On Wed, 27 Jun 2007 01:14:12 +0200 "Andras Simon" <szajmi@xxxxxxxxx> wrote: > The problem is that there shouldn't be any loop devices in use and > there's nothing to unmount. The following transcript demonstrates the > problem: > > [root@localhost ~]# losetup -a > [root@localhost ~]# mount -o loop,offset=32256 > /usr/local/kvm-images/WinXP.raw /mnt/ > [root@localhost ~]# umount /mnt/ > [root@localhost ~]# losetup -a > /dev/loop0: [080c]:14073859 (/usr/local/kvm-images/WinXP.raw), offset 32256 That looks like a pretty clear bug in umount to me. I'd suggest turning in a bugzilla on it. (I wonder if it only happens with the offset arg - you'd think people would have noticed a general leak of loop devices before now considering how few of them are available by default).
