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Mon, 07 Aug 2023 12:31:39 +0000 Received: from nasanex01c.na.qualcomm.com (nasanex01c.na.qualcomm.com [10.45.79.139]) by NASANPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 377CVdru003542 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 7 Aug 2023 12:31:39 GMT Received: from [10.214.66.81] (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Mon, 7 Aug 2023 05:31:35 -0700 Message-ID: <81b15738-615d-a039-7bc3-22aa5b3a54bd@quicinc.com> Date: Mon, 7 Aug 2023 18:01:27 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: Feedback on Qualcomm's minidump (debug) solution for end user device crash To: Krzysztof Kozlowski , Brian Masney CC: , , lkml , Trilok Soni , "open list:ARM/QUALCOMM SUPPORT" , , Alim Akhtar , Kukjin Kim , Vignesh Raghavendra , Nishanth Menon , Matthias Brugger References: <0199db00-1b1d-0c63-58ff-03efae02cb21@quicinc.com> <15caeb52-b670-9000-fa2b-b8d1b8485016@kernel.org> Content-Language: en-US From: Mukesh Ojha In-Reply-To: <15caeb52-b670-9000-fa2b-b8d1b8485016@kernel.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 7NUSzpeiHBwBl3kjaqMRKkjROOgAmd4j X-Proofpoint-GUID: 7NUSzpeiHBwBl3kjaqMRKkjROOgAmd4j X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-07_12,2023-08-03_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 mlxscore=0 bulkscore=0 impostorscore=0 mlxlogscore=651 suspectscore=0 spamscore=0 lowpriorityscore=0 clxscore=1011 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308070116 X-Spam-Status: No, score=-3.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. -Mukesh > > Best regards, > Krzysztof >