# \#samples **URL:** https://forums.developer.nvidia.com/tag/samples/190.md [Latest](https://forums.developer.nvidia.com/latest.md) · [Categories](https://forums.developer.nvidia.com/categories.md) · [Tags](https://forums.developer.nvidia.com/tags.md) --- ## [CloudXR.js + UE5.5 - cannot make it work](https://forums.developer.nvidia.com/t/cloudxr-js-ue5-5-cannot-make-it-work/364311)
**Author:** [@Ice18-Studios](https://forums.developer.nvidia.com/u/Ice18-Studios)\ **Replies:** 6\ **Last updated:** [April 21, 2026, 9:57pm UTC](https://forums.developer.nvidia.com/t/cloudxr-js-ue5-5-cannot-make-it-work/364311 "2026-04-21T21:57:10Z")
Hello, I’m following the Unreal Engine Integration Guide, but cannot make it work, so I have multiple questions. First, I just want to say I’ve successfully build the LOVR sample, and was able to connect to it both fro… --- ## [\[Error\] \[omni.syntheticdata.scripts.extension\] SyntheticData extension needs at least a stageFrameHistoryCount of 3](https://forums.developer.nvidia.com/t/error-omni-syntheticdata-scripts-extension-syntheticdata-extension-needs-at-least-a-stageframehistorycount-of-3/310676)
**Author:** [@s203880](https://forums.developer.nvidia.com/u/s203880)\ **Replies:** 4\ **Last updated:** [January 13, 2026, 5:06pm UTC](https://forums.developer.nvidia.com/t/error-omni-syntheticdata-scripts-extension-syntheticdata-extension-needs-at-least-a-stageframehistorycount-of-3/310676 "2026-01-13T17:06:34Z")
Hi, I am a student and rather new to the omniverse environment and hence have issues with setting up my desired micro service in the kit app. I intend for it to be a headless application being able to render images. I … --- ## [Failed to get queue mapping ctx](https://forums.developer.nvidia.com/t/failed-to-get-queue-mapping-ctx/353679)
**Author:** [@k.kogdenko](https://forums.developer.nvidia.com/u/k.kogdenko)\ **Replies:** 0\ **Last updated:** [December 5, 2025, 2:13pm UTC](https://forums.developer.nvidia.com/t/failed-to-get-queue-mapping-ctx/353679 "2025-12-05T14:13:54Z")
Hello, I’am attempting to run the DOCA doca\_flow\_port\_fwd sample on two vf representators, but I am running into an error. Thank you for your help, Full log: ./samples/doca\_flow/flow\_port\_fwd/build/doca\_flow\_port\_fwd… --- ## [Fix for enabling and starting GDM after disabling it for the nvsipl\_camera sample](https://forums.developer.nvidia.com/t/fix-for-enabling-and-starting-gdm-after-disabling-it-for-the-nvsipl-camera-sample/350927)
**Author:** [@p.ramos](https://forums.developer.nvidia.com/u/p.ramos)\ **Replies:** 3\ **Last updated:** [November 18, 2025, 11:09am UTC](https://forums.developer.nvidia.com/t/fix-for-enabling-and-starting-gdm-after-disabling-it-for-the-nvsipl-camera-sample/350927 "2025-11-18T11:09:33Z")
Please provide the following info (check/uncheck the boxes after creating this topic): Software Version DRIVE OS Linux 6.0.10 DRIVE OS Linux 5.2.6 DRIVE OS Linux 5.2.6 and DriveWorks 4.0 DRIVE OS Linux 5.2.0 D… --- ## [Isaac Sim 5.0 – SimReady asset materials showing solid red even though textures exist](https://forums.developer.nvidia.com/t/isaac-sim-5-0-simready-asset-materials-showing-solid-red-even-though-textures-exist/349596)
