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90-oculus.rules might have broken 90-hydra.rules

Hi,

so I tried out Oculus dk2 in Gazebo, it worked, nice job! However, now I cannot connect my Razer Hydra device:

[Err] [Plugin.hh:153] Failed to load plugin libHydraPlugin.so: libHydraPlugin.so: cannot open shared object file: No such file or directory

I tried all my USB ports, reloaded the rules, restarted pc, removed all the rules and only added the hydra one, still no change.

I had this error before, and then I only managed to get it to work after I re-installed Ubuntu. I would like to avoid that this time :)

I looked over these rules, and is it normal that both use the same SUBSYSTEM name?

90-oculus.rules :
# Oculus HID Sensor naming and permissioning
KERNEL=="hidraw*", SUBSYSTEM=="hidraw", ATTRS{idVendor}=="2833", MODE="0666"

90-hydra.rules:
ATTRS{idProduct}=="0300",ATTRS{idVendor}=="1532",ATTR{bInterfaceNumber}=="00",TAG="hydra-tracker"
SUBSYSTEM=="hidraw",TAGS=="hydra-tracker", MODE="0666", SYMLINK+="hydra"

I am using 14.04 and Gazebo from default.

Cheers, Andrei