[sr-dev] kamailio 4.1 crashing when user attempts to authenticate

Hi, I decided to start a new kamailio install with the 4.1 debian packages. Everything seems to have gone as expected, and kamailio starts normally. However, as soon as I try to register (MySQL), Kamailio crashes as can be seen by the logs. I have tls enabled, as well as rtpengine (although could someone please confirm that we are supposed to continue loading "rtpproxy-ng.so"? I didn't find any new module named rtpengine.so after compiling and installing its debian packages, so I presume we are to keep using rtpproxy-ng.so), and have created the DB tables, so not sure what's causing it to crash. I can get a core dump if needed. Any clues? Thanks, Peter May 19 16:37:04 vmhost /usr/sbin/kamailio[18513]: ALERT: <core> [main.c:775]: handle_sigs(): child process 18520 exited by a signal 11 May 19 16:37:04 vmhost /usr/sbin/kamailio[18513]: ALERT: <core> [main.c:778]: handle_sigs(): core was not generated May 19 16:37:04 vmhost /usr/sbin/kamailio[18513]: INFO: <core> [main.c:790]: handle_sigs(): INFO: terminating due to SIGCHLD May 19 16:37:04 vmhost kernel: [189666.602743] kamailio[18520] general protection ip:536104 sp:7fff87fe0190 error:0 in kamailio[400000+27a000] May 19 16:37:04 vmhost /usr/sbin/kamailio[18519]: INFO: <core> [main.c:841]: sig_usr(): INFO: signal 15 received