linux-kernel - [PATCH] drm/ci: Default to UART for logging

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Date:   Fri,  6 Oct 2023 10:32:04 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     Emma Anholt <emma@...olt.net>,
        Helen Koike <helen.koike@...labora.com>,
        Rob Clark <robdclark@...omium.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] drm/ci: Default to UART for logging

From: Rob Clark <robdclark@...omium.org>

ssh logging is the default for mesa, as it is generally more reliable.
But if there are kernel issues, especially at boot, UART logging is
infinitely more useful.

Signed-off-by: Rob Clark <robdclark@...omium.org>
---
 drivers/gpu/drm/ci/gitlab-ci.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/ci/gitlab-ci.yml b/drivers/gpu/drm/ci/gitlab-ci.yml
index 2c4df53f5dfe..7c55f02f7313 100644
--- a/drivers/gpu/drm/ci/gitlab-ci.yml
+++ b/drivers/gpu/drm/ci/gitlab-ci.yml
@@ -27,6 +27,12 @@ variables:
 
   LAVA_JOB_PRIORITY: 30
 
+  # Default to UART logging.  Mesa uses ssh by default, as that is more
+  # reliable if you have a stable kernel.  But kernel CI is more likely
+  # to encounter unstable kernels (and has lower volume of CI jobs so is
+  # less likely to be troubled by occasional UART flakes)
+  LAVA_FORCE_UART: 1
+
 default:
   before_script:
     - export SCRIPTS_DIR=$(mktemp -d)
-- 
2.41.0