Oracle internals, debugging and undocumented features
I am in process of applying January patch for my 11g and 10g database.There is always something that will cause a trouble…
Just found a this note explaining that Oracle posted incorrect references related to CPU patch..
Here is note .
Metalink Note:753345.1 Critical Patch Update January 2009 Known Issues for Oracle Database:
Incorrect CPU Reference
Read it before start playing with this CPU..