Password on ELDK nfs booting

Hi?
I booted on nfs mounted ELDK.
I changed root password, rebooted and enter the password.
But the password did not entered.
I got Login timed out message after 60 second.
How can I be loged in?
The following is the error message.

eva login: root
Password: Login timed out after 60 seconds
tts/0: 1 input overrun(s)
d

Thank you in advance.
- Sangmoon Kim -

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