From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759504AbYEWUjj (ORCPT ); Fri, 23 May 2008 16:39:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756587AbYEWUja (ORCPT ); Fri, 23 May 2008 16:39:30 -0400 Received: from mail01.fortunecookiestudios.com ([209.208.125.101]:42175 "EHLO mail01.fortunecookiestudios.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756715AbYEWUj3 (ORCPT ); Fri, 23 May 2008 16:39:29 -0400 From: Andras Mantia To: linux-kernel@vger.kernel.org Subject: Re: libata (pata_via) timeouts causing unusable device: the famous DRDY issue? Date: Fri, 23 May 2008 23:39:20 +0300 User-Agent: KMail/1.9.51 (Linux/2.6.25.4-2-default; KDE/4.0.80; x86_64; svn-810390; 2008-05-20) References: <200805232201.51701.amantia@kde.org> <48372989.3000700@garzik.org> In-Reply-To: <48372989.3000700@garzik.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200805232339.20752.amantia@kde.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 23 May 2008, Jeff Garzik wrote: > Andras Mantia wrote: > > Hi, > > > > since my upgrade to openSUSE 11.0, which comes with 2.6.25.4, soon > > after I start using my DVD player, I get the following in the log: > > > > May 23 21:34:04 stein klogd: ata1.00: exception Emask 0x0 SAct 0x0 > > SErr 0x0 action 0x2 frozen > > May 23 21:34:04 stein klogd: ata1.00: cmd > > a0/01:00:00:00:08/00:00:00:00:00/a0 tag 0 dma 2048 in > > May 23 21:34:04 stein klogd: cdb 28 00 00 00 01 b3 00 00 > > 01 00 00 00 00 00 00 00 > > May 23 21:34:04 stein klogd: res > > 40/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x4 (timeout) > > May 23 21:34:04 stein klogd: ata1.00: status: { DRDY } > > DRDY == device ready, and it occurs billions of times per day during > normal use. That wouldn't be a problem if it would not block the drive completely and cause my load to go up to extreme values like 50 or so. > There is no "famous DRDY issue", you are simply seeing timeouts. Well, I found that many have this "error" and have real problems. > Have you tried all of: pci=nomsi, acpi=off, or noapic? > Not yet, I will try them (but as I said it worked fine before, without any such kernel options). Andras -- Quanta Plus developer - http://quanta.kdewebdev.org K Desktop Environment - http://www.kde.org