On Thu, Apr 12, 2018 at 9:09 AM, Thomas Schmitt <scdbac...@gmx.net>

> Hi,
> > So, the first command [program "eject"]did work;
> This proves that it is not a problem of the drive.
> Afaik, it is quite usual that contemporary Linux kernels forget to unlock
> the drive tray. (I did not yet find the exact reason in my oldish kernel
> and thus cannot tell whether it has been fixed in the newer ones.)
> On the drive level it is about an SCSI command named START/STOP UNIT,
> which needs to be sent to the drive so that it enables its own Eject
> button.
> I am quite clueless about the way how the Eject key on a Mac keyboard
> is supposed to work. Afaik, the drives do not have direct support for
> external Eject buttons. So it would be a matter of operating system or
> desktop software to emit an SCSI command to the drive when the key getsi
> pressed.
> ---------------------------------------------------------------------
> I guess that your next step is to ask LXDE people how the Eject key of
> your Mac is supposed to work, why it does not, and how to make it e.g.
> execute command "eject /dev/sr0".
> (I use fvwm2 as window manager and define key bindings by its command
>  set.)
> Have a nice day :)
> Thomas
> --


Thanks for the follow-up . . . um, yes, don't know if I posted to this
report, but the eject key does work in my several OSX partitions, there I
believe the key works to both open and close the tray--so it's no surprise
that the drive is itself OK.  But the keystoke eject also works in the
Gecko Rolling & TW partitions, and I believe it worked in a U-MATE live DVD
session--however in the case of linux it only works to open the tray and
has to be nudged physically to close it, etc . . . which all led me to
believe that this is an **exclusive** issue with Lubuntu in 18.04 edition.

Having a good day so far, thanks,


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  optical drive doesn't open in Lubuntu 18.04

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