Re: Re: ACPI source patches updated (20021101)

Hi!

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"Robert" == Robert Moore writes:

 Robert> We have discovered a possible situation where an Acquire() with
 Robert> an infinite wait (0xFFFF) could in fact timeout without
 Robert> obtaining the mutex.  This may be the root of the problem you
 Robert> are seeing.

 Robert> Andy is preparing a patch.  

Great!

On a related note, I'm seeing situations where ACPI starts to eat my CPU
time. It has to be related to the mutex issue -- but perhaps should be
fixed independently.

In most cases I see a kacpidpc thread that eats CPU, but sometimes the
machine slows down _A LOT_ (windows being redrawn slowly, etc), even
when kacpidpc is not visibly running. In my case, it's always related to
fans -- whenever ACPI tries to manage them, I run into problems and
eventually have to reboot.

Maybe thermal throttling is going on? Or machine overheats and bios
slows down to save it.
								Pavel

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