db2服务器异常宕机

db2diag.log中信息：

2015-12-24-12.17.36.622695+480 E721199033E381      LEVEL: Error (OS)PID     : 19128                TID  : 140543250130688PROC : db2sysc 0INSTANCE: db2inst1             NODE : 000EDUID   : 14                   EDUNAME: db2ipccm 0FUNCTION: DB2 UDB, SQO Memory Management, sqloMemCreateSingleSegment, probe:100CALLED  : OS, -, shmget                           OSERR: ENOMEM (12)2015-12-24-12.17.36.668248+480 I721199415E1368     LEVEL: SeverePID     : 17962                TID  : 140690868049696PROC : svr_etl_taskINSTANCE: db2inst1             NODE : 000          DB   : TESTDB   FUNCTION: DB2 UDB, DRDA Communication Manager, sqljcCommConnect, probe:10MESSAGE : ZRC=0x81360012=-2127167470=SQLZ_RC_CMERR, SQLT_SQLJC          "External Comm error"DATA #1 : String, 11 bytesCCI Error: DATA #2 : unsigned integer, 8 bytes118CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol)  [0] 0x00007FF5277AE4BB pdLog + 0x1FF  [1] 0x00007FF527FC7FE1 _Z16sqljcLogCCIErrorP10sqljCmnMgrPKcP12SQLCC_COND_Thllll + 0x15B  [2] 0x00007FF527FC31AA _Z16sqljcCommConnectP10sqljCmnMgr + 0x4B0  [3] 0x00007FF52782EB04 _Z15sqljcCmnMgrInitP10sqljCmnMgrP17SQLCC_COMHANDLE_TPhmP14db2UCconHandlehP8sqlo_gmt + 0x520  [4] 0x00007FF527FF67B7 _Z20sqljrCreateTransportP14db2UCconHandle + 0x183  [5] 0x00007FF527831FF2 _Z23sqljrAssociateTransportP14db2UCconHandlePlbP19SQLE_SRVLST_DBENTRYPi + 0x7A  [6] 0x00007FF527FF69CE _Z20sqljrInternalConnectP14db2UCconHandlePbPib + 0x1A6  [7] 0x00007FF527FF8CEE _Z30sqljrFindBestAddressAndConnectP14db2UCconHandle + 0x64

操作系统信息是：

Dec 24 14:19:07 EASTTEST out of memory [2229]