Public bug reported:
This occurred after a fresh install of 16.04 on an Acer Desktop. At the start
only Windows would boot -- no Grub2 screen appeared. I made a number of
attempts following "https://help.ubuntu.com/community/UEFI"; Nothing worked and
they suggested trying
"http://askubuntu.com/questions/221835/installing-ubuntu-on-a-pre-installed-windows-10-with-uefi";
I executed a suggested command "bcdedit /set {bootmgr} path
\EFI\ubuntu\grubx64.efi"
This gave the Grub2 menu but only in unsecure boot mode.
The same document says to send a bug report if an invalid signature is
detected. I am doing that. However in doing so i note that the bug report is
sent to "shim". But the instructions said to set the path to "grub64.efi" and
not "shimx64.efi" which was also available in the /boot/EFI folder.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: shim 0.8-0ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-47.68-generic 4.4.24
Uname: Linux 4.4.0-47-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Nov 14 20:47:37 2016
Dependencies:
EFIBootMgr:
BootCurrent: 0001
Timeout: 2 seconds
BootOrder: 0001,0000
Boot0000 ubuntu VenHw(99e275e7-75a0-4b37-a2e6-c5385e6c00cb)
Boot0001* Windows Boot Manager
HD(1,GPT,a30e4f73-c41a-4d41-8b33-8bc3beb73cc0,0x800,0x32000)/File(\EFI\ubuntu\grubx64.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...}................
InstallationDate: Installed on 2016-11-12 (3 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: shim
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: shim (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1641793
Title:
Invalid Signature detected -- must uncheck secure boot
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1641793/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
