[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-06-09 Thread Daniel van Vugt
As always,  if a bug reoccurs, please open a new one. It's easier to
track problems and get them fixed that way.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-06-08 Thread Benjamin Xiao
Yes this bug should not be marked as fixed. The issue still occurs in
the final version of 13.04 with the latest Nvidia 319.23 drivers.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-05-08 Thread GonzO
Wait: why is this marked "fix released"?  Problem exists on a fresh
install of 13.04.

I don't so much care about compiz not having the right refresh rate
OOTB, but changing it and having that setting forgotten after a reboot
is *maddening*.  It shouldn't take to much to make sure two settings
(detect refresh rate, manual refresh rate entry) don't erase themselves
every boot, and I'd consider the problem fixed if this were the case.

But having to resort to a kluudge (bash script with sleep 5 in it?
Really?) isn't really... optimal.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-04-28 Thread gutigen
@Piotr Stefanczyk

Try this:

#!/bin/bash
sleep 5 &&
dconf write /org/compiz/profiles/unity/plugins/composite/refresh-rate "60"

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-04-28 Thread Piotr Stefanczyk
Same problem here. Changing refresh rate by Michael's script doesn't
work. I have to change this value by CCSM every login on to Unity.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-04-28 Thread Gonçalo Marrafa
I can confirm comment #82. Fresh install and 313 drivers.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-04-26 Thread gutigen
Yep, bug still occurs in 13.04 (fully updated, 310.44 drivers).

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-04-26 Thread Lem
This still happens with a fresh install of Ubuntu 13.04 (final release),
using nvidia driver 313. Correcting the refresh rate (uncheck
autodetect, set to 60) in CCSM fixes it.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-04-12 Thread Alberto Milone
** Changed in: nvidia-graphics-drivers (Ubuntu)
   Status: Confirmed => Invalid

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-03-27 Thread Paulo Narciso
I also have this issue with ubuntu 13.04 daily build (updated), refresh
rate value won't stick after reboot or logout.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-03-22 Thread Michael Becker
Workaround:

Create a Script with the desired Refresh Rate and mark it as excutable
and add it to startup Programs:

 #!/bin/bash
 sleep 5 &&
dconf write /org/compiz/profiles/UnityNeu/plugins/composite/refresh-rate "60"

Now i dont have to open CCSM after every restart and got my 60hz
refresh-rate.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-03-18 Thread Michael Becker
Also tried with 310 and 313 Nvidia-Drivers... Problem still remains. No
Problems in Xsession-Errors.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-03-16 Thread Michael Becker
I got the same Problem, CCSM doesnt remember the 60hz and i also have to turn 
off "Sync to VBlank" in Nvidia-Settings to get no stutter when running glxgears 
and compiz at the same time. 
I also run ccsm and set it every reboot cause the setting also reverts to 50hz.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2013-03-15 Thread gutigen
Same problem here with Ubuntu 13.04 daily build (updated everyday).
Compiz detects my refresh rate as 50hz instead of 75 which is set in
Nvidia Settings, I have to turn off autodetect and set refresh rate
manually in CCSM. However CCSM doesn't remember this setting after relog
or restart and I have to do that every single time I log to my machine.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-11-14 Thread Daniel van Vugt
** Changed in: nvidia-graphics-drivers (Ubuntu)
   Status: Fix Released => Confirmed

** No longer affects: nvidia-drivers-ubuntu

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-11-14 Thread artur bryczek
** Changed in: nvidia-drivers-ubuntu
   Status: Confirmed => Fix Released

** Changed in: nvidia-graphics-drivers (Ubuntu)
   Status: Triaged => Fix Released

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-09-28 Thread Launchpad Bug Tracker
** Branch linked: lp:~sil2100/compiz/ubuntu_0.9.8.4

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-09-27 Thread Daniel van Vugt
** Changed in: ubutter
   Status: Fix Committed => Fix Released

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-09-27 Thread Daniel van Vugt
** Changed in: compiz
   Status: Fix Committed => Fix Released

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-09-25 Thread Daniel van Vugt
Fix (workaround) committed into lp:compiz at revision 3391

** Changed in: compiz
   Status: In Progress => Fix Committed

** Changed in: ubutter
   Status: Triaged => Fix Committed

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-09-25 Thread Daniel van Vugt
With the introduction of swapbuffers rendering in compiz 0.9.8.*, the
fix/workaround for this bug that we did in compiz-core 0.9.7.0 no longer
works. We are now working on a new workaround for compiz 0.9.8.4.

