diff --git a/README.adoc b/README.adoc
index 9d0a032..71196e1 100644
--- a/README.adoc
+++ b/README.adoc
@@ -744,6 +744,10 @@ unzip lkmc-*.zip
 ./run --qemu-which host
 ....
 
+You have to checkout to the latest tag to ensure that the scripts match the release format: https://stackoverflow.com/questions/1404796/how-to-get-the-latest-tag-name-in-current-branch-in-git
+
+This is known not to work for aarch64 on an Ubuntu 16.04 host with QEMU 2.5.0, presumably because QEMU is too old, the terminal does not show any output. I haven't investigated why.
+
 Or to run a baremetal example instead:
 
 ....
@@ -754,8 +758,6 @@ Or to run a baremetal example instead:
 ;
 ....
 
-You have to checkout to the latest tag to ensure that the scripts match the release format: https://stackoverflow.com/questions/1404796/how-to-get-the-latest-tag-name-in-current-branch-in-git
-
 Be saner and use our custom built QEMU instead:
 
 ....