This bug was fixed in the package grub2-signed - 1.66.6 --------------- grub2-signed (1.66.6) xenial; urgency=medium
* Rebuild against grub2 2.02~beta2-36ubuntu3.6. (LP: #1229458, #1519836) -- Mathieu Trudel-Lapierre <[email protected]> Mon, 19 Dec 2016 21:12:45 -0500 ** Changed in: grub2-signed (Ubuntu Xenial) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of नेपाली भाषा समायोजकहरुको समूह, which is subscribed to Xenial. Matching subscriptions: Ubuntu 16.04 Bugs 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: Fix Released Status in grub2-signed source package in Xenial: Fix Released Bug description: [Impact] 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. [Test case] Attempt to boot a Generation 2 Hyper-V system from MAAS. [Regression potential] Since this changes the way timers are picked and used in grub, this may cause things depending on timers (timeout for various features, timeout for the GRUB menu, waiting for keyboard input to get in the menu) may be affected. Any wrong behavior in keyboard input validation for getting into the grub menu on boot should be considered a regression on this patch. --- 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 To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1519836/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~group.of.nepali.translators Post to : [email protected] Unsubscribe : https://launchpad.net/~group.of.nepali.translators More help : https://help.launchpad.net/ListHelp

