From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753457AbYLVCiA (ORCPT ); Sun, 21 Dec 2008 21:38:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752028AbYLVChv (ORCPT ); Sun, 21 Dec 2008 21:37:51 -0500 Received: from hera.kernel.org ([140.211.167.34]:34128 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751995AbYLVChv (ORCPT ); Sun, 21 Dec 2008 21:37:51 -0500 Message-ID: <494EFD79.7020008@kernel.org> Date: Mon, 22 Dec 2008 11:37:45 +0900 From: Tejun Heo User-Agent: Thunderbird 2.0.0.18 (X11/20081112) MIME-Version: 1.0 To: Justin Madru CC: lkml Subject: Re: [2.6.28-rc] Sata soft reset filling log References: <494318F5.4060007@gawab.com> In-Reply-To: <494318F5.4060007@gawab.com> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.0 (hera.kernel.org [127.0.0.1]); Mon, 22 Dec 2008 02:37:50 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Justin Madru wrote: > I've been testing .28 (currently -rc8) and I've noticed in the logs a > massive amount of the following. > I can confirm that the messages doesn't appear when booting into a .27 > kernel. > > ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen > ata2.00: ST_FIRST: !(DRQ|ERR|DF) > ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0 > cdb 1e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > res 50/00:01:00:00:00/00:00:00:00:00/a0 Emask 0x2 (HSM violation) > ata2.00: status: { DRDY } > ata2: soft resetting link > ata2.00: configured for UDMA/33 > ata2: EH complete That's HSM violation on ALLOW_MEDIUM_REMOVAL on the second ATA port. > I get this block of messages about every 20 seconds for as long as I'm > booted into a .28 kernel. > It seems that the sata link is being soft reseted about every _20_ secs. > My drive is a sata drive that should be using UDMA/133 (right?), > but the "error" message says configuring for UDMA/33. > Does this mean that my drive is running at a slower speed? > Should I be worried about the .28 kernel corrupting my hardware? Is this > a known issue? > How can I stop it from filling my logs! > > Some information about my computer: > > 00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA > IDE Controller (rev 01) > > $ hdparm -I /dev/sda > /dev/sda: > ATA device, with non-removable media > Model Number: ST980811AS and I strongly doubt it's the hard drive. Can you please post full kernel log including the boot messages? Thanks. -- tejun