Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp811761ybv; Thu, 13 Feb 2020 09:58:31 -0800 (PST) X-Google-Smtp-Source: APXvYqy0DFg6WNGOgpRMo+Rj9q/nl/EOrXlqxmxp5wAhX1jqQa8tXIwItrY0ZY/mOKxRvozc6dmo X-Received: by 2002:a9d:4541:: with SMTP id p1mr14439412oti.199.1581616711083; Thu, 13 Feb 2020 09:58:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1581616711; cv=none; d=google.com; s=arc-20160816; b=P30AmugpviCi9r+kK9CRGo4AnA2/+Nw6XAgyhh73UyDoAjy7knYd1S/wl0MC+K7hgj jaukpMQRo7WN2BWVlYrcj5xH3D8Zkl2b0XqZaz6CFEyv2GCSVsqoyE7RBlVugN87KDpU Kddj36Gp1SdDLUaZ0Kuv0XWteLZbaXIp97oNU14u0nSktw/pdbeasQgd2qFG8VBrC7CI Nuj/XpI/ZxRWayfnRpMENkv7nZe+rUqMpmBi3G5pUVO6Ne50kX/1gQwJN9/FFz5JBqmY +jwmr8SaVqdGaD6koUoD+41JSBz5lpjYXs5kSXAjSut6hK912wc35ZA+ctAcQMPEFilV 4tAQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:to :from:date:dkim-signature; bh=Lr2ff7BNAkqLAkRgxJk1xwlEWpx8tFNSwxBL0+W8sLg=; b=zBjH0FO5AAOAzNDnkMSzJLkvqVNjmO8VEYOwAdT9BmTEvw5LwtF/HjZ/4WRiYtDoNR ejdUMsKbAOtm1fhyMKQ0cBQmB7+/bggaPnaGyjF6tKhak/zcHuCefVLhJ/ty2EtRMe1V /zZVlBFrVlmBeLmsCXSFEImWRV/72WqnHUXtGe1JRqIxjEKCOV4qniKjPJX8liBsHBF9 uewDGYH+D6ENEgGCqlFpRA+XxGfE4Q9Boz5r/Nxl6Ap/ecILFIQ03LrEc9pgPGOkO95Y bWFRKo9+OsO80cl/9gqKXyuN4V0hUfUg3/6YRoJKSSR+1d1t5iJvCrMqwg+JUSx1sitT m8Pw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=QUSBYNqQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n25si1474103oij.175.2020.02.13.09.58.19; Thu, 13 Feb 2020 09:58:31 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2020-01-29 header.b=QUSBYNqQ; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727906AbgBMR6E (ORCPT + 99 others); Thu, 13 Feb 2020 12:58:04 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:42144 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726282AbgBMR6E (ORCPT ); Thu, 13 Feb 2020 12:58:04 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 01DHnDmY149658; Thu, 13 Feb 2020 17:57:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2020-01-29; bh=Lr2ff7BNAkqLAkRgxJk1xwlEWpx8tFNSwxBL0+W8sLg=; b=QUSBYNqQh8fmU0UOxitL4OfEki1jaAsfdKQPoCZtOFb2ROx+X0umxmPqWq6dLS8F/SR6 X+zlG1hvy4pOZgmvKVZaiZEeMshqOoq3r+aSSZqOEmZV7rFqJyYr4O1vxC5KV/GcoVh5 DWZFLZanK8PsitgVzRrf50s0hptoSctGiNmlnLznK9UfqgyNjjlWR3BxLmTZ0lfGkfPG INuwGNzB6I5eWeYCtt0CHMaS45KjPsrhfMPCACEbeAkJXKk0iQJ5RqIaOxwwOYnGO+jg F7PiLwOEljgfPukQrbx3m8wy01/DT/JreLqc3iNh12Vo8ln4Y5rylQXcSjVfcr/BLj9C /A== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2120.oracle.com with ESMTP id 2y2p3sv38m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 13 Feb 2020 17:57:59 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 01DHvTbg028918; Thu, 13 Feb 2020 17:57:58 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 2y4kajy2m7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 13 Feb 2020 17:57:58 +0000 Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 01DHvses018923; Thu, 13 Feb 2020 17:57:54 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 13 Feb 2020 09:57:53 -0800 Date: Thu, 13 Feb 2020 09:57:53 -0800 From: "Darrick J. Wong" To: Christoph Hellwig , Linus Torvalds , Linux Kernel Mailing List Subject: Re: Regression: hibernation is broken since e6bc9de714972cac34daa1dc1567ee48a47a9342 Message-ID: <20200213175753.GS6874@magnolia> References: <20200213172351.GA6747@dumbo> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200213172351.GA6747@dumbo> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9530 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 bulkscore=0 suspectscore=0 mlxscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002130127 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9530 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 priorityscore=1501 clxscore=1015 impostorscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002130127 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Feb 13, 2020 at 06:23:51PM +0100, Domenico Andreoli wrote: > Hi, > > at some point between 5.2 and 5.3 my laptop started to refuse > hibernating and come back to a full functional state. It's fully 100% > reproducible, no oopses or any other damage to the state seems to happen. > > It took me a while to follow the trail down to this commit. If I revert > it from v5.6-rc1, the hibernation is back as in the old times. Hmm, do you know which hibernation mechanism your computer is using? --D > > commit e6bc9de714972cac34daa1dc1567ee48a47a9342 > Merge: b6c0d3577246 dc617f29dbe5 > Author: Linus Torvalds > Date: Wed Sep 18 17:35:20 2019 -0700 > > Merge tag 'vfs-5.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux > > Pull swap access updates from Darrick Wong: > "Prohibit writing to active swap files and swap partitions. > > There's no non-malicious use case for allowing userspace to scribble > on storage that the kernel thinks it owns" > > * tag 'vfs-5.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: > vfs: don't allow writes to swap files > mm: set S_SWAPFILE on blockdev swap devices > > > Is it possible to do anything? > > Regards, > Domenico > > -- > rsa4096: 3B10 0CA1 8674 ACBA B4FE FCD2 CE5B CF17 9960 DE13 > ed25519: FFB4 0CC3 7F2E 091D F7DA 356E CC79 2832 ED38 CB05