** Changed in: compiz
   Importance: Undecided => High

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-09-25 Thread Daniel van Vugt
** Also affects: compiz
   Importance: Undecided
   Status: New

** Changed in: compiz
   Status: New => In Progress

** Changed in: compiz
 Assignee: (unassigned) => Sam Spilsbury (smspillaz)

** Changed in: compiz
Milestone: None => 0.9.8.4

** Branch linked: lp:~compiz-team/compiz/compiz.workaround_92599

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-08-16 Thread Daniel van Vugt
** Description changed:

  The problem here is that incorrect information from the NVIDIA driver is
  tricking some software like Compiz into using an incorrect refresh rate,
  which makes the whole desktop look choppy.
  
  The cause of this framerate problem is the DynamicTwinView feature of
  the NVIDIA graphics driver. It appears to be a documented "feature" of
  the driver, and has been for several years:
  
  --- Quote from the NVIDIA documentation ---
  Option "DynamicTwinView" "boolean"
  Enable or disable support for dynamically configuring TwinView on this X 
screen. When DynamicTwinView is enabled (the default), the refresh rate of a 
mode (reported through XF86VidMode or XRandR) does not correctly report the 
refresh rate, but instead is a unique number such that each MetaMode has a 
different value. This is to guarantee that MetaModes can be uniquely identified 
by XRandR.
  When DynamicTwinView is disabled, the refresh rate reported through XRandR 
will be accurate, but NV-CONTROL clients such as nvidia-settings will not be 
able to dynamically manipulate the X screen's MetaModes. TwinView can still be 
configured from the X config file when DynamicTwinView is disabled.
  Default: DynamicTwinView is enabled.
  --- End quote ---
  
[http://us.download.nvidia.com/XFree86/Linux-x86/280.13/README/xconfigoptions.html]
  
- WORKAROUND:
+ WORKAROUND (1)
  
  (in /etc/X11/xorg.conf)
  Section "Device"
    Option "DynamicTwinView" "False"
  EndSection
  
  If the workaround doesn't work for you and you still see
  stuttering/jerkiness then you probably have bug 888039, which is caused
  by other performance regressions in the Ubuntu 11.10 release.
+ 
+ WORKAROUND (2)
+ 
+ CCSM > Composite >
+   Detect Refresh Rate = OFF
+   Refresh Rate = 60 (or whatever is correct for you monitor)
  
  ORIGINAL DESCRIPTION:
  
  Binary package hint: xorg
  
  My Samsung SyncMaster 931BF does actually support 75 hz screen refresh
  rate, but xorg lets me choose only between 50 Hz and 54 Hz. Modification
  of /etc/X11/xorg.conf does not help. xorg worked ok on edgy.
  
  Here's some info:
  
  $ uname -a
  Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 i686 
GNU/Linux
  
  $ apt-cache show xorg | grep Version
  Version: 1:7.2-0ubuntu7
  
  The video card is Nvidia GeForce 7300GS.
  
  ProblemType: Bug
  Architecture: i386
  Date: Thu Mar 15 21:08:22 2007
  DistroRelease: Ubuntu 7.04
  Uname: Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 
i686 GNU/Linux

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-07-18 Thread Daniel van Vugt
** Also affects: ubutter
   Importance: Undecided
   Status: New

** Changed in: ubutter
   Status: New => Triaged

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-03-20 Thread greg
It should be possible to determine the actual display refresh rate on
TwinView setups through NVidia's configuration X extension. Has anyone
looked into this?

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-03-06 Thread Bryce Harrington
** Changed in: nvidia-graphics-drivers (Ubuntu)
   Status: Confirmed => Triaged

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

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-03-03 Thread Daniel van Vugt
** Changed in: compiz-core
   Status: Fix Committed => Fix Released

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-02-15 Thread Daniel van Vugt
** No longer affects: compiz

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-02-13 Thread Launchpad Bug Tracker
** Branch linked: lp:ubuntu/compiz

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-02-13 Thread Launchpad Bug Tracker
This bug was fixed in the package compiz - 1:0.9.7.0~bzr2995-0ubuntu1

