From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752257AbdLDWlk (ORCPT ); Mon, 4 Dec 2017 17:41:40 -0500 Received: from cloudserver094114.home.net.pl ([79.96.170.134]:54601 "EHLO cloudserver094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751380AbdLDWlj (ORCPT ); Mon, 4 Dec 2017 17:41:39 -0500 From: "Rafael J. Wysocki" To: Thomas Gleixner , Linus Torvalds Cc: Andy Lutomirski , Linux Kernel Mailing List , the arch/x86 maintainers Subject: Re: Linux 4.15-rc2: Regression in resume from ACPI S3 Date: Mon, 04 Dec 2017 23:41:06 +0100 Message-ID: <2809506.pL8kVbvXcY@aspire.rjw.lan> In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, December 4, 2017 11:38:54 PM CET Thomas Gleixner wrote: > On Mon, 4 Dec 2017, Linus Torvalds wrote: > > > On Mon, Dec 4, 2017 at 2:25 PM, Rafael J. Wysocki wrote: > > > > > > So far, resume from suspend-to-RAM (ACPI S3) is broken on all of the > > > systems I have tested, so it is probably safe to assume it to be > > > broken everywhere. > > > > Oh, it's definitely not broken everywhere, because I use it myself, > > and was traveling last week due to my mom's bday. > > > > HOWEVER. > > > > Some of the x86 work seems to have broken it for some configurations. > > In particular, do you have a big "everything enabled" kernel config - > > particularly lockdep and irqflags tracing enabled? > > > > Andy has a patch, but it hasn't made it to me yet (probably because > > the x86 people are very busy with the kaiser work): This definitely fixes the problem at least on one of the affected machines. > Picking it up right now. Cool, thanks! Rafael