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易陆发现互联网技术论坛»首页 › 操作系统区 › 非桌面系统 › Redhat/Centos Linux系统 › kernel:watchdog: BUG: soft lockup - CPU#4 stuck for ...
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kernel:watchdog: BUG: soft lockup - CPU#4 stuck for 21s!

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发表于 2022-6-10 19:51:08 | 显示全部楼层 |阅读模式

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kernel:watchdog: BUG: soft lockup - CPU#4 stuck for 21s!
6 e- O9 z! u6 \/ NJun 10 19:44:22 compute01 kernel: EDAC MC1: 32353 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
* X& A/ e. ]. z" b6 tJun 10 19:44:23 compute01 kernel: EDAC MC1: 1539 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
2 @/ h, M  u- I8 ]4 z0 f/ EJun 10 19:44:24 compute01 kernel: EDAC MC1: 32267 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)& p5 J$ n' S3 I! }- r; q
Jun 10 19:44:25 compute01 kernel: EDAC MC1: 32271 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)8 v( Z% s- x0 Y2 C% p) v) ]
Jun 10 19:44:26 compute01 kernel: EDAC MC1: 32324 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
. T7 T+ d. X' m& ]2 F( U4 GJun 10 19:44:27 compute01 kernel: EDAC MC1: 1306 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
0 w% S8 h2 q1 h0 I- \* mJun 10 19:44:28 compute01 kernel: EDAC MC1: 31262 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
# j8 R% J7 n3 s# KJun 10 19:44:29 compute01 kernel: EDAC MC1: 1303 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0), O1 I; E/ z; F, H5 d: x7 z3 s
Jun 10 19:44:30 compute01 kernel: EDAC MC1: 31738 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)6 B; n1 k" F/ u" e, p9 ^
Jun 10 19:44:31 compute01 kernel: EDAC MC1: 32400 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
6 D. k( K  x/ D7 u/ |Jun 10 19:44:32 compute01 kernel: EDAC MC1: 1754 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)9 {( p2 Q) X4 W* l( D3 \9 \' G
Jun 10 19:44:33 compute01 kernel: EDAC MC1: 32213 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0), ]1 A3 w( o' p! W/ f6 n) V7 |
Jun 10 19:44:34 compute01 kernel: EDAC MC1: 32034 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
8 ?+ o# }4 b# l: W% d, Q2 cJun 10 19:44:35 compute01 kernel: EDAC MC1: 32453 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
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  d4 s' F5 D) @$ _How to solve EDAC DIMM CE Error$ More /var/log/messageJul 21 08:54:32 customerkernel: EDAC MC1: 5486 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:33 customerkernel: EDAC MC1: 11480 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:34 customerkernel: EDAC MC1: 11330 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:35 customerkernel: EDAC MC1: 6584 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:36 customerkernel: EDAC MC1: 27428 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:37 customerkernel: EDAC MC1: 30113 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:38 customerkernel: EDAC MC1: 4453 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:39 ​​customerkernel: EDAC MC1: 6269 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:40 customer kernel: EDAC MC1: 15720 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1 page: 0x0offset: 0x0 grain: 8 syndrome: 0x0)Jul 21 08:54:41 customerkernel: EDAC MC1: 16107 CE error on CPU # 1Channel # 2_DIMM # ​​1 (channel: 2 slot: 1page: 0x0 offset: 0x0 grain: 8 syndrome: 0x0)Analysis and solution:
* h4 S% p$ v7 p& C/ w  v  MThis is [EDAC (Error Detection AndCorrection] (https://www.kernel.org/doc/Documentation/edac.txt) logs.
3 [) }3 c! N, E& a1 B1 w) gCE Error Correctable Error is referred to, in addition to UE (Uncorrectable Error)
+ I) S' _5 p' @2 Y+ h, j! S! HAccording to the above documents, identify errors DIMM:. X5 s0 j1 q% B
[root @ the Customer log] # grep "[0-9]" / SYS / Devices / System / EDAC / MC / MC * / csrow * / * CH _ce_count/ Sys / devices / system / edac / mc / mc0 / csrow0 / ch0_ce_count: 0/ Sys / devices / system / edac / mc / mc0 / csrow0 / ch1_ce_count: 0/ Sys / devices / system / edac / mc / mc0 / csrow0 / ch2_ce_count: 0/ Sys / devices / system / edac / mc / mc0 / csrow1 / ch0_ce_count: 0/ Sys / devices / system / edac / mc / mc0 / csrow1 / ch1_ce_count: 0/ Sys / devices / system / edac / mc / mc0 / csrow1 / ch2_ce_count: 0/ Sys / devices / system / edac / mc / mc1 / csrow0 / ch0_ce_count: 0/ Sys / devices / system / edac / mc / mc1 / csrow0 / ch1_ce_count: 0/ Sys / devices / system / edac / mc / mc1 / csrow0 / ch2_ce_count: 0/ Sys / devices / system / edac / mc / mc1 / csrow1 / ch0_ce_count: 0/ Sys / devices / system / edac / mc / mc1 / csrow1 / ch1_ce_count: 0/ Sys / devices / system / edac / mc / mc1 / csrow1 / ch2_ce_count: 554836518Found errors in /mc1/csrow1/ch2, according to the chart:& l, [9 T( _0 n$ W$ d6 h+ W9 ~  Q
       Channel 0 Channel 1===================================csrow0 | DIMM_A0 | DIMM_B0 |csrow1 | DIMM_A0 | DIMM_B0 |======================================================================csrow2 | DIMM_A1 | DIMM_B1 |csrow3 | DIMM_A1 | DIMM_B1 |===================================From dmidecode info:
& T$ A0 v+ p1 t[Root @ customer log] # dmidecode -t memory | grep 'Locator: DIMM'       Locator: DIMM_D0       Locator: DIMM_D1       Locator: DIMM_E0       Locator: DIMM_E1       Locator: DIMM_F0       Locator: DIMM_F1       Locator: DIMM_A0       Locator: DIMM_A1       Locator: DIMM_B0       Locator: DIMM_B1       Locator: DIMM_C0       Locator: DIMM_C1From server console to find the memory info:
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: U4 D0 ?+ T9 j% f( \Memory slot on the motherboard of distribution:
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, O4 M  p0 N9 e2 rCombined error log: kernel: EDAC MC1: 16107 CE error on CPU # 1Channel #2_DIMM # ​​1 (channel: 2slot: 1 DIMM_F1 memory slots should be a problem.
* w6 N) J( @1 E0 m) \: MSolution: Finally, what we need to do is to replace F1 memory slot, after the system reboot the memory issue is no longer happening.
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admin
 楼主| 发表于 2022-6-10 19:55:29 | 显示全部楼层
跑大量高负载程序，造成cpu soft lockup。
; }& c8 W$ H& \: }, [& M& o" \4 DSoft lockup就是内核软死锁，这个bug没有让系统彻底死机，但是若干个进程（或者kernel thread）被锁死在了某个状态（一般在内核区域），很多情况下这个是由于内核锁的使用的问题。2 i/ D* F7 L( ]3 l& }8 g
解决办法:
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" X) k* ^3 k" c- D#!/bin/bash
5 K" ^7 v2 T% q* J4 d1 U2 `#修改阈值为30，写入文件
5 q! H. e! S! x5 B1 m% Techo 30 > /proc/sys/kernel/watchdog_thresh
5 w# A$ e8 m, R1 F# {% W; K#修改阈值为30，临时生效6 _# q. t* D% t) @) S+ s& k
sysctl -w kernel.watchdog_thresh=30/ m; b+ {) P  I- D$ {: M

0 {8 ]+ J0 p/ V# D) X, N#修改阈值为30，写入启动文件1 p( K0 U3 t7 N: D& X
grep 'watchdog_thresh' /etc/sysctl.conf8 [5 u8 u. Z6 }# ]+ {# \
if [ $? -ne 0 ]; then& j& F8 \: D+ k5 D, \
        echo "kernel.watchdog_thresh=30" >> /etc/sysctl.conf
; U. u3 n' z, F8 [; felse
* C! e0 N, G: k( q        echo "正常"
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admin
 楼主| 发表于 2022-6-10 21:30:15 | 显示全部楼层
[root@compute01 ~]# grep [0-9] /sys/devices/system/edac/mc/mc*/csrow*/ch*_ce_count
8 b) e, z8 J  S. N/ V/sys/devices/system/edac/mc/mc0/csrow0/ch0_ce_count:02 m1 W- t$ y) X2 m2 W
/sys/devices/system/edac/mc/mc0/csrow0/ch1_ce_count:0& h4 Q& V4 U: a& C
/sys/devices/system/edac/mc/mc0/csrow0/ch2_ce_count:0
1 u# @; b0 O2 R* |8 C' D$ ^/sys/devices/system/edac/mc/mc1/csrow0/ch0_ce_count:00 |, O: g" x% }
/sys/devices/system/edac/mc/mc1/csrow0/ch1_ce_count:176451434
4 O) `0 ?; l# E+ l' l& s) }% J! \# |/sys/devices/system/edac/mc/mc1/csrow0/ch2_ce_count:0
1 n9 _7 M5 O' q7 C[root@compute01 ~]# cd /var/log/9 |1 b: [; h  c& W* ^
[root@compute01 log]# grep [0-9] /sys/devices/system/edac/mc/mc*/csrow*/ch*_ce_count
0 s' g  w" ]6 h2 h/sys/devices/system/edac/mc/mc0/csrow0/ch0_ce_count:0
( T: C3 O, V" k8 K8 \- W/sys/devices/system/edac/mc/mc0/csrow0/ch1_ce_count:0# |* F; A+ o/ L6 k! N
/sys/devices/system/edac/mc/mc0/csrow0/ch2_ce_count:08 n; K6 b! t( c0 ]6 E
/sys/devices/system/edac/mc/mc1/csrow0/ch0_ce_count:0, V9 b) y: }/ y9 \. Y
/sys/devices/system/edac/mc/mc1/csrow0/ch1_ce_count:176582143# l/ J4 J  d) r- r& ]4 r
/sys/devices/system/edac/mc/mc1/csrow0/ch2_ce_count:0
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8 K/ P& S! x  i* Y$ x) }: T8 m5 W; k- ~3 x$ s) _
[root@compute01 log]# dmesg|grep -i error) M, x- Q+ p( C: i. T1 R2 M# q; Z
[15469.396093] core: [Hardware Error]: Machine check events logged! ?/ i' r6 u' U
[15469.397553] EDAC MC1: 628 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)7 h% q% ^, v6 s! E7 C- m' @
[15470.420162] EDAC MC1: 338 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)* E1 ~3 R  O& t3 [! s" ?: B7 p
[15471.444203] EDAC MC1: 916 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
) ^9 l2 Z/ o: L" J" R[15472.404252] EDAC MC1: 31437 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
, @8 `0 Z( M+ u' @# O% ?[15473.428264] EDAC MC1: 628 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)$ ~% s2 s/ m9 _4 y& c" [
[15474.388309] EDAC MC1: 632 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
4 |+ p$ |  b  g[15475.412425] EDAC MC1: 31414 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)+ Z( o2 Y! ?6 V" n( G
[15476.436453] EDAC MC1: 900 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
" A! I& d% a) ?. h1 \[15477.396476] EDAC MC1: 31373 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
/ M/ n, `7 Y0 R9 B0 e[15478.420523] EDAC MC1: 669 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)* C+ z5 s6 v; @+ a! X0 a
[15479.444574] EDAC MC1: 612 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
) D* N3 ~, U1 d! u% a: c/ Y7 s5 k4 f[15480.404592] EDAC MC1: 31720 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
9 S; M* U0 E" q5 E2 P, Y* [[15481.428631] EDAC MC1: 737 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0). m! {1 D, U9 v, o( W$ u) c$ A
[15482.388697] EDAC MC1: 438 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
& G7 d3 X, U# w$ {% G9 f[15483.412732] EDAC MC1: 31431 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
, L  a, T! u) q& e' }) r[15484.436806] EDAC MC1: 1150 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)1 O3 M! G1 ^0 D( ^8 V
[15485.396805] EDAC MC1: 787 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)! g  c% Z- O7 {
[15486.420854] EDAC MC1: 31724 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)# o* u; O6 V1 V% e6 o
[15487.444923] EDAC MC1: 486 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
! P& U) B8 C6 b( W- k[15488.528020] EDAC MC1: 31286 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)1 H( X& u. O! s3 ^
[15489.428983] EDAC MC1: 595 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)$ }7 z1 c% t2 ?0 t9 ~
[15490.389063] EDAC MC1: 482 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
9 o( {+ f$ @" {2 O' y" z) l% K[15491.413089] EDAC MC1: 800 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
# q0 B. p! e9 C2 g[15492.437122] EDAC MC1: 31383 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)6 J4 Y5 D: ^4 h9 b) Z
[15493.397162] EDAC MC1: 626 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
' h8 Q( Y- h" z6 i[15494.421250] EDAC MC1: 475 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
  q3 H0 i! N7 C# t- s/ r[15495.445313] EDAC MC1: 31371 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)1 R5 s. R4 e  m$ G+ [/ ~
[15496.405299] EDAC MC1: 599 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)! o/ {! ~, l* w* w
[15497.429336] EDAC MC1: 498 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)7 Y2 V6 N1 s  H! a9 A
