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[Linphone-developers] Re: Memory Leak on Reregistration

From: Thomas Reitmayr
Subject: [Linphone-developers] Re: Memory Leak on Reregistration
Date: Sat, 20 Jan 2007 05:03:44 -0800 (PST)

some time ago I reported a memory leak which apparently no one else sees. The 
statement below about it not occurring on a regular PC was wrong, and I am now 
able to pinpoint it to certain sequence of SIP messages during the 
reregistration process.

Here is what I found out:

* Using my account at does not create the memory leak. At every 
reregistration there are two calls to osip_transaction_init and two calls to 
osip_transaction_free in the following sequence:

Registration on sucessful.

  I.e. everything is ok, a detailed log from "linphone -d" is attached and 
called linphone_voipstation.log.

* Using my main account at, the server seems to insert some OPTIONS 
requests which might cause the memory leak of 12-16 KB. The 
osip_transaction_init/free sequence looks like:

Registration on sucessful.

  Note the two additional osip_transaction_init's. That's also shown in the 
attached log file linphone_yesss.log. There is also the .linphonerc I am using.

Can anyone shed some light on what's happening here?
Thanks a lot,

----- Ursprüngliche Mail ----
Von: Thomas Reitmayr <address@hidden>
An: address@hidden
Gesendet: Mittwoch, den 27. September 2006, 22:39:07 Uhr
Betreff: Memory Leak on Reregistration

I am having a problem with a memory leak using linphonec, where with each 
reregistration 16KB more are allocated (according to the process 'status'). 
This just happens on my ARM platform (Linksys NSLU2), but not on a regular 
Linux PC. The Linphone versions are both 1.4.1, also libosip2 v2.2.2 is used on 
both architectures.
Did anyone notice something similar?
Has anyone experience using memory profiling with linphone on an embedded 
platform? Valgrind would be really nice but does not support ARM CPUs.
Hoping for some advice...

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