ORA-07445 [ksmem_free()+50] While Upgrading Database To 12.1.0.2 (Doc ID 2259582.1)

Last updated on MAY 25, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Database upgrade failed at the post upgrade steps while trying to upgrade to 12.1.0.2.

Error ORA-07445: exception encountered: core dump [ksmem_free()+50]  raised during database startup .

Call stack:

ksmem_free <- ssMemFree <- nlpainzert <- nlpains <- nlpacheck_n_load
<- nlpagap <- nnfttran <- nnftrne <- nnfgrne <- nlolgobj
<- nnfun2a <- nnfsn2a <- kmntrn <- kmmckalias <- kmmlra_rslv

Changes

Upgrade database to 12.1.0.2.

Cause

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