Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp3958814imu; Mon, 14 Jan 2019 12:09:53 -0800 (PST) X-Google-Smtp-Source: ALg8bN6kemwZ7wHzGkkCFg79hVQfKzIR8Ik1OfEB2BDfnhTkYh68jrdv4JUx5wUgfQEnj6ofrb2v X-Received: by 2002:a63:a452:: with SMTP id c18mr243335pgp.204.1547496593702; Mon, 14 Jan 2019 12:09:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1547496593; cv=none; d=google.com; s=arc-20160816; b=wVUJAcBF8eAN20pNfT9O3/7XfaZAYy4Y5XnrQ2k12cmwMFkB+V1jaYciS7gK1ZPVys 2xxHLp0lY8E2bSJ3U+6BHe/hwo/QHsj4fIfnkANrF5zQTPJLsfHZ6ItRZ1ot0ze39O0C jkUsOE6rAedcfItblhChCOiZmBfRzruFGBxGnMiR3x0svAriWXqv7EPTUybSMib/ijBW fXY40KdqN3H7CG1Lh2ePyLySLoQ4ivPIv72lF+RGWZPpANX87DcFepOHqhrM8C5apmrf FUACdc6P+Y658WuBQ9NVy29Gc5v3/gNG7tXda7VRWVxgbfUjD/9W5sp4Wz0W0eqsgKq4 1vAg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=zJ8EB7VX2bx5VuWQciG9DJEf72p12iVJGFQiAiD6pYg=; b=LzuOTkPJ2ui3Tu88PUnaN0wCW0MlVeYInA5ic9RFiAnF8loPocGHFVwkhh6dNiRkHb QdAqZMukSh97uVPVWPze4dtYVsLwGCWKGPptmm8DasXZmee1PEDXR2FmMyLMBDfH48lk rVtxs0TlJvwmh81Z7d1hOxZzwb+xsm/UtfHtIdkgm2WMqF+THNYr5ap9AbrgBhQz1x3t sUQgF5AChSrIrua1d812fAQ6UZP5V+hLzMgcFTs/sepMPe3BtcYuJlMsbMHBr7zShdOE 4/nb72X1iICYvPICn0Bo7fKBuN0YnA+/dZiJhmUOPrl0icRb4glIubBZk0Uws14A+nki oXVg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k22si1165155pgl.29.2019.01.14.12.09.37; Mon, 14 Jan 2019 12:09:53 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726958AbfANUHl (ORCPT + 99 others); Mon, 14 Jan 2019 15:07:41 -0500 Received: from mga18.intel.com ([134.134.136.126]:11418 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726745AbfANUHi (ORCPT ); Mon, 14 Jan 2019 15:07:38 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jan 2019 12:07:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,478,1539673200"; d="scan'208";a="310360145" Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.154]) by fmsmga006.fm.intel.com with ESMTP; 14 Jan 2019 12:07:37 -0800 Date: Mon, 14 Jan 2019 12:07:37 -0800 From: Sean Christopherson To: Harald Arnesen Cc: Linux Kernel Mailing List , Paolo Bonzini Subject: Re: [BISECTED] KVM error with 5.0-rc Message-ID: <20190114200737.GC5141@linux.intel.com> References: <20190114183319.GB5141@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 14, 2019 at 08:17:10PM +0100, Harald Arnesen wrote: > Sean Christopherson [14.01.2019 19:33]: > > > On Mon, Jan 14, 2019 at 06:04:27PM +0100, Harald Arnesen wrote: > >> Qemu with KVM acceleration fails with kernel 5.0-rc1 and 5.0-rc2. > >> It works fine with 4.20. > > > Can you test the attached patch? Found a bug when re-inspecting the > > guilty commit, the wrong VMCS field is being modifying when applying an > > errata to disable VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL. Your CPU is > > listed as one of the models affected by the errata. Compile tested only. > > Yes, this patch fixes the error. Awesome, thanks! > > Feel free to add a "Tested-by: Harald Arnesen ". > -- > Hilsen Harald