diff --git a/chapter08/coreutils.xml b/chapter08/coreutils.xml
index 94c276360..68ff3b356 100644
--- a/chapter08/coreutils.xml
+++ b/chapter08/coreutils.xml
@@ -123,20 +123,18 @@ FORCE_UNSAFE_CONFIGURE=1 ./configure \
 
 <screen><userinput remap="test">chown -R tester . </userinput></screen>
 
-    <para>Now run the tests:</para>
+    <!-- To editors: in jhalfs the standard input is always piped to "make"
+         so the test failures are not reproducible in jhalfs even if
+         running the build in a PTY.  Don't use jhalfs to test if we can
+         remove < /dev/null.  -->
+    <para>Now run the tests (using <filename>/dev/null</filename> for the
+    standard input, or two tests may be broken if building LFS in a
+    graphical terminal or a session in SSH or GNU Screen etc. because the
+    standard input is connected to a PTY from host distro, and the device
+    node for such a PTY cannot be accessed from the LFS chroot
+    environment):</para>
 
-<screen><userinput remap="test">su tester -c "PATH=$PATH make RUN_EXPENSIVE_TESTS=yes check"</userinput></screen>
-
-<!-- Sometimes skipped, but if not it may fail.
-     Please DO NOT remove or comment out this unless we can fully
-     understand it!
-    <para>The test-getlogin test may fail in the LFS chroot environment.</para>
-    20240226: Commented out as it seems the upstream has root-caused and
-    fixed the issue.  I've checked the fix is in Coreutils 9.4 release
-    tarball:
-
-    https://lists.gnu.org/archive/html/bug-gnulib/2022-06/msg00079.html
--->
+<screen><userinput remap="test">su tester -c "PATH=$PATH make RUN_EXPENSIVE_TESTS=yes check" &lt; /dev/null</userinput></screen>
 
     <para>Remove the temporary group:</para>