2010/12/23 Dan Langille <[email protected]> > 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.
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