[CentOS] Kernel panic - not syncing: CPU context corrupt

[John R Pierce]

William L. Maltby wrote:
> On Fri, 2008-06-20 at 15:57 -0500, Lanny Marcus wrote:
>   
>> On 6/20/08, Alwin Roosen <alwin.roosen at webline.be> wrote:
>> <snip>
>>     
>>> <snip>
>>>       
>
>   
>>> ws174 login: CPU 1: Machine Check Exception: 0000000000000005
>>> CPU 0: Machine Check Exception: 0000000000000004
>>> Bank 3: f62000020002010a at 0000000032c93500
>>> Bank 5: f20000300c000e0f
>>> Kernel panic - not syncing: CPU context corrupt
>>> Bank 3: f62000020002010a
>>>       
>> Two banks of Memory (3 and 5) have problems?
>>
>> If the RAM tests OK, suggest you swap the motherboard
>>     
>
> IIRC, you have memory interleaved? I've had problems with that, in the
> past, on ... an acer? Anyway, if so, try turning it off in the BIOS
> setup.
>
> Also, make sure you have the latest BIOS for the mainboard.
>   

I'm pretty sure those 'banks' mentioned in that error relate to the 
on-CPU cache, and not to motherboard main RAM.

any ECC in a MACHINE CHECK is likely CACHE ecc, not main memory ECC.