On 06.02.19 09:51, Juha Heinanen wrote: > Juha Heinanen writes: > >> Thanks. I don't think that this is db related issue. Here is a >> summary: >> >> - K receives INVITE at 17:43:28 and forwards it over udp to uas >> - uas immediately responds with 183 followed by 180, which k forwards to UAC >> - at 17:44:29 uas responds again with 180 and K forwards it to UAC >> - at 17:44:44 K's invite timeout timer fires and it sends "408 request >> timeout" to uac, which responds with ack >> - at that point K should also have send CANCEL to uas, but it didn't >> - after that k goes to deep sleep, i.e., it does not react to any >> new incoming requests from anybody nor to several "480 request >> terminated" replies from the uas >> - about 15 minutes later at 18:00:23, K wakes up and sends two cancel >> requests to uas >> - uas replies to cancels with "481 transaction does not exist" >> - then K sends several ACKs to the uas and crashes > I misunderstood the pcap that I got. It only contained packets of the > call that caused invite timeout to fire and where CANCEL was not sent. > So K did properly process other requests during the 15 minute period. > > In syslog there is this just before the crash: > > Feb 1 16:00:23 /usr/bin/sip-proxy[1348]: CRITICAL: <core> > [core/pass_fd.c:277]: receive_fd(): EOF on 18 > > and before that during the same second: > > Feb 1 16:00:23 /usr/bin/sip-proxy[1327]: INFO: db_mysql [km_dbase.c:85]: > db_mysql_submit_query(): driver error on ping: Lost connection to MySQL > server during query > > So the crash may have something to do with db access, but why was cancel > not sent 15 minutes ago? There is no mysql related messages in syslog at > that time.
OK. There should be no crash no matter what caused the delay. I wanted to sort out the freezing of entire kamailio for 15min, because that is rather unusual to happen for all processes and then recover. I will look more at the tm for this delay/blocking of a single process. Cheers, Daniel -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in Washington, DC, USA -- www.asipto.com _______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
