[Libvirt-announce] Entering freeze for libvirt-5.3.0
by Daniel Veillard
One day late but RC1 is tagged in git, and I pushed the signed tarball and
rpms to the new usual place, it's the same dir, same content, just though https
https://libvirt.org/sources/
Looks fine in my minimal testing, but give it a try especially on diverse
system and architecture.
The fact that https://ci.centos.org/view/libvirt/ is all green except
for one edge case is also a good indication.
So assuming everything goes as planned, I think RC2 should be cut on Tuesday
and we can plan for a May 2nd final release is everything goes well.
Give it a good testing,
thanks !
Daniel
--
Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/
veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
http://veillard.com/ | virtualization library http://libvirt.org/
5 years
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[Libvirt-announce] Release of libvirt-5.2.0
by Daniel Veillard
It's out, a bit late but the signed tarball and rpms are at the usual place
and it's tagged in git:
ftp://libvirt.org/libvirt/
I also pushed the python bindings, with only a single patch since 5.1.0 at:
ftp://libvirt.org/libvirt/python/
Note that it's a release with rather large changes, new features and
removal of some deprecated init scripts, and as usual a large amount
of improvement and bug fixes:
New features:
- Add Storage Pool Capabilities output
Add support to list an enumerated list of supported Storage Pools via
the virConnectGetCapabilities API when connected via a Storage Driver.
Add support to get a more detailed list XML output Storage Pool
Capabilities vis the virConnectGetStoragePoolCapabilites API.
- qemu: Support virtio-{non-}transitional device models
virtio-transitional and virtio-non-transitional model values were added
to the QEMU driver for the following devices: disk, interface,
filesystem, rng, vsock, memballoon, controller type scsi, controller
type virtio-serial, input bus virtio type passthrough, hostdev type
scsi_host. These new models can be used to give fine grained control
over what virtio device version is presented to the guest.
- qemu: Enable firmware autoselection
Libvirt allows users to provide loader path for some time now. However,
this puts some burden on users because they need to know what firmware
meets their requirements. Now that QEMU ships firmware description
files this burden can be moved onto libvirt. It is as easy as setting
the firmware attribute in the os element (accepted values are bios and
efi). Moreover, libvirt automatically enables domain features needed
for firmware it chooses.
- snapshots: Add support for topological listings
A new flag VIR_DOMAIN_SNAPSHOT_LIST_TOPOLOGICAL is available for the
various snapshot listing APIs such as virDomainListAllSnapshots(). For
drivers that support the flag, the listed snapshots are guaranteed to
be sorted such that parents occur before children.
- Xen: Add support for max grant frames setting
Add support for Xen's max_grant_frames setting by adding a new xenbus
controller type with a maxGrantFrames attribute. E.g. <controller
type='xenbus' maxGrantFrames='64'/>
- qemu: Add support for parallel migration
With QEMU 4.0.0 libvirt can enable parallel migration which causes the
memory pages to be processed in parallel by several threads and sent to
the destination host using several connections at the same time. This
may increase migration speed in case a single thread is unable to
saturate the network link.
Removed features:
- Drop support for Upstart and "Red Hat" init scripts
Not a single one of the platforms we target still uses Upstart, and the
Upstart project itself has been abandoned for several years now; the
same is true for the "Red Hat" (really System V) init scripts, since
RHEL 7 and later releases use systemd.
Improvements:
- Report class information for PCI node device capability.
- Split setup of IPv4 and IPv6 top level chain
The requirement resulting from private chains improvement done in
v5.1.0 was refined so that only tables from corresponding IP version
are required. This means that if a network doesn't have IPv6 enabled
then those tables are not required.
- Don't default to building the QEMU driver
Historically, the QEMU driver has been special in that it was enabled
by default, with the option to explicitly opt-out of it; starting now,
we're enabling it opportunistically if we detect that all requirements
are available, just like we do with other drivers.
Bug fixes:
- virt-host-validate: Fix IOMMU check on s390x
- qemu: Allow creating pSeries guests with graphics and no USB mouse
It's now possible to prevent libvirt from automatically adding a USB
mouse to pSeries guests by including a USB tablet in the input XML:
doing so is desiderable as using a tablet results in a much better user
experience when working with GUIs.
- qemu: Set $HOME and XGD variables for qemu:///system guests
This avoids files being accidentally created under / or the guests not
being able to start because they lack the necessary permissions to
write to that location.
Thanks everybody for your contributions for this release, be it
with bug reports, patches, reviews, documentation, etc...
Enjoy the release !
Daniel
--
Daniel Veillard | Red Hat Developers Tools http://developer.redhat.com/
veillard(a)redhat.com | libxml Gnome XML XSLT toolkit http://xmlsoft.org/
http://veillard.com/ | virtualization library http://libvirt.org/
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