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From: Javier Barroso on 16 May 2010 18:00
On Sun, May 16, 2010 at 10:49 PM, James Stuckey <jhstuckey(a)gmail.com> wrote:

>
>
> On Sun, May 16, 2010 at 9:17 PM, Andrei Popescu <andreimpopescu(a)gmail.com>wrote:
>
>> On Sun,16.May.10, 15:13:28, James Stuckey wrote:
>> >
>> > *What I'm doing to mount the media: *
>> > root(a)debian:/home/stuckey# mount /dev/sr0
>> > mount: block device /dev/sr0 is write-protected, mounting read-only
>> > mount: wrong fs type, bad option, bad superblock on /dev/sr0,
>> > missing codepage or helper program, or other error
>> > (could this be the IDE device where you in fact use
>> > ide-scsi so that sr0 or sda or so is needed?)
>> > In some cases useful info is found in syslog - try
>> > dmesg | tail or so
>>
>> Is this a data or audio CD (audio CDs can't be mounted, only played)? Is
>> it possible to test with another OS on the same hardware?
>>
>> Regards,
>> Andrei
>>
>>
> Hello,
>
> As I've already said, it works in windows and mac. I'll try changing the
> cable, but since it works in windows and mac I doubt the cable is at fault.
> I've tried audio and data cds and DVDs.
>

Two weeks ago, I reported a similar issue (in this case dmesg didn't give
any output) [1]. My cdrom went to dead [2], but after resurrected.

We have at least 3 lg cdrom writters which have problems reading cds inside
debian, but our machines boot fine from these cds.

Regards,

[1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=580028
[2] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=577534#47
From: Zoran Kolic on 17 May 2010 01:20
> > *What I'm doing to mount the media: *
> > root(a)debian:/home/stuckey# mount /dev/sr0
> > mount: block device /dev/sr0 is write-protected, mounting read-only
> > mount: wrong fs type, bad option, bad superblock on /dev/sr0,
> > missing codepage or helper program, or other error
> > (could this be the IDE device where you in fact use
> > ide-scsi so that sr0 or sda or so is needed?)
> > In some cases useful info is found in syslog - try
> > dmesg | tail or so
> Is this a data or audio CD (audio CDs can't be mounted, only played)? Is
> it possible to test with another OS on the same hardware?

As another poster pointed, the device could be wrongly picked up.
Also, I'm not sure for udf, made on win. Best bet would be to
mount it by the hand, trying all devices out. Further, helps to use
dvd/cd that worked as a charm previously.
Do you noticed any change in /dev directory after inserting op-
tical media in the device?
Best regards

Zoran


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From: Andrei Popescu on 17 May 2010 04:40
On Sun,16.May.10, 22:49:56, James Stuckey wrote:
>
> As I've already said, it works in windows and mac. I'll try changing the
> cable, but since it works in windows and mac I doubt the cable is at fault.
> I've tried audio and data cds and DVDs.

Do you have Debian, Mac OS X and Windows installed on this machine?
This is only a test to exclude a problem specific to this machine, even
if the DVD drive works in another machine.

Regards,
Andrei
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From: James Stuckey on 17 May 2010 04:40
On Mon, May 17, 2010 at 7:01 AM, Zoran Kolic <zkolic(a)sbb.rs> wrote:

> > > *What I'm doing to mount the media: *
> > > root(a)debian:/home/stuckey# mount /dev/sr0
> > > mount: block device /dev/sr0 is write-protected, mounting read-only
> > > mount: wrong fs type, bad option, bad superblock on /dev/sr0,
> > > missing codepage or helper program, or other error
> > > (could this be the IDE device where you in fact use
> > > ide-scsi so that sr0 or sda or so is needed?)
> > > In some cases useful info is found in syslog - try
> > > dmesg | tail or so
> > Is this a data or audio CD (audio CDs can't be mounted, only played)? Is
> > it possible to test with another OS on the same hardware?
>
> As another poster pointed, the device could be wrongly picked up.
> Also, I'm not sure for udf, made on win. Best bet would be to
> mount it by the hand, trying all devices out. Further, helps to use
> dvd/cd that worked as a charm previously.
> Do you noticed any change in /dev directory after inserting op-
> tical media in the device?
> Best regards
>
> Zoran
>
>
Sometimes I'll get "mount: no medium found on /dev/sr0" or it will mount, or
it will give me the other error message I posted.

I just put a disc in, tried to mount it three times, and got three different
results. Now it is mounted and /dev looks like
http://paste.debian.net/73572/

Now I've taken the disc out and dev looks like:
http://paste.debian.net/73573/

They look the same to me.
From: Zoran Kolic on 17 May 2010 11:30
> Sometimes I'll get "mount: no medium found on /dev/sr0" or it will mount, or
> it will give me the other error message I posted.
> I just put a disc in, tried to mount it three times, and got three different
> results. Now it is mounted and /dev looks like
> http://paste.debian.net/73572/
> Now I've taken the disc out and dev looks like:
> http://paste.debian.net/73573/

Whenever I have problem with reading/writing to dvd/cd
device, it ends replacing the drive. And drives are
cheaper and cheaper and last shorter and shorter. If
you have fond to buy new one, now it is the time to do
that. At least, I would do.
Best regards

Zoran


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