Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp310662rwb; Wed, 14 Dec 2022 17:52:39 -0800 (PST) X-Google-Smtp-Source: AMrXdXswypBIEkJggpASQQ8BdJ26USWgo58Cl/TFsFZZA7piUJ29D875TAgQPKxjoBS2lnmUEDbq X-Received: by 2002:aa7:d758:0:b0:472:9af1:163f with SMTP id a24-20020aa7d758000000b004729af1163fmr3587836eds.37.1671069159592; Wed, 14 Dec 2022 17:52:39 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1671069159; cv=none; d=google.com; s=arc-20160816; b=iPIkICx/+pO+rioQ4zMbzvhvIwr/FafE64Z0yK66LelDSe/6exBspyt6PjuGmK5d5h 4jbMejAHtaWLcB3s0URO6d/R557EGjL/wcxWkxV9/arGwigNIMunE9K2mLH+raRS9ZrG chpanzWpYnfeqj/LK/d1KRbxeE8uUi45h0XyCQtgWipUfiFk9Krv29m6E8Hg3xnMwCko UfkjU39dTXsomPi2NeHnErO7FoGYncfQvSwFv/ZCMhB+ZkpQ8FiT6yT/3Er4pERBhKiH RQW/Osej72gIcsMwM2jzjl/l3ZzSOBdSnF8ljbKFETf7JudS9IXBoIj8hJtwTCl0J6/x wmfw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:to:content-language:subject:cc:user-agent:mime-version :date:message-id; bh=L/t/ce9pPeoDuvctT1bQSd/VNv0dblci5prP9cYaTks=; b=Ig6B7H+d1pCWDGNuAyz8i3nDfnfFEzaZjQDlQ43y1pzccLxTeNBWspRbBEVQ44n+p9 /vTzvVW4pOwn1T06KxTFWkkm/XusAQEOZx6NMxhXRkurOYwEadtgG8IjX3PQ7HQwo2iW YLIRMJOmSplIbAOTHAl0Dwv8VUwIfbugcQQpAYbtrk6A5VWbaYZqYcNPXexCT1kiG0tT 9FtmdmUn9gGoTFb5e2sQHhfLplHfDXFQjdawt2tXo7Eq0ZBR0m/Ep0B5LaAQsmDVKKBq ruVHdNkeMQ/m1DGk00NRcFAIAfhDUXuWkpNYCQh2jQZvwiE0iXSbmUdu2SJHMhJEaOce anIw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id m6-20020a056402510600b00461a144e981si16945561edd.356.2022.12.14.17.51.58; Wed, 14 Dec 2022 17:52:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229620AbiLOBe2 (ORCPT + 70 others); Wed, 14 Dec 2022 20:34:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229613AbiLOBeZ (ORCPT ); Wed, 14 Dec 2022 20:34:25 -0500 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A724227DE0 for ; Wed, 14 Dec 2022 17:34:24 -0800 (PST) Received: from dggpemm500014.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4NXZW66g8qzlXd9; Thu, 15 Dec 2022 09:33:22 +0800 (CST) Received: from [10.174.178.120] (10.174.178.120) by dggpemm500014.china.huawei.com (7.185.36.153) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Thu, 15 Dec 2022 09:34:22 +0800 Message-ID: Date: Thu, 15 Dec 2022 09:34:22 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.2 CC: , , , , , , Subject: Re: [Qestion] UCE on pud-sized hugepage lead to kernel panic on lts5.10 Content-Language: en-US To: References: <2b4d03bc-2b6e-45b0-655a-58b66672187e@huawei.com> From: mawupeng In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.178.120] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500014.china.huawei.com (7.185.36.153) X-CFilter-Loop: Reflected X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,NICE_REPLY_A, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS 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 On 2022/12/15 1:04, Matthew Wilcox wrote: > On Wed, Dec 14, 2022 at 09:33:10AM +0800, mawupeng wrote: >> On current arm64 stable 5.10(v5.10.158). If a UCE happnes pud-sized > > What's a UCE? > uncorrected error.