cpuhotplug from ubuntu_ltp failed for cpuhotplug02 cpuhotplug03 cpuhotplug04 cpuhotplug06
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-kernel-tests |
In Progress
|
Undecided
|
Krzysztof Kozlowski | ||
linux-azure (Ubuntu) |
New
|
Undecided
|
Unassigned | ||
Trusty |
New
|
Undecided
|
Unassigned | ||
Xenial |
New
|
Undecided
|
Unassigned | ||
Bionic |
New
|
Undecided
|
Unassigned | ||
linux-azure-4.15 (Ubuntu) |
New
|
Undecided
|
Unassigned | ||
Trusty |
New
|
Undecided
|
Unassigned | ||
Xenial |
New
|
Undecided
|
Unassigned | ||
Bionic |
New
|
Undecided
|
Unassigned |
Bug Description
cpuhotplug02:
Name: cpuhotplug02
Date: Tue Mar 30 13:32:56 UTC 2021
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
tag=
startup='Tue Mar 30 13:33:06 2021'
cpuhotplug03:
Name: cpuhotplug03
Date: Tue Mar 30 13:33:06 UTC 2021
Desc: Do tasks get scheduled to a newly on-lined CPU?
CPU is 1
sh: echo: I/O error
cpuhotplug03 1 TBROK: CPU1 cannot be offlined
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 20613 0.0 0.0 4636 864 ? R 13:33 0:00 /bin/sh /opt/ltp/
root 20614 0.0 0.0 4636 812 ? R 13:33 0:00 /bin/sh /opt/ltp/
root 20615 0.0 0.0 4636 812 ? R 13:33 0:00 /bin/sh /opt/ltp/
root 20616 0.0 0.0 4636 880 ? R 13:33 0:00 /bin/sh /opt/ltp/
root 20620 0.0 0.0 14864 1092 ? S 13:33 0:00 grep cpuhotplug_
cpuhotplug03 1 TINFO: Onlining CPU 1
1 /bin/sh /opt/ltp/
1 /bin/sh /opt/ltp/
0 /bin/sh /opt/ltp/
0 /bin/sh /opt/ltp/
cpuhotplug03 1 TPASS: 2 cpuhotplug_
tag=
startup='Tue Mar 30 13:33:08 2021'
cpuhotplug04:
Name: cpuhotplug04
Date: Tue Mar 30 13:33:08 UTC 2021
Desc: Does it prevent us from offlining the last CPU?
sh: echo: I/O error
cpuhotplug04 1 TFAIL: Could not offline cpu1
tag=
startup='Tue Mar 30 13:33:08 2021'
cpuhotplug06
Name: cpuhotplug06
Date: Tue Mar 30 13:33:08 UTC 2021
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
20913 ? 00:00:00 top
tag=
startup='Tue Mar 30 13:33:15 2021'
tags: | added: 5.4 sru-20210510 |
Seen with linux-azure-4.15 4.15.0-1112.125 and its derivatives for cycle sru-20210315 but also for sru-20210222.