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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 42B6DC282DD for ; Thu, 9 Jan 2020 18:21:11 +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 146C5206ED for ; Thu, 9 Jan 2020 18:21:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 146C5206ED Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kamp.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36062 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ipcQg-0006hj-6m for qemu-devel@archiver.kernel.org; Thu, 09 Jan 2020 13:21:10 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51677) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ipcPl-0006AO-0W for qemu-devel@nongnu.org; Thu, 09 Jan 2020 13:20:15 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ipcPj-0007f0-77 for qemu-devel@nongnu.org; Thu, 09 Jan 2020 13:20:12 -0500 Received: from kerio.kamp.de ([195.62.97.192]:42085) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ipcPi-0007BE-VB for qemu-devel@nongnu.org; Thu, 09 Jan 2020 13:20:11 -0500 X-Footer: a2FtcC5kZQ== Received: from [172.21.12.60] ([172.21.12.60]) (authenticated user pl@kamp.de) by kerio.kamp.de with ESMTPSA (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256 bits)); Thu, 9 Jan 2020 19:19:57 +0100 Subject: Re: qemu-4.0.1: vhost_region_add_section:Section rounded to 0 prior to previous a0000 To: "Dr. David Alan Gilbert" References: <985fea06-ede6-dcb7-8829-a48a9416bc09@kamp.de> <20200108150458.GC3184@work-vm> From: Peter Lieven Message-ID: Date: Thu, 9 Jan 2020 19:19:59 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20200108150458.GC3184@work-vm> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.62.97.192 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" Am 08.01.20 um 16:04 schrieb Dr. David Alan Gilbert: > * Peter Lieven (pl@kamp.de) wrote: >> Hi, >> >> >> I have a Qemu 4.0.1 machine with vhost-net network adapter, thats polluting the log with the above message. >> >> Is this something known? Googling revealed the following patch in Nemu (with seems to be a Qemu fork from Intel): >> >> https://github.com/intel/nemu/commit/03940ded7f5370ce7492c619dccced114ef7f56e >> >> >> The network stopped functioning. After a live-migration the vServer is reachable again. >> >> >> Any ideas? > What guest are you running and what does your qemu commandline look > like? Its running debian9. We have hundreds of other VMs with identical setup. Do not know why this one makes trouble. Here is the cmdline: /usr/bin/qemu-4.0.0  -enable-kvm  -M pc-i440fx-2.9  -nodefaults -netdev type=tap,id=guest0,script=no,downscript=no,ifname=tap0,vhost=on,vnet_hdr=on -device virtio-net-pci,netdev=guest0,mac=52:54:00:80:07:bc -iscsi initiator-name=iqn.2005-03.org.virtual-core:0025b51f006c,timeout=30 -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0,max-bytes=65536,period=1000  -drive format=raw,discard=on,detect-zeroes=off,file=XXX,if=none,cache=writeback,aio=native,id=disk0 -device virtio-scsi-pci  -device scsi-hd,drive=disk0  -serial null  -parallel null  -m 1024,slots=16,maxmem=393216M  -smp 1,sockets=64,cores=1,threads=1,maxcpus=64  -monitor tcp:0:4001,server,nowait,nodelay -vnc :1 -qmp tcp:0:3001,server,nowait,nodelay  -name 'debian9'  -drive index=2,media=cdrom,if=ide,aio=native,readonly=on  -boot order=c,menu=off  -k de  -pidfile /var/run/qemu/vm-5182.pid -mem-path /hugepages  -mem-prealloc  -cpu Westmere,+pcid,enforce -rtc base=utc -usb -device usb-tablet -no-hpet -vga vmware -chardev socket,host=127.0.0.1,port=2001,id=qga0,server,nowait,nodelay -device virtio-serial -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 Thanks, Peter