My Oracle Support Banner

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 OCTOBER 10, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 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:

----- Error Stack Dump -----
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.


To view full details, sign in with your My Oracle Support account.

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

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.