group.of.nepali.translators team mailing list archive

[Mathieu Trudel-Lapierre <mathieu.tl@xxxxxxxxx>]

** Also affects: grub2 (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: grub2-signed (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: grub2-signed (Ubuntu)
       Status: New => Fix Released

** Changed in: grub2-signed (Ubuntu)
   Importance: Undecided => High

** Changed in: grub2 (Ubuntu Xenial)
   Importance: Undecided => High

** Changed in: grub2-signed (Ubuntu Xenial)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1519836

Title:
  MaaS fails to boot Hyper-V Generation 2 virtual machines

Status in MAAS:
  Invalid
Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2-signed package in Ubuntu:
  Fix Released
Status in grub2 source package in Xenial:
  New
Status in grub2-signed source package in Xenial:
  New

Bug description:
  When trying to deploy a "Generation 2" virtual machine on Hyper-V,
  grub fails to fetch the linux kernel and initrd from MaaS. The
  operation times out immediately, because the Generation 2 VMs are
  missing the Programmable Interval Timer (PIT). The current version of
  grub still requires this interface to exist, in order to calculate
  time.

  There is a patch that uses the EFI SetTimer() available here:

  http://savannah.gnu.org/bugs/?42944

  and an alternative in the discussion here:

  https://lists.gnu.org/archive/html/grub-devel/2014-10/msg00016.html

  that uses pmtimer instead. I am aware that grub is a critical package.
  What is the official/proper way to fix this issue? Can a patched
  grubnetx64.efi be packaged with MaaS? Do we have to wait for this fix
  to merge?

  Gabriel

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