MCA messages after upgrade to 8.2-BEAT1

[Carl Johnson]

Alan Cox <alan.l.cox at gmail.com> writes:

> 2010/12/23 Dan Langille <dan at langille.org>
>
>> On 12/22/2010 9:57 AM, John Baldwin wrote:
>>
>>> On Wednesday, December 22, 2010 7:41:25 am Miroslav Lachman wrote:
>>>
>>>> Dec 21 12:42:26 kavkaz kernel: MCA: Bank 0, Status 0xd40e400000000833
>>>> Dec 21 12:42:26 kavkaz kernel: MCA: Global Cap 0x0000000000000105,
>>>> Status 0x0000000000000000
>>>> Dec 21 12:42:26 kavkaz kernel: MCA: Vendor "AuthenticAMD", ID 0x40f33,
>>>> APIC ID 0
>>>> Dec 21 12:42:26 kavkaz kernel: MCA: CPU 0 COR OVER BUSLG Source DRD
>>>> Memory
>>>> Dec 21 12:42:26 kavkaz kernel: MCA: Address 0x236493c0
>>>>
>>>
>>> You are getting corrected ECC errors in your RAM.  You see them once an
>>> hour
>>> because we poll the machine check registers once an hour.  If this happens
>>> constantly you might have a DIMM that is dying?
>>>
>>
>> John:
>>
>> I take it these ECC errors *may* have been happening for some time. What
>> has changed is the OS now polls for the errors and reports them.
>>
>>
> Yes, we enabled MCA by default in 8.1-RELEASE.

Is there some reason that it is only available for i386 and not for
amd64?  Linux has something called mcelog, for machine check errors,
which sounds similar and is available for amd64.

-- 
Carl Johnson		carlj at peak.org