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[Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>]

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

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

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https://bugs.launchpad.net/bugs/1475120

Title:
  [regression] Clients are blocked in swap buffers when the screen turns
  off

Status in Mir:
  Fix Committed
Status in mir package in Ubuntu:
  Invalid

Bug description:
  [regression] Clients are blocked in swap buffers when the screen turns
  off. This came about since dynamic double buffering was introduced in
  r2763.

  With triple buffers, the screen turning off just makes clients slow
  down to 10Hz. However since r2763, well performing clients that are
  given double buffers will be blocked when the screen turns off.

  IMHO, the 10Hz behaviour is a mistake for Ubuntu's power management.
  It's a historical kludge we implemented to support buggy apps, but
  it's still a supported feature and so should continue to work.

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