The dropped frame of our camera causes the VI5 module to report errors frequently, which causes the SOC to restart. Under the harsh working environment of the device, frame loss is inevitable. What do we need to do to prevent the system from restarting when the unexpected dropped frame happens?

Have a check below patch if able fix your problem. [image] V4L2 timeout leads to NULL pointer dereference in kernel in jetpack 4.6 Jetson Xavier NX hello tim.cassens, please update kernel sources as below to fix NULL pointer dereference, for example, diff --git a/drive…

Why unexpected frame dropped? Have modify below in vi5_fops.c to try. Maybe try infinite time out. #define CAPTURE_TIMEOUT_MS 2500

minicom_20211218_0810.txt (256.7 KB) attached file is error log, and about below information, how can i get “more Internal Decode Help”? thanks. [ 94.315893] CPU:0, Error:RCE-NOC@0xbe00000,irq=487 [ 94.316022] ************************************** [ 94.316113] * For more Internal Decode …

Looks like the sensor output signal or output package have problem to capture validate frame data cause the driver crash. Have a check the trace log if any clue. Enable the trace. echo 1 > /sys/kernel/debug/tracing/tracing_on echo 30720 > /sys/kernel/debug/tracing/buffer_size_kb echo 1 > /sys/ker…

trace_1702.txt (11.5 MB) attached file is trace file

@ ShaneCCC what about the trace log file? Do you need more other information?

Confirm if the sensor output embedded data package to define the correct value for embedded_metadata_height in device tree.

embedded_metadata_height = “0” in our device tree file: hardware/nvidia/platform/t19x/common/kernel-dts/t19x-common-modules/tegra194-camera-ar0231-a00.dtsi actually, What we are much more concerned about is that why frame dropping causes the SOC restart, maybe VI5 driver need more optimization can…

You can try to debug the VI driver for your case. Did you modify the timeout to try?

thanks for #define CAPTURE_TIMEOUT_MS 2500 it’s for “no reply from camera processor”, when camera died or be pluged out, but about “discarding frame” has no effection. then why discarding frame causes SOC restart?

drivers/media/platform/tegra/camera/vi/capture.c the above file modification from jetpack 4.6, and has some update about rtcpu for example head file: #include <linux/tegra-camera-rtcpu.h> is there some documents about the rtcpu? thanks

Dropped frame causing SOC to restart

Robotics & Edge Computing Jetson Systems Jetson Xavier NX

ShaneCCC February 9, 2022, 1:10pm 12

Have a check below patch if able fix your problem.

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Dropped frame causing SOC to restart

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