SMP Problem on IBM x330 Server

Tom Everett tom at khubla.com
Wed Jan 28 10:10:46 PST 2009



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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