This is bit of a longshot, but can you try applying https://github.com/dovecot/core/commit/63a74b9.patch and see if this helps?
Aki
On 19.09.2018 10:33, Reuben Farrelly wrote:
glibc-2.28.
There was a posting by Michael Marley on 31/08 saying he saw something similar to this problem after upgrading to 2.28 as well with 'doveadm purge'.
Reuben
On 19/09/2018 4:50 pm, Aki Tuomi wrote:
Which glibc version are you using?
Aki
On 19.09.2018 09:39, Reuben Farrelly wrote:
Hi Aki,
How did you go with this in the end? Do you need anything more from me or were you able to reproduce this?
Thanks, Reuben
On 1/09/2018 12:41 am, Reuben Farrelly wrote:
Sure:
https://www.reub.net/files/dovecot/lightning-dovecot.conf https://www.reub.net/files/dovecot/thunderstorm-dovecot.conf
Updated nightly.
Reuben
On 1/09/2018 12:26 am, Aki Tuomi wrote:
Can you provide doveconf -n?
Aki Tuomi Dovecot oy
-------- Original message -------- From: Reuben Farrelly <reuben-dovecot@reub.net> Date: 31/08/2018 17:12 (GMT+02:00) To: Aki Tuomi <aki.tuomi@dovecot.fi>, Dovecot Mailing List <dovecot@dovecot.org> Subject: Re: Dovecot User Listing Error - getpwent() failed: Invalid Argument
No. Neither of those are installed on either system.
Reuben
On 1/09/2018 12:09 am, Aki Tuomi wrote: > Could apparmor or selinux be causing this! > > > > --- > Aki Tuomi > Dovecot oy > > -------- Original message -------- > From: Reuben Farrelly <reuben-dovecot@reub.net> > Date: 31/08/2018 16:50 (GMT+02:00) > To: Dovecot Mailing List <dovecot@dovecot.org> > Subject: Dovecot User Listing Error - getpwent() failed: Invalid Argument > > Hi, > > I'm running dovecot-2.3 git and seeing on 2 of my Dovecot installations, > the following message logged quite frequently: > > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: auth-worker(7707): > Error: getpwent() failed: Invalid argument > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator: Error: > User listing returned failure > Aug 31 16:55:53 lightning.reub.net dovecot[7698]: replicator: Error: > listing users failed, can't replicate existing data > > It appears that this could be having an effect on replication, but it's > unclear because the secondary/replica doesn't see much traffic. > > Authentication is via PAM and the system is Gentoo Linux x86_64. passb > driver = pam, userdb driver = static . > > doveadm user -u '*' shows the system users listed twice like this (is > this a problem?) and then prints: > > ---- > reuben > liam > reuben > liam > <some other users> > Error: User listing returned failure > Fatal: user listing failed > ---- > > To me that doesn't look right. > > Can anyone suggest what could be causing this? I don't recall seeing > this message some time ago so I suspect it's a recent change in either > dovecot, or pam or glibc etc.. > > Thanks, > Reuben