Add an explanation of 'owner' in instructions for creating a preconfiguration file (#478219)

2 files changed, 21 insertions, 5 deletions

diff --git a/en/appendix/graphical.xml b/en/appendix/graphical.xml
index 7ccb34fb0..82738f6cc 100644
--- a/en/appendix/graphical.xml
+++ b/en/appendix/graphical.xml
@@ -61,6 +61,14 @@ an ATI graphical card, but is unlikely to work on other systems.
 
 </para><para>
 
+You can add boot parameters when starting the graphical installer, just as
+with the regular installer. One of those parameters allows you to configure
+the mouse for left-handed use. See <xref linkend="boot-parms"/> for valid
+parameters.
+
+</para>
+<note><para>
+
 The graphical installer requires significantly more memory to run than
 the regular installer: &minimum-memory-gtk;. If insufficient memory is
 available, it will automatically fall back to the regular
@@ -68,12 +76,12 @@ available, it will automatically fall back to the regular
 
 </para><para>
 
-You can add boot parameters when starting the graphical installer, just as
-with the regular installer. One of those parameters allows you to configure
-the mouse for left-handed use. See <xref linkend="boot-parms"/> for valid
-parameters.
+If the amount of memory in your system is close to &minimum-memory;,
+the graphical installer may fail to boot at all while booting the
+regular installer would still work. Using the regular installer is
+recommended for systems with low memory.
 
-</para>
+</para></note>
 
   <sect2 id="gtk-using">
   <title>Using the graphical installer</title>
diff --git a/en/appendix/preseed.xml b/en/appendix/preseed.xml
index d945041d0..b54c6df5d 100644
--- a/en/appendix/preseed.xml
+++ b/en/appendix/preseed.xml
@@ -608,6 +608,14 @@ There are a few rules to keep in mind when writing a preconfiguration file.
   between type and value.
 </para></listitem>
 <listitem><para>
+  For debconf variables (templates) used in the installer itself, the
+  owner should be set to <quote>d-i</quote>; to preseed variables used
+  in the installed system, the name of the package that contains the
+  corresponding debconf template should be used. Only variables that have
+  their owner set to something other than <quote>d-i</quote> will be
+  propagated to the debconf database for the installed system.
+</para></listitem>
+<listitem><para>
   Most questions need to be preseeded using the values valid in English and
   not the translated values. However, there are some questions (for example
   in <classname>partman</classname>) where the translated values need to be