Loop device

VIGNESH vignesh1986 at gmail.com
Tue Jun 6 08:09:23 UTC 2006


I also tried this

root at ubuntu:~# losetup /dev/loop1
/dev/loop1: [0304]:196812 (ubuntu-live.iso)
root at ubuntu:~# losetup /dev/loop2
/dev/loop2: [0304]:196812 (ubuntu-live.iso)
root at ubuntu:~# losetup /dev/loop3
/dev/loop3: [0304]:196812 (ubuntu-live.iso)
root at ubuntu:~# losetup /dev/loop4
/dev/loop4: [0304]:196812 (ubuntu-live.iso)
root at ubuntu:~# losetup /dev/loop5
/dev/loop5: [0304]:196812 (ubuntu-live.iso)
root at ubuntu:~# losetup /dev/loop6
/dev/loop6: [0304]:196812 (ubuntu-live.iso)
root at ubuntu:~# losetup /dev/loop7
/dev/loop7: [0304]:196812 (ubuntu-live.iso)
root at ubuntu:~# losetup /dev/loop8
loop: can't open device /dev/loop8: No such file or directory


On 6/6/06, VIGNESH <vignesh1986 at gmail.com> wrote:
>
> ubuntu at ubuntu:~$ sudo losetup -d /dev/loop1
> ubuntu at ubuntu:~$ sudo mount ubuntu-live.iso mnt -o loop=/dev/loop1 -t
> iso9660mount: wrong fs type, bad option, bad superblock on /dev/loop1,
>        missing codepage or other error
>        In some cases useful info is found in syslog - try
>        dmesg | tail  or so
>
> ubuntu at ubuntu:~$ syslog
> bash: syslog: command not found
> ubuntu at ubuntu:~$ dmesg | tail
> VFS: Can't find ext3 filesystem on dev loop1.
> VFS: Can't find ext3 filesystem on dev loop2.
> VFS: Can't find ext3 filesystem on dev loop3.
> VFS: Can't find ext3 filesystem on dev loop4.
> VFS: Can't find ext3 filesystem on dev loop5.
> VFS: Can't find ext3 filesystem on dev loop6.
> VFS: Can't find ext3 filesystem on dev loop7.
> VFS: Can't find ext3 filesystem on dev loop1.
> Unable to identify CD-ROM format.
>
> This is what I get The losetup worked . I also added iso9660 to
> /proc/filesystems using modprobe iso9660
>
> Still no luck...
>
> Vignesh
>
>
>
> On 6/5/06, Thilo Six <T.Six at gmx.de> wrote:
> >
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: RIPEMD160
> >
> > email.listen at googlemail.com wrote the following on 05.06.2006 16:07:
> >
> > <snip>
> > > Arrgglll, pitfall, pitfall, ....
> > >
> > > Thilo, pardon me you just made two fundamental mistakes.
> > > But on the other hand this is a good example for pitfalls of different
> > Unix
> > > systems. :)
> > >
> > > first:
> > > Given that a documetation to a command you refer on other Unix'es may
> > be
> > > correct for GNU/Linux also. I would consider it as a mistake pointing
> > novice
> > > GNU/Linux users to such places. This because novice users tend to
> > browse the
> > > doc's aside those you refered but this doc's may be wrong for
> > GNU/Linux
> > > systems.
> >
> > VIGNESH did you read that? heh ;)
> >
> > > second and worst:
> > > Never refer to other than GNU/Linux documentations for Linux commands.
> > > Even if there is such a command for other Unix flavours. The
> > differences in
> > > behaviour may vary from none to dramatically.
> >
> > understand.
> >
> > <snip>
> >
> > >> Here is an example i found on the net:
> > >> http://cvs.pld.org.pl/setup/etc/filesystems?rev=1.2
> > > ---8<---
> > > ext2
> > > vfat
> > > minix
> > > nodev proc
> > > nodev devpts
> > > iso9660
> > > ---8<---
> > > - IMO 'nodev proc' is obsolete because it is initialised at boot
> > > - 'nodev devpts' devpts is obsolete on systems using udev, e.g. dapper
> > > - The asterisk (*) in the last line is missing. So only filesystems
> > listed
> > >   are used
> > >
> > > regards,
> > > thomas
> >
> > OK. Thanks again for explaining this.
> >
> > bye Thilo
> > - --
> > i am on Ubuntu 2.6 KDE
> > - - some friend of mine
> >
> > gpg key: Ox4A411E09
> >
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1.4.2.2 (GNU/Linux)
> > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
> >
> > iD8DBQFEhFKBgkdHiUpBHgkRAyUVAJ4/90SgTGav0q3/uxbwjDNf6B1uGACaAsjK
> > EE5xMiMBFCdY8iaMNUe4YrQ=
> > =0pbK
> > -----END PGP SIGNATURE-----
> >
> >
> > --
> > ubuntu-users mailing list
> > ubuntu-users at lists.ubuntu.com
> > https://lists.ubuntu.com/mailman/listinfo/ubuntu-users
> >
>
>
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