Re: 2.4.22 APM problems with IBM Thinkpad's

[Alan Cox]

On Mer, 2003-08-13 at 14:13, Mikael Pettersson wrote:
> With APIC support enabled (SMP or UP_APIC), APM must be constrained:
> DISPLAY_BLANK off
> CPU_IDLE off
> built-in driver, not module

This isnt sufficient because some of the SMM traps off the FN-key 
sequences also crash thinkpads if APIC is enabled. Basically *dont use
local apic* except on SMP.


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