From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 138CFC4646B for ; Wed, 26 Jun 2019 06:26:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DEB532085A for ; Wed, 26 Jun 2019 06:26:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726783AbfFZG04 (ORCPT ); Wed, 26 Jun 2019 02:26:56 -0400 Received: from mga18.intel.com ([134.134.136.126]:52868 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725924AbfFZG04 (ORCPT ); Wed, 26 Jun 2019 02:26:56 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jun 2019 23:26:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,418,1557212400"; d="scan'208";a="188550973" Received: from sneftin-mobl1.ger.corp.intel.com (HELO [10.185.23.132]) ([10.185.23.132]) by fmsmga002.fm.intel.com with ESMTP; 25 Jun 2019 23:26:53 -0700 Subject: Re: RX CRC errors on I219-V (6) 8086:15be To: Kai Heng Feng Cc: jeffrey.t.kirsher@intel.com, Anthony Wong , intel-wired-lan@lists.osuosl.org, linux-kernel References: <3975473C-B117-4DC6-809A-6623A5A478BF@canonical.com> From: "Neftin, Sasha" Message-ID: Date: Wed, 26 Jun 2019 09:26:53 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <3975473C-B117-4DC6-809A-6623A5A478BF@canonical.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/26/2019 09:14, Kai Heng Feng wrote: > Hi Sasha > > at 5:09 PM, Kai-Heng Feng wrote: > >> Hi Jeffrey, >> >> We’ve encountered another issue, which causes multiple CRC errors and >> renders ethernet completely useless, here’s the network stats: > > I also tried ignore_ltr for this issue, seems like it alleviates the > symptom a bit for a while, then the network still becomes useless after > some usage. > > And yes, it’s also a Whiskey Lake platform. What’s the next step to > debug this problem? > > Kai-Heng CRC errors not related to the LTR. Please, try to disable the ME on your platform. Hope you have this option in BIOS. Another way is to contact your PC vendor and ask to provide NVM without ME. Let's start debugging with these steps. > >> >> /sys/class/net/eno1/statistics$ grep . * >> collisions:0 >> multicast:95 >> rx_bytes:1499851 >> rx_compressed:0 >> rx_crc_errors:1165 >> rx_dropped:0 >> rx_errors:2330 >> rx_fifo_errors:0 >> rx_frame_errors:0 >> rx_length_errors:0 >> rx_missed_errors:0 >> rx_nohandler:0 >> rx_over_errors:0 >> rx_packets:4789 >> tx_aborted_errors:0 >> tx_bytes:864312 >> tx_carrier_errors:0 >> tx_compressed:0 >> tx_dropped:0 >> tx_errors:0 >> tx_fifo_errors:0 >> tx_heartbeat_errors:0 >> tx_packets:7370 >> tx_window_errors:0 >> >> Same behavior can be observed on both mainline kernel and on your >> dev-queue branch. >> OTOH, the same issue can’t be observed on out-of-tree e1000e. >> >> Is there any plan to close the gap between upstream and out-of-tree >> version? >> >> Kai-Heng > >