Common Solutions for ORA-600 [ktte_append_file_info-1] in MMON Process
Last updated on NOVEMBER 28, 2016
Applies to:Oracle Server - Enterprise Edition - Version: 10.2.0.1 and later [Release: 10.2 and later ]
This problem can occur on any platform.
1. Trace files containing the call stack (partial):
ktte_append_file_info ktte_insert_ts ktte_prime_finfo ktte_monitor_tsth ktte_monitor_ts ksbcti ksbabs kebm_mmon_main ksbrdp
2. The alert log shows internal errors following the opening of a database:
ORA-01157: cannot identify/lock data file 80 - see DBWR trace file
ORA-01110: data file 80: '+NDMID_DATA/oracle/data/ndmid/ndmid_data_27.dbf'
ORA-00600: internal error code, arguments: [ktte_append_file_info-1], , , , ,, , 
3. (Unpublished bug 5407249) MMON trace contains the following line:
KEBM: MMON action policy violation. actnum=129; viol=0; err=600
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