U-Stu Karmic can't find CD/DVD drive

mark mark at aktivix.org
Wed Feb 3 10:29:28 GMT 2010

Hello Paul

I can't promise anything, but I might be able to help. I had a similar
problem once, caused by a system not loading the ata_piix module.

Please can you give us some more info by doing this in a terminal:

sudo su           (type your password)
lshw >report
lspci >>report
lsusb >>report    (only if your CD drive is on a USB connection)
lsmod >>report
exit              (gets you out of super-user mode: important!)

You should now have a file called "report" in your home directory. Have
a quick look at it using "less report" to check that I'm not using Jedi
mind-tricks to make you divulge any sensitive personal information...
then reply to this email with the report attached.


On 03/02/10 04:11, Paul DeShaw wrote:
> Greetings,
> I finally upgraded from Hardy about a month or two ago.  I now have a
> multimedia content creation system that cannot read or write optical
> media.  I consider this sub-optimal.
> When I go to Places>cdrom0, a window pops up that says:
> *Unable to mount cdrom0
> *mount: special device dev/scd0 does not exist
> The drive is an HP dvd840. I can boot live cd's from the device, I used
> it to upgrade to Karmic.  It worked fine in Hardy.
> In my Googling, I came across the same error back in Intrepid--in
> Launchpad, the bug was closed due to inactivity without being resolved. 
> I also noted the exact same error being reported for Karmic on the
> Ubuntu forums; the original poster gave up, but someone then wrote in
> that he replaced his IDE optical drive with a SATA one, which then
> worked.  I think it would be better if people could use what they have,
> either IDE or SATA.  I am willing to file a bug, but first I wanted to
> see if anyone here has a solution.
> What other information do you need to find out what's going on?
> Thanks,
> Paul
> *
> *

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