ORA-07445 [pefdwctx] After Upgrade To 11.2..0.2
Last updated on FEBRUARY 07, 2014
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
The following error are generated , when inserting into table with Text index :
ORA-07445: Exception aufgetreten: CORE Dump [pefdwctx()+63] [SIGSEGV] [ADDR:0x0] [PC:0x375527D] [SI_KERNEL(general_protection)] 
After upgrading RAC database from 22.214.171.124 to 11.2..0.2.
The Text Index was created using the following Syntax :
SQL> create index index_name on Table_name (Column_name) indextype is ctxsys.context parameters('filter ctxsys.null_filter section group text_column_section_group_name sync(on commit) memory 209715200') parallel 2;
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