diff --git a/README.adoc b/README.adoc
index 50a3594..71d750f 100644
--- a/README.adoc
+++ b/README.adoc
@@ -870,6 +870,11 @@ TODOs:
 
 * only managed to run in the terminal interface (but weirdly a blank QEMU window is still opened)
 * GDB not connecting to KGDB. Possibly linked to `-serial stdio`. See also: https://stackoverflow.com/questions/14155577/how-to-use-kgdb-on-arm
+* `/poweroff.out` does not exit QEMU, the terminal just hangs: https://stackoverflow.com/questions/31990487/how-to-cleanly-exit-qemu-after-executing-bare-metal-program-without-user-interve A blunt resolution is:
++
+....
+pkill qemu
+....
 
 ==== aarch64