From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from o.ww.redhat.com (vpn50-1.rdu.redhat.com [172.16.50.1]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id i1G9Tui13729 for ; Mon, 16 Feb 2004 04:29:56 -0500 From: Heinz Mauelshagen Subject: Re: [linux-lvm] LVM 1: Snapshot causes seg fault of lvdisplay and crashes system Message-ID: <20040216092955.GC13581@redhat.com> References: <200402140615.i1E6Fbr03401@ecstasy.winternet.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <200402140615.i1E6Fbr03401@ecstasy.winternet.com> Sender: linux-lvm-admin@redhat.com Errors-To: linux-lvm-admin@redhat.com Reply-To: linux-lvm@redhat.com List-Help: List-Post: List-Subscribe: , List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: Date: Mon Feb 16 04:29:01 2004 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@redhat.com On Sat, Feb 14, 2004 at 12:15:37AM -0600, Ken Fuchs wrote: > I did the following to create a snapshot of an active filesystem to try > to make a consistent copy of it: > > # lvcreate --extents 30 --snapshot --name home2snap /dev/sys/home2gb > ... > lvcreate -- INFO: using default snapshot chunk size of 64 KB for "/dev/sys/home\ > 2snap" > lvcreate -- doing automatic backup of "sys" > lvcreate -- logical volume "/dev/sys/home2snap" successfully created > > # lvdisplay /dev/sys/home2gb > --- Logical volume --- > LV Name /dev/sys/home2gb > VG Name sys > LV Write Access read/write > LV snapshot status source of > /dev/sys/home2snap [active] > Segmentation fault > # lvdisplay /dev/sys/home2gb > --- Logical volume --- > LV Name /dev/sys/home2gb > VG Name sys > LV Write Access read/write > LV snapshot status source of > /dev/sys/home2snap [active] > Segmentation fault > ecstasy:/# > > crashed; it probably didn't reboot, since subsequent attempts to > reconnect via ssh failed and ping failed as well.> > > The kernel is probably 1.0.3 (Debian SPARC sun4u 2.4.21 up) and the lvm > tools are 1.0.8. > > Any suggestions for avoiding these seg faults and the system crash? Upgrade to an actual driver LVM version. You hit a list bug IRT snapshots. > > Sincerely, > > Ken Fuchs > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ -- Regards, Heinz -- The LVM Guy -- *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Red Hat, Inc. Consulting Development Engineer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@RedHat.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-