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[73.214.169.22]) by smtp.gmail.com with ESMTPSA id a10-20020a5b0aca000000b00d1dffdd7a97sm2250323ybr.57.2023.08.07.08.08.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Aug 2023 08:08:52 -0700 (PDT) Date: Mon, 7 Aug 2023 11:08:50 -0400 From: Brian Masney To: Mukesh Ojha Cc: Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, lkml , Trilok Soni , "open list:ARM/QUALCOMM SUPPORT" , linux-arm-kernel@lists.infradead.org, Alim Akhtar , Kukjin Kim , Vignesh Raghavendra , Nishanth Menon , Matthias Brugger Subject: Re: Feedback on Qualcomm's minidump (debug) solution for end user device crash Message-ID: References: <0199db00-1b1d-0c63-58ff-03efae02cb21@quicinc.com> <15caeb52-b670-9000-fa2b-b8d1b8485016@kernel.org> <81b15738-615d-a039-7bc3-22aa5b3a54bd@quicinc.com> MIME-Version: 1.0 In-Reply-To: <81b15738-615d-a039-7bc3-22aa5b3a54bd@quicinc.com> User-Agent: Mutt/2.2.9 (2022-11-12) X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230807_080859_670589_6BA57DD2 X-CRM114-Status: GOOD ( 26.66 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Mon, Aug 07, 2023 at 06:01:27PM +0530, Mukesh Ojha wrote: > 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/@Brian for extending the list. Hi Mukesh, Since no one has responded yet: I suspect your best bet to land the minidump functionality upstream is to refactor it to use the pstore functionality that Rob suggested: https://lore.kernel.org/lkml/CAL_JsqK7MHR09U5h01=Gf1ZLeDVCgZdN-W1hQRH3AX+E94_uUg@mail.gmail.com/ Brian