My goal is to use IMX519 for Computer Vision. However, suddenly the camera can’t be opened. Only a reboot fix the problem. However, I want to fix this issue without rebooting.
UPDATE: The problem is that when there is a crash, camera.close() is not invoked. Is there a way to fix this?
The code: GitHub - ArduCAM/Jetson_IMX519_Focus_Example
Error
werate-01@werate-01:~/Jetson_IMX519_Focus_Example$ python3 AutofocusTest.py -i 8
nvbuf_utils: Could not get EGL display connection
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:751 Failed to create CaptureSession
[ WARN:0] global /home/nvidia/host/build_opencv/nv_opencv/modules/videoio/src/cap_gstreamer.cpp (933) open OpenCV | GStreamer warning: Cannot query video position: status=0, value=-1, duration=-1
Error: Write failed
Error: Write failed
Error: Write failed
Traceback (most recent call last):
File "AutofocusTest.py", line 44, in <module>
cv2.imshow("Test", frame)
cv2.error: OpenCV(4.1.1) /home/nvidia/host/build_opencv/nv_opencv/modules/highgui/src/window.cpp:352: error: (-215:Assertion failed) size.width>0 && size.height>0 in function 'imshow'
terminate called without an active exception
Aborted (core dumped)
dmesg | grep -E “imx519”
0.212512] DTS File Name: /var/jenkins_home/workspace/rnel_l4t-32.7.1-imx519-low-speed/kernel/kernel-4.9/arch/arm64/boot/dts/../../../../../../hardware/nvidia/platform/t210/porg/kernel-dts/tegra210-p3448-0000-p3449-0000-b00.dts
[ 0.420753] DTS File Name: /var/jenkins_home/workspace/rnel_l4t-32.7.1-imx519-low-speed/kernel/kernel-4.9/arch/arm64/boot/dts/../../../../../../hardware/nvidia/platform/t210/porg/kernel-dts/tegra210-p3448-0000-p3449-0000-b00.dts
[ 1.337198] imx519 7-001a: tegracam sensor driver:imx519_v2.0.6
[ 1.637565] imx519 7-001a: imx519_board_setup: error during i2c read probe (-121)
[ 1.645160] imx519 7-001a: board setup failed
[ 1.649823] imx519: probe of 7-001a failed with error -121
[ 1.650218] imx519 8-001a: tegracam sensor driver:imx519_v2.0.6
[ 2.097804] vi 54080000.vi: subdev imx519 8-001a bound