Re: decoding further a Machine Check Excepton
Michael Tinsay <tinsami1-/[email protected]> Thu, 27 Oct 2016 07:45:15 +0000 (UTC)
| Newsgroups | gmane.org.user-groups.linux.philippine |
|---|---|
| Message-ID | <[email protected]> |
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Thanks fooler and Edwin,
I ran memtest and mestester on the server for several days each and both di=
dn't find any problem with the memory modules installed.
--- mike t.
From: fooler mail <[email protected]>
To: Michael Tinsay <tinsami1-/[email protected]>; Philippine Linux Users' Group (PL=
UG) Technical Discussion List <[email protected]>=20
Sent: Wednesday, 26 October 2016, 9:05
Subject: Re: [plug] decoding further a Machine Check Excepton
=20
it looks like a memory error to me... can you remove the memory at
bank 8 if that solves the problem?
fooler.
On Mon, Oct 24, 2016 at 9:31 PM, Michael Tinsay <tinsami1-/[email protected]> wrote:
> Hi!
>
> Yesterday one of our servers had this on the console:
>
> [ 1184.087973] mce: [Hardware Error]: CPU 0: Machine Check Exception: 4 B=
ank
> 8: ba000000000000b2
> [ 1184.087973] mce: [Hardware Error]: TSC 3a3965b65c0 MISC 80000
> [ 1184.087973] mce: [Hardware Error]: PROCESSOR 0:206c2 TIME 1477301538
> SOCKET 0 APIC 0 microcode 2
> [ 1184.087973] mce: [Hardware Error]: Machine check: Processor context
> corrupt
>
> So I did some research and found out that I can use an app named mcelog t=
o
> decode this.=C2=A0 This was the output from it:
>
> Hardware event. This is not a software error.
> CPU 0 BANK 8 TSC 3a3965b65c0
> MISC 80000
> TIME 1477301538 Mon Oct 24 17:32:18 2016
> MCG status:MCIP
> MCi status:
> Uncorrected error
> Error enabled
> MCi_MISC register valid
> Processor context corrupt
> MCA: MEMORY CONTROLLER AC_CHANNEL2_ERR
> Transaction: Address/Command error
> Memory corrected error count (CORE_ERR_CNT): 0
> Memory transaction Tracker ID (RTId): 0
> Memory DIMM ID of error: 0
> Memory channel ID of error: 2
> Memory ECC syndrome: 0
> STATUS ba000000000000b2 MCGSTATUS 4
> CPUID Vendor Intel Family 6 Model 44
> SOCKET 0 APIC 0 microcode 2
> tinsaymc@IT-046641:~$=C2=A0 cat mce.txt
> CPU 0: Machine Check Exception: 4 Bank 8: ba000000000000b2
> TSC 3a3965b65c0 MISC 80000
> PROCESSOR 0:206c2 TIME 1477301538 SOCKET 0 APIC 0 microcode 2
>
> So my question now, for those who know more about this area than I, is:=
=C2=A0 Is
> the exception due to a problem in the CPU itself or somewhere on the
> motherboard?
>
> Regards.
>
>
> --- mike t.
>
> _________________________________________________
> Philippine Linux Users' Group (PLUG) Mailing List
> http://lists.linux.org.ph/mailman/listinfo/plug
> Searchable Archives: http://archives.free.net.ph
=20
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<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:Courier New, courier, monaco, monospace, sans-serif;font-size:10=
px"><div id=3D"yui_3_16_0_ym19_1_1477553090514_16133"><span></span></div><d=
iv id=3D"yui_3_16_0_ym19_1_1477553090514_16304" class=3D"qtdSeparateBR"><di=
v id=3D"yui_3_16_0_ym19_1_1477553090514_16309">Thanks fooler and Edwin,</di=
v><div id=3D"yui_3_16_0_ym19_1_1477553090514_16475"><br></div><div id=3D"yu=
i_3_16_0_ym19_1_1477553090514_16476" dir=3D"ltr">I ran memtest and mesteste=
r on the server for several days each and both didn't find any problem with=
the memory modules installed.</div><div id=3D"yui_3_16_0_ym19_1_1477553090=
514_16625" dir=3D"ltr"><br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr=
">--- mike t.<br></div><br></div><div style=3D"display: block;" id=3D"yui_3=
_16_0_ym19_1_1477553090514_16422" class=3D"yahoo_quoted"> <div id=3D"yui_3=
_16_0_ym19_1_1477553090514_16421" style=3D"font-family: Courier New, courie=
r, monaco, monospace, sans-serif; font-size: 10px;"> <div id=3D"yui_3_16_0_=
ym19_1_1477553090514_16420" style=3D"font-family: HelveticaNeue, Helvetica =
Neue, Helvetica, Arial, Lucida Grande, Sans-Serif; font-size: 16px;"> <div =
id=3D"yui_3_16_0_ym19_1_1477553090514_16424" dir=3D"ltr"> <font id=3D"yui_3=
_16_0_ym19_1_1477553090514_16477" face=3D"Arial" size=3D"2"> <hr size=3D"1"=
> <b><span style=3D"font-weight:bold;">From:</span></b> fooler mail <foo=
[email protected]><br> <b id=3D"yui_3_16_0_ym19_1_1477553090514_16485">=
<span id=3D"yui_3_16_0_ym19_1_1477553090514_16484" style=3D"font-weight: bo=
ld;">To:</span></b> Michael Tinsay <tinsami1-/[email protected]>; Philippine L=
