[sr-dev] [tracker] Comment added: Kamailio 3.1.3 crash

[sip-router]

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The following task has a new comment added:

FS#122 - Kamailio 3.1.3 crash
User who did this - marius zbihlei (marius.zbihlei)

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hello

Just had another look at the trace. It escaped me the first time, but the crash  happens in the MI fifo process. the fifo process receives a dlg_terminate_dlg command and sends a BYE, that somehow causes, in the context of that process, the SQL query to get executed(this is normal albeit a little weid). But because how the process is initializated (I will explain in a minute), the dbh structure (which is per child initialized) is still NULL in that process. 

Now the problem with the initialization. The module are initialized (mod_child_init actually so this is per process module initialization) in the order they are loaded. But because the FIFO process forks and then blocks on accepting datagrams, modules loaded after it are not mod_child_inited (the way the sr_module inits them is via some recursive calls). This wouldn't cause such a big fuss if the sql query is not executed. 

Can you confirm that sqlops is loaded in the cfg after the mi_datagram module? Also I ask other core developers to look at this problem and comment on it

Marius



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http://sip-router.org/tracker/index.php?do=details&task_id=122#comment181

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