Re: ACPI slowdown...

From: Tony Hoyle (
Date: Wed Feb 07 2001 - 19:23:35 EST

Grover, Andrew wrote:

> Since you have a symtomatic system, if you're willing to do some testing to
> either prove or disprove your theory (that entering C2/C3 interrupts enabled
> helps things) I would greatly appreciate it.

Leaving interrupts enabled does help a little, but the machine is still
unusably slow, so it's not the fix.

> Also, the next ACPI update will let you disable using this code for idle (so
> we have some breathing room while we fix it) and will print some more C
> state info on boot, because although you don't say, it sounds like you have
> a desktop system, which usually don't support C2/C3, and so should not be
> trying to enter them.

Disabling the idle code definitely fixes it.


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