cpuset_memory_spread from controllers test suite in LTP failed (hog the memory on the unexpected node)

Test failed with:
    cpuset_memory_spread 7 TFAIL: hog the memory on the unexpected node(FilePages_For_Nodes(KB): _0: 2276
_1: 102428, Expect Nodes: 1).

<<<test_start>>>
tag=cpuset_memory_spread stime=1558937747
cmdline=" cpuset_memory_spread_testset.sh"
contacts=""
analysis=exit
<<<test_output>>>
100+0 records in
100+0 records out
104857600 bytes (105 MB, 100 MiB) copied, 0.0993112 s, 1.1 GB/s
cpuset_memory_spread 1 TPASS: Cpuset memory spread page test succeeded.
cpuset_memory_spread 3 TPASS: Cpuset memory spread page test succeeded.
cpuset_memory_spread 5 TPASS: Cpuset memory spread page test succeeded.
cpuset_memory_spread 7 TFAIL: hog the memory on the unexpected node(FilePages_For_Nodes(KB): _0: 2276
_1: 102428, Expect Nodes: 1).
cpuset_memory_spread 9 TPASS: Cpuset memory spread page test succeeded.
cpuset_memory_spread 11 TPASS: Cpuset memory spread page test succeeded.
cpuset_memory_spread 13 TPASS: Cpuset memory spread page test succeeded.
<<<execution_status>>>
initiation_status="ok"
duration=10 termination_type=exited termination_id=1 corefile=no
cutime=364 cstime=383
<<<test_end>>>

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: linux-image-5.0.0-15-generic 5.0.0-15.16
ProcVersionSignature: User Name 5.0.0-15.16-generic 5.0.6
Uname: Linux 5.0.0-15-generic x86_64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116, 1 May 27 05:39 seq
 crw-rw---- 1 root audio 116, 33 May 27 05:39 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
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: Mon May 27 06:16:49 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
MachineType: HP ProLiant DL360 Gen9
PciMultimedia:

ProcFB: 0 mgadrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-15-generic root=UUID=6422cfdd-2a69-4c0b-9784-6809a77ab980 ro
RelatedPackageVersions:
 linux-restricted-modules-5.0.0-15-generic N/A
 linux-backports-modules-5.0.0-15-generic N/A
 linux-firmware 1.178.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/25/2017
dmi.bios.vendor: HP
dmi.bios.version: P89
dmi.board.name: ProLiant DL360 Gen9
dmi.board.vendor: HP
dmi.chassis.type: 23
dmi.chassis.vendor: HP
dmi.modalias: dmi:bvnHP:bvrP89:bd04/25/2017:svnHP:pnProLiantDL360Gen9:pvr:rvnHP:rnProLiantDL360Gen9:rvr:cvnHP:ct23:cvr:
dmi.product.family: ProLiant
dmi.product.name: ProLiant DL360 Gen9
dmi.product.sku: 780020-S01
dmi.sys.vendor: HP