Gentoo Archives: gentoo-user

From: Ralf Ramsauer <ralf+gentoo@×××××××××××××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] [Hardware Error]: MC1 Error: Copyback Parity/Victim error.
Date: Tue, 24 Sep 2013 10:37:04
Message-Id: 52416B52.308@ramses-pyramidenbau.de
In Reply to: Re: [gentoo-user] [Hardware Error]: MC1 Error: Copyback Parity/Victim error. by Grant
1 A friend of mine told me, that AMD also had some trouble concerning TLB
2 on that architecture (translation lookaside buffer).
3 Unfortunatelly I have no references for that issue.
4
5 I would keep a eye on that error, and if your system must be
6 highly-available, i would even change hardware.
7
8 Regards,
9
10 --
11 Ralf
12
13 On 09/24/13 10:01, Grant wrote:
14 >> I had a deeper look into the kernel sources:
15 >>
16 >> Your error message is exactly thrown by
17 >> static bool k8_mc1_mce(u16 ec, u8 xec)
18 >>
19 >> So probably you have a K8 ;-)
20 >>
21 >> Have a look at:
22 >> http://www.redhat.com/archives/rhelv5-list/2007-October/msg00075.html
23 > I read it, that one sounds like a correctable ECC RAM error.
24 >
25 >> It *might* be an error concerning ECC error correction. Did you recently
26 >> change any hardware?
27 > No hardware changed in a very long time.
28 >
29 >> Could you attach your /proc/cpuinfo?
30 > Sure, I've attached it. I'm changing hosts and machines shortly and
31 > I've only seen this error once so I'm thinking I don't need to take
32 > action.
33 >
34 > - Grant
35 >
36 >
37 >>> I share this opinion.
38 >>> The message says - even if the error was corrected - that there's
39 >>> something dramatically wrong with your - i suppose - CPU.
40 >>> "Corrected error" might imply, that some low-level feature got disabled
41 >>> in order to prevent furher errors.
42 >>>
43 >>> Does this error appear only once at early boot or frequently?
44 >>>
45 >>> Regards,
46 >>> --
47 >>> Ralf
48 >>>
49 >>> On 09/23/13 22:07, Volker Armin Hemmann wrote:
50 >>>> Am 23.09.2013 20:59, schrieb Paul Hartman:
51 >>>>> On Mon, Sep 23, 2013 at 1:45 PM, Grant <emailgrant@×××××.com> wrote:
52 >>>>>> Can anyone tell me how to decipher this which has appeared in dmesg?
53 >>>>>> Google wasn't very helpful.
54 >>>>>>
55 >>>>>> [Hardware Error]: MC1 Error: Copyback Parity/Victim error.
56 >>>>>> [Hardware Error]: Error Status: Corrected error, no action required.
57 >>>>>> [Hardware Error]: CPU:3 (10:2:3) MC1_STATUS[-|CE|-|-|-]: 0x9000000000000171
58 >>>>>> [Hardware Error]: cache level: L1, tx: INSN, mem-tx: EV
59 >>>>> Looks like machine check error, it detected an error in the L1 cache
60 >>>>> on your CPU.
61 >>>>>
62 >>>>> Since it says "Corrected error, no action required" I would not worry
63 >>>>> about it. If that makes you feel any better. :)
64 >>>>>
65 >>>>>
66 >>>> since those errors are rare, I would worry about it.

Replies

Subject Author
Re: [gentoo-user] [Hardware Error]: MC1 Error: Copyback Parity/Victim error. Thanasis <thanasis@××××××××××.org>
Re: [gentoo-user] [Hardware Error]: MC1 Error: Copyback Parity/Victim error. Volker Armin Hemmann <volkerarmin@××××××××××.com>