---
compiz (1:0.9.7.0~bzr2995-0ubuntu1) precise; urgency=low

  [ Didier Roche ]
  * New upstream snapshot:
- Fix slow/stuttering display with fglrx (LP: #763005)
- Don't dynamically link to compiz_core
- Fix build failures with glib 2.30 (oneiric) (LP: #921406)
- Fix uninitialized variable warnings in valgrind (LP: #921451)
- Fixes up a bunch of boost::variant edge cases
- Fixes a race condition where the xig restart test would fail spuriously
- Incorrect (low/stuttering) refresh rate with NVIDIA driver (LP: #92599)
- Benchmark window slows the system and degrades graphics resources
  (LP: #254561)
- Windows that hide themselves when closed don't appear in any
  "this workspace" switcher  (LP: #684731)
- hang in g_spawn_sync and select()  (LP: #690239)
- word misspelled - bunding  (LP: #694169)
- sometimes, restored window placed too high.  (LP: #716521)
- Compiz clears the root window in the installer session  (LP: #720679)
- unity-window-decorator: When switching between windows, Orca does
  not speak the title of the focused window.  (LP: #724093)
- Cannot open a window that starts iconified  (LP: #732997)
- Minimize animation flickr when for maximized apps  (LP: #737125)
- Pixmap memory leak in gtk-window-decorator  (LP: #740258)
- Windows should not automatically be focused when opened if the
  focus is on another application  (LP: #748840)
- [sandybridge] Graphics tearing when playing video  (LP: #755841)
- Compiz's "Sync to Vblank" makes display stutter/slow with fglrx
  (LP: #763005)
- [regression] Moving windows lags behind the mouse by 1-2 seconds;
  appear to freeze when dragging.  (LP: #764330)
- Launcher - Spread should not affect the state of window  (LP: #764673)
- Clicking on a tweet/message link sometimes does not work  (LP: #790565)
- scrolling on top of a close animation switches viewports  (LP: #795065)
- unity video tearing when moving windows in oneiric with
  nvidia-current  (LP: #798868)
- dialogs really slow to be displayed since the compiz update (LP: #812711)
- It is possible to stack windows relative to windows that are
  destroyed  (LP: #837252
- Should keep list of windows last sent to server and last recv
  from server  (LP: #841727)
- compiz and X can disagree on the stacking order  (LP: #845719)
- A minimized window 'remains' behind on the desktop if
  /apps/compiz-1/plugins/unityshell/screen0/options/
  show_minimized_windows is set to true  (LP: #847967)
- maximized windows fail to update their input extents when
  undecorated  (LP: #853734)
- resizing bugs with xterm  (LP: #854725)
- crash on closing a window  (LP: #856015)
- Java application windows cut-off/truncated/not displayed properly
  (LP: #857201)
- compiz crashed with SIGSEGV in CompScreen::insertServerWindow()
  (LP: #857487)
- compiz crashed with SIGABRT in raise()  (LP: #857738)
- Applications which create multiple windows that are transients of
  each other can be given invalid stack positions  (LP: #858625)
- Windows move to 0,0 on compiz restarts  (LP: #858629)
- Crash when selecting Evolution in alt-tab  (LP: #859431)
- invisible window when a window is mapped but not yet drawn on by
  the process mapping it  (LP: #860286)
- race condition in configureXWindow causes unpredicatable window
  geometry changes  (LP: #860304)
- windows that are decorated while resizing can cause incorrect
  resize results  (LP: #860306)
- Moving a window while it is being resized by core caused
  unpredictable movement  (LP: #860309)
- Windows which are marked transients of docks should be treated
  like docks  (LP: #860397)
- can't maximize windows on second monitor and Qt windows displayed
  in wrong place  (LP: #861341)
  * debian/compiz-decorator, debian/compiz-gnome.install,
debian/compiz-plugins-default.install,
debian/compiz-plugins.install,
debian/compiz-gnome.gconf-defaults, debian/rules, debian/unity.ini:
- no more unity-window-decorator, switch back to gtk-window-decorator
- remove plugins that are not shipped anymore
- don't set in the default list plugins that are not shipped anymore
  * debian/libdecoration0.symbols:
- upated to latest
  * Removed cherry-picked patches:
- debian/patches/02_fix_autofocus_minimize_window.patch
- debian/patches/03_fix_configureframe.patch
- debian/patches/04_fix_insertServerWindow_crash.patch
- debian/patches/05_fix_reconfigureXWindow_crash.patch
- debian/patches/fix-748840.patch
- debian/patches/fix-832150.patch
- debian/patches/fix-863328.patch
- debian/patches/fix-864330.patch
- debian/patches/fix-864478.patch
- debian/patches/fix-865863.patch
- debian/patches/fix-86

[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-01-24 Thread Daniel van Vugt
** Changed in: compiz-core
Milestone: None => 0.9.7

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2012-01-18 Thread Daniel van Vugt
** Changed in: compiz-core
   Status: In Progress => Fix Committed

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-27 Thread Daniel van Vugt
I'm not sure about bug 888039 because it's hard to reproduce (for me)
and hard to distinguish between other similar performance bugs. I think
it's likely half the people subscribed to that bug were actually seeing
different bugs, some of which are now fixed.

