From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata_sil, writing bug with multiple cards? Date: Wed, 04 Jul 2007 18:14:42 +0900 Message-ID: <468B6502.6020904@gmail.com> References: <468A0E24.7020000@gmail.com> <20070704101835.064bae93@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from nz-out-0506.google.com ([64.233.162.235]:49713 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754980AbXGDJOs (ORCPT ); Wed, 4 Jul 2007 05:14:48 -0400 Received: by nz-out-0506.google.com with SMTP id s18so1507648nze for ; Wed, 04 Jul 2007 02:14:47 -0700 (PDT) In-Reply-To: <20070704101835.064bae93@the-village.bc.nu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Alan Cox Cc: 7091@blargh.com, linux-ide@vger.kernel.org, jgarzik@pobox.com, Andi Kleen Alan Cox wrote: >> # Make a RAID5 array of 3 out of the 4 drives I'll eventually be using >> mdadm --create /dev/md6 --chunk=64 --level=raid5 --raid-devices=4 /dev/sda1 >> /dev/sdb1 /dev/sdc1 missing >> # Make the FS >> mkfs.ext3 /dev/md6 >> # Test >> cp KNOPPIX_V5.1.0CD-2006-12-30-EN.iso kn1.iso >> cp kn1.iso kn2.iso >> cp kn2.iso kn3.iso >> cp kn3.iso kn4.iso >> # Check >> md5sum *.iso >> eea5ecb53f1c6a397bcfeedc2fd42c64 kn1.iso >> 0360941210aa2d7159999e37c636f8cb kn2.iso >> md5sum: kn3.iso: Input/output error >> 86b008915fe02569a513b6c5ec45a523 kn4.iso > > Not suprised to be honest. We have a large number of reports that are all > of the following form > > "Nvidia chipset, Silicon Image SATA, corruption" > > and several reports that BIOS updates fixed it. Unfortunately we don't > know what the BIOS updates do (or indeed if what they do is board > specific) or how to work around it otherwise. I thought good number of those were the IOMMU bug but I could be mistaken. Considering the large number of sata_sil's in the field, it's a bit surprising to see we still have this kind of problem. :-( -- tejun