DB2 - Problem description
Problem IC79882 | Status: Closed |
DB2 may abend with SIGSEV due to socket FD overflow which can to lead stack corruption | |
product: | |
DB2 FOR LUW / DB2FORLUW / 970 - DB2 | |
Problem description: | |
DB2 may abend with SIGSEV due to socket FD overflow which can to lead stack corruption. This can been seen if you have the following: - ulimit nofiles set greater than 65534 - Large number of tablespace containers. - Multiple number of databases in a single instance. - Large number of remote client connection. db2diag.log: 2011-11-14-16.58.32.830196+060 I933528E472 LEVEL: Severe PID : 19296 TID : 46931430598976PROC : db2sysc 0 INSTANCE: db2adm NODE : 000 APPHDL : 0-10974 EDUID : 3042 EDUNAME: db2agent () 0 FUNCTION: DB2 UDB, RAS/PD component, pdResilienceIsSafeToSustain, probe:800 DATA #1 : String, 37 bytes Trap Sustainability Criteria Checking DATA #2 : Hex integer, 8 bytes 0x0000000400008800 DATA #3 : Boolean, 1 bytes false 2011-11-14-16.58.32.857846+060 I934001E470 LEVEL: Error PID : 19296 TID : 46931430598976PROC : db2sysc 0 INSTANCE: db2adm NODE : 000 APPHDL : 0-10974 EDUID : 3042 EDUNAME: db2agent () 0 FUNCTION: DB2 UDB, base sys utilities, sqleagnt_sigsegvh, probe:1 MESSAGE : Error in agent servicing application with coor_node: DATA #1 : Hexdump, 2 bytes 0x00002AAF1300F592 : 0000 .. Stack Trace 0x00002AAAB01A3E2F ossDumpStackTraceEx 0x00002AAAB019EBEE OSSTrapFile::dumpEx 0x00002AAAAD2AACAB sqlo_trce 0x00002AAAAD2F0392 sqloEDUCodeTrapHandler 0x00000037D840E4C0 __invoke_dynamic_linker__ 0x00002AAAAB7E7384 sqloSwap2to2 0x00002AAAAB9591C4 sqleReadDssHdr 0x00002AAAAB95888F sqlePeekDrdaBuffer 0x00002AAAAB9586F8 sqlePeekRequest 0x00002AAAAB9FFF72 sqlePeekRequest 0x00002AAAAB9FF5BD sqljsVerifyAgent 0x00002AAAAB9FF014 sqljsInitAgent | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * All Platforms * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to v9.7 Fixpack 6 or Higher * **************************************************************** | |
Local Fix: | |
Ensure ulimit nofiles set to value less than 65534 | |
available fix packs: | |
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows | |
Solution | |
Fixed in v9.7 Fixpack 6 | |
Workaround | |
not known / see Local fix | |
BUG-Tracking | |
forerunner : APAR is sysrouted TO one or more of the following: IC84323 follow-up : | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 18.11.2011 17.07.2012 17.07.2012 |
Problem solved at the following versions (IBM BugInfos) | |
9.7.FP6 | |
Problem solved according to the fixlist(s) of the following version(s) | |
9.7.0.6 |