That is the Oculus Rift recalibrating its tracking sensors because it just failed to do the job properly. This has been a common problem in the Oculus Rift’s controllers, as well as in the room-scale tracking sensors that the Oculus Rift comes with. It is possible to buy another sensor ...
A: The only adapter known to work with the Rift S is the included DisplayPort to mini DisplayPort adapter. The Rift S will not work with a different adapter such as a DisplayPort to HDMI. Q: What is the minimum graphics card required for the Oculus Rift S? A: Oculus recommends your PC...
The lack of Linux support for the Rift is one of the things that turned me off it (although I understand their priorities in getting Windows to work nicely). However, I am (still) under the impression that the Vive will be cross platform, at least for some of their titles....