Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: <core> [core/mem/q_malloc.c:291]: qm_find_free(): qm_find_free(0x7f8b8cdcd000, 65728); Free fragment not found! Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: <core> [core/mem/q_malloc.c:425]: qm_malloc(): qm_malloc(0x7f8b8cdcd000, 65728) called from websocket: ws_conn.c: wsconn_add(197), module: websocket; Free fragment not found! Can you try increasing the memory? On Tue, 19 Nov 2019 at 02:22, Tom D &lt;dworakowski.tom(a)gmail.com <mailto:dworakowski.tom@gmail.com>> wrote: As a supplement to the above: Kamailio is launched with -m 64 -M 4.  After researching, I've doubled the values and we'll see shortly. kamctl stats shmem {   "jsonrpc":  "2.0",   "result": [     "shmem:fragments = 11935",     "shmem:free_size = 36995032",     "shmem:max_used_size = 66744520",     "shmem:real_used_size = 30113832",     "shmem:total_size = 67108864",     "shmem:used_size = 20683936"   ],   "id": 30547 } kamcmd pkg.stats returns {         entry: 0         pid: 14908         rank: 0         used: 1684296         free: 1567448         real_used: 2626856         total_size: 4194304         total_frags: 1974 } {         entry: 1         pid: 14909         rank: 1         used: 1776064         free: 1285152         real_used: 2909152         total_size: 4194304         total_frags: 2283 } {         entry: 2         pid: 14910         rank: 2         used: 1776608         free: 1397344         real_used: 2796960         total_size: 4194304         total_frags: 1200 } {         entry: 3         pid: 14911         rank: 3         used: 1776504         free: 1398488         real_used: 2795816         total_size: 4194304         total_frags: 1190 } {         entry: 4         pid: 14912         rank: 4         used: 1776616         free: 1397440         real_used: 2796864         total_size: 4194304         total_frags: 1199 } {         entry: 5         pid: 14913         rank: 5         used: 1776696         free: 1395072         real_used: 2799232         total_size: 4194304         total_frags: 1226 } {         entry: 6         pid: 14914         rank: 6         used: 1776808         free: 1399120         real_used: 2795184         total_size: 4194304         total_frags: 1186 } {         entry: 7         pid: 14915         rank: 7         used: 1776800         free: 1399544         real_used: 2794760         total_size: 4194304         total_frags: 1182 } {         entry: 8         pid: 14916         rank: 8         used: 1776808         free: 1399536         real_used: 2794768         total_size: 4194304         total_frags: 1182 } {         entry: 9         pid: 14917         rank: -1         used: 1775848         free: 1416200         real_used: 2778104         total_size: 4194304         total_frags: 1045 } {         entry: 10         pid: 14918         rank: -1         used: 1775848         free: 1416200         real_used: 2778104         total_size: 4194304         total_frags: 1045 } {         entry: 11         pid: 14919         rank: -1         used: 1775848         free: 1416928         real_used: 2777376         total_size: 4194304         total_frags: 1038 } {         entry: 12         pid: 14920         rank: -2         used: 1775848         free: 1416928         real_used: 2777376         total_size: 4194304         total_frags: 1038 } {         entry: 13         pid: 14921         rank: -2         used: 1841304         free: 1351368         real_used: 2842936         total_size: 4194304         total_frags: 1038 } {         entry: 14         pid: 14922         rank: -2         used: 1786392         free: 1405864         real_used: 2788440         total_size: 4194304         total_frags: 1032 } {         entry: 15         pid: 14923         rank: -1         used: 1778072         free: 1414392         real_used: 2779912         total_size: 4194304         total_frags: 1032 } {         entry: 16         pid: 14924         rank: -1         used: 1778072         free: 1414392         real_used: 2779912         total_size: 4194304         total_frags: 1032 } {         entry: 17         pid: 14925         rank: -1         used: 1778072         free: 1414392         real_used: 2779912         total_size: 4194304         total_frags: 1032 } {         entry: 18         pid: 14926         rank: -1         used: 1778464         free: 1413896         real_used: 2780408         total_size: 4194304         total_frags: 1031 } {         entry: 19         pid: 