diff --git a/conf/linux_defconfig b/conf/linux_defconfig
index 50fe1f4..c1812e7 100644
--- a/conf/linux_defconfig
+++ b/conf/linux_defconfig
@@ -42,6 +42,11 @@ CONFIG_R8169=y
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_VT is not set
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+# CONFIG_SERIAL_8250_PCI is not set
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_VIRTIO_CONSOLE=y
 # CONFIG_HW_RANDOM is not set
 # CONFIG_HWMON is not set
 CONFIG_USB=y