Argus cant found camera device

1335451720 · January 14, 2026, 3:31am

Hi,
I have a problem when using ov2740 sensor on Jetson Nano, the driver load successfully and i can capture frame
with v4l2 command “v4l2-ctl --stream-mmap --stream-count=1 -d /dev/video0 --set-fmt-video=width=1920,height=1080,pixelformat=RG10 --stream-to=output.yuv”, but when i try gstreamer command “gst-launch-1.0 nvarguscamerasrc sensor-id=0 ! ‘video/x-raw(memory:NVMM),width=1920, height=1080, framerate=30/1, format=NV12’ ! nvvidconv ! fpsdisplaysink text-overlay=0 name=sink_0 video-sink=fakesink sync=0 -v”, it reports an error “No camera available”.
just like this:

Setting pipeline to PAUSED …
Pipeline is live and does not need PREROLL …
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0/GstFakeSink:fakesink0: sync = false
Pipeline is PREROLLED …
Setting pipeline to PLAYING …
New clock: GstSystemClock
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:794 No cameras available
/GstPipeline:pipeline0/GstNvArgusCameraSrc:nvarguscamerasrc0.GstPad:src: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/Gstnvvconv:nvvconv0.GstPad:src: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0.GstGhostPad:sink.GstProxyPad:proxypad0: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0/GstFakeSink:fakesink0.GstPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0.GstGhostPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/Gstnvvconv:nvvconv0.GstPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
Redistribute latency…
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0/GstFakeSink:fakesink0: sync = false
Got EOS from element “pipeline0”.
Execution ended after 0:00:00.011818040
Setting pipeline to NULL …
Freeing pipeline ..

The nvargus_nvraw --lps result:

nvargus_nvraw version 1.16.0
Number of supported sensor entries 0
Entry Source Mode Uniquename Resolution FR BitDepth Mode
Index Index Index CSI Dyn Type

It seems the argus cant found ov2740 camera, but imx219 worked well on the same board. I added 2740 using 219 as a template, so did i missed something?
tegra234-camera-rbpcv2-ov2740.txt (16.3 KB)
tegra234-p3767-camera-p3768-ov2740-dual.txt (1.5 KB)

ShaneCCC · January 14, 2026, 6:29am

Dump the device tree by below command to check the context of tegra-camera-platform{}

sudo dtc -I fs -O dts -o extracted_proc.dts /sys/firmware/devicetree/base

1335451720 · January 14, 2026, 6:43am

Here is the result.
extracted_proc.txt (320.5 KB)

ShaneCCC · January 14, 2026, 6:55am

Get the daemon log to check.

sudo su
pkill nvargus-daemon
/usr/sbin/nvargus-daemon
lanuch camera APP from another console

1335451720 · January 14, 2026, 7:12am

I followed your advice and the command got stuck here without anything output:

root@nvidia-desktop:/home/nvidia# /usr/sbin/nvargus-daemon
=== NVIDIA Libargus Camera Service (0.99.33)=== Listening for connections…

ShaneCCC · January 14, 2026, 7:27am

Start the “gst-launch-1.0” command in another console to observe the log.

1335451720 · January 14, 2026, 7:47am

Here is the result:
daemon.log (6.7 KB)

ShaneCCC · January 14, 2026, 7:58am

Add the lens like imx219 do.

                lens_imx219@RBPCV2 {
                        f_number = "2.0";
                        aperture = "0.0";
                        min_focus_distance = "0.0";
                        hyper_focal = "0.0";
                        focal_length = "3.04";
                };

                modules {

                        module1 {
                                badge = "jakku_rear_RBP194";
                                position = "rear";
                                orientation = "1";
                                phandle = <0x391>;

                                drivernode0 {
                                        pcl_id = "v4l2_sensor";
                                        sysfs-device-tree = "/sys/firmware/devicetree/base/bus@0/cam_i2cmux/i2c@1/rbpcv2_imx219_c@10";
                                        phandle = <0x392>;
                                };

                                drivernode1 {
                                        pcl_id = "v4l2_lens";
                                        sysfs-device-tree = "/sys/firmware/devicetree/base/bus@0/lens_imx219@RBPCV2/";
                                        phandle = <0x393>;
                                };
                        };

1335451720 · January 14, 2026, 9:32am

I added the rbpcv node in ov2740 dts, but the problem change nothing.

