We have installed Kamailio 5.6.0 from http://deb.kamailio.org/kamailio56, but it is intermittently crashing with a segfault like this: May 29 04:46:53 ss2 kernel: [26920.901572] kamailio[1416]: segfault at 43a ip 00007f78d1396ab5 sp 00007ffd2487ca10 error 4 in app_perl.so[7f78d1392000+21000] May 29 04:46:53 ss2 kernel: [26920.901575] Code: 8b 05 8f 34 02 00 48 8b 00 48 89 c7 e8 7b ff ff ff e8 3f e5 ff ff 48 8b 15 78 34 02 00 48 89 02 48 8b 05 6e 34 02 00 48 8b 00 <0f> b6 90 3a 04 00 00 48 8b 05 5d 34 02 00 48 8b 00 83 ca 02 88 90 May 29 04:46:56 ss2 kernel: [26923.737834] kamailio[1409]: segfault at 43a ip 00007f78d1396ab5 sp 00007ffd2487ca10 error 4 in app_perl.so[7f78d1392000+21000] May 29 04:46:56 ss2 kernel: [26923.737838] Code: 8b 05 8f 34 02 00 48 8b 00 48 89 c7 e8 7b ff ff ff e8 3f e5 ff ff 48 8b 15 78 34 02 00 48 89 02 48 8b 05 6e 34 02 00 48 8b 00 <0f> b6 90 3a 04 00 00 48 8b 05 5d 34 02 00 48 8b 00 83 ca 02 88 90 Perl is version 5.30.0, and the system is running Ubuntu 20.04. A Perl library is loaded using: modparam( "app_perl", "filename", "/path/to/our/Kamailio.pm" ) We have not found a core file anywhere on the server. Please let us know what other information you need, thanks. -- Reply to this email directly or view it on GitHub: https://github.com/kamailio/kamailio/issues/3134 You are receiving this because you are subscribed to this thread. Message ID: &lt;kamailio/kamailio/issues/3134(a)github.com&gt;