netdev - Re: [PATCH v7 00/11] Stop monitoring disabled devices

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Date:   Thu, 2 Jul 2020 15:47:38 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Andrzej Pietrasiewicz <andrzej.p@...labora.com>,
        linux-pm@...r.kernel.org, linux-acpi@...r.kernel.org,
        netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-renesas-soc@...r.kernel.org,
        linux-rockchip@...ts.infradead.org
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Vishal Kulkarni <vishal@...lsio.com>,
        "David S . Miller" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Johannes Berg <johannes.berg@...el.com>,
        Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
        Luca Coelho <luciano.coelho@...el.com>,
        Intel Linux Wireless <linuxwifi@...el.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Peter Kaestle <peter@...e.net>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Sebastian Reichel <sre@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Support Opensource <support.opensource@...semi.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Niklas Söderlund <niklas.soderlund@...natech.se>,
        Heiko Stuebner <heiko@...ech.de>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Allison Randal <allison@...utok.net>,
        Enrico Weigelt <info@...ux.net>,
        Gayatri Kammela <gayatri.kammela@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        kernel@...labora.com
Subject: Re: [PATCH v7 00/11] Stop monitoring disabled devices

On 01/07/2020 12:23, Andrzej Pietrasiewicz wrote:
> Hi,
> 
> W dniu 30.06.2020 o 20:33, Daniel Lezcano pisze:
>> On 30/06/2020 18:56, Andrzej Pietrasiewicz wrote:
>>> Hi,
>>>
>>> W dniu 30.06.2020 o 17:53, Daniel Lezcano pisze:
>>>> On 30/06/2020 17:29, Andrzej Pietrasiewicz wrote:
>>>>> Hi Daniel,
>>>>>
>>>>> W dniu 30.06.2020 o 16:53, Daniel Lezcano pisze:
>>>>>> On 30/06/2020 15:43, Andrzej Pietrasiewicz wrote:
>>>>>>> Hi Daniel,
>>>>>>>
>>>>>>> I am reading the logs and can't find anything specific to thermal.
>>>>>>>
>>>>>>> What I can see is
>>>>>>>
>>>>>>> "random: crng init done"
>>>>>>>
>>>>>>> with large times (~200s) and then e.g.
>>>>>>>
>>>>>>> 'auto-login-action timed out after 283 seconds'
>>>>>>>
>>>>>>> I'm looking at e.g.
>>>>>>> https://storage.kernelci.org/thermal/testing/v5.8-rc3-11-gf5e50bf4d3ef/arm/multi_v7_defconfig/gcc-8/lab-baylibre/baseline-imx6q-sabrelite.html
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>
>>>>> f5e50bf4d3ef is PATCH 11/11. Does the problem happen at PATCH 1-10/11?
>>>>> PATCH 11/11 renames a method and the code compiles, so it seems
>>>>> unlikely that this is causing problems. One should never say never,
>>>>> though ;)
>>>>
>>>> The sha1 is just the HEAD for the kernel reference. The regression
>>>> happens with your series, somewhere.
>>>>
>>>>> The reported failure is not due to some test failing but rather due
>>>>> to timeout logging into the test system. Could it be that there is
>>>>> some other problem?
>>>>
>>>> I did reproduce:
>>>>
>>>> v5.8-rc3 + series => imx6 hang at boot time
>>>> v5.8-rc3 => imx6 boots correctly

So finally I succeeded to reproduce it on my imx7 locally. The sensor
was failing to initialize for another reason related to the legacy
cooling device, this is why it is not appearing on the imx7.

I can now git-bisect :)



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