[Dovecot] Couldn't init INBOX: Can't sync mailbox: Messages keep getting expunged

[David Jonas]

Timo Sirainen wrote:
> I finally figured out what's happening:
> 
> v1.0 writes expunges as plain "expunged" records to dovecot.index.log
> file. v1.1 treats such records as "expunge requests", while the actual
> expunging is done by writing another "expunged (ext)" record.
> 
> With v1.1 dovecot.index file isn't always required, because its contents
> can be produced by reading dovecot.index.log file, assuming that is the
> first generated log file (prev log file sequence=0 in header).
> 
> So what happens is that for some reason v1.1 doesn't read dovecot.index
> file, but reads dovecot.index.log file and ignores all expunge records.
> Maildir new/ and cur/ mtimes are all the same as in index files, so
> Dovecot doesn't bother reading the maildir.
> 
> I was able to reproduce this by deleting dovecot.index file, but not
> without deleting it. So if it exists and you still have this problem, I
> don't really know why it wouldn't have read it..
> 
> Anyway, this fixes the problem:
> http://hg.dovecot.org/dovecot-1.1/rev/b776f2b8d827
> 

Ha! I spent all afternoon making you a beautiful reproduction of the 
error. And I was nearly finished, too.

Applied the patch to rc5 and everything looks good.

Thanks!