[Freeswitch-users] Help with debugging stuck threads/channels

[Peter Olsson]

I'm not sure your backtrace shows actually locked thread, more that the threads are waiting for a lock just at that specific moment, so I'd just update to latest (and greatest) - I'm pretty sure it will solve the issues.

/Peter

________________________________________
Från: freeswitch-users-bounces at lists.freeswitch.org [freeswitch-users-bounces at lists.freeswitch.org] för Egbert Groot [egbert at redhosting.nl]
Skickat: den 27 februari 2012 20:46
Till: FreeSWITCH Users Help
Ämne: Re: [Freeswitch-users] Help with debugging stuck threads/channels

Op 27-2-2012 18:44, Peter Olsson schreef:
> Start by upgrading to latest git HEAD. A bug like this was fixed last week, so I'm pretty sure an update will solve your issue.
>
> /Peter

You're probably referring to jira #FS-3932. Looks like the same issue
indeed. Freeswitch moves fast!  I will update as soon as I can.

Apart from this specific issue, I can conclude having locked threads is
reason to open a jira issue (if not someone else did already..)

Thank you (and John and Patrick) for taking the time to write a reply.

regards,
Egbert.



> ________________________________________
> Från: freeswitch-users-bounces at lists.freeswitch.org [freeswitch-users-bounces at lists.freeswitch.org] för Patrick Lists [freeswitch-list at puzzled.xs4all.nl]
> Skickat: den 27 februari 2012 13:33
> Till: FreeSWITCH Users Help
> Ämne: Re: [Freeswitch-users] Help with debugging stuck threads/channels
>
> On 27-02-12 02:43, [Redhosting] Egbert Groot wrote:
>> Hi All,
>>
>> I'm running a freeswitch server with moderate load (at least, in my
>> opinion..). Everything runs fine and stable.
>> There is however one issue I have: occasionally a channel/thread gots
>> stuck (and keeps that way until a full restart). Doing a uuid_kill
>> doesn't help, and a uuid_dump got locked itself as well. I managed to
>> get a core dump from the running process, and I can see a couple of
>> threads in a locked state: "#0 0x00007f3878764be4 in __lll_lock_wait ()
>> from /lib/libpthread.so.0" etc.
>> This is where my experience ends. How should I proceed in finding the
>> cause of these locks? I've read these kind of locks can happen when
>> doing 'fancy' things with cdr processing etc. In my setup this doesn't
>> seem te be the case, as this is a 'simple' gateway only using the
>> default modules.
>>
>> (for the stack trace see http://pastebin.freeswitch.org/18526 version:
>> commit 224f4c0f8aefcb969ecab7ff9d3a66dce92bd943 / Tue Jan 24 11:38:41
>> 2012 -0600).
> Bugs should always be submitted to Jira: http://jira.freeswitch.org
> The developers will probably want to see that backtrace so please
> include it in the bugreport.
>
> Please also checkout the following link so you provide the developers
> with the information they need:
> http://wiki.freeswitch.org/wiki/Reporting_Bugs#Reporting_A_Bug_With_JIRA
>
> Since your version is more than a month old you might get the request to
> first update to today's git master and verify if the bug still happens.
> So I guess you could try that first.
>
> Regards,
> Patrick
>
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