[Bug 1734278] Re: Grub2 cannot boot up when 8254 time function disable

[Shih-Yuan Lee]

Please also update http://archive.ubuntu.com/ubuntu/dists/xenial-
proposed/main/installer-amd64/current/images/cdrom/debian-cd_info.tar.gz
or something like for this issue on xenial.

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

Title:
  Grub2 cannot boot up when 8254 time function disable

Status in HWE Next:
  Triaged
Status in OEM Priority Project:
  Triaged
Status in grub2 package in Ubuntu:
  Triaged
Status in grub2 source package in Xenial:
  Triaged
Status in grub2 source package in Bionic:
  Triaged
Status in grub2 package in Debian:
  New
Status in grub2 package in Fedora:
  Confirmed

Bug description:
  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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