[FE training-materials-updates] kernel-debugging: earlyprintk is for ARM

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Mon Mar 3 14:08:17 CET 2014


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

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=aaa078811770502cbf4c40865e80d9360e81f8d0

>---------------------------------------------------------------

commit aaa078811770502cbf4c40865e80d9360e81f8d0
Author: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Date:   Mon Mar 3 14:07:50 2014 +0100

    kernel-debugging: earlyprintk is for ARM
    
    Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>


>---------------------------------------------------------------

aaa078811770502cbf4c40865e80d9360e81f8d0
 .../kernel-driver-development-debugging.tex        |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex b/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex
index 595f980..3c5cc36 100644
--- a/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex
+++ b/slides/kernel-driver-development-debugging/kernel-driver-development-debugging.tex
@@ -254,10 +254,10 @@
     \item To get oops messages with symbol names instead of raw addresses
     \item This obsoletes the \code{ksymoops} tool
     \end{itemize}
-  \item If your kernel doesn't boot yet or hangs without any message,
-    you can activate early debugging options (\code{CONFIG_DEBUG_LL} and
-    \code{CONFIG_EARLYPRINTK}), and add \code{earlyprintk} to the kernel
-    command line.
+  \item On ARM, if your kernel doesn't boot or hangs without any
+    message, you can activate early debugging options
+    (\code{CONFIG_DEBUG_LL} and \code{CONFIG_EARLYPRINTK}), and add
+    \code{earlyprintk} to the kernel command line.
   \item Techniques to locate the C instruction which caused an oops:
     \url{http://j.mp/18oMRHx}
   \end{itemize}



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