From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937186Ab0COX2s (ORCPT ); Mon, 15 Mar 2010 19:28:48 -0400 Received: from mail-iw0-f176.google.com ([209.85.223.176]:53483 "EHLO mail-iw0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932564Ab0COX2r convert rfc822-to-8bit (ORCPT ); Mon, 15 Mar 2010 19:28:47 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=qEorLpKg3VdnemJgmf3/Oe2zkJOucxDJlxVClguNPr1Gbtd52m+6TIuwtacuKu4QMO mSsldRT5v1VbFGSLNLSssX5rnUCARe5en56J+aGuH61j1xvG9APT3fRZRr04rzSmbKF+ xJxmVu1aZmEe7Y+uoWsd/1AosgIHUQSYhGnA0= MIME-Version: 1.0 In-Reply-To: <20100315.115748.13754030.davem@davemloft.net> References: <20100315150806.GA15354@Dublin.logfs.org> <20100315151041.GA15667@Dublin.logfs.org> <20100315.115748.13754030.davem@davemloft.net> Date: Mon, 15 Mar 2010 17:28:45 -0600 Message-ID: <51f3faa71003151628g5edc4d7av8916ac76cb337bfe@mail.gmail.com> Subject: Re: [Regression] r8169: enable 64-bit DMA by default for PCI Express devices (v2) From: Robert Hancock To: David Miller Cc: joern@dublin.logfs.org, torvalds@linux-foundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, romieu@fr.zoreil.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 15, 2010 at 12:57 PM, David Miller wrote: > From: Jörn Engel > Date: Mon, 15 Mar 2010 16:10:41 +0100 > >> Forgot to Cc: lkml. > > Actually, what you really need to CC: is netdev, added. >> On Mon, 15 March 2010 16:08:06 +0100, J�rn Engel wrote: >>> >>> Hello Robert! >>> >>> Looks like 353176888386d9025062a12dcec08d49af10cf2c broke one of my >>> machines.  Reverting that patch fixes things again.  Machine is >>> running an x86_64 kernel.  Lspci gives me this: >>> >>> 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02) >>>         Subsystem: ASRock Incorporation Device 8136 >>>         Flags: bus master, fast devsel, latency 0, IRQ 26 >>>         I/O ports at e800 [size=256] >>>         Memory at fdeff000 (64-bit, prefetchable) [size=4K] >>>         Memory at fdee0000 (64-bit, prefetchable) [size=64K] >>>         [virtual] Expansion ROM at fde00000 [disabled] [size=128K] >>>         Capabilities: [40] Power Management version 3 >>>         Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+ >>>         Capabilities: [70] Express Endpoint, MSI 01 >>>         Capabilities: [ac] MSI-X: Enable- Count=2 Masked- >>>         Capabilities: [cc] Vital Product Data >>>         Capabilities: [100] Advanced Error Reporting >>>         Capabilities: [140] Virtual Channel >>>         Capabilities: [160] Device Serial Number 08-00-00-00-ff-ff-00-00 >>>         Kernel driver in use: r8169 >>> >>> If you have any test patches to try, please send them my way. :) >>> >>> J�rn > What are the symptoms? Does setting use_dac=0 in the module options for r8169 also resolve the problem? Full dmesg and lspci -vv output might also be useful.