system hangs after "tls_start_servertls() failed"

[David Newman]

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Greetings. This is with cyrus-imapd-2.3.7 on FreeBSD 6.2-amd64.

Virtual setup all the way -- FreeBSD is on VMware Server 1.03. I'm using
virtusl domains and authenticating through MySQL per this howto:

http://www.wistful.net/wiki/Ed%27s_FreeBSD_Virtual_Mail_How-To

Periodically I get a message like  "tls_start_servertls() failed" and
then the system CPU goes to 100 percent and stays there until I restart
imapd.

Thanks in advance for clues on where to begin troubleshooting.

dn

imapd.conf:
configdirectory: /usr/local/imap
partition-default: /usr/local/imap/spool
unixhierarchysep: yes
servername: networktest.com
admins: cyrus
sieve_admins: cyrus
sievedir: /usr/local/imap/sieve
sasl_pwcheck_method: auxprop
tls_cert_file: /usr/local/imap/mail.pem
tls_key_file: /usr/local/imap/mail.key
tls_ca_file: /usr/local/imap/cacert.pem
lmtpsocket: /usr/local/imap/socket/lmtp
idlesocket: /usr/local/imap/socket/idle
notifysocket: /usr/local/imap/socket/notify

virtdomains: yes
defaultdomain: domain1.tld
allowusermoves: yes
sasl_auxprop_plugin: sql
sasl_sql_user: noneofyourbeeswax
sasl_sql_passwd: hahahawouldntyouliketoknow
sasl_sql_database: bleh
sasl_sql_hostnames: localhost
sasl_sql_select: SELECT password FROM mailbox WHERE username='%u@%r' AND
active='1'
sasl_sql_verbose: yes
sasl_sql_engine: mysql
sasl_mech_list: plain login
sasl_password_format: crypt
createonpost: yes
autocreateinboxfolders: spam
autosubscribeinboxfolders: spam
autocreate_sieve_script: /usr/local/imap/phpscript
generate_compiled_sieve_script: yes
autocreate_sieve_compiledscript: /usr/local/imap/phpscript.bc


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