lucid: DVDs no longer accessible

William Hamra w.hamra1987 at
Wed Jul 21 19:26:19 BST 2010

On 07/20/2010 01:16 AM, D. R. Evans wrote:
> D. R. Evans said the following at 07/19/2010 04:11 PM :
>> This worked fine in jaunty (and earlier releases).
>> 1. When I put a DVD in my DVD reader, there is no longer any kind of popup
>> notification.
>> 2. If I try to mount /dev/sr0 (which for some reason is now the designation
>> of the first drive; it silently changed a couple of releases ago; I forget
>> what it used to be), I get:
>>   $ mount /dev/sr0
>>     mount: no medium found on /dev/sr0
>> 3. If I try to mount /dev/sr1 (my second DVD drive) I get:
>>   $ mount /dev/sr1
>>     mount: can't find /dev/sr1 in /etc/fstab or /etc/mtab
> $ ls -al /dev/sr*
>   brw-rw----+ 1 root cdrom 11, 0 2010-07-19 16:09 /dev/sr0
> I have no idea where there isn't a sr1 entry, nor exactly how to generate
> one with the correct properties.
> Also, there is no mention of any /dev/sr* device in /etc/fstab (not even
> /dev/sr0).
>   Doc

did you try a full command? udev is supposed to automagically mount it,
but it's not, and the policy now is not include removable devices in
fstab, since udev handles them... so a simple mount command will always
try :

sudo mount /dev/sr0 /cdrom

this works fine on my system.... if it's DVD as you mention, you *might*
need to add the -t option, it can be iso9660 or ufs, so the command becomes:

sudo mount -t iso9660 /dev/sr0 /cdrom
sudo mount -t ufs /dev/sr0 /cdrom

iso should be automatically detected... universal filesystem has given
me some trouble in the past, but manually specifying it, always works.

Willy K. Hamra
Manager of Hamra Information Systems
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