diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 3209b5ddd30c..0a754b01b7cd 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -1171,6 +1171,8 @@ static int vhci_start(struct usb_hcd *hcd)
 
 	usbip_dbg_vhci_hc("enter vhci_start\n");
 
+	pr_info("%s: hcd=%px vhci_hcd=%px\n", __func__, hcd, vhci_hcd);
+	dump_stack();
 	if (usb_hcd_is_primary_hcd(hcd))
 		spin_lock_init(&vhci_hcd->vhci->lock);