GRUB timeout is ~10x too long on arm64/uefi

Bug #1553390 reported by dann frazier
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
grub2 (Ubuntu)
Fix Released
High
Unassigned

Bug Description

The GRUB timeout timer runs ~10x slower than the wallclock on UEFI/ARM platforms.

Tags: patch
Revision history for this message
dann frazier (dannf) wrote :

Here's a pull request for current debian master:

The following changes since commit db8f8138ec508a2f1392e07adc01aafde1c32735:

  [ja] Japanese (Takuma Yamada; closes: #815203). (2016-02-20 02:11:22 +0000)

are available in the git repository at:

  https://git.launchpad.net/~dannf/grub2 people/dannf/arm-timer

for you to fetch changes up to 42f261e972f4075d0d47a173b6fbe47cfe8cfd0d:

  Cherry-pick fix for slow timer events on ARM/UEFI (LP: #1553390). (2016-03-04 15:33:55 -0700)

----------------------------------------------------------------
Mark Salter (1):
      arm-efi: Reduce timer event frequency by 10

dann frazier (1):
      Cherry-pick fix for slow timer events on ARM/UEFI (LP: #1553390).

 debian/.git-dpm | 4 ++--
 debian/changelog | 3 +++
 debian/patches/arm-efi-Reduce-timer-event-frequency-by-10.patch | 40 ++++++++++++++++++++++++++++++++++++++++
 debian/patches/series | 1 +
 grub-core/kern/arm/efi/init.c | 4 ++--
 5 files changed, 48 insertions(+), 4 deletions(-)
 create mode 100644 debian/patches/arm-efi-Reduce-timer-event-frequency-by-10.patch

Changed in grub2 (Ubuntu):
importance: Undecided → High
tags: added: patch
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package grub2 - 2.02~beta2-36ubuntu1

---------------
grub2 (2.02~beta2-36ubuntu1) xenial; urgency=medium

  [ Debconf translations ]
  * [ja] Japanese (Takuma Yamada; closes: #815203, #817084).

  [ Mathieu Trudel-Lapierre ]
  * debian/postinst.in: add MOK validation support; so that it's possible on
    upgrade to disable validation in shim if the user has dkms packages
    installed.
  * debian/control: add mokutil to grub-efi-$arch packages to deal with
    toggling MOK validation.

  [ dann frazier ]
  * Cherry-pick fix for slow timer events on ARM/UEFI (LP: #1553390).

 -- Mathieu Trudel-Lapierre <email address hidden> Tue, 15 Mar 2016 12:57:08 -0400

Changed in grub2 (Ubuntu):
status: Confirmed → Fix Released
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