"xrandr --prop" output with both screens connected in large-desktop- over-both-screens mode (no mirroring):
Screen 0: minimum 320 x 200, current 3286 x 1080, maximum 32767 x 32767 LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm EDID: 00ffffffffffff0030e47a0300000000 00160103801c10780adce5975a559227 1d505400000001010101010101010101 010101010101241d56d4500016303020 2500159c1000001b0000000000000000 00000000000000000000000000fe004c 4720446973706c61790a2020000000fe 004c503132355748322d534c54310025 BACKLIGHT: 1054 (0x0000041e) range: (0,1054) Backlight: 1054 (0x0000041e) range: (0,1054) scaling mode: Full aspect supported: None Full Center Full aspect 1366x768 59.8*+ 1360x768 59.8 60.0 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 connected 1920x1080+1366+0 (normal left inverted right x axis y axis) 510mm x 287mm EDID: 00ffffffffffff0015c3692001010101 2d14010380331d78eaee95a3544c9926 0f5054a1080081808140b30081c00101 010101010101023a801871382d40582c 4500fe1f1100001e000000ff00353732 32393131300a20202020000000fc0045 5632333333570a2020202020000000fd 003b3d1f440f000a2020202020200153 02031b41468102031112042309070783 01000067030c001300881e8c0ad08a20 e02d10103e96000403000000188c0ad0 8a20e02d10103e96001009000000188c 0ad090204031200c4055000403000000 188c0ad090204031200c405500100900 000018011d007251d01e206e28550010 090000001e000000000000000000005c Broadcast RGB: Automatic supported: Automatic Full Limited 16:2 audio: auto supported: force-dvi off auto on 1920x1080 60.0*+ 1680x1050 59.9 1280x1024 60.0 1280x960 60.0 1280x720 60.0 1024x768 60.0 800x600 60.3 720x576 50.0 720x480 59.9 640x480 60.0 59.9 720x400 70.1 DP1 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Automatic supported: Automatic Full Limited 16:2 audio: auto supported: force-dvi off auto on HDMI2 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Automatic supported: Automatic Full Limited 16:2 audio: auto supported: force-dvi off auto on DP2 disconnected (normal left inverted right x axis y axis) Broadcast RGB: Automatic supported: Automatic Full Limited 16:2 audio: auto supported: force-dvi off auto on -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1167231 Title: Xorg crashed with SIGABRT in OsAbort() - Cannot mirror screen in good resolution To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1167231/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs