ORA-600 [kttbsz_1] / ORA-600  Errors After Instance Startup
(Doc ID 550448.1)
Last updated on MARCH 28, 2019
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 to 10.1.0.5 [Release 9.2 to 10.1]
Information in this document applies to any platform.
This problem can occur on any platform.
You encounter ORA-600 [kttbsz_1] and/or ORA-600  errors after startup on queries which have previously worked without error.
Checking the alert log you notice that an ORA-600 [ktsitbs_info1] error was raised during the instance startup after performing a space layer transaction, such as backing up the control file, however the instance startup completed and the database is accessible to users.
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