Well, also try

lsof | egrep -i 'sr0|cdrom|dvd'

On Sun, Jul 27, 2014 at 3:07 PM, Ed Greshko <ed.greshko@greshko.com> wrote:

On 07/28/14 02:40, Michael Eager wrote:
> I'm trying to use wodim to write or blank a cdrom.  When I execute
>
> $ sudo wodim dev=/dev/sr0 blank=all
>
> I get the following error:
>
> Error trying to open /dev/sr0 exclusively (Device or resource busy)... retrying
>
> The same thing happens when I use K3B.  It says it cannot get exclusive
> control over the device.
>
> I can't find any process which is using /dev/sr0.  fuser returns nothing.
>
> Any idea how to find what is locking /dev/sr0, or how to allow wodim to
> write to the CD?
>

I've not worked with optical disks in a long time....  But, what if you issue the same command without the "sudo"?

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