From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonathan Nieder Subject: Re: [PATCH 04/50] ACPICA: Fix to allow region arguments to reference other scopes Date: Thu, 1 Mar 2012 09:27:55 -0600 Message-ID: <20120301152754.GA3167@burratino> References: <1326802902-21583-1-git-send-email-lenb@kernel.org> <8931d9ea78848b073bf299594f148b83abde4a5e.1326802229.git.len.brown@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-tul01m020-f174.google.com ([209.85.214.174]:51271 "EHLO mail-tul01m020-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755512Ab2CAP2F (ORCPT ); Thu, 1 Mar 2012 10:28:05 -0500 Content-Disposition: inline In-Reply-To: <8931d9ea78848b073bf299594f148b83abde4a5e.1326802229.git.len.brown@intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Len Brown Cc: linux-acpi@vger.kernel.org, linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Jim Green , Lin Ming , Bob Moore , Len Brown , Arne Nordmark Hi, Len Brown wrote[1]: > From: Lin Ming [...] > http://www.acpica.org/bugzilla/show_bug.cgi?id=937 > http://marc.info/?l=linux-acpi&m=131636632718222&w=2 > > ACPI Error: [RAMB] Namespace lookup failure, AE_NOT_FOUND (20110112/psargs-359) > ACPI Exception: AE_NOT_FOUND, Could not execute arguments for [RAMW] (Region) (20110112/nsinit-349) > > Scope (_SB) > { > Name (RAMB, 0xDF5A1018) > OperationRegion (\RAMW, SystemMemory, RAMB, 0x00010000) > } > > For above ASL code, we need to save scope node(\_SB) to lookup > the argument node(\_SB.RAMB). > > Reported-by: Jim Green > Signed-off-by: Lin Ming > Signed-off-by: Bob Moore > Signed-off-by: Len Brown Arne Nordmark reports[2] that this patch, when applied to 3.2.5, fixes a resume failure. Thanks! Would it be safe and useful to backport this fix to stable/longterm kernels? If so, which ones? Jonathan [1] commit 8931d9ea7884 [2] http://bugs.debian.org/661581