When You have installed Ubuntu 12.04 - default kernel version is V3.2.
Linux_USB30_Support require to have the Linux kernel at least V3.3.
Enter command to check version:
uname -sr
Use following to update kernel to 3.3:
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3.7-precise/linux-image-3.3.7-030307-generic_3.3.7-030307.201205211535_amd64.deb sudo dpkg -i linux-image-3.3.7-030307-generic_3.3.7-030307.201205211535_amd64.deb sudo reboot
After reboot enter command:
uname -sr
Expected is Linux 3.3.7-030307-generic