It has. https://bugzilla.gnome.org/show_bug.cgi?id=663690
** Bug watch added: GNOME Bug Tracker #663690 https://bugzilla.gnome.org/show_bug.cgi?id=663690 ** Package changed: xorg (Ubuntu) => gnome-shell (Ubuntu) ** Changed in: gnome-shell (Ubuntu) Status: New => Confirmed ** Summary changed: - With monitor B of a higher resolution than monitor A, "xrandr --output A --auto --output B --above A" results in 'dead space' on monitor B + With multiple monitors arranged vertically to form a single screen, gnome-shell creates "drag barriers" and erratic resizing behavior in the top monitor. ** Description changed: Steps: xrandr --output LVDS-0 --auto --output DP-3 --above LVDS-0 Result: xrandr -q Screen 0: minimum 8 x 8, current 2560 x 2520, maximum 16384 x 16384 VGA-0 disconnected (normal left inverted right x axis y axis) LVDS-0 connected 1920x1080+0+1440 (normal left inverted right x axis y axis) 344mm x 193mm - 1920x1080 60.0*+ 50.0 + 1920x1080 60.0*+ 50.0 DP-0 disconnected (normal left inverted right x axis y axis) DP-1 disconnected (normal left inverted right x axis y axis) DP-2 disconnected (normal left inverted right x axis y axis) DP-3 connected 2560x1440+0+0 (normal left inverted right x axis y axis) 597mm x 336mm - 2560x1440 60.0*+ - 1920x1440 60.0 - 1920x1200 60.0 - 1920x1080 119.9 60.0 60.0 59.9 50.0 60.0 30.0 30.0 - 1680x1050 60.0 - 1600x1200 60.0 - 1600x900 60.0 - 1280x1024 60.0 - 1280x800 59.8 - 1280x720 119.9 60.0 59.9 - 1024x768 60.0 - 800x600 60.3 - 720x480 119.9 59.9 30.0 - 640x480 59.9 + 2560x1440 60.0*+ + 1920x1440 60.0 + 1920x1200 60.0 + 1920x1080 119.9 60.0 60.0 59.9 50.0 60.0 30.0 30.0 + 1680x1050 60.0 + 1600x1200 60.0 + 1600x900 60.0 + 1280x1024 60.0 + 1280x800 59.8 + 1280x720 119.9 60.0 59.9 + 1024x768 60.0 + 800x600 60.3 + 720x480 119.9 59.9 30.0 + 640x480 59.9 DP-4 disconnected (normal left inverted right x axis y axis) DP-5 disconnected (normal left inverted right x axis y axis) Problem: - In this configuration, DP-3 is indeed "above" LDVS-0 in screen space. The wallpaper is rendered appropriately and the mouse can touch all the visible parts of the screen. However, it is impossible to drag windows into the left half of DP-3. I will refer to the space where the windows can't go as "dead space." It's as if an invisible barrier prevents windows from entering the dead space when dragged. Note that this may be a window manager problem. I am on Ubuntu-GNOME 13.04. + In this configuration, DP-3 is indeed "above" LDVS-0 in screen space. The wallpaper is rendered appropriately and the mouse can touch all the visible parts of the screen. However, it is impossible to drag windows into the left half of DP-3. It's as if an invisible barrier prevents windows from entering the space. Note that this may be a window manager problem. I am on Ubuntu-GNOME 13.04. ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: xorg 1:7.7+1ubuntu4 ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11 Uname: Linux 3.8.0-33-generic x86_64 NonfreeKernelModules: nvidia .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: '/proc/driver/nvidia/gpus/0' .proc.driver.nvidia.registry: Binary: "" .proc.driver.nvidia.version: - NVRM version: NVIDIA UNIX x86_64 Kernel Module 304.88 Wed Mar 27 14:26:46 PDT 2013 - GCC version: gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-1ubuntu1) + NVRM version: NVIDIA UNIX x86_64 Kernel Module 304.88 Wed Mar 27 14:26:46 PDT 2013 + GCC version: gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-1ubuntu1) ApportVersion: 2.9.2-0ubuntu8.5 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None Date: Wed Nov 13 14:39:50 2013 DistUpgraded: Fresh install DistroCodename: raring DistroVariant: ubuntu DkmsStatus: - nvidia-304, 304.88, 3.8.0-19-generic, x86_64: installed - nvidia-304, 304.88, 3.8.0-32-generic, x86_64: installed - nvidia-304, 304.88, 3.8.0-33-generic, x86_64: installed + nvidia-304, 304.88, 3.8.0-19-generic, x86_64: installed + nvidia-304, 304.88, 3.8.0-32-generic, x86_64: installed + nvidia-304, 304.88, 3.8.0-33-generic, x86_64: installed ExtraDebuggingInterest: Yes GraphicsCard: - NVIDIA Corporation GK107GLM [Quadro K2000M] [10de:0ffb] (rev a1) (prog-if 00 [VGA controller]) - Subsystem: Lenovo Device [17aa:21f6] + NVIDIA Corporation GK107GLM [Quadro K2000M] [10de:0ffb] (rev a1) (prog-if 00 [VGA controller]) + Subsystem: Lenovo Device [17aa:21f6] InstallationDate: Installed on 2013-05-10 (187 days ago) InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: LENOVO 2436CTO MarkForUpload: True ProcEnviron: - TERM=xterm - PATH=(custom, no user) - XDG_RUNTIME_DIR=<set> - LANG=en_US.UTF-8 - SHELL=/bin/bash + TERM=xterm + PATH=(custom, no user) + XDG_RUNTIME_DIR=<set> + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-33-generic root=UUID=3d01dd4a-cca3-4e45-b38a-ae3477f3b472 ro quiet splash nox2apic usbcore.usbfs_memory_mb=1000 SourcePackage: xorg Symptom: display UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/09/2012 dmi.bios.vendor: LENOVO dmi.bios.version: G5ET33WW (1.11 ) dmi.board.asset.tag: Not Available dmi.board.name: 2436CTO dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvrG5ET33WW(1.11):bd08/09/2012:svnLENOVO:pn2436CTO:pvrThinkPadW530:rvnLENOVO:rn2436CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 2436CTO dmi.product.version: ThinkPad W530 dmi.sys.vendor: LENOVO version.compiz: compiz N/A version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.43-0ubuntu1.1 version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.7-1ubuntu2 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.7-1ubuntu2 version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4.3 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1 xserver.bootTime: Wed Nov 13 11:00:22 2013 xserver.configfile: /etc/X11/xorg.conf xserver.errors: - + xserver.logfile: /var/log/Xorg.0.log xserver.outputs: - + xserver.version: 2:1.13.3-0ubuntu6.2 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1251000 Title: With multiple monitors arranged vertically to form a single screen, gnome-shell creates "drag barriers" and erratic resizing behavior in the top monitor. 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