From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753834AbZHPDCM (ORCPT ); Sat, 15 Aug 2009 23:02:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753780AbZHPDCM (ORCPT ); Sat, 15 Aug 2009 23:02:12 -0400 Received: from ey-out-2122.google.com ([74.125.78.27]:8887 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753739AbZHPDCL (ORCPT ); Sat, 15 Aug 2009 23:02:11 -0400 From: Ricardo Jorge da Fonseca Marques Ferreira To: Len Brown Subject: Re: Regression in ACPI in 2.6.31-rc5 Date: Sun, 16 Aug 2009 04:00:03 +0100 User-Agent: KMail/1.12.0 (Linux/2.6.31-rc5-git9-17-default; KDE/4.3.0; x86_64; ; ) Cc: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org References: <200908072333.24631.storm@sys49152.net> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200908160400.03391.storm@sys49152.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 13 August 2009, Len Brown wrote: > > I had two drivers stop working in 2.6.31 that were working fine in > > 2.6.30. They are iwlagn and sky2. If i pass acpi=off to the kernel, they > > work as expected. > > the bug report for this issue is here: > http://bugzilla.kernel.org/show_bug.cgi?id=13940 > > is it possible to bisect which commit between 2.6.30 and 2.6.31-rc5 > caused this regression? git bisect tells me that commit 5d423ccd7ba4285f1084e91b26805e1d0ae978ed (x86/pci: remove rounding quirk from e820_setup_gap()) caused the problem. I built a kernel based on HEAD with that commit reverted and both drivers work.