Re: Multiple monitors bug in KDE 4.5.1

[Facundo Aguilera]

El Martes 14 Septiembre 2010 09:50:08 Lisandro Damián Nicanor Pérez Meyer 
 escribió:
> On Mar 14 Sep 2010 05:14:29 Kyle Kearney escribió:
> > I have the same problem (well, with left vs. right monitors, but a
> > similar issue with the plasmoids moving to the external monitor). I did
> > a bit of quick googling and from what I was able to gather it looks like
> > it's an upstream bug. The workaround that I found was to configure the
> > displays from the command line using xrandr (I've got an intel card -
> > I'm not sure if this procedure holds for other vendors such as nVidia;
> > IIRC they have their own configuration system for multiple displays)
> > using the following (slightly modified to match your configuration)
> > xrandr --output VGA1 --mode 1440x900 --output LVDS1 --primary --below
> > VGA1
> 
> I did it by hand with the same results, but I was missing --primeary stuff.
> 
> Thanks :)
> 
> Do you know if the bug is already open upstream?

Same problem here.
Have you reported the bug?

fa


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nvidia-graphics-drivers and KDE slowdown in Squeeze

[Rainer Dorsch]

Hello,

I see here on a Lenovo Thinkpad T61p very poor performance with the nvidia-
graphics-drivers drivers in squeeze when running KDE (desktop effects enabled 
or disabled does not make a difference):

The observation is that the desktop becomes slower (typing is a second per 
character, changing focus for windows becomes very slow,...) over time after 
approximately a day it is impossible to work with it.

What improves the situation is to disable and enable the desktop effects in 
KDE. Seems during the enabling the part of the graphics system causing the 
problem gets reset.

Ken observes the same on Kubuntu 10.04

Some observations:
* The problem does not occur with gnome. 
* The problem does not occur with KDE and another graphics hardware or drivers 
(e.g. ATI/AMD or Intel).
* The problem does not occur with lenny and KDE 3.5.10

So far we have little data to narrow down the area where the problem comes 
from.

Have you any idea what could be a helpful test?

Would you expect any problem when I pull the newly upload nvidia-graphics-
drivers 256.53-1 into squeeze to test if the problem is still there?

Thanks,
Rainer

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Re: nvidia-graphics-drivers and KDE slowdown in Squeeze

[Russ Allbery]

Rainer Dorsch  writes:

> Would you expect any problem when I pull the newly upload nvidia-graphics-
> drivers 256.53-1 into squeeze to test if the problem is still there?

No, and that's the first thing I'd try.  It should work fine in squeeze.

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Re: nvidia-graphics-drivers and KDE slowdown in Squeeze

[André Wöbbeking]

Hi,

On Wednesday 22 September 2010, Rainer Dorsch wrote:
> Hello,
> 
> I see here on a Lenovo Thinkpad T61p very poor performance with the nvidia-
> graphics-drivers drivers in squeeze when running KDE (desktop effects
> enabled or disabled does not make a difference):

Do you use the Oxygen style and are animations enabled there? If so try another 
style or disable animations. You probably have to restart X (maybe even reboot 
or try your dis- and reenable desktop effects trick). Does that help?


Cheers,
André


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Re: nvidia-graphics-drivers and KDE slowdown in Squeeze

[Alan Dacey Sr.]

On Wednesday, September 22, 2010 03:54:21 pm André Wöbbeking wrote:
> Hi,
> 
> On Wednesday 22 September 2010, Rainer Dorsch wrote:
> > Hello,
> > 
> > I see here on a Lenovo Thinkpad T61p very poor performance with the nvidia-
> > graphics-drivers drivers in squeeze when running KDE (desktop effects
> > enabled or disabled does not make a difference):
> 
> Do you use the Oxygen style and are animations enabled there? If so try 
> another 
> style or disable animations. You probably have to restart X (maybe even 
> reboot 
> or try your dis- and reenable desktop effects trick). Does that help?
> 
> 
> Cheers,
> André
> 
> 
> 

There may be a drawing problem using the Oxygen style.  It basically draws way 
to 
many things.  Should be fixed in the KDE 4.5.2 release.

http://hugo-kde.blogspot.com/2010/09/performance-issues-one-script-and-call.html

Alan


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