From owner-freebsd-xen@freebsd.org  Mon Sep 21 19:50:47 2015
Return-Path: <owner-freebsd-xen@freebsd.org>
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 32DC6A06782
 for <freebsd-xen@mailman.ysv.freebsd.org>;
 Mon, 21 Sep 2015 19:50:47 +0000 (UTC)
 (envelope-from bugzilla-noreply@freebsd.org)
Received: from kenobi.freebsd.org (kenobi.freebsd.org
 [IPv6:2001:1900:2254:206a::16:76])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 1F32411B0
 for <freebsd-xen@FreeBSD.org>; Mon, 21 Sep 2015 19:50:47 +0000 (UTC)
 (envelope-from bugzilla-noreply@freebsd.org)
Received: from bugs.freebsd.org ([127.0.1.118])
 by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id t8LJokb2091241
 for <freebsd-xen@FreeBSD.org>; Mon, 21 Sep 2015 19:50:46 GMT
 (envelope-from bugzilla-noreply@freebsd.org)
From: bugzilla-noreply@freebsd.org
To: freebsd-xen@FreeBSD.org
Subject: [Bug 154428] [xen] xn0 network interface and PF - Massive
 performance drop
Date: Mon, 21 Sep 2015 19:50:46 +0000
X-Bugzilla-Reason: AssignedTo
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: unspecified
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: Affects Only Me
X-Bugzilla-Who: bdrewery@FreeBSD.org
X-Bugzilla-Status: In Progress
X-Bugzilla-Priority: Normal
X-Bugzilla-Assigned-To: freebsd-xen@FreeBSD.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-154428-23905-wHlXiFLeGw@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-154428-23905@https.bugs.freebsd.org/bugzilla/>
References: <bug-154428-23905@https.bugs.freebsd.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: freebsd-xen@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: Discussion of the freebsd port to xen - implementation and usage
 <freebsd-xen.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-xen>,
 <mailto:freebsd-xen-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-xen/>
List-Post: <mailto:freebsd-xen@freebsd.org>
List-Help: <mailto:freebsd-xen-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-xen>,
 <mailto:freebsd-xen-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 21 Sep 2015 19:50:47 -0000

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=154428

--- Comment #13 from Bryan Drewery <bdrewery@FreeBSD.org> ---
(In reply to Bryan Drewery from comment #11)
> I just hit this on 10.1-GENERIC on EC2. Empty pf.conf with pf enabled =
> horrible performance. Disabling pf or TSO with pf fixes it.

My exact issue with with ifconfig having TSO4 on the interfaces. Just changing
the sysctl to 0 fixes the issue. Setting to 1 brings back the extreme packet
loss/latency issues.

-- 
You are receiving this mail because:
You are the assignee for the bug.