* Cyrill Gorcunov <gorcunov@gmail.com> wrote:

quoted text
> We should touch ESR register if only we have it.
> The patch fixes the problem mentoined here
> 
> 	http://lkml.org/lkml/2008/10/17/147
> 
> Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
> CC: Glauber Costa <glommer@gmail.com>

quoted text
> -		apic_write(APIC_ESR, 0);
> -		apic_read(APIC_ESR);
> +		if (APIC_INTEGRATED(apic_version[phys_apicid])) {
> +			apic_write(APIC_ESR, 0);
> +			apic_read(APIC_ESR);
> +		}

i'm wondering - is the server there really that old, that it has no 
integrated lapic? I.e. it's an i486 SMP box or so? Or perhaps some 
other, weird SMP box?

	Ingo
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