From mboxrd@z Thu Jan 1 00:00:00 1970 From: Justin Madru Subject: Re: [2.6.28-rc] Sata soft reset filling log Date: Sun, 21 Dec 2008 22:59:30 -0800 Message-ID: <494F3AD2.3060201@gawab.com> References: <494318F5.4060007@gawab.com> <494EFD79.7020008@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from wf-out-1314.google.com ([209.85.200.168]:16057 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751897AbYLVG7g (ORCPT ); Mon, 22 Dec 2008 01:59:36 -0500 In-Reply-To: <494EFD79.7020008@kernel.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: lkml , Alan Cox , Andrew Morton , linux-ide@vger.kernel.org, "Rafael J. Wysocki" , Jeff Garzik Tejun Heo wrote: > 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. > > Well, it's good to hear that you don't think my drive is failing (sure hope it's not failing!) I posted the full dmesg in reply to Alan in http://lkml.org/lkml/2008/12/19/30. Also, more information about my computer can be found at: http://jdserver.homelinux.org/bugreports/ If you need me to run anything else not found in the above links then let me know. Justin Madru