From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Kernel 2.6.23.9 / P35 Chipset + WD 750GB Drives (reset port) Date: Mon, 10 Dec 2007 17:23:39 +0900 Message-ID: <475CF78B.3040404@gmail.com> References: <20071201174733.646a5c35@absurd> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Justin Piszcz Cc: linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, linux-ide@vger.kernel.org, apiszcz@solarrain.com List-Id: linux-raid.ids Justin Piszcz wrote: > The badblocks did not do anything; however, when I built a software raid > 5 and the performed a dd: > > /usr/bin/time dd if=/dev/zero of=fill_disk bs=1M > > [42332.936615] ata5.00: exception Emask 0x2 SAct 0x7000 SErr 0x0 action > 0x2 frozen > [42332.936706] ata5.00: spurious completions during NCQ issue=0x0 > SAct=0x7000 FIS=004040a1:00000800 > > Next test, I will turn off NCQ and try to make the problem re-occur. > If anyone else has any thoughts here..? > I ran long smart tests on all 3 disks, they all ran successfully. > > Perhaps these drives need to be NCQ BLACKLISTED with the P35 chipset? That was me being stupid. Patches for both upstream and -stable branches are posted. These will go away. Thanks. -- tejun