Description

Sometimes "registered" function return different result for different SIP worker process.
It seems reproduced for a some time after restart. I have locate it on 4.4.6version and reproduce for master branch too. I tried Register/Unregister sip account while testing (via SIP)

Troubleshooting

Reproduction

children=8

# registrar params
modparam("registrar", "append_branches", 0)
modparam("registrar", "use_path", 1)
modparam("registrar", "path_mode", 0) 
modparam("registrar", "max_expires", 1800)
modparam("registrar", "min_expires", 60)

# usrloc params
modparam("usrloc", "db_mode", 2)
modparam("usrloc", "timer_interval", 20) #default 60
modparam("usrloc", "db_check_update", 1)
modparam("usrloc", "use_domain", 1)
modparam("usrloc", "nat_bflag", FLB_NATB) 
modparam("usrloc", "db_ops_ruid", 1)

request_route{
    route(REG);
    route(TESTREG);
    exit;
}

route[SEND_TESTREG]
{
    $uac_req(method)="PUBLISH";
    $uac_req(ruri) = $tu;
    $uac_req(furi) = $tu;
    $uac_req(turi) = $tu;
    $uac_req(callid) = $ci; 
    $uac_req(ouri) = "MYADDRPORT";
    uac_req_send();
}

route[PRINT_REGISTERED]
{
    if (registered("location", "$tu")){
        xlog("L_INFO", "$rm $ci registered");
    }
    else{
        xlog("L_INFO", "$rm $ci NOT registered");
    }
}

route[REG] {
    if (!is_method("REGISTER")) return;
    xlog("L_INFO", "-------------------------------------");
    route(PRINT_REGISTERED);
    if ( !save("location") ) {
        sl_reply_error();
        exit;
    }
    route(PRINT_REGISTERED);
    # children=8
    route(SEND_TESTREG);
    route(SEND_TESTREG);
    route(SEND_TESTREG);
    route(SEND_TESTREG);
    route(SEND_TESTREG);
    route(SEND_TESTREG);
    route(SEND_TESTREG);
    route(SEND_TESTREG);
    exit;
}

route[TESTREG]{
    if (!is_method("PUBLISH")) return;
    usleep("500");
    route(PRINT_REGISTERED);
    sl_send_reply("200", "OK");
    exit;
}

Log Messages

Oct 9 20:13:38 kamailio[19514] INFO: <script>: REGISTER vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg registered
Oct 9 20:13:38 kamailio[19514] INFO: <script>: REGISTER vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg NOT registered
Oct 9 20:13:38 kamailio[19525] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg NOT registered
Oct 9 20:13:38 kamailio[19519] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg registered
Oct 9 20:13:38 kamailio[19521] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg NOT registered
Oct 9 20:13:38 kamailio[19516] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg NOT registered
Oct 9 20:13:38 kamailio[19513] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg registered
Oct 9 20:13:38 kamailio[19514] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg NOT registered
Oct 9 20:13:38 kamailio[19523] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg registered
Oct 9 20:13:38 kamailio[19527] INFO: <script>: PUBLISH vHUuAy7p-IzjmDD5jblwCsER9SPXm9Kg registered

Additional Information

• Kamailio Version - output of kamailio -v

version: kamailio 5.1.0-dev7 (x86_64/linux) 

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