Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp4019450yba; Tue, 7 May 2019 10:45:12 -0700 (PDT) X-Google-Smtp-Source: APXvYqyuF1GnnyGba0RAJ5ynLC9I5lsTa97K+9Z9+NugsE4g5K4gLi/DJTuoJI/DHl4TendlGIpU X-Received: by 2002:aa7:8453:: with SMTP id r19mr42704075pfn.44.1557251112123; Tue, 07 May 2019 10:45:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557251112; cv=none; d=google.com; s=arc-20160816; b=fjXRZVd7rm2TOPknBBgTb0/eYQoUxXkCADtSQ1pll8yoOZdGhUqBgTHvLOlJ/R0Ol9 rUih3iUizZaO+jsO5oIy8IH77dYJ2fNhljJYsthlUmXN7v0XSdrlk533el5tZRyn0ua9 Oxr+e8celsfWKV8dA0FQh98/UU6T/kptN92J3GM10eWolI9wboX/JUpTLtWZqO2Awxq3 z4VqUXrCwTY6WklAs+UGDz0OCBV4ryQErFnd+M1h8Tb4RHsLakbm5/q10PowtYrlNNQL 9Ed0Yuj5wK1VRSMhKM4JbRh0kZtzusk5WyTL9aelW2itWJf8Kacn8VUV2hq87XoPNkL7 iEPQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=ZZxk8tQMkK3s29Z2fmFVRRB9wR3R7FsLWTrCEkhAUds=; b=HnSKTKDbxf3LoiquTf2OeSBLSoPBULo9FG4McOF4ywbevQ4/q9jMURsicSLZjDUQZt y/5WjJUlao0UVV4yFgwCADoN+cU5vsDE5fLH5XLUX2nSon19v2YwwlnmLSn+hwNZDwmU yVEM9LvUjjiYBr6ev7eWyfMKCZxQCSQiytdfSZcoqJmhXXZAI2G+0uLo5qvII+qopohM Hz6fNmmxdVa8oTuoOgFFWupc+k+cko/RqFg5hdSCCsJAMUcEmvk8Ptjez9iIRJIdZRs7 pO72XCrypizpLOy38u4r+uzKtpgriGOikyhu2uOcOjsd52CAF7VjXrYIC5f+XlyFisaL YSCA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v22si18741976pff.62.2019.05.07.10.44.56; Tue, 07 May 2019 10:45:12 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727507AbfEGRn7 (ORCPT + 99 others); Tue, 7 May 2019 13:43:59 -0400 Received: from mga17.intel.com ([192.55.52.151]:4467 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726522AbfEGRn6 (ORCPT ); Tue, 7 May 2019 13:43:58 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 May 2019 10:43:58 -0700 Received: from unknown (HELO [10.232.112.171]) ([10.232.112.171]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/AES256-SHA; 07 May 2019 10:43:57 -0700 Subject: Re: [PATCH v2 0/7] nvme-pci: support device coredump To: Akinobu Mita , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Jens Axboe , Sagi Grimberg , Keith Busch , Minwoo Im , Johannes Berg , Christoph Hellwig References: <1557248314-4238-1-git-send-email-akinobu.mita@gmail.com> From: "Heitke, Kenneth" Message-ID: <99ac233a-e8d6-495b-5ec9-f7067fa40c4b@intel.com> Date: Tue, 7 May 2019 11:43:56 -0600 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1557248314-4238-1-git-send-email-akinobu.mita@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/7/2019 10:58 AM, Akinobu Mita wrote: > This enables to capture snapshot of controller information via device > coredump machanism, and it helps diagnose and debug issues. s/machanism/mechanism/ > > The nvme device coredump is triggered when command timeout occurs, and > creates the following coredump files. > > - regs: NVMe controller registers (00h to 4Fh) > - sq: Submission queue > - cq: Completion queue > - telemetry-ctrl-log: Telemetry controller-initiated log (if available) > - data: Empty