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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8F7C5C6FD18 for ; Tue, 28 Mar 2023 22:23:40 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1phHiA-00013d-CJ; Tue, 28 Mar 2023 18:22:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1phHi7-00012t-Qf; Tue, 28 Mar 2023 18:22:35 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5] helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1phHi6-0000gT-2i; Tue, 28 Mar 2023 18:22:35 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 32SMKhmZ023206; Tue, 28 Mar 2023 22:21:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : to : cc : date : in-reply-to : references : content-type : content-transfer-encoding : mime-version; s=pp1; bh=vS53COY6NyhdxcTdCrj93euCvN1GU+/ymThrXwmmjEw=; b=pF6gj50aIs5fMmMY68g2wkQIg1URhoMYZT3masmg71l2XjFAPylQvYorYXQxwhya8qzY +0Gp/1AZrWmZrm8P+p82VuyCsSE0s2WgiQ1+V9jFnzBORA4paXW7MWu67KOHt3tLvmlF qeMtg1TbO0T2pRfk6a8uZ2/geFTvBQjKGA30EOs0Y/W8EFkSrBSP12AaynjtOLsZiYUu SG7+hf80G9K/3CjTh6yNmWutPxn2gjLxizkCdV0RlG9FaSJyT2ouup+puAwRuo6/EYco iVxeb8qkgWS8XHLSGTvW3JUUx8yfXK1W0W7H0l+3eh44BiU1XOwMED1VA4zBJV+rsBAV 8A== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3pm8xvr0em-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Mar 2023 22:21:20 +0000 Received: from m0098420.ppops.net (m0098420.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 32SMLImj024028; Tue, 28 Mar 2023 22:21:20 GMT Received: from ppma02fra.de.ibm.com (47.49.7a9f.ip4.static.sl-reverse.com [159.122.73.71]) by mx0b-001b2d01.pphosted.com (PPS) with ESMTPS id 3pm8xvr0e3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Mar 2023 22:21:19 +0000 Received: from pps.filterd (ppma02fra.de.ibm.com [127.0.0.1]) by ppma02fra.de.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 32SKOTxY002270; Tue, 28 Mar 2023 22:21:17 GMT Received: from smtprelay07.fra02v.mail.ibm.com ([9.218.2.229]) by ppma02fra.de.ibm.com (PPS) with ESMTPS id 3phrk6uqxv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 28 Mar 2023 22:21:17 +0000 Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay07.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 32SMLEJe7537246 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 28 Mar 2023 22:21:14 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2A7292005A; Tue, 28 Mar 2023 22:21:14 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9AC0E20049; Tue, 28 Mar 2023 22:21:13 +0000 (GMT) Received: from li-7e0de7cc-2d9d-11b2-a85c-de26c016e5ad.ibm.com (unknown [9.171.208.230]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 28 Mar 2023 22:21:13 +0000 (GMT) Message-ID: <07464c8f08535b5c6611135ffeda66c8b26ec46c.camel@linux.ibm.com> Subject: Re: s390x TCG migration failure From: Nina Schoetterl-Glausch To: Thomas Huth , qemu-devel@nongnu.org, Juan Quintela Cc: qemu-block@nongnu.org, Stefan Berger , Stefan Hajnoczi , Halil Pasic , John Snow , David Hildenbrand , Fam Zheng , "Daniel P . Berrange" , Laurent Vivier , Vladimir Sementsov-Ogievskiy , qemu-s390x@nongnu.org, Christian Borntraeger , =?ISO-8859-1?Q?Marc-Andr=E9?= Lureau , "Michael S. Tsirkin" , Philippe =?ISO-8859-1?Q?Mathieu-Daud=E9?= , "Dr. David Alan Gilbert" , Marcel Apfelbaum , Coiby Xu , Ilya Leoshkevich , Eduardo Habkost , Yanan Wang , Richard Henderson , Markus Armbruster , Paolo Bonzini , Alex Williamson , Eric Blake , Eric Farman Date: Wed, 29 Mar 2023 00:21:13 +0200 In-Reply-To: <84eebff9-54b8-9354-5b48-822937af0405@redhat.com> References: <20230207005650.1810-4-quintela@redhat.com> <20230324184129.3119575-1-nsg@linux.ibm.com> <84eebff9-54b8-9354-5b48-822937af0405@redhat.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.46.4 (3.46.4-1.fc37) X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: J_TUOfJGwV-1c3AxevcSyO_YC1nDrl_T X-Proofpoint-GUID: xPje86byYeLCm976xlh6rK1innXVPDAc Content-Transfer-Encoding: quoted-printable X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-03-24_11,2023-03-28_02,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 mlxlogscore=976 phishscore=0 malwarescore=0 bulkscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2303280170 Received-SPF: pass client-ip=148.163.158.5; envelope-from=nsg@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, 2023-03-28 at 15:01 +0200, Thomas Huth wrote: > On 24/03/2023 19.41, Nina Schoetterl-Glausch wrote: > > Hi, > >=20 > > We're seeing failures running s390x migration kvm-unit-tests tests with= TCG. > > Some initial findings: > > What seems to be happening is that after migration a control block head= er accessed by the test code is all zeros which causes an unexpected except= ion. > > I did a bisection which points to c8df4a7aef ("migration: Split save_li= ve_pending() into state_pending_*") as the culprit. > > The migration issue persists after applying the fix e264705012 ("migrat= ion: I messed state_pending_exact/estimate") on top of c8df4a7aef. >=20 > Hi Nina, >=20 > could you please open a ticket in the QEMU bug tracker and add the "8.0"= =20 > label there, so that it correctly shows up in the list of things that sho= uld=20 > be fixed before the 8.0 release? https://gitlab.com/qemu-project/qemu/-/issues/1565 Not sure if I cannot add a label or if I overlooked how to.