From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zdenek Kabelac Subject: Re: Acpi deadlocks with 3.7.0-rc4 Date: Thu, 29 Nov 2012 13:26:48 +0100 Message-ID: <50B75488.3090904@redhat.com> References: <50A513A8.9010404@redhat.com> <50B73536.9060408@redhat.com> <2444442.WEaJk5cR6y@vostro.rjw.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:33595 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752947Ab2K2M04 (ORCPT ); Thu, 29 Nov 2012 07:26:56 -0500 In-Reply-To: <2444442.WEaJk5cR6y@vostro.rjw.lan> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Rafael J. Wysocki" Cc: Linus Torvalds , Len Brown , Linux ACPI , LKML Dne 29.11.2012 11:59, Rafael J. Wysocki napsal(a): > On Thursday, November 29, 2012 11:13:10 AM Zdenek Kabelac wrote: >> Dne 28.11.2012 20:07, Linus Torvalds napsal(a): >>> whole "prefix_node" pointer is bogus. It seems to have the value 0x1000. >> >> Tested also this patch with this result: >> >> https://bugzilla.kernel.org/show_bug.cgi?id=51071#c8 >> >> So while it's made it pass suspend/resume, it's not really usable >> as docking then. > > This just makes acpi_ns_lookup() always return acpi_gbl_root_node > for things looked up by acpi_ns_get_node() as far as I can say. > > Hmm. > > If my theory correct, the patch below should catch the bug. Can you please > test it? > Ok now crashing right after 'undock' button press: https://bugzilla.kernel.org/show_bug.cgi?id=51071#c10 Zdenek