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Observing semaphore leak on AIX (Doc ID 2586177.1)

Last updated on SEPTEMBER 08, 2020

Applies to:

Siebel CRM - Version 16.13 [IP2016] and later
IBM AIX on POWER Systems (64-bit)

Symptoms

After stopping Siebel Server, it observes that Siebel owner's semaphores are remaining. By this issue, it is accumulated the number of semaphores by restarting Siebel Server.

0. OS reboot - "ipcs -sar | grep sia16ora | wc -l" result
=> 0
1. start & stop Siebel Server
=> 138 => 37
2. start & stop Siebel Server
=> 169 => 69
3. start & stop Siebel Server
=> 186 => 91
4. start & stop Siebel Server
=> 232 => 120
5. start & stop Siebel Server
=> 225 => 142
6. start & stop Siebel Server
=> 265 => 171
7. start & stop Siebel Server
=> 300 => 200

/vol1/sia16ora/16.0.0.0/siebsrvr $ ps -ef | grep sia16ora
root 4522130 5177514 0 Aug 19 - 0:00 sshd: sia16ora [priv]
sia16ora 4587546 4522130 0 Aug 19 - 0:00 sshd: sia16ora@pts/1
sia16ora 4784340 7471178 0 Aug 19 pts/0 0:00 -ksh
root 6422736 5177514 0 Aug 19 - 0:00 sshd: sia16ora [priv]
sia16ora 7405814 4784340 0 Aug 19 pts/0 0:00 ksh
sia16ora 7471178 6422736 0 Aug 19 - 0:00 sshd: sia16ora@pts/0
sia16ora 8192018 4587546 0 Aug 19 pts/1 0:00 -ksh
sia16ora 10420426 7405814 0 21:01:23 pts/0 0:00 ps -ef
sia16ora 10813568 8192018 0 20:59:43 pts/1 0:00 ksh
/vol1/sia16ora/16.0.0.0/siebsrvr $ ipcs -sar | grep sia16ora
s - 0xffffffff --ra-ra-ra- sia16ora staff sia16ora staff 1 0:11:17 21:12:22 - -
s - 0xffffffff --ra-ra-ra- sia16ora staff sia16ora staff 1 0:11:17 21:12:22 - -
s - 0xffffffff --ra-ra-ra- sia16ora staff sia16ora staff 1 22:16:21 22:15:35 - -
s - 0xffffffff --ra-ra-ra- sia16ora staff sia16ora staff 1 1:09:27 1:08:47 - -
s - 0xffffffff --ra-ra-ra- sia16ora staff sia16ora staff 1 0:28:44 0:28:09 - -
s - 0xffffffff --ra-ra-ra- sia16ora staff sia16ora staff 1 23:56:44 23:56:00 - -
...
/vol1/sia16ora/16.0.0.0/siebsrvr $ ipcs -sar | grep sia16ora | wc -l
200

Cause

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In this Document
Symptoms
Cause
Solution
References


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