On Saturday 19 Sep 2015 16:02:27 Peter Koellner wrote:
> Hi!
> 
> I just had the effect that I can't unmount an external USB drive after
> opening one of the files in there from the file manager window, neither
> from shell nor from the desktop disc icon menu.
> 
> peter@kropotkin:~$ umount /media/peter/TOSHIBA\ EXT
> Error unmounting block device 8:17:
> GDBus.Error:org.freedesktop.UDisks2.Error.DeviceBusy: Error unmounting
> /dev/sdb1: Command-line `umount  "/media/peter/TOSHIBA EXT"' exited with
> non-zero exit status 32: umount: /media/peter/TOSHIBA EXT: target is busy
> (In some cases useful info about processes that
>           use the device is found by lsof(8) or fuser(1).)
> 
> 
> I have closed the atril viewer, but lsof +D /media/.../topdir says that the
> enlightenment process still has the file open:
> 
> peter@kropotkin:~$ lsof +D /media/peter/TOSHIBA\ EXT/
> COMMAND    PID  USER   FD   TYPE DEVICE SIZE/OFF   NODE NAME
> enlighten 3800 peter  127r   REG   8,17     7918 101096
> /media/peter/TOSHIBA EXT/Empresa/2015/q3/Gastos/aaaaaaa/xxxxx/yyyyyy.pdf
> 
> The effect is reproducible by clicking on the desktop disc icon and
> double-clicking on some PDF document. The atril viewer pops up. After
> closing the viewer I get the following result:
> 
> peter@kropotkin:~$ lsof +D /media/peter/TOSHIBA\ EXT/
> COMMAND    PID  USER   FD   TYPE DEVICE SIZE/OFF   NODE NAME
> enlighten 3800 peter   75r   REG   8,17  1772495     35
> /media/peter/TOSHIBA EXT/doc/TOSHIBA CANVIO BASICS.PDF enlighten 3800
> peter  127r   REG   8,17     7918 101096 /media/peter/TOSHIBA
> EXT/Empresa/2015/q3/Gastos/aaaaaaa/xxxxx/yyyyyy.pdf
> 
> 
> atril is no longer running at this point.
> 
> I have efl and elementary 1.15.1 and enlightenment 0.19.9 installed...
> 
> Any ideas?

I posted about the same problem a month or two ago, but with efl, elementary 
on  1.15.0 and enlightenment on 0.19.8.

If I hover over certain files, e.g. pdf, I can no longer unmount the USB 
drive.  enlightenment seems to be holding onto it for some reason, well after 
the hover over preview has stopped.

I am guessing it is a bug.

-- 
Regards,
Mick
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