“Opinions expressed are solely my own and do not express the views or opinions of my employer.” After applying the rollback from the Critical Patch Updates PATCH 33583921 – GI Jan 2022 Release Update 12.2.0.1.220118 at both Oracle RAC Databases 12.2.0.1 and GRID 12.2.0.1, I found the following messages on the alert log of the database: After some investigation, I found that the error “ORA-7445 [kcbm_sim_one()+1288] [SIGSEGV]” is very generic and often the argument [kcbm_sim_one()] is related to many known bugs on the Oracle database from versions 10.1 to 10.4.…
Month: April 2022
ORA-00609: could not attach to incoming connection ORA-12637: Packet receive failed
I upgraded an Oracle RAC database from 12c to 19c. After a while, I identified that some jobs were having problems running. Therefore, I investigated and found out about the new default feature on the 19c client database that requires tests if Out of Bound breaks are allowed. Thus. Follow below the steps to handle this: The first step was to check the alert.log, and the errors messages were as below: I have also checked traces to understand more about the error, and this is what looked like: From now,…