tx21@ubuntu:~$ sudo service nvargus-daemon stop
[sudo] password for tx21: 
tx21@ubuntu:~$ sudo enableCamInfiniteTimeout=1 nvargus-daemon
=== NVIDIA Libargus Camera Service (0.98.3)=== Listening for connections...=== nvgstcapture-1.0[9588]: Connection established (7F8E0421D0)OFParserListModules: module list: /proc/device-tree/tegra-camera-platform/modules/module0
NvPclHwGetModuleList: WARNING: Could not map module to ISP config string
NvPclHwGetModuleList: No module data found
OFParserGetVirtualDevice: virtual device driver node not found in proc device-tree: /proc/device-tree/tegra-virtual-camera-platform/modules/module0/drivernode1
OFParserGetVirtualDevice: virtual device driver node not found in proc device-tree: /proc/device-tree/tegra-virtual-camera-platform/modules/module1/drivernode0
---- imager: No override file found. ----
(NvCamV4l2) Error ModuleNotPresent: V4L2Device not available (in /dvs/git/dirty/git-master_linux/camera/utils/nvcamv4l2/v4l2_device.cpp, function findDevice(), line 256)
(NvCamV4l2) Error ModuleNotPresent:  (propagating from /dvs/git/dirty/git-master_linux/camera/utils/nvcamv4l2/v4l2_device.cpp, function initialize(), line 60)
(NvOdmDevice) Error ModuleNotPresent:  (propagating from dvs/git/dirty/git-master_linux/camera-partner/imager/src/devices/V4L2SensorViCsi.cpp, function initialize(), line 107)
NvPclDriverInitializeData: Unable to initialize driver v4l2_sensor
NvPclInitializeDrivers: error: Failed to init camera sub module v4l2_sensor
NvPclStartPlatformDrivers: Failed to start module drivers
NvPclStateControllerOpen: Failed ImagerGUID 0. (error 0xA000E)
NvPclOpen: PCL Open Failed. Error: 0xf
SCF: Error BadParameter: Sensor could not be opened. (in src/services/capture/CaptureServiceDeviceSensor.cpp, function getSourceFromGuid(), line 593)
SCF: Error BadParameter:  (propagating from src/services/capture/CaptureService.cpp, function addSourceByGuid(), line 437)
SCF: Error BadParameter:  (propagating from src/api/CameraDriver.cpp, function addSourceByIndex(), line 305)
SCF: Error BadParameter:  (propagating from src/api/CameraDriver.cpp, function getSource(), line 471)
Acquiring SCF Camera device source via index 0 has failed. === nvgstcapture-1.0[9588]: CameraProvider initialized (0x7f888cfe10)