dovecot-lda crash after upgrade to 2.2.28

[Aki Tuomi]

> On February 28, 2017 at 4:32 PM Max Kostikov <max at kostikov.co> wrote:
> 
> 
> I just recreated configuration of Dovecot 2.2.28 and got the same error 
> but in imap service (it was there in logs too as for dovecot-lda but I 
> don't saw it at time).
> > Feb 27 20:09:41 beta dovecot: imap(postmaster at peek.ru): Panic: file 
> > mail-namespace.c: line 709 (mail_namespace_find): assertion failed: (ns 
> > != NULL)
> > Feb 27 20:09:47 beta dovecot: lda(my at domain.ru): Panic: file 
> > mail-namespace.c: line 709 (mail_namespace_find): assertion failed: (ns 
> > != NULL)
> 
> So I show you only imap backtrace below.

Can you please issue 

bt full 

in gdb and post the output here?

Aki