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 picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 182A2C7EE29 for ; Thu, 25 May 2023 12:22:36 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 8D9BA3CD1DD for ; Thu, 25 May 2023 14:22:34 +0200 (CEST) Received: from in-4.smtp.seeweb.it (in-4.smtp.seeweb.it [IPv6:2001:4b78:1:20::4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 0F5363C9956 for ; Thu, 25 May 2023 14:22:24 +0200 (CEST) Received: from mail-vs1-xe34.google.com (mail-vs1-xe34.google.com [IPv6:2607:f8b0:4864:20::e34]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-4.smtp.seeweb.it (Postfix) with ESMTPS id 3E4DC1000A68 for ; Thu, 25 May 2023 14:22:23 +0200 (CEST) Received: by mail-vs1-xe34.google.com with SMTP id ada2fe7eead31-43951f7002dso289291137.3 for ; Thu, 25 May 2023 05:22:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1685017342; x=1687609342; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=TiwQ2LI2rFbV2HsiZtBqVjQ7FkEpztC2S2POKBZ5Nkw=; b=Pairwt/ui9UAklFCQB9R2NjLwqTDpezcblarmRFlxPLxS/GCGHocJjLRyc34vfxCuw ztWx54wI1SsPHFrGvS2yg+2OgDfkk17aSmnNanXzCRV9jfRoX2Hrx1RHB/bILDj95yIY RyZMLKHFnM0GfURqCgFTF5Tu5f260oGaBlxeEsAOpggnV7pIpNUO0z+Ua6IoA6QiEFWo /MgmqkmSrritUbASLXVqR0DfaibX1Ua5psO1KIN9GsRadhyv7ZO0mBMfhRhWU8wqupLx WLHn3G0c3sfF4R+fZ5jnRdFbJiMEVAODXZMzC2nbT6Q1AnwH4Z38xRz+A5MVB0OdpSIh JpPQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685017342; x=1687609342; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=TiwQ2LI2rFbV2HsiZtBqVjQ7FkEpztC2S2POKBZ5Nkw=; b=ZmfijtWEKwWlXiL7FXzREABdmYe8Pvn2jvDAYf0xqmEN4uiMdt6T9ULmNJBjCN6PM4 3WNJ1/IzvzTtiAGW7UHXIQ5bO/yZJlyHcLiNa6UKcxBaSl+DRuanvsKIqebJXzWCMWA1 7VoygbGTQJEd5zNEcaJOrjoVMffrJiiLA6Z85wEqfbZ7ZSuy5WyEnmx7myk7pdUhLpkR omqYns+NEXiQJ1NSoTh5nz70uFqaWGMlXvOnirAkxFyXHggjhnBPBOe3p3tWpjKAWdje QgmFOnZYh+DrCVcdL4AN9FTPPNtTmKdJAzBwLslzyPOUBWHiZ382+9fnvdpS2xU8AO30 OefQ== X-Gm-Message-State: AC+VfDyvC/J/NHuv+7YUcm06IDiPaz9i/I59I+utxOkIcSdtji8yehW7 X5BPFGloDB5LqBpba01VI6Z/zKgW6+jnmSiVuAd5VsRqgx/BFzGqu7zfYA== X-Google-Smtp-Source: ACHHUZ5USy7xBZdaQ9EIY3V990pi9ccxJIXFmf1abk8usVqRBWsZ21K0L8edNCZ/kBX2J+JdfxU2nPBC5SFy1/0xHOE= X-Received: by 2002:a05:6102:3177:b0:439:63f5:1a7 with SMTP id l23-20020a056102317700b0043963f501a7mr2068412vsm.12.1685017341910; Thu, 25 May 2023 05:22:21 -0700 (PDT) MIME-Version: 1.0 References: <20230524140744.GK4253@hirez.programming.kicks-ass.net> <20230524175442.GO4253@hirez.programming.kicks-ass.net> <797a1074-4174-402a-a172-78191dfb426c@app.fastmail.com> In-Reply-To: <797a1074-4174-402a-a172-78191dfb426c@app.fastmail.com> From: Naresh Kamboju Date: Thu, 25 May 2023 17:52:10 +0530 Message-ID: To: Arnd Bergmann X-Virus-Scanned: clamav-milter 1.0.1 at in-4.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] qemu-x86_64 compat: LTP: controllers: RIP: 0010:__alloc_pages X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dan Carpenter , Dave Hansen , Peter Zijlstra , X86 ML , open list , linux-stable , linux-mm , Ingo Molnar , lkft-triage@lists.linaro.org, Andy Lutomirski , Thomas Gleixner , Andrew Morton , LTP List Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" On Thu, 25 May 2023 at 02:03, Arnd Bergmann wrote: > > On Wed, May 24, 2023, at 19:54, Peter Zijlstra wrote: > > On Wed, May 24, 2023 at 09:39:50PM +0530, Naresh Kamboju wrote: > >> FYI, > >> These are running in AWS cloud as qemu-i386 and qemu-x86_64. > > > > Are these hosted on x86 and using KVM or are they hosted on Graviton and > > using TCG x86 ? > > > > Supposedly TCG x86 is known 'funny' and if that's what you're using it > > would be very good to confirm the problem on x86 hardware. I see the following logs while booting. <3>[ 1.834686] kvm_intel: VMX not supported by CPU 0 <3>[ 1.835860] kvm_amd: SVM not supported by CPU 0, not amd or hygon And they are running on x86 machines. > > Even on x86 cloud instances you are likely to run with TCG if > the host does not support nested virtualization. So the question > really is what specific cloud instance type this was running > on, and if KVM was actually used or not. From what I could > find on the web, Amazon EC2 only supports KVM guests inside of > bare-metal instances but not any of the normal virtualized ones, > while other providers using KVM (Google, Microsoft, ...) do support > nested guests. > > Arnd -- Mailing list info: https://lists.linux.it/listinfo/ltp