top wakeups causes and 8254_timer not connected.

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Is this ok, for an idle system (by powertop):

P-states (frequencies)
1.60 Ghz     0.0%
800 Mhz   100.0%

Wakeups-from-idle per second : 561.9    interval: 10.0s
no ACPI power usage estimate available

Top causes for wakeups:
  82.6% (925.0)       <interrupt> : extra timer interrupt
   8.0% ( 90.0)           mplayer : do_nanosleep (hrtimer_wakeup)
   4.2% ( 46.9)       <interrupt> : ohci_hcd:usb2, HDA Intel
   1.8% ( 20.6)                 X : do_setitimer (it_real_fn)
   1.5% ( 17.0)                 X : schedule_timeout (process_timeout)
   1.2% ( 13.6)            kicker : schedule_timeout (process_timeout)

Double core Turion 64 (Dell inspiron 1501) on F8
Seems as my second core does not function?

In dmesg I see a lot of:

APIC error on CPU0: 40(40)
APIC error on CPU1: 40(40)

and the 8254_timer not connected at the kernel booting. IS there a way
to fix it?


PS My googling helped me nothing...

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