Public bug reported:
Connect HDMI or D-sub to external monitor, and it works fine when switching to
mirror mode in 1024x768, but does not work for mirror mode in 1366x768. Please
see the attached screenshot.
output of xrandr -q:
Screen 0: minimum 320 x 200, current 2806 x 900, maximum 8192 x 8192
LVDS1 connected 1366x768+0+132 (normal left inverted right x axis y axis) 344mm
x 193mm
1366x768 60.0*+
1360x768 59.8 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected 1440x900+1366+0 (normal left inverted right x axis y axis)
408mm x 255mm
1440x900 59.9*+ 84.8 75.0
1920x1080 60.0
1600x1200 60.0
1680x1050 60.0
1400x1050 74.9 60.0
1280x1024 85.0 75.0 60.0
1280x960 85.0 60.0
1360x768 60.0
1280x800 84.9 74.9 59.8
1152x864 75.0
1280x768 84.8 74.9 59.9
1280x720 64.0 60.0
1024x768 85.0 75.1 75.0 70.1 60.0
832x624 74.6
800x600 85.1 72.2 75.0 60.3 56.2
848x480 60.0
640x480 85.0 75.0 72.8 72.8 66.7 60.0 59.9
720x400 85.0 70.1
640x400 85.1
640x350 85.1
DP1 disconnected (normal left inverted right x axis y axis)
Steps to reproduce:
1. Connect external monitor using HDMI or D-sub
2. Use Display settings to switch to mirror mode, and select 1366x768 for
resolution
3. Error dialog window pops up
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
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Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1033864
Title:
Error message is shown when switching to 1366x768 mirror mode
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https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1033864/+subscriptions
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