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ORA-00600 [qksfroFXTStatsLoc() - unknown KQ] (Doc ID 748774.1)

Last updated on JANUARY 30, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


Alert log reports:

ORA-00600: internal error code, arguments: [qksfroFXTStatsLoc() - unknown KQ], [0], [], [], [],[], [], []

The call stack in the trace file includes all or some of the following functions:

qksfroFXTStatsLoc qksfroFXTst kkeits kkoiqb kkooqb kkoqbc apakkoqb apaqbd apaqbd apadrv opitca kksFullTypeCheck rpiswu2 kksSetBindType kksfbc opiexe kpoal8 opiodr kpoodrc rpiswu2 kpoodr upirtrc kpurcsc kpuexecv8 kpuexec OCIStmtExecute kewrose_oci_stmt_ex kewrgwxf1_gwrsql_ex ft_1 kewrgwxf_gwrsql_exf kewrews_execute_wr_ sql kewrfsgo_flush_sego kewrft_flush_table kewrftec_flush_tabl e_ehdlcx kewrftsg_flush_tops kewrft_flush_table kewrftec_flush_tabl e_ehdlcx kewrfat_flush_all_t ables kewrfos_flush_onesn kewrfsc_flush_snaps hot_c kewrafs_auto_flush_ slave kebm_slave_main ksvrdp opirip

The following messages are also seen in the alert.log:

WARNING: Oracle executable binary mismatch detected.
Binary of new process does not match binary which started instance
issue alter system set "_disable_image_check" = true to disable these messages

This same issue has also been reported in as:

ORA-07445: exception encountered: core dump [qksfroFXTst()+192] [SIGSEGV] [ADDR:0x40B] [PC:0x102AC46E0] [Address not mapped to object] []

accompanied by the same binary mismatch error.


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