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Parallel Query hangs/spin with ORA-07445(qkaMarkQkn) while Parsing (Doc ID 2332410.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

On : 11.2.0.3 version, RDBMS

ACTUAL BEHAVIOR
---------------

ORA-07445 is rasied in qkaMarkQkn when there is a data redistribution with a parallel query.
ORA-07445: exception encountered: core dump [qkaMarkQkn()+5093] [SIGSEGV] [ADDR:0x10] [PC:0x19893BD] [Address not mapped to object]

skdstdst <- ksedst1 <- ksedst <- dbkedDefDump <- ksedmp
<- ssexhd <- sighandler <- qkaMarkQkn <- qkaMarkQkn <- qkaMarkQkn
<- qkaMarkQkn <- qkaMarkQkn <- qkaMarkQkn <- qkaMarkQkn <- qkaMarkQkn
<- qkaMarkQkn <- qkaMarkQkn <- qkaMarkQkn <- qkadrv2Pre <- qkadrv2

 

Changes

 Customer have changed the blew hidden parameter.

_nlj_batching_enabled = 0 (default 1)

Cause

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