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[Achim <achim.frase@xxxxxxxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

Most noticeable is, that my mouse hangs every 30 sec.

How I reproduce this problem and make it visible:
1. start glxgears
2. move the mouse in circles
3. mouse should hang every 30 sec. you should also see a drop in fps in glxgears

This is the terminal output:
301 frames in 5.0 seconds = 60.153 FPS
301 frames in 5.0 seconds = 60.151 FPS short mouse hanger
295 frames in 5.0 seconds = 58.951 FPS lower fps
301 frames in 5.0 seconds = 60.153 FPS
301 frames in 5.0 seconds = 60.151 FPS
301 frames in 5.0 seconds = 60.151 FPS
301 frames in 5.0 seconds = 60.149 FPS
301 frames in 5.0 seconds = 60.152 FPS short mouse hanger
293 frames in 5.0 seconds = 58.553 FPS lower fps
301 frames in 5.0 seconds = 60.150 FPS
301 frames in 5.0 seconds = 60.150 FPS
301 frames in 5.0 seconds = 60.154 FPS
301 frames in 5.0 seconds = 60.151 FPS
301 frames in 5.0 seconds = 60.151 FPS short mouse hanger
294 frames in 5.0 seconds = 58.752 FPS lower fps

If I do not move the mouse I don't have any hangs.
I am not 100% sure if this problem is related to xorg but I have tried a newer kernel (2.6.39-daily) and several older versions of xserver-xorg-inut-evdev and the problem was still present.

I think some updates from last week (4–7 Apr 2011) introduced this
regression.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xorg 1:7.6+4ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,move,snap,compiztoolbox,regex,place,grid,resize,gnomecompat,session,imgpng,vpswitch,mousepoll,animation,workarounds,wall,unitymtgrabhandles,expo,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
DRM.card0.DP.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
DRM.card0.HDMI.A.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1920x1080 1920x1080 1680x1050 1400x1050 1600x900 1280x1024 1280x1024 1440x900 1280x960 1280x800 1152x864 1280x720 1280x720 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 720x576 720x480 640x480 640x480 640x480 640x480 720x400
 edid-base64: AP///////wA4o3lnAQEBATUTAQOAMx146vgFpFVNnSUSUFS/74CBAIFAgYCBwJUAkECzAKnAAjqAGHE4LUBYLEUA/h8RAAAeAAAA/QA4TB9TEQAKICAgICAgAAAA/ABFQTIzMVdNaQogICAgAAAA/wAwMTEwNTY2NE5CCiAgAe4CAQQAAR0AclHQHiBuKFUA/h8RAAAejArQiiDgLRAQPpYA/h8RAAAYjArQkCBAMSAMQFUA/h8RAAAYAR0AvFLQHiC4KFVA/h8RAAAeAjqA0HI4LUAQLEWA/h8RAAAeAR2AGHEcFiBYLCUA/h8RAACeAAAAAAAAAAAAAAAAAAAAFQ==
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes: 
 edid-base64:
Date: Tue Apr 12 11:08:18 2011
DistUpgraded: Log time: 2011-03-18 14:25:17.020762
DistroCodename: natty
DistroVariant: ubuntu
GraphicsCard:
 Intel Corporation 4 Series Chipset Integrated Graphics Controller [8086:2e22] (rev 03) (prog-if 00 [VGA controller])
   Subsystem: Micro-Star International Co., Ltd. Device [1462:7521]
   Subsystem: Micro-Star International Co., Ltd. Device [1462:7521]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110318)
MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7521
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=9bf80bd3-a330-4d0b-b199-0467bb403d8b ro quiet splash vt.handoff=7
Renderer: Unknown
SourcePackage: xorg
UpgradeStatus: Upgraded to natty on 2011-04-08 (3 days ago)
dmi.bios.date: 03/30/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V4.6
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: G45M Digital (MS-7521)
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.board.version: 2.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
dmi.chassis.version: 2.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV4.6:bd03/30/2010:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7521:pvr2.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnG45MDigital(MS-7521):rvr2.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr2.0:
dmi.product.name: MS-7521
dmi.product.version: 2.0
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
version.compiz: compiz 1:0.9.4+bzr20110411-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu12
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu1
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug compiz-0.9 natty regression running-unity ubuntu

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https://bugs.launchpad.net/bugs/758593

Title:
  input (mouse) hangs every 30 sec