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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 D0A65C10F0E for ; Thu, 18 Apr 2019 21:49:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9516120675 for ; Thu, 18 Apr 2019 21:49:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=skogtun.org header.i=@skogtun.org header.b="YaqSJ+eL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726216AbfDRVtj (ORCPT ); Thu, 18 Apr 2019 17:49:39 -0400 Received: from smtp.domeneshop.no ([194.63.252.55]:50591 "EHLO smtp.domeneshop.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725916AbfDRVtj (ORCPT ); Thu, 18 Apr 2019 17:49:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=skogtun.org; s=ds201810; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject; bh=1mfHy1hHSXj1pNqlvRLK/Ct3VBKFV9sGfyJOz5wACnM=; b=YaqSJ+eLkOMmXJeEg9nYk7vf2yhkITXj5w77s8iMBBwHYYdTMO3XBN8pEeESy6B5pZdcSpqyXd1c24XLU7mdFXbk1FG9QGtnTWlKzMp+3t1/Nq3D+BfDxWR1v0pQ80UQMnMy+2yTcR155DQjqLFKu/dPyigcxDve1hjTHrXLf9Xe0Fv1pBW+CKtwAccwCttmNE0kytFngxWB+7/kHGfCF4CYZe39pmKdZRLxIKV4q/jzJd2IYSW/iAb4oshb7Gg2dOHkWVAvxugGYasUT/GOcAfkQKJFvMVRJRFSyuQszyLvUIsxAEq/Z/YZSXG0sxrl759+YaG/zpAbMBLl5MLoOg==; Received: from [2a01:79c:cebe:b88c:caff:28ff:fe94:90a0] (port=53494) by smtp.domeneshop.no with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1hHEuW-0004wc-A7; Thu, 18 Apr 2019 23:49:36 +0200 Subject: Re: [REGRESSION 5.0.x] Windows XP broken on KVM To: Greg Kroah-Hartman , Takashi Iwai Cc: Paolo Bonzini , Sean Christopherson , Jiri Slaby , linux-kernel@vger.kernel.org References: <20190418075328.GA19532@kroah.com> From: Harald Arnesen Message-ID: <110c1a56-da41-25b6-7901-ee1c5a90f937@skogtun.org> Date: Thu, 18 Apr 2019 23:49:32 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190418075328.GA19532@kroah.com> Content-Type: text/plain; charset=utf-8 Content-Language: nb-NO Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Greg Kroah-Hartman [18.04.2019 09:53]: > On Thu, Apr 18, 2019 at 09:38:52AM +0200, Takashi Iwai wrote: >> Hi, >> >> we've got a regression report on the recent 5.0.x kernel, starting >> from 5.0.6, where Windows XP can't boot on KVM any longer. >> >> The culprit seems to be the patch >> KVM: x86: update %rip after emulating IO >> with the upstream commit 45def77ebf79e2e8942b89ed79294d97ce914fa0. >> Reverting this alone fixed the problem. >> >> The report is found at openSUSE bugzilla: >> https://bugzilla.suse.com/show_bug.cgi?id=1132694 >> >> Is there already a followup fix? If not, we need to revert it from >> stable, at least. > > Is this also a problem in 5.1-rc5? My previously installed Windows XP boots and runs fine in 5.1-rc5. -- Hilsen Harald