[pve-devel] QEMU 6.0 is out =)

Thomas Lamprecht t.lamprecht at proxmox.com
Sat May 1 11:17:14 CEST 2021


On 30.04.21 18:40, Victor Hooi wrote:
> QEMU 6.0 just got announced:
> https://www.qemu.org/2021/04/30/qemu-6-0-0/
> https://wiki.qemu.org/ChangeLog/6.0
> There's some nifty new NVMe 1.4 support/emulation features, a new VNC
> resize features (with virtio-vga) and some improvement to QMP backup speed.

NVMe needs to get first included in PVE anyway, not hard but it isn't yet
hot-pluggable nor migratable, so not really ready for us (we're working with
upstream on that).

QMP backup speed gets faster on "to fast" HW, so those user who put in the
slowest spinner they can get hands one should not hold their breadth that
it will get fast now, the law of basic physic limitation still holds up :-)

The VNC resize thing could be nice indeed, still need to evaluate that one.

> And there's also some AMD encryption features (we run on the AMD EPYC CPUs).

In general interesting yeah, especially for setups with VMs from different
users - it has some overhead though, but we planned to evaluate this since
a bit, some other building blocks got included in earlier kernel/QEMU releases

> I'd love to test some of these - any idea how long before these might hit
> the testing repos?

Note, guestimation ahead. I'd say it will be more than a few weeks and it
with 6.4 out which freshly includes 5.2 (which took quite a bit of work to
get stable for PVE), and extrapolating from past releases, I'd say this won't
be in any 6.x releases from us, and PVE 7.0 is ready when it's ready :-)


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