diff -u mythbuntu-control-centre-0.28/debian/changelog mythbuntu-control-centre-0.28/debian/changelog
--- mythbuntu-control-centre-0.28/debian/changelog
+++ mythbuntu-control-centre-0.28/debian/changelog
@@ -1,3 +1,11 @@
+mythbuntu-control-centre (0.28-0ubuntu1~hardy2) hardy-proposed; urgency=low
+
+  * diskless tab: fix typo which prevented the "Allow unsigned packages" checkbox from
+    applying successfully. (LP: #221921)
+  * diskless tab: Pop up an error message if ltsp-build-client fails.
+
+ -- Michael Haas <laga@laga.ath.cx>  Thu, 15 May 2008 13:06:40 +0200
+
 mythbuntu-control-centre (0.28-0ubuntu1~hardy1) hardy-proposed; urgency=low
 
   * add MCC_DEBUG environment variable. set to "true" to get additional
only in patch2:
unchanged:
--- mythbuntu-control-centre-0.28.orig/MythbuntuControlCentre/changer.py
+++ mythbuntu-control-centre-0.28/MythbuntuControlCentre/changer.py
@@ -399,7 +399,7 @@
             elif item == "diskless_pen":
                 diskless_pen = self.to_reconfigure[item]
             elif item == "diskless_sign":
-                diskless_signed = self.to_reconfigure[item]
+                diskless_sign = self.to_reconfigure[item]
             elif item == "diskless_arch":
                 diskless_arch = self.to_reconfigure[item]
             elif item == "diskless_wol":
@@ -1024,6 +1024,20 @@
                     progbar.set_fraction(step)
                     fraction = step
 
+            status = pp.wait()
+            if os.WIFEXITED(status):
+                exit_code = os.WEXITSTATUS(status)
+                if exit_code != 0:
+                    header = _("Error building image")
+                    e = _("ltsp-build-client failed with exit code ") + str(exit_code) + _(".\nMaybe you need to enable the \"Allow unsigned packages\" checkbox?")
+                    self.show_alert(gtk.MESSAGE_INFO, header, e, None,
+                        parent=self.progress_dialog)
+            elif os.WIFSIGNALED(status):
+                header = _("Error building image")
+                e = _("ltsp-build-client failed with signal ") + str(os.WTERMSIG(status))
+                self.show_alert(gtk.MESSAGE_INFO, header, e, None,
+                    parent=self.progress_dialog)
+            
             progbar.set_fraction(1.0)
             progbar.set_text('LTSP Setup Done...')