From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757147AbYDMC3a (ORCPT ); Sat, 12 Apr 2008 22:29:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753088AbYDMC3V (ORCPT ); Sat, 12 Apr 2008 22:29:21 -0400 Received: from wa-out-1112.google.com ([209.85.146.179]:46112 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752635AbYDMC3V (ORCPT ); Sat, 12 Apr 2008 22:29:21 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; b=tt1tYkFk+O410ehcsiDpsXgwZ7vtL0fZDq+lDLvJEQWiTSn15OqGlgLsGUMGfWPIPTWw9l+qQsc2o7h6fft2fG2bg1qrzzpbDLriRUIpxiSun9VtSGIVVsb7UFomImBu0swM9vKLEdtz9cgvrRB2bgm3A2Lxo1ke9/sXYyK8ls4= Message-ID: <48016FF8.2050908@gmail.com> Date: Sun, 13 Apr 2008 11:29:12 +0900 From: Tejun Heo User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Andrew Morton CC: Chaitanya Huilgol , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: ATA Bus Error with ICH7R and WDC WD7500AAKS-0 References: <47F38841.9080300@tidaldata.com> <20080402145628.c1eab7cb.akpm@linux-foundation.org> In-Reply-To: <20080402145628.c1eab7cb.akpm@linux-foundation.org> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > (cc linux-ide) > > On Wed, 02 Apr 2008 18:51:05 +0530 > Chaitanya Huilgol wrote: > >> Hi, >> >> I am getting frequent 'ATA bus error' with ICH7R & WD7500AAKS-0. >> I have tried the following combinations of NCQ and Write Cache disabled, >> Write I/O is done with dd: >> dd if=/dev/zero of=/dev/sdc bs=1048576 >> >> (1) With Write Cache is Disabled and NCQ is enabled then the >> errors are seen immediately on starting I/O >> (2) With Write Cache enabled and NCQ enabled the errors are less frequent >> (3) With NCQ disabled using "echo 1 >/sys/block/sdc/device/queue_depth" >> the errors are rare but do occur. >> >> I have tried with different SATA Cables & Sata port combinations to >> rule out cable/bad port issues. >> >> I am wondering if the WDC WD7500AAKS-0 is another candidate for NCQ blacklist? PHY RDY changed is likely to indicate hardware problems. Especially so on ICH ahci's which is one of the best supported and tested. Can you please re-seat cable and move the harddrive to different power connector? -- tejun