We could theoretically make the one USC instance appear (differently) on
multiple VTs. In tinkering with Mir's VT code I came to realize that VTs
are truly a virtual concept. If you ignore the existence of VTs then you
can still forcefully start up your system compositor on the screen.
Cooperating with the notion of a current VT is just being a good
citizen.

That said, if we're going to support an arbitrary number of users then
giving each one a different VT does not scale. USC should have a switch-
session key combo of its own (similar to the existing Ctrl-Alt-Fn).

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to systemd in Ubuntu.
https://bugs.launchpad.net/bugs/1673215

Title:
  Second unity8 user session hangs with a black screen

Status in Canonical System Image:
  In Progress
Status in systemd:
  New
Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  Login to user1 using u8 as the session
  login to a second session and select u8 as the session

  The screen goes black and the fan comes on indicating something is in a tight 
loop
  Waited for several minutes and it stays in that state. A hard power cycle is 
needed.

  This is with the Zesty as of 3/15, no extra packages installed.

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