From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26255C4361B for ; Fri, 18 Dec 2020 09:15:23 +0000 (UTC) Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 37D0823A7B for ; Fri, 18 Dec 2020 09:15:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 37D0823A7B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=cn.fujitsu.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvdimm-bounces@lists.01.org Received: from ml01.vlan13.01.org (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 8A194100EC1CE; Fri, 18 Dec 2020 01:15:21 -0800 (PST) Received-SPF: None (mailfrom) identity=mailfrom; client-ip=183.91.158.132; helo=heian.cn.fujitsu.com; envelope-from=ruansy.fnst@cn.fujitsu.com; receiver= Received: from heian.cn.fujitsu.com (mail.cn.fujitsu.com [183.91.158.132]) by ml01.01.org (Postfix) with ESMTP id 5F656100EE8C6 for ; Fri, 18 Dec 2020 01:15:19 -0800 (PST) X-IronPort-AV: E=Sophos;i="5.78,430,1599494400"; d="scan'208";a="102711642" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 18 Dec 2020 17:15:17 +0800 Received: from G08CNEXMBPEKD05.g08.fujitsu.local (unknown [10.167.33.204]) by cn.fujitsu.com (Postfix) with ESMTP id 61E5048990D2; Fri, 18 Dec 2020 17:15:15 +0800 (CST) Received: from irides.mr (10.167.225.141) by G08CNEXMBPEKD05.g08.fujitsu.local (10.167.33.204) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 18 Dec 2020 17:15:15 +0800 Subject: Re: [RFC PATCH v3 0/9] fsdax: introduce fs query to support reflink To: "Darrick J. Wong" References: <20201215121414.253660-1-ruansy.fnst@cn.fujitsu.com> <7fc7ba7c-f138-4944-dcc7-ce4b3f097528@oracle.com> <20201218034907.GG6918@magnolia> From: Ruan Shiyang Message-ID: <16ac8000-2892-7491-26a0-84de4301f168@cn.fujitsu.com> Date: Fri, 18 Dec 2020 17:13:23 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: <20201218034907.GG6918@magnolia> Content-Language: en-US X-Originating-IP: [10.167.225.141] X-ClientProxiedBy: G08CNEXCHPEKD06.g08.fujitsu.local (10.167.33.205) To G08CNEXMBPEKD05.g08.fujitsu.local (10.167.33.204) X-yoursite-MailScanner-ID: 61E5048990D2.AA872 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@cn.fujitsu.com Message-ID-Hash: VODWHXKZUGBYMXKUQJ3OBJKNESVMUHMD X-Message-ID-Hash: VODWHXKZUGBYMXKUQJ3OBJKNESVMUHMD X-MailFrom: ruansy.fnst@cn.fujitsu.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header CC: linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-raid@vger.kernel.org, david@fromorbit.com, hch@lst.de, song@kernel.org, rgoldwyn@suse.de, qi.fuli@fujitsu.com, y-goto@fujitsu.com X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." 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Wong" CC: Jane Chu , , , , , , , , , , , , , References: <20201215121414.253660-1-ruansy.fnst@cn.fujitsu.com> <7fc7ba7c-f138-4944-dcc7-ce4b3f097528@oracle.com> <20201218034907.GG6918@magnolia> From: Ruan Shiyang Message-ID: <16ac8000-2892-7491-26a0-84de4301f168@cn.fujitsu.com> Date: Fri, 18 Dec 2020 17:13:23 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: <20201218034907.GG6918@magnolia> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [10.167.225.141] X-ClientProxiedBy: G08CNEXCHPEKD06.g08.fujitsu.local (10.167.33.205) To G08CNEXMBPEKD05.g08.fujitsu.local (10.167.33.204) X-yoursite-MailScanner-ID: 61E5048990D2.AA872 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@cn.fujitsu.com Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org On 2020/12/18 上午11:49, Darrick J. Wong wrote: > On Fri, Dec 18, 2020 at 10:44:26AM +0800, Ruan Shiyang wrote: >> >> >> On 2020/12/17 上午4:55, Jane Chu wrote: >>> Hi, Shiyang, >>> >>> On 12/15/2020 4:14 AM, Shiyang Ruan wrote: >>>> The call trace is like this: >>>> memory_failure() >>>> pgmap->ops->memory_failure() => pmem_pgmap_memory_failure() >>>> gendisk->fops->corrupted_range() => - pmem_corrupted_range() >>>> - md_blk_corrupted_range() >>>> sb->s_ops->currupted_range() => xfs_fs_corrupted_range() >>>> xfs_rmap_query_range() >>>> xfs_currupt_helper() >>>> * corrupted on metadata >>>> try to recover data, call xfs_force_shutdown() >>>> * corrupted on file data >>>> try to recover data, call mf_dax_mapping_kill_procs() >>>> >>>> The fsdax & reflink support for XFS is not contained in this patchset. >>>> >>>> (Rebased on v5.10) >>> >>> So I tried the patchset with pmem error injection, the SIGBUS payload >>> does not look right - >>> >>> ** SIGBUS(7): ** >>> ** si_addr(0x(nil)), si_lsb(0xC), si_code(0x4, BUS_MCEERR_AR) ** >>> >>> I expect the payload looks like >>> >>> ** si_addr(0x7f3672e00000), si_lsb(0x15), si_code(0x4, BUS_MCEERR_AR) ** >> >> Thanks for testing. I test the SIGBUS by writing a program which calls >> madvise(... ,MADV_HWPOISON) to inject memory-failure. It just shows that >> the program is killed by SIGBUS. I cannot get any detail from it. So, >> could you please show me the right way(test tools) to test it? > > I'm assuming that Jane is using a program that calls sigaction to > install a SIGBUS handler, and dumps the entire siginfo_t structure > whenever it receives one... OK. Let me try it and figure out what's wrong in it. -- Thanks, Ruan Shiyang. > > --D > >> >> -- >> Thanks, >> Ruan Shiyang. >> >>> >>> thanks, >>> -jane >>> >>> >>> >>> >>> >>> >> >> > >