DB2 FOR LUW / DB2FORLUW / 980 - DB2

A severe diagnostic message with the function 
"sqloMemDetachFromSegments" may be logged to the db2diag.log 
unnecessarily by the db2rocm process when using the DB2 
pureScale feature.  The error is related to a harmless expected 
condition and will be removed. 
 
db2diag.log example: 
 
2011-11-29-19.43.55.384847+540 I2751121A1425        LEVEL: 
Severe (OS) 
PID     : 21758068             TID  : 1             PROC : 
db2rocm 2 [db2inst] 
INSTANCE: db2inst              NODE : 002 
HOSTNAME: host1 
EDUID   : 1                    EDUNAME: db2rocm 2 [db2inst1] 
FUNCTION: DB2 UDB, SQO Memory Management, 
sqloMemDetachFromSegments, probe:100 
MESSAGE : ZRC=0x820F0002=-2112946174=SQLO_INV_MEM "Invalid 
memory addr" 
          DIA8561C A invalid memory block was encountered. 
CALLED  : OS, -, shmdt 
OSERR   : EINVAL (22) "Invalid argument" 
DATA #1 : unsigned integer, 8 bytes 
0 
DATA #2 : unsigned integer, 8 bytes 
1 
DATA #3 : Pointer, 8 bytes 
0x0a00040000000000 
CALLSTCK: 
  [0] 0x090000000566BF20 pdLogSysRC@glue45B + 0x11C 
  [1] 0x0900000005431320 
@84@sqloMemDetachFromSegments__FPCvCUlCb + 0xA0 
  [2] 0x090000000566DA98 
sqloMemDetachFromSegments__FPCvCUlCb@glue52A + 0x78 
  [3] 0x09000000054328AC 
@84@sqloMemDetachFromSharedMemory__FCP12SQLO_MEM_SETCbT2 + 0xA4 
  [4] 0x090000000B3C3348 sqlodshr + 0x148 
  [5] 0x00000001000093E4 
sqlhaDbmsDetach__FPA85_lP18SQLHA_SHMEM_HANDLE + 0x1E4 
  [6] 0x000000010000DFC0 
sqlhaMonitorPartition__FsUlP23SQLO_PGRP_FILE_CONTENTS + 0x1C0 
  [7] 0x000000010000FA44 
sqlhaMonitorPartitionAndLog__FsUlP23SQLO_PGRP_FILE_CONTENTS26_sq 
lhaExpectedMonitorState + 0x284 
  [8] 0x0000000100007828 rocmDB2Monitor + 0x48 
  [9] 0x0000000100002C64 main + 0x1284 
  [10] 0x0000000100000320 __start + 0x98 
 
2011-11-29-19.43.55.819036+540 I2752547A1763        LEVEL: Error 
PID     : 21758068             TID  : 1             PROC : 
db2rocm 2 [db2inst1] 
INSTANCE: db2inst1              NODE : 002 
HOSTNAME: host1 
EDUID   : 1                    EDUNAME: db2rocm 2 [db2inst1] 
FUNCTION: DB2 UDB, SQO Memory Management, 
sqloMemDetachFromSharedMemory, probe:220 
MESSAGE : ZRC=0x820F0002=-2112946174=SQLO_INV_MEM "Invalid 
memory addr" 
          DIA8561C A invalid memory block was encountered. 
DATA #1 : Memory set handle, PD_TYPE_OSS_MEM_SET_HDL, 48 bytes 
0x0FFFFFFFFFFFD798 : 0780 0000 0000 0000 0780 0000 0000 0000 
................ 
0x0FFFFFFFFFFFD7A8 : 0000 0000 0000 0000 0000 0000 0000 0000 
................ 
0x0FFFFFFFFFFFD7B8 : 0000 0000 0A2E 0000 0180 001A 0000 0002 
................ 
DATA #2 : Chunk group, PD_TYPE_CHUNK_GROUP, 64 bytes 
0x0780000000001E48 : 0000 0000 0000 0000 0780 0000 0000 1E08 
................ 
0x0780000000001E58 : 0A00 0400 0000 0000 07F0 001E 0000 0000 
................ 
0x0780000000001E68 : 0080 2044 0000 0007 0000 0007 0000 0001 
.. D............ 
0x0780000000001E78 : 0780 0000 0000 0000 0780 0000 0000 02C0 
................ 
CALLSTCK: 
  [0] 0x090000000B063170 pdLog@glue663 + 0xD4 
  [1] 0x09000000054328E0 
@84@sqloMemDetachFromSharedMemory__FCP12SQLO_MEM_SETCbT2 + 0xD8 
  [2] 0x090000000B3C3348 sqlodshr + 0x148 
  [3] 0x00000001000093E4 
sqlhaDbmsDetach__FPA85_lP18SQLHA_SHMEM_HANDLE + 0x1E4 
  [4] 0x000000010000DFC0 
sqlhaMonitorPartition__FsUlP23SQLO_PGRP_FILE_CONTENTS + 0x1C0 
  [5] 0x000000010000FA44 
sqlhaMonitorPartitionAndLog__FsUlP23SQLO_PGRP_FILE_CONTENTS26_sq 
lhaExpectedMonitorState + 0x284 
  [6] 0x0000000100007828 rocmDB2Monitor + 0x48 
  [7] 0x0000000100002C64 main + 0x1284 
  [8] 0x0000000100000320 __start + 0x98

**************************************************************** 
* USERS AFFECTED:                                              * 
* All                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Diagnostic message can be ignored                            * 
****************************************************************

First fixed in DB2 Version 9.8 Fix Pack 5

not known / see Local fix

forerunner  : APAR is sysrouted TO one or more of the following: IC84508 
follow-up : 

Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :

14.12.2011
18.07.2012
18.07.2012

9.8.FP5