From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755401AbbCBVkT (ORCPT ); Mon, 2 Mar 2015 16:40:19 -0500 Received: from v094114.home.net.pl ([79.96.170.134]:58820 "HELO v094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752896AbbCBVkS convert rfc822-to-8bit (ORCPT ); Mon, 2 Mar 2015 16:40:18 -0500 From: "Rafael J. Wysocki" To: Hudd , Jiang Liu Cc: Prakash Punnoor , jiang.liu@linux.intel.com, rafael.j.wysocki@intel.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: ACPI regression with 3.19+ Date: Mon, 02 Mar 2015 23:03:50 +0100 Message-ID: <2682430.9eTeHiC8BR@vostro.rjw.lan> User-Agent: KMail/4.11.5 (Linux/3.19.0+; KDE/4.11.5; x86_64; ; ) In-Reply-To: <1425323240.1125.17.camel@gmail.com> References: <54F18BD9.8040200@punnoor.de> <1674953.ShOInfAyGW@vostro.rjw.lan> <1425323240.1125.17.camel@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, March 02, 2015 10:07:20 PM Hudd wrote: > On Sun, 2015-03-01 at 01:00 +0100, Rafael J. Wysocki wrote: > > On Saturday, February 28, 2015 10:35:21 AM Prakash Punnoor wrote: > > > This is a multi-part message in MIME format. > > > --------------080704070901080904040008 > > > Content-Type: text/plain; charset=utf-8 > > > Content-Transfer-Encoding: 7bit > > > > > > Hallo, > > > > > > my system won't boot with current GIT kernel (see attached screenshot). > > > The system seems somewhat frozen (cannot ssh into it), but magic sysrq > > > still works. I bisected the problem to commit > > > 593669c2ac0fe18baee04a3cd5539a148aa48574. > > > > Thanks for reporting, we're working on it. > > Hello folks, > > I've tried out 4.0-rc1, and it does not boot on my system. It just > freezes without any messages (The only message I see is “Loading initial > ramdisk” from GRUB). I bisected the problem down to the same commit as > in this report. > > # first bad commit: [593669c2ac0fe18baee04a3cd5539a148aa48574] > x86/PCI/ACPI: Use common ACPI resource interfaces to simplify implementation So at the moment I'm inclined to revert it. Clearly, it wasn't thought through enough, so my suggestion would be to revert it for 4.0 and try again in the next cycle and be more careful this time. Gerry, would it cause problems to happen if I reverted this one? -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.