https://bugs.kde.org/show_bug.cgi?id=466556
Bug ID: 466556
Summary: Opening lid of laptop with external screen connected
inappropriately disables laptop screen
Classification: Plasma
Product: KScreen
Version: master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: n...@kde.org
Target Milestone: ---
Current git master from today. 100% reproducible for me.
STEPS TO REPRODUCE
1. Plug in external HDMI screen to laptop, either director or through
Thunderbolt dock (makes no difference)
2. Position external screen above laptop screen, offset to the left about 50%
3. Close laptop lid such that screen locks and computer goes to sleep
4. wait 5 seconds
5. Open laptop lid to wake laptop and show the lock screen
OBSERVED RESULT
Only external screen is enabled. Laptop screen has become disabled.
Sometimes I see the dreaded "the screen locker is broken" screen instead of the
expected normal lock screen, but this part isn't 100% reproducible.
EXPECTED RESULT
Laptop screen remains enabled.
ADDITIONAL INFORMATION:
word-by-word diff of the `kscreen-o` output:
$ git diff --word-diff before\ closing\ lid.txt after\ opening\ lid.txt diff
--git before closing lid.txt after opening lid.txt
index 8f4a15c..2deac80 100644
--- before closing lid.txt
+++ after opening lid.txt
@@ -1,5 +1,5 @@
Output: 1 eDP-1 [-enabled-]{+disabled+} connected priority [-1-]{+0+} Panel
Modes: 0:3840x2160@60*! 1:1600x1200@60 2:1280x1024@60 3:1024x768@60
4:2560x1600@60 5:1920x1200@60 6:1280x800@60 7:3840x2160@60 8:3200x1800@60
9:2880x1620@60 10:2560x1440@60 11:1920x1080@60 12:1600x900@60 13:1368x768@60
14:1280x720@60 Geometry: 1163,1080 1920x1080 Scale: 2 Rotation: 1 Overscan: 0
Vrr: incapable RgbRange: Automatic
Output: 2 DP-1 enabled connected priority [-2-]{+1+} DisplayPort Modes:
0:1920x1080@60*! 1:1920x1080@60 2:1920x1080@60 3:1920x1080@50 4:1920x1080@50
5:1680x1050@60 6:1600x900@60 7:1280x1024@60 8:1440x900@60 9:1280x800@60
10:1280x720@60 11:1280x720@60 12:1280x720@60 13:1280x720@50 14:1280x720@50
15:1024x768@60 16:800x600@60 17:720x576@50 18:720x576@50 19:720x480@60
20:720x480@60 21:720x480@60 22:720x480@60 23:720x480@60 24:640x480@60
25:640x480@60 26:640x480@60 27:720x400@70 28:1280x1024@60 29:1024x768@60
30:1280x800@60 31:1920x1080@60 32:1600x900@60 33:1368x768@60 34:1280x720@60
Geometry: 0,0 1920x1080 Scale: 1 Rotation: 1 Overscan: 0 Vrr: incapable
RgbRange: Automatic
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