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[23.128.96.18]) by mx.google.com with ESMTP id u16si21759374ejo.26.2020.12.29.22.56.27; Tue, 29 Dec 2020 22:56:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@nvidia.com header.s=n1 header.b=LI9Y2d9v; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726242AbgL3Gz7 (ORCPT + 99 others); Wed, 30 Dec 2020 01:55:59 -0500 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:11368 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726190AbgL3Gz7 (ORCPT ); Wed, 30 Dec 2020 01:55:59 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Tue, 29 Dec 2020 22:55:18 -0800 Received: from [10.25.75.115] (172.20.145.6) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 30 Dec 2020 06:55:09 +0000 Subject: Re: Commit 4257f7e0 ("PCI/ASPM: Save/restore L1SS Capability for suspend/resume") causing hibernate resume failures To: "Kenneth R. Crudup" , Bjorn Helgaas CC: , References: <20201228040513.GA611645@bjorn-Precision-5520> <88d569d8-09c-6bfc-c246-f4989bfbc1@panix.com> From: Vidya Sagar Message-ID: <73f7f072-583c-cf54-a034-55e2f1990c52@nvidia.com> Date: Wed, 30 Dec 2020 12:25:01 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.5.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL101.nvidia.com (172.20.187.10) To HQMAIL107.nvidia.com (172.20.187.13) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1609311318; bh=pGhx0x6gcGo+CvOkFeFXFsYPgldX6j2ocaj4Tw3h3hw=; h=Subject:To:CC:References:From:Message-ID:Date:User-Agent: MIME-Version:In-Reply-To:Content-Type:Content-Language: Content-Transfer-Encoding:X-Originating-IP:X-ClientProxiedBy; b=LI9Y2d9v9LWO9i0IsJCU936nhEmLtierdqwpd7WkoJB8nrHTI3TVsluR0Q9cTTN0k QEUipDdPJPegmWY9zDDH8nmB8AEbtdGaj3xuMjAp/pGmHTurLgzKVuOHXKIqhF8jhC r4Rc6IYAy97gmSFrIhKQwAPR2eOIOW5SPbZy6qgDJ0tbeIQgWtBKwInDGGTiP2KEzu Hi1TO8GNSAWUqhySXdz9qiDECx99m8VK+M6+m/PHfsH03g9HxxT4/YrQYUQARxcrhY E4VBOoFPPOjqsknzksSMeN6GXs+2h3pifzCn5HBBJV/Ns0/Qk6JbQCDP1bN3Lu4XpD yAB+P43tccO5A== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ideally Bjorn's patch should have worked. Could you please collect 'sudo lspci -vv' (please don't forget to give sudo) with Bjorn's patch before and after hibernate? Also, is it right to say that with policy set to "performance" there is no issue during hibernate/resume? - Vidya Sagar On 12/28/2020 12:00 PM, Kenneth R. Crudup wrote: > External email: Use caution opening links or attachments > > > On Sun, 27 Dec 2020, Kenneth R. Crudup wrote: > >> I'll try your patch after the revert and see if anything changes. > > I just realized today's patch makes no sense if it's reverted, so nevermind. > > -Kenny > > -- > Kenneth R. Crudup Sr. SW Engineer, Scott County Consulting, Orange County CA >