[FE training-materials-updates] Kernel labs: clear a few U-Boot environment variables

Michael Opdenacker michael.opdenacker at free-electrons.com
Thu May 29 22:03:48 CEST 2014

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=7ebe7b1a2577dac52d4b2056ee0f707a491e1515


commit 7ebe7b1a2577dac52d4b2056ee0f707a491e1515
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Thu May 29 22:02:45 2014 +0200

    Kernel labs: clear a few U-Boot environment variables
    - To avoid interference with settings from previous sessions
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


 labs/kernel-board-setup/kernel-board-setup.tex |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/labs/kernel-board-setup/kernel-board-setup.tex b/labs/kernel-board-setup/kernel-board-setup.tex
index 0e8bddf..c9213a0 100644
--- a/labs/kernel-board-setup/kernel-board-setup.tex
+++ b/labs/kernel-board-setup/kernel-board-setup.tex
@@ -122,6 +122,17 @@ course), we ask you to install the U-Boot binary that we compiled and
 tested. See the \code{$HOME/felabs/linux/bootloader/beaglebone-black/README.txt}
 file for a simple way to do this.
+To avoid trouble because of settings applied in previous practical labs,
+we advise you to clear a few U-Boot environment variables:
+setenv bootargs
+setenv bootcmd
+setenv ipaddr
+setenv serverip
 \section{Setting up Ethernet communication}
 The next step is to configure U-boot and your workstation to let your

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