OE4T Meeting Notes 2025‐09‐12 - OE4T/meta-tegra GitHub Wiki

Video

https://youtu.be/_a43Vngecuc

Discussion

Thor

  • Working to provide Thor support
  • BSP work is in progress, missing part is the flashing process. Everything not related to flashing is already done.
  • Flashing process changed again, now “Unified flashing process” unified across QNX, Drive and L4T.
  • Planning to move everything to a branch in public repos soon.
  • Use ADB. Provide in binary form, asks whether there’s a reason we need to use prebuilt, they’ve said we do.
  • Run a script on the target, chop the disk image into 10MB chunks, send that over, use scripted ADB to put into the partitions.
  • Doesn’t look like there’s anything which couldn’t be done with open source tools.
  • Flashing tools remain X86 and Linux only binaries.
  • Unified flashing scripts are python but donesn’t make use of modularity. Implement classes which aren’t real classes, lots of global variables. Instead of using classes to separate drive from L4T has a bunch of if /else logic.
  • Still need to feed everything through tegraflash scripts. Then convert that into the input needed for ADB scripts.
  • r38.2 is currently only thor, none of the orin content is supported yet. Orin support coming early next year. Planning to leave orin support in the layer in the meantime.
  • Using openrm for graphics. Some of the L4T graphics in tegra binaries recipes will have the same name but different implementation with openrm
  • Ultimately will use the same GPU driver for dGPU and iGPU Thor.
  • cudnn samples are now updated, updated tensorrt tests, cuda samples.
  • Haven’t looked into how compatible OOT drivers will be.
  • Kernel is 6.8 for the r38.2 release from Nvidia, based on canonical’s LTS kernel.
  • Still planning to support bring your own kernel.
  • Modules for AGX Thor are available now for orderin through Arrow. $3200 for module $3600 for developer kit.
  • Moved to CUDA 13 as well.
  • Won’t put in master since it’s thor only, will keep on separate branch.
  • For those doing development work for thor based systems if you need scarthgap, reach out to Matt. Don’t want to create an LTS branch for 38.2 since it’s temporary. Don’t recommend to people to ship product based on the first jetpack release supported for a given jetson platform.
  • Would like to hold off until the next LTS branch is created ideally, hopefully will align with re-unification of Orin and Thor.
  • Lots of robotic companies are asking when meta-tegra will be available for Thor
  • No MIPI interfaces on thor, testing will be limited to USB cameras only in the short term.
    • CSI over Ethernet interface has separate set of software.

Overlays support for extlinux

Kernel CI and Labgrid

Openembedded Membership Drive