Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932069AbWJEUad (ORCPT ); Thu, 5 Oct 2006 16:30:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932075AbWJEUad (ORCPT ); Thu, 5 Oct 2006 16:30:33 -0400 Received: from mcr-smtp-002.bulldogdsl.com ([212.158.248.8]:54538 "EHLO mcr-smtp-002.bulldogdsl.com") by vger.kernel.org with ESMTP id S932069AbWJEUab (ORCPT ); Thu, 5 Oct 2006 16:30:31 -0400 X-Spam-Abuse: Please report all spam/abuse matters to abuse@bulldogdsl.com From: Alistair John Strachan To: Stefan Richter Subject: Re: ohci1394 regression in 2.6.19-rc1 (was Re: Merge window closed: v2.6.19-rc1) Date: Thu, 5 Oct 2006 21:30:28 +0100 User-Agent: KMail/1.9.4 Cc: Linus Torvalds , Linux Kernel Mailing List , bcollins@debian.org, linux1394-devel@lists.sourceforge.net References: <200610051609.12466.s0348365@sms.ed.ac.uk> <45255574.5020203@s5r6.in-berlin.de> In-Reply-To: <45255574.5020203@s5r6.in-berlin.de> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200610052130.28610.s0348365@sms.ed.ac.uk> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2182 Lines: 50 On Thursday 05 October 2006 19:56, Stefan Richter wrote: > Alistair John Strachan wrote: > > Booted fine here, but I've got a few strange messages from the firewire > > subsystem that weren't present in 2.6.18. I think it marginally slows > > down boot up, but I could just be imagining it. > > > > [alistair] 16:04 [~] dmesg | grep 1394 > > ohci1394: fw-host0: OHCI-1394 1.1 (PCI): IRQ=[19] > > MMIO=[dffff000-dffff7ff] Max Packet=[2048] IR/IT contexts=[4/8] > > ohci1394: fw-host1: OHCI-1394 1.1 (PCI): IRQ=[17] > > MMIO=[dfffc000-dfffc7ff] Max Packet=[2048] IR/IT contexts=[4/8] > > ohci1394: fw-host0: Running dma failed because Node ID is not valid > > ohci1394: fw-host0: AT dma reset ctx=0, aborting transmission > > ieee1394: Current remote IRM is not 1394a-2000 compliant, resetting... > > ieee1394: Host added: ID:BUS[0-00:1023] GUID[00023c0091023fd7] > > ieee1394: Host added: ID:BUS[1-00:1023] GUID[000129200003d023] > > Thanks for the quick report. Could you please test the following, each > one separately? > > A. Configure PCI_MULTITHREAD_PROBE=n Not set. > B. Revert patch "Initialize ieee1394 early when built in" > http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=comm >itdiff_plain;h=8df4083c5291b3647e0381d3c69ab2196f5dd3b7 Firewire isn't built in. I assume therefore this would have no effect. > I don't see how any other ohci1394 patch after 2.6.18 could lead up to > that message. I also don't understand what causes this glitch. At least > it seems recoverable, according to the "Host added" lines. I haven't tried to use it, but I agree that the outcome is similar. I recompiled with excessive debug output on 2.6.19-rc1, and uploaded the configs for 2.6.19-rc1 and 2.6.18, and the corresponding dmesg outputs. As you can see, 2.6.18 does not exhibit any problems. -- Cheers, Alistair. Final year Computer Science undergraduate. 1F2 55 South Clerk Street, Edinburgh, UK. - 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/