Versions  vv9 and vv10 only changed the Move plugin to make moving
windows faster and more responsive (bug 764330). But it's excellent that
ppa:vanvugt/compiz now contains enough fixes that things have improved
considerably for you. I hope all the fixes in there get approved in time
to go into Ubuntu 12.04.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-27 Thread cicoandcico
Daniel, I don't know what are the changes between version vv9 and vv10
of compiz, but now things have improved considerably. Most notably, I
can't tell the difference with or without Twinview. I tested also with
several suspend/resume cycles and I saw no performance slowdowns.

Finally, also bug #888039 seems now fixed to me. Is it possible?

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-25 Thread Laryllan
Hi Daniel,

your PPAs resolved the problems for me.
Unity feels fast like hell.

p.s. I had to "unity --reset" and reboot afterwards.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-17 Thread Daniel van Vugt
"However, it seems to me that performance is still a little better when
*not* using twinview."

This is not surprising. Regretfully compiz does have to use the detected frame 
rate for some (very few) things even with the fix. And if the frame rate 
reported by the driver is still wrong (TwinView enabled) then some things might 
still be slightly worse performing than with TwinView disabled. The solution 
should simply be setting the correct refresh rate in CCSM (Composite Section):
Detect Refresh Rate = OFF
Refresh Rate = the correct refresh rate of your monitor

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-17 Thread cicoandcico
Daniel, I resetted unity (--reset) and tried both your compiz and unity 
packages (vv7 and vv5 respectively).
The combination of both solved my performance problems almost completely, 
putting unity on par with gnome-shell. 
However, it seems to me that performance is still a little  better when *not* 
using twinview.

I've used the PC for some days and I've not seen any issue. Just one
time, when looking at a youtube video, compiz froze and I had to switch
to another VT to restart lightdm. That was quite annoying given the lack
of a ctrl-alt-canc substitute in ubuntu.

Finally, bug #888039  is still here. Moving windows after hours of
usage, and some suspend/resume cycles, goes at a low framerate.
restarting X solves the problem.

Thank you for the moment, keep up with you good work!

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-13 Thread Daniel van Vugt
** Tags added: performance

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-09 Thread Daniel van Vugt
** Also affects: compiz-core
   Importance: Undecided
   Status: New

** Changed in: compiz-core
   Status: New => In Progress

** Changed in: compiz-core
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

** Changed in: compiz-core
   Importance: Undecided => Medium

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-08 Thread Daniel van Vugt
If the workaround at the top of this bug and my PPA do not solve the
problem, then it's likely you have a very different bug. And therefore I
would have no idea if nouveau would improve things for you. But it's
worth a try.

Please also confirm the version you're testing from ppa:vanvugt/compiz.
It should be "vv5" now, if you do a system update. Please try that
version before moving on to create/find a new bug.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-08 Thread Jeroen Hoek
Daniel:
I tried everything in your post. I guess my problem is not amongst the ones 
you've solved. :(

Should I switch to nouveau? The nvidia drivers worked quite well up
until Oneiric. Gnome-shell does work, but it has its own issues
(crashing randomly when switching workspaces).

(Windows dragged do not redraw during drag action unless you drag very
slowly.)

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-12-03 Thread Daniel van Vugt
Experimental fixes for this and related performance bugs are now available
for testing in ppa:vanvugt/compiz and ppa:vanvugt/unity. For the best
results I recommend trying both together. But testing them individually is
useful too.

IMPORTANT NOTES:

  * The fixes in ppa:vanvugt/compiz REQUIRE that "Sync To VBlank" is ENABLED
in CompizConfig Settings Manager (OpenGL section).
This is the default setting when Ubuntu 11.10 is installed.

  * When using ppa:vanvugt/compiz you should DISABLE the workaround
"Force full screen redraws (buffer swap) on repaint" in
CompizConfig Settings Manager (Workarounds section).
This is the default setting when Ubuntu 11.10 is installed.

  * I don't claim to have fixed all tearing. I only claim that the amount of
tearing in oneiric with the fix is no longer worse than in natty.

