linux-kernel - Re: Feedback on Qualcomm's minidump (debug) solution for end user device crash

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Message-ID: <81b15738-615d-a039-7bc3-22aa5b3a54bd@quicinc.com>
Date:   Mon, 7 Aug 2023 18:01:27 +0530
From:   Mukesh Ojha <quic_mojha@...cinc.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Brian Masney <bmasney@...hat.com>
CC:     <linux-samsung-soc@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Kukjin Kim <kgene@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Nishanth Menon <nm@...com>,
        Matthias Brugger <matthias.bgg@...il.com>
Subject: Re: Feedback on Qualcomm's minidump (debug) solution for end user
 device crash



On 7/30/2023 5:14 PM, Krzysztof Kozlowski wrote:
> 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.

Thanks @Krzysztof/@...an for extending the list.

-Mukesh
> 
> Best regards,
> Krzysztof
>