Same issue there. The system is very unstable when using KWin desktop effects.
My system : Pentium M 1.7 GHz Radeon 9700 Mobile
Kernel : Linux aubin 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux
Same issue there. The system is very unstable when using KWin desktop effects.
My system :
Pentium M 1.7 GHz
Radeon 9700 Mobile
Kernel :
Linux aubin 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686 GNU/Linux