K3B, better: cdrecord is not able to burn cds on a scd0-device asnormal user

Derek Broughton news at pointerstop.ca
Fri Aug 12 00:58:05 UTC 2005


douglas_slac wrote:

> But for some reason cdrecord does not write to /dev/cdrom, or
> /dev/scd0, but instead /dev/sg0.  This device has rw permissions for
> root and group, but it is in the 'disk' group.

I have virtually the same problem - except /dev/sg0 is in 'root', but afaict
it never actually writes there.  /dev/sg0 is a 'special' device.  It's not
a block device.  The actual writing actually happens to /dev/scd0.  Every
%^&* time I want to write to the CD device, I have to "chgrp
cdrom /dev/sg0" - the _really_ annoying thing is that /dev/sg1 exists and
belongs to cdrom.  I can fix permissions in udev, but I still want to know
why it cares about /dev/sg0
> 
> Where can I comment on ubuntu setup and install that perhaps users
> should be part of the 'disk' group?

imo, that's the wrong solution - but if I knew more about sg0, I'd be more
certain.  if nothing else cares about this device, then it should just be
owned by cdrom.
-- 
derek





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