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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT 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 3E120C04AB4 for ; Fri, 17 May 2019 18:28:31 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0999420815 for ; Fri, 17 May 2019 18:28:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0999420815 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:52194 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRhao-0000x4-4a for qemu-devel@archiver.kernel.org; Fri, 17 May 2019 14:28:30 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54537) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRhYH-0006d9-Ni for qemu-devel@nongnu.org; Fri, 17 May 2019 14:25:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRhOK-00082o-N7 for qemu-devel@nongnu.org; Fri, 17 May 2019 14:15:37 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53626) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRhOK-000823-Ho for qemu-devel@nongnu.org; Fri, 17 May 2019 14:15:36 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1DF6330C0DCD; Fri, 17 May 2019 18:15:29 +0000 (UTC) Received: from localhost (ovpn-116-14.gru2.redhat.com [10.97.116.14]) by smtp.corp.redhat.com (Postfix) with ESMTP id 41B7260BE0; Fri, 17 May 2019 18:15:25 +0000 (UTC) Date: Fri, 17 May 2019 15:15:23 -0300 From: Eduardo Habkost To: whiteheadm@acm.org Message-ID: <20190517181523.GL4189@habkost.net> References: <6da0c28c-ef4f-8199-1cee-bf1f08387ff1@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Fri, 17 May 2019 18:15:34 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] Pentium Pro Feature Bugs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , Thomas Huth , qemu-devel@nongnu.org, "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, May 16, 2019 at 08:30:27PM -0400, tedheadster wrote: > Paolo, > I am running the kvm32 machine and I see a problem. Here is the > output of /proc/cpuinfo : > > flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca > cmov constant_tsc > > I see something rather important missing: cpuid. > > A lot of stuff breaks without cpuid, and I am fairly sure that qemu is > supposed to 'hard code' in support for it. It is present with both my > i486 and i586 virtual machines. Are you running the same kernel version on all VMs? X86_FEATURE_CPUID was added in Linux v4.11. -- Eduardo