I have rebooted now. This is the powertop output:
PowerTOP version 1.10 (C) 2007 Intel Corporation
Cn Avg residency P-states (frequencies)
C0 (cpu running) (78.1%) 1.80 Ghz 0.0%
polling 0.0ms ( 0.0%) 1.60 Ghz 0.0%
C1 0.1ms ( 0.1%) 800 Mhz 100.0%
C2 1.2ms ( 3.8%)
C3 3.2ms (18.0%)
Wakeups-from-idle per second : 91.8 interval: 5.0s
no ACPI power usage estimate available
Top causes for wakeups:
57.6% (250.0) NetworkManager : et131x_open (et131x_error_timer_handler)
11.2% ( 48.8) firefox : futex_wait (hrtimer_wakeup)
7.9% ( 34.4) icecast2 : do_nanosleep (hrtimer_wakeup)
5.4% ( 23.4) <interrupt> : HDA Intel, 0000:05:09.0
2.4% ( 10.6) skype : schedule_timeout (process_timeout)
2.3% ( 10.0) skype : do_nanosleep (hrtimer_wakeup)
This is the top output:
top - 19:18:56 up 26 min, 3 users, load average: 0.78, 0.87, 0.80
Tasks: 140 total, 3 running, 136 sleeping, 0 stopped, 1 zombie
Cpu(s): 5.1%us, 8.9%sy, 0.0%ni, 84.9%id, 0.0%wa, 0.0%hi, 1.0%si, 0.0%st
Mem: 1024988k total, 929088k used, 95900k free, 10256k buffers
Swap: 1124540k total, 8140k used, 1116400k free, 235916k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4 root 15 -5 0 0 0 R 8.2 0.0 1:40.41 ksoftirqd/0
5256 root 20 0 356m 119m 25m S 5.8 11.9 1:34.27 Xorg
6111 sarek 20 0 296m 35m 14m R 1.4 3.5 0:09.42 gnome-terminal
6278 sarek 20 0 529m 85m 26m S 1.0 8.5 0:15.54 firefox
4920 chipcard 20 0 27452 1664 1088 S 0.7 0.2 0:08.00 chipcardd4
5714 sarek 20 0 232m 25m 8376 S 0.7 2.6 0:12.66 compiz.real
5844 sarek 20 0 208m 17m 8984 S 0.7 1.7 0:02.92 gnome-netstatus
5851 sarek 20 0 192m 10m 8356 S 0.7 1.0 0:03.52 multiload-apple
I'll try to check the module sourcecode for the cause of the problem,
but as I am not the greatest programmer of all times this might not be
successful ;-)
--
high cpu usage with et131x
https://bugs.launchpad.net/bugs/308705
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