diff --git a/README.adoc b/README.adoc
index fa31070..c4c1713 100644
--- a/README.adoc
+++ b/README.adoc
@@ -5807,6 +5807,8 @@ I've also tried the fix at: https://stackoverflow.com/questions/27411621/remote-
 
 but it did not help.
 
+https://www.mail-archive.com/gem5-users@gem5.org/msg15383.html
+
 ==== gem5 GDB step debug userland process
 
 We are unable to use `gdbserver` because of networking: <<gem5-host-to-guest-networking>>