Dovecot 2.2.18.2: Panic: file fs-api.c: line 756 (fs_copy): assertion failed: (src->fs == dest->fs)

[Timo Sirainen]

On 27 Oct 2015, at 14:26, Frank Mehrtens <mehrtens at decoit.de> wrote:
> 
> Hello,
> 
> a colleague found some strange messages in the logs:
> 
> Oct 27 13:08:43 mail dovecot: lmtp(mailarchiv at domain.de): Panic: file fs-api.c: line 756 (fs_copy): assertion failed: (src->fs == dest->fs)

Same mail with attachments was probably attempted to be delivered to multiple users within the same LMTP session. http://hg.dovecot.org/dovecot-2.2/rev/183576574417 should fix this.