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Holoscan SDK v0.4.1
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@agirault agirault released this 06 Feb 21:07
· 13 commits to main since this release
v0.4.1
dd03850

Release Notes

Changes from previous release

  • HoloPack: update to version 1.2
  • Python: throw warnings instead of exceptions if a GXF extension cannot be loaded, to unblock execution if the operator using that extension is not needed by the application.

Issues Fixed

  • NGC container: fix issue related to expired signing key preventing to call apt update
  • Source: fix issues in Dockerfile related to missing pinned dependency and expired signing key

Please see the list of known issues below for more information.

Supported Platforms

Note: This release is intended for use with the listed platforms only. NVIDIA does not provide support for this release on products other than those listed below.

Description Supported Version
Supported NVIDIA® Tegra® Linux Driver Package (L4T) NVIDIA® Holopack 1.2 -- R34.1.2
Supported Jetson Platforms Holoscan Developer Kits
Supported x86_64 Platforms Ubuntu 20.04 with Ampere GPU or above
(tested with RTX6000 and A6000)
Supported Software for Clara AGX Developer Kit with NVIDIA® RTX6000
and IGX Orin Developer Kit with NVIDIA® A6000		 NVIDIA® Driver 510.73.08
CUDA 11.6.1
TensorRT 8.2.3
GXF 2.5
AJA NTV2 SDK 16.2

Known Issues

This section supplies details about issues discovered during development and QA but not resolved in this release.

Issue Description
3878494 Inference fails after tensorrt engine file is first created using BlockMemoryPool
3762996 nvidia-peermem.ko fails to load using insmod on Holoscan devkits in dGPU mode. Install nvidia-peer-memory following the RDMA instructions in the Holoscan SDK User Guide.
3655489 Installing dGPU drivers can remove nvgpuswitch.py script from the executable search path. Explicitly including /opt/nvidia/l4t-gputools/bin in the PATH environment variable ensures this script can be found for execution.
3599303 Linux kernel is not built with security hardening flags. Future releases will include a Linux kernel built with security hardening flags.
3633688 RDMA on the NVIDIA IGX Orin Developer Kit (holoscan-devkit) is not functional. PCIe switch firmware update fixed the issue. RDMA for the Clara AGX Developer Kit is functional and unaffected by this issue.
3834424 Ultrasound segmentation application is not functional on NVIDIA IGX Orin Developer Kit (holoscan-devkit) with iGPU configuration in deployment stack
3842899 High-Speed Endoscopy application is not supported in deployment stack.
3881725 VK_ERROR_INITIALIZATION_FAILED with segmentation fault while running High-Speed Endoscopy gxf/cpp app (workaround implemented in v0.4 and fix in available in 520 drivers)
3897810 Applications not working on x86_64 systems with multiple GPUs
3936290 Cannot run exclusive display from docker container
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