open14 in ubuntu_ltp_syscalls failed with T (Power8)

This issue can only be reproduced on Power8 node:

<<<test_start>>>
tag=open14 stime=1539683773
cmdline="open14"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
open14 1 TBROK : open14.c:58: open() failed: errno=EINVAL(22): Invalid argument
open14 2 TBROK : open14.c:58: Remaining cases broken
<<<execution_status>>>
initiation_status="ok"
duration=0 termination_type=exited termination_id=2 corefile=no
cutime=0 cstime=0
<<<test_end>>>

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-160-generic 3.13.0-160.210
ProcVersionSignature: User Name 3.13.0-160.210-generic 3.13.11-ckt39
Uname: Linux 3.13.0-160-generic ppc64le
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: ppc64el
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
CurrentDmesg:
 [ 75.881756] tg3 0003:05:00.0 enP3p5s0f0: Link is up at 1000 Mbps, full duplex
 [ 75.881762] tg3 0003:05:00.0 enP3p5s0f0: Flow control is off for TX and off for RX
 [ 75.881765] tg3 0003:05:00.0 enP3p5s0f0: EEE is disabled
 [ 75.881788] IPv6: ADDRCONF(NETDEV_CHANGE): enP3p5s0f0: link becomes ready
 [ 656.832585] LTP: starting open14
Date: Tue Oct 16 09:56:22 2018
Lsusb:
 Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
PciMultimedia:

ProcFB:

ProcKernelCmdLine: root=/dev/mapper/mpath0-part2 ro console=hvc0
ProcLoadAvg: 0.08 0.07 0.08 1/1034 3981
ProcLocks:
 1: POSIX ADVISORY WRITE 3027 00:11:28789 0 EOF
 2: POSIX ADVISORY WRITE 3146 00:11:90135 0 EOF
 3: POSIX ADVISORY WRITE 3176 00:11:95241 0 EOF
 4: FLOCK ADVISORY WRITE 3093 00:11:89096 0 EOF
ProcSwaps:
 Filename Type Size Used Priority
 /swap.img file 8388544 0 -1
ProcVersion: Linux version 3.13.0-160-generic (buildd@bos02-ppc64el-007) (gcc version 4.8.4 (User Name 4.8.4-2ubuntu1~14.04.4) ) #210-User Name SMP Mon Sep 24 18:06:36 UTC 2018
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-160-generic N/A
 linux-backports-modules-3.13.0-160-generic N/A
 linux-firmware 1.127.24
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT=8