Date: Wed, 28 Jan 2009 11:03:24 -0700 From: Tom Everett <tom@khubla.com> To: Dan Lukes <dan@obluda.cz> Cc: freebsd-acpi@freebsd.org Subject: Re: SMP Problem on IBM x330 Server Message-ID: <49809DEC.9030004@khubla.com> In-Reply-To: <49809418.1000802@obluda.cz> References: <497F4857.1060005@khubla.com> <200901280911.30748.jhb@freebsd.org> <49808D1D.8030709@khubla.com> <49809418.1000802@obluda.cz>
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Dan Lukes wrote:
>>> Please provide the output of 'acpidump -t'. It seems the BIOS is
>>> not including both CPUs in the table it gives to the OS.
>
>> After running the BIOS diagnostics, it seems that the BIOS has
>> disabled the processor.
>
> True:
>
>> APIC: Length=94, Revision=1, Checksum=217,
>
>> Type=Local APIC
>> ACPI CPU=0
>> Flags={ENABLED}
>> APIC ID=3
>>
>> Type=Local APIC
>> ACPI CPU=1
>> Flags={DISABLED}
>> APIC ID=0
>
>
> Second CPU is disabled.
>
> The FreeBSD say so:
>
>> APIC: Using the MADT enumerator.
>> MADT: Found CPU APIC ID 3 ACPI ID 0: enabled
>> SMP: Added CPU 3 (AP)
>> MADT: Found CPU APIC ID 0 ACPI ID 1: disabled
>
>
> It may be CPU failure detected during POST. Or broken CMOS content,
> sometime (try clear CMOS content).
>
> Dan
Thanks!
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