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

[Ivan Hu]

The patch which fixed this issue has included in the upstream git repository,
http://git.savannah.gnu.org/cgit/grub.git/commit/?id=446794de8da4329ea532cbee4ca877bcafd0e534

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Title:
  Grub2 cannot boot up when 8254 time function disable

Status in grub2 package in Ubuntu:
  New

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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