[Dovecot] Understanding fcntl() error messages

Timo Sirainen tss at iki.fi
Thu Feb 22 13:37:46 UTC 2007

On Thu, 2007-02-22 at 14:32 +0200, Timo Sirainen wrote:
> On Thu, 2007-02-22 at 13:43 +1100, Dean Manners wrote:
> > Hey guys,
> > 		After many trials and tribulations I have now got some
> > fairly stable NFS clients serving dovecot-lda and pop3/imap. Over a 9 hour
> > postal/rabid stress test only saw 5 errors for the 4 servers.  Wondering if
> > anyone can shed a bit more light on what they mean exactly.  I have tried to
> > find "Resource temporarily unavailable" and "No locks available" in the src
> > to get some understanding - however it appears these messages are from a
> > lower level.
> "Resource temporarily unavailable" means it timed out while waiting for
> lock. It's logged because it normally shouldn't happen except with
> really heavy load.

Actually I think this was because of a deadlock possibility with
pop3_lock_session=yes. Fixed in CVS now.
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