The new (released in May) iMacs G5 seem to have a problem with ApplePMU.
There is no ApplePMU in the IORegistry tree on these machines (as
evidenced by ioreg -l -w500 | grep ApplePMU).
In fact, the ApplePMU kernel extension is not loaded (as kextstat
shows) and trying to load it fails with the error :
kextload: kmod_control/start failed for com.apple.driver.ApplePMU;
destroying kmod
kextload: a link/load error occured for kernel extension /System/
Library/Extensions/ApplePMU.kext
load failed for extension /System/Library/Extensions/ApplePMU.kext
Now on to the strange part :
when I try to set a wake up date, IOPMSchedulePowerEvent
(wakeDate,NULL,CFSTR(kIOPMAutoWake)) returns kIOReturnSuccess ;
however, the iMac does not wake up.
It of course doesn't wake up because there's no PMU ; but why does
IOPMSchedulePowerEvent return kIOReturnSuccess then ?
Is there a way to load that kernel extension (without getting any
errors) ?
Thanks,
--
Thomas Deniau
And wandering in path and mind / he groped as one gone sudden blind,
who seeks to grasp the hidden light / with faltering hands in more
than night.
(The Lay of Leithian, Canto IV)
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