diff --git a/ci.nix b/ci.nix
index 3998d71..0b5a194 100644
--- a/ci.nix
+++ b/ci.nix
@@ -1,5 +1,27 @@
 {
-  smoke = import ./tests/smoke/test.nix;
-  pseudofiles = import ./tests/pseudofiles/test.nix;
-  pppoe = import ./tests/pppoe/test.nix;
-}
+  nixpkgs
+, unstable
+, liminix
+, ... }:
+let
+  inherit (builtins) map;
+  pkgs = (import nixpkgs {});
+  inherit (pkgs.lib.attrsets) genAttrs;
+  devices = [ "qemu" "gl-ar750" ];
+  vanilla = ./vanilla-configuration.nix;
+  for-device = name:
+    (import liminix {
+      inherit nixpkgs;
+      device = import (liminix + "/devices/${name}");
+      liminix-config = vanilla;
+    }).outputs.default;
+  tests = import ./tests/ci.nix;
+  jobs =
+    (genAttrs devices (name: for-device name)) // tests // {
+      with-unstable = (import liminix {
+        nixpkgs = unstable;
+        device = import (liminix + "/devices/qemu");
+        liminix-config = vanilla;
+      }).outputs.default;
+    };
+in builtins.trace jobs jobs
diff --git a/ci/basic.nix b/ci/basic.nix
deleted file mode 100644
index 16153c3..0000000
--- a/ci/basic.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  nixpkgs
-, deviceName
-, ... }:
-let
-  pkgs = (import nixpkgs {});
-  device =  import "${<liminix/devices>}/${deviceName}";
-  liminix-config = import <liminix/tests/smoke/configuration.nix>;
-  liminix = import <liminix> { inherit device liminix-config; };
-in {
-  inherit (liminix.outputs) squashfs kernel default manifest;
-}
diff --git a/default.nix b/default.nix
index 8132bfe..92d51f0 100644
--- a/default.nix
+++ b/default.nix
@@ -2,16 +2,17 @@
   device
 , liminix-config ? <liminix-config>
 , phram ? false
+, nixpkgs ? <nixpkgs>
 }:
 
 let
   overlay = import ./overlay.nix;
-  nixpkgs = import <nixpkgs> (device.system // {
+  pkgs = import nixpkgs (device.system // {
     overlays = [overlay device.overlay];
     config = {allowUnsupportedSystem = true; };
   });
-  inherit (nixpkgs) callPackage writeText liminix fetchFromGitHub;
-  inherit (nixpkgs.lib) concatStringsSep;
+  inherit (pkgs) callPackage writeText liminix fetchFromGitHub;
+  inherit (pkgs.lib) concatStringsSep;
   config = (import ./merge-modules.nix) [
     ./modules/base.nix
     ({ lib, ... } : { config = { inherit (device) kernel; }; })
@@ -19,7 +20,7 @@ let
     ./modules/s6
     ./modules/users.nix
     (if phram then  ./modules/phram.nix else (args: {}))
-  ] nixpkgs;
+  ] pkgs;
   squashfs = liminix.builders.squashfs config.filesystem.contents;
 
   openwrt = fetchFromGitHub {
@@ -32,7 +33,7 @@ let
 
   outputs = rec {
     inherit squashfs;
-    kernel = nixpkgs.kernel.override {
+    kernel = pkgs.kernel.override {
       inherit (config.kernel) config;
     };
     dtb =  (callPackage ./kernel/dtb.nix {}) {
@@ -48,8 +49,8 @@ let
       inherit kernel;
       inherit dtb;
     };
-    combined-image = nixpkgs.runCommand "firmware.bin" {
-      nativeBuildInputs = [ nixpkgs.buildPackages.ubootTools ];
+    combined-image = pkgs.runCommand "firmware.bin" {
+      nativeBuildInputs = [ pkgs.buildPackages.ubootTools ];
     } ''
       mkdir $out
       dd if=${uimage} of=$out/firmware.bin bs=128k conv=sync
@@ -57,13 +58,13 @@ let
     '';
     boot-scr =
       let
-        inherit (nixpkgs.lib.trivial) toHexString;
+        inherit (pkgs.lib.trivial) toHexString;
         uimageStart = 10485760; # 0xa00000
         squashfsStart = uimageStart + 4 * 1024 * 1024;
         squashfsSize = 8;
         cmd = "mtdparts=phram0:${toString squashfsSize}M(nix) phram.phram=phram0,0x${toHexString squashfsStart},${toString squashfsSize}Mi memmap=${toString squashfsSize}M\$0x${toHexString squashfsStart} root=1f00";
       in
-        nixpkgs.buildPackages.writeScript "firmware.bin" ''
+        pkgs.buildPackages.writeScript "firmware.bin" ''
           setenv serverip 192.168.8.148
           setenv ipaddr 192.168.8.251
           setenv bootargs '${concatStringsSep " " config.boot.commandLine} ${cmd}'
@@ -71,7 +72,7 @@ let
           bootm 0x${toHexString uimageStart}
         '';
 
-    directory = nixpkgs.runCommand "liminix" {} (''
+    directory = pkgs.runCommand "liminix" {} (''
       mkdir $out
       cd $out
       ln -s ${squashfs} squashfs
@@ -87,12 +88,12 @@ let
     # this exists so that you can run "nix-store -q --tree" on it and find
     # out what's in the image, which is nice if it's unexpectedly huge
     manifest = writeText "manifest.json" (builtins.toJSON config.filesystem.contents);
-    tftpd = nixpkgs.buildPackages.tufted;
+    tftpd = pkgs.buildPackages.tufted;
   };
 in {
   outputs = outputs // { default = outputs.${device.outputs.default}; };
 
   # this is just here as a convenience, so that we can get a
   # cross-compiling nix-shell for any package we're customizing
-  inherit (nixpkgs) pkgs;
+  inherit  pkgs;
 }
diff --git a/tests/ci.nix b/tests/ci.nix
new file mode 100644
index 0000000..a2cf78f
--- /dev/null
+++ b/tests/ci.nix
@@ -0,0 +1,5 @@
+{
+  smoke = import ./smoke/test.nix;
+  pseudofiles = import ./pseudofiles/test.nix;
+  pppoe = import ./pppoe/test.nix;
+}
diff --git a/tests/smoke/test.nix b/tests/smoke/test.nix
index 566ab63..907174a 100644
--- a/tests/smoke/test.nix
+++ b/tests/smoke/test.nix
@@ -4,7 +4,7 @@
 }:
 let img = (import liminix {
       device = import "${liminix}/devices/qemu/";
-      liminix-config = ./configuration.nix;
+      liminix-config = "${liminix}/vanilla-configuration.nix";
     }).outputs.squashfs;
     pkgs = import <nixpkgs> {};
 in pkgs.runCommand "check" {
diff --git a/tests/smoke/configuration.nix b/vanilla-configuration.nix
similarity index 100%
rename from tests/smoke/configuration.nix
rename to vanilla-configuration.nix