[Dovecot] 2.0.beta4, Panic: stream doesn't support seeking backwards

[Timo Sirainen]

On ma, 2010-05-31 at 21:53 +0200, Juergen Daubert wrote:
> > Finally I've some time to look at this. Can you still reliably reproduce
> > this every time? 
> 
> Yes, even if I upload the messages into a new mbox. Done some tests
> right now, one thing I've noticed is that the crash only happens if 
> I try to copy more than one message at once. Looks like that the first
> message got uploaded and after that the imap process dies.

Oh, should have read this mail first before replying privately :) What
client do you do this with? Could you get a rawlog of the session that
creates the mailbox, appends new mails and crashes?
http://wiki.dovecot.org/Debugging/Rawlog