[Dovecot] fstat() errors on /srv/mail/<username>/dovecot.index.log

[Noel Butler]

On 17/10/2013 00:08, Zach La Celle wrote:
> Dovecot version 2.1.7
> Ubuntu 12.04.3 LTS
> Kernel 3.2.0-35-generic x86_64
> 
> I'm not sure exactly when this started occurring, but sporatically 
> users
> report issues receiving email, having email saved to "Sent," etc.
> Looking in dovecot.log, I see the following errors:
> 
> 2013-10-16 09:53:20 imap-login: Info: Login: user=<user1>, 
> method=PLAIN,
> rip=127.0.0.1, lip=127.0.0.1, mpid=27434, secured,
> session=<PnoiBtzoBgB/AAAB>
> 2013-10-16 09:53:20 imap(user1): Info: Disconnected: Logged out in=93
> out=846
> 2013-10-16 09:53:21 imap(user2): Info: Disconnected: Logged out in=3616
> out=495
> 2013-10-16 09:53:24 imap-login: Info: Login: user=<user3>, 
> method=PLAIN,
> rip=127.0.0.1, lip=127.0.0.1, mpid=27436, secured,
> session=<jE5kBtzoBwB/AAAB>
> 2013-10-16 09:53:24 imap(user3): Info: Disconnected: Logged out in=93
> out=819
> 2013-10-16 09:53:33 imap(user4): Error: fstat() failed with file
> /srv/mail/user4/dovecot.index.log: No such file or directory
> 2013-10-16 09:53:33 imap(user4): Error: fstat() failed with file
> /srv/mail/user4/dovecot.index.log: No such file or directory
> 2013-10-16 09:53:33 imap(user4): Error: fstat() failed with file
> /srv/mail/user4/dovecot.index.log: No such file or directory
> 2013-10-16 09:53:33 imap(user4): Error: fstat() failed with file
> /srv/mail/user4/dovecot.index.log: No such file or directory
> 2013-10-16 09:53:33 imap(user4): Error: fstat() failed with file
> /srv/mail/user4/dovecot.index.log: No such file or directory
> 2013-10-16 09:53:33 imap(user4): Error: fstat() failed with file
> /srv/mail/user4/dovecot.index.log: No such file or directory
> 2013-10-16 09:53:41 imap-login: Info: Login: user=<user3>, 
> method=PLAIN,
> rip=127.0.0.1, lip=127.0.0.1, mpid=27438, secured,
> session=<UDJlB9zoCAB/AAAB>
> 2013-10-16 09:53:41 imap(user3): Info: Disconnected: Logged out in=93
> out=819
> 2013-10-16 09:54:12 imap-login: Info: Login: user=<user1>, 
> method=PLAIN,
> rip=127.0.0.1, lip=127.0.0.1, mpid=27440, secured,
> session=<6bI5CdzoCQB/AAAB>
> 2013-10-16 09:54:12 imap(user1): Info: Disconnected: Logged out in=93
> out=846
> 2013-10-16 09:54:12 imap(user5): Info: Disconnected: Logged out in=736
> out=7064
> 2013-10-16 09:54:15 imap-login: Info: Login: user=<user6>, 
> method=PLAIN,
> rip=127.0.0.1, lip=127.0.0.1, mpid=27442, secured,
> session=<t+FnCdzoCgB/AAAB>
> 2013-10-16 09:54:15 imap(user6): Info: Disconnected: Logged out in=95
> out=902
> 2013-10-16 09:54:20 imap-login: Info: Login: user=<user1>, 
> method=PLAIN,
> rip=127.0.0.1, lip=127.0.0.1, mpid=27444, secured,
> session=<c/q1CdzoCwB/AAAB>
> 2013-10-16 09:54:20 imap(user1): Info: Disconnected: Logged out in=93
> out=846
> 2013-10-16 09:54:24 imap-login: Info: Login: user=<user3>, 
> method=PLAIN,
> rip=127.0.0.1, lip=127.0.0.1, mpid=27446, secured,
> session=<nOb3CdzoDAB/AAAB>
> 2013-10-16 09:54:24 imap(user3): Info: Disconnected: Logged out in=93
> out=819
> 
> These errors are not confined to a single user, and do not occur with
> the same frequency.
> 


This isnt per chance on a NAS/SAN/DAS is it?

> I originally was running the Dovecot shipped with the default Ubuntu
> repositories (don't remember which version, but it was 1.*) and used a
> backport to upgrade to 2.1.7 to see if that fixed it.  It did not.
> 
> Any ideas why this is happening?

gawd knows what debian (thats all ubuntu is, same package maintainers 
99% of time) do to things, wouldnt be the first time they put out a 
package that was kaput from get go, so doveconf -n  output will likely 
be required