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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

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

** Tags added: kernel-da-key trusty

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https://bugs.launchpad.net/bugs/1287398

Title:
  hyper-v: frame buffer driver not loading in Generation 2 mode

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Hi folks,

  It appears that Hyper-V frame buffer driver may not load while booting
  on UEFI based Generation 2 VMs. The following patches address the
  problem. Please include:

  1) vmbus: use resource for hyperv mmio region
  http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/hv?id=90eedf0cbe4ba2a316633d6547d331c8b30517e7

  2) Drivers: hv: vmbus: Extract the mmio information from DSDT
  http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/hv?id=90f3453585479d5beb75058da46eb573ced0e6ac

  3) hyperv-fb: kick off efifb early
  http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/video/hyperv_fb.c?id=e5bb7425e5bae76c8950089a946edcba3e0540ab

  4) hyperv-fb: add support for generation 2 virtual machines.
  http://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/commit/drivers/video/hyperv_fb.c?id=9069fd54960304a7c941909cbccdf8df9c42b488

  Thanks,
  Abhishek

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