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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8440C433F5 for ; Mon, 28 Feb 2022 18:32:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240796AbiB1Sci (ORCPT ); Mon, 28 Feb 2022 13:32:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240651AbiB1Scd (ORCPT ); Mon, 28 Feb 2022 13:32:33 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 237E6F4D08 for ; Mon, 28 Feb 2022 10:15:31 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id C8DA86090A for ; Mon, 28 Feb 2022 18:15:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0307BC340E7; Mon, 28 Feb 2022 18:15:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646072130; bh=SuKPO0M/231Zpn2uVrhtFu6sK1UCV0OmbB0lcNUO4Mk=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=qbi3qGCsxCOv1M6mQsp9/kAZzxftrGrHfA7CVF5Y/O3WPI6LfI/BUox86sUhXUu5K DHtfjNymN2HBnjCNDG9C6SJw/FjbyPnLYbRCLxGWukV7Orcp3m6xyR+q3M+3cmwGYR MVGBBWDRN9/bIxdCBDr82dvV+zLNRnmnprmht79siueRbqRa6rCPSrCfNFer4dy2Ib qii80NhAMAtU8Ia+U/CMCvzp89Jg5JeFiXOqZfZTW+hmgBSxdhj2/M/niHAMYLifUc 8tB4BQiogP8/9xXUJceaOGEUN8kg81Z5cVcck0tjZVSxJSIcU7HC6aDki+Tq4f75Yz z1y8Ao1kUhWsA== Date: Mon, 28 Feb 2022 12:15:28 -0600 From: Bjorn Helgaas To: linux-pci@vger.kernel.org Cc: Zhihao Wang Subject: Re: [Bug 215644] New: "PCIe Bus Error: severity=Corrected, type=Data Link Layer" flood Message-ID: <20220228181528.GA509767@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Sun, Feb 27, 2022 at 02:34:29AM +0000, bugzilla-daemon@kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=215644 > > Bug ID: 215644 > Summary: "PCIe Bus Error: severity=Corrected, type=Data Link > Layer" flood > Product: Drivers > Kernel Version: 5.13.0-30-generic(Ubuntu 20.04 LTS) > Hardware: Intel > Priority: P1 > Reporter: wangzhihao9@hotmail.com > Regression: No > > [36418.907739] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Receiver ID) > [36418.907759] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00000080/00002000 > [36418.907779] pcieport 0000:00:1c.4: [ 7] BadDLLP > [36422.383718] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4 > [36422.383758] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) > [36422.383770] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00001000/00002000 > [36422.383785] pcieport 0000:00:1c.4: [12] Timeout > [36423.383999] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4 > [36423.384044] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) > [36423.384057] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00001000/00002000 > [36423.384073] pcieport 0000:00:1c.4: [12] Timeout > [36423.384099] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4 > [36423.384137] pcieport 0000:00:1c.4: AER: can't find device of ID00e4 > [36423.384145] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4 > [36423.384167] pcieport 0000:00:1c.4: PCIe Bus Error: severity=Corrected, type=Data Link Layer, (Transmitter ID) > [36423.384177] pcieport 0000:00:1c.4: device [8086:02bc] error status/mask=00001000/00002000 > [36423.384188] pcieport 0000:00:1c.4: [12] Timeout > [36423.384218] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4 > [36423.384244] pcieport 0000:00:1c.4: AER: can't find device of ID00e4 > [36425.385279] pcieport 0000:00:1c.4: AER: Corrected error received: 0000:00:1c.4 > > The Device is 00:1c.0 PCI bridge: Intel Corporation Device 02b8 (rev f0) > -- 02:00.0 3D controller: NVIDIA Corporation GP108M [GeForce MX250] (rev a1) > > It happens just after I open the ASPM of the video card to make CPU to achieve > the Package pc8 state for Power Saving. Normally only pc2. > > Hewlett Packard disabled the ASPM of Video Card in the BIOS defaultly. Thanks for the report! I'm ccing it to the linux-pci since the Bugzilla doesn't get much visibility. How do you enable ASPM? Please collect the complete dmesg log and "sudo lspci -vv" output (before enabling ASPM, and also after if possible) and attach them to the bugzilla. Bjorn