**Author:** [@rkdfuf2wkd](https://forums.developer.nvidia.com/u/rkdfuf2wkd)\ **Replies:** 5\ **Last updated:** [November 4, 2025, 7:12am UTC](https://forums.developer.nvidia.com/t/isaac-sim-5-0-simready-asset-materials-showing-solid-red-even-though-textures-exist/349596 "2025-11-04T07:12:52Z")
I downloaded the SimReady Furniture & Misc Assets Pack from the link below, extracted it, and opened the file Assets/simready\_content/common\_assets/props/antiquelvasesmall/antiquelvasesmall.usd in Isaac Sim 5.0. Howeve… --- ## [CUDA Samples not working](https://forums.developer.nvidia.com/t/cuda-samples-not-working/306079)
**Author:** [@LeventKaanOguz](https://forums.developer.nvidia.com/u/LeventKaanOguz)\ **Replies:** 0\ **Last updated:** [September 7, 2024, 6:04pm UTC](https://forums.developer.nvidia.com/t/cuda-samples-not-working/306079 "2024-09-07T18:04:20Z")
Hello, I have installed CachyOS with its AI SDK / rEFInd option. I can run deviceQuery but not the other samples such as nbody. Below are some outputs. lshw lshw.txt (39.3 KB) nvidia-smi deviceQuery nvidia-bug… --- ## [Can not run deepstream\_test\_1.py?](https://forums.developer.nvidia.com/t/can-not-run-deepstream-test-1-py/299464)
**Author:** [@m.haydari81](https://forums.developer.nvidia.com/u/m.haydari81)\ **Replies:** 6\ **Last updated:** [August 9, 2024, 6:23am UTC](https://forums.developer.nvidia.com/t/can-not-run-deepstream-test-1-py/299464 "2024-08-09T06:23:02Z")
Please provide complete information as applicable to your setup. • Hardware Platform (Jetson / GPU) • DeepStream Version • JetPack Version (valid for Jetson only) • TensorRT Version • NVIDIA GPU Driver Version (vali… --- ## [Landmarks spread over face in TAO facial landmark sample app](https://forums.developer.nvidia.com/t/landmarks-spread-over-face-in-tao-facial-landmark-sample-app/302370)
**Author:** [@aniketrohara](https://forums.developer.nvidia.com/u/aniketrohara)\ **Replies:** 5\ **Last updated:** [August 6, 2024, 9:58am UTC](https://forums.developer.nvidia.com/t/landmarks-spread-over-face-in-tao-facial-landmark-sample-app/302370 "2024-08-06T09:58:31Z")
Hardware: Jetson AGX Orin Deesptream7.0 Jetpack 6.0 (6.0+b106 and 6.0+b87 both are installed) L4T 36.3.0 TensorRT 8.6.2 NVRM version: NVIDIA UNIX Open Kernel Module for aarch64 540.3.0 Issue : output landmarks are sprea… --- ## [Error while running sample deepstream tao pose classification app](https://forums.developer.nvidia.com/t/error-while-running-sample-deepstream-tao-pose-classification-app/291091)
**Author:** [@pulkitmishra](https://forums.developer.nvidia.com/u/pulkitmishra)\ **Replies:** 4\ **Last updated:** [April 28, 2024, 7:49am UTC](https://forums.developer.nvidia.com/t/error-while-running-sample-deepstream-tao-pose-classification-app/291091 "2024-04-28T07:49:47Z")
• Hardware Platform (Jetson / GPU) GPU • DeepStream Version 6.4 • TensorRT Version • NVIDIA GPU Driver Version (valid for GPU only) 535.154.05 • Issue Type( questions, new requirements, bugs) questions, bug • How to… --- ## [Restore state feature in NVENC samples](https://forums.developer.nvidia.com/t/restore-state-feature-in-nvenc-samples/276371)
