compiz team mailing list archive

[Bryce Harrington <687738@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  Binary package hint: compiz
  
  This bug is hard to describe and to record in gtk-recordmydesktop.
  
  The issue seems to be a vsync one, as sometimes, when switching
  workspace, you get some kind of "magnet" effect, with distortion for
  less than half a second. We can notice as well some X damage issue not
  repainted when scrolling fast on a webpage (so part of the page is
  repeated).
  
- Seems that enabling the force X to sync in the workaround and setting the sync to vblank in nvidia-settings reduces the issue (not completely fixing it so).
+ Seems that enabling the force X to sync is the workaround and setting the sync to vblank in nvidia-settings reduces the issue (not completely fixing it so).
  With unity using that by default, we should take that into account.
  
  Plan of action:
  - see if we can enable sync to vblank by default on nvidia-settings
  - in the detection plugin, enable the compiz workaround if the driver is the proprieraty nvidia driver.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: compiz 1:0.9.2.1+glibmainloop2-0ubuntu4
  ProcVersionSignature: Ubuntu 2.6.37-8.21-generic 2.6.37-rc4
  Uname: Linux 2.6.37-8-generic i686
  NonfreeKernelModules: nvidia
  Architecture: i386
  CompizPlugins: No value set for `/apps/compiz/general/allscreens/options/active_plugins'
  Date: Thu Dec  9 10:31:55 2010
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100918)
  MachineType: Dell Inc. MP061
  PackageArchitecture: all
  PciDisplay: 01:00.0 VGA compatible controller [0300]: nVidia Corporation G71 [GeForce Go 7900 GS] [10de:0298] (rev a1) (prog-if 00 [VGA controller])
  ProcEnviron:
-  PATH=(custom, user)
-  LANG=fr_FR.UTF-8
-  SHELL=/bin/bash
+  PATH=(custom, user)
+  LANG=fr_FR.UTF-8
+  SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.37-8-generic root=UUID=4b292599-da9a-4cb5-908f-a911be09c61a ro quiet splash nomodeset video=uvesafb:mode_option=1280x1024-24,mtrr=3,scroll=ywrap
  RelatedPackageVersions:
-  xserver-xorg 1:7.5+6ubuntu3b1
-  libgl1-mesa-glx 7.9+repack-1ubuntu3
-  libdrm2 2.4.22-2ubuntu1
-  xserver-xorg-video-intel 2:2.13.901-2ubuntu1
-  xserver-xorg-video-ati 1:6.13.2-1ubuntu2
+  xserver-xorg 1:7.5+6ubuntu3b1
+  libgl1-mesa-glx 7.9+repack-1ubuntu3
+  libdrm2 2.4.22-2ubuntu1
+  xserver-xorg-video-intel 2:2.13.901-2ubuntu1
+  xserver-xorg-video-ati 1:6.13.2-1ubuntu2
  SourcePackage: compiz
  dmi.bios.date: 04/02/2007
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0YD479
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd04/02/2007:svnDellInc.:pnMP061:pvr:rvnDellInc.:rn0YD479:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: MP061
  dmi.sys.vendor: Dell Inc.
  system: distro = Ubuntu, architecture = i686, kernel = 2.6.37-8-generic

** Changed in: nvidia-settings (Ubuntu)
     Assignee: (unassigned) => Alberto Milone (albertomilone)

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https://bugs.launchpad.net/bugs/687738

Title:
  nvidia driver seems to have sync to vblank issue