ORA-600 , ORA-600  and ORA-600  During Operations Across Dblink
Last updated on JANUARY 09, 2018
Applies to:Oracle Net Services - Version 184.108.40.206 to 220.127.116.11 [Release 11.2 to 12.1]
Information in this document applies to any platform.
The following symptoms have been attributed to this issue:
a) Local database is 18.104.22.168 and a DBLINK to 22.214.171.124 remote database is present.
b) The following error or similar is seen in the local alert log:
ORA-00600: , , [space leak], , , , , , , , , 
Note that it seems the ORA-600  is a consequence of the ORA-600 
c) On remote node we see:
d) In the 'Incident Context' stack for the 600 error we see functions:
The symptoms (a) and (b) might differ slightly with respect to database versions and the 2nd argument of the ORA-600  error.
However, for this article to be considered applicable (c) and (d) must be true.
In the case of a dblink where a recent upgrade to either of these versions took place, the following errors might start appearing:
ORA-02050: transaction 12.113.80208 rolled back, some remote DBs may be in-doubt
ORA-03150: end-of-file on communication channel for database link
ORA-02063: preceding line from MY_LINK
These errors arose after applying latest PSU or upgrading to 126.96.36.199 at one of the databases involved in the dblink.
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