|
Problem IC77733
|
Status: Closed |
CRASH IN SQLJRCLIENTREROUTE WHEN FREEING NULL POINTER DURING LOW MEMORY CONDITION |
| product: |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 |
| Problem description: |
During a low memory condition, an unsuccessful Client Reroute
may cause a Signal 11 while trying to free a NULL pointer. The
db2diag.log will contain a message like this:
2011-06-26-06.38.45.220362-420 I191223582C1038 LEVEL: Severe
PID : 643214 TID : 1 PROC :
INSTANCE: db2inst1 NODE : 000 DB : sample
APPHDL : 0-119 APPID: AABBCCDD.A17B.110531140101
FUNCTION: DB2 UDB, SQO Memory Management, sqlofmblkEx, probe:22
MESSAGE : Attempted to free NULL pointer.
CALLSTCK:
[0] 0xD477F19C sqlofmblkEx + 0x8E0
[1] 0xD3ED7C80
sqljrClientReroute__FP7UCintfcibPbP16sqljrChainedRqst + 0x3C4
[2] 0xD3ED702C
sqljrPostErrorProcessing__FP13sqljrDrdaArCbP7UCintfci + 0x23C
[3] 0xD3E30F40 sqljrDrdaArRollback__FP7UCintfc + 0x85C
[4] 0xD44C2434
sqljsRollbackBeforeConnectReset__FP11UCconHandle + 0xF0
[5] 0xD44C258C sqljsCleanup__FP13sqle_agent_cbP11UCconHandle +
0xCC
[6] 0xD44C21A8 sqljsDrdaAsInnerDriver__FP17sqlcc_init_structb
+ 0x110
[7] 0xD44C1EFC sqljsDrdaAsDriver__FP17sqlcc_init_struct + 0x88
[8] 0xD4599724 sqleRunAgent__FPcUl + 0x264
[9] 0xD43340FC sqloCreateEDU__FPFPcUl_vPcUlP13SQLO_EDU_INFOPl
+ 0x1AC |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* AIX/Unix/Linux Client Reroute users *
****************************************************************
* PROBLEM DESCRIPTION: *
* During a low memory condition, an unsuccessful Client *
* Reroute may cause a Signal 11 while trying to free a NULL *
* pointer. The db2diag.log will contain a message like this: *
* *
* 2011-06-26-06.38.45.220362-420 I191223582C1038 LEVEL: *
* Severe *
* PID : 643214 TID : 1 PROC : *
* INSTANCE: db2inst1 NODE : 000 DB : *
* sample *
* APPHDL : 0-119 APPID: *
* AABBCCDD.A17B.110531140101 *
* FUNCTION: DB2 UDB, SQO Memory Management, sqlofmblkEx, *
* probe:22 *
* MESSAGE : Attempted to free NULL pointer. *
* CALLSTCK: *
* [0] 0xD477F19C sqlofmblkEx + 0x8E0 *
* [1] 0xD3ED7C80 *
* sqljrClientReroute__FP7UCintfcibPbP16sqljrChainedRqst + *
* 0x3C4 *
* [2] 0xD3ED702C *
* sqljrPostErrorProcessing__FP13sqljrDrdaArCbP7UCintfci + *
* 0x23C *
* [3] 0xD3E30F40 sqljrDrdaArRollback__FP7UCintfc + 0x85C *
* [4] 0xD44C2434 *
* sqljsRollbackBeforeConnectReset__FP11UCconHandle + 0xF0 *
* [5] 0xD44C258C *
* sqljsCleanup__FP13sqle_agent_cbP11UCconHandle + 0xCC *
* [6] 0xD44C21A8 *
* sqljsDrdaAsInnerDriver__FP17sqlcc_init_structb + 0x110 *
* [7] 0xD44C1EFC sqljsDrdaAsDriver__FP17sqlcc_init_struct + *
* 0x88 *
* [8] 0xD4599724 sqleRunAgent__FPcUl + 0x264 *
* [9] 0xD43340FC *
* sqloCreateEDU__FPFPcUl_vPcUlP13SQLO_EDU_INFOPl + 0x1AC *
* *
* A successful Client Reroute in a low memory condition will *
* not experience this problem. *
****************************************************************
* RECOMMENDATION: *
* Apply DB2 v9.5 FP9 *
**************************************************************** |
| Local Fix: |
|
| available fix packs: |
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 |
First fixed in DB2 v9.5 FP9 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 26.07.2011
22.03.2012
22.03.2012 |
| Problem solved at the following versions (IBM BugInfos) |
9.5.FP9
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 9.5.0.9
|
 |
