amdgpu: disable cwsr to work around MES hangs/freezes

system/common.nix

@@ -70,6 +70,13 @@
     # optimize the store
     optimise.automatic = true;
 
+    # auto garbage collect old generations
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 30d";
+    };
+
     # enable flakes!
     settings.experimental-features = [
       "nix-command"
@@ -127,6 +134,9 @@
       # 1gb huge pages
       "hugepagesz=1G"
       "hugepages=3"
+
+      # disable compute wave store and resume — workaround for amdgpu MES hangs/freezes
+      "amdgpu.cwsr_enable=0"
     ];
 
   };