  * nouveau: If you are using the "nouveau" driver for NVIDIA chips you will
need to enable sync-to-vblank support in the driver options because
nouveau has it disabled by default. You can do this by editing
/etc/X11/xorg.conf and adding:
   Section "Device"
   Identifier "My Graphics"
   Option "GLXVBlank" "on"
   EndSection
Then log out and in again for it to take effect.

  * fglrx (Catalyst): The fglrx driver also disables sync-to-vBlank support
by default. To fix this:
  1. Open Catalyst Control Center.
  2. Go to 3D > More Settings.
  3. Set "Wait for vertical refresh" to
 "On, unless application specifies".

  * Please don't try using the Benchmark plugin in compiz-plugins-extra
because it is broken and misleading (bug 898548).

Please leave feedback in the relevant bug reports.

- Daniel

---

ppa:vanvugt/compiz | https://launchpad.net/~vanvugt/+archive/compiz
compiz (1:0.9.6+bzr20110929-0ubuntu6vv2) oneiric

  * Added proposed fix for inaccurate frame timing causing tearing and
stuttering.
(LP: #880707) (LP: #888039) (LP: #92599) (LP: #798868) (LP: #876575)

ppa:vanvugt/unity | https://launchpad.net/~vanvugt/+archive/unity
unity (4.24.0-0ubuntu2b1vv4) oneiric; urgency=low

  * Fix major performance regressions due to unnecessary UnityFBO binding
(LP: #861061) (LP: #880707)
UnityFBO was being bound even when not required. This caused major lag in
glPaintOutput, which slowed down all rendering. This was seen in reduced
framerates in apps (LP: #861061) and significantly worse screen tearing
with Unity 4.x compared to 3.x (LP: #880707).

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-28 Thread Daniel van Vugt
Please note: The fix for bug 880707 only works as a fix/workaround for
this bug when you have "Sync To VBlank" enabled in your compiz opengl
plugin settings.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-25 Thread Daniel van Vugt
** Branch linked: lp:~vanvugt/compiz-core/fix-880707.2

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-25 Thread Daniel van Vugt
Testing with a new NVIDIA card, I found the workaround of disabling
dynamic twin view didn't seem to work in Ubuntu 11.10.

Further investigation seems to suggest the workaround failing is in fact
regression bug 888039 which appears to be solved by the new compiz-
composite timing code I proposed in bug 880707.

** Package changed: linux-restricted-modules-2.6.20 (Ubuntu) => compiz
(Ubuntu)

** Changed in: compiz (Ubuntu)
   Status: Invalid => In Progress

** Changed in: compiz (Ubuntu)
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

** Also affects: compiz
   Importance: Undecided
   Status: New

** Changed in: compiz
   Status: New => In Progress

** Changed in: compiz
 Assignee: (unassigned) => Daniel van Vugt (vanvugt)

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-25 Thread Daniel van Vugt
** Description changed:

  The problem here is that incorrect information from the NVIDIA driver is
  tricking some software like Compiz into using an incorrect refresh rate,
  which makes the whole desktop look choppy.
  
  The cause of this framerate problem is the DynamicTwinView feature of
  the NVIDIA graphics driver. It appears to be a documented "feature" of
  the driver, and has been for several years:
  
  --- Quote from the NVIDIA documentation ---
  Option "DynamicTwinView" "boolean"
  Enable or disable support for dynamically configuring TwinView on this X 
screen. When DynamicTwinView is enabled (the default), the refresh rate of a 
mode (reported through XF86VidMode or XRandR) does not correctly report the 
refresh rate, but instead is a unique number such that each MetaMode has a 
different value. This is to guarantee that MetaModes can be uniquely identified 
by XRandR.
  When DynamicTwinView is disabled, the refresh rate reported through XRandR 
will be accurate, but NV-CONTROL clients such as nvidia-settings will not be 
able to dynamically manipulate the X screen's MetaModes. TwinView can still be 
configured from the X config file when DynamicTwinView is disabled.
  Default: DynamicTwinView is enabled.
  --- End quote ---
  
[http://us.download.nvidia.com/XFree86/Linux-x86/280.13/README/xconfigoptions.html]
  
  WORKAROUND:
  
  (in /etc/X11/xorg.conf)
  Section "Device"
    Option "DynamicTwinView" "False"
  EndSection
+ 
+ If the workaround doesn't work for you and you still see
+ stuttering/jerkiness then you probably have bug 888039, which is caused
+ by other performance regressions in the Ubuntu 11.10 release.
  
  ORIGINAL DESCRIPTION:
  
  Binary package hint: xorg
  
  My Samsung SyncMaster 931BF does actually support 75 hz screen refresh
  rate, but xorg lets me choose only between 50 Hz and 54 Hz. Modification
  of /etc/X11/xorg.conf does not help. xorg worked ok on edgy.
  
