[Freeswitch-dev] Freeswitch "crash" on switch_core_media_toggle_hold

Brian West brian at freeswitch.org
Mon Nov 3 22:04:49 MSK 2014

Update This was fixed on the 13th of Oct.  FS-6911

On Tue, Oct 21, 2014 at 1:59 PM, miguelo sana <miguelo at tulpsolutions.com>

> Hello,
> Today i experienced a very weird crash on my production freeswitch server.
> I use freeswitch for a conferencing service and at the moment of the crash
> there where around 40 participants in 15 different conferences.
> In one of the conferences a participant put his call on hold (probably
> with his mobile phone). At the moment when freeswitch received the message
> to put the call on unhold the b-leg channel was gone and the freeswitch
> crashed. I have created a backtrace on the crash and put it on the pastebin
> https://pastebin.freeswitch.org/23467
> I tried to replicate the crash by dialing in with multiple phones and put
> the call on hold and disconnect with another phone. On all my attempts the
> conference application recognized the disconnect and did not crash. Not
> even when i force quit a sip client.
> Has anyone ever experienced this. Or is anyone able to explain why this
> happens.
> I use freeswitch version 1.4.12 on debian 7. The machine already
> succesfully handled different conferences with a total of 80 participants.
> So performance does not seem to be the issue.
> Second i would like to know if it is possible to "disable" the
> switch_assert in production builds of freeswitch and have a more elegant
> way of handling problems in threads. Because when looking to my problem.
> Freeswitch aborted because one channel was not available when it was
> supposed to be. I understand that thread has to fail because it has no
> channel but it should not affect the whole freeswitch application. If
> anyone has some ideas to get this done or a solution please let me know.
> Thanks,
> Miguelo Sana
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*Brian West*
brian at freeswitch.org

*Twitter: @FreeSWITCH , @briankwest*

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