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DB2 - Problem description

Problem IC66206 Status: Closed

SIGNAL 11 CRASH IN SQLRIARRAYDESCRIPTOR USING NEW ARRAY FEATURE IN V9.5

product:
DB2 FOR LUW / DB2FORLUW / 950 - DB2
Problem description:
Signal 11 crash using the new V9.5 ARRAY feature in a sql 
statement. 
 
This will produce stacks similar to the following 
 
 
ossDumpStackTraceEx 
OSSTrapFile::dumpEx 
sqlo_trce 
sqloEDUCodeTrapHandler 
__libc_sigaction 
sqlriArrayDescriptor::getElement 
sqlriArrayDescriptor::getElementZvalue 
sqlriArrayUnnest 
sqlriNljnPiped 
sqlriSectInvoke 
sqlrr_process_execute_request 
sqlrr_execute 
pvmPackage::executeSection 
PVM::executeQuery 
PVM::run 
pvm_entry 
sqloInvokeFnArgs 
 
Or you could see the following stack produced 
 
sqlofmblk 
arrayControlBlock::freeMem 
sqlriArrayDescriptor::destroy 
sqlricls_complex 
sqlricls 
sqlriecc
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* Signal 11 crash using new V9.5 ARRAY feature  in             * 
* sqlstatementWill produce stacks similar to the following0    * 
*     ossDumpStackTraceEx1        OSSTrapFile::dumpEx2         * 
* sqlo_trce3        sqloEDUCodeTrapHandler4                    * 
* __libc_sigaction5        sqlriArrayDescriptor::getElement6   * 
*      sqlriArrayDescriptor::getElementZvalue7                 * 
* sqlriArrayUnnest8        sqlriNljnPiped9                     * 
* sqlriSectInvoke10      sqlrr_process_execute_request11       * 
* sqlrr_execute12      pvmPackage::executeSection13            * 
* PVM::executeQuery14      PVM::run15      pvm_entry16         * 
* sqloInvokeFnArgsOr you could see the following stack         * 
* producedsqlofmblkarrayControlBlock::freeMemsqlriArrayDescripto 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to V9.5 Fixpack 6                                    * 
****************************************************************
Local Fix:
Turn off Intra_Parallel in the database manager configuration 
file.
available fix packs:
DB2 Version 9.5 Fix Pack 6a for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.5 Fix Pack 10 for Linux, UNIX, and Windows

Solution
Fixed contained in Version 9.5 Fixpack 6
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
10.02.2010
19.10.2010
19.10.2010
Problem solved at the following versions (IBM BugInfos)
9.5.FP6
Problem solved according to the fixlist(s) of the following version(s)
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