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I have a cluster of 2 Kamailios nodes on debian 9 + Kamailio 5.5.4.
We have installed a 3rd server on debian 11 + Kamailio 5.6.1 but it keeps crashing due to an issue with DMQ USRLOC
We don't know how to reproduce but this is currently happening constantly on our new server
Kamailio generates a core on each segfault:
-rw------- 1 kamailio kamailio 556M Sep 15 02:42 core.kamailio.7507.csbc03.example.com.1663227725
-rw------- 1 kamailio kamailio 556M Sep 15 02:42 core.kamailio.7576.csbc03.example.com.1663227733
-rw------- 1 kamailio kamailio 556M Sep 15 02:42 core.kamailio.7642.csbc03.example.com.1663227739
-rw------- 1 kamailio kamailio 556M Sep 15 02:42 core.kamailio.7708.csbc03.example.com.1663227746
-rw------- 1 kamailio kamailio 556M Sep 15 02:42 core.kamailio.7772.csbc03.example.com.1663227753
But they seem to be empty?
root@csbc03:/var/tmp# gdb core.kamailio.7772.csbc03.example.com.1663227753
GNU gdb (Debian 10.1-1.7) 10.1.90.20210103-git
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
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Type "show configuration" for configuration details.
For bug reporting instructions, please see:
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"0x7ffec5273ce0s": not in executable format: file format not recognized
(gdb) bt full
No stack.
(gdb) quit
root@csbc03:/var/tmp#
Very similar output for any of the other core files when In run bt full.
I confirmed debug symbols were installed:
root@csbc03:/var/tmp# dpkg -l | grep kam | grep dbg
ii kamailio-dbg:amd64 5.6.1+bpo11 amd64 very fast and configurable SIP server [debug symbols]
root@csbc03:/var/tmp#
/var/log/syslog
[ 501.251476] kamailio[7772]: segfault at f8 ip 00007f86ded9bf72 sp 00007ffd892eb7c0 error 4 in dmq_usrloc.so[7f86ded89000+17000]
[ 501.251496] Code: 40 38 01 d0 89 05 12 95 00 00 48 8b 05 cf 8f 00 00 8b 00 83 f8 01 0f 85 80 00 00 00 48 8b 85 48 ff ff ff 48 8b 80 a0 00 00 00 <8b> 90 f8 00 00 00 48 8b 85 48 ff ff ff 48 8b 80 a0 00 00 00 48 8b
/var/log/kamailio/kamailio.lorg
Sep 15 02:42:34 csbc03 csbc[7792]: CRITICAL: <core> [core/pass_fd.c:277]: receive_fd(): EOF on 59
Sep 15 02:42:36 csbc03 csbc[7736]: ALERT: <core> [main.c:774]: handle_sigs(): child process 7772 exited by a signal 11
Sep 15 02:42:36 csbc03 csbc[7736]: ALERT: <core> [main.c:777]: handle_sigs(): core was generated
(paste your sip traffic here)
kamailio -vroot@csbc03:/var/tmp# kamailio -v
version: kamailio 5.6.1 (x86_64/linux)
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: unknown
compiled with gcc 10.2.1
root@csbc03:/var/tmp#
Debian 11 Bullseye
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