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[66.187.233.206]) by smtp.gmail.com with ESMTPSA id y6sm1334495qki.67.2019.06.14.05.15.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Jun 2019 05:15:41 -0700 (PDT) Message-ID: <1560514539.5154.20.camel@lca.pw> Subject: Re: LTP hugemmap05 test case failure on arm64 with linux-next (next-20190613) From: Qian Cai To: Will Deacon Cc: Catalin Marinas , Anshuman Khandual , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , linux-arm-kernel@lists.infradead.org Date: Fri, 14 Jun 2019 08:15:39 -0400 In-Reply-To: <20190614102017.GC10659@fuggles.cambridge.arm.com> References: <1560461641.5154.19.camel@lca.pw> <20190614102017.GC10659@fuggles.cambridge.arm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.007412, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, 2019-06-14 at 11:20 +0100, Will Deacon wrote: > Hi Qian, > > On Thu, Jun 13, 2019 at 05:34:01PM -0400, Qian Cai wrote: > > LTP hugemmap05 test case [1] could not exit itself properly and then degrade > > the > > system performance on arm64 with linux-next (next-20190613). The bisection > > so > > far indicates, > > > > BAD:  30bafbc357f1 Merge remote-tracking branch 'arm64/for-next/core' > > GOOD: 0c3d124a3043 Merge remote-tracking branch 'arm64-fixes/for-next/fixes' > > Did you finish the bisection in the end? Also, what config are you using > (you usually have something fairly esoteric ;)? No, it is still running. https://raw.githubusercontent.com/cailca/linux-mm/master/arm64.config