Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756684AbXK0GPb (ORCPT ); Tue, 27 Nov 2007 01:15:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751300AbXK0GPU (ORCPT ); Tue, 27 Nov 2007 01:15:20 -0500 Received: from smtp2.linux-foundation.org ([207.189.120.14]:51686 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750899AbXK0GPS (ORCPT ); Tue, 27 Nov 2007 01:15:18 -0500 Date: Mon, 26 Nov 2007 22:15:09 -0800 From: Andrew Morton To: Gabriel C Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, Hannes Reinecke , James Bottomley Subject: Re: 2.6.24-rc3-mm1 Message-Id: <20071126221509.8f437b61.akpm@linux-foundation.org> In-Reply-To: <47466B5D.90607@googlemail.com> References: <20071120204525.ff27ac98.akpm@linux-foundation.org> <47462F3C.3040700@googlemail.com> <20071122201250.f957e280.akpm@linux-foundation.org> <47466B5D.90607@googlemail.com> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-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: 2430 Lines: 59 On Fri, 23 Nov 2007 06:55:41 +0100 Gabriel C wrote: > Andrew Morton wrote: > > On Fri, 23 Nov 2007 02:39:08 +0100 Gabriel C wrote: > > > >> I have some warnings on each SCSI disc: > >> > >> > >> ... > >> > >> [ 30.724410] scsi 0:0:0:0: Direct-Access SEAGATE ST318406LW 0109 PQ: 0 ANSI: 3 > >> [ 30.724419] scsi0:A:0:0: Tagged Queuing enabled. Depth 32 > >> [ 30.724435] target0:0:0: Beginning Domain Validation > >> [ 30.724446] target0:0:0: Domain Validation Initial Inquiry Failed <-- > >> [ 30.724572] target0:0:0: Ending Domain Validation > >> [ 30.729747] scsi 0:0:1:0: Direct-Access FUJITSU MAH3182MP 0114 PQ: 0 ANSI: 4 > >> [ 30.729754] scsi0:A:1:0: Tagged Queuing enabled. Depth 32 > >> [ 30.729771] target0:0:1: Beginning Domain Validation > >> [ 30.729780] target0:0:1: Domain Validation Initial Inquiry Failed <-- > >> [ 30.729908] target0:0:1: Ending Domain Validation > >> > > > > Don't know what would have caused that. But yes, something is wrong in > > scsi land. > > Actually I'm lucky the author didn't fix that FIXME in scsi_transport_spi.c and I still can boot ;) > > > > >> no idea whatever this is related but buffered disk reads are 2.XX MB/sec and the box is somewhat laggy. > >> > >> hdparm -t on sda and sdb reports : > >> > >> /dev/sda: > >> Timing buffered disk reads: 8 MB in 3.26 seconds = 2.46 MB/sec > >> > >> /dev/sdb: > >> Timing buffered disk reads: 8 MB in 3.56 seconds = 2.25 MB/sec > >> > >> My IDE discs are fine. > >> > >> Please let me know if you need my config or any other informations. > >> > > > > And you're the second to report very slow scsi throughput in 2.6.24-rc3-mm1. > > > > I found the commit which cause these problems , it is in git-scsi-misc patch and reverting it fixes both problems for me. > > http://git.kernel.org/?p=linux/kernel/git/jejb/scsi-misc-2.6.git;a=commitdiff_plain;h=8655a546c83fc43f0a73416bbd126d02de7ad6c0;hp=5bc717b6bdaaf52edf365eb7d9d8c89fec79df5d > OK, thanks. I'll assume that James and Hannes have this in hand (or will have, by mid-week) and I won't do anything here. - 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/