inux Users' Group (PLUG) Technical Discussion List <plug-cunTk1MwBs/[email protected]=
.ph> <br> <b id=3D"yui_3_16_0_ym19_1_1477553090514_16479"><span id=3D"yu=
i_3_16_0_ym19_1_1477553090514_16478" style=3D"font-weight: bold;">Sent:</sp=
an></b> Wednesday, 26 October 2016, 9:05<br> <b><span style=3D"font-weight:=
bold;">Subject:</span></b> Re: [plug] decoding further a Machine Check Exc=
epton<br> </font> </div> <div id=3D"yui_3_16_0_ym19_1_1477553090514_16419" =
class=3D"y_msg_container"><br>it looks like a memory error to me... can you=
remove the memory at<br clear=3D"none">bank 8 if that solves the problem?<=
br clear=3D"none"><br clear=3D"none">fooler.<br clear=3D"none"><div class=
=3D"yqt7813043295" id=3D"yqtfd63577"><br clear=3D"none">On Mon, Oct 24, 201=
6 at 9:31 PM, Michael Tinsay <<a id=3D"yui_3_16_0_ym19_1_1477553090514_1=
6423" shape=3D"rect" ymailto=3D"mailto:tinsami1-/[email protected]" href=3D"mailto:t=
insami1-/[email protected]">tinsami1-/[email protected]</a>> wrote:<br clear=3D"none">>=
Hi!<br clear=3D"none">><br clear=3D"none">> Yesterday one of our ser=
vers had this on the console:<br clear=3D"none">><br clear=3D"none">>=
[ 1184.087973] mce: [Hardware Error]: CPU 0: Machine Check Exception: 4 Ba=
nk<br clear=3D"none">> 8: ba000000000000b2<br clear=3D"none">> [ 1184=
.087973] mce: [Hardware Error]: TSC 3a3965b65c0 MISC 80000<br clear=3D"none=
">> [ 1184.087973] mce: [Hardware Error]: PROCESSOR 0:206c2 TIME 1477301=
538<br clear=3D"none">> SOCKET 0 APIC 0 microcode 2<br clear=3D"none">&g=
t; [ 1184.087973] mce: [Hardware Error]: Machine check: Processor context<b=
r clear=3D"none">> corrupt<br clear=3D"none">><br clear=3D"none">>=
So I did some research and found out that I can use an app named mcelog to=
<br clear=3D"none">> decode this. This was the output from it:<br =
clear=3D"none">><br clear=3D"none">> Hardware event. This is not a so=
ftware error.<br clear=3D"none">> CPU 0 BANK 8 TSC 3a3965b65c0<br clear=
=3D"none">> MISC 80000<br clear=3D"none">> TIME 1477301538 Mon Oct 24=
17:32:18 2016<br clear=3D"none">> MCG status:MCIP<br clear=3D"none">>=
; MCi status:<br clear=3D"none">> Uncorrected error<br clear=3D"none">&g=
t; Error enabled<br clear=3D"none">> MCi_MISC register valid<br clear=3D=
"none">> Processor context corrupt<br clear=3D"none">> MCA: MEMORY CO=
NTROLLER AC_CHANNEL2_ERR<br clear=3D"none">> Transaction: Address/Comman=
d error<br clear=3D"none">> Memory corrected error count (CORE_ERR_CNT):=
0<br clear=3D"none">> Memory transaction Tracker ID (RTId): 0<br clear=
=3D"none">> Memory DIMM ID of error: 0<br clear=3D"none">> Memory cha=
nnel ID of error: 2<br clear=3D"none">> Memory ECC syndrome: 0<br clear=
=3D"none">> STATUS ba000000000000b2 MCGSTATUS 4<br clear=3D"none">> C=
PUID Vendor Intel Family 6 Model 44<br clear=3D"none">> SOCKET 0 APIC 0 =
microcode 2<br clear=3D"none">> <a shape=3D"rect" ymailto=3D"mailto:tins=
aymc@IT-046641" href=3D"mailto:tinsaymc@IT-046641">tinsaymc@IT-046641</a>:~=
$ cat mce.txt<br clear=3D"none">> CPU 0: Machine Check Exception: =
4 Bank 8: ba000000000000b2<br clear=3D"none">> TSC 3a3965b65c0 MISC 8000=
0<br clear=3D"none">> PROCESSOR 0:206c2 TIME 1477301538 SOCKET 0 APIC 0 =
microcode 2<br clear=3D"none">><br clear=3D"none">> So my question no=
w, for those who know more about this area than I, is: Is<br clear=3D=
"none">> the exception due to a problem in the CPU itself or somewhere o=
n the<br clear=3D"none">> motherboard?<br clear=3D"none">><br clear=
=3D"none">> Regards.<br clear=3D"none">><br clear=3D"none">><br cl=
ear=3D"none">> --- mike t.</div><br clear=3D"none">><br clear=3D"none=
">> _________________________________________________<br clear=3D"none">=
> Philippine Linux Users' Group (PLUG) Mailing List<br clear=3D"none">&g=
t; <a shape=3D"rect" href=3D"http://lists.linux.org.ph/mailman/listinfo/plu=
g" target=3D"_blank">http://lists.linux.org.ph/mailman/listinfo/plug</a><br=
clear=3D"none">> Searchable Archives: <a shape=3D"rect" href=3D"http://=
archives.free.net.ph/" target=3D"_blank">http://archives.free.net.ph</a><di=
v class=3D"yqt7813043295" id=3D"yqtfd33774"><br clear=3D"none"></div><br><b=
r></div> </div> </div> </div></div></body></html>
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_________________________________________________
Philippine Linux Users' Group (PLUG) Mailing List
http://lists.linux.org.ph/mailman/listinfo/plug
Searchable Archives: http://archives.free.net.ph
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