Sent patch upstream:
https://lists.linux.it/pipermail/ltp/2021-June/023084.html
** Changed in: ubuntu-kernel-tests
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1836166
Title:
cpuhotplug02 in cpuhotplug from ubuntu_ltp failed on C Moonshot ARM64
Status in ubuntu-kernel-tests:
In Progress
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Cosmic:
Confirmed
Bug description:
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 "cpuhotplug02 cpuhotplug02.sh -c 1 -l 1" > /tmp/jobs
sudo /opt/ltp/runltp -f /tmp/jobs
<<<test_output>>>
incrementing stop
Name: cpuhotplug02
Date: Thu Jul 11 08:21:54 UTC 2019
Desc: What happens to a process when its CPU is offlined?
CPU is 1
sh: echo: I/O error
cpuhotplug02 1 TFAIL: process did not change from CPU 1
<<<execution_status>>>
Test passed on ThunderX ARM64, probably a test case issue.
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 08:22:09 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)
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