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Date: Sat, 20 Dec 2008 16:22:32 +0100
From: Patrick =?ISO-8859-15?Q?Lamaizi=E8re?= <patfbsd@davenulle.org>
To: freebsd-questions@freebsd.org, "Max Russell" <thedossone@googlemail.com>
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Subject: Re: mount DVD - invalid argument
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Le Sat, 20 Dec 2008 11:45:49 +0000,
"Max Russell" <thedossone@googlemail.com> a écrit :

> I have two DVD drives on my machine.
> 
> max@~: grep acd /var/run/dmesg.boot
> acd0: DVDR <PIONEER DVD-RW DVR-111D/1.19> at ata1-master UDMA66
> acd1: DMA limited to UDMA33, device found non-ATA66 cable
> acd1: DVDROM <ASUS DVD-E616A2/1.03> at ata1-slave UDMA33
> 
> the optical section of my fstab is like this:
> 
> /dev/acd0 /cdrom cd9660 ro,noauto 0 0
> /dev/acd1 /cdrom cd9660 ro,noauto 0 0
> 
> however, when I try and mount a DVD, I get the following:
> 
> max@~: sudo mount_cd9660 -s 0 /dev/acd0 /cdrom
> mount_cd9660: /dev/acd0: Invalid argument
> 
> I have been able to mount CDs.
> 
> If I'm missing something really obvious, any help would be
> appreciated.

Some DVDs are in UDF format.
Use mount_udf(8).