[asterisk-bugs] [JIRA] (ASTERISK-25025) Periodic crashes (in ast_channel_snapshot_create at stasis_channels.c) with Certified Asterisk 13.

[Mark Michelson (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25025?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=226070#comment-226070 ] 

Mark Michelson commented on ASTERISK-25025:
-------------------------------------------

Thanks for all the excellent debugging information. I believe I have zeroed in on the problem here. The crash likely happened on an transfer operation. Asterisk was attempting to log information about the dial attempt between two of the parties, but one of the parties had already been hung up. The problem appears to be that the bookkeeping code is not making proper use of channel reference counts. The fix should be pretty easy. Once I have a fix prepared, I'll put it up for review and link the reviews on this issue.

> Periodic crashes (in ast_channel_snapshot_create at stasis_channels.c) with Certified Asterisk 13.
> --------------------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-25025
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25025
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/General
>    Affects Versions: 13.1.0
>         Environment: Asterisk 13.1-cert2
> Ubuntu Server 14.04.1 LTS (GNU/Linux 3.13.0-35-generic x86_64)
> HP ProLiant DL380p Gen8 with 16 GB memory
> Wildcard AEX2400: wctdm24xxp+
> Wildcard TE420 (5th Gen): wct4xxp+
>            Reporter: Chet Stevens
>            Assignee: Mark Michelson
>         Attachments: 2-backtrace.txt, 2-core_dump_debug.zip, 2-refs.zip, backtrace.txt, gdb_bt_full.txt, gdb_bt.txt, gdb_thread_apply_all_bt.txt
>
>
> We have been experiencing periodic crashes with Certified Asterisk 13 that had not been seen previously before upgrading from Certified Asterisk 11. A backtrace will be attached to this issue. Any additional information can be provided. Thank you.



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