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=-5.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 BFC00C388F9 for ; Wed, 11 Nov 2020 17:18:06 +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 22EA1206CA for ; Wed, 11 Nov 2020 17:18:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="CqdLI56L" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 22EA1206CA 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 ([::1]:59526 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kctky-000416-IK for qemu-devel@archiver.kernel.org; Wed, 11 Nov 2020 12:18:04 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:52874) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kctjh-0002fR-8H for qemu-devel@nongnu.org; Wed, 11 Nov 2020 12:16:45 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:45923) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kctja-0003XE-P5 for qemu-devel@nongnu.org; Wed, 11 Nov 2020 12:16:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605114997; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=neAIYOiDAdAd61bwSE3GTcHWrRpH4Y2jS9HtvcVeHVM=; b=CqdLI56LgHcjeYW2DJhso0dxaCZa3cU611afNydZL5Wh6p1uDCbq4jyBtPus71ZxoHaLNI FtVsASl8diPiksT90sdfSf4bTGgbKkPQ4yluHQorQO8ShJrM5Fp9UL4kqa2higbUG/0eov EQ3y3qV1AvSx2/fi8zriPNSwgSLNGIU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-1-l_ictddIPaObHfTWmA3udw-1; Wed, 11 Nov 2020 12:16:33 -0500 X-MC-Unique: l_ictddIPaObHfTWmA3udw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5645A184217D; Wed, 11 Nov 2020 17:16:32 +0000 (UTC) Received: from work-vm (ovpn-113-88.ams2.redhat.com [10.36.113.88]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 042F010013C0; Wed, 11 Nov 2020 17:16:24 +0000 (UTC) Date: Wed, 11 Nov 2020 17:16:22 +0000 From: "Dr. David Alan Gilbert" To: kraxel@redhat.com, sai.pavan.boddu@xilinx.com, marcandre.lureau@redhat.com Subject: nec-usb-xhci migration breakage Message-ID: <20201111171622.GI3232@work-vm> MIME-Version: 1.0 User-Agent: Mutt/1.14.6 (2020-07-11) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/11 01:49:01 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi, Somewhere between 5.1.0 and 5.2.0-rc1 there's a migration breakage on the nec-usb-xhci device: [dgilbert@dgilbert-t580 try]$ ./x86_64-softmmu/qemu-system-x86_64 -M pc-q35-5.1 -device nec-usb-xhci -nographic -incoming tcp::4444 qemu-system-x86_64: get_pci_config_device: Bad config data: i=0x72 read: 88 device: 80 cmask: ff wmask: 71 w1cmask:0 qemu-system-x86_64: Failed to load PCIDevice:config qemu-system-x86_64: Failed to load xhci:parent_obj qemu-system-x86_64: error while loading state for instance 0x0 of device '0000:00:03.0/xhci' qemu-system-x86_64: load of migration failed: Invalid argument lspci is showing the MSI count ifferent, but I'm not sure if that's the only problem or not: 5.1.0 showing: [root@localhost ~]# lspci -v -s 00:03.0 -v 00:03.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 03) (prog-if 30 [XHCI]) Subsystem: Red Hat, Inc. QEMU Virtual Machine Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR-