Quoting Frederick Bruckman (03-Jun-01 15:54:57):

> On 3 Jun 2001, Georges Heinesch wrote:

[...]

>> I got the answer now via e-mail (from Wolfgang Solfrank).
>>
>> An empty (newly created directory) in NetBSD has a linkcount of 2.
>> If it's filled, it's +2. The iso 9660 standard usually burns CD
>> with a linkcount of 1.
>>
>> find sees 2 (with my CD, creating the problem) and stops searching
>> since 2 means an empty directory. If !=2 is found, the recursive
>> routine inside find starts.
>>
>> Here what ls -ld /mnt/cd0 says with the CD in question inserted and
>> mounted!
>>
>> # cd /mnt/CD0
>> # ls -ld
>> # drwxrwxrwx  2 root  wheel  2048 Mar  1 14:23 .
>>
>> Here a properly mastered iso 9660 CD.
>>
>> # cd /mnt/CD0
>> # ls -ld
>> # dr-xr-xr-x  1 root  wheel  2048 Sep 15  2000 .
>>
>> That's te reason ...

> Thanks for the excellent followup!  I still have a couple of
> questions, if you don't mind...

> 1) On the bad CD, what does "ls <mountpoint>"

    # ls /mnt/cd0
    #

> and "cd <mountpoint>;
> ls; cd <somedir>; ls; find" give?

    # cd /mnt/cd0:
    # ls -l
    total 8
    drwxrwxrwx  2 root  wheel  2048 Feb 28 16:50 Art
    -rw-rw-rw-  1 root  wheel  2098 Jul 30  1998 Disk.info
    drwxrwxrwx  2 root  wheel  2048 Feb 28 17:01 Misc
    drwxrwxrwx  2 root  wheel  2048 Feb 28 09:49 NetBSD
    # cd NetBSD
    # ls -l
    total 18
    -rw-rw-rw-  1 root  wheel    611 Nov 28  2000 .message
    drwxrwxrwx  2 root  wheel   2048 Feb 28 09:49 NetBSD-1.4.3
    drwxrwxrwx  2 root  wheel   2048 Feb 28 09:47 NetBSD-1.5
    -rw-rw-rw-  1 root  wheel   1483 Nov 28  2000 README
    -rw-rw-rw-  1 root  wheel    266 Nov 28  2000 README.NetBSD-1.0-1.3.1
    -rw-rw-rw-  1 root  wheel    611 Nov 28  2000 README.export-control
    -rw-rw-rw-  1 root  wheel  12432 Nov 28  2000 README.sup
    # find . -name syssrc.tgz
    # find . -name README.sup
    ./README.sup

"syssrc.tgz" exists in a subdirectory.

> In other words, is the CD
> apparently empty by all accounts, or is it really only a problem
> with "find" on the mountpoint?

It's a problem with "find"

> 2) What _is_ the wrong way to burn a CD on NetBSD? The right way?

Wrong: linkcount of 2 when the directory is not empty.
Right: 2 possibilities:
         1. the correct linkcount, which is not supported AFAIK by
            ISO 9660.
         2. linkcount 1

Regards.

-- 
Cu  Georges Heinesch, Luxembourg
    geohei@geohei.lu
    http://www.geohei.lu
    PGP RSA & DH/DSS public key on request and on public servers

... never touch a running system ...