dual nVidia graphics cards, proprietary driver, two monitors per graphics card, two monitors per xinerama screen. Primary output is 1367: DVI-I-2 Screen output DVI-I-0 is not connected primary->output 731 Screen output DVI-I-1 of xcb screen 0: width..........: 518.000000 height.........: 324.000000 geometry.......: 1920 x 1200 +0 +0 virtual width..: 1224.000000 virtual height.: 428.000000 virtual geom...: 4480 x 1600 avail virt geom: 1920 x 1200 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 50 root ID........: 560 window manager.: FVWM primaryScreen 0x0 primary 0xb71a20 m_primaryScreen 1 xcbScreenNumber 0 primary->output 731 outputs[i] 732 primary->output 731 Screen output DP-0 is not connected primary->output 731 Screen output DP-1 is not connected primary->output 731 Screen output DP-2 is not connected primary->output 731 Screen output DP-3 of xcb screen 0: width..........: 641.000000 height.........: 401.000000 geometry.......: 2560 x 1600 +1920 +0 virtual width..: 1224.000000 virtual height.: 428.000000 virtual geom...: 4480 x 1600 avail virt geom: 2560 x 1600 +1920 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 50 root ID........: 560 window manager.: FVWM primaryScreen 0x0 primary 0xb71a20 m_primaryScreen 1 xcbScreenNumber 0 primary->output 731 outputs[i] 748 primary->output 731 Screen output DVI-I-0 is not connected primary->output 1367 Screen output DVI-I-1 is not connected primary->output 1367 Screen output DVI-I-2 of xcb screen 1: width..........: 367.000000 height.........: 275.000000 geometry.......: 1600 x 1200 +0 +0 virtual width..: 821.000000 virtual height.: 311.000000 virtual geom...: 3200 x 1200 avail virt geom: 1600 x 1200 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 50 root ID........: 562 window manager.: FVWM primaryScreen 0x0 primary 0xb71a20 m_primaryScreen 1 xcbScreenNumber 1 primary->output 1367 outputs[i] 1369 primary->output 1367 Screen output DVI-I-3 of xcb screen 1: width..........: 367.000000 height.........: 275.000000 geometry.......: 1600 x 1200 +1600 +0 virtual width..: 821.000000 virtual height.: 311.000000 virtual geom...: 3200 x 1200 avail virt geom: 1600 x 1200 +1600 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 50 root ID........: 562 window manager.: FVWM primaryScreen 0x0 primary 0xb71a20 m_primaryScreen 1 xcbScreenNumber 1 primary->output 1367 outputs[i] 1370 primary->output 1367 ---------------------------------------- Xephyr with three outputs, Screen output default of xcb screen 0: width..........: 271.000000 height.........: 203.000000 geometry.......: 800 x 600 +0 +0 virtual width..: 271.000000 virtual height.: 203.000000 virtual geom...: 800 x 600 avail virt geom: 800 x 600 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 0 root ID........: 3ad primaryScreen 0x0 primary 0x1a2f900 m_primaryScreen 1 xcbScreenNumber 0 primary->output 0 outputs[i] 950 primary->output 0 Screen output default of xcb screen 1: width..........: 271.000000 height.........: 203.000000 geometry.......: 800 x 600 +0 +0 virtual width..: 271.000000 virtual height.: 203.000000 virtual geom...: 800 x 600 avail virt geom: 800 x 600 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 0 root ID........: 3af primaryScreen 0x0 primary 0x1a2f900 m_primaryScreen 1 xcbScreenNumber 1 primary->output 0 outputs[i] 967 primary->output 0 Primary output is 0: default Screen output default of xcb screen 2: width..........: 271.000000 height.........: 203.000000 geometry.......: 800 x 600 +0 +0 virtual width..: 271.000000 virtual height.: 203.000000 virtual geom...: 800 x 600 avail virt geom: 800 x 600 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 0 root ID........: 3b1 primaryScreen 0x7f3730004ef0 primary 0x1a2f900 m_primaryScreen 1 xcbScreenNumber 2 primary->output 0 outputs[i] 969 primary->output 0 ---------------------------------------- ATI garphics card Screen output DisplayPort-0 is not connected outputs[i] 85 primary->output 0 Screen output DVI-0 of xcb screen 0: width..........: 338.000000 height.........: 270.000000 geometry.......: 1280 x 1024 +0 +0 virtual width..: 338.000000 virtual height.: 270.000000 virtual geom...: 1280 x 1024 avail virt geom: 1280 x 1024 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 60 root ID........: 15b window manager.: FVWM primaryScreen 0x0 primary 0xb62020 m_primaryScreen 0 xcbScreenNumber 0 primary->output 0 outputs[i] 86 primary->output 0 Primary output is 0: DVI-0 Screen output DVI-1 of xcb screen 0: width..........: 338.000000 height.........: 270.000000 geometry.......: 1280 x 1024 +0 +0 virtual width..: 338.000000 virtual height.: 270.000000 virtual geom...: 1280 x 1024 avail virt geom: 1280 x 1024 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 60 root ID........: 15b window manager.: FVWM primaryScreen 0x7f7f04004520 primary 0xb62020 m_primaryScreen 0 xcbScreenNumber 0 primary->output 0 outputs[i] 87 primary->output 0 ---------------------------------------- older laptop ATI card XCB XLIB dpy 0x17260d0 m_primaryScreen 0 Using threaded event reader with xcb_poll_for_queued_event Screen output VGA-0 is not connected outputs[i] 81 primary->output 0 Screen output LVDS of xcb screen 0: width..........: 331.000000 height.........: 207.000000 geometry.......: 1280 x 800 +0 +0 virtual width..: 338.000000 virtual height.: 211.000000 virtual geom...: 1280 x 800 avail virt geom: 1280 x 800 +0 +0 depth..........: 24 white pixel....: ffffff black pixel....: 0 refresh rate...: 60 root ID........: 14d window manager.: FVWM primaryScreen 0x0 primary 0x1739900 m_primaryScreen 0 xcbScreenNumber 0 primary->output 0 outputs[i] 82 primary->output 0 Primary output is 0: LVDS