[Dovecot] Panic: file mail-index-sync-ext.c: line 212 (sync_ext_reorder): assertion failed: (offset < (uint16_t)-1)

[Dennis Guhl]

On Tue, Apr 27, 2010 at 11:36:41AM +0200, Sandro Tosi wrote:
> Hello,
> we are using dovecot v1.2.10 on debian stable (lenny) systems with

This is not directly a solution for your problem, but debian stabel
does not include dovecot 1.2 only 1.0. You got this doveot version 
from backports where 1.2.11 is current.

So it might be worth a shot to upgrade your dovecot to 1.2.11 and have
a look if it still fails.

Dennis