From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Frequent SATA errors / port timeouts in 2.6.18.3? Date: Tue, 19 Dec 2006 16:09:48 +0900 Message-ID: <4587903C.3050204@gmail.com> References: <4578F5D4.8080205@moniker.net> <4580907D.1020407@ucolick.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from nz-out-0506.google.com ([64.233.162.236]:25983 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754798AbWLSHJ4 (ORCPT ); Tue, 19 Dec 2006 02:09:56 -0500 Received: by nz-out-0506.google.com with SMTP id s1so686345nze for ; Mon, 18 Dec 2006 23:09:55 -0800 (PST) In-Reply-To: <4580907D.1020407@ucolick.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Patrik Jonsson Cc: linux-ide@vger.kernel.org Patrik Jonsson wrote: > First I thought it was a cabling or card issue, because the same drive > got kicked twice. That drive was connected to a 2-port SIG sata_sil24 > card. However, I just had another drive kicked that's connected to the > onboard sata_nv, which leads me to suspect that the upgraded kernel > might have something to do with it. A quick googling seems to indicate > that others are seeing this with 2.6.18, too, so I was wondering if > anyone knows more. I don't think there has been any change which can affect both sata_sil24 and sata_nv to cause timeouts. Please post the result of 'smartctl -d ata -a /dev/sdX' of failed devices. > The drives contain science data for analysis, so it > would be a pain (though not a disaster) to lose it. Would it be > advisable to revert to the previous 2.6.17 that I was running before or > is this a problem that's fixed in a later kernel than the one I'm > running now? > > I did at the same time also install an Areca ARC1260 controller and > connected a bunch of drives to it, so another idea I had was cable > interference or something (there are now 18 drives in the machine). > > Any ideas or thought would be appreciated, Power quality degradation can cause transmission failures which can result in timeouts. How are your power lines hooked? -- tejun