**Author:** [@PRtom](https://forums.developer.nvidia.com/u/PRtom)\ **Replies:** 0\ **Last updated:** [December 18, 2023, 6:02am UTC](https://forums.developer.nvidia.com/t/restore-state-feature-in-nvenc-samples/276371 "2023-12-18T06:02:21Z")
Hi, We are using Video Codec SDK 12.1 for HEVC encoding. Now we are trying to adopt the new “NvEncRestoreEncoderState” function and having to struggle with it. We encode one picture 4 times with different qp settings an… --- ## [NvJpeg Encoder in CudaSamples failed with a simple picture](https://forums.developer.nvidia.com/t/nvjpeg-encoder-in-cudasamples-failed-with-a-simple-picture/271266)
**Author:** [@XH.W](https://forums.developer.nvidia.com/u/XH.W)\ **Replies:** 5\ **Last updated:** [November 28, 2023, 2:08pm UTC](https://forums.developer.nvidia.com/t/nvjpeg-encoder-in-cudasamples-failed-with-a-simple-picture/271266 "2023-11-28T14:08:11Z")
Hi,all I recently found an image that would cause nvjpegEncodeImage to fail with NVJPEG\_STATUS\_EXECUTION\_FAILED in my code. I tried to isolate the issue to the official example and found that it was still reproducible. … --- ## [I want to use "H264 NAL unit data" as Input and obtain "RGB data"](https://forums.developer.nvidia.com/t/i-want-to-use-h264-nal-unit-data-as-input-and-obtain-rgb-data/272145)
**Author:** [@fukumoto4](https://forums.developer.nvidia.com/u/fukumoto4)\ **Replies:** 22\ **Last updated:** [November 14, 2023, 2:04am UTC](https://forums.developer.nvidia.com/t/i-want-to-use-h264-nal-unit-data-as-input-and-obtain-rgb-data/272145 "2023-11-14T02:04:54Z")
Hello. I want to input “H264 NAL unit data” and obtain “RGB data”. Specifically, I would like to pass the NAL unit data of “SPS”, “PPS”, and “I frame” to Gstreamer and obtain the “RGB data” of the decoding result. The… --- ## [Text list of sampling points?](https://forums.developer.nvidia.com/t/text-list-of-sampling-points/268423)
**Author:** [@raimondas](https://forums.developer.nvidia.com/u/raimondas)\ **Replies:** 8\ **Last updated:** [October 9, 2023, 8:28pm UTC](https://forums.developer.nvidia.com/t/text-list-of-sampling-points/268423 "2023-10-09T20:28:04Z")
Is there a way to get a text list of sampling points from Nsight profile? I am looking at the Timeline View but I have to mouse over every single sampling point to see the information associated with it. I’d like to see… --- ## [Specific resolution decoding is failing with Video Codec SDK](https://forums.developer.nvidia.com/t/specific-resolution-decoding-is-failing-with-video-codec-sdk/254933)
**Author:** [@ranjith.r](https://forums.developer.nvidia.com/u/ranjith.r)\ **Replies:** 5\ **Last updated:** [May 31, 2023, 2:27pm UTC](https://forums.developer.nvidia.com/t/specific-resolution-decoding-is-failing-with-video-codec-sdk/254933 "2023-05-31T14:27:56Z")
Hi Team , In our CCTV system, we are using NVIDIA Video Codec SDK for video decoding and rendering in NVIDIA GPU. Recently we integrated a camera where a specific resolution(602\*128) is decoding is failing. During dec… --- ## [Running Multiple samples using single camera](https://forums.developer.nvidia.com/t/running-multiple-samples-using-single-camera/252166)
**Author:** [@s-s.radeshwar](https://forums.developer.nvidia.com/u/s-s.radeshwar)\ **Replies:** 2\ **Last updated:** [May 4, 2023, 6:38am UTC](https://forums.developer.nvidia.com/t/running-multiple-samples-using-single-camera/252166 "2023-05-04T06:38:44Z")
Please provide the following info (check/uncheck the boxes after creating this topic): Software Version DRIVE OS Linux 5.2.6 DRIVE OS Linux 5.2.6 and DriveWorks 4.0 DRIVE OS Linux 5.2.0 DRIVE OS Linux 5.2.0 and … --- ## [Trying to debug matrixMul example and hit an CUDBG\_ERROR\_INTERNAL(0xa) error](https://forums.developer.nvidia.com/t/trying-to-debug-matrixmul-example-and-hit-an-cudbg-error-internal-0xa-error/240043)
