[arch-general] CD eject as non-root user

[Norbert Zeh]

Heiko Baums [2011.08.18 2033 +0200]:
> Am Thu, 18 Aug 2011 20:08:47 +0200
> schrieb Karol Blazewicz <karol.blazewicz at gmail.com>:
> 
> > I put the data CD, close the tray, try to mount it, but
> >   [karol at white ~]$ sudo mount /dev/sr0 /media/cd/
> >   mount: /dev/sr0 already mounted or /media/cd/ busy
> > 
> > It's definitely not mounted, let's try again
> >   [karol at white ~]$ mount | grep sr0
> >   [karol at white ~]$ sudo mount /dev/sr0 /media/cd/
> >   mount: block device /dev/sr0 is write-protected, mounting read-only
> > 
> > OK, let's see if it's mounted indeed
> >   [karol at white ~]$ mount | grep sr0
> >   /dev/sr0 on /media/cd type iso9660 (ro)
> > 
> > Looks fine, unmount it and eject it
> >   [karol at white ~]$ sudo umount /media/cd/
> >   [karol at white ~]$ mount | grep sr0
> >   [karol at white ~]$ eject /dev/sr0
> >   eject: unable to eject, last error: Inappropriate ioctl for device
> > 
> > Despite the error, the CD got ejected. Using eject is the only way to
> > do it - pushing the button on the case doesn't to a damn thing ...
> > unless I push it and try mounting again - in this case, the tray will
> > open.
> 
> Since when do you have those issues? It's probably a bug in the kernel
> (package linux 3.0.2 and 3.0.3).
> 
> I just wanted to try what was explained in this thread and must realize
> that my DVD writer isn't detected anymore, no /dev/sr0 anymore. And my
> drive is hard locked, means I can't open the tray anymore with the
> drive's eject button. And the eject command doesn't work either, of
> course.
> 
> Here's my bug report:
> https://bugs.archlinux.org/task/25649

Are you sure this worked for you with 3.0.1?  If it did, then your issue
and mine seem to be unrelated.  I just downgraded to 3.0.1-1 and once
again was not able to run eject as non-root user, even immediately after
a reboot.

Cheers,
Norbert