diff -u eglibc-2.12.1/debian/changelog eglibc-2.12.1/debian/changelog
--- eglibc-2.12.1/debian/changelog
+++ eglibc-2.12.1/debian/changelog
@@ -1,3 +1,11 @@
+eglibc (2.12.1-0ubuntu12) natty; urgency=low
+
+  * do not run 'telinit u' on upgrade, as this will break upstart.
+    touch /var/run/init.upgraded instead, which will force a re-exec just
+    before remounting root read-only. (LP: #672177)
+
+ -- Clint Byrum <clint@ubuntu.com>  Mon, 03 Jan 2011 10:17:18 -0800
+
 eglibc (2.12.1-0ubuntu11) natty; urgency=low
 
   * Update to the eglibc 2.12 branch (r12365).
reverted:
--- eglibc-2.12.1/debian/changelog.upstream
+++ eglibc-2.12.1.orig/debian/changelog.upstream
@@ -1,3 +0,0 @@
-The upstream changelog being composed of multiple files with a total size
-of more than 1.5MB, they are provided by the glibc-doc package in the
-/usr/share/doc/glibc-doc/ directory.
diff -u eglibc-2.12.1/debian/debhelper.in/libc.postinst eglibc-2.12.1/debian/debhelper.in/libc.postinst
--- eglibc-2.12.1/debian/debhelper.in/libc.postinst
+++ eglibc-2.12.1/debian/debhelper.in/libc.postinst
@@ -240,9 +240,9 @@
 	fi # end upgrading and $preversion lt 2.12
     fi # Upgrading
 
-    # Restart init. If it fails, there is nothing we can do, so 
-    # just ignore the error
-    telinit u 2> /dev/null || true ; sleep 1
+    # Upstart cannot be restarted without losing all of its state, so
+    # umountroot will run 'telinit u' on reboot if this file exists
+    touch /var/run/init.upgraded
 fi
 
 #DEBHELPER#