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Intermittent full system freezes observed on Lenovo LOQ 15APH8 running Arch Linux x86_64 with the Hyprland Wayland compositor. The system becomes entirely unresponsive at random intervals, requiring a hard reboot. Logs suggest potential issues with NVIDIA driver or GPU power management, but the exact root cause is unclear.
System Information
Device: Lenovo LOQ 15APH8
CPU: AMD Ryzen 7 7840HS (16 cores, 32 threads)
GPU (Hybrid):
iGPU: AMD Radeon 780M (driver: amdgpu)
dGPU: NVIDIA GeForce RTX 4060 Mobile (driver: nvidia v570.124.04)
RAM: 14.81 GiB
OS: Arch Linux x86_64
Kernel: 6.13.5-arch1-1
Shell: zsh 5.9
Display Manager / WM: Hyprland
DE: None (Wayland-only environment)
Uptime Before Freeze: Varies (15 minutes to multiple hours)
Observed Behavior
Random complete system freeze (screen locks up, no input recognized)
Requires a forced shutdown (power button)
Occurs under both light and heavy system load
Issue persists with both nvidia and nvidia-dkms packages
Journal Logs:
From journalctl -b -1 (last boot before freeze):
hyprland[818]: dmabuf feedback format count: 3
systemd-coredump[907]: Process 818 (hyprland) of user 1000 dumped core.
systemd-coredump[907]: Coredump diverted to /var/lib/systemd/coredump/core.hyprland.1000.816da3a8a14e455b94963d6e6e77b952.907.1710580971000000.zst
systemd-coredump[907]: Module linux-vdso.so.1 with build-id ...
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