From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] libata: Handle bay devices in dock stations Date: Mon, 9 Jun 2008 02:48:18 +0100 Message-ID: <20080609014818.GA32083@srcf.ucam.org> References: <20080528143857.GB5585@homac.suse.de> <4845886E.2010505@garzik.org> <20080603181346.GA5013@srcf.ucam.org> <484C8AE1.3010908@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:60870 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754923AbYFIBsW (ORCPT ); Sun, 8 Jun 2008 21:48:22 -0400 Content-Disposition: inline In-Reply-To: <484C8AE1.3010908@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Jeff Garzik , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, linux-acpi@vger.kernel.org, akpm@linux-foundation.org On Mon, Jun 09, 2008 at 10:44:01AM +0900, Tejun Heo wrote: > TF-based ATA controllers are very sensitive to how the registers are > accessed and sometimes lock up the whole machine when they are not happy > by indefinitely holding the PCI bus. This could have been the case if > IOs were in flight when the dock event occurred. Were they? I'd stopped hal, so I can't imagine that userspace was causing any to be generated at that point. -- Matthew Garrett | mjg59@srcf.ucam.org