I used hexedit to search for "48 2b 00 04" which is "H+" followed by
00 04 (version)

On Wed, Sep 23, 2009 at 9:37 PM, Lars Noodén <[email protected]> wrote:
> @Art: How does one check for a proper HFS+ signature?
>
> Use dd to skip the first 1023 bytes, then what?
>
> --
> Cannot mount hfsplus filesystem as loopback
> https://bugs.launchpad.net/bugs/279110
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in Ubuntu: Incomplete
>
> Bug description:
> Cannot mount a HFS+ disk image as loopback. Image:
>
>   http://www.bombich.com/software/download_ccc.php
>
> $ sudo mount -o loop -t hfsplus /home/lars/Desktop/ccc-3.1.1.dmg /mnt
> mount: wrong fs type, bad option, bad superblock on /dev/loop0,
>       missing codepage or helper program, or other error
>       In some cases useful info is found in syslog - try
>       dmesg | tail  or so
>
> $ sudo mount -o loop -t hfs /home/lars/Desktop/ccc-3.1.1.dmg /mnt
> mount: wrong fs type, bad option, bad superblock on /dev/loop0,
>       missing codepage or helper program, or other error
>       In some cases useful info is found in syslog - try
>       dmesg | tail  or so
>
> from dmesg:
>
> [ 3784.545777] hfs: unable to find HFS+ superblock
> [ 3788.557464] hfs: unable to find HFS+ superblock
> [ 3789.072794] hfs: can't find a HFS filesystem on dev loop0.
>
> $ lsb_release -rc
> Release:        8.04
> Codename:       hardy
>
> $ Linux macbook 2.6.24-19-generic #1 SMP Wed Aug 20 17:53:40 UTC 2008 x86_64 
> GNU/Linux
>

-- 
Cannot mount hfsplus filesystem as loopback
https://bugs.launchpad.net/bugs/279110
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