Re: 2.4.22 APM problems with IBM Thinkpad's

[Jamie Lokier]

Alan Cox wrote:
> 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.

Is it feasible to disable the APIC during BIOS calls,?

If that's feasible, it could fix the APM problem though not the SMM
trap problem on Thinkpads.

-- Jamie
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