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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 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 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, Shiyang, On 12/18/2020 1:13 AM, Ruan Shiyang wrote: >>>> >>>> So I tried the patchset with pmem error injection, the SIGBUS payloa= d >>>> 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,=20 >>>> BUS_MCEERR_AR) ** >>> >>> Thanks for testing.=C2=A0 I test the SIGBUS by writing a program whic= h calls >>> madvise(... ,MADV_HWPOISON) to inject memory-failure.=C2=A0 It just s= hows=20 >>> that >>> the program is killed by SIGBUS.=C2=A0 I cannot get any detail from i= t.=C2=A0 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. >=20 > OK.=C2=A0 Let me try it and figure out what's wrong in it. I injected poison via "ndctl inject-error", not expecting it made any=20 difference though. Any luck? thanks, -jane