Comment 9 for bug 153195

Same behaviour with:

2.6.22-14-generic #1 SMP i686 GNU/Linux
Intel Core2Duo

top - 14:36:03 up 5:08, 4 users, load average: 0.90, 0.83, 0.74
Tasks: 151 total, 1 running, 150 sleeping, 0 stopped, 0 zombie
Cpu(s): 5.4%us, 6.2%sy, 0.1%ni, 87.0%id, 0.6%wa, 0.1%hi, 0.6%si, 0.0%st
Mem: 2075680k total, 1476728k used, 598952k free, 75632k buffers
Swap: 1951856k total, 0k used, 1951856k free, 1044028k cached

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    4 root 34 19 0 0 0 S 22 0.0 30:18.50 ksoftirqd/0

No Tv Card, but the machine has a Nvidia 7300, primary display. Second on board display is deactivated.

I noticed this just happens with X on.

Regards