Ubuntu 17.10 and oculus rift [NO HMD detected | No tracker Detected ]

Hi guys,

I get oculus since 3 days.

i used Ubuntu 17.10, i'va download the lastest SDK for linux. When i start ovrd i get the folowing message

And when i start RiftConfigUtil i get :  [NO HMD detected | No tracker Detected ]



Terminal result :

------------------------------------------------------------------

OVR::DeviceManagerThread - running (ThreadId=0x7f22e7eb1700).
OVR::DeviceManager - initialized.
CameraFactory starts
[TrackingManager] Entering tracking thread
OVR::Linux::HIDDevice - Opened '/dev/hidraw3'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
Repeated 214 IMU samples: 214000 214 0
OVR::Linux::HIDDevice - Opened '/dev/hidraw4'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
OVR::SensorDevice - Closed '/dev/hidraw4'
OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw4'
OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw4'
OVR::SensorDevice - Closed '/dev/hidraw3'
OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw3'
OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw3'
[TrackingManager] Broadcasting new HMD count = 0
OVR::Linux::HIDDevice - Opened '/dev/hidraw3'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
Repeated 2 IMU samples: 2000 2 0
OVR::Linux::HIDDevice - Opened '/dev/hidraw4'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
OVR::SensorDevice - Closed '/dev/hidraw4'
OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw4'
OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw4'
OVR::SensorDevice - Closed '/dev/hidraw3'
OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw3'
OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw3'

--------------------------------------------------------------------------------------------------

And when i start RiftConfigUtil i get :

------------------------------------------------------------------------------------------------

libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
[From Service] OVR::Linux::HIDDevice - Opened '/dev/hidraw3'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
[From Service] Repeated 2 IMU samples: 2000 2 0
[From Service] OVR::Linux::HIDDevice - Opened '/dev/hidraw4'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
[From Service] OVR::SensorDevice - Closed '/dev/hidraw4'
[From Service] OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw4'
[From Service] OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw4'
[From Service] OVR::SensorDevice - Closed '/dev/hidraw3'
[From Service] OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw3'
[From Service] OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw3'
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
[From Service] OVR::Linux::HIDDevice - Opened '/dev/hidraw3'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
[From Service] Repeated 214 IMU samples: 214000 214 0
[From Service] OVR::Linux::HIDDevice - Opened '/dev/hidraw4'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
[From Service] OVR::SensorDevice - Closed '/dev/hidraw4'
[From Service] OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw4'
[From Service] OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw4'
[From Service] OVR::SensorDevice - Closed '/dev/hidraw3'
[From Service] OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw3'
[From Service] OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw3'
[From Service] [TrackingManager] Broadcasting new HMD count = 0
[From Service] OVR::Linux::HIDDevice - Opened '/dev/hidraw3'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
[From Service] Repeated 2 IMU samples: 2000 2 0
[From Service] OVR::Linux::HIDDevice - Opened '/dev/hidraw4'
                    Manufacturer:'Oculus VR, Inc.'  Product:'Rift'  Serial#:'WMHD315J400TN3'
[From Service] OVR::SensorDevice - Closed '/dev/hidraw4'
[From Service] OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw4'
[From Service] OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw4'
[From Service] OVR::SensorDevice - Closed '/dev/hidraw3'
[From Service] OVR::Linux::HIDDevice - HID Device Closed '/dev/hidraw3'
[From Service] OVR::Linux::HIDDevice - HIDShutdown '/dev/hidraw3'
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
----------------------------------------------------------------------------------------------------------

do you have any idea ?

 I think this problem with [ libpng warning: iCCP: known incorrect sRGB profile ] but i don't know, how to solve this problem.