swapon: /dev/dm-1 error early in boot process

[Jay Cliburn]

On Sat, 2006-07-15 at 22:10 -0400, Chuck Anderson wrote:
> On Sat, Jul 15, 2006 at 08:51:14PM -0500, Jay Cliburn wrote:
> > The referenced bz and its new parent (#196179) address the swapon
> > collision arising from /etc/rc.d/rc.sysinit.  Does it also address the
> > invalid partition message reported for dm-x in fdisk -l output?
> 
> That isn't a bug.  device-mapper devices for LVM do not have partition 
> tables.

Ah, okay.  I don't know anything about device-mapper.  I guess I'll have
to learn.

Seems counterintuitive that two looks at the same device would produce
different results.

Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14       19457   156183930   8e  Linux LVM

Disk /dev/dm-0: 157.8 GB, 157806493696 bytes
255 heads, 63 sectors/track, 19185 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Disk /dev/dm-0 doesn't contain a valid partition table