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Tue, 15 Sep 2020 16:31:27 +0000 (GMT) Received: from [9.199.38.191] (unknown [9.199.38.191]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 15 Sep 2020 16:31:27 +0000 (GMT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.15\)) Subject: Re: [5.9.0-rc5-20200914] Kernel crash while running LTP(mlock201) From: Sachin Sant In-Reply-To: <20200915130907.GE5449@casper.infradead.org> Date: Tue, 15 Sep 2020 22:01:26 +0530 Content-Transfer-Encoding: quoted-printable Message-Id: References: <3DCED508-4DC0-42AA-9CFF-3AB260ED1E9A@linux.vnet.ibm.com> <87o8m7p9jd.fsf@mpe.ellerman.id.au> <20200915130907.GE5449@casper.infradead.org> To: Matthew Wilcox X-Mailer: Apple Mail (2.3445.104.15) X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-15_11:2020-09-15, 2020-09-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 adultscore=0 phishscore=0 spamscore=0 bulkscore=0 suspectscore=0 priorityscore=1501 lowpriorityscore=0 malwarescore=0 mlxlogscore=776 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009150130 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-next@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" > On 15-Sep-2020, at 6:39 PM, Matthew Wilcox = wrote: >=20 > On Tue, Sep 15, 2020 at 09:24:38PM +1000, Michael Ellerman wrote: >> Sachin Sant writes: >>> While running LTP tests (specifically mlock201) against = next-20200914 tree >>> on a POWER9 LPAR results in following crash. >>=20 >> Looks the same as: >>=20 >> https://lore.kernel.org/linux-mm/20200914085545.GB28738@shao2-debian/ >=20 > = https://lore.kernel.org/linux-mm/20200914112738.GM6583@casper.infradead.or= g/ Thanks. The patch fixes the problem for me. Tested-by: Sachin Sant thanks -Sachin