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Bug 1112820

Summary:	Failed to run numatune with specified node
Product:	Red Hat Enterprise Linux 6	Reporter:	Jan Kurik <jkurik>
Component:	libvirt	Assignee:	Ján Tomko <jtomko>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	high	Docs Contact:
Priority:	high
Version:	6.4	CC:	acathrow, cwei, dyuan, gsun, honzhang, jiahu, jmiao, jsvarova, jtomko, lsu, mtessun, mzhan, pm-eus, tdosek
Target Milestone:	rc	Keywords:	Upstream, ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	libvirt-0.10.2-29.el6_5.10	Doc Type:	Bug Fix
Doc Text:	Prior to this update, the libvirt library was trying to pin the domain's parent thread to another CPU even if its vCPU threads were not allowed to run on that CPU. As a consequence, the pinning process failed. To fix this bug, the child threads repin to the old and new CPUs first before only pinning them to the new ones. As a result, pinning now works even if the new CPU list is not a subset of the old CPUs.	Story Points:	---
Clone Of:	857312	Environment:
Last Closed:	2014-08-04 08:14:05 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	857312
Bug Blocks:

Description Jan Kurik 2014-06-24 18:12:01 UTC

This bug has been copied from bug #857312 and has been proposed
to be backported to 6.5 z-stream (EUS).

Comment 5 Jincheng Miao 2014-07-04 08:35:43 UTC

This bug is fix in latest libvirt-0.10.2-29.el6_5.10:

# virsh start a
Domain a started

# virsh numatune a
numa_mode      : strict
numa_nodeset   : 1

# virsh numatune a --nodeset 0

# virsh numatune a
numa_mode      : strict
numa_nodeset   : 0

# virsh start a

# virsh numatune a --live
numa_mode      : strict
numa_nodeset   : 0

here umount the cgroup cpuset, check the error msg:
# umount /cgroup/cpuset/

# virsh numatune a --nodeset 0 --live
error: Unable to change numa parameters
error: unable to get numa nodeset: No such file or directory

So I change the status to VERIFIED.

Comment 8 errata-xmlrpc 2014-08-04 08:14:05 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-0911.html