diff --git a/configs/airootfs/etc/modprobe.d/blacklist-applesmc.conf b/configs/airootfs/etc/modprobe.d/blacklist-applesmc.conf
new file mode 100644
index 0000000..568b6dd
--- /dev/null
+++ b/configs/airootfs/etc/modprobe.d/blacklist-applesmc.conf
@@ -0,0 +1,3 @@
+# linux-t2 ships for every machine, and on a pre-T2 Mac its applesmc oopses
+# registering the keyboard-backlight LED, wedging udev. Nothing here needs the SMC.
+blacklist applesmc