Hi, I`m trying out some stuff using gstreamer on AGX Xavier. The command gst-launch-1.0 filesrc location=sample_720p.mjpeg ! nvjpegdec ! nvvideoconvert ! xvimagesink creates a SIGSEGV and even corrupts a part of my screen. Full output is: Setting pipeline to PAUSED ... Pipeline is PREROLLING ... nvbuf_utils: dmabuf_fd -1 mapped entry NOT found nvbuf_utils: Can not get HW buffer from FD... Exiting... Caught SIGSEGV #0 0x0000007f984b9e28 in __GI___poll (fds=0x55be758fe0, nfds=548017041976, timeout= ) at ../sysdeps/unix/sysv/linux/poll.c:41 #1 0x0000007f985c6e08 in () at /usr/lib/aarch64-linux-gnu/libglib-2.0.so.0 #2 0x00000055be483b30 in () Spinning. Please run 'gdb gst-launch-1.0 31455' to continue debugging, Ctrl-C to quit, or Ctrl-\ to dump core. Am I doing anything wrong? It works fine without the nvvideoconvert, but I`ll need that block for a later extension of the pipeline.

Hi, Please try $ gst-launch-1.0 filesrc location=sample_720p.mjpeg ! jpegparse ! nvv4l2decoder mjpeg=1 ! nvoverlaysink sync=0

When I replace with the elements from your example, I still get SIGSEGV $ gst-launch-1.0 filesrc location=sample_720p.mjpeg ! nvv4l2decoder mjpeg=1 ! nvoverlaysink Setting pipeline to PAUSED ... Opening in BLOCKING MODE Opening in BLOCKING MODE Pipeline is PREROLLING ... Caught SIGSEGV #0 0x0000007f9d9cbe28 in __GI___poll (fds=0x558a90a8e0, nfds=548106244664, timeout= ) at ../sysdeps/unix/sysv/linux/poll.c:41 The video file is from /opt/nvidia/deepstream/deepstream-5.0/samples/streams Meanwhile Ive installed DS5.1 (32.5) but same issue. Replacing libnvtvmr.so doesnt help either.

Thanks DaneLLL! But the SIGSEGV should not happen, even when I pipe in a “random” bitstream, should it? Meanwhile I also managed to get this pipeline to work: gst-launch-1.0 filesrc location=sample_720p.mjpeg ! nvjpegdec ! nvvideoconvert ! nvegltransform ! nveglglessink while this variant SIGSEGVs again (and makes an unrelated process crash): gst-launch-1.0 filesrc location=sample_720p.mjpeg ! nvjpegdec ! nvvideoconvert ! 'video/x-raw' ! xvimagesink Are these gstreamer pipelines production quality?

Hi, You may try gst-launch-1.0 filesrc location=sample_720p.mjpeg ! nvjpegdec ! video/x-raw ! nvvideoconvert ! nvegltransform ! nveglglessink

SIGSEGV on simple gst-launch

Robotics & Edge Computing Jetson Systems Jetson AGX Xavier

DaneLLL March 3, 2021, 1:56am 3

Hi,
Please refer to
Decoding mjpeg from USB3.0 camera - #3 by DaneLLL

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SIGSEGV on simple gst-launch

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