NVIDIA正式发布JetPack5.1.2/L4T 32.4.1

JetPack 5.1.2，Jetson的最新生产版本现已上线！JetPack 5.1.2增加了对Jetson AGX Orin 工业模组的支持，并在bootloader、摄像头、security和OTA方面带来了新功能。JetPack 5.1.2包含与JetPack 5.1.1相同版本的计算堆栈，但将VPI升级为VPI 2.3。JetPack 5.1.2支持所有Jetson Xavier和Orin模块和开发工具包。

JetPack 5.1.2包括Jetson Linux 35.4.1，并具有以下亮点：

Adds support for Jetson AGX Orin Industrial module

Bootloader

  Support for Grub as OS Loader in UEFI

  Support for PXE boot 2

Camera:

  Enhanced error resiliency for improved stability in Argus

  Support for multiple camera synchronization (sample  argus_syncstereo added)

  Deskew calibration support for high data rate sensors (> 1.5  Gbps)

  Support for alternating exposures in Argus (sample  argus_userAlternatingAutoexposure added)

Multimedia:

  Deprecated Nvbuf_utils is removed. Refer to migration guide to migrate from Nvbuf_utils to NvUtils 1.

Security:

  Support for up to 3 signing keys to sign bootloader in secure boot and ability to revoke the keys

  Ability to add and revoke UEFI signing keys

  Enhanced secure boot for encrypting kernel, kernel-dtb and initrd

  Support for signing kernel modules

  Support for delegated authentication with ability to sign UEFI with platform vendor owned keys

  Support in disk encryption for encrypting only User Data Partition (UDA) and runtime enabling encryption of UDA partitions

Over The Air Updates:

  Support for Jetson Orin NX and Jetson Orin Nano in Image  based  OTA tools

安装JetPack5.1.2

您可以使用多种方式安装JetPack 5.1.2：

使用SDK Manager：在任何Jetson Orin和Xavier模块上使用SDK Manager安装JetPack 5.1.2。

SDCard镜像：如果您使用的是Jetson Orin Nano开发套件或Jetson Xavier NX开发套件，那么您可以使用JetPack 5.1.2页面中的SDCard镜像。

Flashing Scripts：从Jetson Linux 35.4.1页面下载Jetson Linux tar ball，并使用flashing scripts刷机。请参阅《Jetson Linux Developer Guide》中的“快速启动”部分。

Debian软件包：在刷完Jetson Linux之后，您可以使用apt命令安装JetPack的其余软件部分。请参阅JetPack文档：

要使用debian包从以前版本的JetPack 5升级，请参阅JetPack文档：

JetPack 5.1.2 Components

Jetson Linux 35.3.1

CUDA 11.4.19

TensorRT 8.5.2

cuDNN 8.6.0

VPI 2.3

OpenCV 4.5.4

Vulkan 1.3

Nsight Systems 2022.5

Nsight Graphics 2022.6

Nsight DLD/Compute 2022.2