ORA-7445 [SDBGRFUIO_IS_OWNER] on 11g Windows (Doc ID 1197864.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.2.0 [Release 11.1 to 11.2]
Microsoft Windows (32-bit)
Microsoft Windows x64 (64-bit)



Symptoms

Encountering the following error message:

ORA-07445: exception encountered: core dump [sdbgrfuio_is_owner()+12] [ACCESS_VIOLATION] [ADDR:0x...] [PC:0x...] [UNABLE_TO_READ] []

The Call Stack that was written in the related tracefile shows:
sdbgrfuio_is_owner <- VInfreq__dbgrfclt_cleanup_lck_table <- dbgrdr_delete_resources
<- dbgrdap_del_adr_pga <- dbgc_free_all <- dbgc_chown_diagctx <- dbgc_reuse_diagctx
<- dbgc_initx_pga <- dbkc_init_RDBMS_diagctx <- dbkc_nfy <- kscnfy <- ksmcpg <- ksucrp <- kkjrdp
<- opirip <- opidrv <- sou2o <- opimai_real <- opimai <- BackgroundThreadStart

Cause

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