help reading cd

[Basil Chupin]

On 24/05/12 07:52, Ric Moore wrote:
> On 05/23/2012 05:32 AM, Basil Chupin wrote:
>> On 23/05/12 13:50, Ric Moore wrote:
>>> On 05/22/2012 02:25 AM, Basil Chupin wrote:
>>>> On 22/05/12 05:28, Richard Fell wrote:
>>>>> With ubuntu 12.04, after placing a cd on which I have burned an iso
>>>>> image, I get a pop up windoww with the following message:"This link
>>>>> cannot be used, because its target "cdrom0" doesn't exist".
>>>>> Perhaps not since I get:
>>>>>
>>>>> rfell at rosewall:/dev$ ls -l | grep cdrom*
>>>>> lrwxrwxrwx 1 root root 3 2012-05-21 15:25 cdrom -> sr0
>>>>> crw-rw---- 1 root cdrom 21, 2 2012-05-20 14:25 sg2
>>>>> brw-rw----+ 1 root cdrom 11, 0 2012-05-21 15:25 sr0
>>>>>
>>>>>
>>>>> Should not this sort of thing be taken care of automatically so inept
>>>>> users such as I will be spared such penances as this?
>>>>>
>>>>> Many thanks,
>>>>> Dick Fell
>>>>
>>>> Interesting.... There is a person on the Kubuntu list who cannot get
>>>> k9copy to open a DVD even though he can actually open it using other
>>>> apps including playing the DVD using kaffeine. He is also now using
>>>> 12.04, BTW. Oh, he gets a different error message which just says,
>>>> "Cannot open /dev/sr0".
>>>
>>> When I just replaced the damned DVD player, that fixed it. I
>>> re-installed that player to another machine and the same problem crops
>>> up. Ergo, it is busted. Cheap enough to replace to test. :) Ric
>>
>> Well, not quite the solution because the person on the Kubuntu list can
>> access the discs on this device, for example play DVDs and any audio CDs
>> using kaffeine or other applications, but it is ONLY k9copy which cannot
>> open the DVD on this device.
>>
>> So, the device is OK but something is stopping k9copy from accessing the
>> device - similar to what the above person is experiencing where the app
>> is not recognising the device.
>
> Right, there was a solution posted some time ago, where you deleted 
> some access rule to the device and when you rebooted it was newly 
> created fresh. Instead of /dev/cdrom0 you got /dev/cdrom. Same with 
> /dev/dvd. But, it seems there are new things in 12.04 afoot, so I have 
> no clue if an old fix with still do the job. Again, when I did a FRESH 
> install, I had zip for problems.
>
> Is udev still in use?? Ric

Well I have it installed on my system but I have no idea what Canonical 
does.

BC

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