diff --git a/osbase/gpt/linux_test.go b/osbase/gpt/linux_test.go
new file mode 100644
index 0000000..030c8eb
--- /dev/null
+++ b/osbase/gpt/linux_test.go
@@ -0,0 +1,50 @@
+package gpt
+
+import (
+	"os"
+	"testing"
+
+	"github.com/google/uuid"
+
+	"source.monogon.dev/osbase/blockdev"
+)
+
+var testUUID = uuid.MustParse("85c0b60f-caf9-40dd-86fa-f8797e26238d")
+
+func TestKernelInterop(t *testing.T) {
+	if os.Getenv("IN_KTEST") != "true" {
+		t.Skip("Not in ktest")
+	}
+	ram0, err := blockdev.Open("/dev/ram0")
+	if err != nil {
+		panic(err)
+	}
+	g := Table{
+		ID:       uuid.NewSHA1(testUUID, []byte("test")),
+		BootCode: []byte("just some test code"),
+		Partitions: []*Partition{
+			nil,
+			// This emoji is very complex and exercises UTF16 surrogate encoding
+			// and composing.
+			{Name: "Test 🏃‍♂️", FirstBlock: 10, LastBlock: 19, Type: PartitionTypeEFISystem, ID: uuid.NewSHA1(testUUID, []byte("test1")), Attributes: AttrNoBlockIOProto},
+			nil,
+			{Name: "Test2", FirstBlock: 20, LastBlock: 49, Type: PartitionTypeEFISystem, ID: uuid.NewSHA1(testUUID, []byte("test2")), Attributes: 0},
+		},
+		b: ram0,
+	}
+	if err := g.Write(); err != nil {
+		t.Fatalf("Failed to write GPT: %v", err)
+	}
+	if err := ram0.RefreshPartitionTable(); err != nil {
+		t.Fatalf("Failed to refresh partition table: %v", err)
+	}
+	if _, err := os.Stat("/sys/block/ram0/ram0p2"); err != nil {
+		t.Errorf("Expected ram0p2 to exist, got %v", err)
+	}
+	if _, err := os.Stat("/sys/block/ram0/ram0p4"); err != nil {
+		t.Errorf("Expected ram0p4 to exist, got %v", err)
+	}
+	if _, err := os.Stat("/sys/block/ram0/ram0p1"); err == nil {
+		t.Error("Expected ram0p1 not to exist, but it exists")
+	}
+}