Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757991AbXI3OqY (ORCPT ); Sun, 30 Sep 2007 10:46:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755493AbXI3OqR (ORCPT ); Sun, 30 Sep 2007 10:46:17 -0400 Received: from aa012msr.fastwebnet.it ([85.18.95.72]:39993 "EHLO aa012msr.fastwebnet.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755476AbXI3OqQ (ORCPT ); Sun, 30 Sep 2007 10:46:16 -0400 Date: Sun, 30 Sep 2007 16:46:10 +0200 From: Paolo Ornati To: Alan Cox Cc: Tejun Heo , Linux Kernel Mailing List , linux-ide@vger.kernel.org Subject: Re: [PATCH] blacklist NCQ on Seagate Barracuda ST380817AS Message-ID: <20070930164610.20818867@localhost> In-Reply-To: <20070930152908.1f58d39d@the-village.bc.nu> References: <20070930160548.235be972@localhost> <20070930152908.1f58d39d@the-village.bc.nu> X-Mailer: Claws Mail 3.0.0 (GTK+ 2.10.14; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 952 Lines: 26 On Sun, 30 Sep 2007 15:29:08 +0100 Alan Cox wrote: > > Seagate Barracuda ST380817AS has troubles with NCQ. For example, > > unpacking a tarball on an XFS filesystem gives this: > > > > ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x2 frozen > > ata1.00: cmd 61/40:00:29:a3:98/00:00:00:00:00/40 tag 0 cdb 0x0 data 32768 out > > res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) > > What makes you sure that is an NCQ problem ? It goes away with: echo 1 > /sys/block/sda/device/queue_depth I have this problem only with XFS, and even with XFS it goes away mounting with "nobarrier"... -- Paolo Ornati Linux 2.6.23-rc8-ga64314e6-dirty on x86_64 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/