[Group.of.nepali.translators] [Bug 1568086] Re: PPC64/hugepages is not supported by nova/libvirt driver.

[Launchpad Bug Tracker]

This bug was fixed in the package nova - 2:13.1.2-0ubuntu2

---
nova (2:13.1.2-0ubuntu2) xenial; urgency=medium

  [ dann frazier ]
  * d/p/libvirt-add-hugepages-support-for-Power.patch (LP: #1568086).
  * d/p/libvirt-add-hugepages-support-for-arm64.patch (LP: #1623871).

 -- Corey Bryant   Tue, 18 Oct 2016 13:56:15
-0400

** Changed in: nova (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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Title:
  PPC64/hugepages is not supported by nova/libvirt driver.

Status in nova package in Ubuntu:
  Fix Released
Status in nova source package in Xenial:
  Fix Released

Bug description:
  [Impact]
  Nova does not recognize PPC64LE as an architecture that supports 
hugepaged-backed VMs.

  [Test Case]
  Steps to reproduce:
  On an openstack environment running on PPC64LE:
  1. Configure compute nodes to use hugepages, e.g.:
 echo 1024 | sudo tee 
/sys/kernel/mm/hugepages/hugepages-65536kB/nr_hugepages
  2. Set mem_page_size="65536" for a flavor
  3. Launch a VM using the above flavor.

  Expected result:
  VM should be launched with hugepages and the libvirt xml should have



  



  Actual result:
  VM is launched without hugepages.

  There are no error logs in nova-scheduler.

  [Regression Risk]
  Risk is minimized by the fact that this change is just enabling the same code 
for ppc64el that is already enabled for Ubuntu/x86.

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[Group.of.nepali.translators] [Bug 1568086] Re: PPC64/hugepages is not supported by nova/libvirt driver.

[dann frazier]

** Also affects: nova (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Changed in: nova (Ubuntu Xenial)
   Status: New => Triaged

** Changed in: nova (Ubuntu)
   Status: Triaged => Fix Released

** Changed in: nova (Ubuntu Xenial)
   Importance: Undecided => Medium

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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1568086

Title:
  PPC64/hugepages is not supported by nova/libvirt driver.

Status in nova package in Ubuntu:
  Fix Released
Status in nova source package in Xenial:
  Triaged

Bug description:
  Currently nova on ppc64el does not enable huge pages and we would like
  to do so.

  I sent a patch to enable it upstream and I am waiting on reviews:

  https://review.openstack.org/#/c/303564/

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