nvidia@nvidia-desktop:~$ gst-launch-1.0 nvarguscamerasrc sensor-id=0 ! ‘video/x-raw(memory:NVMM),width=1920, height=1080, framerate=30/1, format=NV12’ ! nvvidconv ! fpsdisplaysink text-overlay=0 name=sink_0 video-sink=fakesink sync=0 -v
Setting pipeline to PAUSED …
Pipeline is live and does not need PREROLL …
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0/GstFakeSink:fakesink0: sync = false
Pipeline is PREROLLED …
Setting pipeline to PLAYING …
New clock: GstSystemClock
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:794 No cameras available
/GstPipeline:pipeline0/GstNvArgusCameraSrc:nvarguscamerasrc0.GstPad:src: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:src: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/Gstnvvconv:nvvconv0.GstPad:src: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0.GstGhostPad:sink.GstProxyPad:proxypad0: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0/GstFakeSink:fakesink0.GstPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0.GstGhostPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/Gstnvvconv:nvvconv0.GstPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
/GstPipeline:pipeline0/GstCapsFilter:capsfilter0.GstPad:sink: caps = video/x-raw(memory:NVMM), width=(int)1920, height=(int)1080, format=(string)NV12, framerate=(fraction)30/1
Redistribute latency…
/GstPipeline:pipeline0/GstFPSDisplaySink:sink_0/GstFakeSink:fakesink0: sync = false
Got EOS from element “pipeline0”.
Execution ended after 0:00:00.005808731
Setting pipeline to NULL …
Freeing pipeline …
extracted_proc_01.txt (321.2 KB)

ShaneCCC · January 15, 2026, 4:02am

Does the daemon log still shows below message?

(NvOdmDevice) Error NotInitialized: hDev Table not initialized (in dvs/git/dirty/git-master_linux/camera-partner/imager/src/devices/V4L2SensorViCsi.cpp, function initialize(), line 101)
NvPclDriverInitializeData: Unable to initialize driver v4l2_sensor

1335451720 · January 15, 2026, 4:27am

Yes, the daemon.log has no change too.

ShaneCCC · January 15, 2026, 8:29am

What’s the below command show.

v4l2-ctl --list-devices
v4l2-ctl --all

1335451720 · January 15, 2026, 8:47am

nvidia@nvidia-desktop:~$ v4l2-ctl --list-devices
NVIDIA Tegra Video Input Device (platform:tegra-camrtc-ca):
	/dev/media0

vi-output, ov2740 10-0010 (platform:tegra-capture-vi:1):
	/dev/video0

nvidia@nvidia-desktop:~$ v4l2-ctl --all
Driver Info:
	Driver name      : tegra-video
	Card type        : vi-output, ov2740 10-0010
	Bus info         : platform:tegra-capture-vi:1
	Driver version   : 5.15.148
	Capabilities     : 0x84200001
		Video Capture
		Streaming
		Extended Pix Format
		Device Capabilities
	Device Caps      : 0x04200001
		Video Capture
		Streaming
		Extended Pix Format
Media Driver Info:
	Driver name      : tegra-camrtc-ca
	Model            : NVIDIA Tegra Video Input Device
	Serial           : 
	Bus info         : 
	Media version    : 5.15.148
	Hardware revision: 0x00000003 (3)
	Driver version   : 5.15.148
Interface Info:
	ID               : 0x0300000b
	Type             : V4L Video
Entity Info:
	ID               : 0x00000009 (9)
	Name             : vi-output, ov2740 10-0010
	Function         : V4L2 I/O
	Pad 0x0100000a   : 0: Sink
	  Link 0x0200000f: from remote pad 0x1000003 of entity '13e00000.host1x:nvcsi@15a00000-' (Unknown sub-device (0002000a)): Data, Enabled
Priority: 2
Video input : 0 (Camera 1: ok)
Format Video Capture:
	Width/Height      : 1920/1080
	Pixel Format      : 'RG10' (10-bit Bayer RGRG/GBGB)
	Field             : None
	Bytes per Line    : 3840
	Size Image        : 4147200
	Colorspace        : sRGB
	Transfer Function : Default (maps to sRGB)
	YCbCr/HSV Encoding: Default (maps to ITU-R 601)
	Quantization      : Default (maps to Full Range)
	Flags             : 
Streaming Parameters Video Capture:
	Capabilities     : timeperframe
	Frames per second: 60.000 (60/1)
	Read buffers     : 0

