Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262738AbTIFCS5 (ORCPT ); Fri, 5 Sep 2003 22:18:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263094AbTIFCS5 (ORCPT ); Fri, 5 Sep 2003 22:18:57 -0400 Received: from ns.aratech.co.kr ([61.34.11.200]:62619 "EHLO ns.aratech.co.kr") by vger.kernel.org with ESMTP id S262738AbTIFCS4 (ORCPT ); Fri, 5 Sep 2003 22:18:56 -0400 Date: Sat, 6 Sep 2003 11:18:49 +0900 From: Tejun Huh To: Bartlomiej Zolnierkiewicz Cc: Tejun Huh , linux-kernel@vger.kernel.org Subject: Re: [PATCH] ide task_map_rq() preempt count imbalance Message-ID: <20030906021849.GA2789@atj.dyndns.org> References: <20030903055257.GA31635@atj.dyndns.org> <200309031753.04535.bzolnier@elka.pw.edu.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200309031753.04535.bzolnier@elka.pw.edu.pl> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 908 Lines: 25 On Wed, Sep 03, 2003 at 05:53:04PM +0200, Bartlomiej Zolnierkiewicz wrote: > > As Jens pointed out its not a proper fix. Please try attached patch. > > You are using PIO mode with "IDE taskfile IO" option enabled. > Please also check if this preempt count bug happens with taskfile IO > disabled (from quick look at the code it shouldn't but...). > > Do you have any other IDE problems? > Do multi-sector PIO transfers with taskfile IO work for you (hdparm -m)? Hello Bartlomiej, Sorry for late response. Your patch works perfectly. Disabling taskfile doesn't hurt anything and multi-sector is turned on by default(16) and seems OK. Thanks. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/