OE4T Meeting Notes 2024‐11‐14

Video

https://youtu.be/P6rtq5mYB9Q

Attendees

5

Topics

• 36.4 Updates, 35.6 Updates, creation of styhead branch
  • All JP6 branches are now at 36.4
  • All JP5 branches are at 35.6
  • Styhead branch now created to track upstream.
• tegra-demo-distro master now defaults to building the 6.10 linux yocto kernel instead of the NVIDIA kernel.
• Fixing chip sku and Orin flashing
  • https://github.com/OE4T/meta-tegra/pull/1757 and https://github.com/OE4T/meta-tegra/issues/1668
  • Some portion likely needs backport to 35 branches, needs further investigation
• Possible backport of linux 6.6 support to scathgap
  • Kurt will prepare a PR for this. Won’t be on by default.
• NVIDIA fTPM now available in 36.4
  • See https://docs.nvidia.com/jetson/archives/r36.4/DeveloperGuide/SD/Security/FirmwareTPM.html
• miniUEFI in 36.4
  • Trimmed down version only for emmc versions (AGX series Orins). Leave out drivers which slow down boot.
  • No persistent variables
  • Unclear whether it honors the A/B boot chains
  • https://github.com/OE4T/meta-tegra/pull/1758
• libdrm changes for non weston targets
  • https://github.com/OE4T/meta-tegra/pull/1760
  • Needs testing with X to ensure there is no incompatibility
• UEFI Variable writing issues
  • Still no response from NVIDIA on https://forums.developer.nvidia.com/t/possible-uefi-memory-leak-and-partition-full/308540/31
  • Curious whether https://github.com/OE4T/meta-tegra/pull/1734 could resolve - doesn’t look like it will.
  • One idea is to propose a patch on the forum and ask for feedback rather than wait for NVIDIA to respond.
• Hash issue with swupdate master
  • Still investigating