Comment 18 for bug 1759950

I've captured a log where it doesn't fail. The difference is a single error message. In failing sessions there is an additional "Failed to configure CRTC..." which is not seen here:

xfce4-settings(displays): UPower lid event received (closed -> open).
xfce4-settings(displays): Toggling internal output LVDS.
xfce4-settings(displays): CRTC 79 assigned to LVDS.
xfce4-settings(displays): CRTC 79, output list[0] -> 82.
xfce4-settings(displays): LVDS will be re-enabled.
xfce4-settings(displays): Normalized CRTC 79: size=1280x800, pos=0x0.
xfce4-settings(displays): min_h = 200, min_w = 320, max_h = 4096, max_w = 4096, prev_h = 800, prev_w = 1280, prev_hmm = 211, prev_wmm = 338, h = 0, w = 0, hmm = 0, wmm = 0.
xfce4-settings(displays): Configuring CRTC 79.
xfce4-settings(displays): Applying changes to CRTC 79.
xfce4-settings(displays): Applying CRTC 79 Transform: x=0.000000 y=0.000000, filter=bilinear.
xfce4-settings(displays): Configuring CRTC 80.

(xfsettingsd:7482): xfsettingsd-CRITICAL **: 14:49:59.549: Failed to apply display settings

xfce4-settings(displays): RRScreenChangeNotify event received.
xfce4-settings(displays): Refreshing RandR cache.
xfce4-settings(displays): Detected CRTC 79.
xfce4-settings(displays): Detected CRTC 80.
xfce4-settings(displays): Detected output 82 LVDS.
xfce4-settings(displays): Noutput: before = 1, after = 1.