From owner-freebsd-xen@freebsd.org Tue May 3 22:23:52 2016 Return-Path: Delivered-To: freebsd-xen@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0A0D0B2C918 for ; Tue, 3 May 2016 22:23:52 +0000 (UTC) (envelope-from kmacybsd@gmail.com) Received: from mail-io0-x229.google.com (mail-io0-x229.google.com [IPv6:2607:f8b0:4001:c06::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C6FE010E7 for ; Tue, 3 May 2016 22:23:51 +0000 (UTC) (envelope-from kmacybsd@gmail.com) Received: by mail-io0-x229.google.com with SMTP id u185so42640474iod.3 for ; Tue, 03 May 2016 15:23:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc; bh=95H+ZXQ4+DP77+c45xjmfDbb6lHUyuKqzp7NwVbPnSc=; b=bmtEVZ5QTgNKIYCJODdQazGvHJFNWY9B7WaPij9cZtjgGfZTFXVWSr6y7uI7dF7mm+ RlyebtQGojkl5e8qIHK9iw+QmXW1XZqO/mqhdmGGBLM477ZWXI4qMhhbh+SeiPPRhS9X UBu75qB1bg3K1UfMWH055wIiJQldw7kk8PC/WSOh8ENvcVE92w+k0hxowznmYQu/rsom H1amP7NpZrCa/5X/KKpDqvhK1taG8Ay38Co9CEr+z7FG0sHbr5oc7ljyoW3GrFw0wKmp DfrUmcT64xfsSQh5roNVql02stV6Fy8xrqYCkZRCC7SK9shPwLhcgIxrLwR5PpwFpYLm ShvQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:date :message-id:subject:from:to:cc; bh=95H+ZXQ4+DP77+c45xjmfDbb6lHUyuKqzp7NwVbPnSc=; b=U1gz86Wr+QxdoWwpvkxddFw87eGXIqSAv5CQ2RxV1PcvUtrt/BW+loLv2vGJnPvwNz 7eBpvG9ZjZTU7ml5N4Y7tL4e0GmdKp3La5j/MOlF5YxTiotXu78luOmT8bro1iyyhycB 1LZz/b88gwz3v0ruXTFyjGK3GhrdIIkipbsM0teGVtQ94cjxzFwaXN82WSi0Gl1i2YvR R9hi6FA9R3EnYWdA+r1xTCjgaLkw/ycNGDz4jldEGT7xKO+puybkLzqSgUFMiUKe+f5Z AvGTyW/R66K12pMss3L2n7SA0p01D0aQn0ebduF3Ftnp8+HxcNDiOgebmqwIOs/owqWM zFaQ== X-Gm-Message-State: AOPr4FV5IzVyZgLflphbiqE9FOdBXfX0GZ8MVPPn4A9My9FpLrhKVvvMFi9yeg4Xr5jl4NVnHdw61Td9i7nV0A== MIME-Version: 1.0 X-Received: by 10.107.7.170 with SMTP id g42mr6412022ioi.81.1462314230798; Tue, 03 May 2016 15:23:50 -0700 (PDT) Sender: kmacybsd@gmail.com Received: by 10.107.140.8 with HTTP; Tue, 3 May 2016 15:23:50 -0700 (PDT) In-Reply-To: References: <20160503072441.qgqgaw52sijybg4a@mac> <20160503093211.hkmbbqr6t2fbxqqa@mac> Date: Tue, 3 May 2016 15:23:50 -0700 X-Google-Sender-Auth: HUCXy5NsgV5rNJR2UXD80O65qyo Message-ID: Subject: Re: xn ethernet issues as DOMU under NetBSD DOM0 From: "K. Macy" To: Miguel C Cc: Stephen Jones , "freebsd-xen@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 May 2016 22:23:52 -0000 On Tue, May 3, 2016 at 3:11 PM, Miguel C wrote: > This was reported by me and others a few times its was actually fixed in > some 10.0 (current build at the time) but we could never track it, however > it always seemed related to tso, netbsd backhend (as I was told back then) > doesn't support at least tso, and In fact I had the same issue with Windwos > Guests but the PV drivers dev fixed it (and it was indeed related to this) That would explain it. If the Linux backend supports TSO, then netfront will of course advertise TSO. And presumably there's no way to query the netback, since Xen is linux-centric. Assuming you haven't already I would disable TSO. Or have you already tried that? -M > Anway I am just typing as I remember but I the were PRs about this I can't > look them up right now but I could later in the week or maybe someone else > can...