I was successful in getting the subagent to start upon booting up our hardware
box. Once the box comes up, I can then telnet to it and start the snmpd
master agent successfully and then I could see the subagent attach itself to
the master agent eventually. I then can run SNMP requests and everything
works great.
** Note: The master agent is started manually once the box comes up for testing
only (until we integrate that into our load build process).
Normally our hardware box would start up our "main application" upon reboot
first, however, for testing purposes I was told to simply start the subagent
SNMP application only. Anyway, since I had the subagent and master agent
stuff working perfectly, I decided to put back in the logic to start our "main
application" first and then follow this with starting up the subagent
application.
When I reboot the box, I can see the "main application" is requested to start
and then I see the subagent is requested to start. At this early booting
stage, I can even telnet into our box and start up the master agent and perform
a subagent-specific query to verify it works fine.
Then after about 20 to 30 seconds into our boot process, I get a segmentation
core dump. It seems something to do with the subagent is timing out perhaps
... dont know. Does anyone have any ideas on what could be causing this?
Again, if I reboot the box and start only the subagent application OR only the
"main application" then each application works fine, however, when they both
try to start up during reboot processing, then I always get a coredump.
The (gdb) trace is provided below:
Program terminated with signal 11, Segmentation fault.
#0 0x2cc86684 in snmp_sess_timeout ()
from /opt/B173/1.97/usr/lib/debug/libnetsnmp.so.15
(gdb) #0 0x2cc86684 in snmp_sess_timeout ()
from /opt/B173/1.97/usr/lib/debug/libnetsnmp.so.15
#1 0x2cc85bd8 in snmp_timeout ()
from /opt/B173/1.97/usr/lib/debug/libnetsnmp.so.15
#2 0x2cb1ebb0 in agent_check_and_process ()
from /opt/B173/1.97/usr/lib/debug/libnetsnmpagent.so.15
#3 0x2c8c6fac in snmp_subagent_main (argc=1, argv=0x10000)
at
/export/home/rosent1/vegasCC/1.97/reuse/lib/ice/services/snmp/subagent/netsnmp/ocstbhostmib/agentX/src/snmpSubagent_ocStbHostMib.c:113
agentx_subagent = 1
background = 0
syslog = 0
#4 0x2bc992f8 in Applications_Init (argv=0x0)
at
/export/home/marlin/builds/B173/1.97/reuse/lib/ice/adaptation/mot/init/src/DCT_Init.cpp:304
lineCounter = 2
rc = 0
deviceName = <incomplete type>
iniFileName = <incomplete type>
appSymbols = (PLD_SymbolTable *) 0x10328be8
sym = 0x2c8c6d70
pModuleName = (PCT_Char *) 0x1030c6f0 "/libsnmp_subagent.so"
pModuleEntryName = (PCT_Char *) 0x1030c705 "snmp_subagent_main"
pData = (PCT_Char *) 0x1030c6cc "//libdct_tvguide.so"
bufferSize = 76
dynamicMain = 0x30000
#5 0x2bc988b4 in adaptation_layer_init (argv=0x7fff7e24)
at
/export/home/marlin/builds/B173/1.97/reuse/lib/ice/adaptation/mot/init/src/DCT_Init.cpp:137
rc = 0
rc1 = 0
#6 0x0040096c in main (argc=196608, argv=0x30000)
at
/export/home/marlin/builds/B173/1.97/reuse/lib/ice/adaptation/mot/init/test/src/dct_inittest.cpp:40
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