This bug was fixed in the package grub2 - 2.02~beta2-36ubuntu3.16
---------------
grub2 (2.02~beta2-36ubuntu3.16) xenial; urgency=medium
[ dann frazier ]
* Use EFI_SIMPLE_TEXT_INPUT_EX to support key combinations.
(LP: #722950)
[ Mathieu Trudel-Lapierre ]
* util/grub-install.c: Use MokManager EFI binary name without
the .signed extension now that shim handles signing via sbsigntool
natively. (LP: #1708245)
- debian/patches/install_signed.patch
* debian/control: Breaks shim << 13 due to the renamed MokManager binary.
-- dann frazier <da...@ubuntu.com> Wed, 10 Jan 2018 17:04:34 -0700
** Changed in: grub2 (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/722950
Title:
ctrl-x does not work in grub-efi
Status in grub2 package in Ubuntu:
Fix Released
Status in grub2-signed package in Ubuntu:
New
Status in grub2 source package in Xenial:
Fix Released
Status in grub2-signed source package in Xenial:
Fix Released
Status in grub2 source package in Zesty:
Won't Fix
Status in grub2-signed source package in Zesty:
Won't Fix
Status in grub2 source package in Artful:
Fix Released
Status in grub2-signed source package in Artful:
Fix Released
Bug description:
[Impact]
On some UEFI platforms, useful key combinations fail to work over the serial
console. In particular, ^x/F10 - one of which is needed to boot after
interactively editing the boot menu. This leaves end users without a sane way
to tweak command line arguments, and potentially other system recovery tasks.
[Test Case]
Boot such a UEFI system to the GRUB menu. Press 'e' to edit the commandline,
then attempt to continue the boot using "^x".
[Regression Risk]
The proposed fix is a cherry-pick from upstream that we've been shipping in
Ubuntu since 17.10 w/o any any known regressions. However, it is possible that
such regressions exist - e.g. if a platform's firmware has a buggy
implementation fo the EFI_SIMPLE_TEXT_INPUT_EX protocol.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/722950/+subscriptions
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