From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f171.google.com (mail-qk0-f171.google.com [209.85.220.171]) by dpdk.org (Postfix) with ESMTP id 18C864B79 for ; Wed, 25 May 2016 08:05:51 +0200 (CEST) Received: by mail-qk0-f171.google.com with SMTP id y126so27658964qke.1 for ; Tue, 24 May 2016 23:05:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical-com.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=9jTw5IBuJqsiBAfDvczZj87yIObpu/SeDKoBZLIc9+g=; b=if4i2uf6lckBzcKkk5TSaeLkoZ/iKitUAsvaOAzWcnCehPm02PYtw5UNp5GGcY3pPs tlojsnxgon3b7roCH+BCgt/g/qpX3MGzME1MhkBw0binocqD3kWSSdnSVCPZEwkHGFIv PUFWVQ2CTOKiNqAoLgFthfM5+l62coB56ki0iWdQff7C1zIzjB6+p32SRGSUH1Wix4mq fxYDRaEH/fo1xCea7jssRt5z1VwH2fKrRRLWOQMp7aGXZkxpijxGzpHSo+ev+8PMFtd0 XuPCIQxEYA9aEGW/qWLLhDsAFfgk41i2+X1k7cjg5+1l/q+vQ4h/PWpX0SZlFF6lxeZD wyVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=9jTw5IBuJqsiBAfDvczZj87yIObpu/SeDKoBZLIc9+g=; b=BnAONqOT81XdDBydT8UBbk/iC0+Ks62WaKwyFwaKn8cr8lCsNIiBDlOwRoiFWzdxG4 LS/dBsLhGzCDPBq1EWr+AV4o4Zb3M8e/cOP7I7Vv2kR0rkaPS4yIyPvPiJRV6S7gHaYd xxUtDcWoU9YQlbp2Z8Y8RZN3iTQU/jNd9veEidPGQVZl/6ulAHNyHPf9FuhtCqZT3er3 oh3cv2UoGEp29RqD3R09tkCG+/rB1ouuBRbTJnyayn3Wm1GuDpDG54Ulnr7aus9SWI3E MsUfk6o8OpoU7tCyN5xloY4tymCGIY5uV3Y29y3HLrnxrtqkA6ImzR1QLoQDkzcOU8Yj iLxw== X-Gm-Message-State: ALyK8tI2SuK626kZ0HU0Npne/UNV3VimLz9raaelX+xdoYU9xeCw1qvJhHv7TFqZ0kpIxEqkrDssX7mfJUrrdYeb X-Received: by 10.55.189.132 with SMTP id n126mr1923065qkf.117.1464156350417; Tue, 24 May 2016 23:05:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.55.97.3 with HTTP; Tue, 24 May 2016 23:05:31 -0700 (PDT) In-Reply-To: References: From: Christian Ehrhardt Date: Wed, 25 May 2016 08:05:31 +0200 Message-ID: To: =?UTF-8?B?TWFydGlueCAtIOOCuOOCp+ODvOODoOOCug==?= Cc: "" , dev Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Subject: Re: [dpdk-dev] Crashing OVS+DPDK at the host, from inside of a KVM Guest X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 May 2016 06:05:51 -0000 Hi, ping ... Later on I want to look at it again once we upgraded to more recent releases of the software components involved, but those have to be made ready to use first :-/ But the description is good and I wonder if anybody else could reproduce this and/or would have a hint on where this might come from or already existing related fixes. I mean in general nothing should be able to crash the host right? P.S. yeah two list cross posting, but it is yet unclear which it belongs to so I'll keep it Christian Ehrhardt Software Engineer, Ubuntu Server Canonical Ltd On Sun, May 15, 2016 at 7:08 AM, Martinx - =E3=82=B8=E3=82=A7=E3=83=BC=E3= =83=A0=E3=82=BA wrote: > Guys, > > If using OVS 2.5 with DPDK 2.2, on Ubuntu Xenial, it is possible to cras= h > the OVS running at the host, from inside of a KVM Guest. > > Basically, what I'm trying to do, is to run OVS+DPDK at the host, and > also, inside of a KVM Guest, with multi-queue, but it doesn't work and > crashes. > > Soon as you enable multi-queue at the guest, it crashes the OVS of the > host! > > OVS+DPDK segfault at the host, after running "ovs-vsctl set Open_vSwitch = . > other_config:n-dpdk-rxqs=3D4" within a KVM Guest: > > https://bugs.launchpad.net/ubuntu/+source/openvswitch/+bug/1577088 > > Thanks! > Thiago >