From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758161AbZHQVbl (ORCPT ); Mon, 17 Aug 2009 17:31:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753787AbZHQVbk (ORCPT ); Mon, 17 Aug 2009 17:31:40 -0400 Received: from mx2.redhat.com ([66.187.237.31]:57690 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758094AbZHQVbk (ORCPT ); Mon, 17 Aug 2009 17:31:40 -0400 Date: Mon, 17 Aug 2009 17:31:37 -0400 From: Dave Jones To: Mike Snitzer Cc: Linux Kernel Subject: Re: md deadlock (2.6.31-rc5-git2) Message-ID: <20090817213137.GA32521@redhat.com> Mail-Followup-To: Dave Jones , Mike Snitzer , Linux Kernel References: <20090817201750.GA21562@redhat.com> <170fa0d20908171416o1e6da4d0xab02cd765a924306@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <170fa0d20908171416o1e6da4d0xab02cd765a924306@mail.gmail.com> User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 17, 2009 at 05:16:25PM -0400, Mike Snitzer wrote: > On Mon, Aug 17, 2009 at 4:17 PM, Dave Jones wrote: > > > > This kernel is a bit old (it's what we froze on for Fedora 12 alpha, > > and we haven't started building install images with anything newer yet), > > but I don't recall seeing anything similar posted recently.. > > > > While creating a series of md arrays, I got the mdadm process to just lock up. > > Looking in dmesg showed that it had warned about it too .. > ... > > 2 locks held by mdadm/2249: > >  #0:  (&new->reconfig_mutex#2){+.+.+.}, at: [] mddev_lock+0x2a/0x40 > >  #1:  (&bdev->bd_mutex){+.+.+.}, at: [] revalidate_disk+0x5e/0x9d > > This was fixed with commit: c8c00a6915a2e3d10416e8bdd3138429beb96210 excellent! I missed that. thanks. Dave