**Author:** [@s.gomezcullen](https://forums.developer.nvidia.com/u/s.gomezcullen)\ **Replies:** 6\ **Last updated:** [May 3, 2023, 7:50am UTC](https://forums.developer.nvidia.com/t/trying-to-debug-matrixmul-example-and-hit-an-cudbg-error-internal-0xa-error/240043 "2023-05-03T07:50:49Z")
Environment: WSL2 (Windows 10) CUDA: 12.0 NVIDIA Driver: 528.02 GPU: GeForce RTX 3080 Laptop I’m trying to test out the Nsight VSCode extension to update my work environment. I can build and run the matrixMul example … --- ## [Error on cdpLUDecomposition in NVIDIA\_CUDA-9.0\_Samples](https://forums.developer.nvidia.com/t/error-on-cdpludecomposition-in-nvidia-cuda-9-0-samples/248099)
**Author:** [@ale7SI](https://forums.developer.nvidia.com/u/ale7SI)\ **Replies:** 0\ **Last updated:** [March 30, 2023, 7:34am UTC](https://forums.developer.nvidia.com/t/error-on-cdpludecomposition-in-nvidia-cuda-9-0-samples/248099 "2023-03-30T07:34:06Z")
Hi, I’m trying to compile the NVIDIA CUDA 9.0 samples on a Jetson TX2 board. Executing “make” command from the Makefile folder I obtain this error: /usr/local/cuda-9.0/bin/nvcc -ccbin g++ -I../../common/inc -m64 -g… --- ## [Trying to debug CUDA samples and hit an CUDBG\_ERROR\_INTERNAL(0xa) error. Please help!](https://forums.developer.nvidia.com/t/trying-to-debug-cuda-samples-and-hit-an-cudbg-error-internal-0xa-error-please-help/240973)
**Author:** [@s.gomezcullen](https://forums.developer.nvidia.com/u/s.gomezcullen)\ **Replies:** 3\ **Last updated:** [January 31, 2023, 10:06am UTC](https://forums.developer.nvidia.com/t/trying-to-debug-cuda-samples-and-hit-an-cudbg-error-internal-0xa-error-please-help/240973 "2023-01-31T10:06:24Z")
Environment: WSL2 (Windows 10) CUDA: 12.0 NVIDIA Driver: 528.02 GPU: GeForce RTX 3080 Laptop I’m trying to test run CUDA-GDB on my local GPU. I have managed to set up the work environment when SSH-ing into a WSL dock… --- ## [How to use CUPTI to get metrics for the Device Attributes](https://forums.developer.nvidia.com/t/how-to-use-cupti-to-get-metrics-for-the-device-attributes/236079)
**Author:** [@soumyasen.munich](https://forums.developer.nvidia.com/u/soumyasen.munich)\ **Replies:** 2\ **Last updated:** [December 13, 2022, 2:44pm UTC](https://forums.developer.nvidia.com/t/how-to-use-cupti-to-get-metrics-for-the-device-attributes/236079 "2022-12-13T14:44:24Z")
I am able to use ncu to get the metrics related to Launch Metrics, Source Metrics and Instructions Per Opcode Metrics (found here). However I am unable to use CUPTI to get the values after modifying the METRIC\_NAME in th… --- ## [Video Codec SDK: Decoding problem](https://forums.developer.nvidia.com/t/video-codec-sdk-decoding-problem/174569)
