DB2 - Problembeschreibung
Problem IC78436 | Status: Geschlossen |
DB2 MAY TRAP WHEN UNFIXING THE LAST PAGE OF A TEMP TABLE DUE TO A TIMING HOLE ISSUE | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 950 - DB2 | |
Problembeschreibung: | |
When dropping a TEMP table, db2 will unfix pages from buffer pool. There exist an issue where a trap can possibly occur when the last page of a TEMP table is fixed and an attempt to unfix the page is made. The issue can be identified from the stack trace. <StackTrace> sqlbufix sqlbufix sqldDropTable sqldDropTable sqldTableDrop sqlrl_userTempDrop sqlrl_userTempCleanup sqlrr_appl_term AppStopUsing </StackTrace> | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * When dropping a TEMP table, db2 will unfix pages from buffer * * * * pool. There exist a timing hole issue when two unfixers try * * to * * unfix the last page of a TEMP table without the page latch * * * * protection which in turn causes db2 trap. * * * * * * * * The issue can be identified from the stack trace. * * * * * * * * <StackTrace> * * * * sqlbufix * * * * sqlbufix * * * * sqldDropTable * * * * sqldDropTable * * * * sqldTableDrop * * * * sqlrl_userTempDrop * * * * sqlrl_userTempCleanup * * * * sqlrr_appl_term * * * * AppStopUsing * * * * </StackTrace> * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 V95fp9 * **************************************************************** | |
Local-Fix: | |
verfügbare FixPacks: | |
DB2 Version 9.5 Fix Pack 9 for Linux, UNIX, and Windows | |
Lösung | |
The fix will be included in DB2 V95fp9 | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Bug-Verfolgung | |
Vorgänger : APAR is sysrouted TO one or more of the following: IC79976 IC84162 Nachfolger : | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 31.08.2011 23.03.2012 23.03.2012 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.5.FP9 | |
Problem behoben lt. FixList in der Version | |
9.5.0.9 |