DB2 - Problembeschreibung
Problem IC77523 | Status: Geschlossen |
ON LINUX, SETTING NOFILES ULIMIT TO A VALUE, HIGHER THEN 64K CAN CAUSE A STACK CORRUPTION | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problembeschreibung: | |
On Linux systems , setting NOFILEs ulimit higher then 64K might cause a stack corruption. This stack corruption could potentially lead to an instance trap. The following messages are examples on how the error would look like on db2diag.log. 2010-09-01-20.10.16.639154-240 E3414811E517 LEVEL: Error (OS) PID : 17263 TID : 47815921232192PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 APPHDL : 0-9799 EDUID : 2208 EDUNAME: db2agent () 0 FUNCTION: DB2 UDB, oper system services, sqloPdbSelectSocket, probe:20 MESSAGE : ZRC=0x870F0025=-2029060059=SQLO_INVH "invalid file handle" DIA8534C An invalid file handle was encountered. CALLED : OS, -, select OSERR: EBADF (9) 2010-09-01-20.10.16.982814-240 I3415329E11559 LEVEL: Severe PID : 17263 TID : 47811676596544PROC : db2sysc 0 INSTANCE: db2inst1 NODE : 000 APPHDL : 0-28624 EDUID : 1997 EDUNAME: db2agent () 0 FUNCTION: DB2 UDB, base sys utilities, sqlePeekRequest, probe:10 MESSAGE : Possible stack corruption detected! DATA #1 : Hexdump, 2200 bytes This is an example of how the PROCESS STACK may look: ossDumpStackTraceEx 1 OSSTrapFile::dumpEx 2 OSSTrapFile::dump 3 sqlo_trce 4 sqloEDUCodeTrapHandler 5 __invoke_dynamic_linker 6 sqlcctest 7 sqeAgent::AgentBreathingPoint 8 sqldFetchDirect 9 sqldDataFetch 10 sqli_proc_leaf | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * Linux * **************************************************************** * PROBLEM DESCRIPTION: * * On Linux systems , setting NOFILEs ulimit higher then 64K * * might * * cause a stack corruption. * * * * * * * * This stack corruption could potentially lead to an instance * * * * trap. * **************************************************************** * RECOMMENDATION: * * The NOFILE ulimit to less or equal of 64K * **************************************************************** | |
Local-Fix: | |
Set NOFILE ulimit to less then 64K on the affected platforms | |
verfügbare FixPacks: | |
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows | |
Lösung | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 14.07.2011 22.12.2011 22.12.2011 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
Problem behoben lt. FixList in der Version | |
9.7.0.5 |