$ gdb --args /usr/local/sbin/snmpd -f -Le
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This GDB was configured as "armv5b-softfloat-linux"...Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) run
Starting program: /usr/local/sbin/snmpd -f -Le
/usr/local/share/snmp/snmpd.conf: line 32: Error: You must specify a default user name using the agentSecName token

net-snmp: 1 error(s) in config file(s)
NET-SNMP version 5.3.1

Program received signal SIGSEGV, Segmentation fault.
snmp_set_var_value (vars=0x109828, value=0x54 <Address 0x54 out of bounds>, len=4) at snmp_client.c:796
796     snmp_client.c: No such file or directory.
        in snmp_client.c
(gdb) list
791     in snmp_client.c
(gdb) bt
#0  snmp_set_var_value (vars=0x109828, value=0x54 <Address 0x54 out of bounds>, len=4) at snmp_client.c:796
#1  0x40451e64 in netStatsTable_handler (handler=0x109a40, reginfo=0x2, reqinfo=0x40454580, requests=0x40454588) at sdslcMIB.c:760
#2  0x4015cbc0 in netsnmp_call_handler (next_handler=0xd7578, reginfo=0xddb40, reqinfo=0x108f88, requests=0x10a368) at agent_handler.c:428
#3  0x40198818 in netsnmp_table_iterator_helper_handler (handler=0xd5dd0, reginfo=0xddb40, reqinfo=0x108f88, requests=0x10a368)
    at table_iterator.c:781
#4  0x4015cbc0 in netsnmp_call_handler (next_handler=0xd5dd0, reginfo=0xddb40, reqinfo=0x108f88, requests=0x10a368) at agent_handler.c:428
#5  0x4019d420 in table_helper_handler (handler=0xd1df8, reginfo=0xddb40, reqinfo=0x108f88, requests=0x10a368) at table.c:619
#6  0x4015cbc0 in netsnmp_call_handler (next_handler=0xd1df8, reginfo=0xddb40, reqinfo=0x108f88, requests=0x10a368) at agent_handler.c:428
#7  0x40153430 in handle_var_requests (asp=0x109f18) at snmp_agent.c:2474
#8  0x40154704 in handle_pdu (asp=0x109f18) at snmp_agent.c:3251
#9  0x401542bc in netsnmp_handle_request (asp=0x109f18, status=1089152) at snmp_agent.c:3047
#10 0x401520ec in handle_snmp_packet (op=1089304, session=0x109a40, reqid=4, pdu=0x109e80, magic=0x0) at snmp_agent.c:1833
#11 0x401e2388 in _sess_process_packet (sessp=0x109130, sp=0x109180, isp=0x109148, transport=0x109e80, opaque=0x108f28, olength=16,
    packetptr=0x10ee68 "0-\002\001", length=0) at snmp_api.c:5340
#12 0x401e30e4 in _sess_read (sessp=0x109130, fdset=0xbe8b2c30) at snmp_api.c:5753
#13 0x401e3730 in snmp_sess_read (sessp=0x109130, fdset=0x2) at snmp_api.c:5772
#14 0x401e27dc in snmp_read (fdset=0xbe8b2c30) at snmp_api.c:5392
#15 0x0000b358 in receive () at snmpd.c:1152
#16 0x0000aa00 in main (argc=3, argv=0xbe8b2dc4) at snmpd.c:1001
(gdb) up
#1  0x40451e64 in netStatsTable_handler (handler=0x109a40, reginfo=0x2, reqinfo=0x40454580, requests=0x40454588) at sdslcMIB.c:760
760     sdslcMIB.c: No such file or directory.
        in sdslcMIB.c
(gdb) down
#0  snmp_set_var_value (vars=0x109828, value=0x54 <Address 0x54 out of bounds>, len=4) at snmp_client.c:796
796     snmp_client.c: No such file or directory.
        in snmp_client.c
(gdb) chaos
Undefined command: "chaos".  Try "help".
(gdb)