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

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

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

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https://bugs.launchpad.net/bugs/1518317

Title:
  Client display configuration is not unapplied when the client doesn't
  explicitly release its surfaces before disconnecting

Status in Mir:
  Fix Released
Status in mir package in Ubuntu:
  Fix Released

Bug description:
  Steps to reproduce (with latest lp:mir r3112):

  With multiple screens connected do:

  1. bin/mir_demo_server --arw-file // Screens should be in clone mode by default
  2. bin/mir_demo_client_display_config -m /tmp/mir_socket
  3. Press the 'h' key // Screen should be arranged side-by-side
  4. killall -9 mir_demo_client_display_config.bin

  Expected: After client is killed the screen should go back to clone mode
  Actual: Screens stay in side-by-side mode

  Note that if the client terminates normally (e.g. killall
  mir_demo_client_display_config.bin) the display configuration is
  changed as expected.

  Investigation indicates that the problem does not occur only when the
  connection is closed abruptly, but in all case where the client
  doesn't explicitly release its surface before disconnecting (either
  abruptly or normally). To replicate this with a normal disconnection
  scenario temporarily remove the mir_surface_release_sync() from
  eglapp.cpp, recompile, follow  steps 1-3 from above and terminate the
  client normally.

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