  Here's some info:
  
  $ uname -a
  Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 i686 
GNU/Linux
  
  $ apt-cache show xorg | grep Version
  Version: 1:7.2-0ubuntu7
  
  The video card is Nvidia GeForce 7300GS.
  
  ProblemType: Bug
  Architecture: i386
  Date: Thu Mar 15 21:08:22 2007
  DistroRelease: Ubuntu 7.04
  Uname: Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 
i686 GNU/Linux

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-21 Thread Daniel van Vugt
The compiz fix for bug 880707 is the change that I think might solve
(hide) this bug. I am getting a new Nvidia card today so I can retest
this.

However the current proposed fix for bug 880707 is much too complex and
risky to put in updates right now. It needs much more testing. Also, the
compiz administrator wants to completely rewrite it according to my
emails this morning. So much more work and debate yet.

In the best case, when we agree on the final compiz fix for bug 880707
(not the unity fix), then I'll put it in my PPA for all 11.10 users to
try.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-21 Thread Jeroen Hoek
Will any fixes for this bug be pushed in the regular 11.10 updates, or
will this remain an issue until 12.04?

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-09 Thread Daniel van Vugt
I suspect I *might* have just fixed (worked around) this bug in compiz:
https://code.launchpad.net/~vanvugt/compiz-core/fix-880707/+merge/81737

Not sure yet. Stay tuned.

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Re: [Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-07 Thread JC Boggio
@Daniel and Chauncellor:

I seem to have exactly the same problems mentionned by Chauncellor :

- problem is only on Compiz 0.9 (NVidia GeForce GTS240, driver ver. 280.13 on 
x86_64)
- Problem only affects moving windows around and dragging icons.
- The very first window movement (right after logging in) works perfectly
- I have disabled DynamicTwinView : no improvement
- I have disabled Detect refresh rate in xorf.conf : no improvement
- I have forced refresh rate to 60Hz (this is what my monitor says) : no 
improvement
- I have set "Force full screen redraws on repaint : no improvement

So I'm not sure whether this is tearing or stuttering or something else but if 
Chauncellor
creates a new bug report, I'd like to know the bug number so please mention it 
in this thread.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-06 Thread Daniel van Vugt
@Chauncellor...

If disabling DynamicTwinView didn't work for your nvidia system, try setting 
this in CCSM:
  Detect Refresh Rate = OFF
  Refresh Rate = the real refresh rate of your monitor, maybe even higher.
If that still doesn't work then you are not experiencing bug 92599. But read 
on...

In CCSM again, go to the Workarounds section and enable:
Force full screen redraws (buffer swap) on repaint.
If that solves your problems then you're probably experiencing tearing, not 
stuttering or a low frame rate, so you actually have bug 880707.

Finally, please confirm you are experiencing stuttering, and _not_
tearing. If you're unsure about the difference please log a new bug with
a video. Link to the new bug from one of the existing bugs like this one
so myself and other people see it. Don't worry too much about the title
of the bug. A nice clear video should allow us to accurately classify
the bug and not accidentally merge it with unrelated bugs.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-06 Thread Chauncellor
I have smooth animations on everything compiz-related EXCEPT window
movement, file dragging, and the like. It slowly degrades after a while
of usage. This has been an issue for me since Natty and the introduction
to compiz 0.9.*. This is both on my nvidia gtx 560 and Intel i915.

I've tried all the workarounds mentioned in this bug, bug 763005, and
bug 86106. There have been absolutely no improvements. Am I even in the
right bug report? Should I report a new one? What should I name it so it
does not get merged in with the current cluster of performance bugs?
Should I upload a video demonstrating the behavior? Is my behavior
unique amongst the problems documented across the three bugs?

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Title:
  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-04 Thread Daniel van Vugt
Yes, this bug is something we can work around in compiz, as you found by
changing the frame rate. I suggest it is also possible to improve the
compiz code so that it avoids the issue and also avoids the need for a
very high frame rate. But wait and see, if and when I (or someone else)
has the time to look at doing that...

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-11-04 Thread cicoandcico
Sorry, I performed some other tests and they proved I was wrong with
bailer.

Now it seems that the situation can be simply improved by deactivating
the FPS detection, and forcing the framerate to 120Hz. In this way the
performance is acceptable.

However, now I'm writing from gnome-shell, and it's sad to repeat, but
here there simply isn't any problem. Windows move smooth as silk, like
any other animation.

