Audio CD device

[Richard E Miles]

On Thu, 3 Mar 2005 10:39:40 +1100
"Simon Slater" <sslater at cybanet.net.au> wrote:

> > > > On Sun, 27 Feb 2005 09:48:47 +1100
> > > > "Simon Slater" <sslater at cybanet.net.au> wrote:
> > > >
> > > > > For audio CD's to play on FC3, I have soft linked /dev/hdc ->
> > > > /dev/cdrom,
> > > > > changed the permissions of /dev/hdc from 660 to 664 and all is well.
> > > > > However after each boot the permissions return to 660.
> > > > >
> > > > > -Do I need a script to continually change this?
> > > > > -Why do the permissions revert to 660?  Is this udev??
> > > > >
> > > > > Many thanks
> > > > > Simon Slater
> > > > >
> > > >
> > > > Yes udev is changing the permissions. See
> > > > /etc/udev/permissions.d/50-udev.permissions. Look for cdrom.
> > > > You can create a local rules file 50-local.permissions in the
> > > > /etc/udev/permissions.d directory and set your rules there. ie:
> > > > cdroms/*:root:disk:0664.
> > > >
> > > > --
> > > > Richard E Miles
> > > > Federal Way WA. USA
> > > > registered linux user 46097
> > >
> > > I created the 50-local.permissions file as suggested, but no
> > joy.  I also
> > > substituted ...:root:... with ...:$local:... but again no
> > success. I could
> > > not see reference to the 50-local.permissions file in the man
> > page. Should
> > > the layout be the similar to 50-udev.permissions, with only the relevant
> > > lines? Is a soft or hard link from /dev/hdc -> cdrom still
> > needed with this
> > > fix?
> > >
> > > Thanks
> > > Simon
> > >
> > I never had to make a link from /dev/hdc to /dev/cdrom, the
> > system did it. How
> > did you make the link? Was it ln -s /dev/hdc /dev/cdrom? Here is
> > how my link
> > looks:
> > [rmiles at localhost ~]$ ls -l /dev/cdrom
> > lrwxrwxrwx  1 root root 3 Mar  2 01:21 /dev/cdrom -> hdc
> >
> > Was your cd reader not working? On FC3 systems it is mounted at /media.
> > What does your /etc/fstab look like? Here is mine:
> > # This file is edited by fstab-sync - see 'man fstab-sync' for details
> > LABEL=/                 /                       ext3    defaults
> >       1 1
> > LABEL=/boot             /boot                   ext3    defaults
> >       1 2
> > none                    /dev/pts                devpts
> > gid=5,mode=620  0 0
> > none                    /dev/shm                tmpfs   defaults
> >       0 0
> > none                    /proc                   proc    defaults
> >       0 0
> > none                    /sys                    sysfs   defaults
> >       0 0
> > /dev/hda3               swap                    swap    defaults
> >       0 0
> > /dev/hdc                /media/cdrecorder       auto
> > pamconsole,exec,noauto,fscontext=system_u:object_r:removable_t,managed 0 0
> > /dev/fd0                /media/floppy           auto
> > pamconsole,exec,noauto,fscontext=system_u:object_r:removable_t,managed 0 0
> >
> > --
> > Richard E Miles
> > Federal Way WA. USA
> > registered linux user 46097
> >
> Thanks again Richard, however my specs are analogous to yours.  Yet my
> system does not make the link.  The "ls -l /dev/cdrom" gives File not found.
> I use "ln -s /dev/hdc /dev/cdrom", giving the same permissions as in your
> reply.
> 
> The CD reader is working: FC3 was installed from there; CD Player runs from
> root (which first gave the pointer to permissions); Music Player plays
> tracks ripped via Sound Juicer.  Also the cable is connected from drive to
> card.
> 
> The fstab is essentially the same w.r. to /dev/hdc with the exception of the
> fs_file being /media/cdrom.  The mount options are the same but in a
> different order. (I did not include the fstab output because I am mailing
> from a windows laptop. The FC3 box does not have the modem working yet.  It
> comes after Samba is up, after the tape drive is going, after the CD.)
> 
> Pointing CD Player to /media/cdrom gives:
> "Error Setting Device
> does not point to a valic CDRom device. This may be caused by:
> a)CD support not present (N/A)
> b)You do not have the correct permissions to access the CD drive (This error
> still given both before and after chmod 664 /dev/hdc)
> c)/media/cdrom is not the CD drive" (works with /dev/cdrom when permissions
> set).
> 
> I hope this points to a solution.
> Regards
> Simon.
> 


What happens when you do a mount /dev/hdc -t iso9660 /media/cdrom?
-- 
Richard E Miles
Federal Way WA. USA
registered linux user 46097