You have been subscribed to a public bug:
This applies to Ubuntu 13.04
Tested with 2 different external USB hard disks.
After selecting "Safely Remove" (either from the launcher or nautilus),
all LUKS encryped ext4 external media is unmounted, but not locked. This
prevents the drive showing up at all, thus unlocking when it is
connected again.
This behaviour is always reproducible following the steps below:
- connect an encrypted extrnal usb disk containing an ext3/4 file system
- the drive shows up properly
- depending on the keyring, the drive is automatically unlocked or you get an
unlock prompt
- the drive is now unlocked and works as expected
- select any method of removal from the Ubuntu GUI
- the drive is removed from the GUI as expected
- disconnect the drive
- plug the drive back again
- it does not show up (at this point this can only be resolved by a reboot)
Reason:
- when the user asks the system to remove the drive, umount is called
but luksClose either fails or is not called at all
Current workaround:
- ask the system to remove the drive, then manually call: sudo luksClose
udisks-luks-uuid-...
** Affects: nautilus (Ubuntu)
Importance: Undecided
Status: New
** Tags: bot-comment encrypted luksclose unmount usb
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Safely removing encrypted USB media not locked with luksClose
https://bugs.launchpad.net/bugs/1175045
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