Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932231AbWBKEh7 (ORCPT ); Fri, 10 Feb 2006 23:37:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932234AbWBKEh7 (ORCPT ); Fri, 10 Feb 2006 23:37:59 -0500 Received: from smtp.osdl.org ([65.172.181.4]:5801 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932231AbWBKEh6 (ORCPT ); Fri, 10 Feb 2006 23:37:58 -0500 Date: Fri, 10 Feb 2006 20:37:15 -0800 From: Andrew Morton To: Lee Revell Cc: miles.lane@gmail.com, linux-kernel@vger.kernel.org, linux1394-devel@lists.sourceforge.net Subject: Re: 2.6.16-rc2-mm1 -- BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg() Message-Id: <20060210203715.57b39b0d.akpm@osdl.org> In-Reply-To: <1139624931.19342.46.camel@mindpipe> References: <20060210122131.4b98cfb4.akpm@osdl.org> <1139624931.19342.46.camel@mindpipe> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 960 Lines: 22 Lee Revell wrote: > > On Fri, 2006-02-10 at 12:21 -0800, Andrew Morton wrote: > > Miles Lane wrote: > > > > > > BUG: warning at drivers/ieee1394/ohci1394.c:235/get_phy_reg() > > > > That's a -mm-only warning telling you that get_phy_reg() is doing a > > one-millisecond-or-more busywait while local interrupts are disabled. > > > > That's the sort of thing which makes audio developers pursue 1394 developers > > with sharp sticks. > > Hmm, interesting, did -mm get a "lite" version of Ingo's latency tracer? > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc2/2.6.16-rc2-mm1/broken-out/debug-warn-if-we-sleep-in-an-irq-for-a-long-time.patch - 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/