alter.log:
Thu Mar 28 15:25:31 2013Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x0] [PC:0x841BFE3, __PGOSF520_upduaw()+3019] [flags: 0x0, count: 1]Errors in file /oracle/diag/rdbms/acms/acms/trace/acms_ora_23431.trc(incident=8937):ORA-07445: 出现异常错误: 核心转储 [upduaw()+3019] [SIGSEGV] [ADDR:0x0] [PC:0x841BFE3] [Address not mapped to object] []Thu Mar 28 15:25:32 2013Sweep [inc][8937]: completed
cms40_ora_23431.trc:Trace file /oracle/diag/rdbms/acms/acms/trace/acms_ora_23431.trcOracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit ProductionWith the Partitioning, OLAP, Data Mining and Real Application Testing optionsORACLE_HOME = /oracle/product/11.2.0/db_1System name:LinuxNode name:lingmahaiRelease:2.6.18-194.el5Version:#1 SMP Fri Apr 2 14:58:14 EDT 2010Machine:x86_64Instance name: acmsRedo thread mounted by this instance: 1Oracle process number: 36Unix process pid: 23431, image: oracle@lingmahai
*** 2013-03-28 15:25:31.748*** SESSION ID
132.50817) 2013-03-28 15:25:31.748*** CLIENT ID
) 2013-03-28 15:25:31.748*** SERVICE NAME
SYS$USERS) 2013-03-28 15:25:31.748*** MODULE NAME
JDBC Thin Client) 2013-03-28 15:25:31.748*** ACTION NAME
) 2013-03-28 15:25:31.748 --------Dumping Sorted Master Trigger List --------Trigger Owner : ACMSUSERTrigger Name : TR_PAGELAYOUTTrigger Owner : ACMSUSERTrigger Name : T_PAGELAYOUT_UPDATE--------Dumping Trigger Sublists -------- trigger sublist 0 : trigger sublist 1 :Trigger Owner : ACMSUSERTrigger Name : TR_PAGELAYOUTTrigger Owner : ACMSUSERTrigger Name : T_PAGELAYOUT_UPDATE trigger sublist 2 : trigger sublist 3 : trigger sublist 4 :
*** 2013-03-28 15:25:31.753Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x0] [PC:0x841BFE3, __PGOSF520_upduaw()+3019] [flags: 0x0, count: 1]DDE: Problem Key 'ORA 7445 [upduaw()+3019]' was flood controlled (0x6) (incident: 8937)ORA-07445: 出现异常错误: 核心转储 [upduaw()+3019] [SIGSEGV] [ADDR:0x0] [PC:0x841BFE3] [Address not mapped to object] []ssexhd: crashing the process...Shadow_Core_Dump = PARTIAL
请教下ORA-07445这个问题是因为什么产生的，应该怎么去解决？
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