From mboxrd@z Thu Jan 1 00:00:00 1970 From: Albert Lee Subject: Re: + via-pata-controller-xfer-fixes.patch added to -mm tree Date: Sun, 02 Jul 2006 22:17:21 +0800 Message-ID: <44A7D571.8030504@tw.ibm.com> References: <200606242214.k5OMEHCU005963@shell0.pdx.osdl.net> <449DBE88.5020809@garzik.org> <449DBFFD.2010700@garzik.org> <449E5445.60008@free.fr> <44A4CE21.30009@tw.ibm.com> <1151654134.44a4d8f6dc320@imp5-g19.free.fr> <44A4E01D.8020604@tw.ibm.com> <44A78599.9060405@free.fr> <44A7A0C8.80108@free.fr> <44A7C00A.7040001@tw.ibm.com> <44A7C4E5.6020202@free.fr> Reply-To: albertl@mail.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from e36.co.us.ibm.com ([32.97.110.154]:7909 "EHLO e36.co.us.ibm.com") by vger.kernel.org with ESMTP id S1751085AbWGBOR1 (ORCPT ); Sun, 2 Jul 2006 10:17:27 -0400 In-Reply-To: <44A7C4E5.6020202@free.fr> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: matthieu castet Cc: albertl@mail.com, Jeff Garzik , akpm@osdl.org, alan@lxorguk.ukuu.org.uk, "linux-ide@vger.kernel.org" , B.Zolnierkiewicz@elka.pw.edu.pl, htejun@gmail.com, Linux Kernel , Unicorn Chang , Doug Maxey matthieu castet wrote: > Hi, > > Albert Lee wrote: > >> Hi Matthieu, >> >> Thanks for the log. But could you please keep the VPRINTK() in the >> entrance of ata_host_intr() > > If I do that, everything works correctly : the printk should take more > than 3 us, and the altsatus is not busy when we read it. > Here is the log without moving the printk : > http://castet.matthieu.free.fr/tmp/ata_log.orig Hmm, the Uncertainty principle also applies to kernel debugging. :) > > The only thing I could do is to move the printk between altstatus and > status check and add one in idle_irq. > > Will it be usefull for you ? > > > Matthieu. > > >>From your previous log, the timeout transacation is clearly logged and it does look like early irq. Can compare/see both timeout and normal behaviors of libata from both logs. So, the logs are good enough. Thanks and appreciates for the logs, :) Albert