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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 F0BC2C5519F for ; Wed, 25 Nov 2020 14:21:54 +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 1036B206D9 for ; Wed, 25 Nov 2020 14:21:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1036B206D9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bugs.launchpad.net Authentication-Results: mail.kernel.org; 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Wed, 25 Nov 2020 14:15:56 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Wed, 25 Nov 2020 14:03:13 -0000 From: "Dr. David Alan Gilbert" <1761798@bugs.launchpad.net> To: qemu-devel@nongnu.org X-Launchpad-Notification-Type: bug X-Launchpad-Bug: product=nova; status=Confirmed; importance=Medium; assignee=None; X-Launchpad-Bug: product=qemu; status=New; importance=Undecided; assignee=None; X-Launchpad-Bug-Tags: libvirt live-migration X-Launchpad-Bug-Information-Type: Public X-Launchpad-Bug-Private: no X-Launchpad-Bug-Security-Vulnerability: no X-Launchpad-Bug-Commenters: balazs-gibizer dgilbert-h dsutyagin kashyapc melwitt mriedem sean-k-mooney X-Launchpad-Bug-Reporter: Matt Riedemann (mriedem) X-Launchpad-Bug-Modifier: Dr. David Alan Gilbert (dgilbert-h) References: <152303245198.3233.1033096993665779324.malonedeb@wampee.canonical.com> Message-Id: <160631299333.9591.3725592481319808137.malone@soybean.canonical.com> Subject: [Bug 1761798] Re: live migration intermittently fails in CI with "VQ 0 size 0x80 Guest index 0x12c inconsistent with Host index 0x134: delta 0xfff8" X-Launchpad-Message-Rationale: Subscriber (QEMU) @qemu-devel-ml X-Launchpad-Message-For: qemu-devel-ml Precedence: bulk X-Generated-By: Launchpad (canonical.com); Revision="3bd564e52ed9790394c5663a77af1e834fc2d372"; Instance="production" X-Launchpad-Hash: dd8c7e4187ab628b63067e2cd6f7c8d4610ed301 Received-SPF: none client-ip=91.189.90.7; envelope-from=bounces@canonical.com; helo=indium.canonical.com X-Spam_score_int: -65 X-Spam_score: -6.6 X-Spam_bar: ------ X-Spam_report: (-6.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Bug 1761798 <1761798@bugs.launchpad.net> Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" OK, but that still says in both cases here we've got a virtio error telling us that the queues are broken before migration even starts; so we should try and figure out why that's happening first. -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1761798 Title: live migration intermittently fails in CI with "VQ 0 size 0x80 Guest index 0x12c inconsistent with Host index 0x134: delta 0xfff8" Status in OpenStack Compute (nova): Confirmed Status in QEMU: New Bug description: Seen here: http://logs.openstack.org/37/522537/20/check/legacy-tempest-dsvm- multinode-live- migration/8de6e74/logs/subnode-2/libvirt/qemu/instance-00000002.txt.gz 2018-04-05T21:48:38.205752Z qemu-system-x86_64: -chardev pty,id=3Dcharser= ial0,logfile=3D/dev/fdset/1,logappend=3Don: char device redirected to /dev/= pts/0 (label charserial0) warning: TCG doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5] 2018-04-05T21:48:43.153268Z qemu-system-x86_64: VQ 0 size 0x80 Guest inde= x 0x12c inconsistent with Host index 0x134: delta 0xfff8 2018-04-05T21:48:43.153288Z qemu-system-x86_64: Failed to load virtio-blk= :virtio 2018-04-05T21:48:43.153292Z qemu-system-x86_64: error while loading state= for instance 0x0 of device '0000:00:04.0/virtio-blk' 2018-04-05T21:48:43.153347Z qemu-system-x86_64: load of migration failed:= Operation not permitted 2018-04-05 21:48:43.198+0000: shutting down, reason=3Dcrashed And in the n-cpu logs on the other host: http://logs.openstack.org/37/522537/20/check/legacy-tempest-dsvm- multinode-live- migration/8de6e74/logs/screen-n-cpu.txt.gz#_Apr_05_21_48_43_257541 There is a related Red Hat bug: https://bugzilla.redhat.com/show_bug.cgi?id=3D1450524 The CI job failures are at present using the Pike UCA: ii libvirt-bin 3.6.0-1ubuntu6.2~cloud0 ii qemu-system-x86 1:2.10+dfsg-0ubuntu3.5~cloud0 To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1761798/+subscriptions