[Bug 1460521] [NEW] UEFI BootOrder is not empty after I removed the last boot entry.

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Shih-Yuan Lee (fourdollars):

There is no such issue in Ubuntu 14.10 or 15.04.

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.2 LTS
Release:	14.04
Codename:	trusty

$ dpkg-query -W efibootmgr 
efibootmgr	0.5.4-7ubuntu1.1

$ sudo efibootmgr -v || echo "*failed*"
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0000
Boot0000* ubuntu	HD(1,800,100000,b8d7d8e9-4ac4-46cc-8bd0-8d90d6df1df4)File(\EFI\ubuntu\shimx64.efi)

$ sudo efibootmgr -v -B -b 0 || echo "*failed*"
*failed*

$ sudo efibootmgr -v || echo "*failed*"
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0000

$ sudo efibootmgr -v -c -L ubuntu -l \\EFI\\ubuntu\\shimx64.efi || echo "*failed*"
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0000,0000
Boot0000* ubuntu	HD(1,800,100000,b8d7d8e9-4ac4-46cc-8bd0-8d90d6df1df4)File(\EFI\ubuntu\shimx64.efi)

You can see BootOrder having the duplicate 0000.

** Affects: efibootmgr (Ubuntu)
     Importance: Undecided
         Status: New

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UEFI BootOrder is not empty after I removed the last boot entry.
https://bugs.launchpad.net/bugs/1460521
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