Help Please Issues Running Demo on Pi

Trying to run the demorpicam-hello -t 0 --post-process-file /usr/share/rpi-camera-assets/hailo_yolov6_inference.json

and getting the below error. Any idea what could be causing it?

rpicam-hello -t 0 --post-process-file /usr/share/rpi-camera-assets/hailo_yolov6_inference.json
[0:03:37.398834253] [2088] INFO Camera camera_manager.cpp:326 libcamera v0.5.1+100-e53bdf1f
[0:03:37.414422001] [2091] INFO RPI pisp.cpp:720 libpisp version v1.2.1 981977ff21f3 29-04-2025 (14:13:50)
[0:03:37.415824624] [2091] WARN CameraSensorProperties camera_sensor_properties.cpp:473 No static properties available for ‘imx708_wide’
[0:03:37.415859056] [2091] WARN CameraSensorProperties camera_sensor_properties.cpp:475 Please consider updating the camera sensor properties database
[0:03:37.430003582] [2091] WARN CameraSensor camera_sensor_legacy.cpp:501 ‘imx708_wide’: No sensor delays found in static properties. Assuming unverified defaults.
[0:03:37.430624047] [2091] INFO RPI pisp.cpp:1179 Registered camera /base/axi/pcie@1000120000/rp1/i2c@88000/imx708@1a to CFE device /dev/media2 and ISP device /dev/media0 using PiSP variant BCM2712_C0
[0:03:37.430691595] [2091] INFO RPI pisp.cpp:720 libpisp version v1.2.1 981977ff21f3 29-04-2025 (14:13:50)
[0:03:37.431828770] [2091] WARN CameraSensorProperties camera_sensor_properties.cpp:473 No static properties available for ‘imx708_wide’
[0:03:37.431860182] [2091] WARN CameraSensorProperties camera_sensor_properties.cpp:475 Please consider updating the camera sensor properties database
[0:03:37.444422613] [2091] WARN CameraSensor camera_sensor_legacy.cpp:501 ‘imx708_wide’: No sensor delays found in static properties. Assuming unverified defaults.
[0:03:37.445223551] [2091] INFO RPI pisp.cpp:1179 Registered camera /base/axi/pcie@1000120000/rp1/i2c@80000/imx708@1a to CFE device /dev/media3 and ISP device /dev/media1 using PiSP variant BCM2712_C0
Made X/EGL preview window
Postprocessing requested lores: 640x640 BGR888
Reading post processing stage “hailo_yolo_inference”
Reading post processing stage “object_detect_draw_cv”
Mode selection for 2304:1296:12:P
SRGGB10_CSI2P,1536x864/0 - Score: 3400
SRGGB10_CSI2P,2304x1296/0 - Score: 1000
SRGGB10_CSI2P,4608x2592/0 - Score: 1900
Stream configuration adjusted
[0:03:37.565527193] [2088] INFO Camera camera.cpp:1205 configuring streams: (0) 2304x1296-YUV420/sYCC (1) 640x640-BGR888/sRGB (2) 2304x1296-BGGR_PISP_COMP1/RAW
[0:03:37.565749671] [2091] INFO RPI pisp.cpp:1483 Sensor: /base/axi/pcie@1000120000/rp1/i2c@88000/imx708@1a - Selected sensor format: 2304x1296-SBGGR10_1X10 - Selected CFE format: 2304x1296-PC1B
[0:03:37.729472340] [2091] ERROR V4L2 v4l2_videodevice.cpp:2016 /dev/video12[17:cap]: Failed to queue buffer 0: Input/output error
[0:03:37.729516106] [2091] ERROR RPISTREAM rpi_stream.cpp:276 Failed to queue buffer for CFE Image
ERROR: Device timeout detected, attempting a restart!!!
[0:03:37.741188622] [2091] ERROR V4L2 v4l2_videodevice.cpp:2016 /dev/video12[17:cap]: Failed to queue buffer 1: Input/output error
[0:03:37.741260059] [2091] ERROR RPISTREAM rpi_stream.cpp:276 Failed to queue buffer for CFE Image
[0:03:37.752046810] [2091] ERROR V4L2 v4l2_videodevice.cpp:2016 /dev/video12[17:cap]: Failed to queue buffer 2: Input/output error
[0:03:37.752120877] [2091] ERROR RPISTREAM rpi_stream.cpp:276 Failed to queue buffer for CFE Image
[0:03:37.763768575] [2091] ERROR V4L2 v4l2_videodevice.cpp:2016 /dev/video12[17:cap]: Failed to queue buffer 3: Input/output error
[0:03:37.763808951] [2091] ERROR RPISTREAM rpi_stream.cpp:276 Failed to queue buffer for CFE Image
[0:03:37.763848420] [2091] FATAL default v4l2_videodevice.cpp:2104 /dev/video12[17:cap]: assertion “cache_->isEmpty()” failed in streamOff()
Backtrace not available
Aborted

Hardware:
Raspberry Pi5 8GB
AI Hat+ 26TOPS
Raspberry Pi Camera Module 3 (Wide)

Running remotely via VNC on Windows PC

Note: It did work once, then trying further demo scripts (which failed) it started failing every time…

Cheers,
AL

Here’s a more natural, human rewrite:

Hey @Al_Long,

Welcome to the Hailo Community!

It looks like your /dev/video12 camera isn’t processing the input correctly. This is most likely either a hardware issue or the camera isn’t connected properly.

Could you try running just the camera by itself first? If that works fine, I’d suggest giving our demo a shot: GitHub - hailo-ai/hailo-rpi5-examples

Let me know how it goes!