Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161363AbWJ3SzQ (ORCPT ); Mon, 30 Oct 2006 13:55:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161362AbWJ3SzP (ORCPT ); Mon, 30 Oct 2006 13:55:15 -0500 Received: from brick.kernel.dk ([62.242.22.158]:21534 "EHLO kernel.dk") by vger.kernel.org with ESMTP id S1161367AbWJ3SzL (ORCPT ); Mon, 30 Oct 2006 13:55:11 -0500 Date: Mon, 30 Oct 2006 19:56:51 +0100 From: Jens Axboe To: Arjan van de Ven Cc: Mark Lord , IDE/ATA development list , Linux Kernel , mingo@elte.hu Subject: Re: 2.6.19-rc3-git7: scsi_device_unbusy: inconsistent lock state Message-ID: <20061030185651.GK14055@kernel.dk> References: <20061030154444.GH4563@kernel.dk> <1162225002.2948.45.camel@laptopd505.fenrus.org> <20061030162621.GK4563@kernel.dk> <1162225915.2948.49.camel@laptopd505.fenrus.org> <20061030175224.GB14055@kernel.dk> <45463C5B.7070900@rtr.ca> <45464064.2090108@rtr.ca> <20061030181645.GF14055@kernel.dk> <454644C1.4080702@rtr.ca> <1162233918.2948.65.camel@laptopd505.fenrus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1162233918.2948.65.camel@laptopd505.fenrus.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 719 Lines: 23 On Mon, Oct 30 2006, Arjan van de Ven wrote: > > > (gdb) l *cfq_set_request+0x33e > > 0xc021780e is in cfq_set_request (block/cfq-iosched.c:1224). > > 1219 if (unlikely(!cfqd)) > > 1220 return; > > 1221 > > 1222 spin_lock(cfqd->queue->queue_lock); > > this looks interesting... and buggy ;) > (this is changed_ioprio() ) Yeah it is, changed_ioprio() used to be called under local_irq_save(), but it's not anymore. -- Jens Axboe - 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/