<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On our Production FreeSWITCH box: <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>FreeSWITCH Version 1.0.head (git-4c435ec 2011-03-14 11-54-08 -0500)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>UP 0 years, 14 days, 6 hours, 28 minutes, 44 seconds, 474 milliseconds, 751 microseconds<o:p></o:p></p><p class=MsoNormal>12519 session(s) since startup<o:p></o:p></p><p class=MsoNormal>2 session(s) 0/30<o:p></o:p></p><p class=MsoNormal>1000 session(s) max<o:p></o:p></p><p class=MsoNormal>min idle cpu 0.00/100.00<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>At 14:30:37 a reloadxml command was issued.<o:p></o:p></p><p class=MsoNormal>At 14:30:43 the box started rejecting all calls with 503 error. <o:p></o:p></p><p class=MsoNormal>At 14:38 it started working again. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Looking at the code I see three conditions can trigger this behavior:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> if (sess_count >= sess_max || !sofia_test_pflag(profile, PFLAG_RUNNING) || !switch_core_ready()) {<o:p></o:p></p><p class=MsoNormal> nua_respond(nh, 503, "Maximum Calls In Progress", SIPTAG_RETRY_AFTER_STR("300"), TAG_END());<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "No more sessions allowed at this time.\n");<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> goto done;<o:p></o:p></p><p class=MsoNormal> }<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Logs show it wasn’t lack of available sessions. How can sofia_test_pflag(profile, PFLAG_RUNNING) or switch_core_ready() fail and busy the system?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thoughts? Thx, Chris.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>