关于 ssh 的问题

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[root@redhat2 Desktop]# ssh root @redhat3          root用户可以登录
Last login: Sun Jun 26 08:30:13 2016 from redhat2.up.com
[root @redhat3 ~]# exit
logout
Connection to redhat3 closed.
[root@redhat2 Desktop]# ssh li @redhat3        普通用户登录的时候出现下面的奇怪问题
li@redhat3's password: 
Last login: Sun Jun 26 08:34:38 2016 from redhat2.up.com
Could not chdir to home directory /home/li: Permission denied    之后修改权限也不行
-bash: /home/li/.bash_profile: Permission denied    
-bash-4.1$