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GDDR6/GDDR6X GPU Memory Temperature Reader for Linux

Reads GDDR6/GDDR6X VRAM memory temperatures from multiple supported NVIDIA GPUs found in a host Linux system. These findings are based on reverse engineering of the NVIDIA GPU Linux driver.

Prerequisites

  • Kernel boot parameter: iomem=relaxed
sudo vim /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash iomem=relaxed"
sudo update-grub
sudo reboot
  • Disabling Secure Boot

This can be done in the UEFI/BIOS configuration or using mokutil:

mokutil --disable-validation

Check state with:

$ sudo mokutil --sb
SecureBoot disabled

Dependencies

  • libpci-dev
sudo apt install libpci-dev -y

Installation (cmake)

git clone https://github.com/olealgoritme/gddr6
cd gddr6
./build_install.sh
sudo gddr6

Supported GPUs

  • RTX 4090 (AD102)
  • RTX 4080 Super (AD103)
  • RTX 4080 (AD103)
  • RTX 4070 Ti Super (AD103)
  • RTX 4070 Ti (AD104)
  • RTX 4070 Super (AD104)
  • RTX 4070 (AD104)
  • RTX 3090 Ti (GA102)
  • RTX 3090 (GA102)
  • RTX 3080 Ti (GA102)
  • RTX 3080 (GA102)
  • RTX 3080 LHR (GA102)
  • RTX 3070 (GA104)
  • RTX 3070 LHR (GA104)
  • RTX A2000 (GA106)
  • RTX A4500 (GA102)
  • RTX A5000 (GA102)
  • RTX A6000 (AD102)
  • L4 (AD104)
  • L40S (AD102)
  • A10 (GA102)