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[209.85.220.41]) by mx.google.com with SMTPS id o19sor32897381vsj.101.2019.07.29.23.38.58 for (Google Transport Security); Mon, 29 Jul 2019 23:38:58 -0700 (PDT) Received-SPF: pass (google.com: domain of liwan@redhat.com designates 209.85.220.41 as permitted sender) client-ip=209.85.220.41; Authentication-Results: mx.google.com; spf=pass (google.com: domain of liwan@redhat.com designates 209.85.220.41 as permitted sender) smtp.mailfrom=liwan@redhat.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com X-Google-Smtp-Source: APXvYqxTaXCo8HfKzgnLPYngAW21qtWV0zeFT3LEZ+4DgUH+NuXUKisFrHkbdsBVDEC7V+kJsHNXIpJLgbqFwt+pcjg= X-Received: by 2002:a67:fc45:: with SMTP id p5mr10012189vsq.179.1564468738016; Mon, 29 Jul 2019 23:38:58 -0700 (PDT) MIME-Version: 1.0 References: <47999e20-ccbe-deda-c960-473db5b56ea0@oracle.com> In-Reply-To: <47999e20-ccbe-deda-c960-473db5b56ea0@oracle.com> From: Li Wang Date: Tue, 30 Jul 2019 14:38:47 +0800 Message-ID: Subject: =?UTF-8?Q?Re=3A_=5BMM_Bug=3F=5D_mmap=28=29_triggers_SIGBUS_while_doing_the?= =?UTF-8?Q?=E2=80=8B_=E2=80=8Bnuma=5Fmove=5Fpages=28=29_for_offlined_hugepage_in_background?= To: Mike Kravetz Cc: Naoya Horiguchi , Linux-MM , LTP List , xishi.qiuxishi@alibaba-inc.com, mhocko@kernel.org, Cyril Hrubis Content-Type: text/plain; charset="UTF-8" X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jul 30, 2019 at 3:01 AM Mike Kravetz wrote: ... > Something seems strange. I can not reproduce with unmodified 5.2.3 > > [root@f23d move_pages]# uname -r > 5.2.3 > [root@f23d move_pages]# PATH=$PATH:$PWD ./move_pages12 > tst_test.c:1096: INFO: Timeout per run is 0h 05m 00s > move_pages12.c:201: INFO: Free RAM 6725424 kB > move_pages12.c:219: INFO: Increasing 2048kB hugepages pool on node 0 to 4 > move_pages12.c:229: INFO: Increasing 2048kB hugepages pool on node 1 to 4 > move_pages12.c:145: INFO: Allocating and freeing 4 hugepages on node 0 > move_pages12.c:145: INFO: Allocating and freeing 4 hugepages on node 1 > move_pages12.c:135: PASS: Bug not reproduced > > Summary: > passed 1 > failed 0 > skipped 0 > warnings 0 FYI: And, from your test log, it looks like you were running an old LTP version, the test#2 was added in move_page12 in the latest master branch. So, the completely test log should be included two-part: # ./move_pages12 tst_test.c:1100: INFO: Timeout per run is 0h 05m 00s move_pages12.c:252: INFO: Free RAM 63759028 kB move_pages12.c:270: INFO: Increasing 2048kB hugepages pool on node 0 to 4 move_pages12.c:280: INFO: Increasing 2048kB hugepages pool on node 1 to 6 move_pages12.c:196: INFO: Allocating and freeing 4 hugepages on node 0 move_pages12.c:196: INFO: Allocating and freeing 4 hugepages on node 1 move_pages12.c:186: PASS: Bug not reproduced move_pages12.c:186: PASS: Bug not reproduced Summary: passed 2 failed 0 skipped 0 warnings 0 -- Regards, Li Wang