cyrus authenication problems

["kutsyy@gmail.com" <kutsyy@gmail.com>]

I had some problems with authenication on my computer after update (I
am running testing).  Now authenication works fine, but cyrus
authenication doesn't work correctly.

If I am tring to test:

# testsaslauthd -u vadim -p xx
0: OK "Success."

but

# imtest -u vadim -w xx localhost
S: * OK kutsyy.com Cyrus IMAP4 v2.1.18-IPv6-Debian-2.1.18-2.0.1 server
ready
C: C01 CAPABILITY
S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS
NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND
SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES IDLE STARTTLS ANNOTATEMORE
S: C01 OK Completed
C: L01 LOGIN root {8}
S: + go ahead
C: <omitted>
S: L01 NO Login failed: generic failure
Authentication failed. generic failure
Security strength factor: 0
C: Q01 LOGOUT
Connection closed.

The log file has:

Dec 21 07:05:46 kutsyy cyrus/imapd[32257]: badlogin:
kutsyy.com[127.0.0.1] plain text root SASL(-1): generic failure:
checkpass failed

Does anyone know what may be the problem?

Thanks you,