From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261688AbTEUJbJ (ORCPT ); Wed, 21 May 2003 05:31:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261844AbTEUJbI (ORCPT ); Wed, 21 May 2003 05:31:08 -0400 Received: from caramon.arm.linux.org.uk ([212.18.232.186]:34574 "EHLO caramon.arm.linux.org.uk") by vger.kernel.org with ESMTP id S261688AbTEUJbB (ORCPT ); Wed, 21 May 2003 05:31:01 -0400 Date: Wed, 21 May 2003 10:43:55 +0100 From: Russell King To: Vladimir Serov , trond.myklebust@fys.uio.no, linux-kernel Cc: Marcelo Tosatti , nico@cam.org Subject: Re: [BUG] nfs client stuck in D state in linux 2.4.17 - 2.4.21-pre5 Message-ID: <20030521104355.C17709@flint.arm.linux.org.uk> Mail-Followup-To: Vladimir Serov , trond.myklebust@fys.uio.no, linux-kernel , Marcelo Tosatti , nico@cam.org References: <3E7ADBFD.4060202@infratel.com> <3E7B0051.8060603@infratel.com> <15995.578.341176.325238@charged.uio.no> <3E7B10DF.5070005@infratel.com> <15995.5996.446164.746224@charged.uio.no> <3E7B1DF9.2090401@infratel.com> <15995.10797.983569.410234@charged.uio.no> <3EC8DA1B.50304@infratel.com> <20030521102923.B17709@flint.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20030521102923.B17709@flint.arm.linux.org.uk>; from rmk@arm.linux.org.uk on Wed, May 21, 2003 at 10:29:23AM +0100 X-Message-Flag: Your copy of Microsoft Outlook is vulnerable to viruses. See www.mutt.org for more details. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 21, 2003 at 10:29:23AM +0100, Russell King wrote: > On Mon, May 19, 2003 at 05:20:27PM +0400, Vladimir Serov wrote: > > My current kernel is 2.4.21-pre6 based with patches from 2.4.19-rmk7 > > applied (well partially, except ide and pci cause i don't have them, > > board is mostly brutus). I'm using HARD mounted nfs > > volume now !!! The tail of dmesg is following. > > Looking back on stuff which happened a long time ago, there's a > possibility that there's an ordering issue with set_current_state. > > Please note that this is affects _all_ 2.4 architectures. > > I think this was discussed about 6 months ago, so I'm surprised this > hasn't made it into the 2.4.2x kernel (or no one else has seen the > problem.) Yes, it was first discovered 7 months ago, but it seems Marcelo didn't merge the fix: > Date: Fri, 18 Oct 2002 23:00:58 -0400 (EDT) > From: Nicolas Pitre > To: Marcelo Tosatti > Subject: [PATCH] set_task_state() UP memory barriers Nicolas included a more complete fix which updates all 2.4 architectures. Nico - could you re-send your fix please? -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html