Hi!

After I am using KDE 4.3.3 on Arch Linux x64. Since yesterday I experience a strange behaviour of KDE - whenever I press ALT+F2 or open the start menu (by clicking the K button in the buttom left corner) the systems stops working for about 25s (ALT + F2) or 15s (start menu) before the menu opens or appears. The mouse can still be moved but I cannot select a window or control on a form or even switch workspaces. The keyboard doesn't work at all during this time. So CTRL + ALT + F1 or something like that or even the "reset X shortcut" isn't working.

Strange as well - even the gadgets on the Plasma screen (eyes and analog clock) stop working during that perioid. Everything "freezes".

Do you have any idea what the problem might be?

Thank you in advance!

Which graphics card do you have, and which driver is installed ( if NVidia or ATi )?
Also, do you have Desktop Effects enabled?

Notebook: Asus K40IN

Lastest KDE 4.3.3, video card Nvidia G102M, video driver from nvidia.com site (i.e. "nvidia", "NVIDIA-Linux-x86-190.53-pkg1.run" ), all visual effects by default are enabled (also I enabled Desktop Cube).

I have delay about 9 seconds !
Delay could be then I:
* type "alt+f1", or
* type "alt+f2"

Now I'll try to switch to default video driver... maybe this will help... I'll write.

Thanks for any advices !

Dmitriy.

changing to native Fedora driver (version 190.42) didn't help.
but changing to "nouveau" driver - helps ! all start to work quickly.

where could be the problem ? anyone knows ?

Since the problem stopped when you switched to the nouveau driver, it is a driver related issue in the NVidia driver. After checking for the latest drivers, ensuring that direct rendering is available, and that OpenGL is being used for desktop effects, you can't really do much else other than use the nouveau driver for now.

Yes, thanks.
Also, I found ticket for this problem:

https://bugzilla.redhat.com/show_bug.cgi?id=533620

Looks like the problem in Nvidia drivers.