diff --git a/pkg/hostman/hostinfo/hostinfo.go b/pkg/hostman/hostinfo/hostinfo.go
index 96710d7bf6..70ed34df9e 100644
--- a/pkg/hostman/hostinfo/hostinfo.go
+++ b/pkg/hostman/hostinfo/hostinfo.go
@@ -2032,6 +2032,12 @@ func (h *SHostInfo) getNicsOvsOffloadInterfaces(nics []string) ([]isolated_devic
 }
 
 func (h *SHostInfo) probeSyncIsolatedDevices() (*jsonutils.JSONArray, error) {
+	for _, driver := range []string{"vfio", "vfio_iommu_type1", "vfio-pci"} {
+		if out, err := procutils.NewRemoteCommandAsFarAsPossible("modprobe", driver).Output(); err != nil {
+			log.Errorf("failed probe driver %s: %s %s", driver, out, err)
+		}
+	}
+
 	offloadNics, err := h.getNicsOvsOffloadInterfaces(options.HostOptions.OvsOffloadNics)
 	if err != nil {
 		return nil, err
diff --git a/pkg/hostman/isolated_device/gpu.go b/pkg/hostman/isolated_device/gpu.go
index a57833fc5b..a1e1952f1f 100644
--- a/pkg/hostman/isolated_device/gpu.go
+++ b/pkg/hostman/isolated_device/gpu.go
@@ -370,7 +370,7 @@ func (d *PCIDevice) IsBootVGA() (bool, error) {
 }
 
 func (d *PCIDevice) forceBindVFIOPCIDriver(useBootVGA bool) error {
-	if !utils.IsInStringArray(d.ClassCode, []string{CLASS_CODE_VGA, CLASS_CODE_VGA}) {
+	if !utils.IsInStringArray(d.ClassCode, []string{CLASS_CODE_VGA, CLASS_CODE_3D}) {
 		return nil
 	}
 	isBootVGA, err := d.IsBootVGA()