Gentoo Archives: gentoo-user

From: Sebas Pedersen <sebasped@×××××××××××.org>
To: Volker Armin Hemmann <volkerarmin@××××××××××.com>
Cc: gentoo-user@l.g.o
Subject: Re: [gentoo-user] MCE error
Date: Sat, 28 Mar 2015 22:48:58
Message-Id: bf7ff5f7d285a4490184da949c5b2ab9@openmailbox.org
In Reply to: Re: [gentoo-user] MCE error by Volker Armin Hemmann
1 On 28-03-2015 07:37 PM, Volker Armin Hemmann wrote:
2 > Am 28.03.2015 um 23:00 schrieb Sebas Pedersen:
3 >> On 28-03-2015 06:45 PM, Volker Armin Hemmann wrote:
4 >>> Am 28.03.2015 um 14:58 schrieb Sebas Pedersen:
5 >>>> Hi guys,
6 >>>>
7 >>>> From a few days ago I am experimenting an MCE error.
8 >>>> Sometimes I turn on the computer and at some point while booting the
9 >>>> kernel (after the grub menu) just freezes and puts this:
10 >>>>
11 >>>> CPU 0: Machine Check Exception: 4 Bank 4: b200000000070f0f
12 >>>> TSC f5acc9180
13 >>>> PROCESSOR 2:20fc2 TIME 1427486735 SOCKET 0 APIC 0 microcode 0
14 >>>>
15 >>>> the number for TSC may vary, but the b200000000070f0f it's always
16 >>>> the
17 >>>> same (at least for now). The error message suggest to parse the
18 >>>> above
19 >>>> error with mcelog. I did that and the result was:
20 >>>>
21 >>>> Hardware event. This is not a software error.
22 >>>> CPU 0 4 northbridge TSC f5acc9180
23 >>>> TIME 1427486735 Fri Mar 27 17:05:35 2015
24 >>>> Northbridge Watchdog error
25 >>>> bit57 = processor context corrupt
26 >>>> bit61 = error uncorrected
27 >>>> bus error 'generic participation, request timed out
28 >>>> generic error mem transaction
29 >>>> generic access, level generic'
30 >>>> STATUS b200000000070f0f MCGSTATUS 4
31 >>>> CPUID Vendor AMD Family 15 Model 44
32 >>>> SOCKET 0 APIC 0 microcode 0
33 >>>>
34 >>>> The error suggest it's a hardware problem. I replace de RAM with no
35 >>>> luck. Same error keeps happening.
36 >>>>
37 >>>> Any suggestion for identifying the problem or how to procede?
38 >>>>
39 >>>> Many thanks in advance!
40 >>>>
41 >>>> Sebas
42 >>>>
43 >>>>
44 >>>
45 >>> bios update/microcode update. A google search suggests that you have
46 >>> run
47 >>> into an errata.
48 >>
49 >> Oh OK, thank you. Must have miss that in the search. So you are saying
50 >> that the error comes from a bios errata (and don't know what microdode
51 >> is), and the fix is to update bios?
52 >
53 > no, possibly from a CPU errata and a bios update might bring in the
54 > microcode update that works around that.
55
56 I see, thanks for clarifying that. So looks like not too many options,
57 either try to update the bios and/or replace the CPU.
58
59 I really appreciated you replys and time.
60
61 Thanks!,
62 Sebas

Replies

Subject Author
Re: [gentoo-user] MCE error Mick <michaelkintzios@×××××.com>
Re: [gentoo-user] MCE error Frank Steinmetzger <Warp_7@×××.de>
Re: [gentoo-user] MCE error Fernando Rodriguez <frodriguez.developer@×××××××.com>