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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F22DCC43334 for ; Mon, 20 Jun 2022 08:01:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239693AbiFTIBD (ORCPT ); Mon, 20 Jun 2022 04:01:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239686AbiFTIBB (ORCPT ); Mon, 20 Jun 2022 04:01:01 -0400 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D57F10FFC for ; Mon, 20 Jun 2022 01:00:59 -0700 (PDT) Received: by mail-lf1-x132.google.com with SMTP id s21so5391783lfs.13 for ; Mon, 20 Jun 2022 01:00:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=openvz-org.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=fJzcCU1G3TC1ezW7ZtUyaMBVLJGZdo22RmweX9xIqCc=; b=kO+T5tzhk57vOnvcqmFVHf42OpAwIKflbMrGT2ZOJH75C7RRmZise7wtdOwslPagsw GVyM57FdidqlnCctFfSMajuFE+y/T8wPdja+vlKKW5jtzKPkLL1chH7PZTz1uMgDAGYv yW08D6E36BaMEy4qxMmGOlMhWXCKE6ABINsB7ZeVctcoxT9urjrP/8G5AkfiMhn/NU2U 0iMl9FIRLxQHLcYCrMh6HfQmQhMjqfXy6F+LJ2VJrumw1oWQsbhuJDlt4xPpBLmeIYS9 NIpr8+87UXhzAcfYHjwkhdIAlix4iaxzKOdTk0hDKmI1u664403DwN23/kzuEKjRLJ6c 3JlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=fJzcCU1G3TC1ezW7ZtUyaMBVLJGZdo22RmweX9xIqCc=; b=FQkt+ts1Mwrep3j6gGLI4XgkqYEXka+ECjPD3YPWvmycolDJMTRfcsZWdiCa8PIcPS WBeE1mLCMizNAfqKz0DCVBDCEY9UMs0z1z+zzbhZNWGUM6PIO7jFsi7WcyXdeUOR6PQp C0lSJn82pNkmVx5FPTaPTuK0o5TKxICqYhylUgZWmxe16SuELnKataCLyadoXc6gphAj RSVB8LL+GO+iuyTIdEMX7BP62t4hXYCpIa5qyF7dITek4c3BlMoVb9j9hR+5lZ+TdJbp 6ssptBKyuBFCtAAXzR/jbLxYuvbjTRET+EZtmH6eNuKi/O+XYx4bmT63qYLMcpuWBj/u rSUw== X-Gm-Message-State: AJIora/27vR8cOLEO1W02xoicGLPjXdBLwQ+f0w/i5iuur5uFd/F/fEC ceov544+31lSxk/zIHILs6lqxQ== X-Google-Smtp-Source: AGRyM1uwm7SkDhskBu6uhtza2FodsrwKa+qGYebVkb7kb0YQe2Z/jFepWNgu/hdkbwt3x1cS2R6IWA== X-Received: by 2002:a05:6512:3e13:b0:47f:3ef1:88c1 with SMTP id i19-20020a0565123e1300b0047f3ef188c1mr13058487lfv.31.1655712057479; Mon, 20 Jun 2022 01:00:57 -0700 (PDT) Received: from [192.168.1.65] ([46.188.121.129]) by smtp.gmail.com with ESMTPSA id q6-20020a056512210600b0047255d21153sm943390lfr.130.2022.06.20.01.00.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Jun 2022 01:00:57 -0700 (PDT) Message-ID: <9bc8de5f-fd80-57fe-0169-0ec942638299@openvz.org> Date: Mon, 20 Jun 2022 11:00:55 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: "Bad pagetable: 000c" crashes and errata "Not-Present Page Faults May Set the RSVD Flag in the Error Code" Content-Language: en-US To: Dave Hansen , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov Cc: kernel@openvz.org, Konstantin Khorenko , steve.sipes@comandsolutions.com, x86@kernel.org, "H. Peter Anvin" , "linux-kernel@vger.kernel.org" References: <04db74ce-4e43-1edb-34e6-ca162f483680@intel.com> From: Vasily Averin In-Reply-To: <04db74ce-4e43-1edb-34e6-ca162f483680@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/20/22 10:18, Dave Hansen wrote: > On 6/19/22 22:29, Vasily Averin wrote: >> Some (old?) Intel CPU's have errata: >> "Not-Present Page Faults May Set the RSVD Flag in the Error Code > > Do you happen to have a link to the actual erratum document? It's > usually a "Specification Update" for some model or another. For Intel Xeon E5400 used on affected node: https://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/xeon-5400-spec-update.pdf Intel® Xeon® Processor 5400 Series Specification Update August 2013 Document Number: 318585-021 page 39 AX74. Not-Present Page Faults May Set the RSVD Flag in the Error Cod Later I've found similar articles for another processors too. Thank you, Vasily Averin