From owner-freebsd-bugs@FreeBSD.ORG Fri Jan 17 15:20:00 2014 Return-Path: Delivered-To: freebsd-bugs@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C391C6FC for ; Fri, 17 Jan 2014 15:20:00 +0000 (UTC) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 84F7C1D50 for ; Fri, 17 Jan 2014 15:20:00 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id s0HFK0Kl000258 for ; Fri, 17 Jan 2014 15:20:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id s0HFK0Uu000257; Fri, 17 Jan 2014 15:20:00 GMT (envelope-from gnats) Resent-Date: Fri, 17 Jan 2014 15:20:00 GMT Resent-Message-Id: <201401171520.s0HFK0Uu000257@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Radim Kolar Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C33955C8 for ; Fri, 17 Jan 2014 15:16:21 +0000 (UTC) Received: from oldred.freebsd.org (oldred.freebsd.org [IPv6:2001:1900:2254:206a::50:4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id AE0BB1D17 for ; Fri, 17 Jan 2014 15:16:21 +0000 (UTC) Received: from oldred.freebsd.org ([127.0.1.6]) by oldred.freebsd.org (8.14.5/8.14.7) with ESMTP id s0HFGKkR063730 for ; Fri, 17 Jan 2014 15:16:20 GMT (envelope-from nobody@oldred.freebsd.org) Received: (from nobody@localhost) by oldred.freebsd.org (8.14.5/8.14.5/Submit) id s0HFGKnQ063684; Fri, 17 Jan 2014 15:16:20 GMT (envelope-from nobody) Message-Id: <201401171516.s0HFGKnQ063684@oldred.freebsd.org> Date: Fri, 17 Jan 2014 15:16:20 GMT From: Radim Kolar To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: kern/185849: TSO in vmx driver broken X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 17 Jan 2014 15:20:00 -0000 >Number: 185849 >Category: kern >Synopsis: TSO in vmx driver broken >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jan 17 15:20:00 UTC 2014 >Closed-Date: >Last-Modified: >Originator: Radim Kolar >Release: 10.0 RC3 >Organization: >Environment: >Description: vmx driver when used in windows vmware player is not sending packets when tso mode (default) is enabled on interface. because probably not all packets are tso offloaded networking seems to work if you send packets occasionally - such as ssh. packets starts to drop if you send larger file for example ftp upload. increasing hw.vmx.txndesc did not improved situation >How-To-Repeat: get vmware player, install bsd into it, change network driver to vmx0, upload some file to ftp server, then look at netstat -s you will get massive amount of resent packets. >Fix: ifconfig vmx0 -tso id would be good to have errata notice for this bug for 10.0 >Release-Note: >Audit-Trail: >Unformatted: