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

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

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.

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

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

(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.

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

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