From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri, 5 Oct 2001 16:05:50 +0100
Subject: Re: [linux-lvm] consistent lvcreate core dump (rc4 - 2.4.10)
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In-Reply-To: <Pine.OSF.4.21.0110051348090.939-100000@europa.sanger.ac.uk>; from avc@sanger.ac.uk on Fri, Oct 05, 2001 at 01:58:15PM +0100
From: Joe Thornber <thornber@btconnect.com>
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To: linux-lvm@sistina.com

On Fri, Oct 05, 2001 at 01:58:15PM +0100, Tony Cox wrote:
> 
> 
> I'm new to LVM so apologies if this is a FAQ.
> 
> I just installed LVM-1.0.1-rc4 on a 486-based linux box running 2.4.10. It only
> has SCSI disks running via a 53c710 chip on the motherboard. It also has an
> adaptec 1540B scsi card installed but that only hosts a scsi CDROM.
> 
> The LVM kernel patch, module build and install went without a hitch. I have 5
> 2GB scsi disk each divided into 2 x 1GB partitions. I set the 8e partion flag
> and created the PVs without and problem. I then created a VG with 4 of the
> partitions (sda1/2 and sdb1/2). This went OK.
> 
> Finally when I came to create an LV I got a seg fault. Using the -v flag I found
> that it got up to the part where it was: "creating logical volume VGDA in
> kernel". Then it crashed.
> 
> The LV create command was:
> 
> lvcreate -V -L 1000M -n backup vg1
> 
> Could anybody tell me if I am doing something wrong? - or how to track down the
> problem? 
> 
> The pvscan and vgscan utilties reported no problems and I tried
> restarting LVM, inactivating, reactivating the GV and even deleting the whole
> thing including the PVs and repeating the process - so it is completely
> reproduceable in my situation.

My guess is you're using redhat 7.1 with the dodgy release of gcc.
Try either building the tools without optimisation or upgrading your
compiler.

- Joe