diff --git a/exec.c b/exec.c
index 8822c241d85976de7b8138b3d84ab2d58f2d4350..e8a915500bc36778b0a1275e544eb08be03f27a0 100644
--- a/exec.c
+++ b/exec.c
@@ -108,6 +108,7 @@ __thread CPUState *current_cpu;
    2 = Adaptive rate instruction counting.  */
 int use_icount;
 
+//tetet
 uintptr_t qemu_host_page_size;
 intptr_t qemu_host_page_mask;
 
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index daa82503329154085e8c352de29d8e001c4a8426..0e5b581534fa3653aa7257798cd6ff05eaf8de3c 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1699,6 +1699,7 @@ void virtio_delete_queue(VirtQueue *vq)
     vq->vring.num_default = 0;
     vq->handle_output = NULL;
     vq->handle_aio_output = NULL;
+    virtio_virtqueue_reset_region_cache(vq);
 }
 
 void virtio_del_queue(VirtIODevice *vdev, int n)