diff --git a/devices/gl-ar750/default.nix b/devices/gl-ar750/default.nix
index 0339504..b8d9c40 100644
--- a/devices/gl-ar750/default.nix
+++ b/devices/gl-ar750/default.nix
@@ -61,9 +61,8 @@ OpenWrt web page: https://openwrt.org/toh/gl.inet/gl-ar750
     let
       inherit (lib) mkIf;
       openwrt = pkgs.openwrt;
-      firmwareBlobs = pkgs.pkgsBuildBuild.fetchFromGitHub {
-        owner = "kvalo";
-        repo = "ath10k-firmware";
+      firmwareBlobs = pkgs.pkgsBuildBuild.fetchgit {
+        url = "https://git.codelinaro.org/clo/ath-firmware/ath10k-firmware";
         rev = "5d63529ffc6e24974bc7c45b28fd1c34573126eb";
         sha256 = "1bwpifrwl5mvsmbmc81k8l22hmkwk05v7xs8dxag7fgv2kd6lv2r";
       };
diff --git a/pkgs/kernel/default.nix b/pkgs/kernel/default.nix
index 0fe25a7..a6910b0 100644
--- a/pkgs/kernel/default.nix
+++ b/pkgs/kernel/default.nix
@@ -98,6 +98,11 @@ stdenv.mkDerivation rec {
 
   checkConfigurationPhase = ''
     echo Checking required config items:
+    echo ======================================================
+    echo ======================================================
+    echo ------------------------------------------------------
+    echo $modulesupport
+    echo ------------------------------------------------------
     if comm -2 -3 <(grep 'CONFIG' ${kconfigFile} |sort) <(grep 'CONFIG' .config|sort) |grep '.'    ; then
       echo -e "^^^ Some configuration lost :-(\nPerhaps you have mutually incompatible settings, or have disabled options on which these depend.\n"
       exit 0
@@ -119,5 +124,9 @@ stdenv.mkDerivation rec {
     make modules
     cp -a . $modulesupport
     cp .config $config
+    echo ------------------------------------------------------
+    cat .config
+    echo $config
+    echo ------------------------------------------------------
   '';
 }
diff --git a/pkgs/kernel/dtb.nix b/pkgs/kernel/dtb.nix
index a58d3e4..7a40c6c 100644
--- a/pkgs/kernel/dtb.nix
+++ b/pkgs/kernel/dtb.nix
@@ -24,6 +24,11 @@ stdenv.mkDerivation {
   phases = [ "buildPhase" ];
   nativeBuildInputs = [ dtc ];
   buildPhase = ''
+  echo ==================================================
+  echo ${dtcSearchFlags}
+  echo ==
+  echo ${cppDtSearchFlags}
+  echo ==================================================
     ${stdenv.cc.targetPrefix}cpp -nostdinc -x assembler-with-cpp ${cppDtSearchFlags} -undef -D__DTS__  -o dtb.tmp ${combined}
     dtc ${dtcSearchFlags} -I dts  -O dtb -o $out dtb.tmp
     # dtc -I dtb  -O dts  $out