Hi , While doing snmpget/snmpwalk, it is observed that we are facing Timeout. After further looking into the problem it is found that netsnmp (snmpd) daemon is regularly hanging on a send() system call. We are using net-snmp.5.2.4 and even same problem is observed in net-snmp 5.2.5. pstack is copied where we can see snmpd is blocked while doing snmpwalk/snmpget.
r...@galclus30 # pstack 17656 17656: /usr/local/sbin/snmpd -f fed64e57 send (c, 836a6e0, 17c, 0) 080ffd38 netsnmp_unix_send (824a860, 836a6e0, 17c, 824af24, 824af28, 4) + 40 080decf8 snmp_sess_async_send (827afb0, 824aef0, 0, 0) + 2a0 080df345 snmp_send (824ab48, 824aef0, 8047590, 80b8383) + 15 080b8417 handle_master_agentx_packet (1, 824ab48, 2dfb13eb, 824c1c8, 0, 824c1c8) + 14b 080e2489 _sess_process_packet (824a860, 824c130, 6e, 827f044, 174, 824c040) + 609 080e3b71 _sess_read (827afb0, 8047dcc, 8047dcc, 8047d4c, 8047c4c, 827afb0) + 17d 080e478f snmp_sess_read (827afb0, 8047dcc, 8047e78, 806ecb8, 1, 0) + 13 080e47ca snmp_read (8047dcc, 0, 80, 806ecc2, 8047860, 0) + 1e 0806f4f3 main (806d830, 2, 8047ea4) + 18af 0806d830 _start (2, 8047f30, 8047f46, 0, 8047f49, 8047f61) + 80 It would be nice if someone can provide his/her insight into the problem. Thanks In Advance!! Kind Regards, Rajesh
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