downgrade nixpkgs for now

config/nas.nix

@@ -60,7 +60,6 @@
     extraOptions = ["--loadavg-target" "5.0"];
   };
 
-  boot.kernelPackages = lib.mkForce pkgs.linuxPackages_testing_bcachefs;
   boot.supportedFilesystems = lib.mkForce ["btrfs" "vfat"];
 
   fileSystems."/" = {

flake.lock

@@ -1556,16 +1556,17 @@
     },
     "nixpkgs_5": {
       "locked": {
-        "lastModified": 1686025136,
-        "narHash": "sha256-yd/Lr6RjjeyF7PpA+TpFT4E5LZeDyiMLVJUXIWxB4Rs=",
+        "lastModified": 1684456152,
+        "narHash": "sha256-JePhOYXwG4yJJx6j6CyIAgkMY/A78RfS3JSplIDriAQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "22467e240f390f029d6c745ce031f0ffbdc40916",
+        "rev": "27dd33c02cd37d60384c6cddcc27509bd238443d",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
         "repo": "nixpkgs",
+        "rev": "27dd33c02cd37d60384c6cddcc27509bd238443d",
         "type": "github"
       }
     },
@@ -1586,11 +1587,11 @@
     },
     "nur_2": {
       "locked": {
-        "lastModified": 1686024569,
-        "narHash": "sha256-06lw0/zUjrFzS8O2OFrqnIJdY/VzpVIArZZagWOIWPA=",
+        "lastModified": 1686041132,
+        "narHash": "sha256-VXNJIJ84Cekh8vq3VMbFEi+klxtmxKZZhRrOD+ArVL4=",
         "owner": "nix-community",
         "repo": "NUR",
-        "rev": "2f7e5fb3fd20e4c17ea5a1a5a2710ca600c937e5",
+        "rev": "a3725d8d93d7cd090351528c1fbd57ef624ae722",
         "type": "github"
       },
       "original": {

flake.nix

@@ -80,7 +80,7 @@ rec {
       inputs.nixos-config-for-netboot.follows = "nixos-config-for-netboot";
     };
     nixos-hardware.url = "github:NixOS/nixos-hardware";
-    nixpkgs.url = "github:NixOS/nixpkgs";
+    nixpkgs.url = "github:NixOS/nixpkgs/27dd33c02cd37d60384c6cddcc27509bd238443d";
     nixpkgs-for-crane.url = "github:NixOS/nixpkgs/3ae365afb80773c3bb67e52294a82e329a9e5be0";
     nur.url = "github:nix-community/NUR";
     rust-overlay = {