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Message #94436
[Bug 2077228] [NEW] libvirt reports powerd down CPUs as being on socket 0 regardless of their real socket
Public bug reported:
This is more of a libvirt (or maybe even lower down in the kernel) bug,
but the consequence of $topic's reporting is that if libvirt CPU power
management is enabled, we mess up our NUMA accounting because we have
the wrong socket for some/all of our dedicated CPUs, depending on
whether they were online or not when we called get_capabilities().
Initially found by internal Red Hat testing, and reported here:
https://issues.redhat.com/browse/OSPRH-8712
** Affects: nova
Importance: Undecided
Status: In Progress
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https://bugs.launchpad.net/bugs/2077228
Title:
libvirt reports powerd down CPUs as being on socket 0 regardless of
their real socket
Status in OpenStack Compute (nova):
In Progress
Bug description:
This is more of a libvirt (or maybe even lower down in the kernel)
bug, but the consequence of $topic's reporting is that if libvirt CPU
power management is enabled, we mess up our NUMA accounting because we
have the wrong socket for some/all of our dedicated CPUs, depending on
whether they were online or not when we called get_capabilities().
Initially found by internal Red Hat testing, and reported here:
https://issues.redhat.com/browse/OSPRH-8712
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/2077228/+subscriptions
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