Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751652AbdIUB5E (ORCPT ); Wed, 20 Sep 2017 21:57:04 -0400 Received: from jake.logic.tuwien.ac.at ([128.130.175.117]:44012 "EHLO jake.logic.tuwien.ac.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751343AbdIUB5D (ORCPT ); Wed, 20 Sep 2017 21:57:03 -0400 Date: Thu, 21 Sep 2017 10:56:57 +0900 From: Norbert Preining To: Ming Lei Cc: Linux Kernel Mailing List Subject: Re: 4.13 breaks suspend to ram wakeup Message-ID: <20170921015657.62okkbft6es3o7c2@burischnitzel.preining.info> References: <20170920164809.s4mnlzjykroe5tn3@burischnitzel.preining.info> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 789 Lines: 28 Hi Ming, > So could you share us how often it is triggered? and what is your underlying > disk behind dm-crypt? It is triggered *every* time I suspend. Underlying disk is scsi 1:0:0:0: Direct-Access ATA WDC WD10JPVX-08J 1A07 PQ: 0 ANSI: 5 I checked the values in /sys/block/dm-?/dm/use_blk_mq and they are all set to 0. > BTW, you can debug and collect some dmesg log during system suspend/resume > without serial console: I will try that tonight, now I am at work. > Please get the patches backported to v4.13 in the following tree: Thanks Norbert -- PREINING Norbert http://www.preining.info Accelia Inc. + JAIST + TeX Live + Debian Developer GPG: 0x860CDC13 fp: F7D8 A928 26E3 16A1 9FA0 ACF0 6CAC A448 860C DC13