Any trace file produced?
I would open a SR with Support.
--- Joe Smith <joe_dba@(protected):
> Has anybody ever seen this message in their alert log? This is 18.104.22.168.0 on
> Sun8 64-bit. I cloned this db from one server to a new server and recreated
> the control file. I noticed this entry in the alert log:
> *** SESSION ID:(5.1) 2006-05-23 07:52:27.372
> *** 2006-05-23 07:52:27.372
> SMON: following errors trapped and ignored:
: error occurred at recursive SQL level 1
: ORACLE data block corrupted (file # 1, block # 1874)
: data file 1: '/dba02/oradata/orcl/system01.dbf'
> *** 2006-05-23 07:57:34.668
> Everything works fine. I can shut down and startup, I ever did a full hot
> backup through RMAN.
> SMON will trap errors with corrupt blks in the system tbs? And you don't
> have to worry about them?
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