From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755366AbXIYOgQ (ORCPT ); Tue, 25 Sep 2007 10:36:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752370AbXIYOgA (ORCPT ); Tue, 25 Sep 2007 10:36:00 -0400 Received: from www.osadl.org ([213.239.205.134]:60974 "EHLO mail.tglx.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751468AbXIYOf7 (ORCPT ); Tue, 25 Sep 2007 10:35:59 -0400 Subject: Re: 2.6.23-rc8-mm1, -rc7-mm1 kill audio on HP nx6325 From: Thomas Gleixner To: "Rafael J. Wysocki" Cc: Andrew Morton , Andi Kleen , Takashi Iwai , LKML In-Reply-To: <200709251629.46493.rjw@sisk.pl> References: <200709251408.54361.rjw@sisk.pl> <200709251520.09794.rjw@sisk.pl> <1190727843.4035.345.camel@chaos> <200709251629.46493.rjw@sisk.pl> Content-Type: text/plain Date: Tue, 25 Sep 2007 16:35:52 +0200 Message-Id: <1190730952.17409.1.camel@chaos> Mime-Version: 1.0 X-Mailer: Evolution 2.12.0 (2.12.0-3.fc8) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2007-09-25 at 16:29 +0200, Rafael J. Wysocki wrote: > > > lookup failed for 18446604438082158592 > > > [--snipped some USB messages--] > > > ALSA /home/rafael/src/mm/linux-2.6.23-rc8-mm1/sound/pci/hda/hda_intel.c:1756: hda-intel: ioremap error: 2349334528 16384 > > > > Stupid me, hex formatting would have been easier to read :) > > > > Lookup failed for 0xFFFF 8100 8C08 0000 > > ioremap: 0x0000 0000 8C08 0000 length 16384 > > > > It seems, that this patch only reveals some other wreckage. The code is > > called as part of ioremap, where it adjusts the caching attributes of > > the mapping, which was setup right before change_page_attr_address() is > > called. > > Hm, it looks like the first address is a kernel one and the second one is > physical, so they apparently match, which means that the lookup shouldn't fail, > if I understand this correctly. Yes, the lookup address is virtual and it should be the one, which was mapped right before the call to change_page_attr_address(). I'm looking into that right now. tglx