New behavior, resulting in single-screen mode going to the VGA port instead of the onboard laptop port: src> ./disper.py -s -v Enabled plugins: NVidia kernel driver version: 304.43 backend: XRandR using specified displays: VGA-0 resolutions of VGA-0: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 VGA-0: available refresh rates for resolution 1680x1050: 59, 59, 74 VGA-0: selecting XRandR mode #1: 1680x1050 74Hz src> ./disper.py --displays=VGA-0,DP-2 -ev Enabled plugins: using specified displays: VGA-0, DP-2 NVidia kernel driver version: 304.43 backend: XRandR resolutions of VGA-0: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 resolutions of DP-2: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 preferred resolutions for displays: VGA-0: 1680x1050, DP-2: 1680x1050 VGA-0: available refresh rates for resolution 1680x1050: 59, 59, 74 VGA-0: selecting XRandR mode #1: 1680x1050 74Hz DP-2: available refresh rates for resolution 1680x1050: 59, 59 DP-2: selecting XRandR mode #1: 1680x1050 59Hz src> ./disper.py -lv Enabled plugins: NVidia kernel driver version: 304.43 backend: XRandR resolutions of VGA-0: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 display VGA-0: VGA-0 resolutions: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 resolutions of LVDS-0: 1440x900 display LVDS-0: LVDS-0 resolutions: 1440x900 resolutions of DP-2: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 display DP-2: DP-2 resolutions: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 Old behavior: src> disper -s -v Enabled plugins: using specified displays: DFP-0 resolutions of DFP-0: 1440x900 adding metamode: :: DFP-0: 1440x900 +0+0 setting xinerama info order: DFP-0 deleting dangling metamode 50: source=xconfig, id=50, switchable=yes :: DFP-0: nvidia-auto-select @1440x900 +0+0, CRT-0: 1440x900 @1440x900 +0+0 deletion of dangling metamode 50 failed deleting dangling metamode 51: source=implicit, id=51, switchable=no :: CRT-0: nvidia-auto-select @1680x1050 +0+0 deletion of dangling metamode 51 failed deleting dangling metamode 52: source=implicit, id=52, switchable=no :: CRT-0: 1680x1050 @1680x1050 +0+0 deletion of dangling metamode 52 failed deleting dangling metamode 53: source=implicit, id=53, switchable=no :: CRT-0: 1680x1050_60 @1680x1050 +0+0 deletion of dangling metamode 53 failed deleting dangling metamode 54: source=implicit, id=54, switchable=no :: CRT-0: 1680x1050_75 @1680x1050 +0+0 deletion of dangling metamode 54 failed deleting dangling metamode 55: source=implicit, id=55, switchable=no :: CRT-0: 1680x1050_60_0 @1680x1050 +0+0 deletion of dangling metamode 55 failed deleting dangling metamode 56: source=implicit, id=56, switchable=no :: CRT-0: 1600x1000 @1600x1000 +0+0 deletion of dangling metamode 56 failed deleting dangling metamode 57: source=implicit, id=57, switchable=no :: CRT-0: 1600x1000_60 @1600x1000 +0+0 deletion of dangling metamode 57 failed deleting dangling metamode 58: source=implicit, id=58, switchable=no :: CRT-0: 1440x900 @1440x900 +0+0 deletion of dangling metamode 58 failed deleting dangling metamode 59: source=implicit, id=59, switchable=no :: CRT-0: 1440x900_75 @1440x900 +0+0 deletion of dangling metamode 59 failed deleting dangling metamode 60: source=implicit, id=60, switchable=no :: CRT-0: 1440x900_60 @1440x900 +0+0 deletion of dangling metamode 60 failed deleting dangling metamode 61: source=implicit, id=61, switchable=no :: CRT-0: 1280x1024 @1280x1024 +0+0 deletion of dangling metamode 61 failed deleting dangling metamode 62: source=implicit, id=62, switchable=no :: CRT-0: 1280x1024_75 @1280x1024 +0+0 deletion of dangling metamode 62 failed deleting dangling metamode 63: source=implicit, id=63, switchable=no :: CRT-0: 1280x1024_72 @1280x1024 +0+0 deletion of dangling metamode 63 failed deleting dangling metamode 64: source=implicit, id=64, switchable=no :: CRT-0: 1280x1024_60 @1280x1024 +0+0 deletion of dangling metamode 64 failed deleting dangling metamode 65: