Hello,

I would also worry about the out of memory logs. For troubleshooting in such case, you need to get:

kamctl ps

kamctl rpc pkg.stats

Maybe also you set latency limits via core parameter to see if some operations are slow in the config.

If there are slow C functions run internally on timer, then maybe you can troubleshoot with debug=3.

Cheers,
Daniel

Hello!

After some time, Kamailio stops processing incoming messages.
slow timer too slow: overflow messages appear in the log (I suspect that the problem is related to the rtimer module)

Aug 29 14:19:17 kamailio[11320]:  2(11320) ERROR: {1 10 OPTIONS 2b45547f33f5203f-4091@10.10.10.10} <core> [core/mem/q_malloc.c:430]: qm_malloc(): qm_malloc(0x7f163b9f9010, 960) called from core: core/rvalue.c: rval_new_empty(246), module: core; Free fragment>

Aug 29 14:19:17 kamailio[11320]:  2(11320) ERROR: {1 10 OPTIONS 2b45547f33f5203f-4091@10.10.10.10} <core> [core/rvalue.c:253]: rval_new_empty(): could not allocate private memory from pkg pool

Aug 29 14:19:17 kamailio[11330]: 12(11330) WARNING: <core> [core/timer.c:936]: timer_handler(): slow timer too slow: overflow (62671 - 61648 = 1023)

Aug 29 14:19:17 kamailio[11320]:  2(11320) ERROR: {1 10 OPTIONS 34618af41c3866bc-16408@10.10.10.20} <core> [core/mem/q_malloc.c:297]: qm_find_free(): qm_find_free(0x7f163b9f9010, 960); Free fragment not found!

Aug 29 14:19:17 kamailio[11320]:  2(11320) ERROR: {1 10 OPTIONS 34618af41c3866bc-16408@10.10.10.20} <core> [core/mem/q_malloc.c:430]: qm_malloc(): qm_malloc(0x7f163b9f9010, 960) called from core: core/rvalue.c: rval_new_empty(246), module: core; Free fragment no>

Aug 29 14:19:17 kamailio[11320]:  2(11320) ERROR: {1 10 OPTIONS 34618af41c3866bc-16408@10.10.10.20} <core> [core/rvalue.c:253]: rval_new_empty(): could not allocate private memory from pkg pool

Aug 29 14:19:17 kamailio[11330]: 12(11330) WARNING: <core> [core/timer.c:936]: timer_handler(): slow timer too slow: overflow (62671 - 61648 = 1023)

Aug 29 14:19:18 kamailio[11320]:  2(11320) ERROR: {1 10 KDMQ 1c18959d07113951-203309@10.10.10.30} <core> [core/mem/q_malloc.c:297]: qm_find_free(): qm_find_free(0x7f163b9f9010, 960); Free fragment not found!

Aug 29 14:19:18 kamailio[11320]:  2(11320) ERROR: {1 10 KDMQ 1c18959d07113951-203309@10.10.10.30} <core> [core/mem/q_malloc.c:430]: qm_malloc(): qm_malloc(0x7f163b9f9010, 960) called from core: core/rvalue.c: rval_new_empty(246), module: core; Free fragment no>

Please point me out where the source of the problem could be.

version: kamailio 5.6.1 (x86_64/linux)

--

BR,

Denys Pozniak

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