corrupted rows in pg_attribute deleted

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| Postgres Version 9.0.2 |
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After a Kernel Panic in Debian 5, we found corrupted rows in pg_attribute
about 2 tables.

I deleted the rows and updated the pg_class.relnatts with the result of:

SELECT count(*) FROM pg_attribute WHERE attnum > 0 AND attrelid = 167017 --
Returned 22 rows.
where 167017 is the one of the tables OID.

Now I got the following messages:

1 - When PgAdmin III list the table structure for the first time:

ERROR: invalid attribute number 23 for fase_laudo_apac
LINE 1: Select count(*) as rows from only fase_laudo_apac

2- When I tried to drop the fase_laudo_apac table:

An error has occourred:

ERROR: cache lookup failed for attribute 3 of relation 167045

Any help will be really appreciated

-----
Marcos Oliveira

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