**Author:** [@sgiraz](https://forums.developer.nvidia.com/u/sgiraz)\ **Replies:** 5\ **Last updated:** [August 2, 2022, 7:22pm UTC](https://forums.developer.nvidia.com/t/video-codec-sdk-decoding-problem/174569 "2022-08-02T19:22:55Z")
I’m trying to decode 4k, 25fps, h264 streams coming from different ip cameras (via RTSP) leveraging on NVIDIA Video Codec With the following SW/HW technical specifications: Ubuntu 18.04 LTS FFmpeg version 3.4.8-0ubunt… --- ## [Trying to compile cuda Sample Programms](https://forums.developer.nvidia.com/t/trying-to-compile-cuda-sample-programms/219879)
**Author:** [@cs21resch11004](https://forums.developer.nvidia.com/u/cs21resch11004)\ **Replies:** 4\ **Last updated:** [July 6, 2022, 12:41pm UTC](https://forums.developer.nvidia.com/t/trying-to-compile-cuda-sample-programms/219879 "2022-07-06T12:41:46Z")
I am trying to compile the cuda sample kit using clang. I know that if I can compile it using the make command, it will directly compile and I have done that too. Bu I want to compile it using clang. Is there any way to … --- ## [Libargus Sample V4L2CUDA does not run and debugging also makes problems](https://forums.developer.nvidia.com/t/libargus-sample-v4l2cuda-does-not-run-and-debugging-also-makes-problems/214668)
**Author:** [@hech10311](https://forums.developer.nvidia.com/u/hech10311)\ **Replies:** 9\ **Last updated:** [May 19, 2022, 9:53am UTC](https://forums.developer.nvidia.com/t/libargus-sample-v4l2cuda-does-not-run-and-debugging-also-makes-problems/214668 "2022-05-19T09:53:33Z")
Hi, I am using the NVIDIA Jetson nano and trying to run the following sample: Jetson Linux API Reference: v4l2cuda (CUDA format conversion) | NVIDIA Docs At the moment the following error is occurring: nvnano@nvnano-… --- ## [Jetson Nano Cuda Samples: cudaErrorUnknown](https://forums.developer.nvidia.com/t/jetson-nano-cuda-samples-cudaerrorunknown/208985)
**Author:** [@lematthias](https://forums.developer.nvidia.com/u/lematthias)\ **Replies:** 4\ **Last updated:** [March 23, 2022, 2:23am UTC](https://forums.developer.nvidia.com/t/jetson-nano-cuda-samples-cudaerrorunknown/208985 "2022-03-23T02:23:24Z")
Hi, I am encountering issues when trying to run some cuda programs on my Jetson Nano b01. These include some cuda samples as well, for example 2\_graphics/volumeRender or 2\_Graphics/simpleGL. Here is the output of volume… --- ## [Getting started with samples](https://forums.developer.nvidia.com/t/getting-started-with-samples/164569)
**Author:** [@vbrisebois](https://forums.developer.nvidia.com/u/vbrisebois)\ **Replies:** 1\ **Last updated:** [December 10, 2021, 5:54pm UTC](https://forums.developer.nvidia.com/t/getting-started-with-samples/164569 "2021-12-10T17:54:04Z")
In order to get started with samples, you will need to enable collaboration by installing a local nucleus server. Startup the Omniverse Launcher and go to the “Collaboration” tab then click the “+” to Add Local Collabor… --- ## [Where is ros\_samples folder?](https://forums.developer.nvidia.com/t/where-is-ros-samples-folder/184299)
**Author:** [@hoanggiang](https://forums.developer.nvidia.com/u/hoanggiang)\ **Replies:** 2\ **Last updated:** [July 21, 2021, 10:31am UTC](https://forums.developer.nvidia.com/t/where-is-ros-samples-folder/184299 "2021-07-21T10:31:09Z")
Hi, I am trying to connect my Isaac Sim 2021.1.1 and ROS. I follow this tutorial ROS & ROS2 Bridge — Omniverse Robotics documentation and stuck at the line “Copy the ros\_samples folder containing all sample ROS packages … --- ## [Can't build CUDA Samples V11.4 in VS 2019](https://forums.developer.nvidia.com/t/cant-build-cuda-samples-v11-4-in-vs-2019/183313)
