Hi,
Solaris subagent (hmanicd) is dumping core during agent stress and hcts
stress, whose stack is pointing to net-snmp library functions as below. The
stack is not pointing to any of our subagent functions. At the same time
lot of snmpd cores are also seen.
bash-3.00# mdb /cores/core.hmanicd.i86pc.unknown.1514.1267175486
Loading modules: [ libc.so.1 libnvpair.so.1 libuutil.so.1 libavl.so.1
ld.so.1 ]
> $C
08046ee4 libc.so.1`t_delete+0x6b(80b27b8)
08046f00 libc.so.1`realfree+0x58(80b26d8)
08046f14 libc.so.1`cleanfree+0x44(0)
08046f2c libc.so.1`_malloc_unlocked+0xad(250, 8085ce0, 8073d08, fee03c84,
8046f84, fed5f8ee)
08046f44 libc.so.1`malloc+0x34(24c)
08046f84 libnetsnmp.so.5.0.9`_copy_varlist+0x96(80b2480, 0, 270f)
08046fac libnetsnmp.so.5.0.9`snmp_clone_varbind+0x37(80b2480)
080471d0
libnetsnmphelpers.so.5.0.9`netsnmp_check_getnext_reply+0xfc(80a7bf0,
804722c, d, 80b2480, 8047214)
08047434
libnetsnmphelpers.so.5.0.9`netsnmp_table_iterator_helper_handler+0x352(80713
f0, 8073d08, 80ac218, 80a7bf0)
08047468 libnetsnmpagent.so.5.0.9`netsnmp_call_handler+0x159(80713f0,
8073d08, 80ac218, 80a7bf0)
08047494 libnetsnmpagent.so.5.0.9`netsnmp_call_next_handler+0x94(8071410,
8073d08, 80ac218, 80a7bf0)
080474cc
libnetsnmphelpers.so.5.0.9`netsnmp_serialize_helper_handler+0xdd(8071410,
8073d08, 80ac218, 80a7bf0)
08047500 libnetsnmpagent.so.5.0.9`netsnmp_call_handler+0x159(8071410,
8073d08, 80ac218, 80a7bf0)
0804752c libnetsnmpagent.so.5.0.9`netsnmp_call_next_handler+0x94(8071430,
8073d08, 80ac218, 80a7bf0)
080475b8 libnetsnmphelpers.so.5.0.9`table_helper_handler+0x11cd(8071430,
8073d08, 80ac218, 80a7bf0)
080475ec libnetsnmpagent.so.5.0.9`netsnmp_call_handler+0x159(8071430,
8073d08, 80ac218, 80a7bf0)
08047618 libnetsnmpagent.so.5.0.9`netsnmp_call_next_handler+0x94(8071450,
8073d08, 80ac218, 80a7bf0)
08047648
libnetsnmphelpers.so.5.0.9`netsnmp_bulk_to_next_helper+0x85(8071450,
8073d08, 80ac218, 80a7bf0)
08047680 libnetsnmpagent.so.5.0.9`netsnmp_call_handlers+0x2dc(8073d08,
80ac218, 80a7bf0)
080476bc libnetsnmpagent.so.5.0.9`handle_var_requests+0xf5(8085ce0)
080476e4 libnetsnmpagent.so.5.0.9`handle_getnext_loop+0x238(8085ce0)
08047714 libnetsnmpagent.so.5.0.9`handle_pdu+0x32f(8085ce0)
08047738 libnetsnmpagent.so.5.0.9`netsnmp_handle_request+0x1e1(8085ce0, 0)
0804776c libnetsnmpagent.so.5.0.9`handle_snmp_packet+0x2bd(1, 8073628,
6705e, 80b1a28, 0)
080477c0 libnetsnmp.so.5.0.9`_sess_process_packet+0x940(8070898, 8073628,
80735f0, 80722d0, 80b0118, 4)
0804785c libnetsnmp.so.5.0.9`_sess_read+0x1235(8070898, 80478e0)
0804788c libnetsnmp.so.5.0.9`snmp_sess_read+0x34(8070898, 80478e0)
080478b0 libnetsnmp.so.5.0.9`snmp_read+0x4d(80478e0)
08047968 libnetsnmpagent.so.5.0.9`agent_check_and_process+0x15c(1, 805eb00,
2, 8)
08047ddc main+0x4ca(3, 8047e00, 8047e10)
08047df4 _start+0x80(3, 8047e9c, 8047eb4, 8047eb7, 0, 8047eba)
Snmpd core stack:
bash-3.00# mdb /cores/core.snmpd.i86pc.unknown.3762.1266509039
Loading modules: [ libc.so.1 libuutil.so.1 ld.so.1 ]
> $C
08047688 libc.so.1`divmod64+0x1f(0, feea50f0, 0, 0, 0, 0)
0804772c libc.so.1`__udiv64+6(34, 0)
08047760 libnetsnmp.so.5.0.9`run_alarms+0x13f(804796f, 8054b28, feffb818, 0,
0, 0)
08047938 receive+0xcd1(8047e70, 8047e04, feffb818, 4, a, 0)
08047e1c main+0x14b0(1, 8047e48, 8047e50)
08047e3c _start+0x7a(1, 8047ed8, 0, 8047ef0, 8047f0b, 8047f23)
>
Could any body please help me to analyze this core and resolve this?
Thanks in advance.
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