Error message: 'ERROR: cannot mark block 0 of [] blind' - Mailing list pgsql-admin

From Francis Solomon
Subject Error message: 'ERROR: cannot mark block 0 of [] blind'
Date
Msg-id NEBBIFFPELJMCJAODNPKMEOKCCAA.francis@stellison.co.uk
Whole thread Raw
List pgsql-admin
Hi all,

Does anyone know what this error means or whether I should be concerned
about it?

'ERROR:  cannot mark block 0 of  [] blind'

It occurred while performing a simple query through the ODBC driver.
The query was:
SELECT keyword FROM modkeyword WHERE mfrname='DEDE' AND model='VM7451'

The definition of modkeyword is:
         Table "modkeyword"
 Attribute |    Type     | Modifier
-----------+-------------+----------
 mfrname   | varchar(8)  |
 model     | varchar(25) |
 keyword   | text        |
Index: modkeyword_pkey

There are about 3000 records in this table.

I checked the table through psql - nothing seemed amiss, but the error
was reproducible on a different workstation. Restarting postgres on the
server did fix the problem and there don't seem to be any ill effects -
but could anyone comment on why it happened and what it means? And,
perhaps, a means of avoiding it in the future?

System information: PostgreSQL 7.02 on Linux i686 kernel 2.2.14.

Thanks!

Francis Solomon
IT Manager
Stellison Ltd.


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