Problems with Nacona Xeons

Scott Long scottl at samsco.org
Sun Sep 11 10:29:34 PDT 2005


Sean wrote:
> David S. Besade wrote:
> 
>> Hey Guys,
>>
>> I have a Dual Xeon (With EM64T) system running FreeBSD 5.4 AMD64 - 
>> Release
>> (with a -stable kernel). I can't get the kernel to see my second CPU. 
>> I have
>> recompiled and retuned and done everything I could to get it to see the
>> second CPU. The guys on IRC (##Freebsd on freenode) told me to post 
>> this to
>> this list.
>>
>> I do have the ACPI disabled as it doesn't work right yet. The 
>> Motherboard is
>> a Tyan S5350 ( http://tyan.com/products/html/tigeri7320.html ) running 
>> with
>> 2 Dual Nacona Core Xeons. I had the datacenter check the BIOS and 
>> everything
>> is as it should be. I have Registered ECC RAM on it as well.
>>
>> Both CPU's were recogized by Centos 4.1 X86-64, however I prefer FBSD to
>> anything Linux. So if you guys could help me out I would appreciate it. I
>> think I have given you all the relevant information I Hope but if not 
>> just
>> ask me I will get it.
>>
>> Thanks in advance
>> -Dave
>>
>>
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>>
> You said you did a kernel recompile, so did you include
> 'device        acpi'

                  ^^^^

You need 'device apic' here also.  There is a difference between 'acpi'
and 'apic.  For SMP amd64 machines, you should have both.  Simply put,
the apic is what allows the first CPU to start up the other CPUs during
boot.

Scott


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