On Mon, Dec 7, 2009 at 11:29 AM, Manu Mehta <[email protected]> wrote: > > I am using net-snmp 5.4 and in agentX framework with 1 Master and 5 > subagents. Subagents report there capabilities periodically(every 5 > seconds) using AgentX AddAgentCaps PDU. > > I have an automated test suite which runs for 5 hours and have tests > consisting of various snmpwalks/snmpgets on various mibs Sometimes > when i run this suite i observe that some of the subagents gets stuck. > The problem is quite random and doesn't consistently or for a given > subagent only. Sometimes i have to run this suite multiple times to > reproduce this behavior
Coincidentally I ran into a similar issue around the same time (see
also the e-mail I posted on the net-snmp-users mailing list). Does the
patch below fix the issue you observed ?
Bart.
Index: agent/mibgroup/disman/mteTriggerTable.c
===================================================================
--- agent/mibgroup/disman/mteTriggerTable.c (revision 19074)
+++ agent/mibgroup/disman/mteTriggerTable.c (working copy)
@@ -192,17 +192,6 @@ init_mteTriggerTable(void)
se_add_pair_to_slist("mteBooleanOperators", strdup(">="),
MTETRIGGERBOOLEANCOMPARISON_GREATEROREQUAL);
-#ifdef NETSNMP_TRANSPORT_CALLBACK_DOMAIN
- /*
- * open a 'callback' session to the main agent
- */
- if (mte_callback_sess == NULL) {
- mte_callback_sess = netsnmp_callback_open(callback_master_num,
- NULL, NULL, NULL);
- DEBUGMSGTL(("mteTriggerTable", "created callback session = %08x\n",
- mte_callback_sess));
- }
-#endif
DEBUGMSGTL(("mteTriggerTable", "done.\n"));
}
@@ -3063,6 +3052,12 @@ mte_get_response(struct mteTriggerTable_data *item
* send to the local agent
*/
+ if (mte_callback_sess == NULL)
+ mte_callback_sess = netsnmp_query_get_default_session();
+
+ if (!mte_callback_sess)
+ return NULL;
+
status = snmp_synch_response(mte_callback_sess, pdu, &response);
if (status != SNMP_ERR_NOERROR ||
Index: agent/mibgroup/utilities/iquery.c
===================================================================
--- agent/mibgroup/utilities/iquery.c (revision 19074)
+++ agent/mibgroup/utilities/iquery.c (working copy)
@@ -61,6 +61,10 @@ _init_default_iquery_session( int majorID, int min
if (secName)
netsnmp_query_set_default_session(
netsnmp_iquery_user_session(secName));
+ else
+ snmp_log(LOG_WARNING,
+ "Warning: agentSecName has not been configured -- internal"
+ " queries will fail.\n");
return SNMPERR_SUCCESS;
}
disman.patch
Description: Binary data
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