From ce8da5033a7a4ccd8f23ab02f3e11df10cd420e9 Mon Sep 17 00:00:00 2001
From: Emma Anholt <emma@anholt.net>
Date: Fri, 20 Mar 2026 09:05:38 -0700
Subject: [PATCH] ci/lava: Add a note about an otherwise-mysterious error you
 can encounter.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40959>
---
 .gitlab-ci/lava/lava-submit.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.gitlab-ci/lava/lava-submit.sh b/.gitlab-ci/lava/lava-submit.sh
index abc38246a42..d638889a1a9 100755
--- a/.gitlab-ci/lava/lava-submit.sh
+++ b/.gitlab-ci/lava/lava-submit.sh
@@ -48,6 +48,8 @@ tail -f results/lava.log &
 set -x
 
 # List of optional overlays
+# NOTE: If you encounter "Attempted path traversal in tar file at /dev/ttyS1",
+# that is an indication that one of your rootfs and overlays contain a duplicate file.
 LAVA_EXTRA_OVERLAYS=()
 if [ -n "${LAVA_FIRMWARE:-}" ]; then
     for fw in $LAVA_FIRMWARE; do