Encounter ORA-07445 [kgghash()] with function k2gte2cb trapped in the call stack
(Doc ID 1474924.1)
Last updated on JANUARY 30, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.2 and laterInformation in this document applies to any platform.
Symptoms
Alert log reports the error message ORA-07445[kgghash()]
Wed Jul 11 06:39:31 2012
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x4C000400D] [PC:0x1073215C4, kgghash()+804] [flags: 0x0, count: 1]
----
ORA-07445: exception encountered: core dump [kgghash()+804] [SIGSEGV] [ADDR:0x4C000400D] [PC:0x1073215C4] [Address not mapped to object] []
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x4C000400D] [PC:0x1073215C4, kgghash()+804] [flags: 0x0, count: 1]
----
ORA-07445: exception encountered: core dump [kgghash()+804] [SIGSEGV] [ADDR:0x4C000400D] [PC:0x1073215C4] [Address not mapped to object] []
The trace file indicates that the query was made on the global transaction table:
SELECT formatid, globalid, branchid FROM SYS.DBA_PENDING_TRANSACTIONS
The call stack in the trace file includes next functions. Please note the function k2gte2cb in the below stack:
ksedst1 <- ksedst <- dbkedDefDump <- ssexhd <- sighndlr
<- call_user_handler <- kgghash <- k2gte2cb <- qerfxFetch <- qervwFetch
<- qertqoFetch <- qerpxSlaveFetch <- 868 <- qerpxFetch <- opiexe
<- kpoal8 <- opiodr <- kpoodr <- upirtrc <- kpurcsc
<- kpuexec <- OCIStmtExecute <- kxfxsStmtExecute <- 204 <- kxfxsExecute
<- kxfxsp <- kxfxmai <- kxfprdp <- opirip <- opidrv
<- sou2o <- opimai_real <- ssthrdmain <- main <- start
<- call_user_handler <- kgghash <- k2gte2cb <- qerfxFetch <- qervwFetch
<- qertqoFetch <- qerpxSlaveFetch <- 868 <- qerpxFetch <- opiexe
<- kpoal8 <- opiodr <- kpoodr <- upirtrc <- kpurcsc
<- kpuexec <- OCIStmtExecute <- kxfxsStmtExecute <- 204 <- kxfxsExecute
<- kxfxsp <- kxfxmai <- kxfprdp <- opirip <- opidrv
<- sou2o <- opimai_real <- ssthrdmain <- main <- start
Changes
Cause
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