**Author:** [@tristen.fielding](https://forums.developer.nvidia.com/u/tristen.fielding)\ **Replies:** 2\ **Last updated:** [July 13, 2021, 8:09am UTC](https://forums.developer.nvidia.com/t/cant-build-cuda-samples-v11-4-in-vs-2019/183313 "2021-07-13T08:09:10Z")
Summary: Can’t build the CUDA Samples/v11.4 using VS 2019 Of the 183 projects; only 32 builds successfully and 151 failed with error MSB3721 The command ... exited with code 1. System Specs: Windows 10 Pro 64-bit 24 C… --- ## [Example run has expired](https://forums.developer.nvidia.com/t/example-run-has-expired/180018)
**Author:** [@tj\_tsai](https://forums.developer.nvidia.com/u/tj_tsai)\ **Replies:** 1\ **Last updated:** [June 7, 2021, 10:02am UTC](https://forums.developer.nvidia.com/t/example-run-has-expired/180018 "2021-06-07T10:02:50Z")
Hi there, $ wget -O parabricks\_sample.tar.gz \\ "https://s3.amazonaws.com/parabricks.sample/parabricks\_sample.tar.gz?Expires=1613069864&Signature=WxLeyitbvR%2B0rO4MX%2B0GohDw89g%3D&AWSAccessKeyId=AKIAJGDUNN2G2ZAH3Q3A" … --- ## [Light issue in Running Isaac Sim For the First Time](https://forums.developer.nvidia.com/t/light-issue-in-running-isaac-sim-for-the-first-time/173543)
**Author:** [@frank\_hu](https://forums.developer.nvidia.com/u/frank_hu)\ **Replies:** 2\ **Last updated:** [March 30, 2021, 5:11pm UTC](https://forums.developer.nvidia.com/t/light-issue-in-running-isaac-sim-for-the-first-time/173543 "2021-03-30T17:11:36Z")
I have followed the instructions in the “RUNNING ISAAC SIM FOR THE FIRST TIME”. In the play with light section, it tries to create a new direct light and attach it to JetBot, but I found the light still can’t move with t… --- ## [Rl python samples issue of jetbot\_train.py usd\_plugin: Used expired 'Material' prim \](https://forums.developer.nvidia.com/t/rl-python-samples-issue-of-jetbot-train-py-usd-plugin-used-expired-material-prim-world-env-light-omniversekitviewportlightmesh-looks-gizmotex/166678)
**Author:** [@terryzhv83](https://forums.developer.nvidia.com/u/terryzhv83)\ **Replies:** 7\ **Last updated:** [February 26, 2021, 1:03am UTC](https://forums.developer.nvidia.com/t/rl-python-samples-issue-of-jetbot-train-py-usd-plugin-used-expired-material-prim-world-env-light-omniversekitviewportlightmesh-looks-gizmotex/166678 "2021-02-26T01:03:18Z")
I was trying to run the RL Python Sample (jebot\_train.py), and got into the following issue, the app just crashed when loading. the logs as following. 2021-01-25 02:17:22 \[33,309ms\] \[Error\] \[omni.client.plugin\] Main: … --- ## [Invalid or expired dof handle](https://forums.developer.nvidia.com/t/invalid-or-expired-dof-handle/166898)
**Author:** [@bipalium](https://forums.developer.nvidia.com/u/bipalium)\ **Replies:** 2\ **Last updated:** [January 27, 2021, 4:08pm UTC](https://forums.developer.nvidia.com/t/invalid-or-expired-dof-handle/166898 "2021-01-27T16:08:59Z")
I’m a beginner. When I ran the JetBot sample, it didn’t respond to the keyboard to move itself, and the console showed that “DcSetDofVelocityTarget: Invalid or expired dof handle”. I wonder what’s wrong with it? [Next page](https://forums.developer.nvidia.com/tag/samples/190.md?match_all_tags=true&page=1&tags%5B%5D=samples)