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=-11.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 C35DBC2B9F4 for ; Tue, 22 Jun 2021 12:58:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9DDC360720 for ; Tue, 22 Jun 2021 12:58:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231653AbhFVNAU (ORCPT ); Tue, 22 Jun 2021 09:00:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:55506 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231236AbhFVNAU (ORCPT ); Tue, 22 Jun 2021 09:00:20 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 69C9F6135D; Tue, 22 Jun 2021 12:58:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1624366684; bh=MsIXue48g+U6sIDtLdK3UXNuqIBbcFzvvUz0rBjHvdo=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=hx90C9IPTtx7kgLWBWoSFbt7+kMMuLb/zAQr7ZmFTRobqkFoDXc46UIF6Jq84+fOh 4zyLTs50YFs76pdDT6h8JNdeEjxyv43X4TMUCDUdAFPT7/rOmu/1rCXvqePZ9SSMcq 03x2UO/EV6yIRA9m3QK8zqs5DyQe09SW3HCNU8ENtbDLAQkH/S/1i0SQoMFn1lfKSh WDQHd8vPlP1WUZH0uYAxqUuG58bqcWyB1eoUUGk6OYM5G55JTfAjGux9mpTPKm8JGn BF8YeToGeGlDVYn09BgcjSjU7IDfeLqIyADaifhjXxBxshj5Tz1l0VVPSIOBlpJe2U WejcNj3yZlnmQ== Date: Tue, 22 Jun 2021 07:58:02 -0500 From: Bjorn Helgaas To: "Rafael J. Wysocki" Cc: "Rafael J. Wysocki" , Michael , Jesse Brandeburg , Mika Westerberg , Linux PCI , Linux PM Subject: Re: [bugzilla-daemon@bugzilla.kernel.org: [Bug 213481] e1000e hardware failure due to PCI patch in all kernels 5.10.36+ with Intel I219-V] Message-ID: <20210622125802.GA3323179@bjorn-Precision-5520> 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-pm@vger.kernel.org On Tue, Jun 22, 2021 at 02:21:06PM +0200, Rafael J. Wysocki wrote: > On Tue, Jun 22, 2021 at 12:02 AM Bjorn Helgaas wrote: > > > > FYI. Looks like 4514d991d992 ("PCI: PM: Do not read power state in > > pci_enable_device_flags()") appeared in v5.13-rc1, so it would be nice > > to fix before v5.13. > > I think let's revert it for now and revisit. Sounds good. > Do you want me to push the revert? Sure, it'd be great if you could. I'm traveling and don't have as much time as usual this week. Thanks! > > https://bugzilla.kernel.org/show_bug.cgi?id=213481 > > > > Initial report: > > > > On the 4.19 kernel, this works perfect. It also works perfectly in > > Windows. If I reboot into 4.19, there is no problem with networking, > > however in 5.10, there is ZERO network connectivity. The link NEVER > > comes up. You can't assign an IP address to the interface. > > > > > > From comment #2: > > > > If I revert commit 4514d991d99211f225d83b7e640285f29f0755d0 ( > > https://github.com/torvalds/linux/commit/4514d991d99211f225d83b7e640285f29f0755d0) > > from the 5.10.36 kernel, I do NOT have this hardware failure > > message. This commit relates to PCI power state. > > > > It would appear something about this change that the e1000e driver > > is not handling properly on this system, causing the card to not > > work. > > > > As mentioned this is in current kernel versions (5.13, 5.11, and > > 5.10.36+). Given that this is a regression, a breaking change for > > the usability of these cards, and we know exactly what causes it for > > a hopefully easy fix, I've upped the severity.