source=implicit, id=65, switchable=no :: CRT-0: 1152x864 @1152x864 +0+0 deletion of dangling metamode 65 failed deleting dangling metamode 66: source=implicit, id=66, switchable=no :: CRT-0: 1152x864_75 @1152x864 +0+0 deletion of dangling metamode 66 failed deleting dangling metamode 67: source=implicit, id=67, switchable=no :: CRT-0: 1024x768 @1024x768 +0+0 deletion of dangling metamode 67 failed deleting dangling metamode 68: source=implicit, id=68, switchable=no :: CRT-0: 1024x768_75 @1024x768 +0+0 deletion of dangling metamode 68 failed deleting dangling metamode 69: source=implicit, id=69, switchable=no :: CRT-0: 1024x768_70 @1024x768 +0+0 deletion of dangling metamode 69 failed deleting dangling metamode 70: source=implicit, id=70, switchable=no :: CRT-0: 1024x768_60 @1024x768 +0+0 deletion of dangling metamode 70 failed deleting dangling metamode 71: source=implicit, id=71, switchable=no :: CRT-0: 800x600 @800x600 +0+0 deletion of dangling metamode 71 failed deleting dangling metamode 72: source=implicit, id=72, switchable=no :: CRT-0: 800x600_75 @800x600 +0+0 deletion of dangling metamode 72 failed deleting dangling metamode 73: source=implicit, id=73, switchable=no :: CRT-0: 800x600_72 @800x600 +0+0 deletion of dangling metamode 73 failed deleting dangling metamode 74: source=implicit, id=74, switchable=no :: CRT-0: 800x600_60 @800x600 +0+0 deletion of dangling metamode 74 failed deleting dangling metamode 75: source=implicit, id=75, switchable=no :: CRT-0: 640x480 @640x480 +0+0 deletion of dangling metamode 75 failed deleting dangling metamode 76: source=implicit, id=76, switchable=no :: CRT-0: 640x480_75 @640x480 +0+0 deletion of dangling metamode 76 failed deleting dangling metamode 77: source=implicit, id=77, switchable=no :: CRT-0: 640x480_72 @640x480 +0+0 deletion of dangling metamode 77 failed deleting dangling metamode 78: source=implicit, id=78, switchable=no :: CRT-0: 640x480_60 @640x480 +0+0 deletion of dangling metamode 78 failed deleting dangling metamode 79: source=implicit, id=79, switchable=no :: CRT-0: nvidia-auto-select @1280x720 +0+0 deletion of dangling metamode 79 failed deleting dangling metamode 80: source=implicit, id=80, switchable=no :: CRT-0: nvidia-auto-select @1680x945 +0+0 deletion of dangling metamode 80 failed deleting dangling metamode 81: source=RandR, id=81, switchable=no :: CRT-0: 1680x1050_75 @1680x1050 +0+0, DFP-3: 1680x1050_60_0 @1680x1050 +1680+0 deletion of dangling metamode 81 failed deleting dangling metamode 83: source=RandR, id=83, switchable=no :: CRT-0: 1680x1050_75 @1680x1050 +0+0, DFP-3: 1680x1050_60_0 @1680x1050 +1680+0 deletion of dangling metamode 83 failed associating displays: DFP-0 src> disper --displays=CRT-0,DFP-3 -ev Enabled plugins: using specified displays: CRT-0, DFP-3 resolutions of CRT-0: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 resolutions of DFP-3: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 preferred resolutions for displays: CRT-0: 1680x1050, DFP-3: 1680x1050 adding metamode: :: CRT-0: 1680x1050 +0+0, DFP-3: 1680x1050 +1680+0 setting xinerama info order: CRT-0, DFP-3 deleting dangling metamode 50: source=xconfig, id=50, switchable=yes :: DFP-0: nvidia-auto-select @1440x900 +0+0, CRT-0: 1440x900 @1440x900 +0+0 deletion of dangling metamode 50 failed deleting dangling metamode 82: source=nv-control, id=82, switchable=no :: DFP-0: 1440x900 @1440x900 +0+0 associating displays: CRT-0, DFP-3 src> disper -lv Enabled plugins: resolutions of DFP-0: 1440x900 display DFP-0: Lenovo Group Limited resolutions: 1440x900 resolutions of CRT-0: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 display CRT-0: Lenovo Group Limited L2250p Wide resolutions: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 resolutions of DFP-3: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050 display DFP-3: Lenovo Group Limited L2250p Wide resolutions: 640x480, 800x600, 1024x768, 1152x864, 1440x900, 1280x1024, 1600x1000, 1680x1050