Standard_A2_v2 Azure instance will have CPU in offline state
Bug #1831543 reported by
Po-Hsu Lin
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-kernel-tests |
Won't Fix
|
Undecided
|
Unassigned | ||
linux-azure (Ubuntu) |
Won't Fix
|
Undecided
|
Unassigned |
Bug Description
This needs to be investigated to see if it's been disabled intentionally.
The cpu-hot-plug test shows there are 126 offlined CPUs.
selftests: cpu-on-off-test.sh
======
pid 9824's current affinity mask: 3
pid 9824's new affinity mask: 1
CPU online/offline summary:
present_cpus = 0-1 present_max = 1
Cpus in online state: 0-1
Cpus in offline state: 2-127
Limited scope test: one hotplug cpu
(leaves cpu in the original state):
online to offline to online: cpu 1
not ok 1..1 selftests: cpu-on-off-test.sh [FAIL]
tags: | added: azure |
tags: | added: ubuntu-kernel-selftests |
tags: | added: sru-20191111 |
tags: | added: amd64 |
Changed in ubuntu-kernel-tests: | |
status: | New → Won't Fix |
Changed in linux-azure (Ubuntu): | |
status: | New → Won't Fix |
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Hi, Sam. Does that only happen in this specific instance type? Can you provide more details? Thanks