Comment 7 for bug 1848127

------- Comment From <email address hidden> 2019-10-16 02:27 EDT-------
Then executed the test again with the eoan kernel installed on the system.

root@ltc-wspoon11:~# uname -a
Linux ltc-wspoon11 5.3.0-18-generic #19~lp1848127+build.2-Ubuntu SMP Tue Oct 15 22:29:26 UTC 2019 ppc64le ppc64le ppc64le GNU/Linux

root@ltc-wspoon11:~# ./probe_cpus.sh -L
CHIP ID: 0 CORE ID: 0 THREADS: 4 CPUs: 0 1 2 3
CHIP ID: 0 CORE ID: 1 THREADS: 4 CPUs: 4 5 6 7
CHIP ID: 0 CORE ID: 2 THREADS: 4 CPUs: 8 9 10 11
CHIP ID: 0 CORE ID: 3 THREADS: 4 CPUs: 12 13 14 15
CHIP ID: 0 CORE ID: 6 THREADS: 4 CPUs: 16 17 18 19
CHIP ID: 0 CORE ID: 7 THREADS: 4 CPUs: 20 21 22 23
CHIP ID: 0 CORE ID: 8 THREADS: 4 CPUs: 24 25 26 27
CHIP ID: 0 CORE ID: 9 THREADS: 4 CPUs: 28 29 30 31
CHIP ID: 0 CORE ID: 10 THREADS: 4 CPUs: 32 33 34 35
CHIP ID: 0 CORE ID: 11 THREADS: 4 CPUs: 36 37 38 39
CHIP ID: 0 CORE ID: 12 THREADS: 4 CPUs: 40 41 42 43
CHIP ID: 0 CORE ID: 13 THREADS: 4 CPUs: 44 45 46 47
CHIP ID: 0 CORE ID: 16 THREADS: 4 CPUs: 48 49 50 51
CHIP ID: 0 CORE ID: 17 THREADS: 4 CPUs: 52 53 54 55
CHIP ID: 0 CORE ID: 18 THREADS: 4 CPUs: 56 57 58 59
CHIP ID: 0 CORE ID: 19 THREADS: 4 CPUs: 60 61 62 63
CHIP ID: 0 CORE ID: 20 THREADS: 4 CPUs: 64 65 66 67
CHIP ID: 0 CORE ID: 21 THREADS: 4 CPUs: 68 69 70 71
CHIP ID: 8 CORE ID: 6 THREADS: 4 CPUs: 72 73 74 75
CHIP ID: 8 CORE ID: 7 THREADS: 4 CPUs: 76 77 78 79
CHIP ID: 8 CORE ID: 8 THREADS: 4 CPUs: 80 81 82 83
CHIP ID: 8 CORE ID: 9 THREADS: 4 CPUs: 84 85 86 87
CHIP ID: 8 CORE ID: 10 THREADS: 4 CPUs: 88 89 90 91
CHIP ID: 8 CORE ID: 11 THREADS: 4 CPUs: 92 93 94 95
CHIP ID: 8 CORE ID: 12 THREADS: 4 CPUs: 96 97 98 99
CHIP ID: 8 CORE ID: 13 THREADS: 4 CPUs: 100 101 102 103
CHIP ID: 8 CORE ID: 14 THREADS: 4 CPUs: 104 105 106 107
CHIP ID: 8 CORE ID: 15 THREADS: 4 CPUs: 108 109 110 111
CHIP ID: 8 CORE ID: 16 THREADS: 4 CPUs: 112 113 114 115
CHIP ID: 8 CORE ID: 17 THREADS: 4 CPUs: 116 117 118 119
CHIP ID: 8 CORE ID: 18 THREADS: 4 CPUs: 120 121 122 123
CHIP ID: 8 CORE ID: 19 THREADS: 4 CPUs: 124 125 126 127
CHIP ID: 8 CORE ID: 20 THREADS: 4 CPUs: 128 129 130 131
CHIP ID: 8 CORE ID: 21 THREADS: 4 CPUs: 132 133 134 135
CHIP ID: 8 CORE ID: 22 THREADS: 4 CPUs: 136 137 138 139
CHIP ID: 8 CORE ID: 23 THREADS: 4 CPUs: 140 141 142 143

-----------------------------
p[0]
eq[0,1,2,3,4,5]
ex[0,1,3,4,5,6,8,9,10]
c[0,1,2,3,6,7,8,9,10,11,12,13,16,17,18,19,20,21]
p[8]
eq[1,2,3,4,5]
ex[3,4,5,6,7,8,9,10,11]
c[6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23]
-----------------------------

----------Processor Layout-------------------
p[0]
+---EQ00----+ +---EQ02----+ +---EQ04----+
|EX-0 C0 | |EX-4 C8 | |EX-8 C16|
+ - - - - - + + - - - - - + + - - - - - +
|EX-0 C1 | |EX-4 C9 | |EX-8 C17|
+ - - - - - + + - - - - - + + - - - - - +
|EX-1 C2 | |EX-5 C10| |EX-9 C18|
+ - - - - - + + - - - - - + + - - - - - +
|EX-1 C3 | |EX-5 C11| |EX-9 C19|
+-----------+ +-----------+ +-----------+

+---EQ01----+ +---EQ03----+ +---EQ05----+
| | |EX-6 C12| |EX-10 C20|
+ - - - - - + + - - - - - + + - - - - - +
| | |EX-6 C13| |EX-10 C21|
+ - - - - - + + - - - - - + + - - - - - +
|EX-3 C6 | | | | |
+ - - - - - + + - - - - - + + - - - - - +
|EX-3 C7 | | | | |
+-----------+ +-----------+ +-----------+

p[8]
+---EQ00----+ +---EQ02----+ +---EQ04----+
| | |EX-4 C8 | |EX-8 C16|
+ - - - - - + + - - - - - + + - - - - - +
| | |EX-4 C9 | |EX-8 C17|
+ - - - - - + + - - - - - + + - - - - - +
| | |EX-5 C10| |EX-9 C18|
+ - - - - - + + - - - - - + + - - - - - +
| | |EX-5 C11| |EX-9 C19|
+-----------+ +-----------+ +-----------+

+---EQ01----+ +---EQ03----+ +---EQ05----+
| | |EX-6 C12| |EX-10 C20|
+ - - - - - + + - - - - - + + - - - - - +
| | |EX-6 C13| |EX-10 C21|
+ - - - - - + + - - - - - + + - - - - - +
|EX-3 C6 | |EX-7 C14| |EX-11 C22|
+ - - - - - + + - - - - - + + - - - - - +
|EX-3 C7 | |EX-7 C15| |EX-11 C23|
+-----------+ +-----------+ +-----------+

root@ltc-wspoon11:~# ./statedisable.sh
./statedisable.sh: line 10: /sys/devices/system/cpu/cpu*/cpuidle/state7/disable: No such file or directory
./statedisable.sh: line 11: /sys/devices/system/cpu/cpu*/cpuidle/state8/disable: No such file or directory

root@ltc-wspoon11:~# cpupower idle-info
CPUidle driver: powernv_idle
CPUidle governor: menu
analyzing CPU 0:

Number of idle states: 7
Available idle states: snooze stop0_lite stop0 stop1 stop2 stop4 stop5
snooze (DISABLED) :
Flags/Description: snooze
Latency: 0
Usage: 17
Duration: 262
stop0_lite (DISABLED) :
Flags/Description: stop0_lite
Latency: 1
Usage: 7
Duration: 14921
stop0 (DISABLED) :
Flags/Description: stop0
Latency: 2
Usage: 109
Duration: 18343
stop1 (DISABLED) :
Flags/Description: stop1
Latency: 5
Usage: 19
Duration: 1738
stop2:
Flags/Description: stop2
Latency: 10
Usage: 3493
Duration: 244396847
stop4 (DISABLED) :
Flags/Description: stop4
Latency: 100
Usage: 167
Duration: 1860153
stop5 (DISABLED) :
Flags/Description: stop5
Latency: 200
Usage: 727
Duration: 97069364

root@ltc-wspoon11:~# ./run_workload.sh

root@ltc-wspoon11:~# ./scom_addr_p9.sh 0x1001080c 15
EQ[ 3]: 0x1301080c
EX[ 7]: 0x13010c0c
C[15]: 0x3f01080c
root@ltc-wspoon11:~# ./skiboot/external/xscom-utils/getscom -c 0x8 0x13010c0c
0000000000000000
root@ltc-wspoon11:~# ./skiboot/external/xscom-utils/putscom -c 0x8 0x13010c0c 0c00000000000000
0c00000000000000

The Linux Host did not stop pinging after the above Machine Check error is injected and checkstop got triggered accordingly.