From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751952AbdG1MeJ (ORCPT ); Fri, 28 Jul 2017 08:34:09 -0400 Received: from mga06.intel.com ([134.134.136.31]:60444 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751690AbdG1MeI (ORCPT ); Fri, 28 Jul 2017 08:34:08 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.40,425,1496127600"; d="scan'208";a="883767168" Subject: Re: Suspend-resume failure on Intel Eagle Lake Core2Duo To: Tomi Sarvela , Thomas Gleixner Cc: jeffy.chen@rock-chips.com, linux-kernel@vger.kernel.org References: <4d6b511a-61d5-3c5e-a406-9f71d83670b6@linux.intel.com> <864ff133-815c-0c7f-5e36-fdcc32d0261d@linux.intel.com> <2ecc8ffd-e041-2d53-6f33-e91b3ec701eb@linux.intel.com> <67de95b4-a869-d897-e76c-17c974fb21a6@linux.intel.com> <862ba91e-9185-89a8-da81-63bb42ea565d@intel.com> From: Martin Peres Message-ID: <820f14ea-a9a0-52fd-6cae-8888bb47f93e@linux.intel.com> Date: Fri, 28 Jul 2017 15:34:03 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <862ba91e-9185-89a8-da81-63bb42ea565d@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 27/07/17 10:36, Tomi Sarvela wrote: > On 26/07/17 17:26, Thomas Gleixner wrote: >> On Wed, 26 Jul 2017, Martin Peres wrote: >>> On 25/07/17 10:01, Tomi Sarvela wrote: >>>> On 24/07/17 19:37, Martin Peres wrote: >>>>> On 24/07/17 19:35, Thomas Gleixner wrote: >>>>>> On Mon, 24 Jul 2017, Martin Peres wrote: >>>>>>> On 24/07/17 18:28, Thomas Gleixner wrote: >>>>>>>> Output of 'cat /proc/interrupts' and a description what kind of >>>>>>>> 'old' Intel >>>>>>>> platform that is. >>>>>>> >>>>>>> Sorry, I should have repeated the name outside of just the >>>>>>> subject of >>>>>>> the >>>>>>> email. It is an Intel Eagle Lake Core2Duo. >>>>>> >>>>>> I hoped you would give me a little bit more details, but I Gurgled it >>>>>> now. I try to find such a beast and look what's wrong there. If I >>>>>> can't >>>>>> find one, I'll come back with some debug patches. >>>>> >>>>> Ha, sorry! >>>>> >>>>> Here is all the info I have: >>>>> - Hardware: HP Compaq 8000 >>>>> - CPU: Eagle Lake Core2Duo E7500 >>>> >>>> As mentioned, it's HP Compaq 8000 Elite, desktop tower in most basic >>>> configuration: one SATA SSD, 4GB memory and so on. Most recent BIOS >>>> from >>>> around 2012, no UEFI. >>>> >>>> If you have proposed fix for the issue, I'll be happy to test them. >>>> >>>> Best regards, >>> >>> Thanks for the information Tomi. >>> >>> Thomas, any update on this? Another user reported the problem: >> >> Not yet. >> >>> "I have the same thing on an old cheap laptop. >>> model name : Intel(R) Core(TM)2 CPU >>> cpu family : 6 >>> model : 15 >>> >>> Previously, this never happened on the kernel series 4.{10,11,12}. >>> After reverted commit bf22ff45bed664 on 4.13-rc2, unfortunately it >>> still hangs >>> when it wakes up. >> >> So reverting that commit does not help. Does it help on your machine? > > Yes. Reverting it does not cause the machine to lock up on resume. > > I haven't tested if the machine locks up later on, but at least it > survives couple of s/r cycles FYI, the user who reported reverting the patch was not sufficient actually now says he was hit by a second bug which he found. So, a revert is always possible. Cheers, Martin