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

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Date:   Mon, 24 Jul 2023 12:59:42 -0400
From:   Brian Masney <bmasney@...hat.com>
To:     Mukesh Ojha <quic_mojha@...cinc.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
Subject: Re: Feedback on Qualcomm's minidump (debug) solution for end user
 device crash

+ 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/

Brian