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Title:
  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-27 Thread ATS
Tried the TwinView workaround and lightdm won't even load. Tried
manually setting the refresh rate in ccsm and there is no appreciable
change. Turning off bailer also does nothing. Seems to be some sort of
leak because at startup or compiz restart everything works smoothly. 2
minutes later and the stutter to moving windows returns.

This bug really degrades the Ubuntu experience.

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Title:
  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-24 Thread Owen Williams
Deactivating Bailer and increasing the refresh rate do improve, but
don't completely fix the problems.  glxgears is smoother, but still
jerks noticeably from time to time and gets much smoother as the window
size increases.  And moving and resizing windows is still much, much
slower than with compiz 0.8.6.

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-23 Thread Daniel van Vugt
That's excellent news. Please create a new bug titled something like:
  "Compiz refresh rate is slow and stuttering when Bailer plugin is active"

It's good news because it sounds like we're just dealing with a logic
problem, or frame deadline problem, in compiz.

Instead of disabling Bailer however, can you change its settings in CCSM
and solve the problem with Bailer still active?

Ideally, please put your responses in the new bug. Thanks...

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-23 Thread cicoandcico
same problem here, deactivating bailer and forcing the framerate to 120Hz (my 
monitor  goes 60Hz) did the trick.
now i've got a smooth experience, even if gnome-shell (mutter) appears still 
faster (mut it may be just an impression).

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-20 Thread Daniel van Vugt
** Description changed:

  The problem here is that incorrect information from the NVIDIA driver is
  tricking some software like Compiz into using an incorrect refresh rate,
  which makes the whole desktop look choppy.
  
- The cause of this framerate problem is the DynamicTwinView feature of the 
NVIDIA graphics driver. It appears to be a documented "feature" of the driver, 
and has been for several years:
- 
http://us.download.nvidia.com/XFree86/Linux-x86/280.13/README/xconfigoptions.html
- (Search for: DynamicTwinView)
+ The cause of this framerate problem is the DynamicTwinView feature of
+ the NVIDIA graphics driver. It appears to be a documented "feature" of
+ the driver, and has been for several years:
+ 
+ --- Quote from the NVIDIA documentation ---
+ Option "DynamicTwinView" "boolean"
+ Enable or disable support for dynamically configuring TwinView on this X 
screen. When DynamicTwinView is enabled (the default), the refresh rate of a 
mode (reported through XF86VidMode or XRandR) does not correctly report the 
refresh rate, but instead is a unique number such that each MetaMode has a 
different value. This is to guarantee that MetaModes can be uniquely identified 
by XRandR.
+ When DynamicTwinView is disabled, the refresh rate reported through XRandR 
will be accurate, but NV-CONTROL clients such as nvidia-settings will not be 
able to dynamically manipulate the X screen's MetaModes. TwinView can still be 
configured from the X config file when DynamicTwinView is disabled.
+ Default: DynamicTwinView is enabled.
+ --- End quote ---
+ 
[http://us.download.nvidia.com/XFree86/Linux-x86/280.13/README/xconfigoptions.html]
  
  WORKAROUND:
  
  (in /etc/X11/xorg.conf)
  Section "Device"
    Option "DynamicTwinView" "False"
  EndSection
  
  ORIGINAL DESCRIPTION:
  
  Binary package hint: xorg
  
  My Samsung SyncMaster 931BF does actually support 75 hz screen refresh
  rate, but xorg lets me choose only between 50 Hz and 54 Hz. Modification
  of /etc/X11/xorg.conf does not help. xorg worked ok on edgy.
  
  Here's some info:
  
  $ uname -a
  Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 i686 
GNU/Linux
  
  $ apt-cache show xorg | grep Version
  Version: 1:7.2-0ubuntu7
  
  The video card is Nvidia GeForce 7300GS.
  
  ProblemType: Bug
  Architecture: i386
  Date: Thu Mar 15 21:08:22 2007
  DistroRelease: Ubuntu 7.04
  Uname: Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 
i686 GNU/Linux

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Title:
  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-20 Thread Scott Deagan
This may be related:
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/861061

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Title:
  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-08 Thread Daniel van Vugt
Ron, if the xorg.conf workaround doesn't work for you either then you're
experiencing a different bug. Please log a new one.

Please also log a separate bug for the Tux Racer corruption issue.

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-07 Thread Ron Johnson
Daniel, no luck with smooth windows after disabling Detect Refresh Rate.
In fact, they became jerky again.

Also, it turns out that disabling Bailer didn't work well either.

