innodb添加数据文件后报错

150520  9:07:10  InnoDB: Operating system error number 13 in a file operation.
InnoDB: The error means mysqld does not have the access rights to
InnoDB: the directory.
InnoDB: File name /home/dbdata/ibdata2
InnoDB: File operation call: 'create'.
InnoDB: Cannot continue operation.





root@itsvn:/etc/mysql# ls -ld /home/dbdata
drwxr-xr-x 2 mysql mysql 4096 May 14 09:35 /home/dbdata


权限没错呀？，。。。。。