Getting ORA-600  With Freeable Chunks of "Blockers array"
(Doc ID 727024.1)
Last updated on MARCH 28, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.3 [Release 10.2]
Information in this document applies to any platform.
This problem can occur on any platform.
Getting the following ORA-600 in the alert log of RAC instances:
ORA-00600: internal error code, arguments: , , , [memory leak], , , , 
Checking the trace file for the heapdump of the pga heap, it shows many freeable allocations with "Blockers array" comment. For example:
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