From owner-freebsd-net@freebsd.org Wed Sep 9 16:39:15 2015 Return-Path: Delivered-To: freebsd-net@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 23AFFA00C76 for ; Wed, 9 Sep 2015 16:39:15 +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 0FF551DCD for ; Wed, 9 Sep 2015 16:39:15 +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 t89GdEri001706 for ; Wed, 9 Sep 2015 16:39:14 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 202875] ixv driver in 11.0-CURRENT doesn't pass traffic using KVM hypervisor Date: Wed, 09 Sep 2015 16:39:15 +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: 11.0-CURRENT X-Bugzilla-Keywords: IntelNetworking X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: jeffrey.e.pieper@intel.com X-Bugzilla-Status: New X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-net@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Sep 2015 16:39:15 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202875 --- Comment #8 from Jeff Pieper --- (In reply to Patrick Kelsey from comment #6) After performing some additional testing, this is what I have discovered: - Reverting r285590 and r285592 do not fix the issue. - I can reproduce the issue using our OOT driver on CURRENT. - in ALL failing scenarios, I see the following in dmesg on the host after init: ixgbe 0000:08:00.0 eth0: VF max_frame 1522 out of range So I think it's safe to say that it isn't the driver causing this, but something else that is causing oversized frames. In summary: - 10.2 works using in-kernel and OOT drivers. - CURRENT fails using in-kernel and OOT drivers. -- You are receiving this mail because: You are the assignee for the bug.