From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Intermittent SATA failures ("link offline, clearing class 1 to NONE") Date: Tue, 01 Dec 2009 15:04:55 +0900 Message-ID: <4B14B207.9010208@kernel.org> References: <1258054583-sup-4108@utwig> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:39950 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751138AbZLAGGK (ORCPT ); Tue, 1 Dec 2009 01:06:10 -0500 In-Reply-To: <1258054583-sup-4108@utwig> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alex Vandiver Cc: linux-ide On 11/13/2009 04:43 AM, Alex Vandiver wrote: > Heya, > > I've been seeing intermittent failures of one of the SATA ports on a > new machine. I've tried swapping out hard drives and cables, and even > gotten a new motherboard from Dell, but it seems to persist. It > manifests as: > > [ 2.512022] ata2.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 2.512037] ata1.00: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > [ 2.512043] ata2.01: SATA link up (SStatus 300 SControl 123) > [ 2.512057] ata2.00: link offline, clearing class 1 to NONE > [ 2.512064] ata1.01: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > > ata2.00 is always the port which is reset. The only other person to > see that error seems to have been Tim Blechmann, in > <4AC9C373.80603@klingt.org>, which had similar symtoms. lspci -v for > this machine's IDE controllers is: Can you please attach full dmesg output after such event? -- tejun