Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:

Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
       Last 2 log lines:
       > Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
       > Can not derive a closure of kernel modules because no modules were provided.
       For full logs, run:
         nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv```
But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
```nix

{ config, lib, pkgs, modulesPath, ... }:

{
  imports =
    [ (modulesPath + "/profiles/qemu-guest.nix")
    ./disk.nix
    ];
  boot = {
    initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
    initrd.kernelModules = [ ];
    kernelModules = [ "kvm-intel" ];
    kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
    extraModulePackages = [ ];    
    
    loader.grub.efiSupport = lib.mkDefault true;
    loader.grub.efiInstallAsRemovable = lib.mkDefault true;    
    
  };
  swapDevices = [ ];
  networking.useDHCP = lib.mkDefault true;

  nix.settings.trusted-users = [ "admin"];
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}

Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:

Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
       Last 2 log lines:
       > Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
       > Can not derive a closure of kernel modules because no modules were provided.
       For full logs, run:
         nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv
```
But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
```nix

{ config, lib, pkgs, modulesPath, ... }:

{
  imports =
    [ (modulesPath + "/profiles/qemu-guest.nix")
    ./disk.nix
    ];
  boot = {
    initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
    initrd.kernelModules = [ ];
    kernelModules = [ "kvm-intel" ];
    kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
    extraModulePackages = [ ];    
    
    loader.grub.efiSupport = lib.mkDefault true;
    loader.grub.efiInstallAsRemovable = lib.mkDefault true;    
    
  };
  swapDevices = [ ];
  networking.useDHCP = lib.mkDefault true;

  nix.settings.trusted-users = [ "admin"];
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}

Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:

Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
       Last 2 log lines:
       > Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
       > Can not derive a closure of kernel modules because no modules were provided.
       For full logs, run:
         nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv
```

But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔
```nix

{ config, lib, pkgs, modulesPath, ... }:

{
  imports =
    [ (modulesPath + "/profiles/qemu-guest.nix")
    ./disk.nix
    ];
  boot = {
    initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
    initrd.kernelModules = [ ];
    kernelModules = [ "kvm-intel" ];
    kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
    extraModulePackages = [ ];    
    
    loader.grub.efiSupport = lib.mkDefault true;
    loader.grub.efiInstallAsRemovable = lib.mkDefault true;    
    
  };
  swapDevices = [ ];
  networking.useDHCP = lib.mkDefault true;

  nix.settings.trusted-users = [ "admin"];
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}

Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:

Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
       Last 2 log lines:
       > Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
       > Can not derive a closure of kernel modules because no modules were provided.
       For full logs, run:
         nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv

But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔

{ config, lib, pkgs, modulesPath, ... }:

{
  imports =
    [ (modulesPath + "/profiles/qemu-guest.nix")
    ./disk.nix
    ];
  boot = {
    initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
    initrd.kernelModules = [ ];
    kernelModules = [ "kvm-intel" ];
    kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
    extraModulePackages = [ ];    
    
    loader.grub.efiSupport = lib.mkDefault true;
    loader.grub.efiInstallAsRemovable = lib.mkDefault true;    
    
  };
  swapDevices = [ ];
  networking.useDHCP = lib.mkDefault true;

  nix.settings.trusted-users = [ "admin"];
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}

Hello, I don't really get why my config is not working and I don't understand why the errors appears. I used to make my VMs with NixOS 24.05 (apparently old) and wanted to update to 25.11.
I get this error:

Cannot build '/nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/rfy659qwndivmbfnz9xqidjglj5xkq3a-kernel-modules-shrunk
       Last 2 log lines:
       > Required modules: 9p 9pnet_virtio virtiofs virtio_pci virtio_blk virtio_balloon virtio_rng
       > Can not derive a closure of kernel modules because no modules were provided.
       For full logs, run:
         nix log /nix/store/61hn1fcn4y43gsgvikkfg2ycqx7mk0l2-kernel-modules-shrunk.drv

But my hardware-configuration.nix does provide some the modules. And even if I insert the named one, it does not change 🤔

{ config, lib, pkgs, modulesPath, ... }:

{
  imports =
    [ (modulesPath + "/profiles/qemu-guest.nix")
    ./disk.nix
    ];
  boot = {
    initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "virtio_scsi" "sr_mod" "sd_mod"];
    initrd.kernelModules = [ ];
    kernelModules = [ "kvm-intel" ];
    kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
    extraModulePackages = [ ];    
    
    loader.grub.efiSupport = lib.mkDefault true;
    loader.grub.efiInstallAsRemovable = lib.mkDefault true;    
    
  };
  swapDevices = [ ];
  networking.useDHCP = lib.mkDefault true;

  nix.settings.trusted-users = [ "admin"];
  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
}

I can still create VMs with the exact same configuration, but only changing the nixpkgs version in system.stateVersion and in the flake input url for the packages.