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[81.17.249.8]) by mx.google.com with ESMTPS id gz22si5361025ejb.181.2019.05.08.03.33.10 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 May 2019 03:33:11 -0700 (PDT) Received-SPF: pass (google.com: domain of mgorman@techsingularity.net designates 81.17.249.8 as permitted sender) client-ip=81.17.249.8; Authentication-Results: mx.google.com; spf=pass (google.com: domain of mgorman@techsingularity.net designates 81.17.249.8 as permitted sender) smtp.mailfrom=mgorman@techsingularity.net Received: from mail.blacknight.com (pemlinmail04.blacknight.ie [81.17.254.17]) by outbound-smtp02.blacknight.com (Postfix) with ESMTPS id 8DC9E98817 for ; Wed, 8 May 2019 10:33:10 +0000 (UTC) Received: (qmail 30530 invoked from network); 8 May 2019 10:33:10 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[37.228.225.79]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 8 May 2019 10:33:10 -0000 Date: Wed, 8 May 2019 11:33:08 +0100 From: Mel Gorman To: Dexuan Cui Cc: "linux-mm@kvack.org" , Andrew Morton , Kirill Tkhai , Michal Hocko , Johannes Weiner , Vladimir Davydov , Roman Gushchin , Hugh Dickins , Andrey Ryabinin , "dchinner@redhat.com" , Greg Thelen , Kuo-Hsin Yang Subject: Re: isolate_lru_pages(): kernel BUG at mm/vmscan.c:1689! Message-ID: <20190508103308.GF18914@techsingularity.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) 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 Wed, May 01, 2019 at 11:49:10PM +0000, Dexuan Cui wrote: > Hi, > Today I got the below BUG in isolate_lru_pages() when building the kernel. > > My current running kernel, which exhibits the BUG, is based on the mainline kernel's commit > 262d6a9a63a3 ("Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip"). > > Looks nobody else reported the issue recently. > That is missing some fixes that were merged for 5.1, particularly 6b0868c820ff ("mm/compaction.c: correct zone boundary handling when resetting pageblock skip hints"). Can you try reproducing this under 5.1 at least? -- Mel Gorman SUSE Labs