Comment 0 for bug 1813118

This issue was only spotted on Power9 system "balter", for Power8 system, it has passed with this test:

 TAP version 13
 selftests: copy_unaligned
 ========================================
 test: test_copy_unaligned
 tags: git_version:unknown
 !! child died by signal 4
 failure: test_copy_unaligned
 not ok 1..1 selftests: copy_unaligned [FAIL]
 selftests: copy_first_unaligned
 ========================================
 test: test_copy_first_unaligned
 tags: git_version:unknown
 success: test_copy_first_unaligned
 ok 1..2 selftests: copy_first_unaligned [PASS]
 selftests: paste_unaligned
 ========================================
 test: test_paste_unaligned
 tags: git_version:unknown
 !! child died by signal 4
 failure: test_paste_unaligned
 not ok 1..3 selftests: paste_unaligned [FAIL]
 selftests: paste_last_unaligned
 ========================================
 test: test_paste_last_unaligned
 tags: git_version:unknown
 !! child died by signal 4
 failure: test_paste_last_unaligned
 not ok 1..4 selftests: paste_last_unaligned [FAIL]

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-43-generic 4.15.0-43.46
ProcVersionSignature: Ubuntu 4.15.0-43.46-generic 4.15.18
Uname: Linux 4.15.0-43-generic ppc64le
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116, 1 Jan 24 06:50 seq
 crw-rw---- 1 root audio 116, 33 Jan 24 06:50 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: ppc64el
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Date: Thu Jan 24 07:05:20 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 0451:80ff Texas Instruments, Inc.
 Bus 001 Device 004: ID 0557:2419 ATEN International Co., Ltd
 Bus 001 Device 002: ID 0557:7000 ATEN International Co., Ltd Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
PciMultimedia:

ProcFB: 0 astdrmfb
ProcKernelCmdLine: root=UUID=acd1a0d7-f6fc-4130-928c-c8b11ad6e4be ro console=hvc0
ProcLoadAvg: 1.24 0.89 0.66 3/1412 8319
ProcLocks:
 1: POSIX ADVISORY WRITE 3876 00:17:569 0 EOF
 2: FLOCK ADVISORY WRITE 3556 00:17:497 0 EOF
 3: FLOCK ADVISORY WRITE 4090 00:17:596 0 EOF
 4: POSIX ADVISORY WRITE 3955 00:17:571 0 EOF
 5: POSIX ADVISORY WRITE 1823 00:17:348 0 EOF
ProcSwaps:
 Filename Type Size Used Priority
 /swap.img file 8388544 0 -2
ProcVersion: Linux version 4.15.0-43-generic (buildd@bos02-ppc64el-020) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #46-Ubuntu SMP Thu Dec 6 14:43:28 UTC 2018
RelatedPackageVersions:
 linux-restricted-modules-4.15.0-43-generic N/A
 linux-backports-modules-4.15.0-43-generic N/A
 linux-firmware 1.173.3
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
VarLogDump_list: total 0
cpu_cores: Number of cores present = 40
cpu_coreson: Number of cores online = 40
cpu_dscr: DSCR is 3
cpu_freq:
 min: 2.862 GHz (cpu 159)
 max: 2.863 GHz (cpu 1)
 avg: 2.862 GHz
cpu_runmode:
 Could not retrieve current diagnostics mode,
 No kernel interface to firmware
cpu_smt: SMT=4