[Dovecot] child <pid> (imap) killed with signal 6

[Per-Stian Vatne]

> > I'm struggling with some new problems after an update from the devel
> > tree of Fedora. Have been using dovecot since FC1 test-something, and
> > latest working was couple of updates after FC3t2 (2.91 + devel
> > updates). Tried downgrading with no luck, and can't figure out what's
> > wrong.
> 
> Downgrade your glibc to 2.3.3-60 or earlier.  Last night's rawhide
> glibc-2.3.3-62 was a disaster, and it broke my dovecot in the same way.
> But not before I spent about 1/2 hour trying to get a gdb trace which I
> could never get........

Thanks for a quick and precise reply, that was it - I actually
upgraded and not downgraded, though. I noticed the main feodra site
(but not most mirrors yet) had the glibc-2.3.3-63 version out, which
solved the problem.