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[Bug 2044664] [NEW] HDMI plugin after boot, but display can't work

 

Public bug reported:

[Summary]
HDMI plugin but display can't work after boot under HDMI only display
 
[Reproduce]
1. Set display configuration as single HDMI only
2. Boot into the system without plugging HDMI cable
3. Ensure system is booted (check it by debug console), then plug HDMI cable
4. Check the image on HDMI monitor
 
[Expected result]
Ubuntu desktop should be shown on HDMI monitor
 
[Actual result]
Ubuntu desktop was not shown on HDMI monitor
 
[Fail Rate]
100%
 
[Additional information]
Platform: Mediatek Genio1200 EVK
Ubuntu Version: 22.04.2 LTS
Image: baoshan-classic-desktop-2204-x01-20231005-133.tar.xz

** Affects: webbrowser-app (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2044664

Title:
  HDMI plugin after boot, but display can't work

Status in webbrowser-app package in Ubuntu:
  New

Bug description:
  [Summary]
  HDMI plugin but display can't work after boot under HDMI only display
   
  [Reproduce]
  1. Set display configuration as single HDMI only
  2. Boot into the system without plugging HDMI cable
  3. Ensure system is booted (check it by debug console), then plug HDMI cable
  4. Check the image on HDMI monitor
   
  [Expected result]
  Ubuntu desktop should be shown on HDMI monitor
   
  [Actual result]
  Ubuntu desktop was not shown on HDMI monitor
   
  [Fail Rate]
  100%
   
  [Additional information]
  Platform: Mediatek Genio1200 EVK
  Ubuntu Version: 22.04.2 LTS
  Image: baoshan-classic-desktop-2204-x01-20231005-133.tar.xz

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