** Description changed:
I'm using Kubuntu 9.04 (RC1)
The problem might be in Xorg-ati, xorg-server or maybe kwin.
When I switch on 'Desktopeffects' in 'Systemsettings>Desktp>Desktop effects'
I get all the nice eyecandy imediatelly and I'm able to work for a while (a
couple of minutes). But after a random period of time the whole system freezes
- usually the screen gets black and the machine dosn't react on either input -
neither the keyboard(ctrl+alt+del) nor the powerbutton on the case causes any
reaction. The only possibility is to 'pull the plug' (press 'power'-butten for
more than 5 seconds). At rebooting i often have trouble afterwards and have to
use the recovery-mode to repair filesystem.
At some occurancies, I can see the desktop after the crash (but not touch
anything) instead of the black screen but apart from that the situation is the
same.
When using the OpenGL-setting 'common RAM' only the X-Server crashed and I
was dropped to KDM.
My hardware:
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz
GPU: ATI Technologies Inc Radeon R350 [Radeon 9800 Pro]
Audio: Intel ICH5 with AD1980 (Intel ICH5)
+
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation 82875P/E7210 Memory Controller
Hub [8086:2578] (rev 02)
+ Subsystem: Dell Device [1028:0157]
+ 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon R350
[Radeon 9800 Pro] [1002:4e48]
+ Subsystem: ATI Technologies Inc Device [1002:1002]
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Computer crashes when Compositing switched on
https://bugs.launchpad.net/bugs/363618
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