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=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 DA21AC2BA2B for ; Fri, 10 Apr 2020 11:25:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ABB8420753 for ; Fri, 10 Apr 2020 11:25:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="ROQfgV0c" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726646AbgDJLZD (ORCPT ); Fri, 10 Apr 2020 07:25:03 -0400 Received: from mail-qv1-f48.google.com ([209.85.219.48]:40254 "EHLO mail-qv1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725897AbgDJLZC (ORCPT ); Fri, 10 Apr 2020 07:25:02 -0400 Received: by mail-qv1-f48.google.com with SMTP id k9so762519qvw.7 for ; Fri, 10 Apr 2020 04:25:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=EyRGokCM/wVUU/nXIGOSGIM3r9LXN2RB/WA9Dd31/fo=; b=ROQfgV0cUD7XVup63svo3RL/AkZxQJ+fzf0+St66kLDv734ApzcVHDh3HUmeuG8KXk cqlatVQcoyIjdBaIz8liOq6Ir26yPxe1mV9FN+t/Kk0ZwlJRYFRHiBq6O4Ot+99XKAAq B9i3YLywbDhnkff++HQgj9XsQZTd48kpcGHK+TIVp01fy4P1A9qhsZtgIMR9W0o3m+r6 LlPBX/1yvrlvdvpwVcFmj5eDWlB+/1vEN0lFr5B82oh2JK/4+Ay3O/MfhMHO/+FHrZi0 lp5izN+65oGZrTYrdxCe/yZPneFZoty3FxRgFgmCJRzeoHn+a6LAH8uNpLsGEyZINxrN 3Low== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=EyRGokCM/wVUU/nXIGOSGIM3r9LXN2RB/WA9Dd31/fo=; b=kzXJoX5xavTwfEVwsQWutOIDY9zjM7zAZ31dbObOyxabmAt0BOBRovjTyAE5/sGwcv 6W4qlQiPyt+petchEBgfgWW8PdHnoYbHprdvWU6l0xBZOuNMQBQm994fjFbF3BONdY0B ZgY+IAnL7mLYZBt8jgYUj4EkJXh9Fo8URqXwJrGH+Jg8yVTjKSVvYHzGOU3J5Xb3HAnX p9x1XxL+Jlu977ZqcMEVDkZezktawuJ2ihn7YfniaOBhO78i1SsM1EQGJV4IBet60YQL gY7v8ORHYh9Xwh1QaddKe1AQ5FCZwor5HHwZDhPibyuUKQc8bFJSOIEPCNtCZunC9Ftb 8Bjg== X-Gm-Message-State: AGi0Pubek2iQ3SOfqkqdqohyPMlyj+C0Fe+l7IuUo3kxT0/OOPWecPFw f945MaAlrboU7uW4pZWrveIP+j9FmFe3AA== X-Google-Smtp-Source: APiQypL29YhpcmDiwkdJuLx+IPWrg86N797Ulso1EMGSj4X4L7yWUcYHhSm1qb8MPtacyC7NLU6jWA== X-Received: by 2002:ad4:4665:: with SMTP id z5mr4803594qvv.32.1586517902125; Fri, 10 Apr 2020 04:25:02 -0700 (PDT) Received: from [192.168.1.183] (pool-71-184-117-43.bstnma.fios.verizon.net. [71.184.117.43]) by smtp.gmail.com with ESMTPSA id p9sm1349995qkg.34.2020.04.10.04.25.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Apr 2020 04:25:01 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: KCSAN + KVM = host reset Date: Fri, 10 Apr 2020 07:25:00 -0400 Message-Id: References: Cc: Paolo Bonzini , "paul E. McKenney" , kasan-dev , LKML , kvm@vger.kernel.org In-Reply-To: To: Marco Elver X-Mailer: iPhone Mail (17D50) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Apr 10, 2020, at 5:47 AM, Marco Elver wrote: >=20 > That would contradict what you said about it working if KCSAN is > "off". What kernel are you attempting to use in the VM? Well, I said set KCSAN debugfs to =E2=80=9Coff=E2=80=9D did not help, i.e., i= t will reset the host running kvm.sh. It is the vanilla ubuntu 18.04 kernel i= n VM. github.com/cailca/linux-mm/blob/master/kvm.sh=