Camera Controls

                     group_hold 0x009a2003 (bool)   : default=0 value=0 flags=execute-on-write
                     hdr_enable 0x009a2004 (intmenu): min=0 max=1 default=0 value=0 (0 0x0)
				0: 0 (0x0)
				1: 1 (0x1)
                    eeprom_data 0x009a2005 (str)    : min=0 max=2048 step=2 value='00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' flags=read-only, has-payload
                       otp_data 0x009a2006 (str)    : min=0 max=1024 step=2 value='0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' flags=read-only, has-payload
                        fuse_id 0x009a2007 (str)    : min=0 max=16 step=2 value='0000000000000000' flags=read-only, has-payload
                           gain 0x009a2009 (int64)  : min=16 max=171 step=1 default=16 value=16 flags=slider
                       exposure 0x009a200a (int64)  : min=13 max=683710 step=1 default=2495 value=13 flags=slider
                     frame_rate 0x009a200b (int64)  : min=2000000 max=60000000 step=1 default=60000000 value=2000000 flags=slider
                 exposure_short 0x009a200c (int64)  : min=13 max=683709 step=1 default=2495 value=13 flags=slider
           sensor_configuration 0x009a2032 (u32)    : min=0 max=4294967295 step=1 default=0 dims=[22] flags=read-only, volatile, has-payload
         sensor_mode_i2c_packet 0x009a2033 (u32)    : min=0 max=4294967295 step=1 default=0 dims=[1026] flags=read-only, volatile, has-payload
      sensor_control_i2c_packet 0x009a2034 (u32)    : min=0 max=4294967295 step=1 default=0 dims=[1026] flags=read-only, volatile, has-payload
                    bypass_mode 0x009a2064 (intmenu): min=0 max=1 default=0 value=0 (0 0x0)
				0: 0 (0x0)
				1: 1 (0x1)
                override_enable 0x009a2065 (intmenu): min=0 max=1 default=0 value=0 (0 0x0)
				0: 0 (0x0)
				1: 1 (0x1)
                   height_align 0x009a2066 (int)    : min=1 max=16 step=1 default=1 value=1
                     size_align 0x009a2067 (intmenu): min=0 max=2 default=0 value=0 (1 0x1)
				0: 1 (0x1)
				1: 65536 (0x10000)
				2: 131072 (0x20000)
               write_isp_format 0x009a2068 (int)    : min=1 max=1 step=1 default=1 value=1
       sensor_signal_properties 0x009a2069 (u32)    : min=0 max=4294967295 step=1 default=0 dims=[30][18] flags=read-only, has-payload
        sensor_image_properties 0x009a206a (u32)    : min=0 max=4294967295 step=1 default=0 dims=[30][16] flags=read-only, has-payload
      sensor_control_properties 0x009a206b (u32)    : min=0 max=4294967295 step=1 default=0 dims=[30][36] flags=read-only, has-payload
              sensor_dv_timings 0x009a206c (u32)    : min=0 max=4294967295 step=1 default=0 dims=[30][16] flags=read-only, has-payload
               low_latency_mode 0x009a206d (bool)   : default=0 value=0
               preferred_stride 0x009a206e (int)    : min=0 max=65535 step=1 default=0 value=0
    override_capture_timeout_ms 0x009a206f (int)    : min=-1 max=2147483647 step=1 default=2500 value=2500
                   sensor_modes 0x009a2082 (int)    : min=0 max=30 step=1 default=30 value=1 flags=read-only
nvidia@nvidia-desktop:~$

ShaneCCC · January 15, 2026, 9:08am

Could you confirm the strings by below command.

cat /sys/class/video4linux/video0/name

1335451720 · January 15, 2026, 9:38am

nvidia@nvidia-desktop:~$ cat /sys/class/video4linux/video0/name 
vi-output, ov2740 10-0010
nvidia@nvidia-desktop:~$

ShaneCCC · January 16, 2026, 5:37am

Below strings are incorrect should be “/devicetree” instead of “/device-tree”.

"/sys/firmware/device-tree/base/bus@0/cam_i2cmux/i2c@1/ov2740_c@10";

1335451720 · January 16, 2026, 7:20am

Hi,
@ShaneCCC
Thank you for your help, i modify the dts with your advice, now the argus can find ov2740 and gstreamer works well.

system · January 30, 2026, 7:20am

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Argus cant found camera device

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