NixOS on Dell 7490

The well-known kernel options i915.enable_dc=0 and intel_idle.max_cstate=1 are still helpful with my latest installation of NixOS 24.5 on this device.

They live on in the /etc/nixos configuration files:

boot.kernelParams = [

  # Fix instability on Latitude 7490.


  # Fix slow shutdown/reboot.
]; = true;

The Dell notebook still feels snappy enought with a Gnome Desktop in NixOS and even the unattended installation of Windows 11 in a VirtualBox works does not fail at first glance.