From mboxrd@z Thu Jan 1 00:00:00 1970 From: Randy Dunlap Subject: Re: [PATCH 6/6 update] SATA ACPI: ata_acpi functions Date: Thu, 8 Dec 2005 17:03:02 -0800 Message-ID: <20051208170302.4acc426d.randy_d_dunlap@linux.intel.com> References: <20051202100119.032b242e.randy_d_dunlap@linux.intel.com> <20051202100850.11b831ea.randy_d_dunlap@linux.intel.com> <20051206135815.5026647c.randy_d_dunlap@linux.intel.com> <1133973407.43970f9fdf6dd@www.ijichi.org> <20051207091639.00a7a232.randy_d_dunlap@linux.intel.com> <1133976270.43971ace1c015@www.ijichi.org> <20051207103449.2922faf3.randy_d_dunlap@linux.intel.com> <1134035010.4398004299a80@www.ijichi.org> <20051208161601.14a07dca.randy_d_dunlap@linux.intel.com> <1134087622.4398cdc67c72b@www.ijichi.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from fmr19.intel.com ([134.134.136.18]:39867 "EHLO orsfmr004.jf.intel.com") by vger.kernel.org with ESMTP id S1750743AbVLIBAG (ORCPT ); Thu, 8 Dec 2005 20:00:06 -0500 In-Reply-To: <1134087622.4398cdc67c72b@www.ijichi.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Dominic Ijichi Cc: linux-ide@vger.kernel.org, axboe@suse.de, jgarzik@pobox.com > > > > OK, well, that's a little better, but the top of the backtrace > > > > is where the nitty gritty info is. > > > > Is it possible for you to use any other method of capturing > > > > more fault messages, like serial console, netconsole, > > > > or even higher resolution video (and smaller font) > > > > so that I can see where the fault is actually happening? > > > > > > > > Thanks. > > > > > > ok. eye-watering font, but here's what it says: > > > > Thanks for doing that. > > Did you enable ACPI debug output? If so, how? > > (in .config or by modifying a header file? > > if by modifying a header file, please tell us > > exactly.) > > ACPI_DEBUG in .config and also applied your debug patch Yes, easy to reproduce with CONFIG_ACPI_DEBUG=y. My new code frees a buffer that it does not own. Just comment out or delete line 156 in drivers/scsi/ata_acpi.c, which is: ACPI_MEM_FREE(dinfo); It shouldn't be there. Thanks! --- ~Randy