Yeah, sorry I was meaning to tell you but never caught you on IRC... I
noticed Xmir does modify the display config, but only to implement DPMS.
That's legacy code from the days when Xmir was full screen. Although
full screen mode is also the default mode. So I'm wondering if we need
to make the behaviour conditional rather than delete the feature. It
should be disabled in windowed and rootless modes...

It is actually valid for apps to be able to change the power mode of the
display. mirout in Mir 0.26.0 has such an option. But I agree it's bad
for apps to do it unexpectedly.

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1521403

Title:
  Unity8 crashes on suspend/standby with SIGSEGV in Screen::makeCurrent
  (./src/platforms/mirserver/screen.cpp:406)

Status in Canonical System Image:
  New
Status in qtmir package in Ubuntu:
  In Progress
Status in unity8 package in Ubuntu:
  Invalid

Bug description:
  The Ubuntu Error Tracker has been receiving reports about a problem
  regarding unity8.  This problem was most recently seen with version
  8.11+15.04.20151130.1-0ubuntu1, the problem page at
  https://errors.ubuntu.com/problem/6cee045a96ab5c9a03847aeb290f4860eea1034d
  contains more details.

To manage notifications about this bug go to:
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