ORA-00600 [ktecgsc:kcbz_objdchk] on 11.2 (Doc ID 1562473.1)

Last updated on MARCH 24, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 and later
Information in this document applies to any platform.

Symptoms

  1. The following error is raised by a W### process:
    *** 2013-05-23 12:20:02.137
    *** SESSION ID:(426.38291) 2013-05-23 12:20:02.137
    *** CLIENT ID:() 2013-05-23 12:20:02.137
    *** SERVICE NAME:(SYS$BACKGROUND) 2013-05-23 12:20:02.137
    *** MODULE NAME:(KTSJ) 2013-05-23 12:20:02.137
    *** ACTION NAME:(KTSJ Slave) 2013-05-23 12:20:02.137

    Dump continued from file: /paic/sx/ics/data/app/oracle/diag/rdbms/ics/ics/trace/ics_w006_25483.trc
    ORA-00600: internal error code, arguments: [ktecgsc:kcbz_objdchk], [0], [0], [1], [], [], [], [], [], [], [], []

    ========= Dump for incident 104147 (ORA 600 [ktecgsc:kcbz_objdchk]) ========
    ----- Beginning of Customized Incident Dump(s) -----
    Input data 0x0, 0, 0
    Formatted dump of block:
    buffer tsn: 4 rdba: 0x01002e4a (4/11850)
    scn: 0x082a.f00dd046 seq: 0x01 flg: 0x04 tail: 0xd0462301
    frmt: 0x02 chkval: 0xcea6 type: 0x23=PAGETABLE SEGMENT HEADER
    Hex dump of block: st=0, typ_found=1


  2. Review of the generated tracefiles reveals a call stack similar to:
    ... <- _$c1A.kcbz_check_objd_typ <- kcbzib <- kcbgcur <- ktecgsc <- ktecgetsh <- ktecgshx <- ktssupd_segment_extblks_bkg <- ktsj_execute_task <- ktsj_slave_main <- ksvrdp <- opirip <- ...

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms