From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 10.25.15.230 with SMTP id 99csp1584213lfp; Tue, 28 Mar 2017 04:59:20 -0700 (PDT) X-Received: by 10.237.38.229 with SMTP id q92mr25775939qtd.6.1490702360292; Tue, 28 Mar 2017 04:59:20 -0700 (PDT) Return-Path: Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu. [128.59.11.253]) by mx.google.com with ESMTP id f47si3257468qtc.174.2017.03.28.04.59.19; Tue, 28 Mar 2017 04:59:20 -0700 (PDT) Received-SPF: pass (google.com: domain of kvmarm-bounces@lists.cs.columbia.edu designates 128.59.11.253 as permitted sender) client-ip=128.59.11.253; Authentication-Results: mx.google.com; spf=pass (google.com: domain of kvmarm-bounces@lists.cs.columbia.edu designates 128.59.11.253 as permitted sender) smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 6680B40C49; Tue, 28 Mar 2017 07:57:20 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu X-Spam-Flag: NO X-Spam-Score: -4.202 X-Spam-Level: X-Spam-Status: No, score=-4.202 required=6.1 tests=[BAYES_00=-1.9, DNS_FROM_AHBL_RHSBL=2.699, RCVD_IN_DNSWL_HI=-5, SPF_HELO_PASS=-0.001] autolearn=ham Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id tl0dtNdGjwS2; Tue, 28 Mar 2017 07:57:19 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 8FF6C40B58; Tue, 28 Mar 2017 07:57:19 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 5EA1640B3E for ; Tue, 28 Mar 2017 07:57:18 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KqOjXXmlnEO9 for ; Tue, 28 Mar 2017 07:57:17 -0400 (EDT) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 8447140A80 for ; Tue, 28 Mar 2017 07:57:17 -0400 (EDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A538E61E64; Tue, 28 Mar 2017 11:59:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com A538E61E64 Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=eric.auger@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com A538E61E64 Received: from localhost.localdomain (ovpn-117-27.ams2.redhat.com [10.36.117.27]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4B7B91840B; Tue, 28 Mar 2017 11:59:13 +0000 (UTC) Subject: Re: [Qemu-devel] Aarch64: Qemu master or 2.9.0-rc1 breaks compatibility with 4.10 kernel. To: Peter Maydell , Prakash B References: From: Auger Eric Message-ID: <43d097e6-a74a-ed22-0b28-3f151d3e51fb@redhat.com> Date: Tue, 28 Mar 2017 13:59:11 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 28 Mar 2017 11:59:15 +0000 (UTC) Cc: Marc Zyngier , bprakash@caviumnetworks.com, QEMU Developers , "Kumar, Vijaya" , qemu-arm , sgoutham@cavium.com, "kvmarm@lists.cs.columbia.edu" X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu X-TUID: 19e7AI11gDDA Hi Peter, On 28/03/2017 13:29, Peter Maydell wrote: > On 28 March 2017 at 12:22, Prakash B wrote: >> Qemu master or v2.9.0-rc1 doesn't launch guest when host kernel >> version 4.10 or lower on Aarch64 (cavium ThunderX), its failing with >> abort "qemu-system-aarch64: KVM_GET_DEVICE_ATTR failed: No such >> device or address" >> >> "GICv3 live migration support" patch breaks the compatibility b/w >> kernel and qemu. >> >> Is this expected behaviour, can we provide a fix without breaking >> compatibility b/w kernel and qemu . > > This is indeed not supposed to happen. Eric, can you take a look? Yes I start the investigations. Thanks Eric > > thanks > -- PMM > _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm