Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753869AbXJWJ4T (ORCPT ); Tue, 23 Oct 2007 05:56:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751944AbXJWJ4G (ORCPT ); Tue, 23 Oct 2007 05:56:06 -0400 Received: from rv-out-0910.google.com ([209.85.198.191]:34941 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753501AbXJWJ4E (ORCPT ); Tue, 23 Oct 2007 05:56:04 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; b=izL/e69F5DIyTkzH8mIarsuiFJ9VDZ6qqHMQxU/CLVgWkfmlCBk0os3u6rgQz6Vj3xY2aiVz/b6ptN8OufkxTrL7EBRTzO0IT8icbAva4eryS2V6HDxp8rd8AwhJ+jMmvPknUUBlTeXlbLaAmv9mQt4VaH97ah/yMnintjwZMGo= Message-ID: <471DC52B.20802@gmail.com> Date: Tue, 23 Oct 2007 18:55:55 +0900 From: Tejun Heo User-Agent: Thunderbird 2.0.0.6 (X11/20070801) MIME-Version: 1.0 To: Steen Eugen Poulsen CC: Andrew Morton , lists@dusted.dk, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen References: <56020.194.255.108.253.1192004925.squirrel@root.dusted.dk> <20071012174153.69556b32.akpm@linux-foundation.org> <47105C53.7040603@lix-world.net> In-Reply-To: <47105C53.7040603@lix-world.net> X-Enigmail-Version: 0.95.3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2221 Lines: 55 Hello, Steen Eugen Poulsen wrote: > Sep 28 04:32:40 locker ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 > action 0x2 frozen > Sep 28 04:32:40 locker ata1.00: cmd b0/d2:f1:00:4f:c2/00:00:00:00:00/00 > tag 0 cdb 0x0 data 123392 in > Sep 28 04:32:40 locker res 50/00:f1:00:4f:c2/00:00:00:00:00/00 Emask > 0x202 (HSM violation) [--snip--] > Another machine: > > Sep 28 03:47:55 dragonslair ata1.00: exception Emask 0x0 SAct 0x0 SErr > 0x0 action 0x2 frozen > Sep 28 03:47:55 dragonslair ata1.00: cmd > b0/db:f8:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 126976 in > > Sep 28 03:47:55 dragonslair res 50/00:f8:00:4f:c2/00:00:00:00:00/00 > Emask 0x202 (HSM violation) [--snip--] > Sep 28 04:33:52 liferaft kernel: ata1.00: exception Emask 0x0 SAct 0x0 > SErr 0x0 action 0x2 frozen > Sep 28 04:33:55 liferaft kernel: ata1.00: cmd > b0/d2:f1:00:4f:c2/00:00:00:00:00/00 tag 0 cdb 0x0 data 123392 in > Sep 28 04:33:55 liferaft kernel: res > 50/00:f1:00:4f:c2/00:00:00:00:00/00 Emask 0x202 (HSM violation) > Sep 28 04:33:55 liferaft kernel: ata1: soft resetting port > Sep 28 04:33:55 liferaft kernel: ata1: SATA link up 3.0 Gbps (SStatus > 123 SControl 300) > Sep 28 04:33:55 liferaft kernel: ata1.00: configured for UDMA/133 > Sep 28 04:33:55 liferaft kernel: ata1: EH complete All these are caused by smartd. Updating should fix the problem. > Note 2: The hardware didn't freeze for me and I believe the freeze is do > to swap breaking due to the errors. Above HSM violations should be harmless other than those messages. libata resets the devices and should just go on. > Note 3: dragonslair's harddisk actually crashed, kernel didn't die, it > just remounted read only. Reboot and the disk was missing, more reboot > and the machine started with all disks running again, been stable since > the 28th Sep. (knock on wood) libata EH can't really recover from actual hardware failures but some drives come back on if you hot unplug and then replug it. -- tejun - 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/