[bootlin/training-materials updates] master: slides: debugging: fix missing ARCH for decode_stacktraces.sh (f421aac9)

[Clément Léger]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/f421aac91ac81762d6d3ee607f5f22c7242c33d2

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

commit f421aac91ac81762d6d3ee607f5f22c7242c33d2
Author: Clément Léger <clement.leger at bootlin.com>
Date:   Fri Feb 3 16:39:16 2023 +0100

    slides: debugging: fix missing ARCH for decode_stacktraces.sh
    
    Signed-off-by: Clément Léger <clement.leger at bootlin.com>


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

f421aac91ac81762d6d3ee607f5f22c7242c33d2
 labs/debugging-kernel-debugging/debugging-kernel-debugging.tex   | 4 +++-
 slides/debugging-kernel-debugging/debugging-kernel-debugging.tex | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/labs/debugging-kernel-debugging/debugging-kernel-debugging.tex b/labs/debugging-kernel-debugging/debugging-kernel-debugging.tex
index eae8528c..936cc23a 100644
--- a/labs/debugging-kernel-debugging/debugging-kernel-debugging.tex
+++ b/labs/debugging-kernel-debugging/debugging-kernel-debugging.tex
@@ -136,7 +136,9 @@ Then, using the script provided by the kernel, execute the following command:
 
 \begin{bashinput}
 $ cd /home/$USER/debugging-labs/buildroot/output/build/linux-5.13/
-$ ./scripts/decode_stacktraces vmlinux < ~/debugging-labs/oops.txt
+$ export ARCH=arm
+$ export CROSS_COMPILE=/home/$USER/debugging-labs/buildroot/output/host/bin/arm-linux-
+$ ./scripts/decode_stacktraces.sh vmlinux < ~/debugging-labs/oops.txt
 \end{bashinput}
 
 \section{KGDB debugging}
diff --git a/slides/debugging-kernel-debugging/debugging-kernel-debugging.tex b/slides/debugging-kernel-debugging/debugging-kernel-debugging.tex
index 413b5429..b73233b2 100644
--- a/slides/debugging-kernel-debugging/debugging-kernel-debugging.tex
+++ b/slides/debugging-kernel-debugging/debugging-kernel-debugging.tex
@@ -112,8 +112,8 @@
       the vmlinux file.
     \item \code{./scripts/decode_stacktrace.sh vmlinux linux_source_path/ < oops_report.txt > decoded_oops.txt}
 
-    \item NOTE: \code{CROSS_COMPILE} should be set to obtain the correct
-      disassembly dump.
+    \item NOTE: \code{CROSS_COMPILE} and \code{ARCH} env var should be set to
+      obtain the correct disassembly dump.
   \end{itemize}
 \end{frame}