Re: [PATCH] x86/apic: check FADT settings after enable x2apic

[Yinghai Lu]

On Tue, Jan 29, 2013 at 12:49 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> * Wang, Song-Bo (Stoney) <song-bo.wang@xxxxxx> wrote:
>
>> [...] Due to this mode mismatch, with specific HW
>> configurations, there will be intermittent lost interrupts,
>> which could result in a hang or data loss.

Wang,

Maybe off topic, You should never ship those kind of system before you
fix that in BIOS, as user will have problem with current distribution.

You need to ask your BIOS guys (or OEM's BIOS guys) to check with Intel
to set one bit in IIO configure space to enable x2apic cluster.

Thanks

Yinghai
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