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DB2 - Problembeschreibung

Problem IC95009 Status: Geschlossen

IN PURESCALE ENVIRNMENT, 3-WAY DEADLATCH COULD HAPPEN IN RARE TIMING
SCENARIO.

Produkt:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problembeschreibung:
In rare timing scenario, 3-way deadlatch among 
SQLO_LT_SQLB_BPD__bpdLatch_SX and 
SQLO_LT_SQLD_PAGE_CACHE__pageCacheLatch and 
SQLO_LT_SQLD_TCB__loadInProgress could happen. This can only 
happen on pureScale environment. 
 
This can be hit when the following 2 situation happens at the 
same time; 
 
1) Multiple sessions are accessing the same table. 
2) The TCB of the index of the table being accessed is being 
reloaded because its definition is changed on the remote node. 
 
SQLO_LT_SQLB_BPD__bpdLatch_SX is an untrackable latch so we 
cannot determine this 3-way deadlatch using stacks or db2pd 
-latches output.
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* V10.1 Users                                                  * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to V10.1 Fixpack 4.                                  * 
****************************************************************
Local-Fix:
verfügbare FixPacks:
DB2 Version 10.1 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 10.1 Fix Pack 6 for Linux, UNIX, and Windows

Lösung
Fixed in V10.1 Fixpack 4.
Workaround
keiner bekannt / siehe Local-Fix
Bug-Verfolgung
Vorgänger  : APAR is sysrouted TO one or more of the following: IC98997 
Nachfolger : 
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
19.08.2013
27.08.2014
27.08.2014
Problem behoben ab folgender Versionen (IBM BugInfos)
Problem behoben lt. FixList in der Version
10.1.0.4 FixList