For the people who is having issiues with 5M long extension cables.. after trying some here in the netherlands..all cables did not work.. i ordered the active ones by cable matters,and they work perfectly..
I wish i could buy something like this on Amazon UK..i bought an extension cable but its not really useful in providing an extention from computer to HMD
everything works fine yesterday.. but today is a nightmare again.. again the sensor issiues.. i have the recomended inateck card..withe the recomended cables.. but it is back to usb 2.0 again.. oculus rift is driving me crazy with again problem after problem