MCA messages after upgrade to 8.2-BEAT1

[Alan Cox]

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.

Alan