Dear Net-SNMP users,
I have decided to use the Net-SNMP software for one of my projects and am
having an issue on one of my HP-UX 11.11 machines. The issue is that the
snmptrap command that comes with Net-SNMP is hanging in the process list and is
essentially eating up all my CPU and it never dies.
$ uname -r
B.11.11
$ uname
HP-UX
$ model
9000/800/rp3440
I am experiencing a problem where I am simply using the snmptrap command to
forward traps from server A to server B (very straight forward), but for some
silly reason I am seeing some of these snmptrap commands hanging in the process
list forever.
I installed "net-snmp-5.4-1-HP-UX_B.11.11_9000_800.tar.gz" on the server, but
did no configuration (meaning we touched no configuration files). I simply
just need to use the snmptrap command, but am not sure if there is any
configuration needed.
Here is what I see in the process list, you'll see it's using tons of CPU and
has been running for a very long time:
$ ps -efx | grep -i snmp
root 1104 1 0 Apr 12 ? 0:47 /usr/sbin/snmpdm
root 1146 1 0 Apr 12 ? 0:01 /usr/lbin/cmsnmpd
root 1874 1 0 Apr 12 ? 5:57 ./cirba-snmpd -P 3161 -f
root 20745 20679 227 15:55:07 ? 1209:29 /usr/local/bin/snmptrap -v 1
-c public xxx.xxx.xxx.xxx:162 .1.3.6.1.4.1.11.2.17.2 servera 6 88888888
.1.3.6.1.4.1.11.2.17.2.1 i 0 .1.3.6.1.4.1.11.2.17.2.2 s WTRLONLUG00
.1.3.6.1.4.1.11.2.17.2.3 s 2008-05-13 15:48:51 .1.3.6.1.4.1.11.2.17.2.4 s
UPLOAD_PROBLEM .1.3.6.1.4.1.11.2.17.2.5 s normal .1.3.6.1.4.1.11.2.17.2.6 s
node .1.3.6.1.4.1.11.2.17.2.7 s COMM .1.3.6.1.4.1.11.2.17.2.8 s NAVIS
root 4812 4805 227 11:07:05 ? 62:44 /usr/local/bin/snmptrap -v 1
-c public 172 xxx.xxx.xxx.xxx:162:162 .1.3.6.1.4.1.11.2.17.2 servera 6 88888888
.1.3.6.1.4.1.11.2.17.2.1 i 0 .1.3.6.1.4.1.11.2.17.2.2 s PYSDON26BB0
.1.3.6.1.4.1.11.2.17.2.3 s 08-05-14 07:09:05 .1.3.6.1.4.1.11.2.17.2.4 s
COMMERR "Failed to communicate with the module" .1.3.6.1.4.1.11.2.17.2.5 s
major .1.3.6.1.4.1.11.2.17.2.6 s equipment .1.3.6.1.4.1.11.2.17.2.7 s LT-3-2-13
.1.3.6.1.4.1.11.2.17.2.8 s AMS
root 915 788 0 16:31:58 ? 0:00 /usr/local/bin/snmptrap -v 1 -c
public xxx.xxx.xxx.xxx:162:162 .1.3.6.1.4.1.11.2.17.2 servera 6 88888888
.1.3.6.1.4.1.11.2.17.2.1 i 0 .1.3.6.1.4.1.11.2.17.2.2 s WTRLONBGG00
.1.3.6.1.4.1.11.2.17.2.3 s 2008-05-12 16:18:52 .1.3.6.1.4.1.11.2.17.2.4 s
amasAPPackRemovedAlarmCS - Pack is removed .1.3.6.1.4.1.11.2.17.2.5 s normal
.1.3.6.1.4.1.11.2.17.2.6 s equipment .1.3.6.1.4.1.11.2.17.2.7 s ap-1-11
.1.3.6.1.4.1.11.2.17.2.8 s NAVIS
gromboug 19796 17137 0 12:10:11 pts/1 0:00 grep -i snmp
Here are the top 3 CPU intensive processes from the top command:
$ top
System: servera Wed May 14 12:12:04 2008
Load averages: 0.52, 0.54, 0.53
190 processes: 164 sleeping, 25 running, 1 zombie Cpu states:
CPU LOAD USER NICE SYS IDLE BLOCK SWAIT INTR SSYS
0 0.74 31.1% 0.0% 59.4% 9.6% 0.0% 0.0% 0.0% 0.0%
1 0.56 3.2% 0.0% 7.4% 89.4% 0.0% 0.0% 0.0% 0.0%
2 0.46 26.1% 0.0% 48.7% 25.1% 0.0% 0.0% 0.0% 0.0%
3 0.33 9.2% 0.0% 22.4% 68.5% 0.0% 0.0% 0.0% 0.0%
--- ---- ----- ----- ----- ----- ----- ----- ----- -----
avg 0.52 17.3% 0.0% 34.5% 48.2% 0.0% 0.0% 0.0% 0.0%
Memory: 955592K (924028K) real, 1669748K (1573868K) virtual, 425088K free
Page# 1/16
CPU TTY PID USERNAME PRI NI SIZE RES STATE TIME %WCPU %CPU COMMAND
2 ? 20745 root 237 20 3296K 488K run 1211:21 100.33 100.15 snmptrap
0 ? 4812 root 237 20 3296K 488K run 64:36 100.32 100.14 snmptrap
3 ? 1489 root -16 20 38432K 16736K run 170:56 19.19 19.16 midaemon
I am looking for any help you can give me in order to determine why this
command sometime hangs forever and inch by inch eventually takes down my server.
Thanks so much,
--
Greg B. Rombough
Manager - Applications Support & Development
Bell Systems & Technology
160 Elgin Street, Floor 17
Ottawa, ON
E-mail: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
Phone: (613) 781-0892
Mobile: (613) 290-4053
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