Ok yet another system, and this time intel-based, and I was wrong about high uptime, after only 2hours 19minutes it now shows 100% cpu load of Xorg the timespan is not when the high cpu consumption started, I have only now connected to the box via ssh and I am seeing it: top - 16:03:49 up 2:21, 1 user, load average: 1.00, 1.01, 0.97 Tasks: 124 total, 2 running, 122 sleeping, 0 stopped, 0 zombie %Cpu0 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st %Cpu1 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st %Cpu2 : 34.3 us, 65.7 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st %Cpu3 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem: 6087708 total, 853524 used, 5234184 free, 56948 buffers KiB Swap: 2110460 total, 0 used, 2110460 free. 649460 cached Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 933 root 20 0 257084 37208 24296 R 99.34 0.611 127:07.97 Xorg