Date: Thu, 23 Dec 2010 14:39:37 -0500 From: Dan Langille <dan@langille.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-stable@freebsd.org, Miroslav Lachman <000.fbsd@quip.cz> Subject: Re: MCA messages after upgrade to 8.2-BEAT1 Message-ID: <4D13A579.8090004@langille.org> In-Reply-To: <201012220957.26854.jhb@freebsd.org> References: <4D11F1F5.7050902@quip.cz> <201012220957.26854.jhb@freebsd.org>
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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. -- Dan Langille - http://langille.org/
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