What does seem to work is disabling all Window Management options except
Move Window and Resize Window.

Lastly, as another bit of info: the OpenGL game Extreme Tux Racer
performs well, but the screen is corrupted upon exit.  Attached is a
screenprint demonstrating the problem.  Actually *doing* the screen
print refreshed the screen.

** Attachment added: "Corrupted display after exiting Tux Racer"
   
https://bugs.launchpad.net/ubuntu/+source/linux-restricted-modules-2.6.20/+bug/92599/+attachment/2523403/+files/Corrupted_display.png

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-06 Thread Daniel van Vugt
Ron, please try the workaround in the bug description above.

If that fails, I suspect an alternative workaround might work:
In CCSM > Composite set ...
  Detect Refresh Rate = OFF
  Refresh Rate = the real refresh rate of your monitor, maybe even higher.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-10-06 Thread Ron Johnson
Since #760814 is deemed a duplicate, I've bounced overhere.

Just installed 11.04 w/ Classic (i.e., GNOME 2.32).  GeForce 210 and
binary driver 270.41.06-0ubuntu1.  Window movement was stunningly jerky.

Went into CCSM and disabled "Bailer".  Now, window movement is
acceptable, but glxgers is still horrible.

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-09-15 Thread Daniel van Vugt
OK, it seems to be a different issue. You bug 773861 is no longer marked
as a duplicate of this one.

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  Incorrect (low/stuttering) refresh rate with NVIDIA driver

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Re: [Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-09-15 Thread Nick B.
I checked nvidia-settings and DynamicTwinView was definitely disabled. I
also set the refresh rate in CCSM to 60Hz which is what my monitor runs
at. Didn't make any difference.

On 09/16/2011 12:19 AM, Daniel van Vugt wrote:
> Please check that the NVIDIA Settings app shows Dynamic Twin View as
> disabled. Sorry; I forget where it is exactly, and can't show you
> because I stopped using NVIDIA graphics a while ago.
>
> Also, try installing compizconfig-settings-manager. Then go to:
> System Settings >
> Control Center >
> CompizConfig Settings Manager >
> Composite
>
> And check the Refresh Rate is the same as what your monitor is using.
>

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-09-15 Thread Daniel van Vugt
Please check that the NVIDIA Settings app shows Dynamic Twin View as
disabled. Sorry; I forget where it is exactly, and can't show you
because I stopped using NVIDIA graphics a while ago.

Also, try installing compizconfig-settings-manager. Then go to:
System Settings >
Control Center >
CompizConfig Settings Manager >
Composite

And check the Refresh Rate is the same as what your monitor is using.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-09-15 Thread Nick B.
Got subscribed here by a bug that was marked as a duplicate, however
disabling DynamicTwinView did not work for me. Compiz is still extremely
choppy and slow.

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[Bug 92599] Re: Incorrect (low/stuttering) refresh rate with NVIDIA driver

2011-09-14 Thread Daniel van Vugt
** Description changed:

+ The problem here is that incorrect information from the NVIDIA driver is
+ tricking some software like Compiz into using an incorrect refresh rate,
+ which makes the whole desktop look choppy.
+ 
  The cause of this framerate problem is the DynamicTwinView feature of the 
NVIDIA graphics driver. It appears to be a documented "feature" of the driver, 
and has been for several years:
  
http://us.download.nvidia.com/XFree86/Linux-x86/280.13/README/xconfigoptions.html
  (Search for: DynamicTwinView)
  
  WORKAROUND:
  
  (in /etc/X11/xorg.conf)
  Section "Device"
    Option "DynamicTwinView" "False"
  EndSection
  
  ORIGINAL DESCRIPTION:
  
  Binary package hint: xorg
  
  My Samsung SyncMaster 931BF does actually support 75 hz screen refresh
  rate, but xorg lets me choose only between 50 Hz and 54 Hz. Modification
  of /etc/X11/xorg.conf does not help. xorg worked ok on edgy.
  
  Here's some info:
  
  $ uname -a
  Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 i686 
GNU/Linux
  
  $ apt-cache show xorg | grep Version
  Version: 1:7.2-0ubuntu7
  
  The video card is Nvidia GeForce 7300GS.
  
  ProblemType: Bug
  Architecture: i386
  Date: Thu Mar 15 21:08:22 2007
  DistroRelease: Ubuntu 7.04
  Uname: Linux Xel-Naga 2.6.20-10-generic #2 SMP Mon Mar 12 00:02:49 UTC 2007 
i686 GNU/Linux

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