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Date:      Mon, 13 Feb 2017 22:38:51 -0800
From:      David Christensen <dpchrist@holgerdanske.com>
To:        FreeBSD Filesystems <freebsd-fs@FreeBSD.org>
Subject:   Re: FreeBSD 11 and 4+ GB files on optical disc
Message-ID:  <c0fc8112-04bb-fabe-131d-b4d3694506ab@holgerdanske.com>
In-Reply-To: <220907b1-f9ad-8711-3eb6-91fa75ea19f9@FreeBSD.org>
References:  <20170210031741.3d4348f6.freebsd@edvax.de> <4b4145c4-1381-0b95-0e06-46affbb6d851@holgerdanske.com> <20170210101633.4d5da7df@ernst.home> <7827d6b5-dc0f-21a9-873d-6356986485a5@holgerdanske.com> <CAOjFWZ7XjR9yq=qc0MFVWHjF0J=GzE2doJ48TZoziR-fcBgB0Q@mail.gmail.com> <f7d351de-3f69-78d1-f73c-f3f9187d13a8@holgerdanske.com> <220907b1-f9ad-8711-3eb6-91fa75ea19f9@FreeBSD.org>

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On 02/12/17 23:50, Andriy Gapon wrote:
> On 13/02/2017 07:40, David Christensen wrote:
>> On 02/10/17 10:46, Freddie Cash wrote:
>>> # kldload udf
>>> # mount -t udf /dev/cd0 /mnt
>>
>> toor@freebsd:/root # kldload udf
>> toor@freebsd:/root # mkdir /mnt/cd0-udf
>> toor@freebsd:/root # mount -t udf /dev/cd0 /mnt/cd0-udf
>> mount_udf: /dev/cd0: Invalid argument
>
> If your disk has iso9660 filesystem on it, then trying to mount it as a UDF
> filesystem won't work, obviously.
>
> P.S.  You don't have to thoughtlessly follow any advice you see on the internets :-)

I set up Cygwin on Vista today and did some testing:

2017-02-13 22:28:37 admin@vista ~
$ ls -l /cygdrive/d
total 4355764
-r--r--r-- 1 admin None 4460298272 Feb  9 08:52 201701_TAR.CPT
-r--r--r-- 1 admin None         81 Feb  9 09:00 201701_TAR_CPT.SHA256

2017-02-13 22:29:42 admin@vista ~
$ time sha256sum -b /cygdrive/d/201701_TAR.CPT
87b0ba7ed7e706f55f571ec73daad0a2ab9820de9db8e0c889ba8541b5b8f40e 
*/cygdrive/d/201701_TAR.CPT

real	4m51.455s
user	0m26.052s
sys	0m0.982s

2017-02-13 22:34:35 admin@vista ~
$ cat /cygdrive/d/201701_TAR_CPT.SHA256
87b0ba7ed7e706f55f571ec73daad0a2ab9820de9db8e0c889ba8541b5b8f40e 
*201701.tar.cpt


File size is correct, file mtime is correct, contents can be read 
correctly, but file names are mangled (I missed that before?).


So, do I file a bug report?  /usr/src/sys/fs/cd9660?


David




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