From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 4 Mar 2003 09:12:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 4 Mar 2003 09:12:35 -0500 Received: from pc2-cwma1-4-cust86.swan.cable.ntl.com ([213.105.254.86]:48031 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Tue, 4 Mar 2003 09:12:33 -0500 Subject: Re: system hang on HDIO_DRIVE_RESET! help! From: Alan Cox To: "rain.wang" Cc: Linux Kernel Mailing List In-Reply-To: <3E64A8A5.4EBB5FB3@mic.com.tw> References: <3E5CEF17.4C014A4C@mic.com.tw> <1046288652.9837.18.camel@irongate.swansea.linux.org.uk> <3E5EEDF9.5906D73E@mic.com.tw> <3E64A8A5.4EBB5FB3@mic.com.tw> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1046791639.10857.12.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.1 (1.2.1-4) Date: 04 Mar 2003 15:27:20 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2003-03-04 at 13:22, rain.wang wrote: > I had tested 'hdparm -w /dev/hda' under 2.4.25-pre5-ac1, system > crashed > with > kernel oops message: > kernel BUG at ide-iops:1046! > ... > > can this be resolved? Once I understand what the problems all are yes. The BUG() is good, it confirms that what we are both seeing is the same thing - the reset is managing to issue two commands to the controller at the same time.