** Also affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1831543
Title:
Standard_A2_v2 Azure instance will have CPU in offline state
Status in ubuntu-kernel-tests:
New
Status in linux-azure package in Ubuntu:
New
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]
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