anchor.diff:  
     inherit (linuxPackages_2_6_32) kernel;
   
  -  kvm = pkgs.kvm76;
  +  kvm = pkgs.qemu_kvm;
   
   
     modulesClosure = makeModulesClosure {
       inherit kernel;
  -    rootModules = ["cifs" "virtio_net" "virtio_pci" "virtio_blk" "virtio_balloon" "nls_utf8" "ext2" "ext3" "unix"];
  +    rootModules = [ "cifs" "virtio_net" "virtio_pci" "virtio_blk" "virtio_balloon" "nls_utf8" "ext2" "ext3" "unix" "sd_mod" "ata_piix" ];
     };
  +
  +
  +  hd = "vda"; # either "sda" or "vda"
   
   
     initrdUtils = runCommand "initrd-utils"
  
positive.code: 
    createRootFS = ''
      mkdir /mnt
      ${e2fsprogs}/sbin/mke2fs -F /dev/vda
      ${utillinux}/bin/mount -t ext2 /dev/vda /mnt
  
      if test -e /mnt/.debug; then
        exec ${bash}/bin/sh
  
negative.code: { pkgs }:
  
  with pkgs;
  
  