17 Feb
2017
17 Feb
'17
7:46 p.m.
### Description
pkg memory leak in register/publish scenario
#### Reproduction
my presense part
```
loadmodule "presence.so"
modparam("presence", "subs_db_mode", 2) # Write-Back default scheme
modparam("presence", "db_update_period", 150) # 100 - default
modparam("presence", "server_address",
"sip:213.170.66.150:5071" )
loadmodule "presence_xml.so"
modparam("presence_xml", "force_active", 1)
modparam("presence_xml", "integrated_xcap_server", 1)
loadmodule "pua.so"
loadmodule "pua_usrloc.so"
modparam("pua_usrloc", "default_domain",
"siptest.ringme.ru")
```
my REGISTER processing config part
```
pua_set_publish();
if (!save("location"))
sl_reply_error();
```
without pua_set_publish() everything is ok.
#### Log Messages
[kamcmd corex.pkg_summary pid
10376](https://github.com/kamailio/kamailio/files/784021/corexpkg_summary.t…
#### SIP Traffic
sipp -sf register.xml -r 500 -m 100000 -s 111*222 myhost
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
latest git version: kamailio 5.1.0-dev1 (x86_64/linux)
&
kamailio 4.4.5
* **Operating System**:
centos7
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17 Feb
17 Feb
8:58 p.m.
Was the pid 10376 printing memory allocation errors? Because the log with pkg summary
doesn't show a leak, there are only few hundreds of chunks, which are allocated at
startup, not at runtime.
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9:36 p.m.
Feb 17 21:12:00 sw5 /usr/local/dev_kamailio/sbin/kamailio[10376]: ERROR: <core>
[core/mem/q_malloc.c:292]: qm_find_free(): qm_find_free(0x7f45a3ff2010, 688); Free
fragment not found!
Feb 17 21:12:00 sw5 /usr/local/dev_kamailio/sbin/kamailio[10376]: ERROR: <core>
[core/mem/q_malloc.c:425]: qm_malloc(): qm_malloc(0x7f45a3ff2010, 688) called from core:
db_res.c: db_allocate_rows(183), module: core; Free fragment not found!
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9:50 p.m.
If it helps, we use presence heavily and do not see this. However... we don't use the
database implementation because it's never worked properly.
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20 Feb
20 Feb
2:33 p.m.
@snen maybe it is not a leak, but a use of large memory ... do you have sql queries with
large results used in kamailio.cfg?
Btw, do you know the type of that process? It is printed by the kamctl ps command.
For the memory report, can you set mem_summary to 12 and then grab again the summary via
kamcmd after letting it to run for a while?
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4:35 p.m.
@snen maybe it is not a leak, but a use of large
memory .
it is possible of course, so it is not leak but logic issue
This process is sip worker.
1. start kamailio with "m64 -M4" (children=2)
2. check current pkg
[pkg_stats_before.txt](https://github.com/kamailio/kamailio/files/787891/pkg…
3. run sipp
4. check pkg after allocation errors
[pkg_stats_after.txt](https://github.com/kamailio/kamailio/files/787893/pkg_…
5. summary for pid
[pkg_summary_after.txt](https://github.com/kamailio/kamailio/files/787894/pk…
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7:22 p.m.
Do you get error messages in the syslog containing next string?
```
... failed sending publish for ul event ...
```
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8:33 p.m.
thanks! now it works correctly
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8:33 p.m.
Closed #1001.
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2839
days inactive
2842
days old
8 comments
3 participants
participants (3)
-
Daniel-Constantin Mierla -
Dmitri Savolainen
-
Phil Lavin