It may be caused by the 'shadow', you may check:
/etc/passwd
/etc/shadow
make sure that the account password in these two files keep same.
>I currently have a problem entering passwords in Linux (Slackware 2.0.35).
>If I start with 'addusers' to create a new users account, it seems to
>accept the password entered, but then won't let the user log in. A check
>of the passwd file shows that an 'x' is in the place where the password
>should be.
>As well, using 'passwd name' to change a password, the entries appear to
>be accepted but when it comes to save it I get back the message "Cannot
>lock the password file; try again later".
>I wonder what is going on? Where should I look?
>
>
>---------------------------------------------------------------------------
-
>Ted Gervais Email:[EMAIL PROTECTED]
>Coldbrook, NS Canada
>1-902-679-2253
>
>
