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, 18 Sep 2001 13:49:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 18 Sep 2001 13:49:02 -0400 Received: from vasquez.zip.com.au ([203.12.97.41]:6150 "EHLO vasquez.zip.com.au") by vger.kernel.org with ESMTP id ; Tue, 18 Sep 2001 13:48:46 -0400 Message-ID: <3BA78916.2984B011@zip.com.au> Date: Tue, 18 Sep 2001 10:49:10 -0700 From: Andrew Morton X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.4.10-pre11 i686) X-Accept-Language: en MIME-Version: 1.0 To: Jakob =?iso-8859-1?Q?=D8stergaard?= CC: linux-kernel@vger.kernel.org Subject: Re: bdflush and postgres stuck in D state In-Reply-To: <20010918125605.F29908@unthought.net>, <20010918125605.F29908@unthought.net>; from jakob@unthought.net on Tue, Sep 18, 2001 at 12:56:05PM +0200 <20010918193023.P29908@unthought.net> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jakob Østergaard wrote: > > Sorry for following up on my own post, I have a little extra > information. > > I started a g++ job to try to force the machine to write out some dirty > buffers before I reboot. g++ now hangs along with two sync's, bdflush > and the postgres process. > Since 2.4.7 several bugs have been fixed in RAID1 which would cause this, including a missing blockdevice unplug and failure to hang onto the supposedly-reserved RAID1 buffer-heads. -