Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755952AbYJPJkM (ORCPT ); Thu, 16 Oct 2008 05:40:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752585AbYJPJj6 (ORCPT ); Thu, 16 Oct 2008 05:39:58 -0400 Received: from ey-out-2122.google.com ([74.125.78.24]:20719 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751507AbYJPJj5 (ORCPT ); Thu, 16 Oct 2008 05:39:57 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=message-id:date:user-agent:mime-version:newsgroups:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding:from :sender; b=ls/zGZOWgSqKKuxC8KldMxmIdvQGFJSynLMTUjLMrS1LKDeRwasoCONUk8GZNJefzh yQvKXAu5TvJR/eGX9j4gnjgxPqjY0rZsQ+Gv1NPTAqA9hlFQBrccULPZh/bBiU8wc4lT a7mqwuU46/GFe7ur0FGDti+d0nFbEQCMo2I28= Message-ID: <48F70BE3.1050009@tuffmail.co.uk> Date: Thu, 16 Oct 2008 10:39:47 +0100 User-Agent: Thunderbird 2.0.0.17 (X11/20080925) MIME-Version: 1.0 Newsgroups: gmane.linux.acpi.devel,gmane.linux.kernel To: Zhao Yakui CC: "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Zhang Rui , Len Brown , linux-acpi , "Li, Shaohua" , mingo@elte.hu Subject: Re: Suspend/resume regression between 2.6.26 and 2.6.27-rc1 References: <1223625973.2735.142.camel@rzhang-dt> <200810101441.14123.rjw@sisk.pl> <1224143818.3944.68.camel@yakui_zhao.sh.intel.com> In-Reply-To: <1224143818.3944.68.camel@yakui_zhao.sh.intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Alan Jenkins Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2749 Lines: 57 Zhao Yakui wrote: > On Fri, 2008-10-10 at 14:41 +0200, Rafael J. Wysocki wrote: >> On Friday, 10 of October 2008, Zhang Rui wrote: >>> Hi, len, >>> >>> this is the ACPI regression test result based on the latest ACPI test branch. >>> >>> 1. on Acer:(AMD CPU, VIA chipset. 64 bit kernel) >>> When doing S3 test, after pressing the power button, the system >>> reboots instead of resuming. But if S3 is done after S4, the system can >>> resume very well after pressing power button or using the RTC >>> alarm. >>> Note that this is an upstream regression as it can be reproduced on >>> linus' tree. >>> Yakui is investigating this issue. >> We had some reports of the second suspend (S3) failure too, where the second >> attempt to suspend to RAM (or to resume from it) failed after a successful >> one. I wonder if that's related. > Some suspend/resume tests are done on one Acer laptop(AMD CPU, VIA > chipset, 64-bit kernel). > The system will be rebooted when pressing power button after the box > enters S3 state. But if S3 is done after doing S4, the system can be > resumed very well after pressing power button.This issue can be > reproduced on the upstream kernel. > > After the further test we can confirm that this is a regression. The > 2.6.26 kernel can work well on this box. But the 2.6.27-rc1 will fail. > > After using the git-bisect it is confirmed that the commit > 736f12bff9d9e7b4e895c64f73b190c8383fc2a1 is good. > >commit 736f12bff9d9e7b4e895c64f73b190c8383fc2a1 > >Author: Glauber Costa > > Date: Tue May 27 20:14:51 2008 -0700 > >x86: don't use gdt_page openly. > > And the commit > 55f262391a2365d657a00ed68edd1a51bca66af5 is bad. > >commit 55f262391a2365d657a00ed68edd1a51bca66af5 > >Author: Yinghai Lu > >Date: Wed Jun 25 17:54:23 2008 -0700 > >x86: rename setup_32.c to setup.c > > The patches between the above two commits are related with X86. When > using git-bisect between the above two commits, we will get the > compiling errors(For example: some files don't exist) or the kernel > panic. So we can't continue using git-bisect to identify which commit > the regression is caused by. There's a known fix for the kernel panic. It's referenced at . That should help you bisect down to a smaller range. Hopefully you can rule out the commit that caused^Wexposed Bug #11237, which is really a nasty BIOS bug. HTH Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/