kde desktop starts in mirror mode after login, expected was extended desktop.
system settings->monitor has only screensaver tab, size and dual monitor tabs are missing.

Expected behaviour of my desktop is restored, when I start xrandr from command line



Reproducible: Always

Steps to Reproduce:
1. Enter username and password on graphical login screen
2.
3.
Actual Results:  
1920x1080 desktop, mirrored on both screens

Expected Results:  
3840x1080 desktop

xrandr command line that fixed desktop:
xrandr --output HDMI1 --pos 0x0 --mode 1920x1080 --refresh 60\nxrandr --output HDMI3 --pos 1920x0 --mode 1920x1080 --refresh 60\nxrandr --output HDMI1 --primary

From OpenGL info:
Intel Xeon E3-1200 v2/3rd Gen Core processor graphics controller

my krandrrc:
[Display]
ApplyOnStartup=true
StartupCommands=xrandr --output HDMI1 --pos 0x0 --mode 1920x1080 --refresh 60\nxrandr --output HDMI3 --pos 1920x0 --mode 1920x1080 --refresh 60\nxrandr --output HDMI1 --primary

[Screen_0]
OutputsUnified=false
UnifiedRect=0,0,0,0
UnifiedRotation=1

[Screen_0_Output_HDMI1]
Active=true
Rect=0,0,1920,1080
RefreshRate=60
Rotation=1

[Screen_0_Output_HDMI3]
Active=true
Rect=1920,0,1920,1080
RefreshRate=60
Rotation=1