[asterisk-dev] [Code Review] Fixup deadlock in chan_sip transfer to parking lot

[David Vossel]

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I have a patch on an issue right now that may address this problem.  Check out the latest patch I uploaded here. https://issues.asterisk.org/jira/browse/ASTERISK-18082

- David


On July 25, 2011, 11:36 a.m., irroot wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/1322/
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> 
> (Updated July 25, 2011, 11:36 a.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Summary
> -------
> 
> =======================================================================
> === Currently Held Locks ==============================================
> =======================================================================
> ===
> === <pending> <lock#> (<file>): <lock type> <line num> <function> <lock name> <lock addr> (times locked)
> ===
> === Thread ID: 0xb6e91b90 (do_monitor           started at [25036] chan_sip.c restart_monitor())
> === ---> Lock #0 (chan_sip.c): MUTEX 24551 handle_request_do &netlock 0x1d3f80 (1)
> === ---> Lock #1 (chan_sip.c): MUTEX 22802 handle_request_refer p 0x9fe9170 (1)
> === ---> Lock #2 (channel.c): MUTEX 6300 ast_do_masquerade channels 0x9c0daf8 (1)
> === ---> Tried and failed to get Lock #3 (channel.c): MUTEX 6323 ast_do_masquerade clonechan 0xb6e1978 (0)
> === -------------------------------------------------------------------
> ===
> === Thread ID: 0x1e4cb90 (pbx_thread           started at [ 5079] pbx.c ast_pbx_start())
> === ---> Lock #0 (channel.c): MUTEX 4749 ast_write chan 0xad3ba860 (1)
> === -------------------------------------------------------------------
> ===
> === Thread ID: 0x54a0b90 (pbx_thread           started at [ 5079] pbx.c ast_pbx_start())
> === ---> Lock #0 (channel.c): MUTEX 3714 __ast_read chan 0xb6e1978 (1)
> === ---> Waiting for Lock #1 (chan_sip.c): MUTEX 7234 sip_read p 0x9fe9170 (1)
> === --- ---> Locked Here: chan_sip.c line 22802 (handle_request_refer)
> === -------------------------------------------------------------------
> ===
> =======================================================================
> 
> 
> This addresses bug ASTERISK-18149.
>     https://issues.asterisk.org/jira/browse/ASTERISK-18149
> 
> 
> Diffs
> -----
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>   /trunk/channels/chan_sip.c 329432 
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> Diff: https://reviewboard.asterisk.org/r/1322/diff
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> 
> Testing
> -------
> 
> 
> Thanks,
> 
> irroot
> 
>

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