I'm see ORA-1594 and ORA-1595 errors ON A 9.0.1.3 database. There are no accompanying ORA-601 or ORA=604 errors. The database is using automatic undo management. Here is the trace file
- 2002-07-13 02:49:08.842
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 03:30:07.831
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 04:26:28.403
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 05:22:48.969
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 06:19:09.530
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 07:15:30.111
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 08:11:50.684
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 09:08:11.262
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 10:04:31.833
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 11:00:52.426
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 11:57:12.998
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 12:53:33.582
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 13:49:54.157
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 14:46:14.739
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 15:32:20.928
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 16:28:41.504
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 17:25:02.089
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 18:21:22.666
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 19:17:43.236
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 20:14:03.810
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
- 2002-07-13 21:05:17.171
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
***
SMON: following errors trapped and ignored:
ORA-01595: error freeing extent (2) of rollback segment (8))
ORA-01594: attempt to wrap into rollback segment (8) extent (2) which is being freed
Why the errors began, occurred every 56 minutes or so then stopped I have no idea. The database has almost no activity, but will eventually be used to store metrics from an 8-way Klystron array and other equipment being tested for the proposed Next Linear Collider. The errors stopped when a hot backup was commenced at 2002-07-13 22:03:24. But that is probably coincidental.
Anyway as smon is ignoring these errors can I do so as well. If so, I thought 9.0.1.3 was supposed to stop such things. At least I get that feeling from reading some of the articles on Metalink. I cannot however read document 210980.995 which is scored at 100 for this problem. Can anyone else?
Ian MacGregor
Stanford Linear Accelerator Center
ian_at_SLAC.Stanford.edu
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Author: MacGregor, Ian A.
INET: ian_at_SLAC.Stanford.EDU
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Received on Mon Jul 15 2002 - 16:39:26 CDT
