Public bug reported:
1) lsb_release -rd
Description: Ubuntu 14.04.4 LTS
Release: 14.04
2) apt-cache policy grub-common
grub-common:
Installed: 2.02~beta2-9ubuntu1.7
Candidate: 2.02~beta2-9ubuntu1.7
Version table:
*** 2.02~beta2-9ubuntu1.7 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64
Packages
100 /var/lib/dpkg/status
2.02~beta2-9ubuntu1.6 0
500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64
Packages
2.02~beta2-9 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
3) I attempted to boot a customized version of tboot in a UEFI
environment (using the multiboot2 command) I expected the system to boot
as usual.
4) GRUB displayed the message that it was loading tboot and never went
further.
5) Further Details:
After GRUB crashed, I set the "debug" environment variable to "all" in
the GRUB configuration file and I tracked the problem to functions in
"grub-core/lib/relocator.c" in the source.
This bug was reported in the main GRUB repo:
http://savannah.gnu.org/bugs/?41655
The fix for this was posted back in 2014:
http://git.savannah.gnu.org/cgit/grub.git/commit/?id=46b74dd3cbb3a97a7abeb7f0464de548006e0e3d
I checked the GRUB source obtained through apt-get source and can
confirm that the fix listed above was not integrated into Ubuntu's
version of GRUB.
Note: This fix was a part of the changes for 2.02-beta3 (released in
February 2016). Ubuntu is currently running 2.02-beta2 (even for the
newest Ubuntu releases).
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: grub2 multiboot multiboot2
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https://bugs.launchpad.net/bugs/1595312
Title:
GRUB crashes on loading multiboot2 kernel
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