xrandr: Failed to get size of gamma for output default Screen 0: minimum 1824 x 984, current 1824 x 984, maximum 1824 x 984 default connected 1824x984+0+0 (0x51a) normal (normal) 0mm x 0mm Identifier: 0x519 Timestamp: 680599 Subpixel: unknown Clones: CRTC: 0 CRTCs: 0 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: non-desktop: 0 supported: 0, 1 1824x984 (0x51a) 0.000MHz *current h: width 1824 start 0 end 0 total 1824 skew 0 clock 0.00KHz v: height 984 start 0 end 0 total 984 clock 0.00Hz