cdrecord cannot blank CD RW

[David Timms]

Paul Smith wrote:
> On 5/14/06, Paul Smith <phhs80 at gmail.com> wrote:
>> > > Whenever I try to blank a CD RW, I get the following:
...
>> > > cdrecord: Resource temporarily unavailable. Cannot get mmap for
>> > > 4198400 Bytes on /dev/zero.
>> > > $
>> > >
>> > > Any ideas?
>> >
>> > Does it work if you run it as root?
>>
>> Yes, it does.
> 
> Notwithstanding, I suppose it should work as user and not only as root.
I found that this happens because the CD is currently (auto)mounted. 
 From nautilus the only option is eject. When you put the disc back in, 
it gets mounted again :~{

Some kind folks mentioned gnome-umount:
# gnome-umount -d /dev/cdrw
then use your writing tools (eg k3b...)

DaveT.