diff --git a/winsup/doc/relnotes.texinfo b/winsup/doc/relnotes.texinfo
index dc376f2b3..fbd96bed7 100644
--- a/winsup/doc/relnotes.texinfo
+++ b/winsup/doc/relnotes.texinfo
@@ -15,6 +15,15 @@ Win9x does not support the API used by the Cygwin fhandler_dev_tape
 class.  Details at
 @file{http://sources.redhat.com/ml/cygwin/2000-12/msg00331.html}.
 
+@subsection Hang or core-dump during make
+
+There is a rare core-dump that seems to be triggered by a recursive
+make.  There is also a hang condition that happens more frequently
+during parallel makes (@code{make -j 3}).  The solution is not known,
+so please help debug this.  ``Me too'' reports are not useful, unless
+accompanied by exhaustive, useful data (stack traces, reproducible
+test cases, patches).
+
 @section Fixed in the Next Release
 
 @subsection On Win9x, scp and cvs/ssh leave ssh processes running, and cvs/ssh hangs at completion