Same problem here with ATI Technologies Inc M64-S [Mobility Radeon X2300], backtrace in kdm.log identical as in comment #2. Also solved by "TerminateServer=true".
Same problem here with ATI Technologies Inc M64-S [Mobility Radeon X2300], backtrace in kdm.log identical as in comment #2. Also solved by "TerminateServe r=true" .