Your system information

• Steam client version (build number or date):
• Distribution (e.g. Ubuntu): Archlinux
• Graphics driver version (run nvidia-settings): radv git but shouldn't matter
• Gist for SteamVR System Information: steamvrsystemreport.txt
• Opted into Steam client beta?: Yes
• Opted into SteamVR beta?: Yes

The camera has worked in the past but currently it seems to not work at all.

With guvcview run as my user it works without problems, but SteamVR doesn't like it:

In the vrserver log you can see this:

Sat Mar 10 2018 14:03:44.674992 - lighthouse: TrackedCamera: OpenCamera()
Sat Mar 10 2018 14:03:44.675009 - lighthouse: TrackedCamera: Expecting drivers at '/home/chris/.local/share/Steam/SteamApps/common/SteamVR/drivers/lighthouse/bin/linux64'
Sat Mar 10 2018 14:03:44.675091 - lighthouse: TrackedCamera: Failed to find camera at USB VID:0BB4, USB PID:030C
Sat Mar 10 2018 14:03:44.675128 - lighthouse: TrackedCamera: Found Camera at USB VID:0BB4, USB PID:2C87
Sat Mar 10 2018 14:03:44.675987 - lighthouse: Attempting HID Open IMU: LHR-FE5281CF
Sat Mar 10 2018 14:03:44.676048 - lighthouse: Lighthouse IMU HID opened
Sat Mar 10 2018 14:03:44.690062 - lighthouse: TrackedCamera: Failed to get firmware version.
Sat Mar 10 2018 14:03:44.690078 - lighthouse: InitTrackedCamera(): Failed to open expected camera on (LHR-FE5281CF). Camera services not available.
Sat Mar 10 2018 14:03:44.690083 - lighthouse: TrackedCamera: Stopping Video Stream For Camera Shutdown.
Sat Mar 10 2018 14:03:44.705265 - lighthouse: TrackedCamera: CloseCamera()