Public bug reported:
[Impact]
The host capabilities for arm64 NUMA systems are incomplete - one effect of
which is that nova is unable to make use of hugetlbfs for backing VMs with huge
pages.
[Test Case]
Examine the output of 'virsh capabilities' on an arm64 NUMA system. The
topology section for all but the first node are currently inaccurate and lacks
page size entries. Sample output from a 2-node NUMA system is attached, both
pre and post fix.
[Regression Risk]
Risk is minimized by the fact that this change is just enabling the same code
for arm64 that is already enabled for the other NUMA-enabled Ubuntu
architectures.
** Affects: libvirt (Ubuntu)
Importance: High
Assignee: dann frazier (dannf)
Status: Confirmed
** Affects: libvirt (Ubuntu Xenial)
Importance: High
Assignee: dann frazier (dannf)
Status: Confirmed
** Affects: libvirt (Debian)
Importance: Unknown
Status: Unknown
** Bug watch added: Debian Bug tracker #838494
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838494
** Also affects: libvirt (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838494
Importance: Unknown
Status: Unknown
** Also affects: libvirt (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: libvirt (Ubuntu Xenial)
Status: New => Confirmed
** Changed in: libvirt (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: libvirt (Ubuntu Xenial)
Assignee: (unassigned) => dann frazier (dannf)
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https://bugs.launchpad.net/bugs/1627926
Title:
Enable NUMA support in arm64 builds
Status in libvirt package in Ubuntu:
Confirmed
Status in libvirt source package in Xenial:
Confirmed
Status in libvirt package in Debian:
Unknown
Bug description:
[Impact]
The host capabilities for arm64 NUMA systems are incomplete - one effect of
which is that nova is unable to make use of hugetlbfs for backing VMs with huge
pages.
[Test Case]
Examine the output of 'virsh capabilities' on an arm64 NUMA system. The
topology section for all but the first node are currently inaccurate and lacks
page size entries. Sample output from a 2-node NUMA system is attached, both
pre and post fix.
[Regression Risk]
Risk is minimized by the fact that this change is just enabling the same code
for arm64 that is already enabled for the other NUMA-enabled Ubuntu
architectures.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1627926/+subscriptions
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