From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: Re: ec locking issue Date: Tue, 20 Feb 2007 21:24:36 +0300 Message-ID: <45DB3CE4.8090001@linux.intel.com> References: <20070215192616.GA31595@isilmar.linta.de> <45D4BF92.5050401@linux.intel.com> <200702161254.55430.lenb@kernel.org> <20070219134431.GG9283@isilmar.linta.de> <20070219214502.GA19762@isilmar.linta.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mga07.intel.com ([143.182.124.22]:7612 "EHLO azsmga101.ch.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750986AbXBTSYz (ORCPT ); Tue, 20 Feb 2007 13:24:55 -0500 In-Reply-To: <20070219214502.GA19762@isilmar.linta.de> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Dominik Brodowski Cc: Len Brown , linux-acpi@vger.kernel.org Dominik Brodowski wrote: > Hi, > > On Mon, Feb 19, 2007 at 08:44:31AM -0500, Dominik Brodowski wrote: > >> On Fri, Feb 16, 2007 at 12:54:55PM -0500, Len Brown wrote: >> >>>>> acpi_ec_transaction >>>>> acpi_ec_read >>>>> acpi_ec_space_handler >>>>> acpi_ev_address_space_dispatch >>>>> acpi_ex_access_region >>>>> acpi_ex_field_datum_ >>>>> acpi_ex_extract_from_field >>>>> ... >>>>> acpi_ex_ns_evaluate >>>>> acpi_ev_execute_reg_method >>>>> acpi_ev_reg_run >>>>> acpi_ns_walk_namespace >>>>> acpi_ev_execute_reg_methods >>>>> acpi_install_address_space_handler >>>>> acpi_ec_start >>>>> acpi_start_single_object >>>>> acpi_device_probe >>>>> really_probe >>>>> ... >>>>> bus_add_driver >>>>> ... >>>>> acpi_ec_init >>>>> >>> Alexey, >>> Thanks for the fix -- it is applied. >>> >>> Dominik, >>> Did this fix help, or is the problem elsehwere? >>> >> Unfortunately, this doesn't solve the issue for me -- now I get a panic with >> EIP at __list_add+0x2d/0x60, with the call trace being >> >> ... >> die >> do_page_fault >> error_code >> __mutex_lock_slowpath >> mutex_lock >> acpi_ec_transaction >> >> and then the same as above... Will try it out with lockdep disabled. >> > > No, doesn't seem to be lockdep-related; same issue continues. "acpi=off" > fixes the issue, though, of course... > > Thanks, > Dominik > Dominik, Could you send your acpidump and full dmesg please? Thanks, Alex.