Issue with PCIe of Altera SoC SX kit

Hello there, I followed "Cyclone V SocC PCI-Express Root Port Example Design" and "PCIe Root Port with MSI (updated) at http://rocketboards.org/foswiki/projects/pcierootportwithmsi. I have got the following.

Wed Nov 19 09:46:00 UTC 2014

INIT: Entering runlevel: 5

Starting OpenBSD Secure Shell server: sshd

NET: Registered protocol family 10

done.

Starting syslogd/klogd: done

Starting Lighttpd Web Server: lighttpd.

Starting blinking LED server

Stopping Bootlog daemon: bootlogd.

Poky 8.0 (Yocto Project 1.3 Reference Distro) 1.3 socfpga ttyS0

socfpga login: root

root@socfpga:~# modprobe altera_rpde

root@socfpga:~# modprobe altera_epde

root@socfpga:~# ./altera/dmaxfer

EP block fail to open

Fail to get data transfer size

Please tell me why the problem, "EP block fail to open" happened. Is it because I haven't got an end port PCIe yet or is it because of the SD Card image building issue? Many thanks.