[Dovecot] imap signal 6 crash with backtrace (1.2rc5)

[Timo Sirainen]

On Sat, 2009-06-20 at 22:02 +0200, Ralf Hildebrandt wrote:
> * Timo Sirainen <tss at iki.fi>:
> > On Jun 20, 2009, at 9:27 AM, Ralf Hildebrandt wrote:
> >
> >> Jun 20 15:00:13 postamt dovecot: IMAP(virus-al):
> >> /home/v/i/virus-al/Maildir/dovecot-uidlist: next_uid was lowered (70 -> 
> >> 2)
> >
> > Any idea why this happened? next_uid really shouldn't get lowered. Did  
> > something e.g. restore an older dovecot-uidlist to the Maildir?
> 
> virus-al is a mailbox that holds quarantined spam. I'm the only person
> accessing it AND when this happened, I was (as usual) the only person
> looking at the mailbox. I logged in using mutt from localhost via IMAP.
> 
> I checked: there are no scripts that (for example) delete files from
> the maildir

Is it possible that the entire virus-al mailbox gets deleted and
recreated (while the mailbox is open)? Do you have any "UIDVALIDITY
changed" lines in logs? Wonder if these would do something:

http://hg.dovecot.org/dovecot-1.2/rev/51aee73e49a5
http://hg.dovecot.org/dovecot-1.2/rev/5a4875e92829
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