Hi descartin,
We had a similar problem not long ago - see what is your current setting for
SHM size:
https://github.com/kamailio/kamailio-wiki/blob/main/docs/cookbooks/5.6.x/core.md#shm_mem_size
It's possible that memory manager runs out of shared memory and raises
`SIGABRT`, causing Kamailio to crash. In our case, we had multiple cores dumped
per crash - one of parent raising `SIGABRT` and 2-3 from child processes
hitting a race condition between handling `SIGABRT` from parent and `SIGSEGV`
raised internally from failed SHM operation.
We had to increase this setting significantly, but our use-case involves lots
of `usrloc` data in memory. It is possible that for your use-case you didn't
have to tune SHM size yet and hit the default limit just recently.
When tuning memory, you may also want to check out `-M` command line option:
https://github.com/kamailio/kamailio-wiki/blob/main/docs/cookbooks/5.6.x/core.md#command-line-parameters
I haven't found corresponding parameter to configure this inside the routing
script like the one for SHM, and we had some problems later with `pkg` memory
running low as well.
You can check current memory usage with RPC commands, i.e.:
https://www.kamailio.org/docs/modules/5.6.x/modules/kex.html#kex.r.core.shmmem
https://www.kamailio.org/docs/modules/5.6.x/modules/kex.html#kex.r.pkg.stats
Hope this helps :-)
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