diff --git a/infra/controllers/openebs.yaml b/infra/controllers/openebs.yaml
index 0469bae..d9e476d 100644
--- a/infra/controllers/openebs.yaml
+++ b/infra/controllers/openebs.yaml
@@ -63,6 +63,7 @@ spec:
         # Workaround for crashing io-engine
         # https://github.com/openebs/mayastor/issues/1763#issuecomment-2481922234
         envcontext: "iova-mode=pa"
+        coreList: [2, 3]
       agents:
         core:
           resources:
diff --git a/talos/patches/openebs.patch b/talos/patches/openebs.patch
index 439e3d9..417def3 100644
--- a/talos/patches/openebs.patch
+++ b/talos/patches/openebs.patch
@@ -14,6 +14,9 @@ machine:
           - bind
           - rshared
           - rw
+  install:
+    extraKernelArgs:
+      - isolcpus=2,3
 
 cluster:
   apiServer: