On Wed, 2010-07-28 at 10:40 +0200, myleetlist at gmx.de wrote:
> I saw this BUG message in the logfile (only one time).
>
> dovecot: IMAP(xxx): FETCH for mailbox INBOX UID 4572 failed to read message
input: Input/output error
This input/output error shouldn't happen. It was caused by some
temporary NFS problem.
> dovecot: IMAP(xxx): Disconnected: BUG: Unknown internal error isp=xxx
lip=xxx rip=xxx bytes=117/341182
This should have said instead "Disconnected: Internal error occurred."
It's already been fixed in v2.0, and not worth the trouble to fix in
v1.2 anymore.