Description of problem:
On Fedora 24 I used to use xrandr to change between screen resolutions on my VNC session. Now it appears that I can do that only once, if I want a differente resolution I have to restart Xorg and run xrandr again.
Version-Release number of selected component (if applicable):
Change the resolution once using xrandr at a VNC session and try to change it again.
Steps to Reproduce:
1. # Change the VNC display resolution to 1600X900
xrandr --newmode "1600x900" 118.25 1600 1696 1856 2112 900 903 908 934 -hsync +vsync
xrandr --addmode Virtual1 1600x900
xrandr -s 1600x900
2. # Try to change it to
xrandr --newmode "1920x1080" 173.00 1920 2048 2248 2576 1080 1083 1088 1120 -hsync +vsync
xrandr --addmode Virtual1 1920x1080
3. # result:
Size 1920x1080 not found in available modes
The resolution does not change
The resolution should change
I tried with different resolutions. The same commands used to work with Fedora 24
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