From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata NCQ blacklist entry Date: Fri, 30 Nov 2007 07:57:04 +0900 Message-ID: <474F43C0.6080008@gmail.com> References: <20071107111813.GA9064@dudweiler.stuttgart.redhat.com> <4731B5DD.1060203@gmail.com> <5501535d0711290917r16a16b0dx36669de89f829231@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.190]:27036 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933703AbXK2W5M (ORCPT ); Thu, 29 Nov 2007 17:57:12 -0500 Received: by rv-out-0910.google.com with SMTP id k20so1723812rvb for ; Thu, 29 Nov 2007 14:57:11 -0800 (PST) In-Reply-To: <5501535d0711290917r16a16b0dx36669de89f829231@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Bjoern Olausson Cc: jeff@garzik.org, linux-kernel@vger.kernel.org, IDE/ATA development list Bjoern Olausson wrote: > On 11/7/07, Tejun Heo wrote: >> Thanks. We're currently trying to find out what's actually going on >> with all these drives. At first, drives which got blacklisted aren't >> many and made sense (had other problems with NCQ, etc..) but with new >> generation drives from many vendors showing the same symptom, we aren't >> too sure now. >> >> I'll keep your email in my todo list and add the drive to the blacklist >> once the problem is verified. >> >> Thanks. > > Something new on the NCQ front? > Just asking if you need someone to test some of your ideas? > > I got the "WDC WD740ADFD-00NLR1" I now have affected drives on my desk and am gonna try reproduce it. My gut feeling says it's timing related problem on controller / driver side. Please wait a bit. > by the way, and OT, did the Plextor DVD-RW drive reach you, Tejun? No, not yet. Do you have a tracking number or something? Thanks. -- tejun