From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Wysochanski Subject: Re: [PATCH 3/7] scsi_dh: add hp sw device handler - testing and hit existing oops in radix_tree_gang_lookup (fix upstream) Date: Mon, 17 Mar 2008 16:34:15 -0400 Message-ID: <1205786055.4408.22.camel@localhost.localdomain> References: <20080311013328.23179.76692.sendpatchset@localhost.localdomain> <20080311013347.23179.15406.sendpatchset@localhost.localdomain> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20080311013347.23179.15406.sendpatchset@localhost.localdomain> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids On Mon, 2008-03-10 at 18:33 -0700, Chandra Seetharaman wrote: > Subject: scsi_dh: add hp sw device handler > > From: Mike Christie > > This patch adds a very basic scsi device handler for older hp boxes which > cannot be upgraded. > > Signed-off-by: Mike Christie > Signed-off-by: Chandra Seetharaman > --- > > FYI, I am testing the hp portion and hit and existing oops in radix_tree_gang_lookup (fixed by upstream block layer patch): http://www.gossamer-threads.com/lists/linux/kernel/880705?page=last I saw the problem when doing this sequence: 1) multipath -F 2) "rmmod qla2xxx" * This would trigger the oops I added the following upstream commit ffc4e7595734cf768fa60cea8a4d545dfef8231a on top of your patches and it seems to have fixed the problem: http://tinyurl.com/2bk392 My full patch series (started with 2.6.25-rc2): # quilt series patches/2.6.25-rc2-mm1.bz2 patches/scsi_dh-add-skeleton.patch patches/scsi_dh-add-lsi-rdac.patch patches/scsi_dh-add-hp-sw.patch patches/scsi_dh-add-emc.patch patches/scsi_dh-use-scsi-dh-in-dm-mpath.patch patches/scsi_dh-remove-hwh-from-dm.patch patches/scsi_dh-remove-hwh-infrastructure.patch patches/linux-2.6.git-ffc4e7595734cf768fa60cea8a4d545dfef8231a.patch #