This bug was fixed in the package xorg-server - 2:1.13.0-0ubuntu7
---------------
xorg-server (2:1.13.0-0ubuntu7) raring; urgency=low
[ Maarten Lankhorst ]
* Add 233-xf86events-valgrind.patch to fix a xserver corruption
when acpid is stopped before Xorg is.
(LP: #1070481)
* Add 235-composite-tracking.patch to fix exa corruption.
(LP: #1010794)
[ Bryce Harrington ]
* Add 236-use-fbdev-for-poulsbo-oaktrail-medfield.patch: Never use Intel
driver on Poulsbo/Oaktrail/Medfield. Thanks to Matthias Klumpp.
(LP: #1069031)
* Add 237-dix-set-the-device-transformation-matrix.patch: Fix pointer
jumping with absolute pointing device. Initializes device
transformation matrix to an identity matrix. Thanks to a7x.
(LP: #1041063)
[ Tim Lunn ]
* 500_pointer_barrier_thresholds.diff: Update to fix gaps above
barriers at edge of screen
(LP: #1073724)
-- Bryce Harrington <[email protected]> Fri, 16 Nov 2012 11:37:26 -0800
** Changed in: xorg-server (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1073724
Title:
Pointer barriers have gaps along the edge of the screen
Status in “xorg-server” package in Ubuntu:
Fix Released
Bug description:
[Impact]
On a multiple monitor setup there is a small gap above the pointer barriers,
that allows the mouse to slide through past the barrier, via the edge of the
screen.
This a particular issue on gnome-shell, since the pointer barriers are
used to trap the pointer inside the panel/tray when activating hot-
corners. Currently it is extremely hard to land on these hot-corners
due to this bug.
[TESTCASE]
1. run gnome-shell with atleast 2 montiors in horizontal configuration, 2nd
monitor to the right of the primary
2. move mouse towards top-right corner of primary monitor.
Pointer should get trapped in the corner of the primary monitor,
however it will actually just side over the top of the barrier.
With fix in the attached branch, the pointer is correctly trapped.
[Regression Pontential]
Should be minimal, I have tested under gnome-shell and unity and all
hot-corners/sticky edges appear to be working correctly.
=== Original Bug Report ==
I have a multiple monitor setup and the pointer barriers seem to have a small
(~1px) gap at the edge of the screen. For example in gnome-shell, the panel has
barriers on either end, If I move the mouse towards the hot corner (top-right
corner of screen) it inevitably just slips over the top of the barrier and onto
the next monitor.
This bug introduced by the '500_pointer_barrier_thresholds.diff'
patch. I have rebuilt the xserver without this patch, and the barriers
behave as expected blocking/trapping the mouser pointer in the top
corner of the screen.
ProblemType: BugDistroRelease: Ubuntu 12.10
Package: xserver-xorg-core 2:1.13.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-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 310.14 Tue Oct 9 11:52:41
PDT 2012
GCC version: gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1)
.tmp.unity.support.test.0:
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell,dbus]
CompositorRunning: None
Date: Thu Nov 1 08:04:55 2012
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
NVIDIA Corporation G94 [GeForce 9600 GT] [10de:0622] (rev a1) (prog-if 00
[VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:827c]
InstallationDate: Installed on 2012-09-23 (38 days ago)
InstallationMedia: Ubuntu GNOME Remix 12.10 "Quantal Quetzal" - Alpha
amd64(20120922)
MachineType: Gigabyte Technology Co., Ltd. P67A-UD3R-B3
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-18-generic
root=UUID=dc987631-dd10-4695-8806-338e780920e2 ro quiet splashSourcePackage:
xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/22/2011
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F5
dmi.board.name: P67A-UD3R-B3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF5:bd07/22/2011:svnGigabyteTechnologyCo.,Ltd.:pnP67A-UD3R-B3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP67A-UD3R-B3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: P67A-UD3R-B3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.8.4+bzr3407-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.39-0ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0-0ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.2-0ubuntu3
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