[Dovecot] doveadm purge -A via doveadm-proxy director fails after some users

[Timo Sirainen]

On 1.8.2012, at 22.56, Timo Sirainen wrote:

> On 1.8.2012, at 22.32, Daniel Parthey wrote:
> 
>>>>> Jun 29 15:40:31 10.129.3.249 dovecot: doveadm(user31 at domain1.example.org):
>>>>> Error: user user31 at domain1.example.org: Error reading configuration:
>>>>> net_connect_unix(/var/run/dovecot/config) failed: Permission denied
>> The change in 2.1.8 didn't fix it and still does not iterate *all* users.
>> My current workaround is to list all users, run a for-loop over the userlist
>> and flush one mailbox after another via the director.
>> 
>> Any hints how to solve this?
> 
> The error is still the same "config permission denied" shown above? I found that also from my server and added a debug patch, but it hasn't crashed yet. Could you try the attached patch and getting a gdb backtrace from the resulting core file? (Or at least the raw backtrace - getting a core file might be tricky.)

Also I wonder if this helps (at least it fixes a crash I managed to cause): http://hg.dovecot.org/dovecot-2.1/rev/476381017ec7