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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 20AC6C433E0 for ; Wed, 22 Jul 2020 18:06:11 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ECC7820787 for ; Wed, 22 Jul 2020 18:06:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ECC7820787 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=siemens.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36172 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jyJ86-0005cX-7h for qemu-devel@archiver.kernel.org; Wed, 22 Jul 2020 14:06:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33116) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jyJ7B-00055E-CU for qemu-devel@nongnu.org; Wed, 22 Jul 2020 14:05:14 -0400 Received: from thoth.sbs.de ([192.35.17.2]:47424) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jyJ74-0003Ah-Qk for qemu-devel@nongnu.org; Wed, 22 Jul 2020 14:05:12 -0400 Received: from mail2.sbs.de (mail2.sbs.de [192.129.41.66]) by thoth.sbs.de (8.15.2/8.15.2) with ESMTPS id 06MI52fm019429 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 22 Jul 2020 20:05:02 +0200 Received: from [167.87.88.27] ([167.87.88.27]) by mail2.sbs.de (8.15.2/8.15.2) with ESMTP id 06MI51v5015681; Wed, 22 Jul 2020 20:05:01 +0200 Subject: Re: 5.1.0-rc1 regression: reset fails with kvm and -cpu host To: Eduardo Habkost References: <20200722173513.GO1274972@habkost.net> From: Jan Kiszka Message-ID: <7be95bd6-dfc6-2c22-85a1-a1c932d07fdd@siemens.com> Date: Wed, 22 Jul 2020 20:05:01 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200722173513.GO1274972@habkost.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=192.35.17.2; envelope-from=jan.kiszka@siemens.com; helo=thoth.sbs.de X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/22 14:05:02 X-ACL-Warn: Detected OS = Linux 3.1-3.10 X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paolo Bonzini , qemu-devel Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 22.07.20 19:35, Eduardo Habkost wrote: > Hi Jan, > > What was the last version where it worked for you? Does using > "-cpu host,-vmx" help? Yeah, -vmx does indeed help. I didn't have the time to bisect yet. Just check my reflog, picked eb6490f544, and that works. HTH, Jan > > > On Wed, Jul 22, 2020 at 11:15:43AM +0200, Jan Kiszka wrote: >> Hi all, >> >> this locks up the guest: >> >> - qemu-system-x86_64 -enable-kvm -cpu host >> - trigger hard reset >> >> Host kernel: 5.7.7. >> Host CPU: i7-8850H >> >> Jan >> >> -- >> Siemens AG, Corporate Technology, CT RDA IOT SES-DE >> Corporate Competence Center Embedded Linux >> > -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux