[CentOS-virt] Difference between qemu-kvm-ev and qemu-kvm-ma?

Fri May 11 16:06:07 UTC 2018
Lance Albertson <lance at osuosl.org>

On Fri, May 11, 2018 at 2:19 AM, Sandro Bonazzola <sbonazzo at redhat.com>

> 2018-05-10 21:57 GMT+02:00 Lance Albertson <lance at osuosl.org>:
>> I see with the introduction of CentOS 7.5 there's a new qemu-kvm-ma
>> package on ppc64le (which is actually newer than qemu-kvm-ev currently).
>> Does anyone know what the difference is between these two packages? We
>> currently use qemu-kvm-ev and we've run into this bug [1] which got me
>> wondering if we should be switching to that package on ppc64le.
> qemu-kvm-ma is the non-x86_64 counterpart for qemu-kvm, so it is present
> in CentOS
> and have some features disabled. Upgrade path is qemu-kvm -> qemu-kvm-ma
> (as we
> provided some packages on non-x86_64 archs) -> qemu-kvm-ev (in case you
> enable CentOS Virt SIG QEMU repo).
> Opposite way is not supported and will probably break.
> Please wait a few days, libguestfs package will be updated fixing the bug
> you've hit around next week.
> Sadly, the new qemu-kvm-ev we prepared for CentOS 7.5 didn't get released (
> https://bugs.centos.org/view.php?id=14764) but the new build is ready.

​Thanks for the clarification. So it looks like I should wait until the new
qemu-kvm-e​v is pushed out since that's what I'm currently using? What's
really the primary difference between qemu-kvm-ev and qemu-kmv-ma on
ppc64le at this point? Also, I'm curious what the "ma" stands for :)


Lance Albertson
Oregon State University | Open Source Lab
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