From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jens Axboe Subject: Re: Re: 2.6.27-rc5-mmotm0829 - lvm issues at boot, possible disk_devt() related? Date: Mon, 1 Sep 2008 12:15:43 +0200 Message-ID: <20080901101543.GL20055@kernel.dk> References: <4963.1220240176@turing-police.cc.vt.edu> <48BBA0B0.5070309@kernel.org> <7045.1220260558@turing-police.cc.vt.edu> <20080901095651.GI15123@agk.fab.redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20080901095651.GI15123@agk.fab.redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Alasdair G Kergon Cc: Bartlomiej Zolnierkiewicz , linux-kernel@vger.kernel.org, lvm-devel@redhat.com, device-mapper development , Tejun Heo , Andrew Morton List-Id: dm-devel.ids On Mon, Sep 01 2008, Alasdair G Kergon wrote: > On Mon, Sep 01, 2008 at 05:15:58AM -0400, Valdis.Kletnieks@vt.edu wrote: > > On Mon, 01 Sep 2008 09:58:40 +0200, Tejun Heo said: > > > Yeah, I made a mistake converting two of them and devt lookup fails when > > > the disk is zero sized. Bartlomiej debugged the problem and posted a > > > patch and I followed up with an updated patch. It should be fine in the > > > next round. > > > http://article.gmane.org/gmane.linux.kernel.next/2663 > > > http://article.gmane.org/gmane.linux.kernel.next/2676 > > > If you're seeing other problems, please let me know. > > Confirming - 2.6.27-rc5-mmotm0829 plus the merge of the 2 above patches > > does find the LVM volumes and come up. Thanks for the clue.. :) > > I expect we'll need some patches to userspace lvm2 to support these extended > device numbers properly too... > > Alasdair (back from holiday) They'll be defaulting to off from now on, so it should not be a big worry. But Alan Brunelle did find that the "10-character limit in dm/lib/libdm-deptree is too small". -- Jens Axboe