14927         rank: -1         used: 1778072         free: 1414392         real_used: 2779912         total_size: 4194304         total_frags: 1032 } {         entry: 20         pid: 14928         rank: 9         used: 1858696         free: 1331272         real_used: 2863032         total_size: 4194304         total_frags: 1035 } {         entry: 21         pid: 14929         rank: 10         used: 1858552         free: 1331520         real_used: 2862784         total_size: 4194304         total_frags: 1034 } {         entry: 22         pid: 14930         rank: 11         used: 1858672         free: 1331504         real_used: 2862800         total_size: 4194304         total_frags: 1033 } {         entry: 23         pid: 14933         rank: 12         used: 1858552         free: 1331416         real_used: 2862888         total_size: 4194304         total_frags: 1035 } {         entry: 24         pid: 14934         rank: -4         used: 1765848         free: 1485584         real_used: 2708720         total_size: 4194304         total_frags: 1974 } ---------- Forwarded message --------- From: *Tom D* &lt;dworakowski.tom(a)gmail.com <mailto:dworakowski.tom@gmail.com>> Date: Mon, Nov 18, 2019 at 7:59 PM Subject: Websocket immediately disconnecting To: &lt;sr-users(a)lists.kamailio.org <mailto:sr-users@lists.kamailio.org>> Hi David, Thanks for your reply. After increasing the verbosity of the debugging, I found the following entries. So am I understanding the log correctly: the websocket module is trying to get some free memory (from Kamilio's general pool?). It doesn't receive any yet proceeds with parsing the response (I get this same parsing error even when it's working) and ultimately, it doesn't register the websocket? I appreciate your (or anyone's) thoughts. Regards, Tom Nov 19 02:44:44 MY-HOSTNAME /usr/sbin/kamailio[14928]: CRITICAL: tls [tls_domain.c:737]: sr_ssl_ctx_info_callback(): SSL handshake started Nov 19 02:44:44 MY-HOSTNAME /usr/sbin/kamailio[14928]: CRITICAL: tls [tls_domain.c:749]: sr_ssl_ctx_info_callback(): SSL handshake done Nov 19 02:44:44 MY-HOSTNAME /usr/sbin/kamailio[14928]: CRITICAL: tls [tls_domain.c:753]: sr_ssl_ctx_info_callback(): SSL disable renegotiation Nov 19 02:44:44 MY-HOSTNAME /usr/sbin/kamailio[14928]: CRITICAL: tls [tls_server.c:431]: tls_accept(): tls_accept: new connection from HI.DD.E.N:63356 using TLSv1/SSLv3 AES256-GCM-SHA384 256 Nov 19 02:44:44 MY-HOSTNAME /usr/sbin/kamailio[14928]: CRITICAL: tls [tls_server.c:434]: tls_accept(): tls_accept: local socket: HI.DD.E.N:8089 Nov 19 02:44:44 MY-HOSTNAME /usr/sbin/kamailio[14928]: CRITICAL: tls [tls_server.c:445]: tls_accept(): tls_accept: client did not present a certificate Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: CRITICAL: <script>: 857:HTTP Request Received Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: <core> [core/mem/q_malloc.c:291]: qm_find_free(): qm_find_free(0x7f8b8cdcd000, 65728); Free fragment not found! Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: <core> [core/mem/q_malloc.c:425]: qm_malloc(): qm_malloc(0x7f8b8cdcd000, 65728) called from websocket: ws_conn.c: wsconn_add(197), module: websocket; Free fragment not found! Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: websocket [ws_conn.c:199]: wsconn_add(): allocating shared memory Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: <core> [core/parser/parse_fline.c:262]: parse_first_line(): parse_first_line: bad message (offset: 22) Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: <core> [core/parser/msg_parser.c:681]: parse_msg(): ERROR: parse_msg: message=<HTTP/1.1 101 Switching Protocols#015#012Sia: SIP/2.0/TLS HI.DD.E.N:63356#015#012Access-Control-Allow-Origin: https://www.doubango.org#015#012Sec-WebSocket-Protocol <https://www.doubango.org#015%23012Sec-WebSocket-Protocol>: sip#015#012Upgrade: websocket#015#012Connection: upgrade#015#012Sec-WebSocket-Accept: taS0s3Z7t4tOhklSbJDLGmSSYsY=#015#012Server: kamailio (5.2.5 (x86_64/linux))#015#012Content-Length: 0#015#012#015#012> Nov 19 02:44:45 MY-HOSTNAME /usr/sbin/kamailio[14928]: ERROR: websocket [ws_frame.c:583]: ws_frame_receive(): WebSocket connection not found _______________________________________________ Kamailio (SER) - Users Mailing List sr-users(a)lists.kamailio.org <mailto:sr-users@lists.kamailio.org> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ Kamailio (SER) - Users Mailing List sr-users(a)lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users