diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index daa8fc217..4c71153fc 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -36,6 +36,16 @@
     </listitem>
 -->
 
+    <listitem>
+      <para>2015-04-26</para>
+      <itemizedlist>
+        <listitem>
+          <para>[bdubbs] - Updated to tzdata-2015d. Fixes
+          <ulink url="&lfs-ticket-root;3780">#3780</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2015-04-24</para>
       <itemizedlist>
diff --git a/chapter06/gcc.xml b/chapter06/gcc.xml
index ab0fde85a..7616b30ac 100644
--- a/chapter06/gcc.xml
+++ b/chapter06/gcc.xml
@@ -40,17 +40,7 @@
 
   <sect2 role="installation">
     <title>Installation of GCC</title>
-<!--
-    <para>As in Chapter 5, fix a problem identified upstream:</para>
 
-<screen><userinput remap="pre">sed -i 's/if \((code.*))\)/if (\1 \&amp;\&amp; \!DEBUG_INSN_P (insn))/' gcc/sched-deps.c</userinput></screen>
-
-
-    <para>Now fix another problem identified upstream that causes some 
-    programs to fail:</para>
-
-<screen><userinput remap="pre">patch -Np1 -i ../&gcc-upstream-patch;</userinput></screen>
--->
     <para>The GCC documentation recommends building GCC outside of the source
     directory in a dedicated build directory:</para>
 
@@ -121,10 +111,8 @@ cd ../gcc-build</userinput></screen>
     url="&test-results;"/> and <ulink url="http://gcc.gnu.org/ml/gcc-testresults/"/>.</para>
 
     <para>A few unexpected failures cannot always be avoided. The GCC developers
-    are usually aware of these issues, but have not resolved them yet. <!-- In
-    particular, the <filename class="libraryfile">libmudflap</filename> tests
-    are known to be particularly problematic as a result of a bug in GCC
-    (<ulink url="http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20003"/>). -->
+    are usually aware of these issues, but have not resolved them yet.
+    In particular, four tests in the libgomp test suite are known to fail.
     Unless the test results are vastly different from those at the above URL,
     it is safe to continue.</para>
 
diff --git a/chapter06/glibc.xml b/chapter06/glibc.xml
index 98b364f7f..6663d3ea1 100644
--- a/chapter06/glibc.xml
+++ b/chapter06/glibc.xml
@@ -118,6 +118,11 @@ cd ../glibc-build</userinput></screen>
 
     <itemizedlist>
 
+      <listitem>
+        <para>posix/tst-getaddrinfo4 will always fail 
+        due to not having a network connection when the tests are run.</para>
+      </listitem>
+
       <listitem>
         <para>The <emphasis>tst/tst-cputimer1</emphasis> and 
         <emphasis>rt/tst-cpuclock2</emphasis> tests have been known to
@@ -139,10 +144,6 @@ cd ../glibc-build</userinput></screen>
         make -k check</command>).</para>
       </listitem>
 -->
-      <listitem>
-        <para>posix/tst-getaddrinfo4 and posix/tst-getaddrinfo5 will always fail 
-        due to not having a network connection when the tests are run.</para>
-      </listitem>
 <!--
       <listitem>
         <para>libio/tst-ftell-partial-wide.out fails because it needs a locale
diff --git a/packages.ent b/packages.ent
index c054c4ecd..2680462f8 100644
--- a/packages.ent
+++ b/packages.ent
@@ -562,10 +562,10 @@
 <!ENTITY texinfo-ch6-du "109 MB">
 <!ENTITY texinfo-ch6-sbu "0.5 SBU">
 
-<!ENTITY tzdata-version "2015c">
-<!ENTITY tzdata-size "288 KB">
+<!ENTITY tzdata-version "2015d">
+<!ENTITY tzdata-size "290 KB">
 <!ENTITY tzdata-url "http://www.iana.org/time-zones/repository/releases/tzdata&tzdata-version;.tar.gz">
-<!ENTITY tzdata-md5 "4b4a3e344786198c46909e5afde08788">
+<!ENTITY tzdata-md5 "b595bdc4474b8fc1a15cffc67c66025b">
 <!ENTITY tzdata-home "http://www.iana.org/time-zones">
 
 <!ENTITY util-linux-version "2.26.1">