zkusil sem s Xubuntu18.04+Xfce4.14 , ve virt-viewer display2 zaskrtnul a zobrazilo se druhe okno a desktop/xfce vyhodil dotaz kam/jak chci novej monitor rozmistit, xrandr pak zobrazi:
Screen 0: minimum 320 x 200, current 2048 x 768, maximum 8192 x 8192
Virtual-0 connected primary 1024x768+0+0 0mm x 0mm
1024x768 59.95*+
1920x1200 59.95
1920x1080 60.00
1600x1200 59.95
1680x1050 60.00
1400x1050 60.00
1280x1024 59.95
1440x900 59.99
1280x960 59.99
1280x854 59.95
1280x800 59.96
1280x720 59.97
1152x768 59.95
800x600 59.96
848x480 59.94
720x480 59.94
640x480 59.94
Virtual-1 connected 1024x741+1024+0 0mm x 0mm
1024x741 59.95*+
1920x1200 59.95
1920x1080 60.00
1600x1200 59.95
1680x1050 60.00
1400x1050 60.00
1280x1024 59.95
1440x900 59.99
1280x960 59.99
1280x854 59.95
1280x800 59.96
1280x720 59.97
1152x768 59.95
1024x768 59.95
800x600 59.96
848x480 59.94
720x480 59.94
640x480 59.94
Virtual-2 disconnected
Virtual-3 disconnected
nicmene slo to az na "ponekolikate", nejdriv sem zmenil v virt-manager v detail/video v xml editaci heads z 1 na 2, nastartoval a nic, xrandr zobrazil connected jen virtual-0, pridat mode k virtual-1 a zkusit ho rucne zapnout nepomohlo, pak sem zkusil pridat druhe "video qxl", coz dle docs ma byt reseni pro Windows, to mi uz zobrazilo 2 okna, ale z login screen po zadani hesla se to vratilo zpet, tak sem druhou video qxl odebral a uz to funguje jak sem psal nahore... pri kazde zmene sem vracel nejdrive ulozenej snapshot