cyrus db4 problem? "reference count went negative"

Hi all,

I have a lenny system with cyrus 2.2 running.

Its now been the second time within a few days I saw this message in the logs:

Mar 15 10:07:42 pluto cyrus/pop3s[3680]: DBERROR db4: region 1 (environment): reference count went negative

Does anybody have an idea what this might be?
How could it be fixed?


Thanks for any hint

-Marc
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* Marc Schiffbauer schrieb am 15.03.09 um 14:34 Uhr:
> Hi all,
>
> I have a lenny system with cyrus 2.2 running.
>
> Its now been the second time within a few days I saw this message in the logs:
>
> Mar 15 10:07:42 pluto cyrus/pop3s[3680]: DBERROR db4: region 1 (environment): reference count went negative
>

Now I got some of this messages:

Mar 17 04:15:38 pluto cyrus/pop3s[12405]: DBERROR db4: PANIC: fatal region error detected; run recovery
Mar 17 04:15:38 pluto cyrus/pop3s[12405]: DBERROR: critical database situation

Everything seems to work fine though..

My Problem is: I do not know *which* database file is critical!
cyrus uses several database files for different things and it does
not tell me in which datanase it had the error.

I already tried
* "cyrreconstruct" => no errors.
* "db4.2_recover" in /var/lib/cyrus => no errors
* "db4.2_verify deliver.db" in /var/lib/cyrus => no errors
* "db4.2_verify tls_sessions.db" in /var/lib/cyrus => no errors
* ctl_cyrusdb -r as user cyrus => no errors


cyrus keeps complaining about some database error a few times a day
but I cannot find a faulty database...

Please, does anybody have any idea what I am missing here?

Thanks
-Marc
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