LLM/Ryzen AI 7 350/2026-07-09

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Install lemonade from PPA

sudo add-apt-repository ppa:lemonade-team/stable
sudo apt update
sudo apt install lemonade-server

Run lemonade server

sudo systemctl start lemond
sudo systemctl enable lemond

Install Backends

Open http://localhost:13305, then ...

Install llama.cpp cuda

  • Click backends at left sidebar.
  • Find Llama.cpp GPU
  • Find child item cuda
  • Click download
sudo vim /etc/gdm3/custom.conf

[daemon]
# 強制 GDM 的 Wayland 渲染走 AMD 的基底
Environment=VK_LOADER_DRIVERS_SELECT=*radeon*
Environment=MESA_VK_DEVICE_SELECT=pci-0000_66_00_0

sudo vim /etc/default/grub

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nvidia-drm.modeset=0"

sudo update-grub

Install Fastflow

  • Click backends at left sidebar.
  • Find FastFlowLM NPU
  • Find child item npu
  • Click download
  • Install XDNA driver
sudo apt install amdxdna-dkms
sudo reboot

cd 下載
sudo apt install ./fastflowlm_0.9.44_ubuntu26.04_amd64.deb
flm --version
flm validate

Memlock limit is too low (8MB). Please ...

Fix memory limit problem

sudo nano /etc/security/limits.conf

Add before `# End of file` 

* soft memlock unlimited
* hard memlock unlimited

sudo reboot

ulimit -l
flm validate
sudo systemctl edit lemond

[Service]
# Enable NPU
Environment="LEMONADE_ENABLE_NPU=true"
# Prevent from model unloaded
Environment="LEMONADE_MODEL_TTL=0"

sudo systemctl daemon-reload
sudo systemctl restart lemond

Optimize Lemonade config

sudo vim /var/lib/lemonade/.cache/lemonade/config.json
  • host: 0.0.0.0
  • max_loaded_models: -1
sudo systemctl daemon-reload
sudo systemctl restart lemond

Debug

sudo journalctl -u lemond.service -n 50 --no-pager
sudo journalctl -u lemond -f -n 100
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