Bug 1123271

Summary:	Enable ioenventfd for virtio-scsi-pci
Product:	Red Hat Enterprise Linux 6	Reporter:	Jan Kurik <jkurik>
Component:	qemu-kvm	Assignee:	Fam Zheng <famz>
Status:	CLOSED ERRATA	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	6.6	CC:	acathrow, areis, bsarathy, chayang, famz, jen, juzhang, lsoft-mso-pj, michen, mkenneth, moshiro, mrezanin, pbonzini, pm-eus, qzhang, sluo, srao, virt-bugs, virt-maint, xigao, yoguma
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	qemu-kvm-0.12.1.2-2.415.el6_5.14	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:	1106420	Environment:
Last Closed:	2014-08-19 09:13:04 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:	1106420
Bug Blocks:

Description Jan Kurik 2014-07-25 08:13:11 UTC

This bug has been copied from bug #1106420 and has been proposed
to be backported to 6.5 z-stream (EUS).

Comment 10 Jeff Nelson 2014-08-04 20:21:45 UTC

Fix included in qemu-kvm-0.12.1.2-2.415.el6_5.13

Comment 12 Jeff Nelson 2014-08-05 16:33:29 UTC

Fix NOT included in qemu-kvm-0.12.1.2-2.415.el6_5.13 due to broken build.
Clearing "Fixed in Version" field and changing BZ status to POST.

Comment 13 Jeff Nelson 2014-08-06 16:40:40 UTC

Fix included in qemu-kvm-0.12.1.2-2.415.el6_5.14

Comment 26 Fam Zheng 2014-08-14 09:40:15 UTC

Yes. ioeventfd should have more effects on high speed IO. The BW/CPU degradation has a separate bug (1121034) so I think this bug can be verified.

Thanks,
Fam

Comment 27 Qunfang Zhang 2014-08-14 09:53:24 UTC

(In reply to Fam Zheng from comment #26)
> Yes. ioeventfd should have more effects on high speed IO. The BW/CPU
> degradation has a separate bug (1121034) so I think this bug can be verified.
> 
> Thanks,
> Fam

Thanks for the feedback. We will combine the virtio scsi function test later.

Comment 30 Fam Zheng 2014-08-18 00:37:56 UTC

*** Bug 916418 has been marked as a duplicate of this bug. ***

Comment 32 errata-xmlrpc 2014-08-19 09:13:04 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-2014-1075.html