e0c] asterisk asterisk.c:1424 netconsole()
> # 7: [0x55ca4928fb57] asterisk utils.c:1572 dummy_start()
> # 8: [0x7f257c305fa3] libpthread.so.0 pthread_create.c:487 start_thread()
> # 9: [0x7f257bd994cf] libc.so.6 clone.S:97 clone()



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