From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: SATA HDD password problem Date: Sun, 09 Mar 2008 14:13:49 +0900 Message-ID: <47D3720D.7040004@gmail.com> References: <47CE9264.1010600@garzik.org> <47CFBDB6.8040400@gmail.com> <47D0BC5A.9000208@gmail.com> <47D1E91D.8090704@gmail.com> <47D371F5.1020804@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.190]:60763 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750921AbYCIFNz (ORCPT ); Sun, 9 Mar 2008 00:13:55 -0500 Received: by rv-out-0910.google.com with SMTP id k20so722101rvb.1 for ; Sat, 08 Mar 2008 21:13:54 -0800 (PST) In-Reply-To: <47D371F5.1020804@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: "Rus V. Brushkoff" Cc: Jeff Garzik , linux-ide@vger.kernel.org, Mark Lord Tejun Heo wrote: > Unless I'm mistaken, this means that the BIOS is disabling SSP during > POST, which it really shouldn't. There's no guarantee that a hardreset > won't occur even if the OS doesn't do it explicitly and when that > happens the drive will get locked and OS can't unlock it without asking > the user for password. Eeeeek, ugly. > > specified, The attached patch implements ahci.skip_host_reset module > parameter. If specified, host reset is skipped during controller > initialization. Does this work around the problem? Oh, and if it does, please post the result of "hdparm -I" after booting. -- tejun