From mboxrd@z Thu Jan 1 00:00:00 1970 From: FUJITA Tomonori Subject: Re: 2.6.23-rc4-mm1 Date: Tue, 11 Sep 2007 04:42:53 +0900 Message-ID: <20070910045503O.tomof@acm.org> References: <20070910111926.9c942358.akpm@linux-foundation.org> <64bb37e0709101159v47f586aby7f078ef1db5cbc39@mail.gmail.com> <20070910122038.1f1bb006.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20070910122038.1f1bb006.akpm@linux-foundation.org> Sender: linux-kernel-owner@vger.kernel.org To: akpm@linux-foundation.org Cc: just.for.lkml@googlemail.com, apw@shadowen.org, linux-kernel@vger.kernel.org, mel@csn.ul.ie, jens.axboe@oracle.com, linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, fujita.tomonori@lab.ntt.co.jp List-Id: linux-ide@vger.kernel.org On Mon, 10 Sep 2007 12:20:38 -0700 Andrew Morton wrote: > On Mon, 10 Sep 2007 20:59:49 +0200 "Torsten Kaiser" wrote: > > > On 9/10/07, Andrew Morton wrote: > > > On Mon, 10 Sep 2007 18:49:26 +0100 Andy Whitcroft wrote: > > > > > > > I have a couple of old NUMA-Q systems which are unable to read their > > > > boot disks with 2.6.23-rc4-mm1. The disks appear to be recognised and > > > > even the partition tables read correctly, and then they go pop: > > > > I reported a similar problem on Sep 1, but until now got no response. > > You still haven't had a response ;) Let's add a cc. > > Oh, you reported it against 2.6.23-rc4-mm1 > (http://lkml.org/lkml/2007/9/1/92) and I did cc linux-ide in my response. > > I'll continue to point out where this sort of thing occurs because last > week I was told that a reson why so many bug reports are ignored is because > "linux-kernel has too much traffic". many SCSI people don't subscribe to linux-kernel, I think. > > The system boots, reads the partition tables, starts the RAID and then > > kicks one drive out because of errors. > > Andy is using qla1280. You're using sata. So it's probably a different > bug, with the same symptoms. This might be a sg chaining bug too (probabaly sg chaining libata patch). Can you try the following patch that I've just sent: http://lkml.org/lkml/2007/9/10/251 The patch also disables chaining sg list for libata.