fastcgi incomplete headers issues

[blunt]

looks like it stops at /var/www/fcgi

ispcp:~# mv /test.sh /var/test.sh
ispcp:~# su -s /bin/bash - vu2000
vu2000@ispcp:~$ /var/test.sh
Hello!
vu2000@ispcp:~$ exit
logout
ispcp:~# mv /var/test.sh /var/www/test.sh
ispcp:~# su -s /bin/bash - vu2000
vu2000@ispcp:~$ /var/www/test.sh
Hello!
vu2000@ispcp:~$ exit
logout
ispcp:~# mv /var/www/test.sh /var/www/fcgi/test.sh
ispcp:~# su -s /bin/bash - vu2000
vu2000@ispcp:~$ /var/www/fcgi/test.sh
-su: /var/www/fcgi/test.sh: /bin/bash: bad interpreter: Permission denied