linux-kernel - [drm/i915] 37bedbd445: suspend-stress.fail

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Message-ID: <20200914075313.GA28738@shao2-debian>
Date:   Mon, 14 Sep 2020 15:53:13 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     dri-devel@...ts.freedesktop.org, Jingoo Han <jingoohan1@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Manasi Navare <manasi.d.navare@...el.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Wambui Karuga <wambui.karugax@...il.com>,
        0day robot <lkp@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        rui.zhang@...el.com, yu.c.chen@...el.com
Subject: [drm/i915] 37bedbd445: suspend-stress.fail

Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 37bedbd445a62cfca3ceb2d0195df33074cbd030 ("[PATCH v2 22/24] drm/i915: Backlight update")
url: https://github.com/0day-ci/linux/commits/Sam-Ravnborg/backlight-add-init-macros-and-accessors/20200823-185007
base: https://git.kernel.org/cgit/linux/kernel/git/lee/backlight.git for-backlight-next

in testcase: suspend-stress
version: 
with following parameters:

	mode: freeze
	iterations: 10



on test machine: 8 threads Kaby Lake-R with 8G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>


This commit log:
test started

Parent commit log:
SUSPEND RESUME TEST STARTED
Suspend to freeze 1/10:
/usr/bin/wget -q --timeout=1800 --tries=1 --local-encoding=UTF-8
http://inn:80/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/jobs/scheduled/lkp-kblr-hp1/suspend-stress-10-freeze-debian-x86_64-20180403.cgz-fe44d81bbc1a305a17ff6e57d103f5e94a3be276-20200828-4612-gqwcy-0.yaml&job_state=suspending-1/10
-O /dev/null
Done
Sleep for 10 seconds
...


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Rong Chen


View attachment "config-5.8.0-rc1-00056-g37bedbd445a62c" of type "text/plain" (169337 bytes)

View attachment "job-script" of type "text/plain" (4963 bytes)

View attachment "suspend-stress" of type "text/plain" (13 bytes)

View attachment "job.yaml" of type "text/plain" (3871 bytes)

View attachment "parent-suspend-stress" of type "text/plain" (3719 bytes)