group.of.nepali.translators team mailing list archive

[Brian Murray <1734278@xxxxxxxxxxxxxxxxxx>]

Ubuntu 17.10 (Artful Aardvark) has reached end of life, so this bug will
not be fixed for that specific release.

** Changed in: debian-installer (Ubuntu Artful)
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/1734278

Title:
  Grub2 cannot boot up when 8254 time function disable

Status in HWE Next:
  Fix Released
Status in OEM Priority Project:
  Fix Released
Status in debian-installer package in Ubuntu:
  Fix Released
Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2-signed package in Ubuntu:
  Fix Released
Status in debian-installer source package in Xenial:
  Fix Released
Status in grub2 source package in Xenial:
  Fix Released
Status in grub2-signed source package in Xenial:
  Fix Released
Status in debian-installer source package in Artful:
  Won't Fix
Status in grub2 source package in Artful:
  Fix Released
Status in grub2-signed source package in Artful:
  Fix Released
Status in debian-installer source package in Bionic:
  Fix Released
Status in grub2 source package in Bionic:
  Fix Released
Status in grub2-signed source package in Bionic:
  Fix Released
Status in grub2 package in Debian:
  Fix Released
Status in grub2 package in Fedora:
  Fix Committed

Bug description:
  [Impact]
  Some Intel SoC-based systems.

  [Test cases]
  1) Boot an affected system.

  [Regression potential]
  Some systems may rely on the current state of the timer selection in order to be able to boot successfully, or to catch key presses before the end of a timeout in the menu.
  These systems may then fail to boot correctly, stuck in a timeout of crashing in grub. The new default, pmtimer, should be available on all ACPI-capable systems without being power-gated such as for the PIT, so the impact of this possible regression is minimal.

  ---

  Fail to boot into Ubuntu GRUB on the platforms which legacy(8254) timer function is disabled.
  "8254 clock gating" is provided to disable 8254 timer to get rid of legacy and save power. The platforms with the firmware which disable the 8254 timer will fail to boot up and block on grub2 which uses the 8254 timer to calibrate the TSC.

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