mount: could not find any free loop device

Bob Marcan bob.marcan at interstudio.homeunix.net
Wed Jun 27 08:37:31 UTC 2007


Tom Horsley wrote:
> On Wed, 27 Jun 2007 01:14:12 +0200
> "Andras Simon" <szajmi at gmail.com> 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 at localhost ~]# losetup -a
>> [root at localhost ~]# mount -o loop,offset=32256
>> /usr/local/kvm-images/WinXP.raw /mnt/
>> [root at localhost ~]# umount /mnt/
                        umount -d /mnt


>> [root at 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).
> 

man umount

-- 
  Bob Marcan, Consultant                mailto:bob.marcan at snt.si
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