[Dovecot] Imap segfault on login with version 2.0.8 & 2.0.11

[Timo Sirainen]

On Wed, 2011-04-06 at 18:53 -0400, Nicholas VonHollen wrote:

> I'm trying to upgrade/test our configuration files from Dovecot 1.2 to
> 2.0.11.  I used the Dovecot config convert command, created a RHEL 5
> x86_64 rpm, and tested it.  I can connect, but once I login, the IMAP
> service segfaults.  I've also reproduced this on version 2.0.8.

Try what happens when running imap directly:

/usr/lib/dovecot/imap -u user at domain

Does it still crash? If not, you could try if running it via valgrind
logs anything useful:

service imap {
  executable = /usr/bin/valgrind /usr/lib/dovecot/imap
}