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Bug 958837

Summary:	libvirt spams audit log with unneeded failures
Product:	Red Hat Enterprise Linux 6	Reporter:	Chris Pelland <cpelland>
Component:	libvirt	Assignee:	Eric Blake <eblake>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	6.4	CC:	acathrow, bili, cpelland, dallan, dyasny, dyuan, eblake, mzhan, pm-eus, rwu, sgrubb, whuang
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	libvirt-0.10.2-18.el6_4.5	Doc Type:	Bug Fix
Doc Text:	Previously, libvirt made control group (cgroup) requests on files that it should not have. With older kernels, such nonsensical cgroup requests were ignored; however, newer kernels are stricter, resulting in libvirt logging spurious warnings and failures to the libvirtd and audit logs. The audit log failures displayed by the ausearch tool were similar to the following: root [date] - failed cgroup allow path rw /dev/kqemu With this update, libvirt no longer attempts the nonsensical cgroup actions, leaving only valid attempts in the libvirtd and audit logs (making it easier to search for real cases of failure).	Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-05-16 14:34:35 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:	922153
Bug Blocks:

Description Chris Pelland 2013-05-02 13:54:24 UTC

This bug has been copied from bug #922153 and has been proposed
to be backported to 6.4 z-stream (EUS).

Comment 4 Eric Blake 2013-05-02 15:37:25 UTC

On POST:
http://post-office.corp.redhat.com/archives/rhvirt-patches/2013-May/msg00027.html

Comment 6 Huang Wenlong 2013-05-06 03:19:43 UTC

Verify this bug with 
libvirt-0.10.2-18.el6_4.5.x86_64

setps as 
https://bugzilla.redhat.com/show_bug.cgi?id=922153#c3


no failed with kqemu 
#auvirt --start today --all-events|grep failed |grep kqemu

no warning about cgroup 
#cat /var/log/libvirt/libvirtd.log |grep controller

Comment 8 errata-xmlrpc 2013-05-16 14:34:35 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/RHSA-2013-0831.html