Ubuntu
xserver-xorg-video-intel package

  1. Bug #147073
  2. Comment #2

Comment 2 for bug 147073

Revision history for this message
unggnu (unggnu) wrote : Re: xrandr causes temporary blanking of external output

I can confirm this but this only happens if th LVDS isn't deactivated. If you only use the VGA output there is no flickering.
"xrandr --output LVDS --off" disables it.