E1 : Security Kernel crashing constantly 9.1.4.3. Log attached..

Continuous stopped Security kernels on our Tools Release  EnterpriseOne 9.1.4.3 on ISeries, JDE 9.1

No obvious end user issues but periodic problems with user sessions.

No offering from Oracle on cause and we cannot debug a periodic issue in production....

Open to any suggestions or comments on cause or how to trap????

ID/PSThread_ID:  2916/145

System Thread ID: 145

Thread Name:      

CALLSTACK:

Level  Program    Library    Module     Statement  Procedure

0      JDELIB     E910SYS    JDEDEBUG   0000000035 allocThreadStack

1      JDELIB     E910SYS    JDEDEBUG   0000000092 allocAllThreadStack

2      JDELIB     E910SYS    JDECALLSTK 0000000004 logCallStackOnAS400

3      JDELIB     E910SYS    JDECALLSTK 0000000004 jdeLogCallStack

4      JDENET     E910SYS    NETSIG     0000000038 krnlSignalHandler

5      JDELIB     E910SYS    JDEMLIST   0000000006 jdeListFindDataPartial

6      JDEKRNL    E910SYS    JDEKSEC    0000000024 RemoveFromLogonUserList