Although this is fundamentally a kernel issue, the current kernel
infrastructure would really only be able to abort anyone use the 'being
replaced' framebuffer when we switch from efifb to a DRM framebuffer.
This change will likely be extensive and slow to get through upstream.
Also plymouth will have to be modified to handle being aborted and
reconnect to the replacement transparently.  In the short term we can
avoid this issue the same way we avoided it for vesafb by demoting the
driver to a secondary display.  This means we only use efifb at all if
no DRM driver appears.  Neatly avoiding the issue.

As we have now (early saucy) moved udev over to systemd sources I have
proposed this against both udev and systemd.  udev for raring and
systemd for saucy.  I will attach patches once they are tested.

** Also affects: linux (Ubuntu Raring)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Raring)
       Status: New => Confirmed

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

** Changed in: linux (Ubuntu Raring)
     Assignee: (unassigned) => Andy Whitcroft (apw)

** Also affects: udev (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: systemd (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: systemd (Ubuntu Raring)
       Status: New => Invalid

** Changed in: udev (Ubuntu)
       Status: New => Invalid

** Changed in: systemd (Ubuntu)
       Status: New => In Progress

** Changed in: udev (Ubuntu Raring)
       Status: New => In Progress

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

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

** Changed in: udev (Ubuntu Raring)
     Assignee: (unassigned) => Andy Whitcroft (apw)

** Changed in: systemd (Ubuntu)
     Assignee: (unassigned) => Andy Whitcroft (apw)

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https://bugs.launchpad.net/bugs/1100386

Title:
  Server installations on VMs fail to reboot after the installations

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