cpuhotplug06 in cpuhotplug from ubuntu_ltp failed on C ARM64

Bug #1836170 reported by Po-Hsu Lin on 2019-07-11
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Undecided
Unassigned
Cosmic
Undecided
Unassigned

Bug Description

This issue was only spotted on Moonshot ARM64, probably a test case issue:

<<<test_output>>>
incrementing stop
Name: cpuhotplug06
Date: Thu Jul 11 08:38:03 UTC 2019
Desc: Does top work properly when CPU hotplug events occur?

CPU is 1
sh: echo: I/O error
cpuhotplug06 1 TBROK: CPU1 cannot be offlined
 5221 pts/0 00:00:00 top
<<<execution_status>>>
initiation_status="ok"
duration=1 termination_type=exited termination_id=2 corefile=no
cutime=2 cstime=1
<<<test_end>>>

Steps to run this test:
  git clone --depth=1 https://github.com/linux-test-project/ltp.git
  cd ltp; make autotools; ./configure; make; sudo make install
  echo "cpuhotplug06 cpuhotplug06.sh -c 1 -l 1" > /tmp/jobs
  sudo /opt/ltp/runltp -f /tmp/jobs

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-25-generic 4.18.0-25.26
ProcVersionSignature: User Name 4.18.0-25.26-generic 4.18.20
Uname: Linux 4.18.0-25-generic aarch64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116, 1 Jul 11 06:57 seq
 crw-rw---- 1 root audio 116, 33 Jul 11 06:57 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.10-0ubuntu13.4
Architecture: arm64
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 Jul 11 08:30:02 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb: Error: command ['lsusb'] failed with exit code 1:
PciMultimedia:

ProcFB:

ProcKernelCmdLine: console=ttyS0,9600n8r ro
RelatedPackageVersions:
 linux-restricted-modules-4.18.0-25-generic N/A
 linux-backports-modules-4.18.0-25-generic N/A
 linux-firmware 1.175.6
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)

Po-Hsu Lin (cypressyew) wrote :
tags: added: sru-20190701 ubuntu-ltp

This change was made by a bot.

Changed in linux (Ubuntu):
status: New → Confirmed
Changed in linux (Ubuntu Cosmic):
status: New → Confirmed
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