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=-7.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,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 6CA20C433E0 for ; Fri, 8 Jan 2021 18:16:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18A1A23A75 for ; Fri, 8 Jan 2021 18:16:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728184AbhAHSQI (ORCPT ); Fri, 8 Jan 2021 13:16:08 -0500 Received: from aserp2130.oracle.com ([141.146.126.79]:43920 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727429AbhAHSQH (ORCPT ); Fri, 8 Jan 2021 13:16:07 -0500 Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 108HwwOY004690; Fri, 8 Jan 2021 18:15:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=KiTw25sQnwXSQX+0iRD1HBB4uXxJXhd7Tk5XQ9JUJTE=; b=gTJvSGLjyueTzS8vgNsV+rpKJmQFk8fY+zb3p5ZDQqfAWD0TXtxr0+zcwpk/Z5f9BG5e VwNDwsqFMNUcseD6IEwkpfpSHYOITZNUp5dTFJF3GZJlV0Qbvj5cXNFfUWQ4mhZbb6Kh 7t601GM0mXU18dnI2cVo1qytEC2sUIBJA6/fu4DmcG+wxp0PxPmrBAwkqYTHm9KeCfXv FqcIB4Ec7M+DYaIHNVo1oCCjPzOaZ1lgAMjgQF/f8urKsNVcjV12MvAhvgmFwrWXDi2x SFEINWClUGqtHlOWAU9dapkOdg1gHd2jiFKW+9gf1IC+ZJpceqxWihAQYrpFIpewNTLj zg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2130.oracle.com with ESMTP id 35wcuy2pbg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 08 Jan 2021 18:15:08 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 108I0wFn081682; Fri, 8 Jan 2021 18:15:08 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 35v1fcvpaa-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 08 Jan 2021 18:15:08 +0000 Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 108IF6J1019818; Fri, 8 Jan 2021 18:15:06 GMT Received: from [10.159.230.21] (/10.159.230.21) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 08 Jan 2021 18:15:05 +0000 Subject: Re: [RFC PATCH v3 0/9] fsdax: introduce fs query to support reflink To: Ruan Shiyang , "Darrick J. Wong" 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, dan.j.williams@intel.com, david@fromorbit.com, hch@lst.de, song@kernel.org, rgoldwyn@suse.de, qi.fuli@fujitsu.com, y-goto@fujitsu.com References: <20201215121414.253660-1-ruansy.fnst@cn.fujitsu.com> <7fc7ba7c-f138-4944-dcc7-ce4b3f097528@oracle.com> <20201218034907.GG6918@magnolia> <16ac8000-2892-7491-26a0-84de4301f168@cn.fujitsu.com> From: Jane Chu Organization: Oracle Corporation Message-ID: Date: Fri, 8 Jan 2021 10:14:58 -0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <16ac8000-2892-7491-26a0-84de4301f168@cn.fujitsu.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9858 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 phishscore=0 suspectscore=0 spamscore=0 bulkscore=0 adultscore=0 mlxscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101080099 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9858 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 bulkscore=0 clxscore=1011 spamscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 adultscore=0 mlxlogscore=999 lowpriorityscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101080099 Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hi, Shiyang, On 12/18/2020 1:13 AM, Ruan Shiyang wrote: >>>> >>>> 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... Yes, thanks Darrick. > > OK.  Let me try it and figure out what's wrong in it. I injected poison via "ndctl inject-error", not expecting it made any difference though. Any luck? thanks, -jane