Ubuntu 19.04 breaks grub keyboard input on XPS 15

[Martin Lund]

After upgrading to ubuntu 19.04 (pre-beta) grub ignores input from keyboard. Neither the onboard usb keyboard nor external logitech usb wireless keyboard works.

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: grub2 (not installed)
ProcVersionSignature: Ubuntu 5.0.0-7.8-generic 5.0.0
Uname: Linux 5.0.0-7-generic x86_64
ApportVersion: 2.20.10-0ubuntu23
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Mar 26 11:29:27 2019
InstallationDate: Installed on 2018-12-20 (95 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
SourcePackage: grub2
UpgradeStatus: Upgraded to disco on 2019-03-25 (0 days ago)

[Martin Lund (martin-lund)]

fyi - usb legacy mode is enabled in bios (Dell XPS 15 bios v1.8.1) and I'm booting in non-secure mode.

[Martin Lund (martin-lund)]

I can get the usb keyboard working if I force GRUB_PRELOAD_MODULES="usb usb_keyboard ehci ohci uhci" but then it is unable to find my nvme disk.

[Martin Lund (martin-lund)]

Something has changed in grub behaviour between 18.10 and 19.04, at least on a Dell XPS 15 laptop.

In Ubuntu 18.10, with the default GRUB_TIMEOUT=0, it used to be possible to enter the grub menu by pressing shift or escape during boot.

In 19.04 I've found that I need to set eg. GRUB_TIMEOUT=3 else I can't enter the grub navigation menu, even when pressing shift or escape key during boot. Perhaps this is expected behavour of the new version grub. Either way I think this issue can be closed.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.