Fedora 12 Gnome-Desktop since last update very slow

[Jürgen Dankoweit]

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Hello to the list,

since the last update - look at the protocol at the end of the mail -
Fedora 12 Gnome-Desktop is very slow. Every action takes seconds before
it is executed:
(*) Opening a terminal window: 2 sec
(*) In the terminal: su root and checking the password: three seconds
(*) In the same terminal: ls /sbin: first nothing happens, then it
scrolls the content of the directory line for line
(*) Opening Thunderbird: 5 seconds a clear window, then a part of (*)
(*) Thunderbird after 4 seconds the rest
(*) scrolling in every application very slow
(*) Starting of Compiz failed
(*) Moving a window: the content of the window which is under that is
restored line by line

Are there any problems with Xorg?
Before this update, everything was very fast!

Thanks for your answers

Here the protocol:
Mar 07 11:43:29 Updated: xorg-x11-server-common-1.7.5-5.fc12.i686
Mar 07 11:43:30 Installed:
xorg-x11-drv-ati-firmware-6.13.0-0.21.20100219gite68d3a389.fc12.i686
Mar 07 11:43:32 Updated: kernel-firmware-2.6.32.9-67.fc12.noarch
Mar 07 11:43:38 Updated: kernel-headers-2.6.32.9-67.fc12.i686
Mar 07 11:43:39 Updated: pulseaudio-gdm-hooks-0.9.21-5.fc12.i686
Mar 07 11:43:43 Updated: sos-1.9-1.fc12.noarch
Mar 07 11:43:44 Updated: perf-2.6.32.9-67.fc12.noarch
Mar 07 11:43:48 Updated: pulseaudio-libs-0.9.21-5.fc12.i686
Mar 07 11:43:51 Updated: GConf2-2.28.0-4.fc12.1.i686
Mar 07 11:44:43 Installed: kernel-2.6.32.9-67.fc12.i686
Mar 07 11:44:45 Updated: pulseaudio-0.9.21-5.fc12.i686
Mar 07 11:44:47 Updated: pulseaudio-utils-0.9.21-5.fc12.i686
Mar 07 11:44:48 Updated: file-libs-5.03-13.fc12.i686
Mar 07 11:44:51 Updated: xorg-x11-server-Xorg-1.7.5-5.fc12.i686
Mar 07 11:44:52 Updated: pulseaudio-module-zeroconf-0.9.21-5.fc12.i686
Mar 07 11:44:53 Updated: pulseaudio-module-bluetooth-0.9.21-5.fc12.i686
Mar 07 11:44:54 Updated: pulseaudio-libs-glib2-0.9.21-5.fc12.i686
Mar 07 11:44:55 Updated: pulseaudio-libs-zeroconf-0.9.21-5.fc12.i686
Mar 07 11:44:57 Updated: gmime22-2.2.25-1.fc12.i686
Mar 07 11:45:00 Updated: usermode-1.104-1.fc12.i686
Mar 07 11:45:01 Updated: libmms-0.5-1.fc12.i686
Mar 07 11:45:02 Updated: GConf2-gtk-2.28.0-4.fc12.1.i686
Mar 07 11:45:03 Updated: usermode-gtk-1.104-1.fc12.i686
Mar 07 11:45:05 Updated: pulseaudio-module-x11-0.9.21-5.fc12.i686
Mar 07 11:45:06 Updated: pulseaudio-module-gconf-0.9.21-5.fc12.i686
Mar 07 11:45:07 Updated: GConf2-devel-2.28.0-4.fc12.1.i686
Mar 07 11:45:10 Updated: mlocate-0.22.2-2.fc12.i686
Mar 07 11:45:11 Updated: info-4.13a-9.fc12.i686
Mar 07 11:45:13 Updated: xorg-x11-server-Xnest-1.7.5-5.fc12.i686
Mar 07 11:45:13 Updated: pulseaudio-esound-compat-0.9.21-5.fc12.i686
Mar 07 11:45:15 Updated: sudo-1.7.2p5-1.fc12.i686
Mar 07 11:45:17 Updated:
xorg-x11-drv-ati-6.13.0-0.21.20100219gite68d3a389.fc12.i686
Mar 07 11:45:18 Updated: file-5.03-13.fc12.i686

My Hardware:
IBM/Lenovo Thinkpad T43,
ATI Radeon X300 (RV370) 5B60 (PCIE) with RADEON: Driver for ATI Radeon
chipsets

XOrg:
X.Org X Server 1.7.5
Release Date: 2010-02-16
X Protocol Version 11, Revision 0
Build Operating System: x86-05 2.6.18-164.6.1.el5
Current Operating System: Linux t43.juergendankoweit.net
2.6.32.9-67.fc12.i686 #1 SMP Sat Feb 27 10:00:02 UTC 2010 i686
Kernel command line: ro root=UUID=27547ae9-3737-4bd1-b859-0ebf6beb461f
noiswmd LANG=de_DE.UTF-8 SYSFONT=latarcyrheb-sun16 KE
Build Date: 24 February 2010  09:15:30PM
Build ID: xorg-x11-server 1.7.5-5.fc12
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