anchor.diff:  #    msmtp
   #    mutt
   #    ncdu
  -    networkmanager
  +          networkmanager
   #    networkmanagerapplet
   #    nfs-utils
   #    nixpkgs-lint
  
positive.code:   "uvcvideo"
    "bluetooth"
  
  ];
  
    boot.kernelPackages = linuxPackages // {
      virtualbox = linuxPackages.virtualbox.override {
        enableExtensionPack = (myz575 == hostname);
      };
    };
    #boot.extraModulePackages = [ linuxPackages.lttng-modules ];  # fails on linux 3.18+
  
    boot.consoleLogLevel = 9; #aka kernel cmdline: loglevel=9  (default 4)
  
    #Whether to delete all files in /tmp during boot. TODO: find out if this happens before /tmp is mounted as tmpfs!
    boot.cleanTmpDir = true;
  
    boot.kernelParams = [
      "ipv6.disable=1"
      "pnp.debug=1"
  #    "loglevel=9" #XXX: overriden by boot.consoleLogLevel
      "log_buf_len=10M"
      "printk.always_kmsg_dump=y"
      "printk.time=y"
      "mminit_loglevel=0"
      "memory_corruption_check=1"
      "nohz=on"
      "rcu_nocbs=1-3"
      "pcie_aspm=force"
      "fbcon=scrollback:4096k"
      "fbcon=font:ProFont6x11"
      "apic=debug"
      "dynamic_debug.verbose=1"
      "dyndbg=\"file arch/x86/kernel/apic/* +pflmt ; file drivers/video/* +pflmt ; file drivers/input/* -pflmt ; file drivers/acpi/* -pflmt\""
      "acpi_backlight=vendor"
      "radeon.audio=0"
      "radeon.lockup_timeout=999000"
      "radeon.test=0"
      "radeon.agpmode=-1"
      "radeon.benchmark=0"
      "radeon.tv=0"
      "radeon.hard_reset=1"
      "radeon.aspm=1"
      "radeon.msi=1"
      "radeon.pcie_gen2=-1"
      "radeon.no_wb=1"
      "radeon.dynclks=0"
      "radeon.r4xx_atom=0"
      "radeonfb"
      "radeon.fastfb=1"
      "radeon.dpm=1"
      "radeon.runpm=1"
      "rd.debug"
      "rd.udev.debug"
      "rd.memdebug=3"
      "net.ifnames=1"
      "slub_debug=U"
      "pax_sanitize_slab=full"
      "noefi"
  #    "dolvm"
  #    "dobtrfs"
      "console=tty1"
      "earlyprintk=vga"
      "CPUunderclocking"
      "radeon.modeset=1"
      #console=tty1,ttyS0,115200n8 earlyprintk=vga,serial,ttyS0,115200,keep"
      #radeon.modeset=1 allows X to start into gfx mode but consoles (vts) are also graphical (framebuffer like) from the start.
  
    ];
  
  
negative.code: #fs.nfs.nlm_tcpport = 0
  # UDP Port for lock manager
  #fs.nfs.nlm_udpport = 0
    };
  
  # This fixes the touchpad resolution and 2-finger scroll on my Asus UL30A
  # laptop (and it doesn't hurt my desktop settings)
  #  boot.kernelModules = [ "psmouse" ];
  #  boot.extraModprobeConfig = " options psmouse proto=imps ";
  boot.blacklistedKernelModules = [
  