Upgrading process stopped at 36 %. There are no errors yet. Its been 24hrs its still going on . Please let me know What could be the problem here.

I installed 9i on different Oracle Home. After logging to Oracal Os user, I changed my Oracle Home to 9i Oracle home and started the dbua.
It ran 36%, stil at upgrading database. It do not move forward. Please help me solve this issue.

Thanks