strange behavior in login page

[AlessioD]

When I try to login to admin page it reload and not appears any message, I can login with ssh with root password but with the same password from login page of plesk 9.3 I dont can access and not see error messages or others , seems that the not send form login ... maybe javascript errors?

 

[AlessioD]

I solved, the problem is that I edited /usr/local/psa/admin/conf/php.ini but now work