The x1e.xlarge and m3.large AWS instances report 0-14 as possible CPUs
(/sys/devices/system/cpu/possible) even though they have 4 or 2 CPUs
respectively. This should be fixed with LTP commit 14797491f1cc
("cpuset_hotplug_test.sh: Fix bug for obtaining task_cpus value in
root/generic_cpu_hotplut
Found on focal/aws-5.8 5.8.0-1036.38~20.04.1
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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Observed with focal/linux: 5.4.0-76.85.
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: sru-20210531
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: 5.11 hirsute sru-20210510
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: hwe-5.4
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags removed: ibm-gt
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: hwe-5.8
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: sru-20210412
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: ibm-gt
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: hwe
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: sru-20210315
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: sru-20210222
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: fips sru-20210125
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: sru-20210104
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: 5.8 groovy sru-20201109
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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Spotted on Focal/linux-azure 5.4.0-1029.29
** Tags added: azure
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: aws
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: sru-20200921
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Also affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux-azure (Ubuntu Disco)
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-aws (Ubuntu Focal)
Importance: Undecided
Status:
** Changed in: linux-aws (Ubuntu Disco)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Disco)
Status: New => Won't Fix
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Found on Focal KVM 5.4.0-1016.16
** Tags added: sru-20200608
** Tags added: 5.4 focal
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Title:
cpuset_hotplug from controllers in ubuntu_ltp
** Tags added: sru-20200316
** Changed in: ubuntu-kernel-tests
Status: New => Triaged
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Title:
cpuset_hotplug from controllers in
** Tags added: sru-20200217
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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** Tags added: sru-20200127
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Title:
cpuset_hotplug from controllers in ubuntu_ltp failed
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This bug is also found in linux-aws on Bionic,4.15.0-1057.59-aws
266.12/05 10:33:23 DEBUG| utils:0153| [stdout] startup='Thu Dec 5 10:28:50
2019'
99267. 12/05 10:33:23 DEBUG| utils:0153| [stdout] cpuset_hotplug 1 TFAIL:
task's allowed list isn't expected.(Result: 0-14, Expect: 0-1)
99268.
** Changed in: linux (Ubuntu Disco)
Assignee: (unassigned) => AaronMa (mapengyu)
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Title:
cpuset_hotplug from controllers in ubuntu_ltp
** Changed in: linux (Ubuntu Cosmic)
Status: New => Invalid
** Summary changed:
- cpuset_hotplug from controllers in ubuntu_ltp failed on C/D
+ cpuset_hotplug from controllers in ubuntu_ltp failed on D with node amaura
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** Summary changed:
- cpuset_hotplug from controllers in ubuntu_ltp failed on Cosmic
+ cpuset_hotplug from controllers in ubuntu_ltp failed on C/D
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Found on node "amaura" with Disco kernel.
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Tags added: sru-20190701
** Tags added: 4.18 5.0 disco
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Failed on ARM64 Moonshot node with Operation Not Supported:
<<>>
tag=cpuset_hotplug stime=1562841086
cmdline="cpuset_hotplug_test.sh"
contacts=""
analysis=exit
<<>>
incrementing stop
cpuset_hotplug 1 TINFO: /bin/echo: write error: Operation not supported
cpuset_hotplug 1 TFAIL: CPU#1 failed.
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