From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,HK_RANDOM_FROM,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 817D0C433E6 for ; Mon, 22 Feb 2021 12:37:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 420B964F10 for ; Mon, 22 Feb 2021 12:37:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230306AbhBVMhN (ORCPT ); Mon, 22 Feb 2021 07:37:13 -0500 Received: from mail.kingsoft.com ([114.255.44.146]:45014 "EHLO mail.kingsoft.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S230174AbhBVMgi (ORCPT ); Mon, 22 Feb 2021 07:36:38 -0500 X-AuditID: 0a580157-f39ff7000005df43-fb-60339ef12a50 Received: from mail.kingsoft.com (localhost [10.88.1.32]) (using TLS with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mail.kingsoft.com (SMG-1-NODE-87) with SMTP id F2.B9.57155.1FE93306; Mon, 22 Feb 2021 20:09:21 +0800 (HKT) Received: from alex-virtual-machine (172.16.253.254) by KSBJMAIL2.kingsoft.cn (10.88.1.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1979.3; Mon, 22 Feb 2021 20:35:50 +0800 Date: Mon, 22 Feb 2021 20:35:49 +0800 From: Aili Yao To: Borislav Petkov CC: , , , , , , , Subject: Re: [PATCH v2] x86/mce: fix wrong no-return-ip logic in do_machine_check() Message-ID: <20210222203549.0e54c26f@alex-virtual-machine> In-Reply-To: <20210222122241.GA10880@zn.tnic> References: <20210222113124.35f2d552@alex-virtual-machine> <20210222115007.75b7de9b@alex-virtual-machine> <20210222092403.GA29063@zn.tnic> <20210222173109.7b7ac42a@alex-virtual-machine> <20210222100356.GB29063@zn.tnic> <20210222180819.3998fe33@alex-virtual-machine> <20210222102206.GC29063@zn.tnic> <20210222192146.76ffec84@alex-virtual-machine> <20210222201723.0fcec589@alex-virtual-machine> <20210222122241.GA10880@zn.tnic> Organization: kingsoft X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.30; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [172.16.253.254] X-ClientProxiedBy: KSBJMAIL1.kingsoft.cn (10.88.1.31) To KSBJMAIL2.kingsoft.cn (10.88.1.32) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrALMWRmVeSWpSXmKPExsXCFcGooPtxnnGCwcV/1hafN/xjs5i2Udzi wqkGJovLu+awWVw6sIDJYvOmqcwWby7cY7H4seExqwOHx/fWPhaPxXteMnlsWtXJ5vHu3Dl2 j/f7rrJ5fN4k53Gi5QtrAHsUl01Kak5mWWqRvl0CV8bHo49ZCx5xVfy8O5m1gfEoRxcjJ4eE gInE6i/rGbsYuTiEBKYzSVzZuIkNwnnFKPHz0jY2kCoWAVWJZZtuMYPYbED2rnuzWEFsEQEl ia+L5jKBNDALHGKUOHzuBVARB4ewQKjEkmmFICavgJXE3PsVIOWcAroSr49NZYGYv5tZouXW R7A5/AJiEr1X/jNBXGQv0bZlESOIzSsgKHFy5hMWEJtZQEfixKpjzBC2vMT2t3PAbCEBRYnD S36xQ/QqSRzpnsEGYcdKLJv3inUCo/AsJKNmIRk1C8moBYzMqxhZinPTDTcxQiIlfAfjvKaP eocYmTgYgV7jYFYS4WW7a5QgxJuSWFmVWpQfX1Sak1p8iFGag0VJnFfMkS9BSCA9sSQ1OzW1 ILUIJsvEwSnVwMQ0b9IagU1WX++0vVJzK/y7lXGHo4TwIrENE/3s03NrcurcmPY+S9qR8M2G a+dvRU//xrVJKhtfzVXZHRrwrSam6n7deY1pTizyZ7/smtpXdWpD6vcbLT8zHP6t7HzkclH+ /YZe/tUnVPfdiJf7+NRJaKFph6+2k+XSe0++t/XuW6CYtn+91/XYnG13Vn7aMlv8+erL2wwu c606Xfekif+r9K8NhUph37tFn6ceMYr9sH7liiZ/74kCf/WX3HC87H58svORoN6rxzWXz2xN LNdkvPeD9QpfgCLnxKfPnDJ1132uVAicrhq60EOicFua3hOlcMOySM73HoevmBis2xn+p1R5 re+uLbfVVW4473+lxFKckWioxVxUnAgAUYvM3wMDAAA= Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org On Mon, 22 Feb 2021 13:22:41 +0100 Borislav Petkov wrote: > On Mon, Feb 22, 2021 at 08:17:23PM +0800, Aili Yao wrote: > > AR (Action Required) flag, bit 55 - Indicates (when set) that MCA > > error code specific recovery action must be... > > Give me the *exact* MCE signature you're injecting please. > > Thx. > Guest VM, the qemu has no way to know the RIPV value, so always get it cleared. Hardware event. This is not a software error. MCE 0 CPU 9 BANK 9 TSC 103d511e68c RIP 33:401270 MISC 8c ADDR 10e91d000 TIME 1613974147 Mon Feb 22 01:09:07 2021 MCG status:EIPV MCIP LMCE MCi status: Uncorrected error Error enabled MCi_MISC register valid MCi_ADDR register valid SRAR MCA: Data CACHE Level-0 Data-Read Error STATUS bd80000000000134 MCGSTATUS e MCGCAP 900010a APICID 9 SOCKETID 9 MICROCODE 1 CPUID Vendor Intel Family 6 Model 85 Step 7 Host: Hardware event. This is not a software error. MCE 0 CPU 1 BANK 1 TSC 1ee4f074462 RIP 33:4013a6 MISC 86 ADDR 10ed608000 TIME 1613985132 Mon Feb 22 17:12:12 2021 MCG status:RIPV EIPV MCIP LMCE MCi status: Uncorrected error Error enabled MCi_MISC register valid MCi_ADDR register valid SRAR MCA: Data CACHE Level-0 Data-Read Error STATUS bd80000000100134 MCGSTATUS f MCGCAP f000c14 APICID 2 SOCKETID 0 MICROCODE 5000021 CPUID Vendor Intel Family 6 Model 85