From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751857AbWJIMMW (ORCPT ); Mon, 9 Oct 2006 08:12:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751858AbWJIMMW (ORCPT ); Mon, 9 Oct 2006 08:12:22 -0400 Received: from ug-out-1314.google.com ([66.249.92.170]:60338 "EHLO ug-out-1314.google.com") by vger.kernel.org with ESMTP id S1751852AbWJIMMV (ORCPT ); Mon, 9 Oct 2006 08:12:21 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=VcesftMizB9u+icI/Icok60LtLkE5yAKQY9yU7nPTcYES/T8xhVhimbcKub+YKtKAC8T9Uq+7OlpIgtkvvzMbKqULH8UDP6m0zbJLjVDUKbvUJZQJsPeWyMPzIPzEhGLHLtPaWKVc+vzCc4mjU9XZvl4QBOpiri7l1QTfTlqasg= Message-ID: <41840b750610090512j42588537u16994de23d22cf38@mail.gmail.com> Date: Mon, 9 Oct 2006 14:12:18 +0200 From: "Shem Multinymous" To: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, hdaps-devel@lists.sourceforge.net Subject: Re: [Hdaps-devel] Debugging strange system lockups possibly triggered by ATA commands In-Reply-To: <877iz9ohbe.fsf@denkblock.local> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <877iz9ohbe.fsf@denkblock.local> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Elias, On 10/9/06, Elias Oltmanns wrote: > A slightly stripped version of the patch is available too, which has > been verified to trigger the described problem in exactly the same way > as the original but lacks the IDLE IMMEDIATE feature (leaving the > STANDBY IMMEDIATE option only) in order to make it (hopefully) more > readable and easier to understand. What happens if you strip away *all* the head parking code, leaving only the queue freeze code? Conversely, what happens if you issue the head park command but don't freeze the queue? Shem