This error indicates that USB 2.0 may not function on your system, or may function only at USB 1.1 speeds. To fix this problem:
Replace hardware: In most cases you need to replace the motherboard.
Remove ehci_hcd driver
Disable ehci_hcd drive USB 2.0 interface and use it as USB 1.1. In short disable the ehci_hcd.
If you do not wish to replace the motherboard, to remove the ehci_hcd Driver edit the file /etc/modprobe.d/blacklist.conf and add the line :
blacklist ehci_hcd