"Segmentation fault" problem

[LiuJinhui]

Every I quit the cyradm, I got error message:
Segmentation fault

mailb:/var/spool/imap# cyradm -u root 202.118.66.103 9100
Please enter your password: 
IMAP Password: 
              202.118.66.103> exit
Segmentation fault
~~~~~~~~~~~~~~~~~~~~

Who can tell me where is the problem?
Thanks a lot!

　　　　　　　　LiuJinhui
　　　　　　　　[EMAIL PROTECTED]
　　　　　　　　　　2002-04-29