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Message #24219
[Bug 882024] Re: Lag While Dragging Windows Around
** Description changed:
Dragging windows (and in general, everything that involves dragging)
seems to lag behind relatively to cursor position. This issue is
exacerbated by screen size: bigger resolutions make this issue more
noticeable.
I'm experiencing this behavior both in Mutter (gnome-shell) and Compiz
(with or without Unity) and it happens regardless of driver choice
(either the OSS radeon driver or the closed source fglrx).
It didn't happen on Ubuntu 10.04.
I confirm that this issue happens also on Fedora 15 with all updates
installed (at least with gnome-shell since Unity is not available
there). So this isn't an Ubuntu-specific bug. On Fedora 16 beta they
managed to reduce the lag but I don't honestly know whether they patched
the window manager or something else. I didn't test compiz there so I
don't know whether it's a compiz-specific bug.
I also tried a newer snapshot of xf86-video-ati (from freedesktop's git
repository) driver without success.
+ UPDATE: it seems to be a generalized problem since I experience it even
+ in global menus. It seems that cursor position updates (sent to
+ applications) "lag behind" the position of the cursor shown on screen.
+ (Yeah, I know, terrible description but I can't find a better way to
+ describe this situation).
+
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: unity 4.22.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
.tmp.unity.support.test.0:
-
+
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,imgpng,place,unitymtgrabhandles,resize,snap,session,vpswitch,move,grid,gnomecompat,regex,compiztoolbox,mousepoll,animation,workarounds,wall,expo,fade,ezoom,scale,unityshell]
CompositorRunning: compiz
Date: Wed Oct 26 14:59:38 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
GraphicsCard:
- ATI Technologies Inc Madison [AMD Radeon HD 5000M Series] [1002:68c1] (prog-if 00 [VGA controller])
- Subsystem: Hewlett-Packard Company Device [103c:1448]
+ ATI Technologies Inc Madison [AMD Radeon HD 5000M Series] [1002:68c1] (prog-if 00 [VGA controller])
+ Subsystem: Hewlett-Packard Company Device [103c:1448]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcEnviron:
- PATH=(custom, no user)
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ PATH=(custom, no user)
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic root=UUID=e4612352-2c94-4bbb-8b80-a6db8c91ad4e ro quiet splash vt.handoff=7
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/14/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.13
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1448
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 65.2E
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.13:bd09/14/2010:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr059B110000243010010020100:rvnHewlett-Packard:rn1448:rvr65.2E:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 059B110000243010010020100
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu5
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1
--
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packagers, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/882024
Title:
Lag While Dragging Windows Around
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https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/882024/+subscriptions
References