On 1.8.2012, at 9.09, Matthias Rieber wrote: > I've upgraded from dovecot 2.0 to 2.1. When I perform a header search in > a virtual folder dovecot crashes. > > Here's the stacktrace: > > http://pastebin.com/urSDDzku
Looks like fts-squat isn't currently compatible with virtual folders. I'd suggest moving to fts-lucene. But I guess this also fixes it: http://hg.dovecot.org/dovecot-2.1/rev/8d59874e02ad