From gentoo-user  Mon Sep 23 18:59:45 2013
From: Paul Hartman <paul.hartman+gentoo () gmail ! com>
Date: Mon, 23 Sep 2013 18:59:45 +0000
To: gentoo-user
Subject: Re: [gentoo-user] [Hardware Error]: MC1 Error: Copyback Parity/Victim error.
Message-Id: <CAEH5T2MdDoyH6GygG6DPBTdK_n=kCOP1xv90BTQf5r0NDNqKhw () mail ! gmail ! com>
X-MARC-Message: https://marc.info/?l=gentoo-user&m=137996281428943

On Mon, Sep 23, 2013 at 1:45 PM, Grant <emailgrant@gmail.com> wrote:
> Can anyone tell me how to decipher this which has appeared in dmesg?
> Google wasn't very helpful.
>
> [Hardware Error]: MC1 Error: Copyback Parity/Victim error.
> [Hardware Error]: Error Status: Corrected error, no action required.
> [Hardware Error]: CPU:3 (10:2:3) MC1_STATUS[-|CE|-|-|-]: 0x9000000000000171
> [Hardware Error]: cache level: L1, tx: INSN, mem-tx: EV

Looks like machine check error, it detected an error in the L1 cache
on your CPU.

Since it says "Corrected error, no action required" I would not worry
about it. If that makes you feel any better. :)