Corruption?

[Patrick Nelson]

Had my Cyrus server lockup... not cyrus related... but when I rebooted
the server my users could not get their mailbox contents.

The error thats listed from Evolution when trying to view the, say INBOX
is:

Error while 'Opening folder imap://<username>@<servername>/INBOX': No
such folder INBOX

Looking at the /var/log/messages I see that the user authenticated and
then I see an error like:

<date time> <server> master[<pid>]: process <imapd pid> exited, signaled
to death by 7

How can I fix this?