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Message-ID: <15caeb52-b670-9000-fa2b-b8d1b8485016@kernel.org>
Date:   Sun, 30 Jul 2023 13:44:22 +0200
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Subject: Re: Feedback on Qualcomm's minidump (debug) solution for end user
 device crash
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To:     Brian Masney <bmasney@redhat.com>,
        Mukesh Ojha <quic_mojha@quicinc.com>
Cc:     linux-samsung-soc@vger.kernel.org,
        linux-mediatek@lists.infradead.org,
        lkml <linux-kernel@vger.kernel.org>,
        Trilok Soni <quic_tsoni@quicinc.com>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@vger.kernel.org>,
        linux-arm-kernel@lists.infradead.org,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Kukjin Kim <kgene@kernel.org>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        Nishanth Menon <nm@ti.com>,
        Matthias Brugger <matthias.bgg@gmail.com>
References: <0199db00-1b1d-0c63-58ff-03efae02cb21@quicinc.com>
 <ZL6t/sZTZBfvSYOm@brian-x1>
From:   Krzysztof Kozlowski <krzk@kernel.org>
In-Reply-To: <ZL6t/sZTZBfvSYOm@brian-x1>
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On 24/07/2023 18:59, Brian Masney wrote:
> + linux-arm-kernel list
> 
> On Thu, Jul 20, 2023 at 08:32:24PM +0530, Mukesh Ojha wrote:
>> Hi Samsung/MTK/Any other SOC vendors,
>>
>> This is to bring to your notice that, we (Qualcomm) are working on
>> upstreaming our minidump solution which is to address the problem of
>> debugging on field device crashes where collecting entire ddr dump
>> would not be feasible and collecting minimal data from the ddr would
>> help in debug direction or even help in root causing issue.
>>
>> We have recently posted v4 version here [1]
>>
>> Based on comments[2], community is more worried about, if each SOC
>> vendor come up with their own dumping method today or in future and
>> whether it can have a common solution to a similar problem faced by
>> other SOC vendor.
>>
>> We wanted to take your feedback if you also encounter a similar problem
>> or maintain something similar solution in downstream which can be
>> upstreamed. This will help us in a way to have a common solution in
>> upstream.
>>
>> [1]
>> https://lore.kernel.org/lkml/10dd2ead-758a-89f0-cda4-70ae927269eb@quicinc.com/
>>
>> [2]
>> https://lore.kernel.org/lkml/CAL_JsqLO9yey2-4FcWsaGxijiS6hGL0SH9VoMuiyei-u9=Cv=w@mail.gmail.com/
> 
> Adding the main ARM list to solicit feedback from other silicon
> manufacturers.
> 
> The cover sheet on the v4 patch set is available at:
> https://lore.kernel.org/lkml/1687955688-20809-1-git-send-email-quic_mojha@quicinc.com/

I doubt anyone follows the lists, so at least Cc some maintainers.

+Cc Alim, Kukjin, Vignesh, Nishanth, Matthias.

Best regards,
Krzysztof