From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933912AbbKSJKX (ORCPT ); Thu, 19 Nov 2015 04:10:23 -0500 Received: from mx2.suse.de ([195.135.220.15]:36048 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933685AbbKSJKI (ORCPT ); Thu, 19 Nov 2015 04:10:08 -0500 Subject: Re: Hibernate resume bug around 3,18-rc2 - Full PAT support To: vasvir@iit.demokritos.gr References: <564CF10E.6000905@iit.demokritos.gr> <564D6090.9020604@suse.com> Cc: linux-kernel@vger.kernel.org, Toshi Kani , "Luis R. Rodriguez" From: Juergen Gross X-Enigmail-Draft-Status: N1110 Message-ID: <564D91ED.4090403@suse.com> Date: Thu, 19 Nov 2015 10:10:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19/11/15 08:50, vasvir@iit.demokritos.gr wrote: > Hi, > > Thanks for the quick answer > >> >> Could you please try the most recent 4.3 kernel? There has been some >> work related to this topic after 4.2 (large page pat handling done by >> Toshi Kani and mtrr/pat handling by Luis Rodriguez). > > That means I will reset the bisection. Right? Is there any other info we > can extract from there? I don't see what else should be specific to that patch other than the information that the issue occurred due to that patch. All further diagnostic information should be obtainable with a newer kernel, too. > So Do you want me to test 4.3 or 4.4-pre/rc*/latest linus tree. I assume > 4.3 for now. I think 4.3 is okay. > I will do it later tonight. It will take 2 days at least to report back Okay, thank you for your effort! > >> >> Another interesting information would be the exact hardware you are >> using. Maybe we can see some similarities between yours and the other >> two cases you referenced above. >> > > It is an i7 > Motherboard: ASROCK H97 PRO4 RETAIL > CPU INTEL CORE I7-4790 3.60GHZ LGA1150 - BOX > It has 16GB of RAM, one SSD and one HDD > I have NO external graphics card > > Do you want me to run something on this like lspci, lsusb Yes, please post the output of both. > I upgraded the BIOS of the motherboard to the latest. This is not the > problem though because I upgraded after the problem occurred as a counter > measure in case I was hit by a buggy BIOS and linux had changed its > behavior to be stricter. BIOS was my first guess, but in case the other two reports are really due to the same problem I doubt the BIOS is to blame (one Lenovo and one Sony laptop). > I experimented with ACPI compilers/decompilers and I was tempted to fix my > ACPI tables but I didn't. > > I saw the kernel command line option acpi_os=!Windows2013 but I didn't try > it. Do you thing I should try it? You could try "nopat" as command line option. > >> Wow! Thanks for doing this work! >> > > I would like this to be fixed so I am willing to do the testing. I appreciate this spirit. :-) Juergen