ORA-600 [spstp: ORACLE_HOME uid does not match euid] When Changing Permissions On $ORACLE_HOME/bin/oracle
(Doc ID 747456.1)
Last updated on MARCH 01, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
When trying to connect AS SYSDBA with Sqlplus on a Unix style system an ORA-12547 "TNS:lost contact" is signalled and a trace file is generated which contains an internal error as follows:
ORA-00600: internal error code, arguments: [spstp: ORACLE_HOME uid does not match euid], [xxxx], [yyyy], , , , , , , , , 
----- SQL Statement (None) -----
Current SQL information unavailable - no SGA.
Where xxxx (uid) is not equal to yyyy (euid), the call stack module is : spstp() .
The permission (chmod) settings on the oracle executable were changed.
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