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[23.128.96.34]) by mx.google.com with ESMTPS id 36-20020a631564000000b00573fef93a87si16364843pgv.834.2023.09.27.12.40.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 12:40:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b="No/Cz9j3"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id 3338F8348DBE; Wed, 27 Sep 2023 00:20:10 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230011AbjI0HUD (ORCPT + 99 others); Wed, 27 Sep 2023 03:20:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229992AbjI0HT7 (ORCPT ); Wed, 27 Sep 2023 03:19:59 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E1F1192; Wed, 27 Sep 2023 00:19:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=CKWvCi3pssjKE1FCsQtfmBLbQMUs5oHya/7o8qVXlsI=; b=No/Cz9j3LyIqDGzlz022ssJXat 0kUyoH7LO1F/UtIfueVzW7lfbjl4kqrUnaeqs9AMDZAh1Ke2xwaWYj33Pc/ZHsMUiHeCpDAAw/wZ5 huJ04nKE22e8msJL5F/9GILmiA8p6jvdplF01ZT2HPyBFkOMl9jgwNtafedT5ddSTfM+1rqLUqKEY 7fGLTZBwg0u5e88Ht3tjxUoIl2TkKcACR7lwpYvSYPGWfieGH8tXugl97xuGOUV4o0DIOcEES9X+Y XW5zYnZiKhAYDRPWZxzARRB3m+RZGbEf7GsabFFcnQ45/M/SAIMF0LOagat6c3jonb5GKWnW7evEd qu7JWyUA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qlOpp-00CSZW-DI; Wed, 27 Sep 2023 07:19:49 +0000 Date: Wed, 27 Sep 2023 08:19:49 +0100 From: Matthew Wilcox To: dianlujitao@gmail.com Cc: Bagas Sanjaya , Chris Mason , Josef Bacik , David Sterba , Linux Kernel Mailing List , Linux btrfs , Linux Filesystem Development Subject: Re: Fwd: kernel bug when performing heavy IO operations Message-ID: References: <7d8b4679-5cd5-4ba1-9996-1a239f7cb1c5@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Wed, 27 Sep 2023 00:20:10 -0700 (PDT) On Wed, Sep 27, 2023 at 01:36:52PM +0800, dianlujitao@gmail.com wrote: > Hello, I got some logs with 6.5.4 kernel from the official linux package of > Arch, no zen patches this time. Full dmesg is uploaded to > https://fars.ee/F1yM and below is a small snippet for your convenience, from > which PG_offline is no longer set: > > [177850.039441] BUG: Bad page map in process ld.lld pte:8000000edacc4025 > pmd:147f96067 > [177850.039454] page:000000007415dd6c refcount:22 mapcount:-237 > mapping:00000000b0c37ca6 index:0x1075 pfn:0xedacc4 It still looks like memory corruption to me. If you go back to an older kernel (say 5.10 or 5.15) does the problem go away? It's not really dispositive either way, since a newer kernel might drive the hardware closer to the edge, but it might give some clue.