DB2 - Problembeschreibung
Problem IC88888 | Status: Geschlossen |
DB2GCF MAY ENCOUNTER MEMORY ISSUES WHEN USED WITH ASLR ON LINUX | |
Produkt: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problembeschreibung: | |
If the db2gcf process encounters this issue, a Severe error message similiar to the following will be seen in the db2diag.log: 2012-02-12-05.06.30.931347+480 I18439037E1487 LEVEL: Severe (OS) PID : 55238 TID : 46982620153456PROC : db2gcf INSTANCE: db2inst4 NODE : 000 FUNCTION: DB2 UDB, SQO Memory Management, sqlocshr, probe:210 MESSAGE : ZRC=0x850F0005=-2062614523=SQLO_NOSEG "No Storage Available for allocation" DIA8305C Memory allocation failure occurred. CALLED : OS, -, shmat OSERR: EINVAL (22) DATA #1 : Memory set handle, PD_TYPE_OSS_MEM_SET_HDL, 48 bytes 0x00007FFF588B27F0 : 0000 0000 0200 0000 0000 0000 0200 0000 ................ 0x00007FFF588B2800 : 0000 0000 0000 0000 0000 0000 0000 0000 ................ 0x00007FFF588B2810 : 0000 2603 0000 0000 0880 0701 0000 0000 ..&............. DATA #2 : Memory set ID, PD_TYPE_OSS_MEM_SET_ID, 4 bytes 0x0000000200001DC0 : 1300 4B20 ..K DATA #3 : Pointer, 8 bytes 0x00002abaecd61000 CALLSTCK: [0] 0x00002ABAFB2B7A4D pdLogSysRC + 0x239 [1] 0x00002ABAFB37BF20 sqlocshr + 0x752 [2] 0x00002ABB00EF785C _Z21sqlhaMonitorPartitionP13sqlo_nodeline + 0x2CC [3] 0x00002ABB00EF74B5 _Z22sqlhaMonitorNodeNumbers + 0x155 [4] 0x00002ABB00EF1CB1 gcf_getstate + 0x1FCD [5] 0x00002ABAFABF93A1 _ZN9GcfCaller8getStateEP12GCF_PartInfomP11GCF_RetInfo + 0x1B7 [6] 0x0000000000403A4E main + 0x1026 [7] 0x000000338761D994 __libc_start_main + 0xF4 [8] 0x0000000000402999 __gxx_personality_v0 + 0xD1 [9] 0x0000000000000000 ?unknown + 0x0 This is due to db2gcf not properly handling the Linux Address Space Layout Randomization (ASLR) feature. This is the same issue as documented in the following link: http://www-01.ibm.com/support/docview.wss?uid=swg21365583 | |
Problem-Zusammenfassung: | |
**************************************************************** * USERS AFFECTED: * * Integrated HA w/ TSA users running on Linux with ASLR * * enabled. * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 V9.7 FP8 * **************************************************************** | |
Local-Fix: | |
Refer to the "Resolving the problem" section of the following link: http://www-01.ibm.com/support/docview.wss?uid=swg21365583 | |
verfügbare FixPacks: | |
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows | |
Lösung | |
Fixed in DB2 V9.7 FP8 | |
Workaround | |
keiner bekannt / siehe Local-Fix | |
Bug-Verfolgung | |
Vorgänger : APAR is sysrouted TO one or more of the following: IC89339 Nachfolger : | |
Weitere Daten | |
Datum - Problem gemeldet : Datum - Problem geschlossen : Datum - der letzten Änderung: | 05.12.2012 01.04.2013 01.04.2013 |
Problem behoben ab folgender Versionen (IBM BugInfos) | |
9.7.FP8 | |
Problem behoben lt. FixList in der Version | |
9.7.0.8 |