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for Jammy and Lunar. They will need to be manually approved by a member
of the Ubuntu SRU team before they will be made available as proposed
updates.

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** Description changed:

  [Impact]
  gnome-control-center crashed when switching to mirror mode and monitors don't 
have matched resolution
  
  [Test case]
  Mirror mode is only an option if there are only 2 monitors connected even if 
one monitor is disabled. A laptop's internal screen counts as one of the 
monitors.
  
  This particular bug requires two screens that have a screen resolution
  that they don't both share. (See comment 12 for an example).
  
  1. Connect the monitors
  2. Open the GNOME Settings app (gnome-control-center)
  3. On the left sidebar, click Displays to switch to the Display panel
  4. Switch to mirror mode
  3. gnome-control-center won't crash
  
  [Where problems could occur]
  This only modifies the code related to mirror mode in Displays panel.
  
  For Lunar, check variable (best_mode) before using it. This patch is
  backported from GNOME 45 Alpha.
  
- For Jammy, include the Lunar patch and modify the way to find cloning
- mode. This second patch is backported from gnome-control-center 42.
+ For Jammy, include the Lunar patch and update the way to find cloning
+ mode. These 2 additional patches are backported from gnome-control-
+ center 43.
  
  [Other info]
  Two Merge Request are related
  1. Check best_mode exist before adding flag 
(https://gitlab.gnome.org/GNOME/gnome-control-center/-/merge_requests/1835)
  2. Use virtual clone modes when mirroring  
(https://gitlab.gnome.org/GNOME/gnome-control-center/-/merge_requests/1376)

-- 
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/2026228

Title:
  gnome-control-center crashed when switching to mirror mode and
  monitors don't have matched resolution

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