Bug#612349: [PATCH] upgrading: warn about missing firmware

[Julien Cristau <jcristau@debian.org>]

When upgrading the kernel it may be necessary to install some firmware.
Warn about this in the kernel upgrade section.

Debian bug#612349

Signed-off-by: Julien Cristau <jcristau@debian.org>
Cc: Christian PERRIER <bubulle@debian.org>
Cc: Henrique de Moraes Holschuh <hmh@debian.org>
---
 en/upgrading.dbk |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/en/upgrading.dbk b/en/upgrading.dbk
index f998706..3851d10 100644
--- a/en/upgrading.dbk
+++ b/en/upgrading.dbk
@@ -912,6 +912,13 @@ To proceed with this kernel upgrade, run:
 See <xref linkend="kernel-metapackage"/> for help in determining which flavor
 of kernel package you should install.
 </para>
+<para>
+The move of some firmware to the non-free archive in separate packages (see
+<xref linkend="nonfree-firmware"/>) means that it may be necessary to install
+additional firmware packages after installing the new kernel.  Look out for
+warning messages from the kernel install or initramfs generation scripts, and
+make sure the necessary firmware packages are installed.
+</para>
 <para arch="i386;amd64">
 Users of the <systemitem role="package">grub</systemitem> bootloader should
 make sure that <command>update-grub</command> is run as part of the kernel
-- 
1.7.2.5