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 E89AEC433EF for ; Mon, 7 Feb 2022 18:39:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237574AbiBGSiy (ORCPT ); Mon, 7 Feb 2022 13:38:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229707AbiBGSig (ORCPT ); Mon, 7 Feb 2022 13:38:36 -0500 X-Greylist: delayed 1078 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Mon, 07 Feb 2022 10:38:35 PST Received: from l2mail1.panix.com (l2mail1.panix.com [166.84.1.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 370A6C0401D9; Mon, 7 Feb 2022 10:38:35 -0800 (PST) Received: from mailbackend.panix.com (mailbackend.panix.com [166.84.1.89]) by l2mail1.panix.com (Postfix) with ESMTPS id 4JsvZt0n2zzDSP; Mon, 7 Feb 2022 13:20:38 -0500 (EST) Received: from [192.168.8.112] (unknown [172.58.175.115]) by mailbackend.panix.com (Postfix) with ESMTPSA id 4JsvZn4ZQmzxgQ; Mon, 7 Feb 2022 13:20:33 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=panix.com; s=panix; t=1644258036; bh=AweUI9+98BU3L9qNDLySuxNanB+460xiJXBRJN+1gT0=; h=Date:From:Reply-To:To:cc:Subject:In-Reply-To:References; b=e6E4jOsvpnkSO2iEjQFuauRoWTIKpvbyBeKqdpK3sCWwxMLrGzBr5I+DznPgHcSH/ F8jUQhGybLW99RtGkXvyqc1wL3QBUVVvL6l1hIP09An9oYIsYtxkGcigx01wUSreWf +SFa4ucDUb7Atts9SbQkLM0MbE833Wv7iaS3bDlM= Date: Mon, 7 Feb 2022 10:20:32 -0800 (PST) From: "Kenneth R. Crudup" Reply-To: "Kenneth R. Crudup" To: Bjorn Helgaas cc: Vidya Sagar , bhelgaas@google.com, lorenzo.pieralisi@arm.com, hkallweit1@gmail.com, wangxiongfeng2@huawei.com, mika.westerberg@linux.intel.com, kai.heng.feng@canonical.com, chris.packham@alliedtelesis.co.nz, yangyicong@hisilicon.com, treding@nvidia.com, jonathanh@nvidia.com, abhsahu@nvidia.com, sagupta@nvidia.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, kthota@nvidia.com, mmaddireddy@nvidia.com, sagar.tv@gmail.com, "Kenneth R. Crudup" Subject: Re: [PATCH V1] PCI/ASPM: Save/restore L1SS Capability for suspend/resume In-Reply-To: <20220207163332.GA397884@bhelgaas> Message-ID: <79a41832-12e2-2ed-f3af-da3bac90d941@panix.com> References: <20220207163332.GA397884@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 7 Feb 2022, Bjorn Helgaas wrote: > I think it's more likely that something changed in BIOS settings or > other configuration, which means other people may trip over it even if > you don't see it. Do you remember any BIOS updates, BIOS setup > tweaks, hardware changes, kernel parameter changes, etc? I thought about that Saturday morning, and yeah, it's been over a year, and Dell has released at least two BIOS updates since then. > If the problem really was fixed by some change elsewhere, it *should* > still happen on v5.11-rc1. I think we should verify that and try to > figure out what the other change was. Yeah, not a bad idea. I'm a little busy now, but I'll cut a kernel at 4257f7e0, remake, and see what happens. Gimme a day or so. -Kenny -- Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange County CA