I've been using wordpress in a dozen blogs for a long time. Never had this trouble before.
I put in the login and password. I get an error message that says that's not the right combination.
I click the link to reset the password. I go thru the two steps to reset the password.
I use the right/new login and the new password.
Wordpress accepts the combination but does not advance to the admin section of the blog at all. It just sits there.
If I adjust the URL to some internal wp- page, I get dumped back to the login page, which still doesn't work.
I'm having the problem on several blogs:
dreamhost is my hosting company.