[15498.389388] EDAC MC1: 556 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)7 {  d& ?9 Z' V1 K
[15499.413452] EDAC MC1: 31286 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)- c/ X  K& K- W9 B
[15500.437527] EDAC MC1: 562 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
- B  a: J" B+ Q8 G, b[15501.397514] EDAC MC1: 809 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
3 W$ M6 I0 p  b- h; Y$ |[15502.421630] EDAC MC1: 31237 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)4 o5 U  P2 ]: m4 P
[15503.445669] EDAC MC1: 565 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
3 H( J$ L4 k* n: z[15504.405665] EDAC MC1: 836 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
# x) X  q$ j8 ~[15505.429756] EDAC MC1: 32290 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
% T) @; V% L  O- A/ P[15506.389773] EDAC MC1: 31703 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)4 D7 p- |0 c* |  f
[15507.413826] EDAC MC1: 673 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
4 ?$ }, O+ g9 e8 Q% M[15508.437879] EDAC MC1: 811 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)  b0 A' p  U0 y+ `
[15509.397883] EDAC MC1: 477 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
, {) o* U; H! a$ y% C; q* ~" {+ ~5 D[15510.421954] EDAC MC1: 31283 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)/ H' W# c0 `1 T3 N- _
[15511.446016] EDAC MC1: 505 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
$ u. `9 T9 N+ a* }/ \0 {: u[15512.406017] EDAC MC1: 527 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0). u) Z) w2 X- H! h
[15513.430072] EDAC MC1: 31324 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)9 U6 f  d! d9 Y3 v8 v, c2 y: y
[15514.390136] EDAC MC1: 606 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)" V# Z+ n; r9 B* t  B( M
[15515.414179] EDAC MC1: 550 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
+ q2 ^( e6 R& F  R/ f- O[15516.438248] EDAC MC1: 31641 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)3 t& g, f. P" L
[15517.398265] EDAC MC1: 457 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
8 H. ~1 V# K4 D: A! c" d[15518.422311] EDAC MC1: 506 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)) }6 E4 _" b5 A, v) l* o7 T. V
[15519.446347] EDAC MC1: 520 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0): w( R+ t+ c) ~% l8 d
[15520.406412] EDAC MC1: 31330 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)/ Z% C) ^& i1 T/ j
[15521.430431] EDAC MC1: 821 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
2 E0 y9 |5 [+ p& Z8 h& O: O[15522.390507] EDAC MC1: 483 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)  s( m8 x8 O) T$ c
[15523.414534] EDAC MC1: 31316 CE error on CPU#1Channel#1_DIMM#0 (channel:1 slot:0 page:0x0 offset:0x0 grain:8 syndrome:0x0)
) b. D9 E5 e! c  w' a! X$ l$ G6 }" Q, I2 w; Q
[root@compute01 log]# dmidecode -t memory |grep 'Locator'
$ n' Y# [" M* q8 i- S! a( q Locator: P1-1A/ c5 X  T! }, @2 o5 i# I( g8 t
Bank Locator: BANK09 b" _' q- U: A: M5 z
Locator: P1-1B8 Y3 q7 ?# J; Q/ A# W
Bank Locator: BANK14 b! ~6 E6 Q( \1 Z
Locator: P1-2A* }5 l+ N* p2 I7 h/ x
Bank Locator: BANK2% O2 e. Y+ j' [" P# z# ]% O
Locator: P1-2B
7 N4 U: Z6 z9 }0 Q' H3 w Bank Locator: BANK3
5 m* T# O) R) k8 B Locator: P1-3A
' k/ n$ q/ g' s6 y" ] Bank Locator: BANK4  E1 k: Z0 [# H$ F2 h; [0 Q
Locator: P1-3B- Y! y: f) x2 G; v
Bank Locator: BANK5
0 S' ~6 A9 |; t! d) L1 X Locator: P2-1A8 A# A0 H- z, U9 H
Bank Locator: BANK6
. H% n: M$ \) a! q Locator: P2-1B( G- ^6 c, d9 Z
Bank Locator: BANK7
$ U4 v$ \( }* }& @ Locator: P2-2A  i, ^. \  F* o: a1 V5 z
Bank Locator: BANK8
) G! z8 v- k3 v9 E- U3 M5 b5 o1 E Locator: P2-2B3 I8 m( j3 b; q8 }4 A3 H
Bank Locator: BANK98 {/ S% L* I. @/ Q  G. |0 d
Locator: P2-3A
. W! P# M4 k% ^6 l Bank Locator: BANK10
2 }; I2 c5 j5 c" E, v) p5 b1 I Locator: P2-3B
  s) D( S- b6 [ Bank Locator: BANK11
! x, X3 Z6 ]- s1 G$ @) W- |8 G0 n1 b$ t' b0 T
9 @/ @4 u7 m) [2 p
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