[Dovecot] dovecot 1.0-test69 io hangs

[Jens Laas]

(05.05.13 kl.08:41) Andrew Hucthings skrev följande till dovecot at dovecot.org:

> Hi Jens,
>
> You have to create a dovecot.rawlog directory in the user's home
> directory (or what dovecot thinks is that directory).  That way you
> limit the logging to problematic users.

Thanks.

Its seems like this is a heisenbug.
When I use rawlog the hang problem does not show itself.
(Likewise it took longer to show when I patched in some extra logging,
  so the load of the machine/connection seems to be involved.)

Ill try to think of something else...

Cheers,
Jens

>
> Regards
> Andrew
>
> On Fri, 2005-05-13 at 09:07 +0200, Jens Laas wrote:
>> I've been testing test69 with pop3 (under Linux and with mbox).
>> I began testing with a large inbox (11000 mails) and it seems the
>> communication between dovecot and the mailclient (evolution) stalls after
>> 1000-2000 messages transferred.
>>
>> I've looked in to the (non-trivial) io functionality of dovecot.
>> What I see is that io_loop_handler_run() in ioloop-poll.c does not
>> signal any more data (and eventually the whole thing timeouts).
>>
>> Evolution downloads the mailbox fine via qpopper.
>>
>> I tried turning on rawlog:
>>    mail_executable = /usr/libexec/dovecot/rawlog /usr/libexec/dovecot/pop3
>>
>> I cannot find any logfile.. I must be missing something.
>>
>> Any help or ideas ?
>>
>> Cheers,
>> Jens
>>
>> -----------------------------------------------------------------------
>>      'This mail automatically becomes portable when carried.'
>> -----------------------------------------------------------------------
>>      Jens Låås                              Email: jens.laas at data.slu.se
>>      Department of Computer Services, SLU   Phone: +46 18 67 35 15
>>      Vindbrovägen 1
>>      P.O. Box 7079
>>      S-750 07 Uppsala
>>      SWEDEN
>> -----------------------------------------------------------------------
>>
> --
> Andrew Hutchings (A-Wing)
> Linux Guru - Netserve Consultants Ltd. - www.domaincity.co.uk
> Admin - North Wales Linux User Group - www.nwlug.org.uk
> BOFH excuse 58: high pressure system failure
>

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     'This mail automatically becomes portable when carried.'
-----------------------------------------------------------------------
     Jens Låås                              Email: jens.laas at data.slu.se
     Department of Computer Services, SLU   Phone: +46 18 67 35 15
     Vindbrovägen 1
     P.O. Box 7079
     S-750 07 Uppsala
     SWEDEN 
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