[Dovecot] Locked index file

[Kevin Cramer]

You might be correct that I didn't kill all the imap processes.  I
have the problem solved now.  However, I still haven't tried to empty
the trash folder via IMAP.  Do you expect the OpenBSD index support to
be better in 1.0?

Thanks,
Kevin

On Mon, Jun 28, 2004 at 12:48:03PM +0300, Timo Sirainen wrote:
> On Fri, 2004-06-25 at 16:57, Kevin Cramer wrote:
> > I have docevot 0.99.10.6 installed on OpenBSD 3.5 and I'm using it
> > with Squirrelmail.  I tried to empty my Trash folder and it timed out.
> > It looks like the process or thread died but the lock wasn't removed:
> > 
> > Jun 25 09:16:30 plato imap(kevin): Timeout while waiting for release of shared fcntl() lock for index file /home/kevin/Maildir/.Trash/.imap.index
> 
> When all processes holding fcntl lock have either dropped it or died by
> themselves, the lock is gone. If all the processes really have died,
> this is operating system bug.
> 
> > How can I free this lock?  I have tried stopping and re-starting
> > dovecot already but that didn't help.
> 
> Restarting Dovecot doesn't kill imap/pop3 processes that are running at
> the time. Did you check that they're all gone?
> 
> > Also, is there something I
> > should do to prevent this in the future?  The OpenBSD package sets the
> > default locking to fcntl for mbox.  I'm not sure if that is the
> > setting that also controls the locking mechanism on the index files.
> 
> It doesn't affect index files, they're always fcntl locked.
> 
> Probably not much you can do to prevent this, if this was because some
> Dovecot process got stuck.. Also 0.99.10.6 indexes still don't work too
> well with OpenBSD, so it might be related to that.
>